diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/ieee1394/Kconfig | 26 | ||||
-rw-r--r-- | drivers/ieee1394/Makefile | 5 | ||||
-rw-r--r-- | drivers/ieee1394/csr.c | 8 | ||||
-rw-r--r-- | drivers/ieee1394/dv1394.c | 24 | ||||
-rw-r--r-- | drivers/ieee1394/eth1394.c | 4 | ||||
-rw-r--r-- | drivers/ieee1394/highlevel.h | 1 | ||||
-rw-r--r-- | drivers/ieee1394/hosts.c | 41 | ||||
-rw-r--r-- | drivers/ieee1394/ieee1394_core.c | 4 | ||||
-rw-r--r-- | drivers/ieee1394/nodemgr.c | 465 | ||||
-rw-r--r-- | drivers/ieee1394/nodemgr.h | 7 | ||||
-rw-r--r-- | drivers/ieee1394/ohci1394.c | 140 | ||||
-rw-r--r-- | drivers/ieee1394/pcilynx.c | 3 | ||||
-rw-r--r-- | drivers/ieee1394/raw1394-private.h | 10 | ||||
-rw-r--r-- | drivers/ieee1394/raw1394.c | 23 | ||||
-rw-r--r-- | drivers/ieee1394/sbp2.c | 2190 | ||||
-rw-r--r-- | drivers/ieee1394/sbp2.h | 311 | ||||
-rw-r--r-- | drivers/ieee1394/video1394.c | 54 |
17 files changed, 1411 insertions, 1905 deletions
diff --git a/drivers/ieee1394/Kconfig b/drivers/ieee1394/Kconfig index 672b92ef9f21..e7d56573fe56 100644 --- a/drivers/ieee1394/Kconfig +++ b/drivers/ieee1394/Kconfig | |||
@@ -36,7 +36,7 @@ config IEEE1394_VERBOSEDEBUG | |||
36 | else says N. | 36 | else says N. |
37 | 37 | ||
38 | config IEEE1394_OUI_DB | 38 | config IEEE1394_OUI_DB |
39 | bool "OUI Database built-in" | 39 | bool "OUI Database built-in (deprecated)" |
40 | depends on IEEE1394 | 40 | depends on IEEE1394 |
41 | help | 41 | help |
42 | If you say Y here, then an OUI list (vendor unique ID's) will be | 42 | If you say Y here, then an OUI list (vendor unique ID's) will be |
@@ -67,16 +67,11 @@ config IEEE1394_CONFIG_ROM_IP1394 | |||
67 | eth1394 option below. | 67 | eth1394 option below. |
68 | 68 | ||
69 | config IEEE1394_EXPORT_FULL_API | 69 | config IEEE1394_EXPORT_FULL_API |
70 | bool "Export all symbols of ieee1394's API" | 70 | bool "Export all symbols of ieee1394's API (deprecated)" |
71 | depends on IEEE1394 | 71 | depends on IEEE1394 |
72 | default n | 72 | default n |
73 | help | 73 | help |
74 | Export all symbols of ieee1394's driver programming interface, even | 74 | This option will be removed soon. Don't worry, say N. |
75 | those that are not currently used by the standard IEEE 1394 drivers. | ||
76 | |||
77 | This option does not affect the interface to userspace applications. | ||
78 | Say Y here if you want to compile externally developed drivers that | ||
79 | make extended use of ieee1394's API. It is otherwise safe to say N. | ||
80 | 75 | ||
81 | comment "Device Drivers" | 76 | comment "Device Drivers" |
82 | depends on IEEE1394 | 77 | depends on IEEE1394 |
@@ -125,7 +120,7 @@ comment "SBP-2 support (for storage devices) requires SCSI" | |||
125 | 120 | ||
126 | config IEEE1394_SBP2 | 121 | config IEEE1394_SBP2 |
127 | tristate "SBP-2 support (Harddisks etc.)" | 122 | tristate "SBP-2 support (Harddisks etc.)" |
128 | depends on IEEE1394 && SCSI && (PCI || BROKEN) | 123 | depends on IEEE1394 && SCSI |
129 | help | 124 | help |
130 | This option enables you to use SBP-2 devices connected to an IEEE | 125 | This option enables you to use SBP-2 devices connected to an IEEE |
131 | 1394 bus. SBP-2 devices include storage devices like harddisks and | 126 | 1394 bus. SBP-2 devices include storage devices like harddisks and |
@@ -161,17 +156,12 @@ config IEEE1394_ETH1394 | |||
161 | MCAP, therefore multicast support is significantly limited. | 156 | MCAP, therefore multicast support is significantly limited. |
162 | 157 | ||
163 | config IEEE1394_DV1394 | 158 | config IEEE1394_DV1394 |
164 | tristate "OHCI-DV I/O support" | 159 | tristate "OHCI-DV I/O support (deprecated)" |
165 | depends on IEEE1394 && IEEE1394_OHCI1394 | 160 | depends on IEEE1394 && IEEE1394_OHCI1394 |
166 | help | 161 | help |
167 | This driver allows you to transmit and receive DV (digital video) | 162 | The dv1394 driver will be removed from Linux in a future release. |
168 | streams on an OHCI-1394 card using a simple frame-oriented | 163 | Its functionality is now provided by raw1394 together with libraries |
169 | interface. | 164 | such as libiec61883. |
170 | |||
171 | The user-space API for dv1394 is documented in dv1394.h. | ||
172 | |||
173 | To compile this driver as a module, say M here: the | ||
174 | module will be called dv1394. | ||
175 | 165 | ||
176 | config IEEE1394_RAWIO | 166 | config IEEE1394_RAWIO |
177 | tristate "Raw IEEE1394 I/O support" | 167 | tristate "Raw IEEE1394 I/O support" |
diff --git a/drivers/ieee1394/Makefile b/drivers/ieee1394/Makefile index 6f53611fe255..d9650d3d77a0 100644 --- a/drivers/ieee1394/Makefile +++ b/drivers/ieee1394/Makefile | |||
@@ -3,8 +3,11 @@ | |||
3 | # | 3 | # |
4 | 4 | ||
5 | ieee1394-objs := ieee1394_core.o ieee1394_transactions.o hosts.o \ | 5 | ieee1394-objs := ieee1394_core.o ieee1394_transactions.o hosts.o \ |
6 | highlevel.o csr.o nodemgr.o oui.o dma.o iso.o \ | 6 | highlevel.o csr.o nodemgr.o dma.o iso.o \ |
7 | csr1212.o config_roms.o | 7 | csr1212.o config_roms.o |
8 | ifdef CONFIG_IEEE1394_OUI_DB | ||
9 | ieee1394-objs += oui.o | ||
10 | endif | ||
8 | 11 | ||
9 | obj-$(CONFIG_IEEE1394) += ieee1394.o | 12 | obj-$(CONFIG_IEEE1394) += ieee1394.o |
10 | obj-$(CONFIG_IEEE1394_PCILYNX) += pcilynx.o | 13 | obj-$(CONFIG_IEEE1394_PCILYNX) += pcilynx.o |
diff --git a/drivers/ieee1394/csr.c b/drivers/ieee1394/csr.c index ab0c80f61b9d..52ac83e0ebee 100644 --- a/drivers/ieee1394/csr.c +++ b/drivers/ieee1394/csr.c | |||
@@ -158,12 +158,10 @@ static void host_reset(struct hpsb_host *host) | |||
158 | */ | 158 | */ |
159 | static inline void calculate_expire(struct csr_control *csr) | 159 | static inline void calculate_expire(struct csr_control *csr) |
160 | { | 160 | { |
161 | unsigned long usecs = | 161 | unsigned int usecs = (csr->split_timeout_hi & 7) * 1000000 + |
162 | (csr->split_timeout_hi & 0x07) * USEC_PER_SEC + | 162 | (csr->split_timeout_lo >> 19) * 125; |
163 | (csr->split_timeout_lo >> 19) * 125L; | ||
164 | |||
165 | csr->expire = usecs_to_jiffies(usecs > 100000L ? usecs : 100000L); | ||
166 | 163 | ||
164 | csr->expire = usecs_to_jiffies(usecs > 100000 ? usecs : 100000); | ||
167 | HPSB_VERBOSE("CSR: setting expire to %lu, HZ=%u", csr->expire, HZ); | 165 | HPSB_VERBOSE("CSR: setting expire to %lu, HZ=%u", csr->expire, HZ); |
168 | } | 166 | } |
169 | 167 | ||
diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index 6c72f04b2b5d..1084da4d88a9 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c | |||
@@ -1536,27 +1536,20 @@ static ssize_t dv1394_read(struct file *file, char __user *buffer, size_t count | |||
1536 | 1536 | ||
1537 | static long dv1394_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | 1537 | static long dv1394_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
1538 | { | 1538 | { |
1539 | struct video_card *video; | 1539 | struct video_card *video = file_to_video_card(file); |
1540 | unsigned long flags; | 1540 | unsigned long flags; |
1541 | int ret = -EINVAL; | 1541 | int ret = -EINVAL; |
1542 | void __user *argp = (void __user *)arg; | 1542 | void __user *argp = (void __user *)arg; |
1543 | 1543 | ||
1544 | DECLARE_WAITQUEUE(wait, current); | 1544 | DECLARE_WAITQUEUE(wait, current); |
1545 | 1545 | ||
1546 | lock_kernel(); | ||
1547 | video = file_to_video_card(file); | ||
1548 | |||
1549 | /* serialize this to prevent multi-threaded mayhem */ | 1546 | /* serialize this to prevent multi-threaded mayhem */ |
1550 | if (file->f_flags & O_NONBLOCK) { | 1547 | if (file->f_flags & O_NONBLOCK) { |
1551 | if (!mutex_trylock(&video->mtx)) { | 1548 | if (!mutex_trylock(&video->mtx)) |
1552 | unlock_kernel(); | ||
1553 | return -EAGAIN; | 1549 | return -EAGAIN; |
1554 | } | ||
1555 | } else { | 1550 | } else { |
1556 | if (mutex_lock_interruptible(&video->mtx)) { | 1551 | if (mutex_lock_interruptible(&video->mtx)) |
1557 | unlock_kernel(); | ||
1558 | return -ERESTARTSYS; | 1552 | return -ERESTARTSYS; |
1559 | } | ||
1560 | } | 1553 | } |
1561 | 1554 | ||
1562 | switch(cmd) | 1555 | switch(cmd) |
@@ -1780,7 +1773,6 @@ static long dv1394_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |||
1780 | 1773 | ||
1781 | out: | 1774 | out: |
1782 | mutex_unlock(&video->mtx); | 1775 | mutex_unlock(&video->mtx); |
1783 | unlock_kernel(); | ||
1784 | return ret; | 1776 | return ret; |
1785 | } | 1777 | } |
1786 | 1778 | ||
@@ -2188,12 +2180,8 @@ static struct ieee1394_device_id dv1394_id_table[] = { | |||
2188 | MODULE_DEVICE_TABLE(ieee1394, dv1394_id_table); | 2180 | MODULE_DEVICE_TABLE(ieee1394, dv1394_id_table); |
2189 | 2181 | ||
2190 | static struct hpsb_protocol_driver dv1394_driver = { | 2182 | static struct hpsb_protocol_driver dv1394_driver = { |
2191 | .name = "DV/1394 Driver", | 2183 | .name = "dv1394", |
2192 | .id_table = dv1394_id_table, | 2184 | .id_table = dv1394_id_table, |
2193 | .driver = { | ||
2194 | .name = "dv1394", | ||
2195 | .bus = &ieee1394_bus_type, | ||
2196 | }, | ||
2197 | }; | 2185 | }; |
2198 | 2186 | ||
2199 | 2187 | ||
@@ -2587,6 +2575,10 @@ static int __init dv1394_init_module(void) | |||
2587 | { | 2575 | { |
2588 | int ret; | 2576 | int ret; |
2589 | 2577 | ||
2578 | printk(KERN_WARNING | ||
2579 | "WARNING: The dv1394 driver is unsupported and will be removed " | ||
2580 | "from Linux soon. Use raw1394 instead.\n"); | ||
2581 | |||
2590 | cdev_init(&dv1394_cdev, &dv1394_fops); | 2582 | cdev_init(&dv1394_cdev, &dv1394_fops); |
2591 | dv1394_cdev.owner = THIS_MODULE; | 2583 | dv1394_cdev.owner = THIS_MODULE; |
2592 | kobject_set_name(&dv1394_cdev.kobj, "dv1394"); | 2584 | kobject_set_name(&dv1394_cdev.kobj, "dv1394"); |
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index 27d6c642415d..97e5c3dd044d 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c | |||
@@ -474,12 +474,10 @@ static struct ieee1394_device_id eth1394_id_table[] = { | |||
474 | MODULE_DEVICE_TABLE(ieee1394, eth1394_id_table); | 474 | MODULE_DEVICE_TABLE(ieee1394, eth1394_id_table); |
475 | 475 | ||
476 | static struct hpsb_protocol_driver eth1394_proto_driver = { | 476 | static struct hpsb_protocol_driver eth1394_proto_driver = { |
477 | .name = "IPv4 over 1394 Driver", | 477 | .name = ETH1394_DRIVER_NAME, |
478 | .id_table = eth1394_id_table, | 478 | .id_table = eth1394_id_table, |
479 | .update = eth1394_update, | 479 | .update = eth1394_update, |
480 | .driver = { | 480 | .driver = { |
481 | .name = ETH1394_DRIVER_NAME, | ||
482 | .bus = &ieee1394_bus_type, | ||
483 | .probe = eth1394_probe, | 481 | .probe = eth1394_probe, |
484 | .remove = eth1394_remove, | 482 | .remove = eth1394_remove, |
485 | }, | 483 | }, |
diff --git a/drivers/ieee1394/highlevel.h b/drivers/ieee1394/highlevel.h index 50f2dd2c7e20..4b330117067a 100644 --- a/drivers/ieee1394/highlevel.h +++ b/drivers/ieee1394/highlevel.h | |||
@@ -24,7 +24,6 @@ struct hpsb_address_serve { | |||
24 | /* Only the following structures are of interest to actual highlevel drivers. */ | 24 | /* Only the following structures are of interest to actual highlevel drivers. */ |
25 | 25 | ||
26 | struct hpsb_highlevel { | 26 | struct hpsb_highlevel { |
27 | struct module *owner; | ||
28 | const char *name; | 27 | const char *name; |
29 | 28 | ||
30 | /* Any of the following pointers can legally be NULL, except for | 29 | /* Any of the following pointers can legally be NULL, except for |
diff --git a/drivers/ieee1394/hosts.c b/drivers/ieee1394/hosts.c index b935e08695a9..ee82a5320bf7 100644 --- a/drivers/ieee1394/hosts.c +++ b/drivers/ieee1394/hosts.c | |||
@@ -44,9 +44,10 @@ static void delayed_reset_bus(struct work_struct *work) | |||
44 | 44 | ||
45 | CSR_SET_BUS_INFO_GENERATION(host->csr.rom, generation); | 45 | CSR_SET_BUS_INFO_GENERATION(host->csr.rom, generation); |
46 | if (csr1212_generate_csr_image(host->csr.rom) != CSR1212_SUCCESS) { | 46 | if (csr1212_generate_csr_image(host->csr.rom) != CSR1212_SUCCESS) { |
47 | /* CSR image creation failed, reset generation field and do not | 47 | /* CSR image creation failed. |
48 | * issue a bus reset. */ | 48 | * Reset generation field and do not issue a bus reset. */ |
49 | CSR_SET_BUS_INFO_GENERATION(host->csr.rom, host->csr.generation); | 49 | CSR_SET_BUS_INFO_GENERATION(host->csr.rom, |
50 | host->csr.generation); | ||
50 | return; | 51 | return; |
51 | } | 52 | } |
52 | 53 | ||
@@ -54,7 +55,8 @@ static void delayed_reset_bus(struct work_struct *work) | |||
54 | 55 | ||
55 | host->update_config_rom = 0; | 56 | host->update_config_rom = 0; |
56 | if (host->driver->set_hw_config_rom) | 57 | if (host->driver->set_hw_config_rom) |
57 | host->driver->set_hw_config_rom(host, host->csr.rom->bus_info_data); | 58 | host->driver->set_hw_config_rom(host, |
59 | host->csr.rom->bus_info_data); | ||
58 | 60 | ||
59 | host->csr.gen_timestamp[host->csr.generation] = jiffies; | 61 | host->csr.gen_timestamp[host->csr.generation] = jiffies; |
60 | hpsb_reset_bus(host, SHORT_RESET); | 62 | hpsb_reset_bus(host, SHORT_RESET); |
@@ -70,7 +72,8 @@ static int dummy_devctl(struct hpsb_host *h, enum devctl_cmd c, int arg) | |||
70 | return -1; | 72 | return -1; |
71 | } | 73 | } |
72 | 74 | ||
73 | static int dummy_isoctl(struct hpsb_iso *iso, enum isoctl_cmd command, unsigned long arg) | 75 | static int dummy_isoctl(struct hpsb_iso *iso, enum isoctl_cmd command, |
76 | unsigned long arg) | ||
74 | { | 77 | { |
75 | return -1; | 78 | return -1; |
76 | } | 79 | } |
@@ -128,10 +131,8 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, | |||
128 | return NULL; | 131 | return NULL; |
129 | 132 | ||
130 | h->csr.rom = csr1212_create_csr(&csr_bus_ops, CSR_BUS_INFO_SIZE, h); | 133 | h->csr.rom = csr1212_create_csr(&csr_bus_ops, CSR_BUS_INFO_SIZE, h); |
131 | if (!h->csr.rom) { | 134 | if (!h->csr.rom) |
132 | kfree(h); | 135 | goto fail; |
133 | return NULL; | ||
134 | } | ||
135 | 136 | ||
136 | h->hostdata = h + 1; | 137 | h->hostdata = h + 1; |
137 | h->driver = drv; | 138 | h->driver = drv; |
@@ -151,16 +152,15 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, | |||
151 | init_timer(&h->timeout); | 152 | init_timer(&h->timeout); |
152 | h->timeout.data = (unsigned long) h; | 153 | h->timeout.data = (unsigned long) h; |
153 | h->timeout.function = abort_timedouts; | 154 | h->timeout.function = abort_timedouts; |
154 | h->timeout_interval = HZ / 20; // 50ms by default | 155 | h->timeout_interval = HZ / 20; /* 50ms, half of minimum SPLIT_TIMEOUT */ |
155 | 156 | ||
156 | h->topology_map = h->csr.topology_map + 3; | 157 | h->topology_map = h->csr.topology_map + 3; |
157 | h->speed_map = (u8 *)(h->csr.speed_map + 2); | 158 | h->speed_map = (u8 *)(h->csr.speed_map + 2); |
158 | 159 | ||
159 | mutex_lock(&host_num_alloc); | 160 | mutex_lock(&host_num_alloc); |
160 | |||
161 | while (nodemgr_for_each_host(&hostnum, alloc_hostnum_cb)) | 161 | while (nodemgr_for_each_host(&hostnum, alloc_hostnum_cb)) |
162 | hostnum++; | 162 | hostnum++; |
163 | 163 | mutex_unlock(&host_num_alloc); | |
164 | h->id = hostnum; | 164 | h->id = hostnum; |
165 | 165 | ||
166 | memcpy(&h->device, &nodemgr_dev_template_host, sizeof(h->device)); | 166 | memcpy(&h->device, &nodemgr_dev_template_host, sizeof(h->device)); |
@@ -171,13 +171,19 @@ struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra, | |||
171 | h->class_dev.class = &hpsb_host_class; | 171 | h->class_dev.class = &hpsb_host_class; |
172 | snprintf(h->class_dev.class_id, BUS_ID_SIZE, "fw-host%d", h->id); | 172 | snprintf(h->class_dev.class_id, BUS_ID_SIZE, "fw-host%d", h->id); |
173 | 173 | ||
174 | device_register(&h->device); | 174 | if (device_register(&h->device)) |
175 | class_device_register(&h->class_dev); | 175 | goto fail; |
176 | if (class_device_register(&h->class_dev)) { | ||
177 | device_unregister(&h->device); | ||
178 | goto fail; | ||
179 | } | ||
176 | get_device(&h->device); | 180 | get_device(&h->device); |
177 | 181 | ||
178 | mutex_unlock(&host_num_alloc); | ||
179 | |||
180 | return h; | 182 | return h; |
183 | |||
184 | fail: | ||
185 | kfree(h); | ||
186 | return NULL; | ||
181 | } | 187 | } |
182 | 188 | ||
183 | int hpsb_add_host(struct hpsb_host *host) | 189 | int hpsb_add_host(struct hpsb_host *host) |
@@ -229,7 +235,8 @@ int hpsb_update_config_rom_image(struct hpsb_host *host) | |||
229 | if (time_before(jiffies, host->csr.gen_timestamp[next_gen] + 60 * HZ)) | 235 | if (time_before(jiffies, host->csr.gen_timestamp[next_gen] + 60 * HZ)) |
230 | /* Wait 60 seconds from the last time this generation number was | 236 | /* Wait 60 seconds from the last time this generation number was |
231 | * used. */ | 237 | * used. */ |
232 | reset_delay = (60 * HZ) + host->csr.gen_timestamp[next_gen] - jiffies; | 238 | reset_delay = |
239 | (60 * HZ) + host->csr.gen_timestamp[next_gen] - jiffies; | ||
233 | else | 240 | else |
234 | /* Wait 1 second in case some other code wants to change the | 241 | /* Wait 1 second in case some other code wants to change the |
235 | * Config ROM in the near future. */ | 242 | * Config ROM in the near future. */ |
diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c index 5fccf9f7a1d2..9a48ca20d1fd 100644 --- a/drivers/ieee1394/ieee1394_core.c +++ b/drivers/ieee1394/ieee1394_core.c | |||
@@ -1237,10 +1237,10 @@ EXPORT_SYMBOL(highlevel_remove_host); | |||
1237 | /** nodemgr.c **/ | 1237 | /** nodemgr.c **/ |
1238 | EXPORT_SYMBOL(hpsb_node_fill_packet); | 1238 | EXPORT_SYMBOL(hpsb_node_fill_packet); |
1239 | EXPORT_SYMBOL(hpsb_node_write); | 1239 | EXPORT_SYMBOL(hpsb_node_write); |
1240 | EXPORT_SYMBOL(hpsb_register_protocol); | 1240 | EXPORT_SYMBOL(__hpsb_register_protocol); |
1241 | EXPORT_SYMBOL(hpsb_unregister_protocol); | 1241 | EXPORT_SYMBOL(hpsb_unregister_protocol); |
1242 | EXPORT_SYMBOL(ieee1394_bus_type); | ||
1243 | #ifdef CONFIG_IEEE1394_EXPORT_FULL_API | 1242 | #ifdef CONFIG_IEEE1394_EXPORT_FULL_API |
1243 | EXPORT_SYMBOL(ieee1394_bus_type); | ||
1244 | EXPORT_SYMBOL(nodemgr_for_each_host); | 1244 | EXPORT_SYMBOL(nodemgr_for_each_host); |
1245 | #endif | 1245 | #endif |
1246 | 1246 | ||
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index e829c9336b3c..61307ca296ae 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c | |||
@@ -14,6 +14,7 @@ | |||
14 | #include <linux/slab.h> | 14 | #include <linux/slab.h> |
15 | #include <linux/delay.h> | 15 | #include <linux/delay.h> |
16 | #include <linux/kthread.h> | 16 | #include <linux/kthread.h> |
17 | #include <linux/module.h> | ||
17 | #include <linux/moduleparam.h> | 18 | #include <linux/moduleparam.h> |
18 | #include <linux/freezer.h> | 19 | #include <linux/freezer.h> |
19 | #include <asm/atomic.h> | 20 | #include <asm/atomic.h> |
@@ -67,7 +68,7 @@ static int nodemgr_check_speed(struct nodemgr_csr_info *ci, u64 addr, | |||
67 | { | 68 | { |
68 | quadlet_t q; | 69 | quadlet_t q; |
69 | u8 i, *speed, old_speed, good_speed; | 70 | u8 i, *speed, old_speed, good_speed; |
70 | int ret; | 71 | int error; |
71 | 72 | ||
72 | speed = &(ci->host->speed[NODEID_TO_NODE(ci->nodeid)]); | 73 | speed = &(ci->host->speed[NODEID_TO_NODE(ci->nodeid)]); |
73 | old_speed = *speed; | 74 | old_speed = *speed; |
@@ -79,9 +80,9 @@ static int nodemgr_check_speed(struct nodemgr_csr_info *ci, u64 addr, | |||
79 | * just finished its initialization. */ | 80 | * just finished its initialization. */ |
80 | for (i = IEEE1394_SPEED_100; i <= old_speed; i++) { | 81 | for (i = IEEE1394_SPEED_100; i <= old_speed; i++) { |
81 | *speed = i; | 82 | *speed = i; |
82 | ret = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, | 83 | error = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, |
83 | &q, sizeof(quadlet_t)); | 84 | &q, sizeof(quadlet_t)); |
84 | if (ret) | 85 | if (error) |
85 | break; | 86 | break; |
86 | *buffer = q; | 87 | *buffer = q; |
87 | good_speed = i; | 88 | good_speed = i; |
@@ -95,19 +96,19 @@ static int nodemgr_check_speed(struct nodemgr_csr_info *ci, u64 addr, | |||
95 | return 0; | 96 | return 0; |
96 | } | 97 | } |
97 | *speed = old_speed; | 98 | *speed = old_speed; |
98 | return ret; | 99 | return error; |
99 | } | 100 | } |
100 | 101 | ||
101 | static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length, | 102 | static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length, |
102 | void *buffer, void *__ci) | 103 | void *buffer, void *__ci) |
103 | { | 104 | { |
104 | struct nodemgr_csr_info *ci = (struct nodemgr_csr_info*)__ci; | 105 | struct nodemgr_csr_info *ci = (struct nodemgr_csr_info*)__ci; |
105 | int i, ret; | 106 | int i, error; |
106 | 107 | ||
107 | for (i = 1; ; i++) { | 108 | for (i = 1; ; i++) { |
108 | ret = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, | 109 | error = hpsb_read(ci->host, ci->nodeid, ci->generation, addr, |
109 | buffer, length); | 110 | buffer, length); |
110 | if (!ret) { | 111 | if (!error) { |
111 | ci->speed_unverified = 0; | 112 | ci->speed_unverified = 0; |
112 | break; | 113 | break; |
113 | } | 114 | } |
@@ -118,14 +119,14 @@ static int nodemgr_bus_read(struct csr1212_csr *csr, u64 addr, u16 length, | |||
118 | /* The ieee1394_core guessed the node's speed capability from | 119 | /* The ieee1394_core guessed the node's speed capability from |
119 | * the self ID. Check whether a lower speed works. */ | 120 | * the self ID. Check whether a lower speed works. */ |
120 | if (ci->speed_unverified && length == sizeof(quadlet_t)) { | 121 | if (ci->speed_unverified && length == sizeof(quadlet_t)) { |
121 | ret = nodemgr_check_speed(ci, addr, buffer); | 122 | error = nodemgr_check_speed(ci, addr, buffer); |
122 | if (!ret) | 123 | if (!error) |
123 | break; | 124 | break; |
124 | } | 125 | } |
125 | if (msleep_interruptible(334)) | 126 | if (msleep_interruptible(334)) |
126 | return -EINTR; | 127 | return -EINTR; |
127 | } | 128 | } |
128 | return ret; | 129 | return error; |
129 | } | 130 | } |
130 | 131 | ||
131 | static int nodemgr_get_max_rom(quadlet_t *bus_info_data, void *__ci) | 132 | static int nodemgr_get_max_rom(quadlet_t *bus_info_data, void *__ci) |
@@ -260,9 +261,20 @@ static struct device nodemgr_dev_template_ne = { | |||
260 | .release = nodemgr_release_ne, | 261 | .release = nodemgr_release_ne, |
261 | }; | 262 | }; |
262 | 263 | ||
264 | /* This dummy driver prevents the host devices from being scanned. We have no | ||
265 | * useful drivers for them yet, and there would be a deadlock possible if the | ||
266 | * driver core scans the host device while the host's low-level driver (i.e. | ||
267 | * the host's parent device) is being removed. */ | ||
268 | static struct device_driver nodemgr_mid_layer_driver = { | ||
269 | .bus = &ieee1394_bus_type, | ||
270 | .name = "nodemgr", | ||
271 | .owner = THIS_MODULE, | ||
272 | }; | ||
273 | |||
263 | struct device nodemgr_dev_template_host = { | 274 | struct device nodemgr_dev_template_host = { |
264 | .bus = &ieee1394_bus_type, | 275 | .bus = &ieee1394_bus_type, |
265 | .release = nodemgr_release_host, | 276 | .release = nodemgr_release_host, |
277 | .driver = &nodemgr_mid_layer_driver, | ||
266 | }; | 278 | }; |
267 | 279 | ||
268 | 280 | ||
@@ -307,8 +319,8 @@ static ssize_t fw_drv_show_##field (struct device_driver *drv, char *buf) \ | |||
307 | return sprintf(buf, format_string, (type)driver->field);\ | 319 | return sprintf(buf, format_string, (type)driver->field);\ |
308 | } \ | 320 | } \ |
309 | static struct driver_attribute driver_attr_drv_##field = { \ | 321 | static struct driver_attribute driver_attr_drv_##field = { \ |
310 | .attr = {.name = __stringify(field), .mode = S_IRUGO }, \ | 322 | .attr = {.name = __stringify(field), .mode = S_IRUGO }, \ |
311 | .show = fw_drv_show_##field, \ | 323 | .show = fw_drv_show_##field, \ |
312 | }; | 324 | }; |
313 | 325 | ||
314 | 326 | ||
@@ -362,7 +374,7 @@ static ssize_t fw_show_ne_tlabels_mask(struct device *dev, | |||
362 | #endif | 374 | #endif |
363 | spin_unlock_irqrestore(&hpsb_tlabel_lock, flags); | 375 | spin_unlock_irqrestore(&hpsb_tlabel_lock, flags); |
364 | 376 | ||
365 | return sprintf(buf, "0x%016llx\n", tm); | 377 | return sprintf(buf, "0x%016llx\n", (unsigned long long)tm); |
366 | } | 378 | } |
367 | static DEVICE_ATTR(tlabels_mask, S_IRUGO, fw_show_ne_tlabels_mask, NULL); | 379 | static DEVICE_ATTR(tlabels_mask, S_IRUGO, fw_show_ne_tlabels_mask, NULL); |
368 | #endif /* HPSB_DEBUG_TLABELS */ | 380 | #endif /* HPSB_DEBUG_TLABELS */ |
@@ -374,11 +386,11 @@ static ssize_t fw_set_ignore_driver(struct device *dev, struct device_attribute | |||
374 | int state = simple_strtoul(buf, NULL, 10); | 386 | int state = simple_strtoul(buf, NULL, 10); |
375 | 387 | ||
376 | if (state == 1) { | 388 | if (state == 1) { |
377 | down_write(&dev->bus->subsys.rwsem); | ||
378 | device_release_driver(dev); | ||
379 | ud->ignore_driver = 1; | 389 | ud->ignore_driver = 1; |
380 | up_write(&dev->bus->subsys.rwsem); | 390 | down_write(&ieee1394_bus_type.subsys.rwsem); |
381 | } else if (!state) | 391 | device_release_driver(dev); |
392 | up_write(&ieee1394_bus_type.subsys.rwsem); | ||
393 | } else if (state == 0) | ||
382 | ud->ignore_driver = 0; | 394 | ud->ignore_driver = 0; |
383 | 395 | ||
384 | return count; | 396 | return count; |
@@ -413,11 +425,14 @@ static ssize_t fw_get_destroy_node(struct bus_type *bus, char *buf) | |||
413 | static BUS_ATTR(destroy_node, S_IWUSR | S_IRUGO, fw_get_destroy_node, fw_set_destroy_node); | 425 | static BUS_ATTR(destroy_node, S_IWUSR | S_IRUGO, fw_get_destroy_node, fw_set_destroy_node); |
414 | 426 | ||
415 | 427 | ||
416 | static ssize_t fw_set_rescan(struct bus_type *bus, const char *buf, size_t count) | 428 | static ssize_t fw_set_rescan(struct bus_type *bus, const char *buf, |
429 | size_t count) | ||
417 | { | 430 | { |
431 | int error = 0; | ||
432 | |||
418 | if (simple_strtoul(buf, NULL, 10) == 1) | 433 | if (simple_strtoul(buf, NULL, 10) == 1) |
419 | bus_rescan_devices(&ieee1394_bus_type); | 434 | error = bus_rescan_devices(&ieee1394_bus_type); |
420 | return count; | 435 | return error ? error : count; |
421 | } | 436 | } |
422 | static ssize_t fw_get_rescan(struct bus_type *bus, char *buf) | 437 | static ssize_t fw_get_rescan(struct bus_type *bus, char *buf) |
423 | { | 438 | { |
@@ -433,7 +448,7 @@ static ssize_t fw_set_ignore_drivers(struct bus_type *bus, const char *buf, size | |||
433 | 448 | ||
434 | if (state == 1) | 449 | if (state == 1) |
435 | ignore_drivers = 1; | 450 | ignore_drivers = 1; |
436 | else if (!state) | 451 | else if (state == 0) |
437 | ignore_drivers = 0; | 452 | ignore_drivers = 0; |
438 | 453 | ||
439 | return count; | 454 | return count; |
@@ -526,7 +541,7 @@ static ssize_t fw_show_drv_device_ids(struct device_driver *drv, char *buf) | |||
526 | int length = 0; | 541 | int length = 0; |
527 | char *scratch = buf; | 542 | char *scratch = buf; |
528 | 543 | ||
529 | driver = container_of(drv, struct hpsb_protocol_driver, driver); | 544 | driver = container_of(drv, struct hpsb_protocol_driver, driver); |
530 | 545 | ||
531 | for (id = driver->id_table; id->match_flags != 0; id++) { | 546 | for (id = driver->id_table; id->match_flags != 0; id++) { |
532 | int need_coma = 0; | 547 | int need_coma = 0; |
@@ -583,7 +598,11 @@ static void nodemgr_create_drv_files(struct hpsb_protocol_driver *driver) | |||
583 | int i; | 598 | int i; |
584 | 599 | ||
585 | for (i = 0; i < ARRAY_SIZE(fw_drv_attrs); i++) | 600 | for (i = 0; i < ARRAY_SIZE(fw_drv_attrs); i++) |
586 | driver_create_file(drv, fw_drv_attrs[i]); | 601 | if (driver_create_file(drv, fw_drv_attrs[i])) |
602 | goto fail; | ||
603 | return; | ||
604 | fail: | ||
605 | HPSB_ERR("Failed to add sysfs attribute for driver %s", driver->name); | ||
587 | } | 606 | } |
588 | 607 | ||
589 | 608 | ||
@@ -603,7 +622,12 @@ static void nodemgr_create_ne_dev_files(struct node_entry *ne) | |||
603 | int i; | 622 | int i; |
604 | 623 | ||
605 | for (i = 0; i < ARRAY_SIZE(fw_ne_attrs); i++) | 624 | for (i = 0; i < ARRAY_SIZE(fw_ne_attrs); i++) |
606 | device_create_file(dev, fw_ne_attrs[i]); | 625 | if (device_create_file(dev, fw_ne_attrs[i])) |
626 | goto fail; | ||
627 | return; | ||
628 | fail: | ||
629 | HPSB_ERR("Failed to add sysfs attribute for node %016Lx", | ||
630 | (unsigned long long)ne->guid); | ||
607 | } | 631 | } |
608 | 632 | ||
609 | 633 | ||
@@ -613,11 +637,16 @@ static void nodemgr_create_host_dev_files(struct hpsb_host *host) | |||
613 | int i; | 637 | int i; |
614 | 638 | ||
615 | for (i = 0; i < ARRAY_SIZE(fw_host_attrs); i++) | 639 | for (i = 0; i < ARRAY_SIZE(fw_host_attrs); i++) |
616 | device_create_file(dev, fw_host_attrs[i]); | 640 | if (device_create_file(dev, fw_host_attrs[i])) |
641 | goto fail; | ||
642 | return; | ||
643 | fail: | ||
644 | HPSB_ERR("Failed to add sysfs attribute for host %d", host->id); | ||
617 | } | 645 | } |
618 | 646 | ||
619 | 647 | ||
620 | static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, nodeid_t nodeid); | 648 | static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, |
649 | nodeid_t nodeid); | ||
621 | 650 | ||
622 | static void nodemgr_update_host_dev_links(struct hpsb_host *host) | 651 | static void nodemgr_update_host_dev_links(struct hpsb_host *host) |
623 | { | 652 | { |
@@ -628,12 +657,18 @@ static void nodemgr_update_host_dev_links(struct hpsb_host *host) | |||
628 | sysfs_remove_link(&dev->kobj, "busmgr_id"); | 657 | sysfs_remove_link(&dev->kobj, "busmgr_id"); |
629 | sysfs_remove_link(&dev->kobj, "host_id"); | 658 | sysfs_remove_link(&dev->kobj, "host_id"); |
630 | 659 | ||
631 | if ((ne = find_entry_by_nodeid(host, host->irm_id))) | 660 | if ((ne = find_entry_by_nodeid(host, host->irm_id)) && |
632 | sysfs_create_link(&dev->kobj, &ne->device.kobj, "irm_id"); | 661 | sysfs_create_link(&dev->kobj, &ne->device.kobj, "irm_id")) |
633 | if ((ne = find_entry_by_nodeid(host, host->busmgr_id))) | 662 | goto fail; |
634 | sysfs_create_link(&dev->kobj, &ne->device.kobj, "busmgr_id"); | 663 | if ((ne = find_entry_by_nodeid(host, host->busmgr_id)) && |
635 | if ((ne = find_entry_by_nodeid(host, host->node_id))) | 664 | sysfs_create_link(&dev->kobj, &ne->device.kobj, "busmgr_id")) |
636 | sysfs_create_link(&dev->kobj, &ne->device.kobj, "host_id"); | 665 | goto fail; |
666 | if ((ne = find_entry_by_nodeid(host, host->node_id)) && | ||
667 | sysfs_create_link(&dev->kobj, &ne->device.kobj, "host_id")) | ||
668 | goto fail; | ||
669 | return; | ||
670 | fail: | ||
671 | HPSB_ERR("Failed to update sysfs attributes for host %d", host->id); | ||
637 | } | 672 | } |
638 | 673 | ||
639 | static void nodemgr_create_ud_dev_files(struct unit_directory *ud) | 674 | static void nodemgr_create_ud_dev_files(struct unit_directory *ud) |
@@ -642,32 +677,39 @@ static void nodemgr_create_ud_dev_files(struct unit_directory *ud) | |||
642 | int i; | 677 | int i; |
643 | 678 | ||
644 | for (i = 0; i < ARRAY_SIZE(fw_ud_attrs); i++) | 679 | for (i = 0; i < ARRAY_SIZE(fw_ud_attrs); i++) |
645 | device_create_file(dev, fw_ud_attrs[i]); | 680 | if (device_create_file(dev, fw_ud_attrs[i])) |
646 | 681 | goto fail; | |
647 | if (ud->flags & UNIT_DIRECTORY_SPECIFIER_ID) | 682 | if (ud->flags & UNIT_DIRECTORY_SPECIFIER_ID) |
648 | device_create_file(dev, &dev_attr_ud_specifier_id); | 683 | if (device_create_file(dev, &dev_attr_ud_specifier_id)) |
649 | 684 | goto fail; | |
650 | if (ud->flags & UNIT_DIRECTORY_VERSION) | 685 | if (ud->flags & UNIT_DIRECTORY_VERSION) |
651 | device_create_file(dev, &dev_attr_ud_version); | 686 | if (device_create_file(dev, &dev_attr_ud_version)) |
652 | 687 | goto fail; | |
653 | if (ud->flags & UNIT_DIRECTORY_VENDOR_ID) { | 688 | if (ud->flags & UNIT_DIRECTORY_VENDOR_ID) { |
654 | device_create_file(dev, &dev_attr_ud_vendor_id); | 689 | if (device_create_file(dev, &dev_attr_ud_vendor_id)) |
655 | if (ud->vendor_name_kv) | 690 | goto fail; |
656 | device_create_file(dev, &dev_attr_ud_vendor_name_kv); | 691 | if (ud->vendor_name_kv && |
692 | device_create_file(dev, &dev_attr_ud_vendor_name_kv)) | ||
693 | goto fail; | ||
657 | } | 694 | } |
658 | |||
659 | if (ud->flags & UNIT_DIRECTORY_MODEL_ID) { | 695 | if (ud->flags & UNIT_DIRECTORY_MODEL_ID) { |
660 | device_create_file(dev, &dev_attr_ud_model_id); | 696 | if (device_create_file(dev, &dev_attr_ud_model_id)) |
661 | if (ud->model_name_kv) | 697 | goto fail; |
662 | device_create_file(dev, &dev_attr_ud_model_name_kv); | 698 | if (ud->model_name_kv && |
699 | device_create_file(dev, &dev_attr_ud_model_name_kv)) | ||
700 | goto fail; | ||
663 | } | 701 | } |
702 | return; | ||
703 | fail: | ||
704 | HPSB_ERR("Failed to add sysfs attributes for unit %s", | ||
705 | ud->device.bus_id); | ||
664 | } | 706 | } |
665 | 707 | ||
666 | 708 | ||
667 | static int nodemgr_bus_match(struct device * dev, struct device_driver * drv) | 709 | static int nodemgr_bus_match(struct device * dev, struct device_driver * drv) |
668 | { | 710 | { |
669 | struct hpsb_protocol_driver *driver; | 711 | struct hpsb_protocol_driver *driver; |
670 | struct unit_directory *ud; | 712 | struct unit_directory *ud; |
671 | struct ieee1394_device_id *id; | 713 | struct ieee1394_device_id *id; |
672 | 714 | ||
673 | /* We only match unit directories */ | 715 | /* We only match unit directories */ |
@@ -675,55 +717,77 @@ static int nodemgr_bus_match(struct device * dev, struct device_driver * drv) | |||
675 | return 0; | 717 | return 0; |
676 | 718 | ||
677 | ud = container_of(dev, struct unit_directory, device); | 719 | ud = container_of(dev, struct unit_directory, device); |
678 | driver = container_of(drv, struct hpsb_protocol_driver, driver); | ||
679 | |||
680 | if (ud->ne->in_limbo || ud->ignore_driver) | 720 | if (ud->ne->in_limbo || ud->ignore_driver) |
681 | return 0; | 721 | return 0; |
682 | 722 | ||
683 | for (id = driver->id_table; id->match_flags != 0; id++) { | 723 | /* We only match drivers of type hpsb_protocol_driver */ |
684 | if ((id->match_flags & IEEE1394_MATCH_VENDOR_ID) && | 724 | if (drv == &nodemgr_mid_layer_driver) |
685 | id->vendor_id != ud->vendor_id) | 725 | return 0; |
686 | continue; | ||
687 | 726 | ||
688 | if ((id->match_flags & IEEE1394_MATCH_MODEL_ID) && | 727 | driver = container_of(drv, struct hpsb_protocol_driver, driver); |
689 | id->model_id != ud->model_id) | 728 | for (id = driver->id_table; id->match_flags != 0; id++) { |
690 | continue; | 729 | if ((id->match_flags & IEEE1394_MATCH_VENDOR_ID) && |
730 | id->vendor_id != ud->vendor_id) | ||
731 | continue; | ||
691 | 732 | ||
692 | if ((id->match_flags & IEEE1394_MATCH_SPECIFIER_ID) && | 733 | if ((id->match_flags & IEEE1394_MATCH_MODEL_ID) && |
693 | id->specifier_id != ud->specifier_id) | 734 | id->model_id != ud->model_id) |
694 | continue; | 735 | continue; |
695 | 736 | ||
696 | if ((id->match_flags & IEEE1394_MATCH_VERSION) && | 737 | if ((id->match_flags & IEEE1394_MATCH_SPECIFIER_ID) && |
697 | id->version != ud->version) | 738 | id->specifier_id != ud->specifier_id) |
698 | continue; | 739 | continue; |
740 | |||
741 | if ((id->match_flags & IEEE1394_MATCH_VERSION) && | ||
742 | id->version != ud->version) | ||
743 | continue; | ||
699 | 744 | ||
700 | return 1; | 745 | return 1; |
701 | } | 746 | } |
702 | 747 | ||
703 | return 0; | 748 | return 0; |
704 | } | 749 | } |
705 | 750 | ||
706 | 751 | ||
752 | static DEFINE_MUTEX(nodemgr_serialize_remove_uds); | ||
753 | |||
707 | static void nodemgr_remove_uds(struct node_entry *ne) | 754 | static void nodemgr_remove_uds(struct node_entry *ne) |
708 | { | 755 | { |
709 | struct class_device *cdev, *next; | 756 | struct class_device *cdev; |
710 | struct unit_directory *ud; | 757 | struct unit_directory *tmp, *ud; |
711 | 758 | ||
712 | list_for_each_entry_safe(cdev, next, &nodemgr_ud_class.children, node) { | 759 | /* Iteration over nodemgr_ud_class.children has to be protected by |
713 | ud = container_of(cdev, struct unit_directory, class_dev); | 760 | * nodemgr_ud_class.sem, but class_device_unregister() will eventually |
714 | 761 | * take nodemgr_ud_class.sem too. Therefore pick out one ud at a time, | |
715 | if (ud->ne != ne) | 762 | * release the semaphore, and then unregister the ud. Since this code |
716 | continue; | 763 | * may be called from other contexts besides the knodemgrds, protect the |
717 | 764 | * gap after release of the semaphore by nodemgr_serialize_remove_uds. | |
765 | */ | ||
766 | mutex_lock(&nodemgr_serialize_remove_uds); | ||
767 | for (;;) { | ||
768 | ud = NULL; | ||
769 | down(&nodemgr_ud_class.sem); | ||
770 | list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { | ||
771 | tmp = container_of(cdev, struct unit_directory, | ||
772 | class_dev); | ||
773 | if (tmp->ne == ne) { | ||
774 | ud = tmp; | ||
775 | break; | ||
776 | } | ||
777 | } | ||
778 | up(&nodemgr_ud_class.sem); | ||
779 | if (ud == NULL) | ||
780 | break; | ||
718 | class_device_unregister(&ud->class_dev); | 781 | class_device_unregister(&ud->class_dev); |
719 | device_unregister(&ud->device); | 782 | device_unregister(&ud->device); |
720 | } | 783 | } |
784 | mutex_unlock(&nodemgr_serialize_remove_uds); | ||
721 | } | 785 | } |
722 | 786 | ||
723 | 787 | ||
724 | static void nodemgr_remove_ne(struct node_entry *ne) | 788 | static void nodemgr_remove_ne(struct node_entry *ne) |
725 | { | 789 | { |
726 | struct device *dev = &ne->device; | 790 | struct device *dev; |
727 | 791 | ||
728 | dev = get_device(&ne->device); | 792 | dev = get_device(&ne->device); |
729 | if (!dev) | 793 | if (!dev) |
@@ -748,7 +812,7 @@ static int __nodemgr_remove_host_dev(struct device *dev, void *data) | |||
748 | 812 | ||
749 | static void nodemgr_remove_host_dev(struct device *dev) | 813 | static void nodemgr_remove_host_dev(struct device *dev) |
750 | { | 814 | { |
751 | device_for_each_child(dev, NULL, __nodemgr_remove_host_dev); | 815 | WARN_ON(device_for_each_child(dev, NULL, __nodemgr_remove_host_dev)); |
752 | sysfs_remove_link(&dev->kobj, "irm_id"); | 816 | sysfs_remove_link(&dev->kobj, "irm_id"); |
753 | sysfs_remove_link(&dev->kobj, "busmgr_id"); | 817 | sysfs_remove_link(&dev->kobj, "busmgr_id"); |
754 | sysfs_remove_link(&dev->kobj, "host_id"); | 818 | sysfs_remove_link(&dev->kobj, "host_id"); |
@@ -762,16 +826,16 @@ static void nodemgr_update_bus_options(struct node_entry *ne) | |||
762 | #endif | 826 | #endif |
763 | quadlet_t busoptions = be32_to_cpu(ne->csr->bus_info_data[2]); | 827 | quadlet_t busoptions = be32_to_cpu(ne->csr->bus_info_data[2]); |
764 | 828 | ||
765 | ne->busopt.irmc = (busoptions >> 31) & 1; | 829 | ne->busopt.irmc = (busoptions >> 31) & 1; |
766 | ne->busopt.cmc = (busoptions >> 30) & 1; | 830 | ne->busopt.cmc = (busoptions >> 30) & 1; |
767 | ne->busopt.isc = (busoptions >> 29) & 1; | 831 | ne->busopt.isc = (busoptions >> 29) & 1; |
768 | ne->busopt.bmc = (busoptions >> 28) & 1; | 832 | ne->busopt.bmc = (busoptions >> 28) & 1; |
769 | ne->busopt.pmc = (busoptions >> 27) & 1; | 833 | ne->busopt.pmc = (busoptions >> 27) & 1; |
770 | ne->busopt.cyc_clk_acc = (busoptions >> 16) & 0xff; | 834 | ne->busopt.cyc_clk_acc = (busoptions >> 16) & 0xff; |
771 | ne->busopt.max_rec = 1 << (((busoptions >> 12) & 0xf) + 1); | 835 | ne->busopt.max_rec = 1 << (((busoptions >> 12) & 0xf) + 1); |
772 | ne->busopt.max_rom = (busoptions >> 8) & 0x3; | 836 | ne->busopt.max_rom = (busoptions >> 8) & 0x3; |
773 | ne->busopt.generation = (busoptions >> 4) & 0xf; | 837 | ne->busopt.generation = (busoptions >> 4) & 0xf; |
774 | ne->busopt.lnkspd = busoptions & 0x7; | 838 | ne->busopt.lnkspd = busoptions & 0x7; |
775 | 839 | ||
776 | HPSB_VERBOSE("NodeMgr: raw=0x%08x irmc=%d cmc=%d isc=%d bmc=%d pmc=%d " | 840 | HPSB_VERBOSE("NodeMgr: raw=0x%08x irmc=%d cmc=%d isc=%d bmc=%d pmc=%d " |
777 | "cyc_clk_acc=%d max_rec=%d max_rom=%d gen=%d lspd=%d", | 841 | "cyc_clk_acc=%d max_rec=%d max_rom=%d gen=%d lspd=%d", |
@@ -792,7 +856,7 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr | |||
792 | 856 | ||
793 | ne = kzalloc(sizeof(*ne), GFP_KERNEL); | 857 | ne = kzalloc(sizeof(*ne), GFP_KERNEL); |
794 | if (!ne) | 858 | if (!ne) |
795 | return NULL; | 859 | goto fail_alloc; |
796 | 860 | ||
797 | ne->host = host; | 861 | ne->host = host; |
798 | ne->nodeid = nodeid; | 862 | ne->nodeid = nodeid; |
@@ -815,12 +879,15 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr | |||
815 | snprintf(ne->class_dev.class_id, BUS_ID_SIZE, "%016Lx", | 879 | snprintf(ne->class_dev.class_id, BUS_ID_SIZE, "%016Lx", |
816 | (unsigned long long)(ne->guid)); | 880 | (unsigned long long)(ne->guid)); |
817 | 881 | ||
818 | device_register(&ne->device); | 882 | if (device_register(&ne->device)) |
819 | class_device_register(&ne->class_dev); | 883 | goto fail_devreg; |
884 | if (class_device_register(&ne->class_dev)) | ||
885 | goto fail_classdevreg; | ||
820 | get_device(&ne->device); | 886 | get_device(&ne->device); |
821 | 887 | ||
822 | if (ne->guid_vendor_oui) | 888 | if (ne->guid_vendor_oui && |
823 | device_create_file(&ne->device, &dev_attr_ne_guid_vendor_oui); | 889 | device_create_file(&ne->device, &dev_attr_ne_guid_vendor_oui)) |
890 | goto fail_addoiu; | ||
824 | nodemgr_create_ne_dev_files(ne); | 891 | nodemgr_create_ne_dev_files(ne); |
825 | 892 | ||
826 | nodemgr_update_bus_options(ne); | 893 | nodemgr_update_bus_options(ne); |
@@ -830,17 +897,28 @@ static struct node_entry *nodemgr_create_node(octlet_t guid, struct csr1212_csr | |||
830 | NODE_BUS_ARGS(host, nodeid), (unsigned long long)guid); | 897 | NODE_BUS_ARGS(host, nodeid), (unsigned long long)guid); |
831 | 898 | ||
832 | return ne; | 899 | return ne; |
900 | |||
901 | fail_addoiu: | ||
902 | put_device(&ne->device); | ||
903 | fail_classdevreg: | ||
904 | device_unregister(&ne->device); | ||
905 | fail_devreg: | ||
906 | kfree(ne); | ||
907 | fail_alloc: | ||
908 | HPSB_ERR("Failed to create node ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", | ||
909 | NODE_BUS_ARGS(host, nodeid), (unsigned long long)guid); | ||
910 | |||
911 | return NULL; | ||
833 | } | 912 | } |
834 | 913 | ||
835 | 914 | ||
836 | static struct node_entry *find_entry_by_guid(u64 guid) | 915 | static struct node_entry *find_entry_by_guid(u64 guid) |
837 | { | 916 | { |
838 | struct class *class = &nodemgr_ne_class; | ||
839 | struct class_device *cdev; | 917 | struct class_device *cdev; |
840 | struct node_entry *ne, *ret_ne = NULL; | 918 | struct node_entry *ne, *ret_ne = NULL; |
841 | 919 | ||
842 | down_read(&class->subsys.rwsem); | 920 | down(&nodemgr_ne_class.sem); |
843 | list_for_each_entry(cdev, &class->children, node) { | 921 | list_for_each_entry(cdev, &nodemgr_ne_class.children, node) { |
844 | ne = container_of(cdev, struct node_entry, class_dev); | 922 | ne = container_of(cdev, struct node_entry, class_dev); |
845 | 923 | ||
846 | if (ne->guid == guid) { | 924 | if (ne->guid == guid) { |
@@ -848,20 +926,20 @@ static struct node_entry *find_entry_by_guid(u64 guid) | |||
848 | break; | 926 | break; |
849 | } | 927 | } |
850 | } | 928 | } |
851 | up_read(&class->subsys.rwsem); | 929 | up(&nodemgr_ne_class.sem); |
852 | 930 | ||
853 | return ret_ne; | 931 | return ret_ne; |
854 | } | 932 | } |
855 | 933 | ||
856 | 934 | ||
857 | static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, nodeid_t nodeid) | 935 | static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, |
936 | nodeid_t nodeid) | ||
858 | { | 937 | { |
859 | struct class *class = &nodemgr_ne_class; | ||
860 | struct class_device *cdev; | 938 | struct class_device *cdev; |
861 | struct node_entry *ne, *ret_ne = NULL; | 939 | struct node_entry *ne, *ret_ne = NULL; |
862 | 940 | ||
863 | down_read(&class->subsys.rwsem); | 941 | down(&nodemgr_ne_class.sem); |
864 | list_for_each_entry(cdev, &class->children, node) { | 942 | list_for_each_entry(cdev, &nodemgr_ne_class.children, node) { |
865 | ne = container_of(cdev, struct node_entry, class_dev); | 943 | ne = container_of(cdev, struct node_entry, class_dev); |
866 | 944 | ||
867 | if (ne->host == host && ne->nodeid == nodeid) { | 945 | if (ne->host == host && ne->nodeid == nodeid) { |
@@ -869,7 +947,7 @@ static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, nodeid_t | |||
869 | break; | 947 | break; |
870 | } | 948 | } |
871 | } | 949 | } |
872 | up_read(&class->subsys.rwsem); | 950 | up(&nodemgr_ne_class.sem); |
873 | 951 | ||
874 | return ret_ne; | 952 | return ret_ne; |
875 | } | 953 | } |
@@ -891,13 +969,25 @@ static void nodemgr_register_device(struct node_entry *ne, | |||
891 | snprintf(ud->class_dev.class_id, BUS_ID_SIZE, "%s-%u", | 969 | snprintf(ud->class_dev.class_id, BUS_ID_SIZE, "%s-%u", |
892 | ne->device.bus_id, ud->id); | 970 | ne->device.bus_id, ud->id); |
893 | 971 | ||
894 | device_register(&ud->device); | 972 | if (device_register(&ud->device)) |
895 | class_device_register(&ud->class_dev); | 973 | goto fail_devreg; |
974 | if (class_device_register(&ud->class_dev)) | ||
975 | goto fail_classdevreg; | ||
896 | get_device(&ud->device); | 976 | get_device(&ud->device); |
897 | 977 | ||
898 | if (ud->vendor_oui) | 978 | if (ud->vendor_oui && |
899 | device_create_file(&ud->device, &dev_attr_ud_vendor_oui); | 979 | device_create_file(&ud->device, &dev_attr_ud_vendor_oui)) |
980 | goto fail_addoui; | ||
900 | nodemgr_create_ud_dev_files(ud); | 981 | nodemgr_create_ud_dev_files(ud); |
982 | |||
983 | return; | ||
984 | |||
985 | fail_addoui: | ||
986 | put_device(&ud->device); | ||
987 | fail_classdevreg: | ||
988 | device_unregister(&ud->device); | ||
989 | fail_devreg: | ||
990 | HPSB_ERR("Failed to create unit %s", ud->device.bus_id); | ||
901 | } | 991 | } |
902 | 992 | ||
903 | 993 | ||
@@ -977,10 +1067,9 @@ static struct unit_directory *nodemgr_process_unit_directory | |||
977 | /* Logical Unit Number */ | 1067 | /* Logical Unit Number */ |
978 | if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE) { | 1068 | if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE) { |
979 | if (ud->flags & UNIT_DIRECTORY_HAS_LUN) { | 1069 | if (ud->flags & UNIT_DIRECTORY_HAS_LUN) { |
980 | ud_child = kmalloc(sizeof(*ud_child), GFP_KERNEL); | 1070 | ud_child = kmemdup(ud, sizeof(*ud_child), GFP_KERNEL); |
981 | if (!ud_child) | 1071 | if (!ud_child) |
982 | goto unit_directory_error; | 1072 | goto unit_directory_error; |
983 | memcpy(ud_child, ud, sizeof(*ud_child)); | ||
984 | nodemgr_register_device(ne, ud_child, &ne->device); | 1073 | nodemgr_register_device(ne, ud_child, &ne->device); |
985 | ud_child = NULL; | 1074 | ud_child = NULL; |
986 | 1075 | ||
@@ -1094,10 +1183,16 @@ static void nodemgr_process_root_directory(struct host_info *hi, struct node_ent | |||
1094 | last_key_id = kv->key.id; | 1183 | last_key_id = kv->key.id; |
1095 | } | 1184 | } |
1096 | 1185 | ||
1097 | if (ne->vendor_oui) | 1186 | if (ne->vendor_oui && |
1098 | device_create_file(&ne->device, &dev_attr_ne_vendor_oui); | 1187 | device_create_file(&ne->device, &dev_attr_ne_vendor_oui)) |
1099 | if (ne->vendor_name_kv) | 1188 | goto fail; |
1100 | device_create_file(&ne->device, &dev_attr_ne_vendor_name_kv); | 1189 | if (ne->vendor_name_kv && |
1190 | device_create_file(&ne->device, &dev_attr_ne_vendor_name_kv)) | ||
1191 | goto fail; | ||
1192 | return; | ||
1193 | fail: | ||
1194 | HPSB_ERR("Failed to add sysfs attribute for node %016Lx", | ||
1195 | (unsigned long long)ne->guid); | ||
1101 | } | 1196 | } |
1102 | 1197 | ||
1103 | #ifdef CONFIG_HOTPLUG | 1198 | #ifdef CONFIG_HOTPLUG |
@@ -1161,16 +1256,20 @@ static int nodemgr_uevent(struct class_device *cdev, char **envp, int num_envp, | |||
1161 | #endif /* CONFIG_HOTPLUG */ | 1256 | #endif /* CONFIG_HOTPLUG */ |
1162 | 1257 | ||
1163 | 1258 | ||
1164 | int hpsb_register_protocol(struct hpsb_protocol_driver *driver) | 1259 | int __hpsb_register_protocol(struct hpsb_protocol_driver *drv, |
1260 | struct module *owner) | ||
1165 | { | 1261 | { |
1166 | int ret; | 1262 | int error; |
1167 | 1263 | ||
1168 | /* This will cause a probe for devices */ | 1264 | drv->driver.bus = &ieee1394_bus_type; |
1169 | ret = driver_register(&driver->driver); | 1265 | drv->driver.owner = owner; |
1170 | if (!ret) | 1266 | drv->driver.name = drv->name; |
1171 | nodemgr_create_drv_files(driver); | ||
1172 | 1267 | ||
1173 | return ret; | 1268 | /* This will cause a probe for devices */ |
1269 | error = driver_register(&drv->driver); | ||
1270 | if (!error) | ||
1271 | nodemgr_create_drv_files(drv); | ||
1272 | return error; | ||
1174 | } | 1273 | } |
1175 | 1274 | ||
1176 | void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver) | 1275 | void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver) |
@@ -1298,26 +1397,25 @@ static void nodemgr_node_scan_one(struct host_info *hi, | |||
1298 | 1397 | ||
1299 | static void nodemgr_node_scan(struct host_info *hi, int generation) | 1398 | static void nodemgr_node_scan(struct host_info *hi, int generation) |
1300 | { | 1399 | { |
1301 | int count; | 1400 | int count; |
1302 | struct hpsb_host *host = hi->host; | 1401 | struct hpsb_host *host = hi->host; |
1303 | struct selfid *sid = (struct selfid *)host->topology_map; | 1402 | struct selfid *sid = (struct selfid *)host->topology_map; |
1304 | nodeid_t nodeid = LOCAL_BUS; | 1403 | nodeid_t nodeid = LOCAL_BUS; |
1305 | 1404 | ||
1306 | /* Scan each node on the bus */ | 1405 | /* Scan each node on the bus */ |
1307 | for (count = host->selfid_count; count; count--, sid++) { | 1406 | for (count = host->selfid_count; count; count--, sid++) { |
1308 | if (sid->extended) | 1407 | if (sid->extended) |
1309 | continue; | 1408 | continue; |
1310 | 1409 | ||
1311 | if (!sid->link_active) { | 1410 | if (!sid->link_active) { |
1312 | nodeid++; | 1411 | nodeid++; |
1313 | continue; | 1412 | continue; |
1314 | } | 1413 | } |
1315 | nodemgr_node_scan_one(hi, nodeid++, generation); | 1414 | nodemgr_node_scan_one(hi, nodeid++, generation); |
1316 | } | 1415 | } |
1317 | } | 1416 | } |
1318 | 1417 | ||
1319 | 1418 | ||
1320 | /* Caller needs to hold nodemgr_ud_class.subsys.rwsem as reader. */ | ||
1321 | static void nodemgr_suspend_ne(struct node_entry *ne) | 1419 | static void nodemgr_suspend_ne(struct node_entry *ne) |
1322 | { | 1420 | { |
1323 | struct class_device *cdev; | 1421 | struct class_device *cdev; |
@@ -1327,21 +1425,22 @@ static void nodemgr_suspend_ne(struct node_entry *ne) | |||
1327 | NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid); | 1425 | NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid); |
1328 | 1426 | ||
1329 | ne->in_limbo = 1; | 1427 | ne->in_limbo = 1; |
1330 | device_create_file(&ne->device, &dev_attr_ne_in_limbo); | 1428 | WARN_ON(device_create_file(&ne->device, &dev_attr_ne_in_limbo)); |
1331 | 1429 | ||
1332 | down_write(&ne->device.bus->subsys.rwsem); | 1430 | down(&nodemgr_ud_class.sem); |
1333 | list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { | 1431 | list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { |
1334 | ud = container_of(cdev, struct unit_directory, class_dev); | 1432 | ud = container_of(cdev, struct unit_directory, class_dev); |
1335 | |||
1336 | if (ud->ne != ne) | 1433 | if (ud->ne != ne) |
1337 | continue; | 1434 | continue; |
1338 | 1435 | ||
1436 | down_write(&ieee1394_bus_type.subsys.rwsem); | ||
1339 | if (ud->device.driver && | 1437 | if (ud->device.driver && |
1340 | (!ud->device.driver->suspend || | 1438 | (!ud->device.driver->suspend || |
1341 | ud->device.driver->suspend(&ud->device, PMSG_SUSPEND))) | 1439 | ud->device.driver->suspend(&ud->device, PMSG_SUSPEND))) |
1342 | device_release_driver(&ud->device); | 1440 | device_release_driver(&ud->device); |
1441 | up_write(&ieee1394_bus_type.subsys.rwsem); | ||
1343 | } | 1442 | } |
1344 | up_write(&ne->device.bus->subsys.rwsem); | 1443 | up(&nodemgr_ud_class.sem); |
1345 | } | 1444 | } |
1346 | 1445 | ||
1347 | 1446 | ||
@@ -1353,45 +1452,47 @@ static void nodemgr_resume_ne(struct node_entry *ne) | |||
1353 | ne->in_limbo = 0; | 1452 | ne->in_limbo = 0; |
1354 | device_remove_file(&ne->device, &dev_attr_ne_in_limbo); | 1453 | device_remove_file(&ne->device, &dev_attr_ne_in_limbo); |
1355 | 1454 | ||
1356 | down_read(&nodemgr_ud_class.subsys.rwsem); | 1455 | down(&nodemgr_ud_class.sem); |
1357 | down_read(&ne->device.bus->subsys.rwsem); | ||
1358 | list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { | 1456 | list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { |
1359 | ud = container_of(cdev, struct unit_directory, class_dev); | 1457 | ud = container_of(cdev, struct unit_directory, class_dev); |
1360 | |||
1361 | if (ud->ne != ne) | 1458 | if (ud->ne != ne) |
1362 | continue; | 1459 | continue; |
1363 | 1460 | ||
1461 | down_read(&ieee1394_bus_type.subsys.rwsem); | ||
1364 | if (ud->device.driver && ud->device.driver->resume) | 1462 | if (ud->device.driver && ud->device.driver->resume) |
1365 | ud->device.driver->resume(&ud->device); | 1463 | ud->device.driver->resume(&ud->device); |
1464 | up_read(&ieee1394_bus_type.subsys.rwsem); | ||
1366 | } | 1465 | } |
1367 | up_read(&ne->device.bus->subsys.rwsem); | 1466 | up(&nodemgr_ud_class.sem); |
1368 | up_read(&nodemgr_ud_class.subsys.rwsem); | ||
1369 | 1467 | ||
1370 | HPSB_DEBUG("Node resumed: ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", | 1468 | HPSB_DEBUG("Node resumed: ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", |
1371 | NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid); | 1469 | NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid); |
1372 | } | 1470 | } |
1373 | 1471 | ||
1374 | 1472 | ||
1375 | /* Caller needs to hold nodemgr_ud_class.subsys.rwsem as reader. */ | ||
1376 | static void nodemgr_update_pdrv(struct node_entry *ne) | 1473 | static void nodemgr_update_pdrv(struct node_entry *ne) |
1377 | { | 1474 | { |
1378 | struct unit_directory *ud; | 1475 | struct unit_directory *ud; |
1379 | struct hpsb_protocol_driver *pdrv; | 1476 | struct hpsb_protocol_driver *pdrv; |
1380 | struct class_device *cdev; | 1477 | struct class_device *cdev; |
1381 | 1478 | ||
1479 | down(&nodemgr_ud_class.sem); | ||
1382 | list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { | 1480 | list_for_each_entry(cdev, &nodemgr_ud_class.children, node) { |
1383 | ud = container_of(cdev, struct unit_directory, class_dev); | 1481 | ud = container_of(cdev, struct unit_directory, class_dev); |
1384 | if (ud->ne != ne || !ud->device.driver) | 1482 | if (ud->ne != ne) |
1385 | continue; | 1483 | continue; |
1386 | 1484 | ||
1387 | pdrv = container_of(ud->device.driver, struct hpsb_protocol_driver, driver); | 1485 | down_write(&ieee1394_bus_type.subsys.rwsem); |
1388 | 1486 | if (ud->device.driver) { | |
1389 | if (pdrv->update && pdrv->update(ud)) { | 1487 | pdrv = container_of(ud->device.driver, |
1390 | down_write(&ud->device.bus->subsys.rwsem); | 1488 | struct hpsb_protocol_driver, |
1391 | device_release_driver(&ud->device); | 1489 | driver); |
1392 | up_write(&ud->device.bus->subsys.rwsem); | 1490 | if (pdrv->update && pdrv->update(ud)) |
1491 | device_release_driver(&ud->device); | ||
1393 | } | 1492 | } |
1493 | up_write(&ieee1394_bus_type.subsys.rwsem); | ||
1394 | } | 1494 | } |
1495 | up(&nodemgr_ud_class.sem); | ||
1395 | } | 1496 | } |
1396 | 1497 | ||
1397 | 1498 | ||
@@ -1405,7 +1506,7 @@ static void nodemgr_irm_write_bc(struct node_entry *ne, int generation) | |||
1405 | { | 1506 | { |
1406 | const u64 bc_addr = (CSR_REGISTER_BASE | CSR_BROADCAST_CHANNEL); | 1507 | const u64 bc_addr = (CSR_REGISTER_BASE | CSR_BROADCAST_CHANNEL); |
1407 | quadlet_t bc_remote, bc_local; | 1508 | quadlet_t bc_remote, bc_local; |
1408 | int ret; | 1509 | int error; |
1409 | 1510 | ||
1410 | if (!ne->host->is_irm || ne->generation != generation || | 1511 | if (!ne->host->is_irm || ne->generation != generation || |
1411 | ne->nodeid == ne->host->node_id) | 1512 | ne->nodeid == ne->host->node_id) |
@@ -1414,16 +1515,14 @@ static void nodemgr_irm_write_bc(struct node_entry *ne, int generation) | |||
1414 | bc_local = cpu_to_be32(ne->host->csr.broadcast_channel); | 1515 | bc_local = cpu_to_be32(ne->host->csr.broadcast_channel); |
1415 | 1516 | ||
1416 | /* Check if the register is implemented and 1394a compliant. */ | 1517 | /* Check if the register is implemented and 1394a compliant. */ |
1417 | ret = hpsb_read(ne->host, ne->nodeid, generation, bc_addr, &bc_remote, | 1518 | error = hpsb_read(ne->host, ne->nodeid, generation, bc_addr, &bc_remote, |
1418 | sizeof(bc_remote)); | 1519 | sizeof(bc_remote)); |
1419 | if (!ret && bc_remote & cpu_to_be32(0x80000000) && | 1520 | if (!error && bc_remote & cpu_to_be32(0x80000000) && |
1420 | bc_remote != bc_local) | 1521 | bc_remote != bc_local) |
1421 | hpsb_node_write(ne, bc_addr, &bc_local, sizeof(bc_local)); | 1522 | hpsb_node_write(ne, bc_addr, &bc_local, sizeof(bc_local)); |
1422 | } | 1523 | } |
1423 | 1524 | ||
1424 | 1525 | ||
1425 | /* Caller needs to hold nodemgr_ud_class.subsys.rwsem as reader because the | ||
1426 | * calls to nodemgr_update_pdrv() and nodemgr_suspend_ne() here require it. */ | ||
1427 | static void nodemgr_probe_ne(struct host_info *hi, struct node_entry *ne, int generation) | 1526 | static void nodemgr_probe_ne(struct host_info *hi, struct node_entry *ne, int generation) |
1428 | { | 1527 | { |
1429 | struct device *dev; | 1528 | struct device *dev; |
@@ -1456,7 +1555,6 @@ static void nodemgr_probe_ne(struct host_info *hi, struct node_entry *ne, int ge | |||
1456 | static void nodemgr_node_probe(struct host_info *hi, int generation) | 1555 | static void nodemgr_node_probe(struct host_info *hi, int generation) |
1457 | { | 1556 | { |
1458 | struct hpsb_host *host = hi->host; | 1557 | struct hpsb_host *host = hi->host; |
1459 | struct class *class = &nodemgr_ne_class; | ||
1460 | struct class_device *cdev; | 1558 | struct class_device *cdev; |
1461 | struct node_entry *ne; | 1559 | struct node_entry *ne; |
1462 | 1560 | ||
@@ -1469,18 +1567,18 @@ static void nodemgr_node_probe(struct host_info *hi, int generation) | |||
1469 | * while probes are time-consuming. (Well, those probes need some | 1567 | * while probes are time-consuming. (Well, those probes need some |
1470 | * improvement...) */ | 1568 | * improvement...) */ |
1471 | 1569 | ||
1472 | down_read(&class->subsys.rwsem); | 1570 | down(&nodemgr_ne_class.sem); |
1473 | list_for_each_entry(cdev, &class->children, node) { | 1571 | list_for_each_entry(cdev, &nodemgr_ne_class.children, node) { |
1474 | ne = container_of(cdev, struct node_entry, class_dev); | 1572 | ne = container_of(cdev, struct node_entry, class_dev); |
1475 | if (!ne->needs_probe) | 1573 | if (!ne->needs_probe) |
1476 | nodemgr_probe_ne(hi, ne, generation); | 1574 | nodemgr_probe_ne(hi, ne, generation); |
1477 | } | 1575 | } |
1478 | list_for_each_entry(cdev, &class->children, node) { | 1576 | list_for_each_entry(cdev, &nodemgr_ne_class.children, node) { |
1479 | ne = container_of(cdev, struct node_entry, class_dev); | 1577 | ne = container_of(cdev, struct node_entry, class_dev); |
1480 | if (ne->needs_probe) | 1578 | if (ne->needs_probe) |
1481 | nodemgr_probe_ne(hi, ne, generation); | 1579 | nodemgr_probe_ne(hi, ne, generation); |
1482 | } | 1580 | } |
1483 | up_read(&class->subsys.rwsem); | 1581 | up(&nodemgr_ne_class.sem); |
1484 | 1582 | ||
1485 | 1583 | ||
1486 | /* If we had a bus reset while we were scanning the bus, it is | 1584 | /* If we had a bus reset while we were scanning the bus, it is |
@@ -1498,15 +1596,14 @@ static void nodemgr_node_probe(struct host_info *hi, int generation) | |||
1498 | * just removed. */ | 1596 | * just removed. */ |
1499 | 1597 | ||
1500 | if (generation == get_hpsb_generation(host)) | 1598 | if (generation == get_hpsb_generation(host)) |
1501 | bus_rescan_devices(&ieee1394_bus_type); | 1599 | if (bus_rescan_devices(&ieee1394_bus_type)) |
1502 | 1600 | HPSB_DEBUG("bus_rescan_devices had an error"); | |
1503 | return; | ||
1504 | } | 1601 | } |
1505 | 1602 | ||
1506 | static int nodemgr_send_resume_packet(struct hpsb_host *host) | 1603 | static int nodemgr_send_resume_packet(struct hpsb_host *host) |
1507 | { | 1604 | { |
1508 | struct hpsb_packet *packet; | 1605 | struct hpsb_packet *packet; |
1509 | int ret = 1; | 1606 | int error = -ENOMEM; |
1510 | 1607 | ||
1511 | packet = hpsb_make_phypacket(host, | 1608 | packet = hpsb_make_phypacket(host, |
1512 | EXTPHYPACKET_TYPE_RESUME | | 1609 | EXTPHYPACKET_TYPE_RESUME | |
@@ -1514,12 +1611,12 @@ static int nodemgr_send_resume_packet(struct hpsb_host *host) | |||
1514 | if (packet) { | 1611 | if (packet) { |
1515 | packet->no_waiter = 1; | 1612 | packet->no_waiter = 1; |
1516 | packet->generation = get_hpsb_generation(host); | 1613 | packet->generation = get_hpsb_generation(host); |
1517 | ret = hpsb_send_packet(packet); | 1614 | error = hpsb_send_packet(packet); |
1518 | } | 1615 | } |
1519 | if (ret) | 1616 | if (error) |
1520 | HPSB_WARN("fw-host%d: Failed to broadcast resume packet", | 1617 | HPSB_WARN("fw-host%d: Failed to broadcast resume packet", |
1521 | host->id); | 1618 | host->id); |
1522 | return ret; | 1619 | return error; |
1523 | } | 1620 | } |
1524 | 1621 | ||
1525 | /* Perform a few high-level IRM responsibilities. */ | 1622 | /* Perform a few high-level IRM responsibilities. */ |
@@ -1692,19 +1789,18 @@ exit: | |||
1692 | 1789 | ||
1693 | int nodemgr_for_each_host(void *__data, int (*cb)(struct hpsb_host *, void *)) | 1790 | int nodemgr_for_each_host(void *__data, int (*cb)(struct hpsb_host *, void *)) |
1694 | { | 1791 | { |
1695 | struct class *class = &hpsb_host_class; | ||
1696 | struct class_device *cdev; | 1792 | struct class_device *cdev; |
1697 | struct hpsb_host *host; | 1793 | struct hpsb_host *host; |
1698 | int error = 0; | 1794 | int error = 0; |
1699 | 1795 | ||
1700 | down_read(&class->subsys.rwsem); | 1796 | down(&hpsb_host_class.sem); |
1701 | list_for_each_entry(cdev, &class->children, node) { | 1797 | list_for_each_entry(cdev, &hpsb_host_class.children, node) { |
1702 | host = container_of(cdev, struct hpsb_host, class_dev); | 1798 | host = container_of(cdev, struct hpsb_host, class_dev); |
1703 | 1799 | ||
1704 | if ((error = cb(host, __data))) | 1800 | if ((error = cb(host, __data))) |
1705 | break; | 1801 | break; |
1706 | } | 1802 | } |
1707 | up_read(&class->subsys.rwsem); | 1803 | up(&hpsb_host_class.sem); |
1708 | 1804 | ||
1709 | return error; | 1805 | return error; |
1710 | } | 1806 | } |
@@ -1726,10 +1822,10 @@ int nodemgr_for_each_host(void *__data, int (*cb)(struct hpsb_host *, void *)) | |||
1726 | 1822 | ||
1727 | void hpsb_node_fill_packet(struct node_entry *ne, struct hpsb_packet *pkt) | 1823 | void hpsb_node_fill_packet(struct node_entry *ne, struct hpsb_packet *pkt) |
1728 | { | 1824 | { |
1729 | pkt->host = ne->host; | 1825 | pkt->host = ne->host; |
1730 | pkt->generation = ne->generation; | 1826 | pkt->generation = ne->generation; |
1731 | barrier(); | 1827 | barrier(); |
1732 | pkt->node_id = ne->nodeid; | 1828 | pkt->node_id = ne->nodeid; |
1733 | } | 1829 | } |
1734 | 1830 | ||
1735 | int hpsb_node_write(struct node_entry *ne, u64 addr, | 1831 | int hpsb_node_write(struct node_entry *ne, u64 addr, |
@@ -1789,26 +1885,25 @@ static struct hpsb_highlevel nodemgr_highlevel = { | |||
1789 | 1885 | ||
1790 | int init_ieee1394_nodemgr(void) | 1886 | int init_ieee1394_nodemgr(void) |
1791 | { | 1887 | { |
1792 | int ret; | 1888 | int error; |
1793 | 1889 | ||
1794 | ret = class_register(&nodemgr_ne_class); | 1890 | error = class_register(&nodemgr_ne_class); |
1795 | if (ret < 0) | 1891 | if (error) |
1796 | return ret; | 1892 | return error; |
1797 | 1893 | ||
1798 | ret = class_register(&nodemgr_ud_class); | 1894 | error = class_register(&nodemgr_ud_class); |
1799 | if (ret < 0) { | 1895 | if (error) { |
1800 | class_unregister(&nodemgr_ne_class); | 1896 | class_unregister(&nodemgr_ne_class); |
1801 | return ret; | 1897 | return error; |
1802 | } | 1898 | } |
1803 | 1899 | error = driver_register(&nodemgr_mid_layer_driver); | |
1804 | hpsb_register_highlevel(&nodemgr_highlevel); | 1900 | hpsb_register_highlevel(&nodemgr_highlevel); |
1805 | |||
1806 | return 0; | 1901 | return 0; |
1807 | } | 1902 | } |
1808 | 1903 | ||
1809 | void cleanup_ieee1394_nodemgr(void) | 1904 | void cleanup_ieee1394_nodemgr(void) |
1810 | { | 1905 | { |
1811 | hpsb_unregister_highlevel(&nodemgr_highlevel); | 1906 | hpsb_unregister_highlevel(&nodemgr_highlevel); |
1812 | 1907 | ||
1813 | class_unregister(&nodemgr_ud_class); | 1908 | class_unregister(&nodemgr_ud_class); |
1814 | class_unregister(&nodemgr_ne_class); | 1909 | class_unregister(&nodemgr_ne_class); |
diff --git a/drivers/ieee1394/nodemgr.h b/drivers/ieee1394/nodemgr.h index 0e1e7d930783..e25cbadb8be0 100644 --- a/drivers/ieee1394/nodemgr.h +++ b/drivers/ieee1394/nodemgr.h | |||
@@ -144,7 +144,12 @@ struct hpsb_protocol_driver { | |||
144 | struct device_driver driver; | 144 | struct device_driver driver; |
145 | }; | 145 | }; |
146 | 146 | ||
147 | int hpsb_register_protocol(struct hpsb_protocol_driver *driver); | 147 | int __hpsb_register_protocol(struct hpsb_protocol_driver *, struct module *); |
148 | static inline int hpsb_register_protocol(struct hpsb_protocol_driver *driver) | ||
149 | { | ||
150 | return __hpsb_register_protocol(driver, THIS_MODULE); | ||
151 | } | ||
152 | |||
148 | void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver); | 153 | void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver); |
149 | 154 | ||
150 | static inline int hpsb_node_entry_valid(struct node_entry *ne) | 155 | static inline int hpsb_node_entry_valid(struct node_entry *ne) |
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c index eae97d8dcf03..628130a58af3 100644 --- a/drivers/ieee1394/ohci1394.c +++ b/drivers/ieee1394/ohci1394.c | |||
@@ -468,7 +468,6 @@ static int get_nb_iso_ctx(struct ti_ohci *ohci, int reg) | |||
468 | /* Global initialization */ | 468 | /* Global initialization */ |
469 | static void ohci_initialize(struct ti_ohci *ohci) | 469 | static void ohci_initialize(struct ti_ohci *ohci) |
470 | { | 470 | { |
471 | char irq_buf[16]; | ||
472 | quadlet_t buf; | 471 | quadlet_t buf; |
473 | int num_ports, i; | 472 | int num_ports, i; |
474 | 473 | ||
@@ -586,11 +585,10 @@ static void ohci_initialize(struct ti_ohci *ohci) | |||
586 | reg_write(ohci, OHCI1394_HCControlSet, OHCI1394_HCControl_linkEnable); | 585 | reg_write(ohci, OHCI1394_HCControlSet, OHCI1394_HCControl_linkEnable); |
587 | 586 | ||
588 | buf = reg_read(ohci, OHCI1394_Version); | 587 | buf = reg_read(ohci, OHCI1394_Version); |
589 | sprintf (irq_buf, "%d", ohci->dev->irq); | 588 | PRINT(KERN_INFO, "OHCI-1394 %d.%d (PCI): IRQ=[%d] " |
590 | PRINT(KERN_INFO, "OHCI-1394 %d.%d (PCI): IRQ=[%s] " | ||
591 | "MMIO=[%llx-%llx] Max Packet=[%d] IR/IT contexts=[%d/%d]", | 589 | "MMIO=[%llx-%llx] Max Packet=[%d] IR/IT contexts=[%d/%d]", |
592 | ((((buf) >> 16) & 0xf) + (((buf) >> 20) & 0xf) * 10), | 590 | ((((buf) >> 16) & 0xf) + (((buf) >> 20) & 0xf) * 10), |
593 | ((((buf) >> 4) & 0xf) + ((buf) & 0xf) * 10), irq_buf, | 591 | ((((buf) >> 4) & 0xf) + ((buf) & 0xf) * 10), ohci->dev->irq, |
594 | (unsigned long long)pci_resource_start(ohci->dev, 0), | 592 | (unsigned long long)pci_resource_start(ohci->dev, 0), |
595 | (unsigned long long)pci_resource_start(ohci->dev, 0) + OHCI1394_REGISTER_SIZE - 1, | 593 | (unsigned long long)pci_resource_start(ohci->dev, 0) + OHCI1394_REGISTER_SIZE - 1, |
596 | ohci->max_packet_size, | 594 | ohci->max_packet_size, |
@@ -3217,6 +3215,18 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev, | |||
3217 | struct ti_ohci *ohci; /* shortcut to currently handled device */ | 3215 | struct ti_ohci *ohci; /* shortcut to currently handled device */ |
3218 | resource_size_t ohci_base; | 3216 | resource_size_t ohci_base; |
3219 | 3217 | ||
3218 | #ifdef CONFIG_PPC_PMAC | ||
3219 | /* Necessary on some machines if ohci1394 was loaded/ unloaded before */ | ||
3220 | if (machine_is(powermac)) { | ||
3221 | struct device_node *ofn = pci_device_to_OF_node(dev); | ||
3222 | |||
3223 | if (ofn) { | ||
3224 | pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 1); | ||
3225 | pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1); | ||
3226 | } | ||
3227 | } | ||
3228 | #endif /* CONFIG_PPC_PMAC */ | ||
3229 | |||
3220 | if (pci_enable_device(dev)) | 3230 | if (pci_enable_device(dev)) |
3221 | FAIL(-ENXIO, "Failed to enable OHCI hardware"); | 3231 | FAIL(-ENXIO, "Failed to enable OHCI hardware"); |
3222 | pci_set_master(dev); | 3232 | pci_set_master(dev); |
@@ -3505,17 +3515,14 @@ static void ohci1394_pci_remove(struct pci_dev *pdev) | |||
3505 | #endif | 3515 | #endif |
3506 | 3516 | ||
3507 | #ifdef CONFIG_PPC_PMAC | 3517 | #ifdef CONFIG_PPC_PMAC |
3508 | /* On UniNorth, power down the cable and turn off the chip | 3518 | /* On UniNorth, power down the cable and turn off the chip clock |
3509 | * clock when the module is removed to save power on | 3519 | * to save power on laptops */ |
3510 | * laptops. Turning it back ON is done by the arch code when | 3520 | if (machine_is(powermac)) { |
3511 | * pci_enable_device() is called */ | 3521 | struct device_node* ofn = pci_device_to_OF_node(ohci->dev); |
3512 | { | ||
3513 | struct device_node* of_node; | ||
3514 | 3522 | ||
3515 | of_node = pci_device_to_OF_node(ohci->dev); | 3523 | if (ofn) { |
3516 | if (of_node) { | 3524 | pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0); |
3517 | pmac_call_feature(PMAC_FTR_1394_ENABLE, of_node, 0, 0); | 3525 | pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 0); |
3518 | pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, of_node, 0, 0); | ||
3519 | } | 3526 | } |
3520 | } | 3527 | } |
3521 | #endif /* CONFIG_PPC_PMAC */ | 3528 | #endif /* CONFIG_PPC_PMAC */ |
@@ -3529,59 +3536,102 @@ static void ohci1394_pci_remove(struct pci_dev *pdev) | |||
3529 | } | 3536 | } |
3530 | 3537 | ||
3531 | #ifdef CONFIG_PM | 3538 | #ifdef CONFIG_PM |
3532 | static int ohci1394_pci_resume (struct pci_dev *pdev) | 3539 | static int ohci1394_pci_suspend(struct pci_dev *pdev, pm_message_t state) |
3533 | { | ||
3534 | /* PowerMac resume code comes first */ | ||
3535 | #ifdef CONFIG_PPC_PMAC | ||
3536 | if (machine_is(powermac)) { | ||
3537 | struct device_node *of_node; | ||
3538 | |||
3539 | /* Re-enable 1394 */ | ||
3540 | of_node = pci_device_to_OF_node (pdev); | ||
3541 | if (of_node) | ||
3542 | pmac_call_feature (PMAC_FTR_1394_ENABLE, of_node, 0, 1); | ||
3543 | } | ||
3544 | #endif /* CONFIG_PPC_PMAC */ | ||
3545 | |||
3546 | pci_set_power_state(pdev, PCI_D0); | ||
3547 | pci_restore_state(pdev); | ||
3548 | return pci_enable_device(pdev); | ||
3549 | } | ||
3550 | |||
3551 | static int ohci1394_pci_suspend (struct pci_dev *pdev, pm_message_t state) | ||
3552 | { | 3540 | { |
3553 | int err; | 3541 | int err; |
3542 | struct ti_ohci *ohci = pci_get_drvdata(pdev); | ||
3554 | 3543 | ||
3555 | printk(KERN_INFO "%s does not fully support suspend and resume yet\n", | 3544 | printk(KERN_INFO "%s does not fully support suspend and resume yet\n", |
3556 | OHCI1394_DRIVER_NAME); | 3545 | OHCI1394_DRIVER_NAME); |
3557 | 3546 | ||
3547 | if (!ohci) { | ||
3548 | printk(KERN_ERR "%s: tried to suspend nonexisting host\n", | ||
3549 | OHCI1394_DRIVER_NAME); | ||
3550 | return -ENXIO; | ||
3551 | } | ||
3552 | DBGMSG("suspend called"); | ||
3553 | |||
3554 | /* Clear the async DMA contexts and stop using the controller */ | ||
3555 | hpsb_bus_reset(ohci->host); | ||
3556 | |||
3557 | /* See ohci1394_pci_remove() for comments on this sequence */ | ||
3558 | reg_write(ohci, OHCI1394_ConfigROMhdr, 0); | ||
3559 | reg_write(ohci, OHCI1394_BusOptions, | ||
3560 | (reg_read(ohci, OHCI1394_BusOptions) & 0x0000f007) | | ||
3561 | 0x00ff0000); | ||
3562 | reg_write(ohci, OHCI1394_IntMaskClear, 0xffffffff); | ||
3563 | reg_write(ohci, OHCI1394_IntEventClear, 0xffffffff); | ||
3564 | reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, 0xffffffff); | ||
3565 | reg_write(ohci, OHCI1394_IsoXmitIntEventClear, 0xffffffff); | ||
3566 | reg_write(ohci, OHCI1394_IsoRecvIntMaskClear, 0xffffffff); | ||
3567 | reg_write(ohci, OHCI1394_IsoRecvIntEventClear, 0xffffffff); | ||
3568 | set_phy_reg(ohci, 4, ~0xc0 & get_phy_reg(ohci, 4)); | ||
3569 | reg_write(ohci, OHCI1394_LinkControlClear, 0xffffffff); | ||
3570 | ohci_devctl(ohci->host, RESET_BUS, LONG_RESET_NO_FORCE_ROOT); | ||
3571 | ohci_soft_reset(ohci); | ||
3572 | |||
3558 | err = pci_save_state(pdev); | 3573 | err = pci_save_state(pdev); |
3559 | if (err) { | 3574 | if (err) { |
3560 | printk(KERN_ERR "%s: pci_save_state failed with %d\n", | 3575 | PRINT(KERN_ERR, "pci_save_state failed with %d", err); |
3561 | OHCI1394_DRIVER_NAME, err); | ||
3562 | return err; | 3576 | return err; |
3563 | } | 3577 | } |
3564 | err = pci_set_power_state(pdev, pci_choose_state(pdev, state)); | 3578 | err = pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
3565 | #ifdef OHCI1394_DEBUG | ||
3566 | if (err) | 3579 | if (err) |
3567 | printk(KERN_DEBUG "%s: pci_set_power_state failed with %d\n", | 3580 | DBGMSG("pci_set_power_state failed with %d", err); |
3568 | OHCI1394_DRIVER_NAME, err); | ||
3569 | #endif /* OHCI1394_DEBUG */ | ||
3570 | 3581 | ||
3571 | /* PowerMac suspend code comes last */ | 3582 | /* PowerMac suspend code comes last */ |
3572 | #ifdef CONFIG_PPC_PMAC | 3583 | #ifdef CONFIG_PPC_PMAC |
3573 | if (machine_is(powermac)) { | 3584 | if (machine_is(powermac)) { |
3574 | struct device_node *of_node; | 3585 | struct device_node *ofn = pci_device_to_OF_node(pdev); |
3575 | 3586 | ||
3576 | /* Disable 1394 */ | 3587 | if (ofn) |
3577 | of_node = pci_device_to_OF_node (pdev); | 3588 | pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0); |
3578 | if (of_node) | ||
3579 | pmac_call_feature(PMAC_FTR_1394_ENABLE, of_node, 0, 0); | ||
3580 | } | 3589 | } |
3581 | #endif /* CONFIG_PPC_PMAC */ | 3590 | #endif /* CONFIG_PPC_PMAC */ |
3582 | 3591 | ||
3583 | return 0; | 3592 | return 0; |
3584 | } | 3593 | } |
3594 | |||
3595 | static int ohci1394_pci_resume(struct pci_dev *pdev) | ||
3596 | { | ||
3597 | int err; | ||
3598 | struct ti_ohci *ohci = pci_get_drvdata(pdev); | ||
3599 | |||
3600 | if (!ohci) { | ||
3601 | printk(KERN_ERR "%s: tried to resume nonexisting host\n", | ||
3602 | OHCI1394_DRIVER_NAME); | ||
3603 | return -ENXIO; | ||
3604 | } | ||
3605 | DBGMSG("resume called"); | ||
3606 | |||
3607 | /* PowerMac resume code comes first */ | ||
3608 | #ifdef CONFIG_PPC_PMAC | ||
3609 | if (machine_is(powermac)) { | ||
3610 | struct device_node *ofn = pci_device_to_OF_node(pdev); | ||
3611 | |||
3612 | if (ofn) | ||
3613 | pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1); | ||
3614 | } | ||
3615 | #endif /* CONFIG_PPC_PMAC */ | ||
3616 | |||
3617 | pci_set_power_state(pdev, PCI_D0); | ||
3618 | pci_restore_state(pdev); | ||
3619 | err = pci_enable_device(pdev); | ||
3620 | if (err) { | ||
3621 | PRINT(KERN_ERR, "pci_enable_device failed with %d", err); | ||
3622 | return err; | ||
3623 | } | ||
3624 | |||
3625 | /* See ohci1394_pci_probe() for comments on this sequence */ | ||
3626 | ohci_soft_reset(ohci); | ||
3627 | reg_write(ohci, OHCI1394_HCControlSet, OHCI1394_HCControl_LPS); | ||
3628 | reg_write(ohci, OHCI1394_IntEventClear, 0xffffffff); | ||
3629 | reg_write(ohci, OHCI1394_IntMaskClear, 0xffffffff); | ||
3630 | mdelay(50); | ||
3631 | ohci_initialize(ohci); | ||
3632 | |||
3633 | return 0; | ||
3634 | } | ||
3585 | #endif /* CONFIG_PM */ | 3635 | #endif /* CONFIG_PM */ |
3586 | 3636 | ||
3587 | #define PCI_CLASS_FIREWIRE_OHCI ((PCI_CLASS_SERIAL_FIREWIRE << 8) | 0x10) | 3637 | #define PCI_CLASS_FIREWIRE_OHCI ((PCI_CLASS_SERIAL_FIREWIRE << 8) | 0x10) |
diff --git a/drivers/ieee1394/pcilynx.c b/drivers/ieee1394/pcilynx.c index 9cab1d661472..13a617917bf2 100644 --- a/drivers/ieee1394/pcilynx.c +++ b/drivers/ieee1394/pcilynx.c | |||
@@ -1428,10 +1428,9 @@ static int __devinit add_card(struct pci_dev *dev, | |||
1428 | struct i2c_algo_bit_data i2c_adapter_data; | 1428 | struct i2c_algo_bit_data i2c_adapter_data; |
1429 | 1429 | ||
1430 | error = -ENOMEM; | 1430 | error = -ENOMEM; |
1431 | i2c_ad = kmalloc(sizeof(*i2c_ad), GFP_KERNEL); | 1431 | i2c_ad = kmemdup(&bit_ops, sizeof(*i2c_ad), GFP_KERNEL); |
1432 | if (!i2c_ad) FAIL("failed to allocate I2C adapter memory"); | 1432 | if (!i2c_ad) FAIL("failed to allocate I2C adapter memory"); |
1433 | 1433 | ||
1434 | memcpy(i2c_ad, &bit_ops, sizeof(struct i2c_adapter)); | ||
1435 | i2c_adapter_data = bit_data; | 1434 | i2c_adapter_data = bit_data; |
1436 | i2c_ad->algo_data = &i2c_adapter_data; | 1435 | i2c_ad->algo_data = &i2c_adapter_data; |
1437 | i2c_adapter_data.data = lynx; | 1436 | i2c_adapter_data.data = lynx; |
diff --git a/drivers/ieee1394/raw1394-private.h b/drivers/ieee1394/raw1394-private.h index c7731d1bcd89..50daabf6e5fa 100644 --- a/drivers/ieee1394/raw1394-private.h +++ b/drivers/ieee1394/raw1394-private.h | |||
@@ -27,12 +27,12 @@ struct file_info { | |||
27 | 27 | ||
28 | struct hpsb_host *host; | 28 | struct hpsb_host *host; |
29 | 29 | ||
30 | struct list_head req_pending; | 30 | struct list_head req_pending; /* protected by reqlists_lock */ |
31 | struct list_head req_complete; | 31 | struct list_head req_complete; /* protected by reqlists_lock */ |
32 | spinlock_t reqlists_lock; | 32 | spinlock_t reqlists_lock; |
33 | wait_queue_head_t wait_complete; | 33 | wait_queue_head_t wait_complete; |
34 | 34 | ||
35 | struct list_head addr_list; | 35 | struct list_head addr_list; /* protected by host_info_lock */ |
36 | 36 | ||
37 | u8 __user *fcp_buffer; | 37 | u8 __user *fcp_buffer; |
38 | 38 | ||
@@ -63,7 +63,7 @@ struct arm_addr { | |||
63 | u8 client_transactions; | 63 | u8 client_transactions; |
64 | u64 recvb; | 64 | u64 recvb; |
65 | u16 rec_length; | 65 | u16 rec_length; |
66 | u8 *addr_space_buffer; /* accessed by read/write/lock */ | 66 | u8 *addr_space_buffer; /* accessed by read/write/lock requests */ |
67 | }; | 67 | }; |
68 | 68 | ||
69 | struct pending_request { | 69 | struct pending_request { |
@@ -79,7 +79,7 @@ struct pending_request { | |||
79 | struct host_info { | 79 | struct host_info { |
80 | struct list_head list; | 80 | struct list_head list; |
81 | struct hpsb_host *host; | 81 | struct hpsb_host *host; |
82 | struct list_head file_info_list; | 82 | struct list_head file_info_list; /* protected by host_info_lock */ |
83 | }; | 83 | }; |
84 | 84 | ||
85 | #endif /* IEEE1394_RAW1394_PRIVATE_H */ | 85 | #endif /* IEEE1394_RAW1394_PRIVATE_H */ |
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index bf71e069eaf5..ad2108f27a04 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c | |||
@@ -99,6 +99,21 @@ static struct hpsb_address_ops arm_ops = { | |||
99 | 99 | ||
100 | static void queue_complete_cb(struct pending_request *req); | 100 | static void queue_complete_cb(struct pending_request *req); |
101 | 101 | ||
102 | #include <asm/current.h> | ||
103 | static void print_old_iso_deprecation(void) | ||
104 | { | ||
105 | static pid_t p; | ||
106 | |||
107 | if (p == current->pid) | ||
108 | return; | ||
109 | p = current->pid; | ||
110 | printk(KERN_WARNING "raw1394: WARNING - Program \"%s\" uses unsupported" | ||
111 | " isochronous request types which will be removed in a next" | ||
112 | " kernel release\n", current->comm); | ||
113 | printk(KERN_WARNING "raw1394: Update your software to use libraw1394's" | ||
114 | " newer interface\n"); | ||
115 | } | ||
116 | |||
102 | static struct pending_request *__alloc_pending_request(gfp_t flags) | 117 | static struct pending_request *__alloc_pending_request(gfp_t flags) |
103 | { | 118 | { |
104 | struct pending_request *req; | 119 | struct pending_request *req; |
@@ -2292,6 +2307,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req) | |||
2292 | return sizeof(struct raw1394_request); | 2307 | return sizeof(struct raw1394_request); |
2293 | 2308 | ||
2294 | case RAW1394_REQ_ISO_SEND: | 2309 | case RAW1394_REQ_ISO_SEND: |
2310 | print_old_iso_deprecation(); | ||
2295 | return handle_iso_send(fi, req, node); | 2311 | return handle_iso_send(fi, req, node); |
2296 | 2312 | ||
2297 | case RAW1394_REQ_ARM_REGISTER: | 2313 | case RAW1394_REQ_ARM_REGISTER: |
@@ -2310,6 +2326,7 @@ static int state_connected(struct file_info *fi, struct pending_request *req) | |||
2310 | return reset_notification(fi, req); | 2326 | return reset_notification(fi, req); |
2311 | 2327 | ||
2312 | case RAW1394_REQ_ISO_LISTEN: | 2328 | case RAW1394_REQ_ISO_LISTEN: |
2329 | print_old_iso_deprecation(); | ||
2313 | handle_iso_listen(fi, req); | 2330 | handle_iso_listen(fi, req); |
2314 | return sizeof(struct raw1394_request); | 2331 | return sizeof(struct raw1394_request); |
2315 | 2332 | ||
@@ -2970,12 +2987,8 @@ static struct ieee1394_device_id raw1394_id_table[] = { | |||
2970 | MODULE_DEVICE_TABLE(ieee1394, raw1394_id_table); | 2987 | MODULE_DEVICE_TABLE(ieee1394, raw1394_id_table); |
2971 | 2988 | ||
2972 | static struct hpsb_protocol_driver raw1394_driver = { | 2989 | static struct hpsb_protocol_driver raw1394_driver = { |
2973 | .name = "raw1394 Driver", | 2990 | .name = "raw1394", |
2974 | .id_table = raw1394_id_table, | 2991 | .id_table = raw1394_id_table, |
2975 | .driver = { | ||
2976 | .name = "raw1394", | ||
2977 | .bus = &ieee1394_bus_type, | ||
2978 | }, | ||
2979 | }; | 2992 | }; |
2980 | 2993 | ||
2981 | /******************************************************************************/ | 2994 | /******************************************************************************/ |
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index cd156d4e779e..e68b80b7340d 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c | |||
@@ -29,13 +29,26 @@ | |||
29 | * driver. It also registers as a SCSI lower-level driver in order to accept | 29 | * driver. It also registers as a SCSI lower-level driver in order to accept |
30 | * SCSI commands for transport using SBP-2. | 30 | * SCSI commands for transport using SBP-2. |
31 | * | 31 | * |
32 | * You may access any attached SBP-2 storage devices as if they were SCSI | 32 | * You may access any attached SBP-2 (usually storage devices) as regular |
33 | * devices (e.g. mount /dev/sda1, fdisk, mkfs, etc.). | 33 | * SCSI devices. E.g. mount /dev/sda1, fdisk, mkfs, etc.. |
34 | * | 34 | * |
35 | * Current Issues: | 35 | * See http://www.t10.org/drafts.htm#sbp2 for the final draft of the SBP-2 |
36 | * specification and for where to purchase the official standard. | ||
36 | * | 37 | * |
37 | * - Error Handling: SCSI aborts and bus reset requests are handled somewhat | 38 | * TODO: |
38 | * but the code needs additional debugging. | 39 | * - look into possible improvements of the SCSI error handlers |
40 | * - handle Unit_Characteristics.mgt_ORB_timeout and .ORB_size | ||
41 | * - handle Logical_Unit_Number.ordered | ||
42 | * - handle src == 1 in status blocks | ||
43 | * - reimplement the DMA mapping in absence of physical DMA so that | ||
44 | * bus_to_virt is no longer required | ||
45 | * - debug the handling of absent physical DMA | ||
46 | * - replace CONFIG_IEEE1394_SBP2_PHYS_DMA by automatic detection | ||
47 | * (this is easy but depends on the previous two TODO items) | ||
48 | * - make the parameter serialize_io configurable per device | ||
49 | * - move all requests to fetch agent registers into non-atomic context, | ||
50 | * replace all usages of sbp2util_node_write_no_wait by true transactions | ||
51 | * Grep for inline FIXME comments below. | ||
39 | */ | 52 | */ |
40 | 53 | ||
41 | #include <linux/blkdev.h> | 54 | #include <linux/blkdev.h> |
@@ -49,7 +62,6 @@ | |||
49 | #include <linux/list.h> | 62 | #include <linux/list.h> |
50 | #include <linux/module.h> | 63 | #include <linux/module.h> |
51 | #include <linux/moduleparam.h> | 64 | #include <linux/moduleparam.h> |
52 | #include <linux/pci.h> | ||
53 | #include <linux/slab.h> | 65 | #include <linux/slab.h> |
54 | #include <linux/spinlock.h> | 66 | #include <linux/spinlock.h> |
55 | #include <linux/stat.h> | 67 | #include <linux/stat.h> |
@@ -98,20 +110,20 @@ | |||
98 | * (probably due to PCI latency/throughput issues with the part). You can | 110 | * (probably due to PCI latency/throughput issues with the part). You can |
99 | * bump down the speed if you are running into problems. | 111 | * bump down the speed if you are running into problems. |
100 | */ | 112 | */ |
101 | static int max_speed = IEEE1394_SPEED_MAX; | 113 | static int sbp2_max_speed = IEEE1394_SPEED_MAX; |
102 | module_param(max_speed, int, 0644); | 114 | module_param_named(max_speed, sbp2_max_speed, int, 0644); |
103 | MODULE_PARM_DESC(max_speed, "Force max speed (3 = 800mb, 2 = 400mb, 1 = 200mb, 0 = 100mb)"); | 115 | MODULE_PARM_DESC(max_speed, "Force max speed " |
116 | "(3 = 800Mb/s, 2 = 400Mb/s, 1 = 200Mb/s, 0 = 100Mb/s)"); | ||
104 | 117 | ||
105 | /* | 118 | /* |
106 | * Set serialize_io to 1 if you'd like only one scsi command sent | 119 | * Set serialize_io to 1 if you'd like only one scsi command sent |
107 | * down to us at a time (debugging). This might be necessary for very | 120 | * down to us at a time (debugging). This might be necessary for very |
108 | * badly behaved sbp2 devices. | 121 | * badly behaved sbp2 devices. |
109 | * | ||
110 | * TODO: Make this configurable per device. | ||
111 | */ | 122 | */ |
112 | static int serialize_io = 1; | 123 | static int sbp2_serialize_io = 1; |
113 | module_param(serialize_io, int, 0444); | 124 | module_param_named(serialize_io, sbp2_serialize_io, int, 0444); |
114 | MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default = 1, faster = 0)"); | 125 | MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers " |
126 | "(default = 1, faster = 0)"); | ||
115 | 127 | ||
116 | /* | 128 | /* |
117 | * Bump up max_sectors if you'd like to support very large sized | 129 | * Bump up max_sectors if you'd like to support very large sized |
@@ -121,10 +133,10 @@ MODULE_PARM_DESC(serialize_io, "Serialize I/O coming from scsi drivers (default | |||
121 | * the Oxsemi sbp2 chipsets have no problems supporting very large | 133 | * the Oxsemi sbp2 chipsets have no problems supporting very large |
122 | * transfer sizes. | 134 | * transfer sizes. |
123 | */ | 135 | */ |
124 | static int max_sectors = SBP2_MAX_SECTORS; | 136 | static int sbp2_max_sectors = SBP2_MAX_SECTORS; |
125 | module_param(max_sectors, int, 0444); | 137 | module_param_named(max_sectors, sbp2_max_sectors, int, 0444); |
126 | MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = " | 138 | MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported " |
127 | __stringify(SBP2_MAX_SECTORS) ")"); | 139 | "(default = " __stringify(SBP2_MAX_SECTORS) ")"); |
128 | 140 | ||
129 | /* | 141 | /* |
130 | * Exclusive login to sbp2 device? In most cases, the sbp2 driver should | 142 | * Exclusive login to sbp2 device? In most cases, the sbp2 driver should |
@@ -139,9 +151,10 @@ MODULE_PARM_DESC(max_sectors, "Change max sectors per I/O supported (default = " | |||
139 | * concurrent logins. Depending on firmware, four or two concurrent logins | 151 | * concurrent logins. Depending on firmware, four or two concurrent logins |
140 | * are possible on OXFW911 and newer Oxsemi bridges. | 152 | * are possible on OXFW911 and newer Oxsemi bridges. |
141 | */ | 153 | */ |
142 | static int exclusive_login = 1; | 154 | static int sbp2_exclusive_login = 1; |
143 | module_param(exclusive_login, int, 0644); | 155 | module_param_named(exclusive_login, sbp2_exclusive_login, int, 0644); |
144 | MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device (default = 1)"); | 156 | MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " |
157 | "(default = 1)"); | ||
145 | 158 | ||
146 | /* | 159 | /* |
147 | * If any of the following workarounds is required for your device to work, | 160 | * If any of the following workarounds is required for your device to work, |
@@ -179,123 +192,123 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" | |||
179 | ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE) | 192 | ", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE) |
180 | ", or a combination)"); | 193 | ", or a combination)"); |
181 | 194 | ||
182 | /* | ||
183 | * Export information about protocols/devices supported by this driver. | ||
184 | */ | ||
185 | static struct ieee1394_device_id sbp2_id_table[] = { | ||
186 | { | ||
187 | .match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION, | ||
188 | .specifier_id = SBP2_UNIT_SPEC_ID_ENTRY & 0xffffff, | ||
189 | .version = SBP2_SW_VERSION_ENTRY & 0xffffff}, | ||
190 | {} | ||
191 | }; | ||
192 | |||
193 | MODULE_DEVICE_TABLE(ieee1394, sbp2_id_table); | ||
194 | |||
195 | /* | ||
196 | * Debug levels, configured via kernel config, or enable here. | ||
197 | */ | ||
198 | |||
199 | #define CONFIG_IEEE1394_SBP2_DEBUG 0 | ||
200 | /* #define CONFIG_IEEE1394_SBP2_DEBUG_ORBS */ | ||
201 | /* #define CONFIG_IEEE1394_SBP2_DEBUG_DMA */ | ||
202 | /* #define CONFIG_IEEE1394_SBP2_DEBUG 1 */ | ||
203 | /* #define CONFIG_IEEE1394_SBP2_DEBUG 2 */ | ||
204 | /* #define CONFIG_IEEE1394_SBP2_PACKET_DUMP */ | ||
205 | |||
206 | #ifdef CONFIG_IEEE1394_SBP2_DEBUG_ORBS | ||
207 | #define SBP2_ORB_DEBUG(fmt, args...) HPSB_ERR("sbp2(%s): "fmt, __FUNCTION__, ## args) | ||
208 | static u32 global_outstanding_command_orbs = 0; | ||
209 | #define outstanding_orb_incr global_outstanding_command_orbs++ | ||
210 | #define outstanding_orb_decr global_outstanding_command_orbs-- | ||
211 | #else | ||
212 | #define SBP2_ORB_DEBUG(fmt, args...) do {} while (0) | ||
213 | #define outstanding_orb_incr do {} while (0) | ||
214 | #define outstanding_orb_decr do {} while (0) | ||
215 | #endif | ||
216 | |||
217 | #ifdef CONFIG_IEEE1394_SBP2_DEBUG_DMA | ||
218 | #define SBP2_DMA_ALLOC(fmt, args...) \ | ||
219 | HPSB_ERR("sbp2(%s)alloc(%d): "fmt, __FUNCTION__, \ | ||
220 | ++global_outstanding_dmas, ## args) | ||
221 | #define SBP2_DMA_FREE(fmt, args...) \ | ||
222 | HPSB_ERR("sbp2(%s)free(%d): "fmt, __FUNCTION__, \ | ||
223 | --global_outstanding_dmas, ## args) | ||
224 | static u32 global_outstanding_dmas = 0; | ||
225 | #else | ||
226 | #define SBP2_DMA_ALLOC(fmt, args...) do {} while (0) | ||
227 | #define SBP2_DMA_FREE(fmt, args...) do {} while (0) | ||
228 | #endif | ||
229 | 195 | ||
230 | #if CONFIG_IEEE1394_SBP2_DEBUG >= 2 | 196 | #define SBP2_INFO(fmt, args...) HPSB_INFO("sbp2: "fmt, ## args) |
231 | #define SBP2_DEBUG(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) | 197 | #define SBP2_ERR(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) |
232 | #define SBP2_INFO(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) | ||
233 | #define SBP2_NOTICE(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) | ||
234 | #define SBP2_WARN(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) | ||
235 | #elif CONFIG_IEEE1394_SBP2_DEBUG == 1 | ||
236 | #define SBP2_DEBUG(fmt, args...) HPSB_DEBUG("sbp2: "fmt, ## args) | ||
237 | #define SBP2_INFO(fmt, args...) HPSB_INFO("sbp2: "fmt, ## args) | ||
238 | #define SBP2_NOTICE(fmt, args...) HPSB_NOTICE("sbp2: "fmt, ## args) | ||
239 | #define SBP2_WARN(fmt, args...) HPSB_WARN("sbp2: "fmt, ## args) | ||
240 | #else | ||
241 | #define SBP2_DEBUG(fmt, args...) do {} while (0) | ||
242 | #define SBP2_INFO(fmt, args...) HPSB_INFO("sbp2: "fmt, ## args) | ||
243 | #define SBP2_NOTICE(fmt, args...) HPSB_NOTICE("sbp2: "fmt, ## args) | ||
244 | #define SBP2_WARN(fmt, args...) HPSB_WARN("sbp2: "fmt, ## args) | ||
245 | #endif | ||
246 | |||
247 | #define SBP2_ERR(fmt, args...) HPSB_ERR("sbp2: "fmt, ## args) | ||
248 | #define SBP2_DEBUG_ENTER() SBP2_DEBUG("%s", __FUNCTION__) | ||
249 | 198 | ||
250 | /* | 199 | /* |
251 | * Globals | 200 | * Globals |
252 | */ | 201 | */ |
202 | static void sbp2scsi_complete_all_commands(struct sbp2_lu *, u32); | ||
203 | static void sbp2scsi_complete_command(struct sbp2_lu *, u32, struct scsi_cmnd *, | ||
204 | void (*)(struct scsi_cmnd *)); | ||
205 | static struct sbp2_lu *sbp2_alloc_device(struct unit_directory *); | ||
206 | static int sbp2_start_device(struct sbp2_lu *); | ||
207 | static void sbp2_remove_device(struct sbp2_lu *); | ||
208 | static int sbp2_login_device(struct sbp2_lu *); | ||
209 | static int sbp2_reconnect_device(struct sbp2_lu *); | ||
210 | static int sbp2_logout_device(struct sbp2_lu *); | ||
211 | static void sbp2_host_reset(struct hpsb_host *); | ||
212 | static int sbp2_handle_status_write(struct hpsb_host *, int, int, quadlet_t *, | ||
213 | u64, size_t, u16); | ||
214 | static int sbp2_agent_reset(struct sbp2_lu *, int); | ||
215 | static void sbp2_parse_unit_directory(struct sbp2_lu *, | ||
216 | struct unit_directory *); | ||
217 | static int sbp2_set_busy_timeout(struct sbp2_lu *); | ||
218 | static int sbp2_max_speed_and_size(struct sbp2_lu *); | ||
253 | 219 | ||
254 | static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id, | ||
255 | u32 status); | ||
256 | |||
257 | static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, | ||
258 | u32 scsi_status, struct scsi_cmnd *SCpnt, | ||
259 | void (*done)(struct scsi_cmnd *)); | ||
260 | |||
261 | static struct scsi_host_template scsi_driver_template; | ||
262 | 220 | ||
263 | static const u8 sbp2_speedto_max_payload[] = { 0x7, 0x8, 0x9, 0xA, 0xB, 0xC }; | 221 | static const u8 sbp2_speedto_max_payload[] = { 0x7, 0x8, 0x9, 0xA, 0xB, 0xC }; |
264 | 222 | ||
265 | static void sbp2_host_reset(struct hpsb_host *host); | ||
266 | |||
267 | static int sbp2_probe(struct device *dev); | ||
268 | static int sbp2_remove(struct device *dev); | ||
269 | static int sbp2_update(struct unit_directory *ud); | ||
270 | |||
271 | static struct hpsb_highlevel sbp2_highlevel = { | 223 | static struct hpsb_highlevel sbp2_highlevel = { |
272 | .name = SBP2_DEVICE_NAME, | 224 | .name = SBP2_DEVICE_NAME, |
273 | .host_reset = sbp2_host_reset, | 225 | .host_reset = sbp2_host_reset, |
274 | }; | 226 | }; |
275 | 227 | ||
276 | static struct hpsb_address_ops sbp2_ops = { | 228 | static struct hpsb_address_ops sbp2_ops = { |
277 | .write = sbp2_handle_status_write | 229 | .write = sbp2_handle_status_write |
278 | }; | 230 | }; |
279 | 231 | ||
280 | #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA | 232 | #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA |
233 | static int sbp2_handle_physdma_write(struct hpsb_host *, int, int, quadlet_t *, | ||
234 | u64, size_t, u16); | ||
235 | static int sbp2_handle_physdma_read(struct hpsb_host *, int, quadlet_t *, u64, | ||
236 | size_t, u16); | ||
237 | |||
281 | static struct hpsb_address_ops sbp2_physdma_ops = { | 238 | static struct hpsb_address_ops sbp2_physdma_ops = { |
282 | .read = sbp2_handle_physdma_read, | 239 | .read = sbp2_handle_physdma_read, |
283 | .write = sbp2_handle_physdma_write, | 240 | .write = sbp2_handle_physdma_write, |
284 | }; | 241 | }; |
285 | #endif | 242 | #endif |
286 | 243 | ||
244 | |||
245 | /* | ||
246 | * Interface to driver core and IEEE 1394 core | ||
247 | */ | ||
248 | static struct ieee1394_device_id sbp2_id_table[] = { | ||
249 | { | ||
250 | .match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION, | ||
251 | .specifier_id = SBP2_UNIT_SPEC_ID_ENTRY & 0xffffff, | ||
252 | .version = SBP2_SW_VERSION_ENTRY & 0xffffff}, | ||
253 | {} | ||
254 | }; | ||
255 | MODULE_DEVICE_TABLE(ieee1394, sbp2_id_table); | ||
256 | |||
257 | static int sbp2_probe(struct device *); | ||
258 | static int sbp2_remove(struct device *); | ||
259 | static int sbp2_update(struct unit_directory *); | ||
260 | |||
287 | static struct hpsb_protocol_driver sbp2_driver = { | 261 | static struct hpsb_protocol_driver sbp2_driver = { |
288 | .name = "SBP2 Driver", | 262 | .name = SBP2_DEVICE_NAME, |
289 | .id_table = sbp2_id_table, | 263 | .id_table = sbp2_id_table, |
290 | .update = sbp2_update, | 264 | .update = sbp2_update, |
291 | .driver = { | 265 | .driver = { |
292 | .name = SBP2_DEVICE_NAME, | ||
293 | .bus = &ieee1394_bus_type, | ||
294 | .probe = sbp2_probe, | 266 | .probe = sbp2_probe, |
295 | .remove = sbp2_remove, | 267 | .remove = sbp2_remove, |
296 | }, | 268 | }, |
297 | }; | 269 | }; |
298 | 270 | ||
271 | |||
272 | /* | ||
273 | * Interface to SCSI core | ||
274 | */ | ||
275 | static int sbp2scsi_queuecommand(struct scsi_cmnd *, | ||
276 | void (*)(struct scsi_cmnd *)); | ||
277 | static int sbp2scsi_abort(struct scsi_cmnd *); | ||
278 | static int sbp2scsi_reset(struct scsi_cmnd *); | ||
279 | static int sbp2scsi_slave_alloc(struct scsi_device *); | ||
280 | static int sbp2scsi_slave_configure(struct scsi_device *); | ||
281 | static void sbp2scsi_slave_destroy(struct scsi_device *); | ||
282 | static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *, | ||
283 | struct device_attribute *, char *); | ||
284 | |||
285 | static DEVICE_ATTR(ieee1394_id, S_IRUGO, sbp2_sysfs_ieee1394_id_show, NULL); | ||
286 | |||
287 | static struct device_attribute *sbp2_sysfs_sdev_attrs[] = { | ||
288 | &dev_attr_ieee1394_id, | ||
289 | NULL | ||
290 | }; | ||
291 | |||
292 | static struct scsi_host_template sbp2_shost_template = { | ||
293 | .module = THIS_MODULE, | ||
294 | .name = "SBP-2 IEEE-1394", | ||
295 | .proc_name = SBP2_DEVICE_NAME, | ||
296 | .queuecommand = sbp2scsi_queuecommand, | ||
297 | .eh_abort_handler = sbp2scsi_abort, | ||
298 | .eh_device_reset_handler = sbp2scsi_reset, | ||
299 | .slave_alloc = sbp2scsi_slave_alloc, | ||
300 | .slave_configure = sbp2scsi_slave_configure, | ||
301 | .slave_destroy = sbp2scsi_slave_destroy, | ||
302 | .this_id = -1, | ||
303 | .sg_tablesize = SG_ALL, | ||
304 | .use_clustering = ENABLE_CLUSTERING, | ||
305 | .cmd_per_lun = SBP2_MAX_CMDS, | ||
306 | .can_queue = SBP2_MAX_CMDS, | ||
307 | .emulated = 1, | ||
308 | .sdev_attrs = sbp2_sysfs_sdev_attrs, | ||
309 | }; | ||
310 | |||
311 | |||
299 | /* | 312 | /* |
300 | * List of devices with known bugs. | 313 | * List of devices with known bugs. |
301 | * | 314 | * |
@@ -363,8 +376,6 @@ static inline void sbp2util_be32_to_cpu_buffer(void *buffer, int length) | |||
363 | 376 | ||
364 | for (length = (length >> 2); length--; ) | 377 | for (length = (length >> 2); length--; ) |
365 | temp[length] = be32_to_cpu(temp[length]); | 378 | temp[length] = be32_to_cpu(temp[length]); |
366 | |||
367 | return; | ||
368 | } | 379 | } |
369 | 380 | ||
370 | /* | 381 | /* |
@@ -376,8 +387,6 @@ static inline void sbp2util_cpu_to_be32_buffer(void *buffer, int length) | |||
376 | 387 | ||
377 | for (length = (length >> 2); length--; ) | 388 | for (length = (length >> 2); length--; ) |
378 | temp[length] = cpu_to_be32(temp[length]); | 389 | temp[length] = cpu_to_be32(temp[length]); |
379 | |||
380 | return; | ||
381 | } | 390 | } |
382 | #else /* BIG_ENDIAN */ | 391 | #else /* BIG_ENDIAN */ |
383 | /* Why waste the cpu cycles? */ | 392 | /* Why waste the cpu cycles? */ |
@@ -385,344 +394,246 @@ static inline void sbp2util_cpu_to_be32_buffer(void *buffer, int length) | |||
385 | #define sbp2util_cpu_to_be32_buffer(x,y) do {} while (0) | 394 | #define sbp2util_cpu_to_be32_buffer(x,y) do {} while (0) |
386 | #endif | 395 | #endif |
387 | 396 | ||
388 | #ifdef CONFIG_IEEE1394_SBP2_PACKET_DUMP | 397 | static DECLARE_WAIT_QUEUE_HEAD(sbp2_access_wq); |
389 | /* | ||
390 | * Debug packet dump routine. Length is in bytes. | ||
391 | */ | ||
392 | static void sbp2util_packet_dump(void *buffer, int length, char *dump_name, | ||
393 | u32 dump_phys_addr) | ||
394 | { | ||
395 | int i; | ||
396 | unsigned char *dump = buffer; | ||
397 | |||
398 | if (!dump || !length || !dump_name) | ||
399 | return; | ||
400 | |||
401 | if (dump_phys_addr) | ||
402 | printk("[%s, 0x%x]", dump_name, dump_phys_addr); | ||
403 | else | ||
404 | printk("[%s]", dump_name); | ||
405 | for (i = 0; i < length; i++) { | ||
406 | if (i > 0x3f) { | ||
407 | printk("\n ..."); | ||
408 | break; | ||
409 | } | ||
410 | if ((i & 0x3) == 0) | ||
411 | printk(" "); | ||
412 | if ((i & 0xf) == 0) | ||
413 | printk("\n "); | ||
414 | printk("%02x ", (int)dump[i]); | ||
415 | } | ||
416 | printk("\n"); | ||
417 | |||
418 | return; | ||
419 | } | ||
420 | #else | ||
421 | #define sbp2util_packet_dump(w,x,y,z) do {} while (0) | ||
422 | #endif | ||
423 | |||
424 | static DECLARE_WAIT_QUEUE_HEAD(access_wq); | ||
425 | 398 | ||
426 | /* | 399 | /* |
427 | * Waits for completion of an SBP-2 access request. | 400 | * Waits for completion of an SBP-2 access request. |
428 | * Returns nonzero if timed out or prematurely interrupted. | 401 | * Returns nonzero if timed out or prematurely interrupted. |
429 | */ | 402 | */ |
430 | static int sbp2util_access_timeout(struct scsi_id_instance_data *scsi_id, | 403 | static int sbp2util_access_timeout(struct sbp2_lu *lu, int timeout) |
431 | int timeout) | ||
432 | { | 404 | { |
433 | long leftover = wait_event_interruptible_timeout( | 405 | long leftover; |
434 | access_wq, scsi_id->access_complete, timeout); | ||
435 | 406 | ||
436 | scsi_id->access_complete = 0; | 407 | leftover = wait_event_interruptible_timeout( |
408 | sbp2_access_wq, lu->access_complete, timeout); | ||
409 | lu->access_complete = 0; | ||
437 | return leftover <= 0; | 410 | return leftover <= 0; |
438 | } | 411 | } |
439 | 412 | ||
440 | /* Frees an allocated packet */ | 413 | static void sbp2_free_packet(void *packet) |
441 | static void sbp2_free_packet(struct hpsb_packet *packet) | ||
442 | { | 414 | { |
443 | hpsb_free_tlabel(packet); | 415 | hpsb_free_tlabel(packet); |
444 | hpsb_free_packet(packet); | 416 | hpsb_free_packet(packet); |
445 | } | 417 | } |
446 | 418 | ||
447 | /* This is much like hpsb_node_write(), except it ignores the response | 419 | /* |
448 | * subaction and returns immediately. Can be used from interrupts. | 420 | * This is much like hpsb_node_write(), except it ignores the response |
421 | * subaction and returns immediately. Can be used from atomic context. | ||
449 | */ | 422 | */ |
450 | static int sbp2util_node_write_no_wait(struct node_entry *ne, u64 addr, | 423 | static int sbp2util_node_write_no_wait(struct node_entry *ne, u64 addr, |
451 | quadlet_t *buffer, size_t length) | 424 | quadlet_t *buf, size_t len) |
452 | { | 425 | { |
453 | struct hpsb_packet *packet; | 426 | struct hpsb_packet *packet; |
454 | 427 | ||
455 | packet = hpsb_make_writepacket(ne->host, ne->nodeid, | 428 | packet = hpsb_make_writepacket(ne->host, ne->nodeid, addr, buf, len); |
456 | addr, buffer, length); | ||
457 | if (!packet) | 429 | if (!packet) |
458 | return -ENOMEM; | 430 | return -ENOMEM; |
459 | 431 | ||
460 | hpsb_set_packet_complete_task(packet, | 432 | hpsb_set_packet_complete_task(packet, sbp2_free_packet, packet); |
461 | (void (*)(void *))sbp2_free_packet, | ||
462 | packet); | ||
463 | |||
464 | hpsb_node_fill_packet(ne, packet); | 433 | hpsb_node_fill_packet(ne, packet); |
465 | |||
466 | if (hpsb_send_packet(packet) < 0) { | 434 | if (hpsb_send_packet(packet) < 0) { |
467 | sbp2_free_packet(packet); | 435 | sbp2_free_packet(packet); |
468 | return -EIO; | 436 | return -EIO; |
469 | } | 437 | } |
470 | |||
471 | return 0; | 438 | return 0; |
472 | } | 439 | } |
473 | 440 | ||
474 | static void sbp2util_notify_fetch_agent(struct scsi_id_instance_data *scsi_id, | 441 | static void sbp2util_notify_fetch_agent(struct sbp2_lu *lu, u64 offset, |
475 | u64 offset, quadlet_t *data, size_t len) | 442 | quadlet_t *data, size_t len) |
476 | { | 443 | { |
477 | /* | 444 | /* There is a small window after a bus reset within which the node |
478 | * There is a small window after a bus reset within which the node | 445 | * entry's generation is current but the reconnect wasn't completed. */ |
479 | * entry's generation is current but the reconnect wasn't completed. | 446 | if (unlikely(atomic_read(&lu->state) == SBP2LU_STATE_IN_RESET)) |
480 | */ | ||
481 | if (unlikely(atomic_read(&scsi_id->state) == SBP2LU_STATE_IN_RESET)) | ||
482 | return; | 447 | return; |
483 | 448 | ||
484 | if (hpsb_node_write(scsi_id->ne, | 449 | if (hpsb_node_write(lu->ne, lu->command_block_agent_addr + offset, |
485 | scsi_id->sbp2_command_block_agent_addr + offset, | ||
486 | data, len)) | 450 | data, len)) |
487 | SBP2_ERR("sbp2util_notify_fetch_agent failed."); | 451 | SBP2_ERR("sbp2util_notify_fetch_agent failed."); |
488 | /* | 452 | |
489 | * Now accept new SCSI commands, unless a bus reset happended during | 453 | /* Now accept new SCSI commands, unless a bus reset happended during |
490 | * hpsb_node_write. | 454 | * hpsb_node_write. */ |
491 | */ | 455 | if (likely(atomic_read(&lu->state) != SBP2LU_STATE_IN_RESET)) |
492 | if (likely(atomic_read(&scsi_id->state) != SBP2LU_STATE_IN_RESET)) | 456 | scsi_unblock_requests(lu->shost); |
493 | scsi_unblock_requests(scsi_id->scsi_host); | ||
494 | } | 457 | } |
495 | 458 | ||
496 | static void sbp2util_write_orb_pointer(struct work_struct *work) | 459 | static void sbp2util_write_orb_pointer(struct work_struct *work) |
497 | { | 460 | { |
498 | struct scsi_id_instance_data *scsi_id = | 461 | struct sbp2_lu *lu = container_of(work, struct sbp2_lu, protocol_work); |
499 | container_of(work, struct scsi_id_instance_data, | ||
500 | protocol_work.work); | ||
501 | quadlet_t data[2]; | 462 | quadlet_t data[2]; |
502 | 463 | ||
503 | data[0] = ORB_SET_NODE_ID(scsi_id->hi->host->node_id); | 464 | data[0] = ORB_SET_NODE_ID(lu->hi->host->node_id); |
504 | data[1] = scsi_id->last_orb_dma; | 465 | data[1] = lu->last_orb_dma; |
505 | sbp2util_cpu_to_be32_buffer(data, 8); | 466 | sbp2util_cpu_to_be32_buffer(data, 8); |
506 | sbp2util_notify_fetch_agent(scsi_id, SBP2_ORB_POINTER_OFFSET, data, 8); | 467 | sbp2util_notify_fetch_agent(lu, SBP2_ORB_POINTER_OFFSET, data, 8); |
507 | } | 468 | } |
508 | 469 | ||
509 | static void sbp2util_write_doorbell(struct work_struct *work) | 470 | static void sbp2util_write_doorbell(struct work_struct *work) |
510 | { | 471 | { |
511 | struct scsi_id_instance_data *scsi_id = | 472 | struct sbp2_lu *lu = container_of(work, struct sbp2_lu, protocol_work); |
512 | container_of(work, struct scsi_id_instance_data, | 473 | |
513 | protocol_work.work); | 474 | sbp2util_notify_fetch_agent(lu, SBP2_DOORBELL_OFFSET, NULL, 4); |
514 | sbp2util_notify_fetch_agent(scsi_id, SBP2_DOORBELL_OFFSET, NULL, 4); | ||
515 | } | 475 | } |
516 | 476 | ||
517 | /* | 477 | static int sbp2util_create_command_orb_pool(struct sbp2_lu *lu) |
518 | * This function is called to create a pool of command orbs used for | ||
519 | * command processing. It is called when a new sbp2 device is detected. | ||
520 | */ | ||
521 | static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id) | ||
522 | { | 478 | { |
523 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 479 | struct sbp2_fwhost_info *hi = lu->hi; |
524 | int i; | 480 | int i; |
525 | unsigned long flags, orbs; | 481 | unsigned long flags, orbs; |
526 | struct sbp2_command_info *command; | 482 | struct sbp2_command_info *cmd; |
527 | 483 | ||
528 | orbs = serialize_io ? 2 : SBP2_MAX_CMDS; | 484 | orbs = sbp2_serialize_io ? 2 : SBP2_MAX_CMDS; |
529 | 485 | ||
530 | spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); | 486 | spin_lock_irqsave(&lu->cmd_orb_lock, flags); |
531 | for (i = 0; i < orbs; i++) { | 487 | for (i = 0; i < orbs; i++) { |
532 | command = kzalloc(sizeof(*command), GFP_ATOMIC); | 488 | cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); |
533 | if (!command) { | 489 | if (!cmd) { |
534 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, | 490 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
535 | flags); | ||
536 | return -ENOMEM; | 491 | return -ENOMEM; |
537 | } | 492 | } |
538 | command->command_orb_dma = | 493 | cmd->command_orb_dma = dma_map_single(&hi->host->device, |
539 | pci_map_single(hi->host->pdev, &command->command_orb, | 494 | &cmd->command_orb, |
540 | sizeof(struct sbp2_command_orb), | 495 | sizeof(struct sbp2_command_orb), |
541 | PCI_DMA_TODEVICE); | 496 | DMA_TO_DEVICE); |
542 | SBP2_DMA_ALLOC("single command orb DMA"); | 497 | cmd->sge_dma = dma_map_single(&hi->host->device, |
543 | command->sge_dma = | 498 | &cmd->scatter_gather_element, |
544 | pci_map_single(hi->host->pdev, | 499 | sizeof(cmd->scatter_gather_element), |
545 | &command->scatter_gather_element, | 500 | DMA_BIDIRECTIONAL); |
546 | sizeof(command->scatter_gather_element), | 501 | INIT_LIST_HEAD(&cmd->list); |
547 | PCI_DMA_BIDIRECTIONAL); | 502 | list_add_tail(&cmd->list, &lu->cmd_orb_completed); |
548 | SBP2_DMA_ALLOC("scatter_gather_element"); | 503 | } |
549 | INIT_LIST_HEAD(&command->list); | 504 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
550 | list_add_tail(&command->list, &scsi_id->sbp2_command_orb_completed); | ||
551 | } | ||
552 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | ||
553 | return 0; | 505 | return 0; |
554 | } | 506 | } |
555 | 507 | ||
556 | /* | 508 | static void sbp2util_remove_command_orb_pool(struct sbp2_lu *lu) |
557 | * This function is called to delete a pool of command orbs. | ||
558 | */ | ||
559 | static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_id) | ||
560 | { | 509 | { |
561 | struct hpsb_host *host = scsi_id->hi->host; | 510 | struct hpsb_host *host = lu->hi->host; |
562 | struct list_head *lh, *next; | 511 | struct list_head *lh, *next; |
563 | struct sbp2_command_info *command; | 512 | struct sbp2_command_info *cmd; |
564 | unsigned long flags; | 513 | unsigned long flags; |
565 | 514 | ||
566 | spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); | 515 | spin_lock_irqsave(&lu->cmd_orb_lock, flags); |
567 | if (!list_empty(&scsi_id->sbp2_command_orb_completed)) { | 516 | if (!list_empty(&lu->cmd_orb_completed)) |
568 | list_for_each_safe(lh, next, &scsi_id->sbp2_command_orb_completed) { | 517 | list_for_each_safe(lh, next, &lu->cmd_orb_completed) { |
569 | command = list_entry(lh, struct sbp2_command_info, list); | 518 | cmd = list_entry(lh, struct sbp2_command_info, list); |
570 | 519 | dma_unmap_single(&host->device, cmd->command_orb_dma, | |
571 | /* Release our generic DMA's */ | ||
572 | pci_unmap_single(host->pdev, command->command_orb_dma, | ||
573 | sizeof(struct sbp2_command_orb), | 520 | sizeof(struct sbp2_command_orb), |
574 | PCI_DMA_TODEVICE); | 521 | DMA_TO_DEVICE); |
575 | SBP2_DMA_FREE("single command orb DMA"); | 522 | dma_unmap_single(&host->device, cmd->sge_dma, |
576 | pci_unmap_single(host->pdev, command->sge_dma, | 523 | sizeof(cmd->scatter_gather_element), |
577 | sizeof(command->scatter_gather_element), | 524 | DMA_BIDIRECTIONAL); |
578 | PCI_DMA_BIDIRECTIONAL); | 525 | kfree(cmd); |
579 | SBP2_DMA_FREE("scatter_gather_element"); | ||
580 | |||
581 | kfree(command); | ||
582 | } | 526 | } |
583 | } | 527 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
584 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | ||
585 | return; | 528 | return; |
586 | } | 529 | } |
587 | 530 | ||
588 | /* | 531 | /* |
589 | * This function finds the sbp2_command for a given outstanding command | 532 | * Finds the sbp2_command for a given outstanding command ORB. |
590 | * orb.Only looks at the inuse list. | 533 | * Only looks at the in-use list. |
591 | */ | 534 | */ |
592 | static struct sbp2_command_info *sbp2util_find_command_for_orb( | 535 | static struct sbp2_command_info *sbp2util_find_command_for_orb( |
593 | struct scsi_id_instance_data *scsi_id, dma_addr_t orb) | 536 | struct sbp2_lu *lu, dma_addr_t orb) |
594 | { | 537 | { |
595 | struct sbp2_command_info *command; | 538 | struct sbp2_command_info *cmd; |
596 | unsigned long flags; | 539 | unsigned long flags; |
597 | 540 | ||
598 | spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); | 541 | spin_lock_irqsave(&lu->cmd_orb_lock, flags); |
599 | if (!list_empty(&scsi_id->sbp2_command_orb_inuse)) { | 542 | if (!list_empty(&lu->cmd_orb_inuse)) |
600 | list_for_each_entry(command, &scsi_id->sbp2_command_orb_inuse, list) { | 543 | list_for_each_entry(cmd, &lu->cmd_orb_inuse, list) |
601 | if (command->command_orb_dma == orb) { | 544 | if (cmd->command_orb_dma == orb) { |
602 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | 545 | spin_unlock_irqrestore( |
603 | return command; | 546 | &lu->cmd_orb_lock, flags); |
547 | return cmd; | ||
604 | } | 548 | } |
605 | } | 549 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
606 | } | ||
607 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | ||
608 | |||
609 | SBP2_ORB_DEBUG("could not match command orb %x", (unsigned int)orb); | ||
610 | |||
611 | return NULL; | 550 | return NULL; |
612 | } | 551 | } |
613 | 552 | ||
614 | /* | 553 | /* |
615 | * This function finds the sbp2_command for a given outstanding SCpnt. | 554 | * Finds the sbp2_command for a given outstanding SCpnt. |
616 | * Only looks at the inuse list. | 555 | * Only looks at the in-use list. |
617 | * Must be called with scsi_id->sbp2_command_orb_lock held. | 556 | * Must be called with lu->cmd_orb_lock held. |
618 | */ | 557 | */ |
619 | static struct sbp2_command_info *sbp2util_find_command_for_SCpnt( | 558 | static struct sbp2_command_info *sbp2util_find_command_for_SCpnt( |
620 | struct scsi_id_instance_data *scsi_id, void *SCpnt) | 559 | struct sbp2_lu *lu, void *SCpnt) |
621 | { | 560 | { |
622 | struct sbp2_command_info *command; | 561 | struct sbp2_command_info *cmd; |
623 | 562 | ||
624 | if (!list_empty(&scsi_id->sbp2_command_orb_inuse)) | 563 | if (!list_empty(&lu->cmd_orb_inuse)) |
625 | list_for_each_entry(command, &scsi_id->sbp2_command_orb_inuse, list) | 564 | list_for_each_entry(cmd, &lu->cmd_orb_inuse, list) |
626 | if (command->Current_SCpnt == SCpnt) | 565 | if (cmd->Current_SCpnt == SCpnt) |
627 | return command; | 566 | return cmd; |
628 | return NULL; | 567 | return NULL; |
629 | } | 568 | } |
630 | 569 | ||
631 | /* | ||
632 | * This function allocates a command orb used to send a scsi command. | ||
633 | */ | ||
634 | static struct sbp2_command_info *sbp2util_allocate_command_orb( | 570 | static struct sbp2_command_info *sbp2util_allocate_command_orb( |
635 | struct scsi_id_instance_data *scsi_id, | 571 | struct sbp2_lu *lu, |
636 | struct scsi_cmnd *Current_SCpnt, | 572 | struct scsi_cmnd *Current_SCpnt, |
637 | void (*Current_done)(struct scsi_cmnd *)) | 573 | void (*Current_done)(struct scsi_cmnd *)) |
638 | { | 574 | { |
639 | struct list_head *lh; | 575 | struct list_head *lh; |
640 | struct sbp2_command_info *command = NULL; | 576 | struct sbp2_command_info *cmd = NULL; |
641 | unsigned long flags; | 577 | unsigned long flags; |
642 | 578 | ||
643 | spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); | 579 | spin_lock_irqsave(&lu->cmd_orb_lock, flags); |
644 | if (!list_empty(&scsi_id->sbp2_command_orb_completed)) { | 580 | if (!list_empty(&lu->cmd_orb_completed)) { |
645 | lh = scsi_id->sbp2_command_orb_completed.next; | 581 | lh = lu->cmd_orb_completed.next; |
646 | list_del(lh); | 582 | list_del(lh); |
647 | command = list_entry(lh, struct sbp2_command_info, list); | 583 | cmd = list_entry(lh, struct sbp2_command_info, list); |
648 | command->Current_done = Current_done; | 584 | cmd->Current_done = Current_done; |
649 | command->Current_SCpnt = Current_SCpnt; | 585 | cmd->Current_SCpnt = Current_SCpnt; |
650 | list_add_tail(&command->list, &scsi_id->sbp2_command_orb_inuse); | 586 | list_add_tail(&cmd->list, &lu->cmd_orb_inuse); |
651 | } else { | 587 | } else |
652 | SBP2_ERR("%s: no orbs available", __FUNCTION__); | 588 | SBP2_ERR("%s: no orbs available", __FUNCTION__); |
653 | } | 589 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
654 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | 590 | return cmd; |
655 | return command; | ||
656 | } | ||
657 | |||
658 | /* Free our DMA's */ | ||
659 | static void sbp2util_free_command_dma(struct sbp2_command_info *command) | ||
660 | { | ||
661 | struct scsi_id_instance_data *scsi_id = | ||
662 | (struct scsi_id_instance_data *)command->Current_SCpnt->device->host->hostdata[0]; | ||
663 | struct hpsb_host *host; | ||
664 | |||
665 | if (!scsi_id) { | ||
666 | SBP2_ERR("%s: scsi_id == NULL", __FUNCTION__); | ||
667 | return; | ||
668 | } | ||
669 | |||
670 | host = scsi_id->ud->ne->host; | ||
671 | |||
672 | if (command->cmd_dma) { | ||
673 | if (command->dma_type == CMD_DMA_SINGLE) { | ||
674 | pci_unmap_single(host->pdev, command->cmd_dma, | ||
675 | command->dma_size, command->dma_dir); | ||
676 | SBP2_DMA_FREE("single bulk"); | ||
677 | } else if (command->dma_type == CMD_DMA_PAGE) { | ||
678 | pci_unmap_page(host->pdev, command->cmd_dma, | ||
679 | command->dma_size, command->dma_dir); | ||
680 | SBP2_DMA_FREE("single page"); | ||
681 | } /* XXX: Check for CMD_DMA_NONE bug */ | ||
682 | command->dma_type = CMD_DMA_NONE; | ||
683 | command->cmd_dma = 0; | ||
684 | } | ||
685 | |||
686 | if (command->sge_buffer) { | ||
687 | pci_unmap_sg(host->pdev, command->sge_buffer, | ||
688 | command->dma_size, command->dma_dir); | ||
689 | SBP2_DMA_FREE("scatter list"); | ||
690 | command->sge_buffer = NULL; | ||
691 | } | ||
692 | } | 591 | } |
693 | 592 | ||
694 | /* | 593 | /* |
695 | * This function moves a command to the completed orb list. | 594 | * Unmaps the DMAs of a command and moves the command to the completed ORB list. |
696 | * Must be called with scsi_id->sbp2_command_orb_lock held. | 595 | * Must be called with lu->cmd_orb_lock held. |
697 | */ | 596 | */ |
698 | static void sbp2util_mark_command_completed( | 597 | static void sbp2util_mark_command_completed(struct sbp2_lu *lu, |
699 | struct scsi_id_instance_data *scsi_id, | 598 | struct sbp2_command_info *cmd) |
700 | struct sbp2_command_info *command) | ||
701 | { | 599 | { |
702 | list_del(&command->list); | 600 | struct hpsb_host *host = lu->ud->ne->host; |
703 | sbp2util_free_command_dma(command); | 601 | |
704 | list_add_tail(&command->list, &scsi_id->sbp2_command_orb_completed); | 602 | if (cmd->cmd_dma) { |
603 | if (cmd->dma_type == CMD_DMA_SINGLE) | ||
604 | dma_unmap_single(&host->device, cmd->cmd_dma, | ||
605 | cmd->dma_size, cmd->dma_dir); | ||
606 | else if (cmd->dma_type == CMD_DMA_PAGE) | ||
607 | dma_unmap_page(&host->device, cmd->cmd_dma, | ||
608 | cmd->dma_size, cmd->dma_dir); | ||
609 | /* XXX: Check for CMD_DMA_NONE bug */ | ||
610 | cmd->dma_type = CMD_DMA_NONE; | ||
611 | cmd->cmd_dma = 0; | ||
612 | } | ||
613 | if (cmd->sge_buffer) { | ||
614 | dma_unmap_sg(&host->device, cmd->sge_buffer, | ||
615 | cmd->dma_size, cmd->dma_dir); | ||
616 | cmd->sge_buffer = NULL; | ||
617 | } | ||
618 | list_move_tail(&cmd->list, &lu->cmd_orb_completed); | ||
705 | } | 619 | } |
706 | 620 | ||
707 | /* | 621 | /* |
708 | * Is scsi_id valid? Is the 1394 node still present? | 622 | * Is lu valid? Is the 1394 node still present? |
709 | */ | 623 | */ |
710 | static inline int sbp2util_node_is_available(struct scsi_id_instance_data *scsi_id) | 624 | static inline int sbp2util_node_is_available(struct sbp2_lu *lu) |
711 | { | 625 | { |
712 | return scsi_id && scsi_id->ne && !scsi_id->ne->in_limbo; | 626 | return lu && lu->ne && !lu->ne->in_limbo; |
713 | } | 627 | } |
714 | 628 | ||
715 | /********************************************* | 629 | /********************************************* |
716 | * IEEE-1394 core driver stack related section | 630 | * IEEE-1394 core driver stack related section |
717 | *********************************************/ | 631 | *********************************************/ |
718 | static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud); | ||
719 | 632 | ||
720 | static int sbp2_probe(struct device *dev) | 633 | static int sbp2_probe(struct device *dev) |
721 | { | 634 | { |
722 | struct unit_directory *ud; | 635 | struct unit_directory *ud; |
723 | struct scsi_id_instance_data *scsi_id; | 636 | struct sbp2_lu *lu; |
724 | |||
725 | SBP2_DEBUG_ENTER(); | ||
726 | 637 | ||
727 | ud = container_of(dev, struct unit_directory, device); | 638 | ud = container_of(dev, struct unit_directory, device); |
728 | 639 | ||
@@ -731,67 +642,58 @@ static int sbp2_probe(struct device *dev) | |||
731 | if (ud->flags & UNIT_DIRECTORY_HAS_LUN_DIRECTORY) | 642 | if (ud->flags & UNIT_DIRECTORY_HAS_LUN_DIRECTORY) |
732 | return -ENODEV; | 643 | return -ENODEV; |
733 | 644 | ||
734 | scsi_id = sbp2_alloc_device(ud); | 645 | lu = sbp2_alloc_device(ud); |
735 | 646 | if (!lu) | |
736 | if (!scsi_id) | ||
737 | return -ENOMEM; | 647 | return -ENOMEM; |
738 | 648 | ||
739 | sbp2_parse_unit_directory(scsi_id, ud); | 649 | sbp2_parse_unit_directory(lu, ud); |
740 | 650 | return sbp2_start_device(lu); | |
741 | return sbp2_start_device(scsi_id); | ||
742 | } | 651 | } |
743 | 652 | ||
744 | static int sbp2_remove(struct device *dev) | 653 | static int sbp2_remove(struct device *dev) |
745 | { | 654 | { |
746 | struct unit_directory *ud; | 655 | struct unit_directory *ud; |
747 | struct scsi_id_instance_data *scsi_id; | 656 | struct sbp2_lu *lu; |
748 | struct scsi_device *sdev; | 657 | struct scsi_device *sdev; |
749 | 658 | ||
750 | SBP2_DEBUG_ENTER(); | ||
751 | |||
752 | ud = container_of(dev, struct unit_directory, device); | 659 | ud = container_of(dev, struct unit_directory, device); |
753 | scsi_id = ud->device.driver_data; | 660 | lu = ud->device.driver_data; |
754 | if (!scsi_id) | 661 | if (!lu) |
755 | return 0; | 662 | return 0; |
756 | 663 | ||
757 | if (scsi_id->scsi_host) { | 664 | if (lu->shost) { |
758 | /* Get rid of enqueued commands if there is no chance to | 665 | /* Get rid of enqueued commands if there is no chance to |
759 | * send them. */ | 666 | * send them. */ |
760 | if (!sbp2util_node_is_available(scsi_id)) | 667 | if (!sbp2util_node_is_available(lu)) |
761 | sbp2scsi_complete_all_commands(scsi_id, DID_NO_CONNECT); | 668 | sbp2scsi_complete_all_commands(lu, DID_NO_CONNECT); |
762 | /* scsi_remove_device() will trigger shutdown functions of SCSI | 669 | /* scsi_remove_device() may trigger shutdown functions of SCSI |
763 | * highlevel drivers which would deadlock if blocked. */ | 670 | * highlevel drivers which would deadlock if blocked. */ |
764 | atomic_set(&scsi_id->state, SBP2LU_STATE_IN_SHUTDOWN); | 671 | atomic_set(&lu->state, SBP2LU_STATE_IN_SHUTDOWN); |
765 | scsi_unblock_requests(scsi_id->scsi_host); | 672 | scsi_unblock_requests(lu->shost); |
766 | } | 673 | } |
767 | sdev = scsi_id->sdev; | 674 | sdev = lu->sdev; |
768 | if (sdev) { | 675 | if (sdev) { |
769 | scsi_id->sdev = NULL; | 676 | lu->sdev = NULL; |
770 | scsi_remove_device(sdev); | 677 | scsi_remove_device(sdev); |
771 | } | 678 | } |
772 | 679 | ||
773 | sbp2_logout_device(scsi_id); | 680 | sbp2_logout_device(lu); |
774 | sbp2_remove_device(scsi_id); | 681 | sbp2_remove_device(lu); |
775 | 682 | ||
776 | return 0; | 683 | return 0; |
777 | } | 684 | } |
778 | 685 | ||
779 | static int sbp2_update(struct unit_directory *ud) | 686 | static int sbp2_update(struct unit_directory *ud) |
780 | { | 687 | { |
781 | struct scsi_id_instance_data *scsi_id = ud->device.driver_data; | 688 | struct sbp2_lu *lu = ud->device.driver_data; |
782 | |||
783 | SBP2_DEBUG_ENTER(); | ||
784 | 689 | ||
785 | if (sbp2_reconnect_device(scsi_id)) { | 690 | if (sbp2_reconnect_device(lu)) { |
691 | /* Reconnect has failed. Perhaps we didn't reconnect fast | ||
692 | * enough. Try a regular login, but first log out just in | ||
693 | * case of any weirdness. */ | ||
694 | sbp2_logout_device(lu); | ||
786 | 695 | ||
787 | /* | 696 | if (sbp2_login_device(lu)) { |
788 | * Ok, reconnect has failed. Perhaps we didn't | ||
789 | * reconnect fast enough. Try doing a regular login, but | ||
790 | * first do a logout just in case of any weirdness. | ||
791 | */ | ||
792 | sbp2_logout_device(scsi_id); | ||
793 | |||
794 | if (sbp2_login_device(scsi_id)) { | ||
795 | /* Login failed too, just fail, and the backend | 697 | /* Login failed too, just fail, and the backend |
796 | * will call our sbp2_remove for us */ | 698 | * will call our sbp2_remove for us */ |
797 | SBP2_ERR("Failed to reconnect to sbp2 device!"); | 699 | SBP2_ERR("Failed to reconnect to sbp2 device!"); |
@@ -799,69 +701,59 @@ static int sbp2_update(struct unit_directory *ud) | |||
799 | } | 701 | } |
800 | } | 702 | } |
801 | 703 | ||
802 | /* Set max retries to something large on the device. */ | 704 | sbp2_set_busy_timeout(lu); |
803 | sbp2_set_busy_timeout(scsi_id); | 705 | sbp2_agent_reset(lu, 1); |
706 | sbp2_max_speed_and_size(lu); | ||
804 | 707 | ||
805 | /* Do a SBP-2 fetch agent reset. */ | 708 | /* Complete any pending commands with busy (so they get retried) |
806 | sbp2_agent_reset(scsi_id, 1); | 709 | * and remove them from our queue. */ |
807 | 710 | sbp2scsi_complete_all_commands(lu, DID_BUS_BUSY); | |
808 | /* Get the max speed and packet size that we can use. */ | ||
809 | sbp2_max_speed_and_size(scsi_id); | ||
810 | |||
811 | /* Complete any pending commands with busy (so they get | ||
812 | * retried) and remove them from our queue | ||
813 | */ | ||
814 | sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY); | ||
815 | 711 | ||
816 | /* Accept new commands unless there was another bus reset in the | 712 | /* Accept new commands unless there was another bus reset in the |
817 | * meantime. */ | 713 | * meantime. */ |
818 | if (hpsb_node_entry_valid(scsi_id->ne)) { | 714 | if (hpsb_node_entry_valid(lu->ne)) { |
819 | atomic_set(&scsi_id->state, SBP2LU_STATE_RUNNING); | 715 | atomic_set(&lu->state, SBP2LU_STATE_RUNNING); |
820 | scsi_unblock_requests(scsi_id->scsi_host); | 716 | scsi_unblock_requests(lu->shost); |
821 | } | 717 | } |
822 | return 0; | 718 | return 0; |
823 | } | 719 | } |
824 | 720 | ||
825 | /* This functions is called by the sbp2_probe, for each new device. We now | 721 | static struct sbp2_lu *sbp2_alloc_device(struct unit_directory *ud) |
826 | * allocate one scsi host for each scsi_id (unit directory). */ | ||
827 | static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud) | ||
828 | { | 722 | { |
829 | struct sbp2scsi_host_info *hi; | 723 | struct sbp2_fwhost_info *hi; |
830 | struct Scsi_Host *scsi_host = NULL; | 724 | struct Scsi_Host *shost = NULL; |
831 | struct scsi_id_instance_data *scsi_id = NULL; | 725 | struct sbp2_lu *lu = NULL; |
832 | 726 | ||
833 | SBP2_DEBUG_ENTER(); | 727 | lu = kzalloc(sizeof(*lu), GFP_KERNEL); |
834 | 728 | if (!lu) { | |
835 | scsi_id = kzalloc(sizeof(*scsi_id), GFP_KERNEL); | 729 | SBP2_ERR("failed to create lu"); |
836 | if (!scsi_id) { | ||
837 | SBP2_ERR("failed to create scsi_id"); | ||
838 | goto failed_alloc; | 730 | goto failed_alloc; |
839 | } | 731 | } |
840 | 732 | ||
841 | scsi_id->ne = ud->ne; | 733 | lu->ne = ud->ne; |
842 | scsi_id->ud = ud; | 734 | lu->ud = ud; |
843 | scsi_id->speed_code = IEEE1394_SPEED_100; | 735 | lu->speed_code = IEEE1394_SPEED_100; |
844 | scsi_id->max_payload_size = sbp2_speedto_max_payload[IEEE1394_SPEED_100]; | 736 | lu->max_payload_size = sbp2_speedto_max_payload[IEEE1394_SPEED_100]; |
845 | scsi_id->status_fifo_addr = CSR1212_INVALID_ADDR_SPACE; | 737 | lu->status_fifo_addr = CSR1212_INVALID_ADDR_SPACE; |
846 | INIT_LIST_HEAD(&scsi_id->sbp2_command_orb_inuse); | 738 | INIT_LIST_HEAD(&lu->cmd_orb_inuse); |
847 | INIT_LIST_HEAD(&scsi_id->sbp2_command_orb_completed); | 739 | INIT_LIST_HEAD(&lu->cmd_orb_completed); |
848 | INIT_LIST_HEAD(&scsi_id->scsi_list); | 740 | INIT_LIST_HEAD(&lu->lu_list); |
849 | spin_lock_init(&scsi_id->sbp2_command_orb_lock); | 741 | spin_lock_init(&lu->cmd_orb_lock); |
850 | atomic_set(&scsi_id->state, SBP2LU_STATE_RUNNING); | 742 | atomic_set(&lu->state, SBP2LU_STATE_RUNNING); |
851 | INIT_DELAYED_WORK(&scsi_id->protocol_work, NULL); | 743 | INIT_WORK(&lu->protocol_work, NULL); |
852 | 744 | ||
853 | ud->device.driver_data = scsi_id; | 745 | ud->device.driver_data = lu; |
854 | 746 | ||
855 | hi = hpsb_get_hostinfo(&sbp2_highlevel, ud->ne->host); | 747 | hi = hpsb_get_hostinfo(&sbp2_highlevel, ud->ne->host); |
856 | if (!hi) { | 748 | if (!hi) { |
857 | hi = hpsb_create_hostinfo(&sbp2_highlevel, ud->ne->host, sizeof(*hi)); | 749 | hi = hpsb_create_hostinfo(&sbp2_highlevel, ud->ne->host, |
750 | sizeof(*hi)); | ||
858 | if (!hi) { | 751 | if (!hi) { |
859 | SBP2_ERR("failed to allocate hostinfo"); | 752 | SBP2_ERR("failed to allocate hostinfo"); |
860 | goto failed_alloc; | 753 | goto failed_alloc; |
861 | } | 754 | } |
862 | SBP2_DEBUG("sbp2_alloc_device: allocated hostinfo"); | ||
863 | hi->host = ud->ne->host; | 755 | hi->host = ud->ne->host; |
864 | INIT_LIST_HEAD(&hi->scsi_ids); | 756 | INIT_LIST_HEAD(&hi->logical_units); |
865 | 757 | ||
866 | #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA | 758 | #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA |
867 | /* Handle data movement if physical dma is not | 759 | /* Handle data movement if physical dma is not |
@@ -881,9 +773,9 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud | |||
881 | goto failed_alloc; | 773 | goto failed_alloc; |
882 | } | 774 | } |
883 | 775 | ||
884 | scsi_id->hi = hi; | 776 | lu->hi = hi; |
885 | 777 | ||
886 | list_add_tail(&scsi_id->scsi_list, &hi->scsi_ids); | 778 | list_add_tail(&lu->lu_list, &hi->logical_units); |
887 | 779 | ||
888 | /* Register the status FIFO address range. We could use the same FIFO | 780 | /* Register the status FIFO address range. We could use the same FIFO |
889 | * for targets at different nodes. However we need different FIFOs per | 781 | * for targets at different nodes. However we need different FIFOs per |
@@ -893,302 +785,214 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud | |||
893 | * then be performed as unified transactions. This slightly reduces | 785 | * then be performed as unified transactions. This slightly reduces |
894 | * bandwidth usage, and some Prolific based devices seem to require it. | 786 | * bandwidth usage, and some Prolific based devices seem to require it. |
895 | */ | 787 | */ |
896 | scsi_id->status_fifo_addr = hpsb_allocate_and_register_addrspace( | 788 | lu->status_fifo_addr = hpsb_allocate_and_register_addrspace( |
897 | &sbp2_highlevel, ud->ne->host, &sbp2_ops, | 789 | &sbp2_highlevel, ud->ne->host, &sbp2_ops, |
898 | sizeof(struct sbp2_status_block), sizeof(quadlet_t), | 790 | sizeof(struct sbp2_status_block), sizeof(quadlet_t), |
899 | ud->ne->host->low_addr_space, CSR1212_ALL_SPACE_END); | 791 | ud->ne->host->low_addr_space, CSR1212_ALL_SPACE_END); |
900 | if (scsi_id->status_fifo_addr == CSR1212_INVALID_ADDR_SPACE) { | 792 | if (lu->status_fifo_addr == CSR1212_INVALID_ADDR_SPACE) { |
901 | SBP2_ERR("failed to allocate status FIFO address range"); | 793 | SBP2_ERR("failed to allocate status FIFO address range"); |
902 | goto failed_alloc; | 794 | goto failed_alloc; |
903 | } | 795 | } |
904 | 796 | ||
905 | /* Register our host with the SCSI stack. */ | 797 | shost = scsi_host_alloc(&sbp2_shost_template, sizeof(unsigned long)); |
906 | scsi_host = scsi_host_alloc(&scsi_driver_template, | 798 | if (!shost) { |
907 | sizeof(unsigned long)); | ||
908 | if (!scsi_host) { | ||
909 | SBP2_ERR("failed to register scsi host"); | 799 | SBP2_ERR("failed to register scsi host"); |
910 | goto failed_alloc; | 800 | goto failed_alloc; |
911 | } | 801 | } |
912 | 802 | ||
913 | scsi_host->hostdata[0] = (unsigned long)scsi_id; | 803 | shost->hostdata[0] = (unsigned long)lu; |
914 | 804 | ||
915 | if (!scsi_add_host(scsi_host, &ud->device)) { | 805 | if (!scsi_add_host(shost, &ud->device)) { |
916 | scsi_id->scsi_host = scsi_host; | 806 | lu->shost = shost; |
917 | return scsi_id; | 807 | return lu; |
918 | } | 808 | } |
919 | 809 | ||
920 | SBP2_ERR("failed to add scsi host"); | 810 | SBP2_ERR("failed to add scsi host"); |
921 | scsi_host_put(scsi_host); | 811 | scsi_host_put(shost); |
922 | 812 | ||
923 | failed_alloc: | 813 | failed_alloc: |
924 | sbp2_remove_device(scsi_id); | 814 | sbp2_remove_device(lu); |
925 | return NULL; | 815 | return NULL; |
926 | } | 816 | } |
927 | 817 | ||
928 | static void sbp2_host_reset(struct hpsb_host *host) | 818 | static void sbp2_host_reset(struct hpsb_host *host) |
929 | { | 819 | { |
930 | struct sbp2scsi_host_info *hi; | 820 | struct sbp2_fwhost_info *hi; |
931 | struct scsi_id_instance_data *scsi_id; | 821 | struct sbp2_lu *lu; |
932 | 822 | ||
933 | hi = hpsb_get_hostinfo(&sbp2_highlevel, host); | 823 | hi = hpsb_get_hostinfo(&sbp2_highlevel, host); |
934 | if (!hi) | 824 | if (!hi) |
935 | return; | 825 | return; |
936 | list_for_each_entry(scsi_id, &hi->scsi_ids, scsi_list) | 826 | list_for_each_entry(lu, &hi->logical_units, lu_list) |
937 | if (likely(atomic_read(&scsi_id->state) != | 827 | if (likely(atomic_read(&lu->state) != |
938 | SBP2LU_STATE_IN_SHUTDOWN)) { | 828 | SBP2LU_STATE_IN_SHUTDOWN)) { |
939 | atomic_set(&scsi_id->state, SBP2LU_STATE_IN_RESET); | 829 | atomic_set(&lu->state, SBP2LU_STATE_IN_RESET); |
940 | scsi_block_requests(scsi_id->scsi_host); | 830 | scsi_block_requests(lu->shost); |
941 | } | 831 | } |
942 | } | 832 | } |
943 | 833 | ||
944 | /* | 834 | static int sbp2_start_device(struct sbp2_lu *lu) |
945 | * This function is where we first pull the node unique ids, and then | ||
946 | * allocate memory and register a SBP-2 device. | ||
947 | */ | ||
948 | static int sbp2_start_device(struct scsi_id_instance_data *scsi_id) | ||
949 | { | 835 | { |
950 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 836 | struct sbp2_fwhost_info *hi = lu->hi; |
951 | int error; | 837 | int error; |
952 | 838 | ||
953 | SBP2_DEBUG_ENTER(); | 839 | lu->login_response = dma_alloc_coherent(&hi->host->device, |
954 | |||
955 | /* Login FIFO DMA */ | ||
956 | scsi_id->login_response = | ||
957 | pci_alloc_consistent(hi->host->pdev, | ||
958 | sizeof(struct sbp2_login_response), | 840 | sizeof(struct sbp2_login_response), |
959 | &scsi_id->login_response_dma); | 841 | &lu->login_response_dma, GFP_KERNEL); |
960 | if (!scsi_id->login_response) | 842 | if (!lu->login_response) |
961 | goto alloc_fail; | 843 | goto alloc_fail; |
962 | SBP2_DMA_ALLOC("consistent DMA region for login FIFO"); | ||
963 | 844 | ||
964 | /* Query logins ORB DMA */ | 845 | lu->query_logins_orb = dma_alloc_coherent(&hi->host->device, |
965 | scsi_id->query_logins_orb = | ||
966 | pci_alloc_consistent(hi->host->pdev, | ||
967 | sizeof(struct sbp2_query_logins_orb), | 846 | sizeof(struct sbp2_query_logins_orb), |
968 | &scsi_id->query_logins_orb_dma); | 847 | &lu->query_logins_orb_dma, GFP_KERNEL); |
969 | if (!scsi_id->query_logins_orb) | 848 | if (!lu->query_logins_orb) |
970 | goto alloc_fail; | 849 | goto alloc_fail; |
971 | SBP2_DMA_ALLOC("consistent DMA region for query logins ORB"); | ||
972 | 850 | ||
973 | /* Query logins response DMA */ | 851 | lu->query_logins_response = dma_alloc_coherent(&hi->host->device, |
974 | scsi_id->query_logins_response = | ||
975 | pci_alloc_consistent(hi->host->pdev, | ||
976 | sizeof(struct sbp2_query_logins_response), | 852 | sizeof(struct sbp2_query_logins_response), |
977 | &scsi_id->query_logins_response_dma); | 853 | &lu->query_logins_response_dma, GFP_KERNEL); |
978 | if (!scsi_id->query_logins_response) | 854 | if (!lu->query_logins_response) |
979 | goto alloc_fail; | 855 | goto alloc_fail; |
980 | SBP2_DMA_ALLOC("consistent DMA region for query logins response"); | ||
981 | 856 | ||
982 | /* Reconnect ORB DMA */ | 857 | lu->reconnect_orb = dma_alloc_coherent(&hi->host->device, |
983 | scsi_id->reconnect_orb = | ||
984 | pci_alloc_consistent(hi->host->pdev, | ||
985 | sizeof(struct sbp2_reconnect_orb), | 858 | sizeof(struct sbp2_reconnect_orb), |
986 | &scsi_id->reconnect_orb_dma); | 859 | &lu->reconnect_orb_dma, GFP_KERNEL); |
987 | if (!scsi_id->reconnect_orb) | 860 | if (!lu->reconnect_orb) |
988 | goto alloc_fail; | 861 | goto alloc_fail; |
989 | SBP2_DMA_ALLOC("consistent DMA region for reconnect ORB"); | ||
990 | 862 | ||
991 | /* Logout ORB DMA */ | 863 | lu->logout_orb = dma_alloc_coherent(&hi->host->device, |
992 | scsi_id->logout_orb = | ||
993 | pci_alloc_consistent(hi->host->pdev, | ||
994 | sizeof(struct sbp2_logout_orb), | 864 | sizeof(struct sbp2_logout_orb), |
995 | &scsi_id->logout_orb_dma); | 865 | &lu->logout_orb_dma, GFP_KERNEL); |
996 | if (!scsi_id->logout_orb) | 866 | if (!lu->logout_orb) |
997 | goto alloc_fail; | 867 | goto alloc_fail; |
998 | SBP2_DMA_ALLOC("consistent DMA region for logout ORB"); | ||
999 | 868 | ||
1000 | /* Login ORB DMA */ | 869 | lu->login_orb = dma_alloc_coherent(&hi->host->device, |
1001 | scsi_id->login_orb = | ||
1002 | pci_alloc_consistent(hi->host->pdev, | ||
1003 | sizeof(struct sbp2_login_orb), | 870 | sizeof(struct sbp2_login_orb), |
1004 | &scsi_id->login_orb_dma); | 871 | &lu->login_orb_dma, GFP_KERNEL); |
1005 | if (!scsi_id->login_orb) | 872 | if (!lu->login_orb) |
1006 | goto alloc_fail; | 873 | goto alloc_fail; |
1007 | SBP2_DMA_ALLOC("consistent DMA region for login ORB"); | ||
1008 | |||
1009 | SBP2_DEBUG("New SBP-2 device inserted, SCSI ID = %x", scsi_id->ud->id); | ||
1010 | 874 | ||
1011 | /* | 875 | if (sbp2util_create_command_orb_pool(lu)) { |
1012 | * Create our command orb pool | ||
1013 | */ | ||
1014 | if (sbp2util_create_command_orb_pool(scsi_id)) { | ||
1015 | SBP2_ERR("sbp2util_create_command_orb_pool failed!"); | 876 | SBP2_ERR("sbp2util_create_command_orb_pool failed!"); |
1016 | sbp2_remove_device(scsi_id); | 877 | sbp2_remove_device(lu); |
1017 | return -ENOMEM; | 878 | return -ENOMEM; |
1018 | } | 879 | } |
1019 | 880 | ||
1020 | /* Schedule a timeout here. The reason is that we may be so close | 881 | /* Wait a second before trying to log in. Previously logged in |
1021 | * to a bus reset, that the device is not available for logins. | 882 | * initiators need a chance to reconnect. */ |
1022 | * This can happen when the bus reset is caused by the host | ||
1023 | * connected to the sbp2 device being removed. That host would | ||
1024 | * have a certain amount of time to relogin before the sbp2 device | ||
1025 | * allows someone else to login instead. One second makes sense. */ | ||
1026 | if (msleep_interruptible(1000)) { | 883 | if (msleep_interruptible(1000)) { |
1027 | sbp2_remove_device(scsi_id); | 884 | sbp2_remove_device(lu); |
1028 | return -EINTR; | 885 | return -EINTR; |
1029 | } | 886 | } |
1030 | 887 | ||
1031 | /* | 888 | if (sbp2_login_device(lu)) { |
1032 | * Login to the sbp-2 device | 889 | sbp2_remove_device(lu); |
1033 | */ | ||
1034 | if (sbp2_login_device(scsi_id)) { | ||
1035 | /* Login failed, just remove the device. */ | ||
1036 | sbp2_remove_device(scsi_id); | ||
1037 | return -EBUSY; | 890 | return -EBUSY; |
1038 | } | 891 | } |
1039 | 892 | ||
1040 | /* | 893 | sbp2_set_busy_timeout(lu); |
1041 | * Set max retries to something large on the device | 894 | sbp2_agent_reset(lu, 1); |
1042 | */ | 895 | sbp2_max_speed_and_size(lu); |
1043 | sbp2_set_busy_timeout(scsi_id); | ||
1044 | |||
1045 | /* | ||
1046 | * Do a SBP-2 fetch agent reset | ||
1047 | */ | ||
1048 | sbp2_agent_reset(scsi_id, 1); | ||
1049 | 896 | ||
1050 | /* | 897 | error = scsi_add_device(lu->shost, 0, lu->ud->id, 0); |
1051 | * Get the max speed and packet size that we can use | ||
1052 | */ | ||
1053 | sbp2_max_speed_and_size(scsi_id); | ||
1054 | |||
1055 | /* Add this device to the scsi layer now */ | ||
1056 | error = scsi_add_device(scsi_id->scsi_host, 0, scsi_id->ud->id, 0); | ||
1057 | if (error) { | 898 | if (error) { |
1058 | SBP2_ERR("scsi_add_device failed"); | 899 | SBP2_ERR("scsi_add_device failed"); |
1059 | sbp2_logout_device(scsi_id); | 900 | sbp2_logout_device(lu); |
1060 | sbp2_remove_device(scsi_id); | 901 | sbp2_remove_device(lu); |
1061 | return error; | 902 | return error; |
1062 | } | 903 | } |
1063 | 904 | ||
1064 | return 0; | 905 | return 0; |
1065 | 906 | ||
1066 | alloc_fail: | 907 | alloc_fail: |
1067 | SBP2_ERR("Could not allocate memory for scsi_id"); | 908 | SBP2_ERR("Could not allocate memory for lu"); |
1068 | sbp2_remove_device(scsi_id); | 909 | sbp2_remove_device(lu); |
1069 | return -ENOMEM; | 910 | return -ENOMEM; |
1070 | } | 911 | } |
1071 | 912 | ||
1072 | /* | 913 | static void sbp2_remove_device(struct sbp2_lu *lu) |
1073 | * This function removes an sbp2 device from the sbp2scsi_host_info struct. | ||
1074 | */ | ||
1075 | static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id) | ||
1076 | { | 914 | { |
1077 | struct sbp2scsi_host_info *hi; | 915 | struct sbp2_fwhost_info *hi; |
1078 | |||
1079 | SBP2_DEBUG_ENTER(); | ||
1080 | 916 | ||
1081 | if (!scsi_id) | 917 | if (!lu) |
1082 | return; | 918 | return; |
1083 | 919 | ||
1084 | hi = scsi_id->hi; | 920 | hi = lu->hi; |
1085 | 921 | ||
1086 | /* This will remove our scsi device aswell */ | 922 | if (lu->shost) { |
1087 | if (scsi_id->scsi_host) { | 923 | scsi_remove_host(lu->shost); |
1088 | scsi_remove_host(scsi_id->scsi_host); | 924 | scsi_host_put(lu->shost); |
1089 | scsi_host_put(scsi_id->scsi_host); | ||
1090 | } | 925 | } |
1091 | flush_scheduled_work(); | 926 | flush_scheduled_work(); |
1092 | sbp2util_remove_command_orb_pool(scsi_id); | 927 | sbp2util_remove_command_orb_pool(lu); |
1093 | 928 | ||
1094 | list_del(&scsi_id->scsi_list); | 929 | list_del(&lu->lu_list); |
1095 | 930 | ||
1096 | if (scsi_id->login_response) { | 931 | if (lu->login_response) |
1097 | pci_free_consistent(hi->host->pdev, | 932 | dma_free_coherent(&hi->host->device, |
1098 | sizeof(struct sbp2_login_response), | 933 | sizeof(struct sbp2_login_response), |
1099 | scsi_id->login_response, | 934 | lu->login_response, |
1100 | scsi_id->login_response_dma); | 935 | lu->login_response_dma); |
1101 | SBP2_DMA_FREE("single login FIFO"); | 936 | if (lu->login_orb) |
1102 | } | 937 | dma_free_coherent(&hi->host->device, |
1103 | |||
1104 | if (scsi_id->login_orb) { | ||
1105 | pci_free_consistent(hi->host->pdev, | ||
1106 | sizeof(struct sbp2_login_orb), | 938 | sizeof(struct sbp2_login_orb), |
1107 | scsi_id->login_orb, | 939 | lu->login_orb, |
1108 | scsi_id->login_orb_dma); | 940 | lu->login_orb_dma); |
1109 | SBP2_DMA_FREE("single login ORB"); | 941 | if (lu->reconnect_orb) |
1110 | } | 942 | dma_free_coherent(&hi->host->device, |
1111 | |||
1112 | if (scsi_id->reconnect_orb) { | ||
1113 | pci_free_consistent(hi->host->pdev, | ||
1114 | sizeof(struct sbp2_reconnect_orb), | 943 | sizeof(struct sbp2_reconnect_orb), |
1115 | scsi_id->reconnect_orb, | 944 | lu->reconnect_orb, |
1116 | scsi_id->reconnect_orb_dma); | 945 | lu->reconnect_orb_dma); |
1117 | SBP2_DMA_FREE("single reconnect orb"); | 946 | if (lu->logout_orb) |
1118 | } | 947 | dma_free_coherent(&hi->host->device, |
1119 | |||
1120 | if (scsi_id->logout_orb) { | ||
1121 | pci_free_consistent(hi->host->pdev, | ||
1122 | sizeof(struct sbp2_logout_orb), | 948 | sizeof(struct sbp2_logout_orb), |
1123 | scsi_id->logout_orb, | 949 | lu->logout_orb, |
1124 | scsi_id->logout_orb_dma); | 950 | lu->logout_orb_dma); |
1125 | SBP2_DMA_FREE("single logout orb"); | 951 | if (lu->query_logins_orb) |
1126 | } | 952 | dma_free_coherent(&hi->host->device, |
1127 | |||
1128 | if (scsi_id->query_logins_orb) { | ||
1129 | pci_free_consistent(hi->host->pdev, | ||
1130 | sizeof(struct sbp2_query_logins_orb), | 953 | sizeof(struct sbp2_query_logins_orb), |
1131 | scsi_id->query_logins_orb, | 954 | lu->query_logins_orb, |
1132 | scsi_id->query_logins_orb_dma); | 955 | lu->query_logins_orb_dma); |
1133 | SBP2_DMA_FREE("single query logins orb"); | 956 | if (lu->query_logins_response) |
1134 | } | 957 | dma_free_coherent(&hi->host->device, |
1135 | |||
1136 | if (scsi_id->query_logins_response) { | ||
1137 | pci_free_consistent(hi->host->pdev, | ||
1138 | sizeof(struct sbp2_query_logins_response), | 958 | sizeof(struct sbp2_query_logins_response), |
1139 | scsi_id->query_logins_response, | 959 | lu->query_logins_response, |
1140 | scsi_id->query_logins_response_dma); | 960 | lu->query_logins_response_dma); |
1141 | SBP2_DMA_FREE("single query logins data"); | ||
1142 | } | ||
1143 | 961 | ||
1144 | if (scsi_id->status_fifo_addr != CSR1212_INVALID_ADDR_SPACE) | 962 | if (lu->status_fifo_addr != CSR1212_INVALID_ADDR_SPACE) |
1145 | hpsb_unregister_addrspace(&sbp2_highlevel, hi->host, | 963 | hpsb_unregister_addrspace(&sbp2_highlevel, hi->host, |
1146 | scsi_id->status_fifo_addr); | 964 | lu->status_fifo_addr); |
1147 | 965 | ||
1148 | scsi_id->ud->device.driver_data = NULL; | 966 | lu->ud->device.driver_data = NULL; |
1149 | 967 | ||
1150 | if (hi) | 968 | if (hi) |
1151 | module_put(hi->host->driver->owner); | 969 | module_put(hi->host->driver->owner); |
1152 | 970 | ||
1153 | SBP2_DEBUG("SBP-2 device removed, SCSI ID = %d", scsi_id->ud->id); | 971 | kfree(lu); |
1154 | |||
1155 | kfree(scsi_id); | ||
1156 | } | 972 | } |
1157 | 973 | ||
1158 | #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA | 974 | #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA |
1159 | /* | 975 | /* |
1160 | * This function deals with physical dma write requests (for adapters that do not support | 976 | * Deal with write requests on adapters which do not support physical DMA or |
1161 | * physical dma in hardware). Mostly just here for debugging... | 977 | * have it switched off. |
1162 | */ | 978 | */ |
1163 | static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, | 979 | static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, |
1164 | int destid, quadlet_t *data, u64 addr, | 980 | int destid, quadlet_t *data, u64 addr, |
1165 | size_t length, u16 flags) | 981 | size_t length, u16 flags) |
1166 | { | 982 | { |
1167 | |||
1168 | /* | ||
1169 | * Manually put the data in the right place. | ||
1170 | */ | ||
1171 | memcpy(bus_to_virt((u32) addr), data, length); | 983 | memcpy(bus_to_virt((u32) addr), data, length); |
1172 | sbp2util_packet_dump(data, length, "sbp2 phys dma write by device", | ||
1173 | (u32) addr); | ||
1174 | return RCODE_COMPLETE; | 984 | return RCODE_COMPLETE; |
1175 | } | 985 | } |
1176 | 986 | ||
1177 | /* | 987 | /* |
1178 | * This function deals with physical dma read requests (for adapters that do not support | 988 | * Deal with read requests on adapters which do not support physical DMA or |
1179 | * physical dma in hardware). Mostly just here for debugging... | 989 | * have it switched off. |
1180 | */ | 990 | */ |
1181 | static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, | 991 | static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, |
1182 | quadlet_t *data, u64 addr, size_t length, | 992 | quadlet_t *data, u64 addr, size_t length, |
1183 | u16 flags) | 993 | u16 flags) |
1184 | { | 994 | { |
1185 | |||
1186 | /* | ||
1187 | * Grab data from memory and send a read response. | ||
1188 | */ | ||
1189 | memcpy(data, bus_to_virt((u32) addr), length); | 995 | memcpy(data, bus_to_virt((u32) addr), length); |
1190 | sbp2util_packet_dump(data, length, "sbp2 phys dma read by device", | ||
1191 | (u32) addr); | ||
1192 | return RCODE_COMPLETE; | 996 | return RCODE_COMPLETE; |
1193 | } | 997 | } |
1194 | #endif | 998 | #endif |
@@ -1197,74 +1001,69 @@ static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, | |||
1197 | * SBP-2 protocol related section | 1001 | * SBP-2 protocol related section |
1198 | **************************************/ | 1002 | **************************************/ |
1199 | 1003 | ||
1200 | /* | 1004 | static int sbp2_query_logins(struct sbp2_lu *lu) |
1201 | * This function queries the device for the maximum concurrent logins it | ||
1202 | * supports. | ||
1203 | */ | ||
1204 | static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) | ||
1205 | { | 1005 | { |
1206 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 1006 | struct sbp2_fwhost_info *hi = lu->hi; |
1207 | quadlet_t data[2]; | 1007 | quadlet_t data[2]; |
1208 | int max_logins; | 1008 | int max_logins; |
1209 | int active_logins; | 1009 | int active_logins; |
1210 | 1010 | ||
1211 | SBP2_DEBUG_ENTER(); | 1011 | lu->query_logins_orb->reserved1 = 0x0; |
1212 | 1012 | lu->query_logins_orb->reserved2 = 0x0; | |
1213 | scsi_id->query_logins_orb->reserved1 = 0x0; | ||
1214 | scsi_id->query_logins_orb->reserved2 = 0x0; | ||
1215 | |||
1216 | scsi_id->query_logins_orb->query_response_lo = scsi_id->query_logins_response_dma; | ||
1217 | scsi_id->query_logins_orb->query_response_hi = ORB_SET_NODE_ID(hi->host->node_id); | ||
1218 | 1013 | ||
1219 | scsi_id->query_logins_orb->lun_misc = ORB_SET_FUNCTION(SBP2_QUERY_LOGINS_REQUEST); | 1014 | lu->query_logins_orb->query_response_lo = lu->query_logins_response_dma; |
1220 | scsi_id->query_logins_orb->lun_misc |= ORB_SET_NOTIFY(1); | 1015 | lu->query_logins_orb->query_response_hi = |
1221 | scsi_id->query_logins_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun); | 1016 | ORB_SET_NODE_ID(hi->host->node_id); |
1017 | lu->query_logins_orb->lun_misc = | ||
1018 | ORB_SET_FUNCTION(SBP2_QUERY_LOGINS_REQUEST); | ||
1019 | lu->query_logins_orb->lun_misc |= ORB_SET_NOTIFY(1); | ||
1020 | lu->query_logins_orb->lun_misc |= ORB_SET_LUN(lu->lun); | ||
1222 | 1021 | ||
1223 | scsi_id->query_logins_orb->reserved_resp_length = | 1022 | lu->query_logins_orb->reserved_resp_length = |
1224 | ORB_SET_QUERY_LOGINS_RESP_LENGTH(sizeof(struct sbp2_query_logins_response)); | 1023 | ORB_SET_QUERY_LOGINS_RESP_LENGTH( |
1024 | sizeof(struct sbp2_query_logins_response)); | ||
1225 | 1025 | ||
1226 | scsi_id->query_logins_orb->status_fifo_hi = | 1026 | lu->query_logins_orb->status_fifo_hi = |
1227 | ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); | 1027 | ORB_SET_STATUS_FIFO_HI(lu->status_fifo_addr, hi->host->node_id); |
1228 | scsi_id->query_logins_orb->status_fifo_lo = | 1028 | lu->query_logins_orb->status_fifo_lo = |
1229 | ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); | 1029 | ORB_SET_STATUS_FIFO_LO(lu->status_fifo_addr); |
1230 | 1030 | ||
1231 | sbp2util_cpu_to_be32_buffer(scsi_id->query_logins_orb, sizeof(struct sbp2_query_logins_orb)); | 1031 | sbp2util_cpu_to_be32_buffer(lu->query_logins_orb, |
1032 | sizeof(struct sbp2_query_logins_orb)); | ||
1232 | 1033 | ||
1233 | sbp2util_packet_dump(scsi_id->query_logins_orb, sizeof(struct sbp2_query_logins_orb), | 1034 | memset(lu->query_logins_response, 0, |
1234 | "sbp2 query logins orb", scsi_id->query_logins_orb_dma); | 1035 | sizeof(struct sbp2_query_logins_response)); |
1235 | |||
1236 | memset(scsi_id->query_logins_response, 0, sizeof(struct sbp2_query_logins_response)); | ||
1237 | 1036 | ||
1238 | data[0] = ORB_SET_NODE_ID(hi->host->node_id); | 1037 | data[0] = ORB_SET_NODE_ID(hi->host->node_id); |
1239 | data[1] = scsi_id->query_logins_orb_dma; | 1038 | data[1] = lu->query_logins_orb_dma; |
1240 | sbp2util_cpu_to_be32_buffer(data, 8); | 1039 | sbp2util_cpu_to_be32_buffer(data, 8); |
1241 | 1040 | ||
1242 | hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8); | 1041 | hpsb_node_write(lu->ne, lu->management_agent_addr, data, 8); |
1243 | 1042 | ||
1244 | if (sbp2util_access_timeout(scsi_id, 2*HZ)) { | 1043 | if (sbp2util_access_timeout(lu, 2*HZ)) { |
1245 | SBP2_INFO("Error querying logins to SBP-2 device - timed out"); | 1044 | SBP2_INFO("Error querying logins to SBP-2 device - timed out"); |
1246 | return -EIO; | 1045 | return -EIO; |
1247 | } | 1046 | } |
1248 | 1047 | ||
1249 | if (scsi_id->status_block.ORB_offset_lo != scsi_id->query_logins_orb_dma) { | 1048 | if (lu->status_block.ORB_offset_lo != lu->query_logins_orb_dma) { |
1250 | SBP2_INFO("Error querying logins to SBP-2 device - timed out"); | 1049 | SBP2_INFO("Error querying logins to SBP-2 device - timed out"); |
1251 | return -EIO; | 1050 | return -EIO; |
1252 | } | 1051 | } |
1253 | 1052 | ||
1254 | if (STATUS_TEST_RDS(scsi_id->status_block.ORB_offset_hi_misc)) { | 1053 | if (STATUS_TEST_RDS(lu->status_block.ORB_offset_hi_misc)) { |
1255 | SBP2_INFO("Error querying logins to SBP-2 device - failed"); | 1054 | SBP2_INFO("Error querying logins to SBP-2 device - failed"); |
1256 | return -EIO; | 1055 | return -EIO; |
1257 | } | 1056 | } |
1258 | 1057 | ||
1259 | sbp2util_cpu_to_be32_buffer(scsi_id->query_logins_response, sizeof(struct sbp2_query_logins_response)); | 1058 | sbp2util_cpu_to_be32_buffer(lu->query_logins_response, |
1260 | 1059 | sizeof(struct sbp2_query_logins_response)); | |
1261 | SBP2_DEBUG("length_max_logins = %x", | ||
1262 | (unsigned int)scsi_id->query_logins_response->length_max_logins); | ||
1263 | 1060 | ||
1264 | max_logins = RESPONSE_GET_MAX_LOGINS(scsi_id->query_logins_response->length_max_logins); | 1061 | max_logins = RESPONSE_GET_MAX_LOGINS( |
1062 | lu->query_logins_response->length_max_logins); | ||
1265 | SBP2_INFO("Maximum concurrent logins supported: %d", max_logins); | 1063 | SBP2_INFO("Maximum concurrent logins supported: %d", max_logins); |
1266 | 1064 | ||
1267 | active_logins = RESPONSE_GET_ACTIVE_LOGINS(scsi_id->query_logins_response->length_max_logins); | 1065 | active_logins = RESPONSE_GET_ACTIVE_LOGINS( |
1066 | lu->query_logins_response->length_max_logins); | ||
1268 | SBP2_INFO("Number of active logins: %d", active_logins); | 1067 | SBP2_INFO("Number of active logins: %d", active_logins); |
1269 | 1068 | ||
1270 | if (active_logins >= max_logins) { | 1069 | if (active_logins >= max_logins) { |
@@ -1274,332 +1073,231 @@ static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id) | |||
1274 | return 0; | 1073 | return 0; |
1275 | } | 1074 | } |
1276 | 1075 | ||
1277 | /* | 1076 | static int sbp2_login_device(struct sbp2_lu *lu) |
1278 | * This function is called in order to login to a particular SBP-2 device, | ||
1279 | * after a bus reset. | ||
1280 | */ | ||
1281 | static int sbp2_login_device(struct scsi_id_instance_data *scsi_id) | ||
1282 | { | 1077 | { |
1283 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 1078 | struct sbp2_fwhost_info *hi = lu->hi; |
1284 | quadlet_t data[2]; | 1079 | quadlet_t data[2]; |
1285 | 1080 | ||
1286 | SBP2_DEBUG_ENTER(); | 1081 | if (!lu->login_orb) |
1287 | |||
1288 | if (!scsi_id->login_orb) { | ||
1289 | SBP2_DEBUG("%s: login_orb not alloc'd!", __FUNCTION__); | ||
1290 | return -EIO; | 1082 | return -EIO; |
1291 | } | ||
1292 | 1083 | ||
1293 | if (!exclusive_login) { | 1084 | if (!sbp2_exclusive_login && sbp2_query_logins(lu)) { |
1294 | if (sbp2_query_logins(scsi_id)) { | 1085 | SBP2_INFO("Device does not support any more concurrent logins"); |
1295 | SBP2_INFO("Device does not support any more concurrent logins"); | 1086 | return -EIO; |
1296 | return -EIO; | ||
1297 | } | ||
1298 | } | 1087 | } |
1299 | 1088 | ||
1300 | /* Set-up login ORB, assume no password */ | 1089 | /* assume no password */ |
1301 | scsi_id->login_orb->password_hi = 0; | 1090 | lu->login_orb->password_hi = 0; |
1302 | scsi_id->login_orb->password_lo = 0; | 1091 | lu->login_orb->password_lo = 0; |
1303 | 1092 | ||
1304 | scsi_id->login_orb->login_response_lo = scsi_id->login_response_dma; | 1093 | lu->login_orb->login_response_lo = lu->login_response_dma; |
1305 | scsi_id->login_orb->login_response_hi = ORB_SET_NODE_ID(hi->host->node_id); | 1094 | lu->login_orb->login_response_hi = ORB_SET_NODE_ID(hi->host->node_id); |
1095 | lu->login_orb->lun_misc = ORB_SET_FUNCTION(SBP2_LOGIN_REQUEST); | ||
1306 | 1096 | ||
1307 | scsi_id->login_orb->lun_misc = ORB_SET_FUNCTION(SBP2_LOGIN_REQUEST); | 1097 | /* one second reconnect time */ |
1308 | scsi_id->login_orb->lun_misc |= ORB_SET_RECONNECT(0); /* One second reconnect time */ | 1098 | lu->login_orb->lun_misc |= ORB_SET_RECONNECT(0); |
1309 | scsi_id->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(exclusive_login); /* Exclusive access to device */ | 1099 | lu->login_orb->lun_misc |= ORB_SET_EXCLUSIVE(sbp2_exclusive_login); |
1310 | scsi_id->login_orb->lun_misc |= ORB_SET_NOTIFY(1); /* Notify us of login complete */ | 1100 | lu->login_orb->lun_misc |= ORB_SET_NOTIFY(1); |
1311 | scsi_id->login_orb->lun_misc |= ORB_SET_LUN(scsi_id->sbp2_lun); | 1101 | lu->login_orb->lun_misc |= ORB_SET_LUN(lu->lun); |
1312 | 1102 | ||
1313 | scsi_id->login_orb->passwd_resp_lengths = | 1103 | lu->login_orb->passwd_resp_lengths = |
1314 | ORB_SET_LOGIN_RESP_LENGTH(sizeof(struct sbp2_login_response)); | 1104 | ORB_SET_LOGIN_RESP_LENGTH(sizeof(struct sbp2_login_response)); |
1315 | 1105 | ||
1316 | scsi_id->login_orb->status_fifo_hi = | 1106 | lu->login_orb->status_fifo_hi = |
1317 | ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); | 1107 | ORB_SET_STATUS_FIFO_HI(lu->status_fifo_addr, hi->host->node_id); |
1318 | scsi_id->login_orb->status_fifo_lo = | 1108 | lu->login_orb->status_fifo_lo = |
1319 | ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); | 1109 | ORB_SET_STATUS_FIFO_LO(lu->status_fifo_addr); |
1320 | 1110 | ||
1321 | sbp2util_cpu_to_be32_buffer(scsi_id->login_orb, sizeof(struct sbp2_login_orb)); | 1111 | sbp2util_cpu_to_be32_buffer(lu->login_orb, |
1112 | sizeof(struct sbp2_login_orb)); | ||
1322 | 1113 | ||
1323 | sbp2util_packet_dump(scsi_id->login_orb, sizeof(struct sbp2_login_orb), | 1114 | memset(lu->login_response, 0, sizeof(struct sbp2_login_response)); |
1324 | "sbp2 login orb", scsi_id->login_orb_dma); | ||
1325 | |||
1326 | memset(scsi_id->login_response, 0, sizeof(struct sbp2_login_response)); | ||
1327 | 1115 | ||
1328 | data[0] = ORB_SET_NODE_ID(hi->host->node_id); | 1116 | data[0] = ORB_SET_NODE_ID(hi->host->node_id); |
1329 | data[1] = scsi_id->login_orb_dma; | 1117 | data[1] = lu->login_orb_dma; |
1330 | sbp2util_cpu_to_be32_buffer(data, 8); | 1118 | sbp2util_cpu_to_be32_buffer(data, 8); |
1331 | 1119 | ||
1332 | hpsb_node_write(scsi_id->ne, scsi_id->sbp2_management_agent_addr, data, 8); | 1120 | hpsb_node_write(lu->ne, lu->management_agent_addr, data, 8); |
1333 | 1121 | ||
1334 | /* | 1122 | /* wait up to 20 seconds for login status */ |
1335 | * Wait for login status (up to 20 seconds)... | 1123 | if (sbp2util_access_timeout(lu, 20*HZ)) { |
1336 | */ | ||
1337 | if (sbp2util_access_timeout(scsi_id, 20*HZ)) { | ||
1338 | SBP2_ERR("Error logging into SBP-2 device - timed out"); | 1124 | SBP2_ERR("Error logging into SBP-2 device - timed out"); |
1339 | return -EIO; | 1125 | return -EIO; |
1340 | } | 1126 | } |
1341 | 1127 | ||
1342 | /* | 1128 | /* make sure that the returned status matches the login ORB */ |
1343 | * Sanity. Make sure status returned matches login orb. | 1129 | if (lu->status_block.ORB_offset_lo != lu->login_orb_dma) { |
1344 | */ | ||
1345 | if (scsi_id->status_block.ORB_offset_lo != scsi_id->login_orb_dma) { | ||
1346 | SBP2_ERR("Error logging into SBP-2 device - timed out"); | 1130 | SBP2_ERR("Error logging into SBP-2 device - timed out"); |
1347 | return -EIO; | 1131 | return -EIO; |
1348 | } | 1132 | } |
1349 | 1133 | ||
1350 | if (STATUS_TEST_RDS(scsi_id->status_block.ORB_offset_hi_misc)) { | 1134 | if (STATUS_TEST_RDS(lu->status_block.ORB_offset_hi_misc)) { |
1351 | SBP2_ERR("Error logging into SBP-2 device - failed"); | 1135 | SBP2_ERR("Error logging into SBP-2 device - failed"); |
1352 | return -EIO; | 1136 | return -EIO; |
1353 | } | 1137 | } |
1354 | 1138 | ||
1355 | /* | 1139 | sbp2util_cpu_to_be32_buffer(lu->login_response, |
1356 | * Byte swap the login response, for use when reconnecting or | 1140 | sizeof(struct sbp2_login_response)); |
1357 | * logging out. | 1141 | lu->command_block_agent_addr = |
1358 | */ | 1142 | ((u64)lu->login_response->command_block_agent_hi) << 32; |
1359 | sbp2util_cpu_to_be32_buffer(scsi_id->login_response, sizeof(struct sbp2_login_response)); | 1143 | lu->command_block_agent_addr |= |
1360 | 1144 | ((u64)lu->login_response->command_block_agent_lo); | |
1361 | /* | 1145 | lu->command_block_agent_addr &= 0x0000ffffffffffffULL; |
1362 | * Grab our command block agent address from the login response. | ||
1363 | */ | ||
1364 | SBP2_DEBUG("command_block_agent_hi = %x", | ||
1365 | (unsigned int)scsi_id->login_response->command_block_agent_hi); | ||
1366 | SBP2_DEBUG("command_block_agent_lo = %x", | ||
1367 | (unsigned int)scsi_id->login_response->command_block_agent_lo); | ||
1368 | |||
1369 | scsi_id->sbp2_command_block_agent_addr = | ||
1370 | ((u64)scsi_id->login_response->command_block_agent_hi) << 32; | ||
1371 | scsi_id->sbp2_command_block_agent_addr |= ((u64)scsi_id->login_response->command_block_agent_lo); | ||
1372 | scsi_id->sbp2_command_block_agent_addr &= 0x0000ffffffffffffULL; | ||
1373 | 1146 | ||
1374 | SBP2_INFO("Logged into SBP-2 device"); | 1147 | SBP2_INFO("Logged into SBP-2 device"); |
1375 | return 0; | 1148 | return 0; |
1376 | } | 1149 | } |
1377 | 1150 | ||
1378 | /* | 1151 | static int sbp2_logout_device(struct sbp2_lu *lu) |
1379 | * This function is called in order to logout from a particular SBP-2 | ||
1380 | * device, usually called during driver unload. | ||
1381 | */ | ||
1382 | static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id) | ||
1383 | { | 1152 | { |
1384 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 1153 | struct sbp2_fwhost_info *hi = lu->hi; |
1385 | quadlet_t data[2]; | 1154 | quadlet_t data[2]; |
1386 | int error; | 1155 | int error; |
1387 | 1156 | ||
1388 | SBP2_DEBUG_ENTER(); | 1157 | lu->logout_orb->reserved1 = 0x0; |
1389 | 1158 | lu->logout_orb->reserved2 = 0x0; | |
1390 | /* | 1159 | lu->logout_orb->reserved3 = 0x0; |
1391 | * Set-up logout ORB | 1160 | lu->logout_orb->reserved4 = 0x0; |
1392 | */ | ||
1393 | scsi_id->logout_orb->reserved1 = 0x0; | ||
1394 | scsi_id->logout_orb->reserved2 = 0x0; | ||
1395 | scsi_id->logout_orb->reserved3 = 0x0; | ||
1396 | scsi_id->logout_orb->reserved4 = 0x0; | ||
1397 | |||
1398 | scsi_id->logout_orb->login_ID_misc = ORB_SET_FUNCTION(SBP2_LOGOUT_REQUEST); | ||
1399 | scsi_id->logout_orb->login_ID_misc |= ORB_SET_LOGIN_ID(scsi_id->login_response->length_login_ID); | ||
1400 | |||
1401 | /* Notify us when complete */ | ||
1402 | scsi_id->logout_orb->login_ID_misc |= ORB_SET_NOTIFY(1); | ||
1403 | 1161 | ||
1404 | scsi_id->logout_orb->reserved5 = 0x0; | 1162 | lu->logout_orb->login_ID_misc = ORB_SET_FUNCTION(SBP2_LOGOUT_REQUEST); |
1405 | scsi_id->logout_orb->status_fifo_hi = | 1163 | lu->logout_orb->login_ID_misc |= |
1406 | ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); | 1164 | ORB_SET_LOGIN_ID(lu->login_response->length_login_ID); |
1407 | scsi_id->logout_orb->status_fifo_lo = | 1165 | lu->logout_orb->login_ID_misc |= ORB_SET_NOTIFY(1); |
1408 | ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); | ||
1409 | 1166 | ||
1410 | /* | 1167 | lu->logout_orb->reserved5 = 0x0; |
1411 | * Byte swap ORB if necessary | 1168 | lu->logout_orb->status_fifo_hi = |
1412 | */ | 1169 | ORB_SET_STATUS_FIFO_HI(lu->status_fifo_addr, hi->host->node_id); |
1413 | sbp2util_cpu_to_be32_buffer(scsi_id->logout_orb, sizeof(struct sbp2_logout_orb)); | 1170 | lu->logout_orb->status_fifo_lo = |
1171 | ORB_SET_STATUS_FIFO_LO(lu->status_fifo_addr); | ||
1414 | 1172 | ||
1415 | sbp2util_packet_dump(scsi_id->logout_orb, sizeof(struct sbp2_logout_orb), | 1173 | sbp2util_cpu_to_be32_buffer(lu->logout_orb, |
1416 | "sbp2 logout orb", scsi_id->logout_orb_dma); | 1174 | sizeof(struct sbp2_logout_orb)); |
1417 | 1175 | ||
1418 | /* | ||
1419 | * Ok, let's write to the target's management agent register | ||
1420 | */ | ||
1421 | data[0] = ORB_SET_NODE_ID(hi->host->node_id); | 1176 | data[0] = ORB_SET_NODE_ID(hi->host->node_id); |
1422 | data[1] = scsi_id->logout_orb_dma; | 1177 | data[1] = lu->logout_orb_dma; |
1423 | sbp2util_cpu_to_be32_buffer(data, 8); | 1178 | sbp2util_cpu_to_be32_buffer(data, 8); |
1424 | 1179 | ||
1425 | error = hpsb_node_write(scsi_id->ne, | 1180 | error = hpsb_node_write(lu->ne, lu->management_agent_addr, data, 8); |
1426 | scsi_id->sbp2_management_agent_addr, data, 8); | ||
1427 | if (error) | 1181 | if (error) |
1428 | return error; | 1182 | return error; |
1429 | 1183 | ||
1430 | /* Wait for device to logout...1 second. */ | 1184 | /* wait up to 1 second for the device to complete logout */ |
1431 | if (sbp2util_access_timeout(scsi_id, HZ)) | 1185 | if (sbp2util_access_timeout(lu, HZ)) |
1432 | return -EIO; | 1186 | return -EIO; |
1433 | 1187 | ||
1434 | SBP2_INFO("Logged out of SBP-2 device"); | 1188 | SBP2_INFO("Logged out of SBP-2 device"); |
1435 | return 0; | 1189 | return 0; |
1436 | } | 1190 | } |
1437 | 1191 | ||
1438 | /* | 1192 | static int sbp2_reconnect_device(struct sbp2_lu *lu) |
1439 | * This function is called in order to reconnect to a particular SBP-2 | ||
1440 | * device, after a bus reset. | ||
1441 | */ | ||
1442 | static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id) | ||
1443 | { | 1193 | { |
1444 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 1194 | struct sbp2_fwhost_info *hi = lu->hi; |
1445 | quadlet_t data[2]; | 1195 | quadlet_t data[2]; |
1446 | int error; | 1196 | int error; |
1447 | 1197 | ||
1448 | SBP2_DEBUG_ENTER(); | 1198 | lu->reconnect_orb->reserved1 = 0x0; |
1199 | lu->reconnect_orb->reserved2 = 0x0; | ||
1200 | lu->reconnect_orb->reserved3 = 0x0; | ||
1201 | lu->reconnect_orb->reserved4 = 0x0; | ||
1449 | 1202 | ||
1450 | /* | 1203 | lu->reconnect_orb->login_ID_misc = |
1451 | * Set-up reconnect ORB | 1204 | ORB_SET_FUNCTION(SBP2_RECONNECT_REQUEST); |
1452 | */ | 1205 | lu->reconnect_orb->login_ID_misc |= |
1453 | scsi_id->reconnect_orb->reserved1 = 0x0; | 1206 | ORB_SET_LOGIN_ID(lu->login_response->length_login_ID); |
1454 | scsi_id->reconnect_orb->reserved2 = 0x0; | 1207 | lu->reconnect_orb->login_ID_misc |= ORB_SET_NOTIFY(1); |
1455 | scsi_id->reconnect_orb->reserved3 = 0x0; | ||
1456 | scsi_id->reconnect_orb->reserved4 = 0x0; | ||
1457 | |||
1458 | scsi_id->reconnect_orb->login_ID_misc = ORB_SET_FUNCTION(SBP2_RECONNECT_REQUEST); | ||
1459 | scsi_id->reconnect_orb->login_ID_misc |= | ||
1460 | ORB_SET_LOGIN_ID(scsi_id->login_response->length_login_ID); | ||
1461 | 1208 | ||
1462 | /* Notify us when complete */ | 1209 | lu->reconnect_orb->reserved5 = 0x0; |
1463 | scsi_id->reconnect_orb->login_ID_misc |= ORB_SET_NOTIFY(1); | 1210 | lu->reconnect_orb->status_fifo_hi = |
1211 | ORB_SET_STATUS_FIFO_HI(lu->status_fifo_addr, hi->host->node_id); | ||
1212 | lu->reconnect_orb->status_fifo_lo = | ||
1213 | ORB_SET_STATUS_FIFO_LO(lu->status_fifo_addr); | ||
1464 | 1214 | ||
1465 | scsi_id->reconnect_orb->reserved5 = 0x0; | 1215 | sbp2util_cpu_to_be32_buffer(lu->reconnect_orb, |
1466 | scsi_id->reconnect_orb->status_fifo_hi = | 1216 | sizeof(struct sbp2_reconnect_orb)); |
1467 | ORB_SET_STATUS_FIFO_HI(scsi_id->status_fifo_addr, hi->host->node_id); | ||
1468 | scsi_id->reconnect_orb->status_fifo_lo = | ||
1469 | ORB_SET_STATUS_FIFO_LO(scsi_id->status_fifo_addr); | ||
1470 | |||
1471 | /* | ||
1472 | * Byte swap ORB if necessary | ||
1473 | */ | ||
1474 | sbp2util_cpu_to_be32_buffer(scsi_id->reconnect_orb, sizeof(struct sbp2_reconnect_orb)); | ||
1475 | |||
1476 | sbp2util_packet_dump(scsi_id->reconnect_orb, sizeof(struct sbp2_reconnect_orb), | ||
1477 | "sbp2 reconnect orb", scsi_id->reconnect_orb_dma); | ||
1478 | 1217 | ||
1479 | data[0] = ORB_SET_NODE_ID(hi->host->node_id); | 1218 | data[0] = ORB_SET_NODE_ID(hi->host->node_id); |
1480 | data[1] = scsi_id->reconnect_orb_dma; | 1219 | data[1] = lu->reconnect_orb_dma; |
1481 | sbp2util_cpu_to_be32_buffer(data, 8); | 1220 | sbp2util_cpu_to_be32_buffer(data, 8); |
1482 | 1221 | ||
1483 | error = hpsb_node_write(scsi_id->ne, | 1222 | error = hpsb_node_write(lu->ne, lu->management_agent_addr, data, 8); |
1484 | scsi_id->sbp2_management_agent_addr, data, 8); | ||
1485 | if (error) | 1223 | if (error) |
1486 | return error; | 1224 | return error; |
1487 | 1225 | ||
1488 | /* | 1226 | /* wait up to 1 second for reconnect status */ |
1489 | * Wait for reconnect status (up to 1 second)... | 1227 | if (sbp2util_access_timeout(lu, HZ)) { |
1490 | */ | ||
1491 | if (sbp2util_access_timeout(scsi_id, HZ)) { | ||
1492 | SBP2_ERR("Error reconnecting to SBP-2 device - timed out"); | 1228 | SBP2_ERR("Error reconnecting to SBP-2 device - timed out"); |
1493 | return -EIO; | 1229 | return -EIO; |
1494 | } | 1230 | } |
1495 | 1231 | ||
1496 | /* | 1232 | /* make sure that the returned status matches the reconnect ORB */ |
1497 | * Sanity. Make sure status returned matches reconnect orb. | 1233 | if (lu->status_block.ORB_offset_lo != lu->reconnect_orb_dma) { |
1498 | */ | ||
1499 | if (scsi_id->status_block.ORB_offset_lo != scsi_id->reconnect_orb_dma) { | ||
1500 | SBP2_ERR("Error reconnecting to SBP-2 device - timed out"); | 1234 | SBP2_ERR("Error reconnecting to SBP-2 device - timed out"); |
1501 | return -EIO; | 1235 | return -EIO; |
1502 | } | 1236 | } |
1503 | 1237 | ||
1504 | if (STATUS_TEST_RDS(scsi_id->status_block.ORB_offset_hi_misc)) { | 1238 | if (STATUS_TEST_RDS(lu->status_block.ORB_offset_hi_misc)) { |
1505 | SBP2_ERR("Error reconnecting to SBP-2 device - failed"); | 1239 | SBP2_ERR("Error reconnecting to SBP-2 device - failed"); |
1506 | return -EIO; | 1240 | return -EIO; |
1507 | } | 1241 | } |
1508 | 1242 | ||
1509 | HPSB_DEBUG("Reconnected to SBP-2 device"); | 1243 | SBP2_INFO("Reconnected to SBP-2 device"); |
1510 | return 0; | 1244 | return 0; |
1511 | } | 1245 | } |
1512 | 1246 | ||
1513 | /* | 1247 | /* |
1514 | * This function is called in order to set the busy timeout (number of | 1248 | * Set the target node's Single Phase Retry limit. Affects the target's retry |
1515 | * retries to attempt) on the sbp2 device. | 1249 | * behaviour if our node is too busy to accept requests. |
1516 | */ | 1250 | */ |
1517 | static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id) | 1251 | static int sbp2_set_busy_timeout(struct sbp2_lu *lu) |
1518 | { | 1252 | { |
1519 | quadlet_t data; | 1253 | quadlet_t data; |
1520 | 1254 | ||
1521 | SBP2_DEBUG_ENTER(); | ||
1522 | |||
1523 | data = cpu_to_be32(SBP2_BUSY_TIMEOUT_VALUE); | 1255 | data = cpu_to_be32(SBP2_BUSY_TIMEOUT_VALUE); |
1524 | if (hpsb_node_write(scsi_id->ne, SBP2_BUSY_TIMEOUT_ADDRESS, &data, 4)) | 1256 | if (hpsb_node_write(lu->ne, SBP2_BUSY_TIMEOUT_ADDRESS, &data, 4)) |
1525 | SBP2_ERR("%s error", __FUNCTION__); | 1257 | SBP2_ERR("%s error", __FUNCTION__); |
1526 | return 0; | 1258 | return 0; |
1527 | } | 1259 | } |
1528 | 1260 | ||
1529 | /* | 1261 | static void sbp2_parse_unit_directory(struct sbp2_lu *lu, |
1530 | * This function is called to parse sbp2 device's config rom unit | ||
1531 | * directory. Used to determine things like sbp2 management agent offset, | ||
1532 | * and command set used (SCSI or RBC). | ||
1533 | */ | ||
1534 | static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, | ||
1535 | struct unit_directory *ud) | 1262 | struct unit_directory *ud) |
1536 | { | 1263 | { |
1537 | struct csr1212_keyval *kv; | 1264 | struct csr1212_keyval *kv; |
1538 | struct csr1212_dentry *dentry; | 1265 | struct csr1212_dentry *dentry; |
1539 | u64 management_agent_addr; | 1266 | u64 management_agent_addr; |
1540 | u32 command_set_spec_id, command_set, unit_characteristics, | 1267 | u32 unit_characteristics, firmware_revision; |
1541 | firmware_revision; | ||
1542 | unsigned workarounds; | 1268 | unsigned workarounds; |
1543 | int i; | 1269 | int i; |
1544 | 1270 | ||
1545 | SBP2_DEBUG_ENTER(); | 1271 | management_agent_addr = 0; |
1272 | unit_characteristics = 0; | ||
1273 | firmware_revision = 0; | ||
1546 | 1274 | ||
1547 | management_agent_addr = 0x0; | ||
1548 | command_set_spec_id = 0x0; | ||
1549 | command_set = 0x0; | ||
1550 | unit_characteristics = 0x0; | ||
1551 | firmware_revision = 0x0; | ||
1552 | |||
1553 | /* Handle different fields in the unit directory, based on keys */ | ||
1554 | csr1212_for_each_dir_entry(ud->ne->csr, kv, ud->ud_kv, dentry) { | 1275 | csr1212_for_each_dir_entry(ud->ne->csr, kv, ud->ud_kv, dentry) { |
1555 | switch (kv->key.id) { | 1276 | switch (kv->key.id) { |
1556 | case CSR1212_KV_ID_DEPENDENT_INFO: | 1277 | case CSR1212_KV_ID_DEPENDENT_INFO: |
1557 | if (kv->key.type == CSR1212_KV_TYPE_CSR_OFFSET) { | 1278 | if (kv->key.type == CSR1212_KV_TYPE_CSR_OFFSET) |
1558 | /* Save off the management agent address */ | ||
1559 | management_agent_addr = | 1279 | management_agent_addr = |
1560 | CSR1212_REGISTER_SPACE_BASE + | 1280 | CSR1212_REGISTER_SPACE_BASE + |
1561 | (kv->value.csr_offset << 2); | 1281 | (kv->value.csr_offset << 2); |
1562 | 1282 | ||
1563 | SBP2_DEBUG("sbp2_management_agent_addr = %x", | 1283 | else if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE) |
1564 | (unsigned int)management_agent_addr); | 1284 | lu->lun = ORB_SET_LUN(kv->value.immediate); |
1565 | } else if (kv->key.type == CSR1212_KV_TYPE_IMMEDIATE) { | ||
1566 | scsi_id->sbp2_lun = | ||
1567 | ORB_SET_LUN(kv->value.immediate); | ||
1568 | } | ||
1569 | break; | ||
1570 | |||
1571 | case SBP2_COMMAND_SET_SPEC_ID_KEY: | ||
1572 | /* Command spec organization */ | ||
1573 | command_set_spec_id = kv->value.immediate; | ||
1574 | SBP2_DEBUG("sbp2_command_set_spec_id = %x", | ||
1575 | (unsigned int)command_set_spec_id); | ||
1576 | break; | ||
1577 | |||
1578 | case SBP2_COMMAND_SET_KEY: | ||
1579 | /* Command set used by sbp2 device */ | ||
1580 | command_set = kv->value.immediate; | ||
1581 | SBP2_DEBUG("sbp2_command_set = %x", | ||
1582 | (unsigned int)command_set); | ||
1583 | break; | 1285 | break; |
1584 | 1286 | ||
1585 | case SBP2_UNIT_CHARACTERISTICS_KEY: | 1287 | case SBP2_UNIT_CHARACTERISTICS_KEY: |
1586 | /* | 1288 | /* FIXME: This is ignored so far. |
1587 | * Unit characterisitcs (orb related stuff | 1289 | * See SBP-2 clause 7.4.8. */ |
1588 | * that I'm not yet paying attention to) | ||
1589 | */ | ||
1590 | unit_characteristics = kv->value.immediate; | 1290 | unit_characteristics = kv->value.immediate; |
1591 | SBP2_DEBUG("sbp2_unit_characteristics = %x", | ||
1592 | (unsigned int)unit_characteristics); | ||
1593 | break; | 1291 | break; |
1594 | 1292 | ||
1595 | case SBP2_FIRMWARE_REVISION_KEY: | 1293 | case SBP2_FIRMWARE_REVISION_KEY: |
1596 | /* Firmware revision */ | ||
1597 | firmware_revision = kv->value.immediate; | 1294 | firmware_revision = kv->value.immediate; |
1598 | SBP2_DEBUG("sbp2_firmware_revision = %x", | ||
1599 | (unsigned int)firmware_revision); | ||
1600 | break; | 1295 | break; |
1601 | 1296 | ||
1602 | default: | 1297 | default: |
1298 | /* FIXME: Check for SBP2_DEVICE_TYPE_AND_LUN_KEY. | ||
1299 | * Its "ordered" bit has consequences for command ORB | ||
1300 | * list handling. See SBP-2 clauses 4.6, 7.4.11, 10.2 */ | ||
1603 | break; | 1301 | break; |
1604 | } | 1302 | } |
1605 | } | 1303 | } |
@@ -1631,28 +1329,24 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, | |||
1631 | /* We would need one SCSI host template for each target to adjust | 1329 | /* We would need one SCSI host template for each target to adjust |
1632 | * max_sectors on the fly, therefore warn only. */ | 1330 | * max_sectors on the fly, therefore warn only. */ |
1633 | if (workarounds & SBP2_WORKAROUND_128K_MAX_TRANS && | 1331 | if (workarounds & SBP2_WORKAROUND_128K_MAX_TRANS && |
1634 | (max_sectors * 512) > (128 * 1024)) | 1332 | (sbp2_max_sectors * 512) > (128 * 1024)) |
1635 | SBP2_WARN("Node " NODE_BUS_FMT ": Bridge only supports 128KB " | 1333 | SBP2_INFO("Node " NODE_BUS_FMT ": Bridge only supports 128KB " |
1636 | "max transfer size. WARNING: Current max_sectors " | 1334 | "max transfer size. WARNING: Current max_sectors " |
1637 | "setting is larger than 128KB (%d sectors)", | 1335 | "setting is larger than 128KB (%d sectors)", |
1638 | NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid), | 1336 | NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid), |
1639 | max_sectors); | 1337 | sbp2_max_sectors); |
1640 | 1338 | ||
1641 | /* If this is a logical unit directory entry, process the parent | 1339 | /* If this is a logical unit directory entry, process the parent |
1642 | * to get the values. */ | 1340 | * to get the values. */ |
1643 | if (ud->flags & UNIT_DIRECTORY_LUN_DIRECTORY) { | 1341 | if (ud->flags & UNIT_DIRECTORY_LUN_DIRECTORY) { |
1644 | struct unit_directory *parent_ud = | 1342 | struct unit_directory *parent_ud = container_of( |
1645 | container_of(ud->device.parent, struct unit_directory, device); | 1343 | ud->device.parent, struct unit_directory, device); |
1646 | sbp2_parse_unit_directory(scsi_id, parent_ud); | 1344 | sbp2_parse_unit_directory(lu, parent_ud); |
1647 | } else { | 1345 | } else { |
1648 | scsi_id->sbp2_management_agent_addr = management_agent_addr; | 1346 | lu->management_agent_addr = management_agent_addr; |
1649 | scsi_id->sbp2_command_set_spec_id = command_set_spec_id; | 1347 | lu->workarounds = workarounds; |
1650 | scsi_id->sbp2_command_set = command_set; | ||
1651 | scsi_id->sbp2_unit_characteristics = unit_characteristics; | ||
1652 | scsi_id->sbp2_firmware_revision = firmware_revision; | ||
1653 | scsi_id->workarounds = workarounds; | ||
1654 | if (ud->flags & UNIT_DIRECTORY_HAS_LUN) | 1348 | if (ud->flags & UNIT_DIRECTORY_HAS_LUN) |
1655 | scsi_id->sbp2_lun = ORB_SET_LUN(ud->lun); | 1349 | lu->lun = ORB_SET_LUN(ud->lun); |
1656 | } | 1350 | } |
1657 | } | 1351 | } |
1658 | 1352 | ||
@@ -1667,133 +1361,114 @@ static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, | |||
1667 | * the speed that it needs to use, and the max_rec the host supports, and | 1361 | * the speed that it needs to use, and the max_rec the host supports, and |
1668 | * it takes care of the rest. | 1362 | * it takes care of the rest. |
1669 | */ | 1363 | */ |
1670 | static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id) | 1364 | static int sbp2_max_speed_and_size(struct sbp2_lu *lu) |
1671 | { | 1365 | { |
1672 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 1366 | struct sbp2_fwhost_info *hi = lu->hi; |
1673 | u8 payload; | 1367 | u8 payload; |
1674 | 1368 | ||
1675 | SBP2_DEBUG_ENTER(); | 1369 | lu->speed_code = hi->host->speed[NODEID_TO_NODE(lu->ne->nodeid)]; |
1676 | |||
1677 | scsi_id->speed_code = | ||
1678 | hi->host->speed[NODEID_TO_NODE(scsi_id->ne->nodeid)]; | ||
1679 | 1370 | ||
1680 | /* Bump down our speed if the user requested it */ | 1371 | if (lu->speed_code > sbp2_max_speed) { |
1681 | if (scsi_id->speed_code > max_speed) { | 1372 | lu->speed_code = sbp2_max_speed; |
1682 | scsi_id->speed_code = max_speed; | 1373 | SBP2_INFO("Reducing speed to %s", |
1683 | SBP2_ERR("Forcing SBP-2 max speed down to %s", | 1374 | hpsb_speedto_str[sbp2_max_speed]); |
1684 | hpsb_speedto_str[scsi_id->speed_code]); | ||
1685 | } | 1375 | } |
1686 | 1376 | ||
1687 | /* Payload size is the lesser of what our speed supports and what | 1377 | /* Payload size is the lesser of what our speed supports and what |
1688 | * our host supports. */ | 1378 | * our host supports. */ |
1689 | payload = min(sbp2_speedto_max_payload[scsi_id->speed_code], | 1379 | payload = min(sbp2_speedto_max_payload[lu->speed_code], |
1690 | (u8) (hi->host->csr.max_rec - 1)); | 1380 | (u8) (hi->host->csr.max_rec - 1)); |
1691 | 1381 | ||
1692 | /* If physical DMA is off, work around limitation in ohci1394: | 1382 | /* If physical DMA is off, work around limitation in ohci1394: |
1693 | * packet size must not exceed PAGE_SIZE */ | 1383 | * packet size must not exceed PAGE_SIZE */ |
1694 | if (scsi_id->ne->host->low_addr_space < (1ULL << 32)) | 1384 | if (lu->ne->host->low_addr_space < (1ULL << 32)) |
1695 | while (SBP2_PAYLOAD_TO_BYTES(payload) + 24 > PAGE_SIZE && | 1385 | while (SBP2_PAYLOAD_TO_BYTES(payload) + 24 > PAGE_SIZE && |
1696 | payload) | 1386 | payload) |
1697 | payload--; | 1387 | payload--; |
1698 | 1388 | ||
1699 | HPSB_DEBUG("Node " NODE_BUS_FMT ": Max speed [%s] - Max payload [%u]", | 1389 | SBP2_INFO("Node " NODE_BUS_FMT ": Max speed [%s] - Max payload [%u]", |
1700 | NODE_BUS_ARGS(hi->host, scsi_id->ne->nodeid), | 1390 | NODE_BUS_ARGS(hi->host, lu->ne->nodeid), |
1701 | hpsb_speedto_str[scsi_id->speed_code], | 1391 | hpsb_speedto_str[lu->speed_code], |
1702 | SBP2_PAYLOAD_TO_BYTES(payload)); | 1392 | SBP2_PAYLOAD_TO_BYTES(payload)); |
1703 | 1393 | ||
1704 | scsi_id->max_payload_size = payload; | 1394 | lu->max_payload_size = payload; |
1705 | return 0; | 1395 | return 0; |
1706 | } | 1396 | } |
1707 | 1397 | ||
1708 | /* | 1398 | static int sbp2_agent_reset(struct sbp2_lu *lu, int wait) |
1709 | * This function is called in order to perform a SBP-2 agent reset. | ||
1710 | */ | ||
1711 | static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait) | ||
1712 | { | 1399 | { |
1713 | quadlet_t data; | 1400 | quadlet_t data; |
1714 | u64 addr; | 1401 | u64 addr; |
1715 | int retval; | 1402 | int retval; |
1716 | unsigned long flags; | 1403 | unsigned long flags; |
1717 | 1404 | ||
1718 | SBP2_DEBUG_ENTER(); | 1405 | /* flush lu->protocol_work */ |
1719 | |||
1720 | cancel_delayed_work(&scsi_id->protocol_work); | ||
1721 | if (wait) | 1406 | if (wait) |
1722 | flush_scheduled_work(); | 1407 | flush_scheduled_work(); |
1723 | 1408 | ||
1724 | data = ntohl(SBP2_AGENT_RESET_DATA); | 1409 | data = ntohl(SBP2_AGENT_RESET_DATA); |
1725 | addr = scsi_id->sbp2_command_block_agent_addr + SBP2_AGENT_RESET_OFFSET; | 1410 | addr = lu->command_block_agent_addr + SBP2_AGENT_RESET_OFFSET; |
1726 | 1411 | ||
1727 | if (wait) | 1412 | if (wait) |
1728 | retval = hpsb_node_write(scsi_id->ne, addr, &data, 4); | 1413 | retval = hpsb_node_write(lu->ne, addr, &data, 4); |
1729 | else | 1414 | else |
1730 | retval = sbp2util_node_write_no_wait(scsi_id->ne, addr, &data, 4); | 1415 | retval = sbp2util_node_write_no_wait(lu->ne, addr, &data, 4); |
1731 | 1416 | ||
1732 | if (retval < 0) { | 1417 | if (retval < 0) { |
1733 | SBP2_ERR("hpsb_node_write failed.\n"); | 1418 | SBP2_ERR("hpsb_node_write failed.\n"); |
1734 | return -EIO; | 1419 | return -EIO; |
1735 | } | 1420 | } |
1736 | 1421 | ||
1737 | /* | 1422 | /* make sure that the ORB_POINTER is written on next command */ |
1738 | * Need to make sure orb pointer is written on next command | 1423 | spin_lock_irqsave(&lu->cmd_orb_lock, flags); |
1739 | */ | 1424 | lu->last_orb = NULL; |
1740 | spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); | 1425 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
1741 | scsi_id->last_orb = NULL; | ||
1742 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | ||
1743 | 1426 | ||
1744 | return 0; | 1427 | return 0; |
1745 | } | 1428 | } |
1746 | 1429 | ||
1747 | static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, | 1430 | static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, |
1748 | struct sbp2scsi_host_info *hi, | 1431 | struct sbp2_fwhost_info *hi, |
1749 | struct sbp2_command_info *command, | 1432 | struct sbp2_command_info *cmd, |
1750 | unsigned int scsi_use_sg, | 1433 | unsigned int scsi_use_sg, |
1751 | struct scatterlist *sgpnt, | 1434 | struct scatterlist *sgpnt, |
1752 | u32 orb_direction, | 1435 | u32 orb_direction, |
1753 | enum dma_data_direction dma_dir) | 1436 | enum dma_data_direction dma_dir) |
1754 | { | 1437 | { |
1755 | command->dma_dir = dma_dir; | 1438 | cmd->dma_dir = dma_dir; |
1756 | orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); | 1439 | orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); |
1757 | orb->misc |= ORB_SET_DIRECTION(orb_direction); | 1440 | orb->misc |= ORB_SET_DIRECTION(orb_direction); |
1758 | 1441 | ||
1759 | /* Special case if only one element (and less than 64KB in size) */ | 1442 | /* special case if only one element (and less than 64KB in size) */ |
1760 | if ((scsi_use_sg == 1) && | 1443 | if ((scsi_use_sg == 1) && |
1761 | (sgpnt[0].length <= SBP2_MAX_SG_ELEMENT_LENGTH)) { | 1444 | (sgpnt[0].length <= SBP2_MAX_SG_ELEMENT_LENGTH)) { |
1762 | 1445 | ||
1763 | SBP2_DEBUG("Only one s/g element"); | 1446 | cmd->dma_size = sgpnt[0].length; |
1764 | command->dma_size = sgpnt[0].length; | 1447 | cmd->dma_type = CMD_DMA_PAGE; |
1765 | command->dma_type = CMD_DMA_PAGE; | 1448 | cmd->cmd_dma = dma_map_page(&hi->host->device, |
1766 | command->cmd_dma = pci_map_page(hi->host->pdev, | 1449 | sgpnt[0].page, sgpnt[0].offset, |
1767 | sgpnt[0].page, | 1450 | cmd->dma_size, cmd->dma_dir); |
1768 | sgpnt[0].offset, | ||
1769 | command->dma_size, | ||
1770 | command->dma_dir); | ||
1771 | SBP2_DMA_ALLOC("single page scatter element"); | ||
1772 | 1451 | ||
1773 | orb->data_descriptor_lo = command->cmd_dma; | 1452 | orb->data_descriptor_lo = cmd->cmd_dma; |
1774 | orb->misc |= ORB_SET_DATA_SIZE(command->dma_size); | 1453 | orb->misc |= ORB_SET_DATA_SIZE(cmd->dma_size); |
1775 | 1454 | ||
1776 | } else { | 1455 | } else { |
1777 | struct sbp2_unrestricted_page_table *sg_element = | 1456 | struct sbp2_unrestricted_page_table *sg_element = |
1778 | &command->scatter_gather_element[0]; | 1457 | &cmd->scatter_gather_element[0]; |
1779 | u32 sg_count, sg_len; | 1458 | u32 sg_count, sg_len; |
1780 | dma_addr_t sg_addr; | 1459 | dma_addr_t sg_addr; |
1781 | int i, count = pci_map_sg(hi->host->pdev, sgpnt, scsi_use_sg, | 1460 | int i, count = dma_map_sg(&hi->host->device, sgpnt, scsi_use_sg, |
1782 | dma_dir); | 1461 | dma_dir); |
1783 | 1462 | ||
1784 | SBP2_DMA_ALLOC("scatter list"); | 1463 | cmd->dma_size = scsi_use_sg; |
1785 | 1464 | cmd->sge_buffer = sgpnt; | |
1786 | command->dma_size = scsi_use_sg; | ||
1787 | command->sge_buffer = sgpnt; | ||
1788 | 1465 | ||
1789 | /* use page tables (s/g) */ | 1466 | /* use page tables (s/g) */ |
1790 | orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); | 1467 | orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); |
1791 | orb->data_descriptor_lo = command->sge_dma; | 1468 | orb->data_descriptor_lo = cmd->sge_dma; |
1792 | 1469 | ||
1793 | /* | 1470 | /* loop through and fill out our SBP-2 page tables |
1794 | * Loop through and fill out our sbp-2 page tables | 1471 | * (and split up anything too large) */ |
1795 | * (and split up anything too large) | ||
1796 | */ | ||
1797 | for (i = 0, sg_count = 0 ; i < count; i++, sgpnt++) { | 1472 | for (i = 0, sg_count = 0 ; i < count; i++, sgpnt++) { |
1798 | sg_len = sg_dma_len(sgpnt); | 1473 | sg_len = sg_dma_len(sgpnt); |
1799 | sg_addr = sg_dma_address(sgpnt); | 1474 | sg_addr = sg_dma_address(sgpnt); |
@@ -1813,70 +1488,53 @@ static void sbp2_prep_command_orb_sg(struct sbp2_command_orb *orb, | |||
1813 | } | 1488 | } |
1814 | } | 1489 | } |
1815 | 1490 | ||
1816 | /* Number of page table (s/g) elements */ | ||
1817 | orb->misc |= ORB_SET_DATA_SIZE(sg_count); | 1491 | orb->misc |= ORB_SET_DATA_SIZE(sg_count); |
1818 | 1492 | ||
1819 | sbp2util_packet_dump(sg_element, | ||
1820 | (sizeof(struct sbp2_unrestricted_page_table)) * sg_count, | ||
1821 | "sbp2 s/g list", command->sge_dma); | ||
1822 | |||
1823 | /* Byte swap page tables if necessary */ | ||
1824 | sbp2util_cpu_to_be32_buffer(sg_element, | 1493 | sbp2util_cpu_to_be32_buffer(sg_element, |
1825 | (sizeof(struct sbp2_unrestricted_page_table)) * | 1494 | (sizeof(struct sbp2_unrestricted_page_table)) * |
1826 | sg_count); | 1495 | sg_count); |
1827 | } | 1496 | } |
1828 | } | 1497 | } |
1829 | 1498 | ||
1830 | static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, | 1499 | static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, |
1831 | struct sbp2scsi_host_info *hi, | 1500 | struct sbp2_fwhost_info *hi, |
1832 | struct sbp2_command_info *command, | 1501 | struct sbp2_command_info *cmd, |
1833 | struct scatterlist *sgpnt, | 1502 | struct scatterlist *sgpnt, |
1834 | u32 orb_direction, | 1503 | u32 orb_direction, |
1835 | unsigned int scsi_request_bufflen, | 1504 | unsigned int scsi_request_bufflen, |
1836 | void *scsi_request_buffer, | 1505 | void *scsi_request_buffer, |
1837 | enum dma_data_direction dma_dir) | 1506 | enum dma_data_direction dma_dir) |
1838 | { | 1507 | { |
1839 | command->dma_dir = dma_dir; | 1508 | cmd->dma_dir = dma_dir; |
1840 | command->dma_size = scsi_request_bufflen; | 1509 | cmd->dma_size = scsi_request_bufflen; |
1841 | command->dma_type = CMD_DMA_SINGLE; | 1510 | cmd->dma_type = CMD_DMA_SINGLE; |
1842 | command->cmd_dma = pci_map_single(hi->host->pdev, scsi_request_buffer, | 1511 | cmd->cmd_dma = dma_map_single(&hi->host->device, scsi_request_buffer, |
1843 | command->dma_size, command->dma_dir); | 1512 | cmd->dma_size, cmd->dma_dir); |
1844 | orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); | 1513 | orb->data_descriptor_hi = ORB_SET_NODE_ID(hi->host->node_id); |
1845 | orb->misc |= ORB_SET_DIRECTION(orb_direction); | 1514 | orb->misc |= ORB_SET_DIRECTION(orb_direction); |
1846 | 1515 | ||
1847 | SBP2_DMA_ALLOC("single bulk"); | 1516 | /* handle case where we get a command w/o s/g enabled |
1848 | 1517 | * (but check for transfers larger than 64K) */ | |
1849 | /* | ||
1850 | * Handle case where we get a command w/o s/g enabled (but | ||
1851 | * check for transfers larger than 64K) | ||
1852 | */ | ||
1853 | if (scsi_request_bufflen <= SBP2_MAX_SG_ELEMENT_LENGTH) { | 1518 | if (scsi_request_bufflen <= SBP2_MAX_SG_ELEMENT_LENGTH) { |
1854 | 1519 | ||
1855 | orb->data_descriptor_lo = command->cmd_dma; | 1520 | orb->data_descriptor_lo = cmd->cmd_dma; |
1856 | orb->misc |= ORB_SET_DATA_SIZE(scsi_request_bufflen); | 1521 | orb->misc |= ORB_SET_DATA_SIZE(scsi_request_bufflen); |
1857 | 1522 | ||
1858 | } else { | 1523 | } else { |
1524 | /* The buffer is too large. Turn this into page tables. */ | ||
1525 | |||
1859 | struct sbp2_unrestricted_page_table *sg_element = | 1526 | struct sbp2_unrestricted_page_table *sg_element = |
1860 | &command->scatter_gather_element[0]; | 1527 | &cmd->scatter_gather_element[0]; |
1861 | u32 sg_count, sg_len; | 1528 | u32 sg_count, sg_len; |
1862 | dma_addr_t sg_addr; | 1529 | dma_addr_t sg_addr; |
1863 | 1530 | ||
1864 | /* | 1531 | orb->data_descriptor_lo = cmd->sge_dma; |
1865 | * Need to turn this into page tables, since the | ||
1866 | * buffer is too large. | ||
1867 | */ | ||
1868 | orb->data_descriptor_lo = command->sge_dma; | ||
1869 | |||
1870 | /* Use page tables (s/g) */ | ||
1871 | orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); | 1532 | orb->misc |= ORB_SET_PAGE_TABLE_PRESENT(0x1); |
1872 | 1533 | ||
1873 | /* | 1534 | /* fill out our SBP-2 page tables; split up the large buffer */ |
1874 | * fill out our sbp-2 page tables (and split up | ||
1875 | * the large buffer) | ||
1876 | */ | ||
1877 | sg_count = 0; | 1535 | sg_count = 0; |
1878 | sg_len = scsi_request_bufflen; | 1536 | sg_len = scsi_request_bufflen; |
1879 | sg_addr = command->cmd_dma; | 1537 | sg_addr = cmd->cmd_dma; |
1880 | while (sg_len) { | 1538 | while (sg_len) { |
1881 | sg_element[sg_count].segment_base_lo = sg_addr; | 1539 | sg_element[sg_count].segment_base_lo = sg_addr; |
1882 | if (sg_len > SBP2_MAX_SG_ELEMENT_LENGTH) { | 1540 | if (sg_len > SBP2_MAX_SG_ELEMENT_LENGTH) { |
@@ -1892,50 +1550,40 @@ static void sbp2_prep_command_orb_no_sg(struct sbp2_command_orb *orb, | |||
1892 | sg_count++; | 1550 | sg_count++; |
1893 | } | 1551 | } |
1894 | 1552 | ||
1895 | /* Number of page table (s/g) elements */ | ||
1896 | orb->misc |= ORB_SET_DATA_SIZE(sg_count); | 1553 | orb->misc |= ORB_SET_DATA_SIZE(sg_count); |
1897 | 1554 | ||
1898 | sbp2util_packet_dump(sg_element, | ||
1899 | (sizeof(struct sbp2_unrestricted_page_table)) * sg_count, | ||
1900 | "sbp2 s/g list", command->sge_dma); | ||
1901 | |||
1902 | /* Byte swap page tables if necessary */ | ||
1903 | sbp2util_cpu_to_be32_buffer(sg_element, | 1555 | sbp2util_cpu_to_be32_buffer(sg_element, |
1904 | (sizeof(struct sbp2_unrestricted_page_table)) * | 1556 | (sizeof(struct sbp2_unrestricted_page_table)) * |
1905 | sg_count); | 1557 | sg_count); |
1906 | } | 1558 | } |
1907 | } | 1559 | } |
1908 | 1560 | ||
1909 | /* | 1561 | static void sbp2_create_command_orb(struct sbp2_lu *lu, |
1910 | * This function is called to create the actual command orb and s/g list | 1562 | struct sbp2_command_info *cmd, |
1911 | * out of the scsi command itself. | ||
1912 | */ | ||
1913 | static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, | ||
1914 | struct sbp2_command_info *command, | ||
1915 | unchar *scsi_cmd, | 1563 | unchar *scsi_cmd, |
1916 | unsigned int scsi_use_sg, | 1564 | unsigned int scsi_use_sg, |
1917 | unsigned int scsi_request_bufflen, | 1565 | unsigned int scsi_request_bufflen, |
1918 | void *scsi_request_buffer, | 1566 | void *scsi_request_buffer, |
1919 | enum dma_data_direction dma_dir) | 1567 | enum dma_data_direction dma_dir) |
1920 | { | 1568 | { |
1921 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 1569 | struct sbp2_fwhost_info *hi = lu->hi; |
1922 | struct scatterlist *sgpnt = (struct scatterlist *)scsi_request_buffer; | 1570 | struct scatterlist *sgpnt = (struct scatterlist *)scsi_request_buffer; |
1923 | struct sbp2_command_orb *command_orb = &command->command_orb; | 1571 | struct sbp2_command_orb *orb = &cmd->command_orb; |
1924 | u32 orb_direction; | 1572 | u32 orb_direction; |
1925 | 1573 | ||
1926 | /* | 1574 | /* |
1927 | * Set-up our command ORB.. | 1575 | * Set-up our command ORB. |
1928 | * | 1576 | * |
1929 | * NOTE: We're doing unrestricted page tables (s/g), as this is | 1577 | * NOTE: We're doing unrestricted page tables (s/g), as this is |
1930 | * best performance (at least with the devices I have). This means | 1578 | * best performance (at least with the devices I have). This means |
1931 | * that data_size becomes the number of s/g elements, and | 1579 | * that data_size becomes the number of s/g elements, and |
1932 | * page_size should be zero (for unrestricted). | 1580 | * page_size should be zero (for unrestricted). |
1933 | */ | 1581 | */ |
1934 | command_orb->next_ORB_hi = ORB_SET_NULL_PTR(1); | 1582 | orb->next_ORB_hi = ORB_SET_NULL_PTR(1); |
1935 | command_orb->next_ORB_lo = 0x0; | 1583 | orb->next_ORB_lo = 0x0; |
1936 | command_orb->misc = ORB_SET_MAX_PAYLOAD(scsi_id->max_payload_size); | 1584 | orb->misc = ORB_SET_MAX_PAYLOAD(lu->max_payload_size); |
1937 | command_orb->misc |= ORB_SET_SPEED(scsi_id->speed_code); | 1585 | orb->misc |= ORB_SET_SPEED(lu->speed_code); |
1938 | command_orb->misc |= ORB_SET_NOTIFY(1); /* Notify us when complete */ | 1586 | orb->misc |= ORB_SET_NOTIFY(1); |
1939 | 1587 | ||
1940 | if (dma_dir == DMA_NONE) | 1588 | if (dma_dir == DMA_NONE) |
1941 | orb_direction = ORB_DIRECTION_NO_DATA_TRANSFER; | 1589 | orb_direction = ORB_DIRECTION_NO_DATA_TRANSFER; |
@@ -1944,66 +1592,51 @@ static void sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, | |||
1944 | else if (dma_dir == DMA_FROM_DEVICE && scsi_request_bufflen) | 1592 | else if (dma_dir == DMA_FROM_DEVICE && scsi_request_bufflen) |
1945 | orb_direction = ORB_DIRECTION_READ_FROM_MEDIA; | 1593 | orb_direction = ORB_DIRECTION_READ_FROM_MEDIA; |
1946 | else { | 1594 | else { |
1947 | SBP2_WARN("Falling back to DMA_NONE"); | 1595 | SBP2_INFO("Falling back to DMA_NONE"); |
1948 | orb_direction = ORB_DIRECTION_NO_DATA_TRANSFER; | 1596 | orb_direction = ORB_DIRECTION_NO_DATA_TRANSFER; |
1949 | } | 1597 | } |
1950 | 1598 | ||
1951 | /* Set-up our pagetable stuff */ | 1599 | /* set up our page table stuff */ |
1952 | if (orb_direction == ORB_DIRECTION_NO_DATA_TRANSFER) { | 1600 | if (orb_direction == ORB_DIRECTION_NO_DATA_TRANSFER) { |
1953 | SBP2_DEBUG("No data transfer"); | 1601 | orb->data_descriptor_hi = 0x0; |
1954 | command_orb->data_descriptor_hi = 0x0; | 1602 | orb->data_descriptor_lo = 0x0; |
1955 | command_orb->data_descriptor_lo = 0x0; | 1603 | orb->misc |= ORB_SET_DIRECTION(1); |
1956 | command_orb->misc |= ORB_SET_DIRECTION(1); | 1604 | } else if (scsi_use_sg) |
1957 | } else if (scsi_use_sg) { | 1605 | sbp2_prep_command_orb_sg(orb, hi, cmd, scsi_use_sg, sgpnt, |
1958 | SBP2_DEBUG("Use scatter/gather"); | 1606 | orb_direction, dma_dir); |
1959 | sbp2_prep_command_orb_sg(command_orb, hi, command, scsi_use_sg, | 1607 | else |
1960 | sgpnt, orb_direction, dma_dir); | 1608 | sbp2_prep_command_orb_no_sg(orb, hi, cmd, sgpnt, orb_direction, |
1961 | } else { | 1609 | scsi_request_bufflen, |
1962 | SBP2_DEBUG("No scatter/gather"); | ||
1963 | sbp2_prep_command_orb_no_sg(command_orb, hi, command, sgpnt, | ||
1964 | orb_direction, scsi_request_bufflen, | ||
1965 | scsi_request_buffer, dma_dir); | 1610 | scsi_request_buffer, dma_dir); |
1966 | } | ||
1967 | 1611 | ||
1968 | /* Byte swap command ORB if necessary */ | 1612 | sbp2util_cpu_to_be32_buffer(orb, sizeof(*orb)); |
1969 | sbp2util_cpu_to_be32_buffer(command_orb, sizeof(struct sbp2_command_orb)); | ||
1970 | 1613 | ||
1971 | /* Put our scsi command in the command ORB */ | 1614 | memset(orb->cdb, 0, 12); |
1972 | memset(command_orb->cdb, 0, 12); | 1615 | memcpy(orb->cdb, scsi_cmd, COMMAND_SIZE(*scsi_cmd)); |
1973 | memcpy(command_orb->cdb, scsi_cmd, COMMAND_SIZE(*scsi_cmd)); | ||
1974 | } | 1616 | } |
1975 | 1617 | ||
1976 | /* | 1618 | static void sbp2_link_orb_command(struct sbp2_lu *lu, |
1977 | * This function is called in order to begin a regular SBP-2 command. | 1619 | struct sbp2_command_info *cmd) |
1978 | */ | ||
1979 | static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, | ||
1980 | struct sbp2_command_info *command) | ||
1981 | { | 1620 | { |
1982 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 1621 | struct sbp2_fwhost_info *hi = lu->hi; |
1983 | struct sbp2_command_orb *command_orb = &command->command_orb; | ||
1984 | struct sbp2_command_orb *last_orb; | 1622 | struct sbp2_command_orb *last_orb; |
1985 | dma_addr_t last_orb_dma; | 1623 | dma_addr_t last_orb_dma; |
1986 | u64 addr = scsi_id->sbp2_command_block_agent_addr; | 1624 | u64 addr = lu->command_block_agent_addr; |
1987 | quadlet_t data[2]; | 1625 | quadlet_t data[2]; |
1988 | size_t length; | 1626 | size_t length; |
1989 | unsigned long flags; | 1627 | unsigned long flags; |
1990 | 1628 | ||
1991 | outstanding_orb_incr; | 1629 | dma_sync_single_for_device(&hi->host->device, cmd->command_orb_dma, |
1992 | SBP2_ORB_DEBUG("sending command orb %p, total orbs = %x", | 1630 | sizeof(struct sbp2_command_orb), |
1993 | command_orb, global_outstanding_command_orbs); | 1631 | DMA_TO_DEVICE); |
1994 | 1632 | dma_sync_single_for_device(&hi->host->device, cmd->sge_dma, | |
1995 | pci_dma_sync_single_for_device(hi->host->pdev, command->command_orb_dma, | 1633 | sizeof(cmd->scatter_gather_element), |
1996 | sizeof(struct sbp2_command_orb), | 1634 | DMA_BIDIRECTIONAL); |
1997 | PCI_DMA_TODEVICE); | 1635 | |
1998 | pci_dma_sync_single_for_device(hi->host->pdev, command->sge_dma, | 1636 | /* check to see if there are any previous orbs to use */ |
1999 | sizeof(command->scatter_gather_element), | 1637 | spin_lock_irqsave(&lu->cmd_orb_lock, flags); |
2000 | PCI_DMA_BIDIRECTIONAL); | 1638 | last_orb = lu->last_orb; |
2001 | /* | 1639 | last_orb_dma = lu->last_orb_dma; |
2002 | * Check to see if there are any previous orbs to use | ||
2003 | */ | ||
2004 | spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); | ||
2005 | last_orb = scsi_id->last_orb; | ||
2006 | last_orb_dma = scsi_id->last_orb_dma; | ||
2007 | if (!last_orb) { | 1640 | if (!last_orb) { |
2008 | /* | 1641 | /* |
2009 | * last_orb == NULL means: We know that the target's fetch agent | 1642 | * last_orb == NULL means: We know that the target's fetch agent |
@@ -2011,7 +1644,7 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, | |||
2011 | */ | 1644 | */ |
2012 | addr += SBP2_ORB_POINTER_OFFSET; | 1645 | addr += SBP2_ORB_POINTER_OFFSET; |
2013 | data[0] = ORB_SET_NODE_ID(hi->host->node_id); | 1646 | data[0] = ORB_SET_NODE_ID(hi->host->node_id); |
2014 | data[1] = command->command_orb_dma; | 1647 | data[1] = cmd->command_orb_dma; |
2015 | sbp2util_cpu_to_be32_buffer(data, 8); | 1648 | sbp2util_cpu_to_be32_buffer(data, 8); |
2016 | length = 8; | 1649 | length = 8; |
2017 | } else { | 1650 | } else { |
@@ -2022,27 +1655,25 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, | |||
2022 | * The target's fetch agent may or may not have read this | 1655 | * The target's fetch agent may or may not have read this |
2023 | * previous ORB yet. | 1656 | * previous ORB yet. |
2024 | */ | 1657 | */ |
2025 | pci_dma_sync_single_for_cpu(hi->host->pdev, last_orb_dma, | 1658 | dma_sync_single_for_cpu(&hi->host->device, last_orb_dma, |
2026 | sizeof(struct sbp2_command_orb), | 1659 | sizeof(struct sbp2_command_orb), |
2027 | PCI_DMA_TODEVICE); | 1660 | DMA_TO_DEVICE); |
2028 | last_orb->next_ORB_lo = cpu_to_be32(command->command_orb_dma); | 1661 | last_orb->next_ORB_lo = cpu_to_be32(cmd->command_orb_dma); |
2029 | wmb(); | 1662 | wmb(); |
2030 | /* Tells hardware that this pointer is valid */ | 1663 | /* Tells hardware that this pointer is valid */ |
2031 | last_orb->next_ORB_hi = 0; | 1664 | last_orb->next_ORB_hi = 0; |
2032 | pci_dma_sync_single_for_device(hi->host->pdev, last_orb_dma, | 1665 | dma_sync_single_for_device(&hi->host->device, last_orb_dma, |
2033 | sizeof(struct sbp2_command_orb), | 1666 | sizeof(struct sbp2_command_orb), |
2034 | PCI_DMA_TODEVICE); | 1667 | DMA_TO_DEVICE); |
2035 | addr += SBP2_DOORBELL_OFFSET; | 1668 | addr += SBP2_DOORBELL_OFFSET; |
2036 | data[0] = 0; | 1669 | data[0] = 0; |
2037 | length = 4; | 1670 | length = 4; |
2038 | } | 1671 | } |
2039 | scsi_id->last_orb = command_orb; | 1672 | lu->last_orb = &cmd->command_orb; |
2040 | scsi_id->last_orb_dma = command->command_orb_dma; | 1673 | lu->last_orb_dma = cmd->command_orb_dma; |
2041 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | 1674 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
2042 | 1675 | ||
2043 | SBP2_ORB_DEBUG("write to %s register, command orb %p", | 1676 | if (sbp2util_node_write_no_wait(lu->ne, addr, data, length)) { |
2044 | last_orb ? "DOORBELL" : "ORB_POINTER", command_orb); | ||
2045 | if (sbp2util_node_write_no_wait(scsi_id->ne, addr, data, length)) { | ||
2046 | /* | 1677 | /* |
2047 | * sbp2util_node_write_no_wait failed. We certainly ran out | 1678 | * sbp2util_node_write_no_wait failed. We certainly ran out |
2048 | * of transaction labels, perhaps just because there were no | 1679 | * of transaction labels, perhaps just because there were no |
@@ -2051,51 +1682,29 @@ static void sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, | |||
2051 | * the workqueue job will sleep to guaranteedly get a tlabel. | 1682 | * the workqueue job will sleep to guaranteedly get a tlabel. |
2052 | * We do not accept new commands until the job is over. | 1683 | * We do not accept new commands until the job is over. |
2053 | */ | 1684 | */ |
2054 | scsi_block_requests(scsi_id->scsi_host); | 1685 | scsi_block_requests(lu->shost); |
2055 | PREPARE_DELAYED_WORK(&scsi_id->protocol_work, | 1686 | PREPARE_WORK(&lu->protocol_work, |
2056 | last_orb ? sbp2util_write_doorbell: | 1687 | last_orb ? sbp2util_write_doorbell: |
2057 | sbp2util_write_orb_pointer); | 1688 | sbp2util_write_orb_pointer); |
2058 | schedule_delayed_work(&scsi_id->protocol_work, 0); | 1689 | schedule_work(&lu->protocol_work); |
2059 | } | 1690 | } |
2060 | } | 1691 | } |
2061 | 1692 | ||
2062 | /* | 1693 | static int sbp2_send_command(struct sbp2_lu *lu, struct scsi_cmnd *SCpnt, |
2063 | * This function is called in order to begin a regular SBP-2 command. | ||
2064 | */ | ||
2065 | static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, | ||
2066 | struct scsi_cmnd *SCpnt, | ||
2067 | void (*done)(struct scsi_cmnd *)) | 1694 | void (*done)(struct scsi_cmnd *)) |
2068 | { | 1695 | { |
2069 | unchar *cmd = (unchar *) SCpnt->cmnd; | 1696 | unchar *scsi_cmd = (unchar *)SCpnt->cmnd; |
2070 | unsigned int request_bufflen = SCpnt->request_bufflen; | 1697 | unsigned int request_bufflen = SCpnt->request_bufflen; |
2071 | struct sbp2_command_info *command; | 1698 | struct sbp2_command_info *cmd; |
2072 | 1699 | ||
2073 | SBP2_DEBUG_ENTER(); | 1700 | cmd = sbp2util_allocate_command_orb(lu, SCpnt, done); |
2074 | SBP2_DEBUG("SCSI transfer size = %x", request_bufflen); | 1701 | if (!cmd) |
2075 | SBP2_DEBUG("SCSI s/g elements = %x", (unsigned int)SCpnt->use_sg); | ||
2076 | |||
2077 | /* | ||
2078 | * Allocate a command orb and s/g structure | ||
2079 | */ | ||
2080 | command = sbp2util_allocate_command_orb(scsi_id, SCpnt, done); | ||
2081 | if (!command) { | ||
2082 | return -EIO; | 1702 | return -EIO; |
2083 | } | ||
2084 | 1703 | ||
2085 | /* | 1704 | sbp2_create_command_orb(lu, cmd, scsi_cmd, SCpnt->use_sg, |
2086 | * Now actually fill in the comamnd orb and sbp2 s/g list | ||
2087 | */ | ||
2088 | sbp2_create_command_orb(scsi_id, command, cmd, SCpnt->use_sg, | ||
2089 | request_bufflen, SCpnt->request_buffer, | 1705 | request_bufflen, SCpnt->request_buffer, |
2090 | SCpnt->sc_data_direction); | 1706 | SCpnt->sc_data_direction); |
2091 | 1707 | sbp2_link_orb_command(lu, cmd); | |
2092 | sbp2util_packet_dump(&command->command_orb, sizeof(struct sbp2_command_orb), | ||
2093 | "sbp2 command orb", command->command_orb_dma); | ||
2094 | |||
2095 | /* | ||
2096 | * Link up the orb, and ring the doorbell if needed | ||
2097 | */ | ||
2098 | sbp2_link_orb_command(scsi_id, command); | ||
2099 | 1708 | ||
2100 | return 0; | 1709 | return 0; |
2101 | } | 1710 | } |
@@ -2103,13 +1712,10 @@ static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, | |||
2103 | /* | 1712 | /* |
2104 | * Translates SBP-2 status into SCSI sense data for check conditions | 1713 | * Translates SBP-2 status into SCSI sense data for check conditions |
2105 | */ | 1714 | */ |
2106 | static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data) | 1715 | static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, |
1716 | unchar *sense_data) | ||
2107 | { | 1717 | { |
2108 | SBP2_DEBUG_ENTER(); | 1718 | /* OK, it's pretty ugly... ;-) */ |
2109 | |||
2110 | /* | ||
2111 | * Ok, it's pretty ugly... ;-) | ||
2112 | */ | ||
2113 | sense_data[0] = 0x70; | 1719 | sense_data[0] = 0x70; |
2114 | sense_data[1] = 0x0; | 1720 | sense_data[1] = 0x0; |
2115 | sense_data[2] = sbp2_status[9]; | 1721 | sense_data[2] = sbp2_status[9]; |
@@ -2127,28 +1733,21 @@ static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense | |||
2127 | sense_data[14] = sbp2_status[20]; | 1733 | sense_data[14] = sbp2_status[20]; |
2128 | sense_data[15] = sbp2_status[21]; | 1734 | sense_data[15] = sbp2_status[21]; |
2129 | 1735 | ||
2130 | return sbp2_status[8] & 0x3f; /* return scsi status */ | 1736 | return sbp2_status[8] & 0x3f; |
2131 | } | 1737 | } |
2132 | 1738 | ||
2133 | /* | ||
2134 | * This function deals with status writes from the SBP-2 device | ||
2135 | */ | ||
2136 | static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, | 1739 | static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, |
2137 | int destid, quadlet_t *data, u64 addr, | 1740 | int destid, quadlet_t *data, u64 addr, |
2138 | size_t length, u16 fl) | 1741 | size_t length, u16 fl) |
2139 | { | 1742 | { |
2140 | struct sbp2scsi_host_info *hi; | 1743 | struct sbp2_fwhost_info *hi; |
2141 | struct scsi_id_instance_data *scsi_id = NULL, *scsi_id_tmp; | 1744 | struct sbp2_lu *lu = NULL, *lu_tmp; |
2142 | struct scsi_cmnd *SCpnt = NULL; | 1745 | struct scsi_cmnd *SCpnt = NULL; |
2143 | struct sbp2_status_block *sb; | 1746 | struct sbp2_status_block *sb; |
2144 | u32 scsi_status = SBP2_SCSI_STATUS_GOOD; | 1747 | u32 scsi_status = SBP2_SCSI_STATUS_GOOD; |
2145 | struct sbp2_command_info *command; | 1748 | struct sbp2_command_info *cmd; |
2146 | unsigned long flags; | 1749 | unsigned long flags; |
2147 | 1750 | ||
2148 | SBP2_DEBUG_ENTER(); | ||
2149 | |||
2150 | sbp2util_packet_dump(data, length, "sbp2 status write by device", (u32)addr); | ||
2151 | |||
2152 | if (unlikely(length < 8 || length > sizeof(struct sbp2_status_block))) { | 1751 | if (unlikely(length < 8 || length > sizeof(struct sbp2_status_block))) { |
2153 | SBP2_ERR("Wrong size of status block"); | 1752 | SBP2_ERR("Wrong size of status block"); |
2154 | return RCODE_ADDRESS_ERROR; | 1753 | return RCODE_ADDRESS_ERROR; |
@@ -2162,131 +1761,97 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, | |||
2162 | SBP2_ERR("host info is NULL - this is bad!"); | 1761 | SBP2_ERR("host info is NULL - this is bad!"); |
2163 | return RCODE_ADDRESS_ERROR; | 1762 | return RCODE_ADDRESS_ERROR; |
2164 | } | 1763 | } |
2165 | /* | 1764 | |
2166 | * Find our scsi_id structure by looking at the status fifo address | 1765 | /* Find the unit which wrote the status. */ |
2167 | * written to by the sbp2 device. | 1766 | list_for_each_entry(lu_tmp, &hi->logical_units, lu_list) { |
2168 | */ | 1767 | if (lu_tmp->ne->nodeid == nodeid && |
2169 | list_for_each_entry(scsi_id_tmp, &hi->scsi_ids, scsi_list) { | 1768 | lu_tmp->status_fifo_addr == addr) { |
2170 | if (scsi_id_tmp->ne->nodeid == nodeid && | 1769 | lu = lu_tmp; |
2171 | scsi_id_tmp->status_fifo_addr == addr) { | ||
2172 | scsi_id = scsi_id_tmp; | ||
2173 | break; | 1770 | break; |
2174 | } | 1771 | } |
2175 | } | 1772 | } |
2176 | if (unlikely(!scsi_id)) { | 1773 | if (unlikely(!lu)) { |
2177 | SBP2_ERR("scsi_id is NULL - device is gone?"); | 1774 | SBP2_ERR("lu is NULL - device is gone?"); |
2178 | return RCODE_ADDRESS_ERROR; | 1775 | return RCODE_ADDRESS_ERROR; |
2179 | } | 1776 | } |
2180 | 1777 | ||
2181 | /* | 1778 | /* Put response into lu status fifo buffer. The first two bytes |
2182 | * Put response into scsi_id status fifo buffer. The first two bytes | ||
2183 | * come in big endian bit order. Often the target writes only a | 1779 | * come in big endian bit order. Often the target writes only a |
2184 | * truncated status block, minimally the first two quadlets. The rest | 1780 | * truncated status block, minimally the first two quadlets. The rest |
2185 | * is implied to be zeros. | 1781 | * is implied to be zeros. */ |
2186 | */ | 1782 | sb = &lu->status_block; |
2187 | sb = &scsi_id->status_block; | ||
2188 | memset(sb->command_set_dependent, 0, sizeof(sb->command_set_dependent)); | 1783 | memset(sb->command_set_dependent, 0, sizeof(sb->command_set_dependent)); |
2189 | memcpy(sb, data, length); | 1784 | memcpy(sb, data, length); |
2190 | sbp2util_be32_to_cpu_buffer(sb, 8); | 1785 | sbp2util_be32_to_cpu_buffer(sb, 8); |
2191 | 1786 | ||
2192 | /* | 1787 | /* Ignore unsolicited status. Handle command ORB status. */ |
2193 | * Ignore unsolicited status. Handle command ORB status. | ||
2194 | */ | ||
2195 | if (unlikely(STATUS_GET_SRC(sb->ORB_offset_hi_misc) == 2)) | 1788 | if (unlikely(STATUS_GET_SRC(sb->ORB_offset_hi_misc) == 2)) |
2196 | command = NULL; | 1789 | cmd = NULL; |
2197 | else | 1790 | else |
2198 | command = sbp2util_find_command_for_orb(scsi_id, | 1791 | cmd = sbp2util_find_command_for_orb(lu, sb->ORB_offset_lo); |
2199 | sb->ORB_offset_lo); | 1792 | if (cmd) { |
2200 | if (command) { | 1793 | dma_sync_single_for_cpu(&hi->host->device, cmd->command_orb_dma, |
2201 | SBP2_DEBUG("Found status for command ORB"); | 1794 | sizeof(struct sbp2_command_orb), |
2202 | pci_dma_sync_single_for_cpu(hi->host->pdev, command->command_orb_dma, | 1795 | DMA_TO_DEVICE); |
2203 | sizeof(struct sbp2_command_orb), | 1796 | dma_sync_single_for_cpu(&hi->host->device, cmd->sge_dma, |
2204 | PCI_DMA_TODEVICE); | 1797 | sizeof(cmd->scatter_gather_element), |
2205 | pci_dma_sync_single_for_cpu(hi->host->pdev, command->sge_dma, | 1798 | DMA_BIDIRECTIONAL); |
2206 | sizeof(command->scatter_gather_element), | 1799 | /* Grab SCSI command pointers and check status. */ |
2207 | PCI_DMA_BIDIRECTIONAL); | ||
2208 | |||
2209 | SBP2_ORB_DEBUG("matched command orb %p", &command->command_orb); | ||
2210 | outstanding_orb_decr; | ||
2211 | |||
2212 | /* | ||
2213 | * Matched status with command, now grab scsi command pointers | ||
2214 | * and check status. | ||
2215 | */ | ||
2216 | /* | 1800 | /* |
2217 | * FIXME: If the src field in the status is 1, the ORB DMA must | 1801 | * FIXME: If the src field in the status is 1, the ORB DMA must |
2218 | * not be reused until status for a subsequent ORB is received. | 1802 | * not be reused until status for a subsequent ORB is received. |
2219 | */ | 1803 | */ |
2220 | SCpnt = command->Current_SCpnt; | 1804 | SCpnt = cmd->Current_SCpnt; |
2221 | spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); | 1805 | spin_lock_irqsave(&lu->cmd_orb_lock, flags); |
2222 | sbp2util_mark_command_completed(scsi_id, command); | 1806 | sbp2util_mark_command_completed(lu, cmd); |
2223 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | 1807 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
2224 | 1808 | ||
2225 | if (SCpnt) { | 1809 | if (SCpnt) { |
2226 | u32 h = sb->ORB_offset_hi_misc; | 1810 | u32 h = sb->ORB_offset_hi_misc; |
2227 | u32 r = STATUS_GET_RESP(h); | 1811 | u32 r = STATUS_GET_RESP(h); |
2228 | 1812 | ||
2229 | if (r != RESP_STATUS_REQUEST_COMPLETE) { | 1813 | if (r != RESP_STATUS_REQUEST_COMPLETE) { |
2230 | SBP2_WARN("resp 0x%x, sbp_status 0x%x", | 1814 | SBP2_INFO("resp 0x%x, sbp_status 0x%x", |
2231 | r, STATUS_GET_SBP_STATUS(h)); | 1815 | r, STATUS_GET_SBP_STATUS(h)); |
2232 | scsi_status = | 1816 | scsi_status = |
2233 | r == RESP_STATUS_TRANSPORT_FAILURE ? | 1817 | r == RESP_STATUS_TRANSPORT_FAILURE ? |
2234 | SBP2_SCSI_STATUS_BUSY : | 1818 | SBP2_SCSI_STATUS_BUSY : |
2235 | SBP2_SCSI_STATUS_COMMAND_TERMINATED; | 1819 | SBP2_SCSI_STATUS_COMMAND_TERMINATED; |
2236 | } | 1820 | } |
2237 | /* | 1821 | |
2238 | * See if the target stored any scsi status information. | 1822 | if (STATUS_GET_LEN(h) > 1) |
2239 | */ | ||
2240 | if (STATUS_GET_LEN(h) > 1) { | ||
2241 | SBP2_DEBUG("CHECK CONDITION"); | ||
2242 | scsi_status = sbp2_status_to_sense_data( | 1823 | scsi_status = sbp2_status_to_sense_data( |
2243 | (unchar *)sb, SCpnt->sense_buffer); | 1824 | (unchar *)sb, SCpnt->sense_buffer); |
2244 | } | 1825 | |
2245 | /* | 1826 | if (STATUS_TEST_DEAD(h)) |
2246 | * Check to see if the dead bit is set. If so, we'll | 1827 | sbp2_agent_reset(lu, 0); |
2247 | * have to initiate a fetch agent reset. | ||
2248 | */ | ||
2249 | if (STATUS_TEST_DEAD(h)) { | ||
2250 | SBP2_DEBUG("Dead bit set - " | ||
2251 | "initiating fetch agent reset"); | ||
2252 | sbp2_agent_reset(scsi_id, 0); | ||
2253 | } | ||
2254 | SBP2_ORB_DEBUG("completing command orb %p", &command->command_orb); | ||
2255 | } | 1828 | } |
2256 | 1829 | ||
2257 | /* | 1830 | /* Check here to see if there are no commands in-use. If there |
2258 | * Check here to see if there are no commands in-use. If there | ||
2259 | * are none, we know that the fetch agent left the active state | 1831 | * are none, we know that the fetch agent left the active state |
2260 | * _and_ that we did not reactivate it yet. Therefore clear | 1832 | * _and_ that we did not reactivate it yet. Therefore clear |
2261 | * last_orb so that next time we write directly to the | 1833 | * last_orb so that next time we write directly to the |
2262 | * ORB_POINTER register. That way the fetch agent does not need | 1834 | * ORB_POINTER register. That way the fetch agent does not need |
2263 | * to refetch the next_ORB. | 1835 | * to refetch the next_ORB. */ |
2264 | */ | 1836 | spin_lock_irqsave(&lu->cmd_orb_lock, flags); |
2265 | spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); | 1837 | if (list_empty(&lu->cmd_orb_inuse)) |
2266 | if (list_empty(&scsi_id->sbp2_command_orb_inuse)) | 1838 | lu->last_orb = NULL; |
2267 | scsi_id->last_orb = NULL; | 1839 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
2268 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | ||
2269 | 1840 | ||
2270 | } else { | 1841 | } else { |
2271 | /* | 1842 | /* It's probably status after a management request. */ |
2272 | * It's probably a login/logout/reconnect status. | 1843 | if ((sb->ORB_offset_lo == lu->reconnect_orb_dma) || |
2273 | */ | 1844 | (sb->ORB_offset_lo == lu->login_orb_dma) || |
2274 | if ((sb->ORB_offset_lo == scsi_id->reconnect_orb_dma) || | 1845 | (sb->ORB_offset_lo == lu->query_logins_orb_dma) || |
2275 | (sb->ORB_offset_lo == scsi_id->login_orb_dma) || | 1846 | (sb->ORB_offset_lo == lu->logout_orb_dma)) { |
2276 | (sb->ORB_offset_lo == scsi_id->query_logins_orb_dma) || | 1847 | lu->access_complete = 1; |
2277 | (sb->ORB_offset_lo == scsi_id->logout_orb_dma)) { | 1848 | wake_up_interruptible(&sbp2_access_wq); |
2278 | scsi_id->access_complete = 1; | ||
2279 | wake_up_interruptible(&access_wq); | ||
2280 | } | 1849 | } |
2281 | } | 1850 | } |
2282 | 1851 | ||
2283 | if (SCpnt) { | 1852 | if (SCpnt) |
2284 | SBP2_DEBUG("Completing SCSI command"); | 1853 | sbp2scsi_complete_command(lu, scsi_status, SCpnt, |
2285 | sbp2scsi_complete_command(scsi_id, scsi_status, SCpnt, | 1854 | cmd->Current_done); |
2286 | command->Current_done); | ||
2287 | SBP2_ORB_DEBUG("command orb completed"); | ||
2288 | } | ||
2289 | |||
2290 | return RCODE_COMPLETE; | 1855 | return RCODE_COMPLETE; |
2291 | } | 1856 | } |
2292 | 1857 | ||
@@ -2294,77 +1859,57 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, | |||
2294 | * SCSI interface related section | 1859 | * SCSI interface related section |
2295 | **************************************/ | 1860 | **************************************/ |
2296 | 1861 | ||
2297 | /* | ||
2298 | * This routine is the main request entry routine for doing I/O. It is | ||
2299 | * called from the scsi stack directly. | ||
2300 | */ | ||
2301 | static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, | 1862 | static int sbp2scsi_queuecommand(struct scsi_cmnd *SCpnt, |
2302 | void (*done)(struct scsi_cmnd *)) | 1863 | void (*done)(struct scsi_cmnd *)) |
2303 | { | 1864 | { |
2304 | struct scsi_id_instance_data *scsi_id = | 1865 | struct sbp2_lu *lu = (struct sbp2_lu *)SCpnt->device->host->hostdata[0]; |
2305 | (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; | 1866 | struct sbp2_fwhost_info *hi; |
2306 | struct sbp2scsi_host_info *hi; | ||
2307 | int result = DID_NO_CONNECT << 16; | 1867 | int result = DID_NO_CONNECT << 16; |
2308 | 1868 | ||
2309 | SBP2_DEBUG_ENTER(); | 1869 | if (unlikely(!sbp2util_node_is_available(lu))) |
2310 | #if (CONFIG_IEEE1394_SBP2_DEBUG >= 2) || defined(CONFIG_IEEE1394_SBP2_PACKET_DUMP) | ||
2311 | scsi_print_command(SCpnt); | ||
2312 | #endif | ||
2313 | |||
2314 | if (!sbp2util_node_is_available(scsi_id)) | ||
2315 | goto done; | 1870 | goto done; |
2316 | 1871 | ||
2317 | hi = scsi_id->hi; | 1872 | hi = lu->hi; |
2318 | 1873 | ||
2319 | if (!hi) { | 1874 | if (unlikely(!hi)) { |
2320 | SBP2_ERR("sbp2scsi_host_info is NULL - this is bad!"); | 1875 | SBP2_ERR("sbp2_fwhost_info is NULL - this is bad!"); |
2321 | goto done; | 1876 | goto done; |
2322 | } | 1877 | } |
2323 | 1878 | ||
2324 | /* | 1879 | /* Multiple units are currently represented to the SCSI core as separate |
2325 | * Until we handle multiple luns, just return selection time-out | 1880 | * targets, not as one target with multiple LUs. Therefore return |
2326 | * to any IO directed at non-zero LUNs | 1881 | * selection time-out to any IO directed at non-zero LUNs. */ |
2327 | */ | 1882 | if (unlikely(SCpnt->device->lun)) |
2328 | if (SCpnt->device->lun) | ||
2329 | goto done; | 1883 | goto done; |
2330 | 1884 | ||
2331 | /* | 1885 | /* handle the request sense command here (auto-request sense) */ |
2332 | * Check for request sense command, and handle it here | ||
2333 | * (autorequest sense) | ||
2334 | */ | ||
2335 | if (SCpnt->cmnd[0] == REQUEST_SENSE) { | 1886 | if (SCpnt->cmnd[0] == REQUEST_SENSE) { |
2336 | SBP2_DEBUG("REQUEST_SENSE"); | 1887 | memcpy(SCpnt->request_buffer, SCpnt->sense_buffer, |
2337 | memcpy(SCpnt->request_buffer, SCpnt->sense_buffer, SCpnt->request_bufflen); | 1888 | SCpnt->request_bufflen); |
2338 | memset(SCpnt->sense_buffer, 0, sizeof(SCpnt->sense_buffer)); | 1889 | memset(SCpnt->sense_buffer, 0, sizeof(SCpnt->sense_buffer)); |
2339 | sbp2scsi_complete_command(scsi_id, SBP2_SCSI_STATUS_GOOD, SCpnt, done); | 1890 | sbp2scsi_complete_command(lu, SBP2_SCSI_STATUS_GOOD, SCpnt, |
1891 | done); | ||
2340 | return 0; | 1892 | return 0; |
2341 | } | 1893 | } |
2342 | 1894 | ||
2343 | /* | 1895 | if (unlikely(!hpsb_node_entry_valid(lu->ne))) { |
2344 | * Check to see if we are in the middle of a bus reset. | ||
2345 | */ | ||
2346 | if (!hpsb_node_entry_valid(scsi_id->ne)) { | ||
2347 | SBP2_ERR("Bus reset in progress - rejecting command"); | 1896 | SBP2_ERR("Bus reset in progress - rejecting command"); |
2348 | result = DID_BUS_BUSY << 16; | 1897 | result = DID_BUS_BUSY << 16; |
2349 | goto done; | 1898 | goto done; |
2350 | } | 1899 | } |
2351 | 1900 | ||
2352 | /* | 1901 | /* Bidirectional commands are not yet implemented, |
2353 | * Bidirectional commands are not yet implemented, | 1902 | * and unknown transfer direction not handled. */ |
2354 | * and unknown transfer direction not handled. | 1903 | if (unlikely(SCpnt->sc_data_direction == DMA_BIDIRECTIONAL)) { |
2355 | */ | ||
2356 | if (SCpnt->sc_data_direction == DMA_BIDIRECTIONAL) { | ||
2357 | SBP2_ERR("Cannot handle DMA_BIDIRECTIONAL - rejecting command"); | 1904 | SBP2_ERR("Cannot handle DMA_BIDIRECTIONAL - rejecting command"); |
2358 | result = DID_ERROR << 16; | 1905 | result = DID_ERROR << 16; |
2359 | goto done; | 1906 | goto done; |
2360 | } | 1907 | } |
2361 | 1908 | ||
2362 | /* | 1909 | if (sbp2_send_command(lu, SCpnt, done)) { |
2363 | * Try and send our SCSI command | ||
2364 | */ | ||
2365 | if (sbp2_send_command(scsi_id, SCpnt, done)) { | ||
2366 | SBP2_ERR("Error sending SCSI command"); | 1910 | SBP2_ERR("Error sending SCSI command"); |
2367 | sbp2scsi_complete_command(scsi_id, SBP2_SCSI_STATUS_SELECTION_TIMEOUT, | 1911 | sbp2scsi_complete_command(lu, |
1912 | SBP2_SCSI_STATUS_SELECTION_TIMEOUT, | ||
2368 | SCpnt, done); | 1913 | SCpnt, done); |
2369 | } | 1914 | } |
2370 | return 0; | 1915 | return 0; |
@@ -2375,75 +1920,46 @@ done: | |||
2375 | return 0; | 1920 | return 0; |
2376 | } | 1921 | } |
2377 | 1922 | ||
2378 | /* | 1923 | static void sbp2scsi_complete_all_commands(struct sbp2_lu *lu, u32 status) |
2379 | * This function is called in order to complete all outstanding SBP-2 | ||
2380 | * commands (in case of resets, etc.). | ||
2381 | */ | ||
2382 | static void sbp2scsi_complete_all_commands(struct scsi_id_instance_data *scsi_id, | ||
2383 | u32 status) | ||
2384 | { | 1924 | { |
2385 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 1925 | struct sbp2_fwhost_info *hi = lu->hi; |
2386 | struct list_head *lh; | 1926 | struct list_head *lh; |
2387 | struct sbp2_command_info *command; | 1927 | struct sbp2_command_info *cmd; |
2388 | unsigned long flags; | 1928 | unsigned long flags; |
2389 | 1929 | ||
2390 | SBP2_DEBUG_ENTER(); | 1930 | spin_lock_irqsave(&lu->cmd_orb_lock, flags); |
2391 | 1931 | while (!list_empty(&lu->cmd_orb_inuse)) { | |
2392 | spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); | 1932 | lh = lu->cmd_orb_inuse.next; |
2393 | while (!list_empty(&scsi_id->sbp2_command_orb_inuse)) { | 1933 | cmd = list_entry(lh, struct sbp2_command_info, list); |
2394 | SBP2_DEBUG("Found pending command to complete"); | 1934 | dma_sync_single_for_cpu(&hi->host->device, cmd->command_orb_dma, |
2395 | lh = scsi_id->sbp2_command_orb_inuse.next; | 1935 | sizeof(struct sbp2_command_orb), |
2396 | command = list_entry(lh, struct sbp2_command_info, list); | 1936 | DMA_TO_DEVICE); |
2397 | pci_dma_sync_single_for_cpu(hi->host->pdev, command->command_orb_dma, | 1937 | dma_sync_single_for_cpu(&hi->host->device, cmd->sge_dma, |
2398 | sizeof(struct sbp2_command_orb), | 1938 | sizeof(cmd->scatter_gather_element), |
2399 | PCI_DMA_TODEVICE); | 1939 | DMA_BIDIRECTIONAL); |
2400 | pci_dma_sync_single_for_cpu(hi->host->pdev, command->sge_dma, | 1940 | sbp2util_mark_command_completed(lu, cmd); |
2401 | sizeof(command->scatter_gather_element), | 1941 | if (cmd->Current_SCpnt) { |
2402 | PCI_DMA_BIDIRECTIONAL); | 1942 | cmd->Current_SCpnt->result = status << 16; |
2403 | sbp2util_mark_command_completed(scsi_id, command); | 1943 | cmd->Current_done(cmd->Current_SCpnt); |
2404 | if (command->Current_SCpnt) { | ||
2405 | command->Current_SCpnt->result = status << 16; | ||
2406 | command->Current_done(command->Current_SCpnt); | ||
2407 | } | 1944 | } |
2408 | } | 1945 | } |
2409 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | 1946 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
2410 | 1947 | ||
2411 | return; | 1948 | return; |
2412 | } | 1949 | } |
2413 | 1950 | ||
2414 | /* | 1951 | /* |
2415 | * This function is called in order to complete a regular SBP-2 command. | 1952 | * Complete a regular SCSI command. Can be called in atomic context. |
2416 | * | ||
2417 | * This can be called in interrupt context. | ||
2418 | */ | 1953 | */ |
2419 | static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, | 1954 | static void sbp2scsi_complete_command(struct sbp2_lu *lu, u32 scsi_status, |
2420 | u32 scsi_status, struct scsi_cmnd *SCpnt, | 1955 | struct scsi_cmnd *SCpnt, |
2421 | void (*done)(struct scsi_cmnd *)) | 1956 | void (*done)(struct scsi_cmnd *)) |
2422 | { | 1957 | { |
2423 | SBP2_DEBUG_ENTER(); | ||
2424 | |||
2425 | /* | ||
2426 | * Sanity | ||
2427 | */ | ||
2428 | if (!SCpnt) { | 1958 | if (!SCpnt) { |
2429 | SBP2_ERR("SCpnt is NULL"); | 1959 | SBP2_ERR("SCpnt is NULL"); |
2430 | return; | 1960 | return; |
2431 | } | 1961 | } |
2432 | 1962 | ||
2433 | /* | ||
2434 | * If a bus reset is in progress and there was an error, don't | ||
2435 | * complete the command, just let it get retried at the end of the | ||
2436 | * bus reset. | ||
2437 | */ | ||
2438 | if (!hpsb_node_entry_valid(scsi_id->ne) | ||
2439 | && (scsi_status != SBP2_SCSI_STATUS_GOOD)) { | ||
2440 | SBP2_ERR("Bus reset in progress - retry command later"); | ||
2441 | return; | ||
2442 | } | ||
2443 | |||
2444 | /* | ||
2445 | * Switch on scsi status | ||
2446 | */ | ||
2447 | switch (scsi_status) { | 1963 | switch (scsi_status) { |
2448 | case SBP2_SCSI_STATUS_GOOD: | 1964 | case SBP2_SCSI_STATUS_GOOD: |
2449 | SCpnt->result = DID_OK << 16; | 1965 | SCpnt->result = DID_OK << 16; |
@@ -2455,12 +1971,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, | |||
2455 | break; | 1971 | break; |
2456 | 1972 | ||
2457 | case SBP2_SCSI_STATUS_CHECK_CONDITION: | 1973 | case SBP2_SCSI_STATUS_CHECK_CONDITION: |
2458 | SBP2_DEBUG("SBP2_SCSI_STATUS_CHECK_CONDITION"); | ||
2459 | SCpnt->result = CHECK_CONDITION << 1 | DID_OK << 16; | 1974 | SCpnt->result = CHECK_CONDITION << 1 | DID_OK << 16; |
2460 | #if CONFIG_IEEE1394_SBP2_DEBUG >= 1 | ||
2461 | scsi_print_command(SCpnt); | ||
2462 | scsi_print_sense(SBP2_DEVICE_NAME, SCpnt); | ||
2463 | #endif | ||
2464 | break; | 1975 | break; |
2465 | 1976 | ||
2466 | case SBP2_SCSI_STATUS_SELECTION_TIMEOUT: | 1977 | case SBP2_SCSI_STATUS_SELECTION_TIMEOUT: |
@@ -2482,118 +1993,88 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id, | |||
2482 | SCpnt->result = DID_ERROR << 16; | 1993 | SCpnt->result = DID_ERROR << 16; |
2483 | } | 1994 | } |
2484 | 1995 | ||
2485 | /* | 1996 | /* If a bus reset is in progress and there was an error, complete |
2486 | * If a bus reset is in progress and there was an error, complete | 1997 | * the command as busy so that it will get retried. */ |
2487 | * the command as busy so that it will get retried. | 1998 | if (!hpsb_node_entry_valid(lu->ne) |
2488 | */ | ||
2489 | if (!hpsb_node_entry_valid(scsi_id->ne) | ||
2490 | && (scsi_status != SBP2_SCSI_STATUS_GOOD)) { | 1999 | && (scsi_status != SBP2_SCSI_STATUS_GOOD)) { |
2491 | SBP2_ERR("Completing command with busy (bus reset)"); | 2000 | SBP2_ERR("Completing command with busy (bus reset)"); |
2492 | SCpnt->result = DID_BUS_BUSY << 16; | 2001 | SCpnt->result = DID_BUS_BUSY << 16; |
2493 | } | 2002 | } |
2494 | 2003 | ||
2495 | /* | 2004 | /* Tell the SCSI stack that we're done with this command. */ |
2496 | * If a unit attention occurs, return busy status so it gets | ||
2497 | * retried... it could have happened because of a 1394 bus reset | ||
2498 | * or hot-plug... | ||
2499 | * XXX DID_BUS_BUSY is actually a bad idea because it will defy | ||
2500 | * the scsi layer's retry logic. | ||
2501 | */ | ||
2502 | #if 0 | ||
2503 | if ((scsi_status == SBP2_SCSI_STATUS_CHECK_CONDITION) && | ||
2504 | (SCpnt->sense_buffer[2] == UNIT_ATTENTION)) { | ||
2505 | SBP2_DEBUG("UNIT ATTENTION - return busy"); | ||
2506 | SCpnt->result = DID_BUS_BUSY << 16; | ||
2507 | } | ||
2508 | #endif | ||
2509 | |||
2510 | /* | ||
2511 | * Tell scsi stack that we're done with this command | ||
2512 | */ | ||
2513 | done(SCpnt); | 2005 | done(SCpnt); |
2514 | } | 2006 | } |
2515 | 2007 | ||
2516 | static int sbp2scsi_slave_alloc(struct scsi_device *sdev) | 2008 | static int sbp2scsi_slave_alloc(struct scsi_device *sdev) |
2517 | { | 2009 | { |
2518 | struct scsi_id_instance_data *scsi_id = | 2010 | struct sbp2_lu *lu = (struct sbp2_lu *)sdev->host->hostdata[0]; |
2519 | (struct scsi_id_instance_data *)sdev->host->hostdata[0]; | ||
2520 | 2011 | ||
2521 | scsi_id->sdev = sdev; | 2012 | lu->sdev = sdev; |
2522 | sdev->allow_restart = 1; | 2013 | sdev->allow_restart = 1; |
2523 | 2014 | ||
2524 | if (scsi_id->workarounds & SBP2_WORKAROUND_INQUIRY_36) | 2015 | if (lu->workarounds & SBP2_WORKAROUND_INQUIRY_36) |
2525 | sdev->inquiry_len = 36; | 2016 | sdev->inquiry_len = 36; |
2526 | return 0; | 2017 | return 0; |
2527 | } | 2018 | } |
2528 | 2019 | ||
2529 | static int sbp2scsi_slave_configure(struct scsi_device *sdev) | 2020 | static int sbp2scsi_slave_configure(struct scsi_device *sdev) |
2530 | { | 2021 | { |
2531 | struct scsi_id_instance_data *scsi_id = | 2022 | struct sbp2_lu *lu = (struct sbp2_lu *)sdev->host->hostdata[0]; |
2532 | (struct scsi_id_instance_data *)sdev->host->hostdata[0]; | ||
2533 | 2023 | ||
2534 | blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); | 2024 | blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); |
2535 | sdev->use_10_for_rw = 1; | 2025 | sdev->use_10_for_rw = 1; |
2536 | 2026 | ||
2537 | if (sdev->type == TYPE_DISK && | 2027 | if (sdev->type == TYPE_DISK && |
2538 | scsi_id->workarounds & SBP2_WORKAROUND_MODE_SENSE_8) | 2028 | lu->workarounds & SBP2_WORKAROUND_MODE_SENSE_8) |
2539 | sdev->skip_ms_page_8 = 1; | 2029 | sdev->skip_ms_page_8 = 1; |
2540 | if (scsi_id->workarounds & SBP2_WORKAROUND_FIX_CAPACITY) | 2030 | if (lu->workarounds & SBP2_WORKAROUND_FIX_CAPACITY) |
2541 | sdev->fix_capacity = 1; | 2031 | sdev->fix_capacity = 1; |
2542 | return 0; | 2032 | return 0; |
2543 | } | 2033 | } |
2544 | 2034 | ||
2545 | static void sbp2scsi_slave_destroy(struct scsi_device *sdev) | 2035 | static void sbp2scsi_slave_destroy(struct scsi_device *sdev) |
2546 | { | 2036 | { |
2547 | ((struct scsi_id_instance_data *)sdev->host->hostdata[0])->sdev = NULL; | 2037 | ((struct sbp2_lu *)sdev->host->hostdata[0])->sdev = NULL; |
2548 | return; | 2038 | return; |
2549 | } | 2039 | } |
2550 | 2040 | ||
2551 | /* | 2041 | /* |
2552 | * Called by scsi stack when something has really gone wrong. Usually | 2042 | * Called by scsi stack when something has really gone wrong. |
2553 | * called when a command has timed-out for some reason. | 2043 | * Usually called when a command has timed-out for some reason. |
2554 | */ | 2044 | */ |
2555 | static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) | 2045 | static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) |
2556 | { | 2046 | { |
2557 | struct scsi_id_instance_data *scsi_id = | 2047 | struct sbp2_lu *lu = (struct sbp2_lu *)SCpnt->device->host->hostdata[0]; |
2558 | (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; | 2048 | struct sbp2_fwhost_info *hi = lu->hi; |
2559 | struct sbp2scsi_host_info *hi = scsi_id->hi; | 2049 | struct sbp2_command_info *cmd; |
2560 | struct sbp2_command_info *command; | ||
2561 | unsigned long flags; | 2050 | unsigned long flags; |
2562 | 2051 | ||
2563 | SBP2_ERR("aborting sbp2 command"); | 2052 | SBP2_INFO("aborting sbp2 command"); |
2564 | scsi_print_command(SCpnt); | 2053 | scsi_print_command(SCpnt); |
2565 | 2054 | ||
2566 | if (sbp2util_node_is_available(scsi_id)) { | 2055 | if (sbp2util_node_is_available(lu)) { |
2567 | 2056 | sbp2_agent_reset(lu, 1); | |
2568 | /* | 2057 | |
2569 | * Right now, just return any matching command structures | 2058 | /* Return a matching command structure to the free pool. */ |
2570 | * to the free pool. | 2059 | spin_lock_irqsave(&lu->cmd_orb_lock, flags); |
2571 | */ | 2060 | cmd = sbp2util_find_command_for_SCpnt(lu, SCpnt); |
2572 | spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags); | 2061 | if (cmd) { |
2573 | command = sbp2util_find_command_for_SCpnt(scsi_id, SCpnt); | 2062 | dma_sync_single_for_cpu(&hi->host->device, |
2574 | if (command) { | 2063 | cmd->command_orb_dma, |
2575 | SBP2_DEBUG("Found command to abort"); | 2064 | sizeof(struct sbp2_command_orb), |
2576 | pci_dma_sync_single_for_cpu(hi->host->pdev, | 2065 | DMA_TO_DEVICE); |
2577 | command->command_orb_dma, | 2066 | dma_sync_single_for_cpu(&hi->host->device, cmd->sge_dma, |
2578 | sizeof(struct sbp2_command_orb), | 2067 | sizeof(cmd->scatter_gather_element), |
2579 | PCI_DMA_TODEVICE); | 2068 | DMA_BIDIRECTIONAL); |
2580 | pci_dma_sync_single_for_cpu(hi->host->pdev, | 2069 | sbp2util_mark_command_completed(lu, cmd); |
2581 | command->sge_dma, | 2070 | if (cmd->Current_SCpnt) { |
2582 | sizeof(command->scatter_gather_element), | 2071 | cmd->Current_SCpnt->result = DID_ABORT << 16; |
2583 | PCI_DMA_BIDIRECTIONAL); | 2072 | cmd->Current_done(cmd->Current_SCpnt); |
2584 | sbp2util_mark_command_completed(scsi_id, command); | ||
2585 | if (command->Current_SCpnt) { | ||
2586 | command->Current_SCpnt->result = DID_ABORT << 16; | ||
2587 | command->Current_done(command->Current_SCpnt); | ||
2588 | } | 2073 | } |
2589 | } | 2074 | } |
2590 | spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags); | 2075 | spin_unlock_irqrestore(&lu->cmd_orb_lock, flags); |
2591 | 2076 | ||
2592 | /* | 2077 | sbp2scsi_complete_all_commands(lu, DID_BUS_BUSY); |
2593 | * Initiate a fetch agent reset. | ||
2594 | */ | ||
2595 | sbp2_agent_reset(scsi_id, 1); | ||
2596 | sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY); | ||
2597 | } | 2078 | } |
2598 | 2079 | ||
2599 | return SUCCESS; | 2080 | return SUCCESS; |
@@ -2604,14 +2085,13 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt) | |||
2604 | */ | 2085 | */ |
2605 | static int sbp2scsi_reset(struct scsi_cmnd *SCpnt) | 2086 | static int sbp2scsi_reset(struct scsi_cmnd *SCpnt) |
2606 | { | 2087 | { |
2607 | struct scsi_id_instance_data *scsi_id = | 2088 | struct sbp2_lu *lu = (struct sbp2_lu *)SCpnt->device->host->hostdata[0]; |
2608 | (struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0]; | ||
2609 | 2089 | ||
2610 | SBP2_ERR("reset requested"); | 2090 | SBP2_INFO("reset requested"); |
2611 | 2091 | ||
2612 | if (sbp2util_node_is_available(scsi_id)) { | 2092 | if (sbp2util_node_is_available(lu)) { |
2613 | SBP2_ERR("Generating sbp2 fetch agent reset"); | 2093 | SBP2_INFO("generating sbp2 fetch agent reset"); |
2614 | sbp2_agent_reset(scsi_id, 1); | 2094 | sbp2_agent_reset(lu, 1); |
2615 | } | 2095 | } |
2616 | 2096 | ||
2617 | return SUCCESS; | 2097 | return SUCCESS; |
@@ -2622,90 +2102,50 @@ static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *dev, | |||
2622 | char *buf) | 2102 | char *buf) |
2623 | { | 2103 | { |
2624 | struct scsi_device *sdev; | 2104 | struct scsi_device *sdev; |
2625 | struct scsi_id_instance_data *scsi_id; | 2105 | struct sbp2_lu *lu; |
2626 | int lun; | ||
2627 | 2106 | ||
2628 | if (!(sdev = to_scsi_device(dev))) | 2107 | if (!(sdev = to_scsi_device(dev))) |
2629 | return 0; | 2108 | return 0; |
2630 | 2109 | ||
2631 | if (!(scsi_id = (struct scsi_id_instance_data *)sdev->host->hostdata[0])) | 2110 | if (!(lu = (struct sbp2_lu *)sdev->host->hostdata[0])) |
2632 | return 0; | 2111 | return 0; |
2633 | 2112 | ||
2634 | lun = ORB_SET_LUN(scsi_id->sbp2_lun); | 2113 | return sprintf(buf, "%016Lx:%d:%d\n", (unsigned long long)lu->ne->guid, |
2635 | 2114 | lu->ud->id, ORB_SET_LUN(lu->lun)); | |
2636 | return sprintf(buf, "%016Lx:%d:%d\n", (unsigned long long)scsi_id->ne->guid, | ||
2637 | scsi_id->ud->id, lun); | ||
2638 | } | 2115 | } |
2639 | static DEVICE_ATTR(ieee1394_id, S_IRUGO, sbp2_sysfs_ieee1394_id_show, NULL); | ||
2640 | |||
2641 | static struct device_attribute *sbp2_sysfs_sdev_attrs[] = { | ||
2642 | &dev_attr_ieee1394_id, | ||
2643 | NULL | ||
2644 | }; | ||
2645 | 2116 | ||
2646 | MODULE_AUTHOR("Ben Collins <bcollins@debian.org>"); | 2117 | MODULE_AUTHOR("Ben Collins <bcollins@debian.org>"); |
2647 | MODULE_DESCRIPTION("IEEE-1394 SBP-2 protocol driver"); | 2118 | MODULE_DESCRIPTION("IEEE-1394 SBP-2 protocol driver"); |
2648 | MODULE_SUPPORTED_DEVICE(SBP2_DEVICE_NAME); | 2119 | MODULE_SUPPORTED_DEVICE(SBP2_DEVICE_NAME); |
2649 | MODULE_LICENSE("GPL"); | 2120 | MODULE_LICENSE("GPL"); |
2650 | 2121 | ||
2651 | /* SCSI host template */ | ||
2652 | static struct scsi_host_template scsi_driver_template = { | ||
2653 | .module = THIS_MODULE, | ||
2654 | .name = "SBP-2 IEEE-1394", | ||
2655 | .proc_name = SBP2_DEVICE_NAME, | ||
2656 | .queuecommand = sbp2scsi_queuecommand, | ||
2657 | .eh_abort_handler = sbp2scsi_abort, | ||
2658 | .eh_device_reset_handler = sbp2scsi_reset, | ||
2659 | .slave_alloc = sbp2scsi_slave_alloc, | ||
2660 | .slave_configure = sbp2scsi_slave_configure, | ||
2661 | .slave_destroy = sbp2scsi_slave_destroy, | ||
2662 | .this_id = -1, | ||
2663 | .sg_tablesize = SG_ALL, | ||
2664 | .use_clustering = ENABLE_CLUSTERING, | ||
2665 | .cmd_per_lun = SBP2_MAX_CMDS, | ||
2666 | .can_queue = SBP2_MAX_CMDS, | ||
2667 | .emulated = 1, | ||
2668 | .sdev_attrs = sbp2_sysfs_sdev_attrs, | ||
2669 | }; | ||
2670 | |||
2671 | static int sbp2_module_init(void) | 2122 | static int sbp2_module_init(void) |
2672 | { | 2123 | { |
2673 | int ret; | 2124 | int ret; |
2674 | 2125 | ||
2675 | SBP2_DEBUG_ENTER(); | 2126 | if (sbp2_serialize_io) { |
2676 | 2127 | sbp2_shost_template.can_queue = 1; | |
2677 | /* Module load debug option to force one command at a time (serializing I/O) */ | 2128 | sbp2_shost_template.cmd_per_lun = 1; |
2678 | if (serialize_io) { | ||
2679 | SBP2_INFO("Driver forced to serialize I/O (serialize_io=1)"); | ||
2680 | SBP2_INFO("Try serialize_io=0 for better performance"); | ||
2681 | scsi_driver_template.can_queue = 1; | ||
2682 | scsi_driver_template.cmd_per_lun = 1; | ||
2683 | } | 2129 | } |
2684 | 2130 | ||
2685 | if (sbp2_default_workarounds & SBP2_WORKAROUND_128K_MAX_TRANS && | 2131 | if (sbp2_default_workarounds & SBP2_WORKAROUND_128K_MAX_TRANS && |
2686 | (max_sectors * 512) > (128 * 1024)) | 2132 | (sbp2_max_sectors * 512) > (128 * 1024)) |
2687 | max_sectors = 128 * 1024 / 512; | 2133 | sbp2_max_sectors = 128 * 1024 / 512; |
2688 | scsi_driver_template.max_sectors = max_sectors; | 2134 | sbp2_shost_template.max_sectors = sbp2_max_sectors; |
2689 | 2135 | ||
2690 | /* Register our high level driver with 1394 stack */ | ||
2691 | hpsb_register_highlevel(&sbp2_highlevel); | 2136 | hpsb_register_highlevel(&sbp2_highlevel); |
2692 | |||
2693 | ret = hpsb_register_protocol(&sbp2_driver); | 2137 | ret = hpsb_register_protocol(&sbp2_driver); |
2694 | if (ret) { | 2138 | if (ret) { |
2695 | SBP2_ERR("Failed to register protocol"); | 2139 | SBP2_ERR("Failed to register protocol"); |
2696 | hpsb_unregister_highlevel(&sbp2_highlevel); | 2140 | hpsb_unregister_highlevel(&sbp2_highlevel); |
2697 | return ret; | 2141 | return ret; |
2698 | } | 2142 | } |
2699 | |||
2700 | return 0; | 2143 | return 0; |
2701 | } | 2144 | } |
2702 | 2145 | ||
2703 | static void __exit sbp2_module_exit(void) | 2146 | static void __exit sbp2_module_exit(void) |
2704 | { | 2147 | { |
2705 | SBP2_DEBUG_ENTER(); | ||
2706 | |||
2707 | hpsb_unregister_protocol(&sbp2_driver); | 2148 | hpsb_unregister_protocol(&sbp2_driver); |
2708 | |||
2709 | hpsb_unregister_highlevel(&sbp2_highlevel); | 2149 | hpsb_unregister_highlevel(&sbp2_highlevel); |
2710 | } | 2150 | } |
2711 | 2151 | ||
diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index 1b16d6b9cf11..9ae842329bf3 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h | |||
@@ -25,25 +25,25 @@ | |||
25 | #define SBP2_DEVICE_NAME "sbp2" | 25 | #define SBP2_DEVICE_NAME "sbp2" |
26 | 26 | ||
27 | /* | 27 | /* |
28 | * SBP2 specific structures and defines | 28 | * SBP-2 specific definitions |
29 | */ | 29 | */ |
30 | 30 | ||
31 | #define ORB_DIRECTION_WRITE_TO_MEDIA 0x0 | 31 | #define ORB_DIRECTION_WRITE_TO_MEDIA 0x0 |
32 | #define ORB_DIRECTION_READ_FROM_MEDIA 0x1 | 32 | #define ORB_DIRECTION_READ_FROM_MEDIA 0x1 |
33 | #define ORB_DIRECTION_NO_DATA_TRANSFER 0x2 | 33 | #define ORB_DIRECTION_NO_DATA_TRANSFER 0x2 |
34 | 34 | ||
35 | #define ORB_SET_NULL_PTR(value) ((value & 0x1) << 31) | 35 | #define ORB_SET_NULL_PTR(v) (((v) & 0x1) << 31) |
36 | #define ORB_SET_NOTIFY(value) ((value & 0x1) << 31) | 36 | #define ORB_SET_NOTIFY(v) (((v) & 0x1) << 31) |
37 | #define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29) /* unused ? */ | 37 | #define ORB_SET_RQ_FMT(v) (((v) & 0x3) << 29) |
38 | #define ORB_SET_NODE_ID(value) ((value & 0xffff) << 16) | 38 | #define ORB_SET_NODE_ID(v) (((v) & 0xffff) << 16) |
39 | #define ORB_SET_STATUS_FIFO_HI(value, id) (value >> 32 | ORB_SET_NODE_ID(id)) | 39 | #define ORB_SET_STATUS_FIFO_HI(v, id) ((v) >> 32 | ORB_SET_NODE_ID(id)) |
40 | #define ORB_SET_STATUS_FIFO_LO(value) (value & 0xffffffff) | 40 | #define ORB_SET_STATUS_FIFO_LO(v) ((v) & 0xffffffff) |
41 | #define ORB_SET_DATA_SIZE(value) (value & 0xffff) | 41 | #define ORB_SET_DATA_SIZE(v) ((v) & 0xffff) |
42 | #define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16) | 42 | #define ORB_SET_PAGE_SIZE(v) (((v) & 0x7) << 16) |
43 | #define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19) | 43 | #define ORB_SET_PAGE_TABLE_PRESENT(v) (((v) & 0x1) << 19) |
44 | #define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20) | 44 | #define ORB_SET_MAX_PAYLOAD(v) (((v) & 0xf) << 20) |
45 | #define ORB_SET_SPEED(value) ((value & 0x7) << 24) | 45 | #define ORB_SET_SPEED(v) (((v) & 0x7) << 24) |
46 | #define ORB_SET_DIRECTION(value) ((value & 0x1) << 27) | 46 | #define ORB_SET_DIRECTION(v) (((v) & 0x1) << 27) |
47 | 47 | ||
48 | struct sbp2_command_orb { | 48 | struct sbp2_command_orb { |
49 | u32 next_ORB_hi; | 49 | u32 next_ORB_hi; |
@@ -64,12 +64,12 @@ struct sbp2_command_orb { | |||
64 | #define SBP2_LOGICAL_UNIT_RESET 0xe | 64 | #define SBP2_LOGICAL_UNIT_RESET 0xe |
65 | #define SBP2_TARGET_RESET_REQUEST 0xf | 65 | #define SBP2_TARGET_RESET_REQUEST 0xf |
66 | 66 | ||
67 | #define ORB_SET_LUN(value) (value & 0xffff) | 67 | #define ORB_SET_LUN(v) ((v) & 0xffff) |
68 | #define ORB_SET_FUNCTION(value) ((value & 0xf) << 16) | 68 | #define ORB_SET_FUNCTION(v) (((v) & 0xf) << 16) |
69 | #define ORB_SET_RECONNECT(value) ((value & 0xf) << 20) | 69 | #define ORB_SET_RECONNECT(v) (((v) & 0xf) << 20) |
70 | #define ORB_SET_EXCLUSIVE(value) ((value & 0x1) << 28) | 70 | #define ORB_SET_EXCLUSIVE(v) (((v) & 0x1) << 28) |
71 | #define ORB_SET_LOGIN_RESP_LENGTH(value) (value & 0xffff) | 71 | #define ORB_SET_LOGIN_RESP_LENGTH(v) ((v) & 0xffff) |
72 | #define ORB_SET_PASSWD_LENGTH(value) ((value & 0xffff) << 16) | 72 | #define ORB_SET_PASSWD_LENGTH(v) (((v) & 0xffff) << 16) |
73 | 73 | ||
74 | struct sbp2_login_orb { | 74 | struct sbp2_login_orb { |
75 | u32 password_hi; | 75 | u32 password_hi; |
@@ -82,9 +82,9 @@ struct sbp2_login_orb { | |||
82 | u32 status_fifo_lo; | 82 | u32 status_fifo_lo; |
83 | } __attribute__((packed)); | 83 | } __attribute__((packed)); |
84 | 84 | ||
85 | #define RESPONSE_GET_LOGIN_ID(value) (value & 0xffff) | 85 | #define RESPONSE_GET_LOGIN_ID(v) ((v) & 0xffff) |
86 | #define RESPONSE_GET_LENGTH(value) ((value >> 16) & 0xffff) | 86 | #define RESPONSE_GET_LENGTH(v) (((v) >> 16) & 0xffff) |
87 | #define RESPONSE_GET_RECONNECT_HOLD(value) (value & 0xffff) | 87 | #define RESPONSE_GET_RECONNECT_HOLD(v) ((v) & 0xffff) |
88 | 88 | ||
89 | struct sbp2_login_response { | 89 | struct sbp2_login_response { |
90 | u32 length_login_ID; | 90 | u32 length_login_ID; |
@@ -93,9 +93,8 @@ struct sbp2_login_response { | |||
93 | u32 reconnect_hold; | 93 | u32 reconnect_hold; |
94 | } __attribute__((packed)); | 94 | } __attribute__((packed)); |
95 | 95 | ||
96 | #define ORB_SET_LOGIN_ID(value) (value & 0xffff) | 96 | #define ORB_SET_LOGIN_ID(v) ((v) & 0xffff) |
97 | 97 | #define ORB_SET_QUERY_LOGINS_RESP_LENGTH(v) ((v) & 0xffff) | |
98 | #define ORB_SET_QUERY_LOGINS_RESP_LENGTH(value) (value & 0xffff) | ||
99 | 98 | ||
100 | struct sbp2_query_logins_orb { | 99 | struct sbp2_query_logins_orb { |
101 | u32 reserved1; | 100 | u32 reserved1; |
@@ -108,8 +107,8 @@ struct sbp2_query_logins_orb { | |||
108 | u32 status_fifo_lo; | 107 | u32 status_fifo_lo; |
109 | } __attribute__((packed)); | 108 | } __attribute__((packed)); |
110 | 109 | ||
111 | #define RESPONSE_GET_MAX_LOGINS(value) (value & 0xffff) | 110 | #define RESPONSE_GET_MAX_LOGINS(v) ((v) & 0xffff) |
112 | #define RESPONSE_GET_ACTIVE_LOGINS(value) ((RESPONSE_GET_LENGTH(value) - 4) / 12) | 111 | #define RESPONSE_GET_ACTIVE_LOGINS(v) ((RESPONSE_GET_LENGTH((v)) - 4) / 12) |
113 | 112 | ||
114 | struct sbp2_query_logins_response { | 113 | struct sbp2_query_logins_response { |
115 | u32 length_max_logins; | 114 | u32 length_max_logins; |
@@ -140,8 +139,8 @@ struct sbp2_logout_orb { | |||
140 | u32 status_fifo_lo; | 139 | u32 status_fifo_lo; |
141 | } __attribute__((packed)); | 140 | } __attribute__((packed)); |
142 | 141 | ||
143 | #define PAGE_TABLE_SET_SEGMENT_BASE_HI(value) (value & 0xffff) | 142 | #define PAGE_TABLE_SET_SEGMENT_BASE_HI(v) ((v) & 0xffff) |
144 | #define PAGE_TABLE_SET_SEGMENT_LENGTH(value) ((value & 0xffff) << 16) | 143 | #define PAGE_TABLE_SET_SEGMENT_LENGTH(v) (((v) & 0xffff) << 16) |
145 | 144 | ||
146 | struct sbp2_unrestricted_page_table { | 145 | struct sbp2_unrestricted_page_table { |
147 | u32 length_segment_base_hi; | 146 | u32 length_segment_base_hi; |
@@ -171,23 +170,14 @@ struct sbp2_unrestricted_page_table { | |||
171 | #define SFMT_DEFERRED_ERROR 0x1 | 170 | #define SFMT_DEFERRED_ERROR 0x1 |
172 | #define SFMT_VENDOR_DEPENDENT_STATUS 0x3 | 171 | #define SFMT_VENDOR_DEPENDENT_STATUS 0x3 |
173 | 172 | ||
174 | #define SBP2_SCSI_STATUS_GOOD 0x0 | 173 | #define STATUS_GET_SRC(v) (((v) >> 30) & 0x3) |
175 | #define SBP2_SCSI_STATUS_CHECK_CONDITION 0x2 | 174 | #define STATUS_GET_RESP(v) (((v) >> 28) & 0x3) |
176 | #define SBP2_SCSI_STATUS_CONDITION_MET 0x4 | 175 | #define STATUS_GET_LEN(v) (((v) >> 24) & 0x7) |
177 | #define SBP2_SCSI_STATUS_BUSY 0x8 | 176 | #define STATUS_GET_SBP_STATUS(v) (((v) >> 16) & 0xff) |
178 | #define SBP2_SCSI_STATUS_RESERVATION_CONFLICT 0x18 | 177 | #define STATUS_GET_ORB_OFFSET_HI(v) ((v) & 0x0000ffff) |
179 | #define SBP2_SCSI_STATUS_COMMAND_TERMINATED 0x22 | 178 | #define STATUS_TEST_DEAD(v) ((v) & 0x08000000) |
180 | |||
181 | #define SBP2_SCSI_STATUS_SELECTION_TIMEOUT 0xff | ||
182 | |||
183 | #define STATUS_GET_SRC(value) (((value) >> 30) & 0x3) | ||
184 | #define STATUS_GET_RESP(value) (((value) >> 28) & 0x3) | ||
185 | #define STATUS_GET_LEN(value) (((value) >> 24) & 0x7) | ||
186 | #define STATUS_GET_SBP_STATUS(value) (((value) >> 16) & 0xff) | ||
187 | #define STATUS_GET_ORB_OFFSET_HI(value) ((value) & 0x0000ffff) | ||
188 | #define STATUS_TEST_DEAD(value) ((value) & 0x08000000) | ||
189 | /* test 'resp' | 'dead' | 'sbp2_status' */ | 179 | /* test 'resp' | 'dead' | 'sbp2_status' */ |
190 | #define STATUS_TEST_RDS(value) ((value) & 0x38ff0000) | 180 | #define STATUS_TEST_RDS(v) ((v) & 0x38ff0000) |
191 | 181 | ||
192 | struct sbp2_status_block { | 182 | struct sbp2_status_block { |
193 | u32 ORB_offset_hi_misc; | 183 | u32 ORB_offset_hi_misc; |
@@ -195,66 +185,70 @@ struct sbp2_status_block { | |||
195 | u8 command_set_dependent[24]; | 185 | u8 command_set_dependent[24]; |
196 | } __attribute__((packed)); | 186 | } __attribute__((packed)); |
197 | 187 | ||
188 | |||
198 | /* | 189 | /* |
199 | * Miscellaneous SBP2 related config rom defines | 190 | * SBP2 related configuration ROM definitions |
200 | */ | 191 | */ |
201 | 192 | ||
202 | #define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1 | 193 | #define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1 |
203 | #define SBP2_CSR_OFFSET_KEY 0x54 | 194 | #define SBP2_CSR_OFFSET_KEY 0x54 |
204 | #define SBP2_UNIT_SPEC_ID_KEY 0x12 | 195 | #define SBP2_UNIT_SPEC_ID_KEY 0x12 |
205 | #define SBP2_UNIT_SW_VERSION_KEY 0x13 | 196 | #define SBP2_UNIT_SW_VERSION_KEY 0x13 |
206 | #define SBP2_COMMAND_SET_SPEC_ID_KEY 0x38 | 197 | #define SBP2_COMMAND_SET_SPEC_ID_KEY 0x38 |
207 | #define SBP2_COMMAND_SET_KEY 0x39 | 198 | #define SBP2_COMMAND_SET_KEY 0x39 |
208 | #define SBP2_UNIT_CHARACTERISTICS_KEY 0x3a | 199 | #define SBP2_UNIT_CHARACTERISTICS_KEY 0x3a |
209 | #define SBP2_DEVICE_TYPE_AND_LUN_KEY 0x14 | 200 | #define SBP2_DEVICE_TYPE_AND_LUN_KEY 0x14 |
210 | #define SBP2_FIRMWARE_REVISION_KEY 0x3c | 201 | #define SBP2_FIRMWARE_REVISION_KEY 0x3c |
211 | 202 | ||
212 | #define SBP2_AGENT_STATE_OFFSET 0x00ULL | 203 | #define SBP2_AGENT_STATE_OFFSET 0x00ULL |
213 | #define SBP2_AGENT_RESET_OFFSET 0x04ULL | 204 | #define SBP2_AGENT_RESET_OFFSET 0x04ULL |
214 | #define SBP2_ORB_POINTER_OFFSET 0x08ULL | 205 | #define SBP2_ORB_POINTER_OFFSET 0x08ULL |
215 | #define SBP2_DOORBELL_OFFSET 0x10ULL | 206 | #define SBP2_DOORBELL_OFFSET 0x10ULL |
216 | #define SBP2_UNSOLICITED_STATUS_ENABLE_OFFSET 0x14ULL | 207 | #define SBP2_UNSOLICITED_STATUS_ENABLE_OFFSET 0x14ULL |
217 | #define SBP2_UNSOLICITED_STATUS_VALUE 0xf | 208 | #define SBP2_UNSOLICITED_STATUS_VALUE 0xf |
218 | 209 | ||
219 | #define SBP2_BUSY_TIMEOUT_ADDRESS 0xfffff0000210ULL | 210 | #define SBP2_BUSY_TIMEOUT_ADDRESS 0xfffff0000210ULL |
220 | #define SBP2_BUSY_TIMEOUT_VALUE 0xf | 211 | /* biggest possible value for Single Phase Retry count is 0xf */ |
212 | #define SBP2_BUSY_TIMEOUT_VALUE 0xf | ||
221 | 213 | ||
222 | #define SBP2_AGENT_RESET_DATA 0xf | 214 | #define SBP2_AGENT_RESET_DATA 0xf |
223 | 215 | ||
224 | /* | 216 | #define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e |
225 | * Unit spec id and sw version entry for SBP-2 devices | 217 | #define SBP2_SW_VERSION_ENTRY 0x00010483 |
226 | */ | ||
227 | 218 | ||
228 | #define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e | ||
229 | #define SBP2_SW_VERSION_ENTRY 0x00010483 | ||
230 | 219 | ||
231 | /* | 220 | /* |
232 | * SCSI specific stuff | 221 | * SCSI specific definitions |
233 | */ | 222 | */ |
234 | 223 | ||
235 | #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 | 224 | #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 |
236 | #define SBP2_MAX_SECTORS 255 /* Max sectors supported */ | 225 | #define SBP2_MAX_SECTORS 255 |
237 | #define SBP2_MAX_CMDS 8 /* This should be safe */ | 226 | /* There is no real limitation of the queue depth (i.e. length of the linked |
227 | * list of command ORBs) at the target. The chosen depth is merely an | ||
228 | * implementation detail of the sbp2 driver. */ | ||
229 | #define SBP2_MAX_CMDS 8 | ||
230 | |||
231 | #define SBP2_SCSI_STATUS_GOOD 0x0 | ||
232 | #define SBP2_SCSI_STATUS_CHECK_CONDITION 0x2 | ||
233 | #define SBP2_SCSI_STATUS_CONDITION_MET 0x4 | ||
234 | #define SBP2_SCSI_STATUS_BUSY 0x8 | ||
235 | #define SBP2_SCSI_STATUS_RESERVATION_CONFLICT 0x18 | ||
236 | #define SBP2_SCSI_STATUS_COMMAND_TERMINATED 0x22 | ||
237 | #define SBP2_SCSI_STATUS_SELECTION_TIMEOUT 0xff | ||
238 | 238 | ||
239 | /* Flags for detected oddities and brokeness */ | ||
240 | #define SBP2_WORKAROUND_128K_MAX_TRANS 0x1 | ||
241 | #define SBP2_WORKAROUND_INQUIRY_36 0x2 | ||
242 | #define SBP2_WORKAROUND_MODE_SENSE_8 0x4 | ||
243 | #define SBP2_WORKAROUND_FIX_CAPACITY 0x8 | ||
244 | #define SBP2_WORKAROUND_OVERRIDE 0x100 | ||
245 | 239 | ||
246 | /* This is the two dma types we use for cmd_dma below */ | 240 | /* |
247 | enum cmd_dma_types { | 241 | * Representations of commands and devices |
242 | */ | ||
243 | |||
244 | enum sbp2_dma_types { | ||
248 | CMD_DMA_NONE, | 245 | CMD_DMA_NONE, |
249 | CMD_DMA_PAGE, | 246 | CMD_DMA_PAGE, |
250 | CMD_DMA_SINGLE | 247 | CMD_DMA_SINGLE |
251 | }; | 248 | }; |
252 | 249 | ||
253 | /* | 250 | /* Per SCSI command */ |
254 | * Encapsulates all the info necessary for an outstanding command. | ||
255 | */ | ||
256 | struct sbp2_command_info { | 251 | struct sbp2_command_info { |
257 | |||
258 | struct list_head list; | 252 | struct list_head list; |
259 | struct sbp2_command_orb command_orb ____cacheline_aligned; | 253 | struct sbp2_command_orb command_orb ____cacheline_aligned; |
260 | dma_addr_t command_orb_dma ____cacheline_aligned; | 254 | dma_addr_t command_orb_dma ____cacheline_aligned; |
@@ -262,25 +256,25 @@ struct sbp2_command_info { | |||
262 | void (*Current_done)(struct scsi_cmnd *); | 256 | void (*Current_done)(struct scsi_cmnd *); |
263 | 257 | ||
264 | /* Also need s/g structure for each sbp2 command */ | 258 | /* Also need s/g structure for each sbp2 command */ |
265 | struct sbp2_unrestricted_page_table scatter_gather_element[SG_ALL] ____cacheline_aligned; | 259 | struct sbp2_unrestricted_page_table |
260 | scatter_gather_element[SG_ALL] ____cacheline_aligned; | ||
266 | dma_addr_t sge_dma ____cacheline_aligned; | 261 | dma_addr_t sge_dma ____cacheline_aligned; |
267 | void *sge_buffer; | 262 | void *sge_buffer; |
268 | dma_addr_t cmd_dma; | 263 | dma_addr_t cmd_dma; |
269 | enum cmd_dma_types dma_type; | 264 | enum sbp2_dma_types dma_type; |
270 | unsigned long dma_size; | 265 | unsigned long dma_size; |
271 | int dma_dir; | 266 | enum dma_data_direction dma_dir; |
272 | |||
273 | }; | 267 | }; |
274 | 268 | ||
275 | struct sbp2scsi_host_info; | 269 | /* Per FireWire host */ |
270 | struct sbp2_fwhost_info { | ||
271 | struct hpsb_host *host; | ||
272 | struct list_head logical_units; | ||
273 | }; | ||
276 | 274 | ||
277 | /* | 275 | /* Per logical unit */ |
278 | * Information needed on a per scsi id basis (one for each sbp2 device) | 276 | struct sbp2_lu { |
279 | */ | 277 | /* Operation request blocks */ |
280 | struct scsi_id_instance_data { | ||
281 | /* | ||
282 | * Various sbp2 specific structures | ||
283 | */ | ||
284 | struct sbp2_command_orb *last_orb; | 278 | struct sbp2_command_orb *last_orb; |
285 | dma_addr_t last_orb_dma; | 279 | dma_addr_t last_orb_dma; |
286 | struct sbp2_login_orb *login_orb; | 280 | struct sbp2_login_orb *login_orb; |
@@ -297,116 +291,59 @@ struct scsi_id_instance_data { | |||
297 | dma_addr_t logout_orb_dma; | 291 | dma_addr_t logout_orb_dma; |
298 | struct sbp2_status_block status_block; | 292 | struct sbp2_status_block status_block; |
299 | 293 | ||
300 | /* | 294 | /* How to talk to the unit */ |
301 | * Stuff we need to know about the sbp2 device itself | 295 | u64 management_agent_addr; |
302 | */ | 296 | u64 command_block_agent_addr; |
303 | u64 sbp2_management_agent_addr; | ||
304 | u64 sbp2_command_block_agent_addr; | ||
305 | u32 speed_code; | 297 | u32 speed_code; |
306 | u32 max_payload_size; | 298 | u32 max_payload_size; |
299 | u16 lun; | ||
307 | 300 | ||
308 | /* | 301 | /* Address for the unit to write status blocks to */ |
309 | * Values pulled from the device's unit directory | ||
310 | */ | ||
311 | u32 sbp2_command_set_spec_id; | ||
312 | u32 sbp2_command_set; | ||
313 | u32 sbp2_unit_characteristics; | ||
314 | u32 sbp2_lun; | ||
315 | u32 sbp2_firmware_revision; | ||
316 | |||
317 | /* | ||
318 | * Address for the device to write status blocks to | ||
319 | */ | ||
320 | u64 status_fifo_addr; | 302 | u64 status_fifo_addr; |
321 | 303 | ||
322 | /* | 304 | /* Waitqueue flag for logins, reconnects, logouts, query logins */ |
323 | * Waitqueue flag for logins, reconnects, logouts, query logins | 305 | unsigned int access_complete:1; |
324 | */ | ||
325 | int access_complete:1; | ||
326 | 306 | ||
327 | /* | 307 | /* Pool of command ORBs for this logical unit */ |
328 | * Pool of command orbs, so we can have more than overlapped command per id | 308 | spinlock_t cmd_orb_lock; |
329 | */ | 309 | struct list_head cmd_orb_inuse; |
330 | spinlock_t sbp2_command_orb_lock; | 310 | struct list_head cmd_orb_completed; |
331 | struct list_head sbp2_command_orb_inuse; | ||
332 | struct list_head sbp2_command_orb_completed; | ||
333 | 311 | ||
334 | struct list_head scsi_list; | 312 | /* Backlink to FireWire host; list of units attached to the host */ |
313 | struct sbp2_fwhost_info *hi; | ||
314 | struct list_head lu_list; | ||
335 | 315 | ||
336 | /* Node entry, as retrieved from NodeMgr entries */ | 316 | /* IEEE 1394 core's device representations */ |
337 | struct node_entry *ne; | 317 | struct node_entry *ne; |
338 | struct unit_directory *ud; | 318 | struct unit_directory *ud; |
339 | 319 | ||
340 | /* A backlink to our host_info */ | 320 | /* SCSI core's device representations */ |
341 | struct sbp2scsi_host_info *hi; | ||
342 | |||
343 | /* SCSI related pointers */ | ||
344 | struct scsi_device *sdev; | 321 | struct scsi_device *sdev; |
345 | struct Scsi_Host *scsi_host; | 322 | struct Scsi_Host *shost; |
346 | 323 | ||
347 | /* Device specific workarounds/brokeness */ | 324 | /* Device specific workarounds/brokeness */ |
348 | unsigned workarounds; | 325 | unsigned workarounds; |
349 | 326 | ||
327 | /* Connection state */ | ||
350 | atomic_t state; | 328 | atomic_t state; |
351 | struct delayed_work protocol_work; | 329 | |
330 | /* For deferred requests to the fetch agent */ | ||
331 | struct work_struct protocol_work; | ||
352 | }; | 332 | }; |
353 | 333 | ||
354 | /* For use in scsi_id_instance_data.state */ | 334 | /* For use in sbp2_lu.state */ |
355 | enum sbp2lu_state_types { | 335 | enum sbp2lu_state_types { |
356 | SBP2LU_STATE_RUNNING, /* all normal */ | 336 | SBP2LU_STATE_RUNNING, /* all normal */ |
357 | SBP2LU_STATE_IN_RESET, /* between bus reset and reconnect */ | 337 | SBP2LU_STATE_IN_RESET, /* between bus reset and reconnect */ |
358 | SBP2LU_STATE_IN_SHUTDOWN /* when sbp2_remove was called */ | 338 | SBP2LU_STATE_IN_SHUTDOWN /* when sbp2_remove was called */ |
359 | }; | 339 | }; |
360 | 340 | ||
361 | /* Sbp2 host data structure (one per IEEE1394 host) */ | 341 | /* For use in sbp2_lu.workarounds and in the corresponding |
362 | struct sbp2scsi_host_info { | 342 | * module load parameter */ |
363 | struct hpsb_host *host; /* IEEE1394 host */ | 343 | #define SBP2_WORKAROUND_128K_MAX_TRANS 0x1 |
364 | struct list_head scsi_ids; /* List of scsi ids on this host */ | 344 | #define SBP2_WORKAROUND_INQUIRY_36 0x2 |
365 | }; | 345 | #define SBP2_WORKAROUND_MODE_SENSE_8 0x4 |
366 | 346 | #define SBP2_WORKAROUND_FIX_CAPACITY 0x8 | |
367 | /* | 347 | #define SBP2_WORKAROUND_OVERRIDE 0x100 |
368 | * Function prototypes | ||
369 | */ | ||
370 | |||
371 | /* | ||
372 | * Various utility prototypes | ||
373 | */ | ||
374 | static int sbp2util_create_command_orb_pool(struct scsi_id_instance_data *scsi_id); | ||
375 | static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_id); | ||
376 | static struct sbp2_command_info *sbp2util_find_command_for_orb(struct scsi_id_instance_data *scsi_id, dma_addr_t orb); | ||
377 | static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(struct scsi_id_instance_data *scsi_id, void *SCpnt); | ||
378 | static struct sbp2_command_info *sbp2util_allocate_command_orb(struct scsi_id_instance_data *scsi_id, | ||
379 | struct scsi_cmnd *Current_SCpnt, | ||
380 | void (*Current_done)(struct scsi_cmnd *)); | ||
381 | static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_id, | ||
382 | struct sbp2_command_info *command); | ||
383 | |||
384 | |||
385 | static int sbp2_start_device(struct scsi_id_instance_data *scsi_id); | ||
386 | static void sbp2_remove_device(struct scsi_id_instance_data *scsi_id); | ||
387 | |||
388 | #ifdef CONFIG_IEEE1394_SBP2_PHYS_DMA | ||
389 | static int sbp2_handle_physdma_write(struct hpsb_host *host, int nodeid, int destid, quadlet_t *data, | ||
390 | u64 addr, size_t length, u16 flags); | ||
391 | static int sbp2_handle_physdma_read(struct hpsb_host *host, int nodeid, quadlet_t *data, | ||
392 | u64 addr, size_t length, u16 flags); | ||
393 | #endif | ||
394 | |||
395 | /* | ||
396 | * SBP-2 protocol related prototypes | ||
397 | */ | ||
398 | static int sbp2_query_logins(struct scsi_id_instance_data *scsi_id); | ||
399 | static int sbp2_login_device(struct scsi_id_instance_data *scsi_id); | ||
400 | static int sbp2_reconnect_device(struct scsi_id_instance_data *scsi_id); | ||
401 | static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id); | ||
402 | static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid, | ||
403 | quadlet_t *data, u64 addr, size_t length, u16 flags); | ||
404 | static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait); | ||
405 | static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, | ||
406 | unchar *sense_data); | ||
407 | static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, | ||
408 | struct unit_directory *ud); | ||
409 | static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id); | ||
410 | static int sbp2_max_speed_and_size(struct scsi_id_instance_data *scsi_id); | ||
411 | 348 | ||
412 | #endif /* SBP2_H */ | 349 | #endif /* SBP2_H */ |
diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index 9bc65059cc69..598b19fc5989 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c | |||
@@ -714,8 +714,8 @@ static inline unsigned video1394_buffer_state(struct dma_iso_ctx *d, | |||
714 | return ret; | 714 | return ret; |
715 | } | 715 | } |
716 | 716 | ||
717 | static int __video1394_ioctl(struct file *file, | 717 | static long video1394_ioctl(struct file *file, |
718 | unsigned int cmd, unsigned long arg) | 718 | unsigned int cmd, unsigned long arg) |
719 | { | 719 | { |
720 | struct file_ctx *ctx = (struct file_ctx *)file->private_data; | 720 | struct file_ctx *ctx = (struct file_ctx *)file->private_data; |
721 | struct ti_ohci *ohci = ctx->ohci; | 721 | struct ti_ohci *ohci = ctx->ohci; |
@@ -884,13 +884,14 @@ static int __video1394_ioctl(struct file *file, | |||
884 | struct dma_iso_ctx *d; | 884 | struct dma_iso_ctx *d; |
885 | int next_prg; | 885 | int next_prg; |
886 | 886 | ||
887 | if (copy_from_user(&v, argp, sizeof(v))) | 887 | if (unlikely(copy_from_user(&v, argp, sizeof(v)))) |
888 | return -EFAULT; | 888 | return -EFAULT; |
889 | 889 | ||
890 | d = find_ctx(&ctx->context_list, OHCI_ISO_RECEIVE, v.channel); | 890 | d = find_ctx(&ctx->context_list, OHCI_ISO_RECEIVE, v.channel); |
891 | if (d == NULL) return -EFAULT; | 891 | if (unlikely(d == NULL)) |
892 | return -EFAULT; | ||
892 | 893 | ||
893 | if ((v.buffer<0) || (v.buffer>=d->num_desc - 1)) { | 894 | if (unlikely((v.buffer<0) || (v.buffer>=d->num_desc - 1))) { |
894 | PRINT(KERN_ERR, ohci->host->id, | 895 | PRINT(KERN_ERR, ohci->host->id, |
895 | "Buffer %d out of range",v.buffer); | 896 | "Buffer %d out of range",v.buffer); |
896 | return -EINVAL; | 897 | return -EINVAL; |
@@ -898,7 +899,7 @@ static int __video1394_ioctl(struct file *file, | |||
898 | 899 | ||
899 | spin_lock_irqsave(&d->lock,flags); | 900 | spin_lock_irqsave(&d->lock,flags); |
900 | 901 | ||
901 | if (d->buffer_status[v.buffer]==VIDEO1394_BUFFER_QUEUED) { | 902 | if (unlikely(d->buffer_status[v.buffer]==VIDEO1394_BUFFER_QUEUED)) { |
902 | PRINT(KERN_ERR, ohci->host->id, | 903 | PRINT(KERN_ERR, ohci->host->id, |
903 | "Buffer %d is already used",v.buffer); | 904 | "Buffer %d is already used",v.buffer); |
904 | spin_unlock_irqrestore(&d->lock,flags); | 905 | spin_unlock_irqrestore(&d->lock,flags); |
@@ -949,13 +950,14 @@ static int __video1394_ioctl(struct file *file, | |||
949 | struct dma_iso_ctx *d; | 950 | struct dma_iso_ctx *d; |
950 | int i = 0; | 951 | int i = 0; |
951 | 952 | ||
952 | if (copy_from_user(&v, argp, sizeof(v))) | 953 | if (unlikely(copy_from_user(&v, argp, sizeof(v)))) |
953 | return -EFAULT; | 954 | return -EFAULT; |
954 | 955 | ||
955 | d = find_ctx(&ctx->context_list, OHCI_ISO_RECEIVE, v.channel); | 956 | d = find_ctx(&ctx->context_list, OHCI_ISO_RECEIVE, v.channel); |
956 | if (d == NULL) return -EFAULT; | 957 | if (unlikely(d == NULL)) |
958 | return -EFAULT; | ||
957 | 959 | ||
958 | if ((v.buffer<0) || (v.buffer>d->num_desc - 1)) { | 960 | if (unlikely((v.buffer<0) || (v.buffer>d->num_desc - 1))) { |
959 | PRINT(KERN_ERR, ohci->host->id, | 961 | PRINT(KERN_ERR, ohci->host->id, |
960 | "Buffer %d out of range",v.buffer); | 962 | "Buffer %d out of range",v.buffer); |
961 | return -EINVAL; | 963 | return -EINVAL; |
@@ -1008,7 +1010,7 @@ static int __video1394_ioctl(struct file *file, | |||
1008 | spin_unlock_irqrestore(&d->lock, flags); | 1010 | spin_unlock_irqrestore(&d->lock, flags); |
1009 | 1011 | ||
1010 | v.buffer=i; | 1012 | v.buffer=i; |
1011 | if (copy_to_user(argp, &v, sizeof(v))) | 1013 | if (unlikely(copy_to_user(argp, &v, sizeof(v)))) |
1012 | return -EFAULT; | 1014 | return -EFAULT; |
1013 | 1015 | ||
1014 | return 0; | 1016 | return 0; |
@@ -1156,15 +1158,6 @@ static int __video1394_ioctl(struct file *file, | |||
1156 | } | 1158 | } |
1157 | } | 1159 | } |
1158 | 1160 | ||
1159 | static long video1394_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | ||
1160 | { | ||
1161 | int err; | ||
1162 | lock_kernel(); | ||
1163 | err = __video1394_ioctl(file, cmd, arg); | ||
1164 | unlock_kernel(); | ||
1165 | return err; | ||
1166 | } | ||
1167 | |||
1168 | /* | 1161 | /* |
1169 | * This maps the vmalloced and reserved buffer to user space. | 1162 | * This maps the vmalloced and reserved buffer to user space. |
1170 | * | 1163 | * |
@@ -1177,17 +1170,14 @@ static long video1394_ioctl(struct file *file, unsigned int cmd, unsigned long a | |||
1177 | static int video1394_mmap(struct file *file, struct vm_area_struct *vma) | 1170 | static int video1394_mmap(struct file *file, struct vm_area_struct *vma) |
1178 | { | 1171 | { |
1179 | struct file_ctx *ctx = (struct file_ctx *)file->private_data; | 1172 | struct file_ctx *ctx = (struct file_ctx *)file->private_data; |
1180 | int res = -EINVAL; | ||
1181 | 1173 | ||
1182 | lock_kernel(); | ||
1183 | if (ctx->current_ctx == NULL) { | 1174 | if (ctx->current_ctx == NULL) { |
1184 | PRINT(KERN_ERR, ctx->ohci->host->id, | 1175 | PRINT(KERN_ERR, ctx->ohci->host->id, |
1185 | "Current iso context not set"); | 1176 | "Current iso context not set"); |
1186 | } else | 1177 | return -EINVAL; |
1187 | res = dma_region_mmap(&ctx->current_ctx->dma, file, vma); | 1178 | } |
1188 | unlock_kernel(); | ||
1189 | 1179 | ||
1190 | return res; | 1180 | return dma_region_mmap(&ctx->current_ctx->dma, file, vma); |
1191 | } | 1181 | } |
1192 | 1182 | ||
1193 | static unsigned int video1394_poll(struct file *file, poll_table *pt) | 1183 | static unsigned int video1394_poll(struct file *file, poll_table *pt) |
@@ -1198,14 +1188,12 @@ static unsigned int video1394_poll(struct file *file, poll_table *pt) | |||
1198 | struct dma_iso_ctx *d; | 1188 | struct dma_iso_ctx *d; |
1199 | int i; | 1189 | int i; |
1200 | 1190 | ||
1201 | lock_kernel(); | ||
1202 | ctx = file->private_data; | 1191 | ctx = file->private_data; |
1203 | d = ctx->current_ctx; | 1192 | d = ctx->current_ctx; |
1204 | if (d == NULL) { | 1193 | if (d == NULL) { |
1205 | PRINT(KERN_ERR, ctx->ohci->host->id, | 1194 | PRINT(KERN_ERR, ctx->ohci->host->id, |
1206 | "Current iso context not set"); | 1195 | "Current iso context not set"); |
1207 | mask = POLLERR; | 1196 | return POLLERR; |
1208 | goto done; | ||
1209 | } | 1197 | } |
1210 | 1198 | ||
1211 | poll_wait(file, &d->waitq, pt); | 1199 | poll_wait(file, &d->waitq, pt); |
@@ -1218,8 +1206,6 @@ static unsigned int video1394_poll(struct file *file, poll_table *pt) | |||
1218 | } | 1206 | } |
1219 | } | 1207 | } |
1220 | spin_unlock_irqrestore(&d->lock, flags); | 1208 | spin_unlock_irqrestore(&d->lock, flags); |
1221 | done: | ||
1222 | unlock_kernel(); | ||
1223 | 1209 | ||
1224 | return mask; | 1210 | return mask; |
1225 | } | 1211 | } |
@@ -1255,7 +1241,6 @@ static int video1394_release(struct inode *inode, struct file *file) | |||
1255 | struct list_head *lh, *next; | 1241 | struct list_head *lh, *next; |
1256 | u64 mask; | 1242 | u64 mask; |
1257 | 1243 | ||
1258 | lock_kernel(); | ||
1259 | list_for_each_safe(lh, next, &ctx->context_list) { | 1244 | list_for_each_safe(lh, next, &ctx->context_list) { |
1260 | struct dma_iso_ctx *d; | 1245 | struct dma_iso_ctx *d; |
1261 | d = list_entry(lh, struct dma_iso_ctx, link); | 1246 | d = list_entry(lh, struct dma_iso_ctx, link); |
@@ -1276,7 +1261,6 @@ static int video1394_release(struct inode *inode, struct file *file) | |||
1276 | kfree(ctx); | 1261 | kfree(ctx); |
1277 | file->private_data = NULL; | 1262 | file->private_data = NULL; |
1278 | 1263 | ||
1279 | unlock_kernel(); | ||
1280 | return 0; | 1264 | return 0; |
1281 | } | 1265 | } |
1282 | 1266 | ||
@@ -1324,12 +1308,8 @@ static struct ieee1394_device_id video1394_id_table[] = { | |||
1324 | MODULE_DEVICE_TABLE(ieee1394, video1394_id_table); | 1308 | MODULE_DEVICE_TABLE(ieee1394, video1394_id_table); |
1325 | 1309 | ||
1326 | static struct hpsb_protocol_driver video1394_driver = { | 1310 | static struct hpsb_protocol_driver video1394_driver = { |
1327 | .name = "1394 Digital Camera Driver", | 1311 | .name = VIDEO1394_DRIVER_NAME, |
1328 | .id_table = video1394_id_table, | 1312 | .id_table = video1394_id_table, |
1329 | .driver = { | ||
1330 | .name = VIDEO1394_DRIVER_NAME, | ||
1331 | .bus = &ieee1394_bus_type, | ||
1332 | }, | ||
1333 | }; | 1313 | }; |
1334 | 1314 | ||
1335 | 1315 | ||