diff options
-rw-r--r-- | arch/sparc64/defconfig | 41 | ||||
-rw-r--r-- | arch/sparc64/kernel/irq.c | 146 | ||||
-rw-r--r-- | arch/sparc64/kernel/pci.c | 35 | ||||
-rw-r--r-- | arch/sparc64/kernel/pci_common.c | 25 | ||||
-rw-r--r-- | arch/sparc64/kernel/pci_sun4v.c | 444 | ||||
-rw-r--r-- | arch/sparc64/kernel/pci_sun4v.h | 61 | ||||
-rw-r--r-- | arch/sparc64/kernel/pci_sun4v_asm.S | 266 | ||||
-rw-r--r-- | block/ioctl.c | 2 | ||||
-rw-r--r-- | drivers/pci/Kconfig | 2 | ||||
-rw-r--r-- | drivers/sbus/sbus.c | 18 | ||||
-rw-r--r-- | fs/partitions/check.c | 15 | ||||
-rw-r--r-- | fs/partitions/msdos.c | 2 | ||||
-rw-r--r-- | fs/partitions/sgi.c | 2 | ||||
-rw-r--r-- | fs/partitions/sun.c | 5 | ||||
-rw-r--r-- | include/asm-sparc64/irq.h | 4 | ||||
-rw-r--r-- | include/asm-sparc64/pbm.h | 28 | ||||
-rw-r--r-- | include/linux/genhd.h | 8 |
17 files changed, 1054 insertions, 50 deletions
diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig index 5a9e68b13e60..069ee3ccd849 100644 --- a/arch/sparc64/defconfig +++ b/arch/sparc64/defconfig | |||
@@ -1,7 +1,7 @@ | |||
1 | # | 1 | # |
2 | # Automatically generated make config: don't edit | 2 | # Automatically generated make config: don't edit |
3 | # Linux kernel version: 2.6.20-rc2 | 3 | # Linux kernel version: 2.6.20 |
4 | # Thu Dec 28 15:09:49 2006 | 4 | # Sat Feb 10 23:08:12 2007 |
5 | # | 5 | # |
6 | CONFIG_SPARC=y | 6 | CONFIG_SPARC=y |
7 | CONFIG_SPARC64=y | 7 | CONFIG_SPARC64=y |
@@ -151,7 +151,7 @@ CONFIG_SUN_AUXIO=y | |||
151 | CONFIG_SUN_IO=y | 151 | CONFIG_SUN_IO=y |
152 | CONFIG_PCI=y | 152 | CONFIG_PCI=y |
153 | CONFIG_PCI_DOMAINS=y | 153 | CONFIG_PCI_DOMAINS=y |
154 | # CONFIG_PCI_MULTITHREAD_PROBE is not set | 154 | CONFIG_PCI_MSI=y |
155 | # CONFIG_PCI_DEBUG is not set | 155 | # CONFIG_PCI_DEBUG is not set |
156 | CONFIG_SUN_OPENPROMFS=m | 156 | CONFIG_SUN_OPENPROMFS=m |
157 | CONFIG_SPARC32_COMPAT=y | 157 | CONFIG_SPARC32_COMPAT=y |
@@ -182,7 +182,9 @@ CONFIG_UNIX=y | |||
182 | CONFIG_XFRM=y | 182 | CONFIG_XFRM=y |
183 | CONFIG_XFRM_USER=m | 183 | CONFIG_XFRM_USER=m |
184 | # CONFIG_XFRM_SUB_POLICY is not set | 184 | # CONFIG_XFRM_SUB_POLICY is not set |
185 | CONFIG_XFRM_MIGRATE=y | ||
185 | CONFIG_NET_KEY=m | 186 | CONFIG_NET_KEY=m |
187 | CONFIG_NET_KEY_MIGRATE=y | ||
186 | CONFIG_INET=y | 188 | CONFIG_INET=y |
187 | CONFIG_IP_MULTICAST=y | 189 | CONFIG_IP_MULTICAST=y |
188 | # CONFIG_IP_ADVANCED_ROUTER is not set | 190 | # CONFIG_IP_ADVANCED_ROUTER is not set |
@@ -300,6 +302,7 @@ CONFIG_STANDALONE=y | |||
300 | # CONFIG_PREVENT_FIRMWARE_BUILD is not set | 302 | # CONFIG_PREVENT_FIRMWARE_BUILD is not set |
301 | CONFIG_FW_LOADER=y | 303 | CONFIG_FW_LOADER=y |
302 | # CONFIG_DEBUG_DRIVER is not set | 304 | # CONFIG_DEBUG_DRIVER is not set |
305 | # CONFIG_DEBUG_DEVRES is not set | ||
303 | # CONFIG_SYS_HYPERVISOR is not set | 306 | # CONFIG_SYS_HYPERVISOR is not set |
304 | 307 | ||
305 | # | 308 | # |
@@ -393,6 +396,7 @@ CONFIG_BLK_DEV_ALI15X3=y | |||
393 | # CONFIG_BLK_DEV_JMICRON is not set | 396 | # CONFIG_BLK_DEV_JMICRON is not set |
394 | # CONFIG_BLK_DEV_SC1200 is not set | 397 | # CONFIG_BLK_DEV_SC1200 is not set |
395 | # CONFIG_BLK_DEV_PIIX is not set | 398 | # CONFIG_BLK_DEV_PIIX is not set |
399 | # CONFIG_BLK_DEV_IT8213 is not set | ||
396 | # CONFIG_BLK_DEV_IT821X is not set | 400 | # CONFIG_BLK_DEV_IT821X is not set |
397 | # CONFIG_BLK_DEV_NS87415 is not set | 401 | # CONFIG_BLK_DEV_NS87415 is not set |
398 | # CONFIG_BLK_DEV_PDC202XX_OLD is not set | 402 | # CONFIG_BLK_DEV_PDC202XX_OLD is not set |
@@ -402,6 +406,7 @@ CONFIG_BLK_DEV_ALI15X3=y | |||
402 | # CONFIG_BLK_DEV_SLC90E66 is not set | 406 | # CONFIG_BLK_DEV_SLC90E66 is not set |
403 | # CONFIG_BLK_DEV_TRM290 is not set | 407 | # CONFIG_BLK_DEV_TRM290 is not set |
404 | # CONFIG_BLK_DEV_VIA82CXXX is not set | 408 | # CONFIG_BLK_DEV_VIA82CXXX is not set |
409 | # CONFIG_BLK_DEV_TC86C001 is not set | ||
405 | # CONFIG_IDE_ARM is not set | 410 | # CONFIG_IDE_ARM is not set |
406 | CONFIG_BLK_DEV_IDEDMA=y | 411 | CONFIG_BLK_DEV_IDEDMA=y |
407 | # CONFIG_IDEDMA_IVB is not set | 412 | # CONFIG_IDEDMA_IVB is not set |
@@ -579,6 +584,7 @@ CONFIG_NET_PCI=y | |||
579 | # CONFIG_EPIC100 is not set | 584 | # CONFIG_EPIC100 is not set |
580 | # CONFIG_SUNDANCE is not set | 585 | # CONFIG_SUNDANCE is not set |
581 | # CONFIG_VIA_RHINE is not set | 586 | # CONFIG_VIA_RHINE is not set |
587 | # CONFIG_SC92031 is not set | ||
582 | 588 | ||
583 | # | 589 | # |
584 | # Ethernet (1000 Mbit) | 590 | # Ethernet (1000 Mbit) |
@@ -601,11 +607,13 @@ CONFIG_E1000_NAPI=y | |||
601 | CONFIG_TIGON3=m | 607 | CONFIG_TIGON3=m |
602 | CONFIG_BNX2=m | 608 | CONFIG_BNX2=m |
603 | # CONFIG_QLA3XXX is not set | 609 | # CONFIG_QLA3XXX is not set |
610 | # CONFIG_ATL1 is not set | ||
604 | 611 | ||
605 | # | 612 | # |
606 | # Ethernet (10000 Mbit) | 613 | # Ethernet (10000 Mbit) |
607 | # | 614 | # |
608 | # CONFIG_CHELSIO_T1 is not set | 615 | # CONFIG_CHELSIO_T1 is not set |
616 | # CONFIG_CHELSIO_T3 is not set | ||
609 | # CONFIG_IXGB is not set | 617 | # CONFIG_IXGB is not set |
610 | # CONFIG_S2IO is not set | 618 | # CONFIG_S2IO is not set |
611 | # CONFIG_MYRI10GE is not set | 619 | # CONFIG_MYRI10GE is not set |
@@ -627,8 +635,17 @@ CONFIG_BNX2=m | |||
627 | # CONFIG_WAN is not set | 635 | # CONFIG_WAN is not set |
628 | # CONFIG_FDDI is not set | 636 | # CONFIG_FDDI is not set |
629 | # CONFIG_HIPPI is not set | 637 | # CONFIG_HIPPI is not set |
630 | # CONFIG_PPP is not set | 638 | CONFIG_PPP=m |
639 | CONFIG_PPP_MULTILINK=y | ||
640 | CONFIG_PPP_FILTER=y | ||
641 | CONFIG_PPP_ASYNC=m | ||
642 | CONFIG_PPP_SYNC_TTY=m | ||
643 | CONFIG_PPP_DEFLATE=m | ||
644 | CONFIG_PPP_BSDCOMP=m | ||
645 | CONFIG_PPP_MPPE=m | ||
646 | CONFIG_PPPOE=m | ||
631 | # CONFIG_SLIP is not set | 647 | # CONFIG_SLIP is not set |
648 | CONFIG_SLHC=m | ||
632 | # CONFIG_NET_FC is not set | 649 | # CONFIG_NET_FC is not set |
633 | # CONFIG_SHAPER is not set | 650 | # CONFIG_SHAPER is not set |
634 | # CONFIG_NETCONSOLE is not set | 651 | # CONFIG_NETCONSOLE is not set |
@@ -1043,6 +1060,11 @@ CONFIG_SND_SUN_CS4231=m | |||
1043 | # CONFIG_SND_SUN_DBRI is not set | 1060 | # CONFIG_SND_SUN_DBRI is not set |
1044 | 1061 | ||
1045 | # | 1062 | # |
1063 | # SoC audio support | ||
1064 | # | ||
1065 | # CONFIG_SND_SOC is not set | ||
1066 | |||
1067 | # | ||
1046 | # Open Sound System | 1068 | # Open Sound System |
1047 | # | 1069 | # |
1048 | # CONFIG_SOUND_PRIME is not set | 1070 | # CONFIG_SOUND_PRIME is not set |
@@ -1052,6 +1074,7 @@ CONFIG_AC97_BUS=m | |||
1052 | # HID Devices | 1074 | # HID Devices |
1053 | # | 1075 | # |
1054 | CONFIG_HID=y | 1076 | CONFIG_HID=y |
1077 | # CONFIG_HID_DEBUG is not set | ||
1055 | 1078 | ||
1056 | # | 1079 | # |
1057 | # USB support | 1080 | # USB support |
@@ -1066,9 +1089,7 @@ CONFIG_USB=y | |||
1066 | # Miscellaneous USB options | 1089 | # Miscellaneous USB options |
1067 | # | 1090 | # |
1068 | CONFIG_USB_DEVICEFS=y | 1091 | CONFIG_USB_DEVICEFS=y |
1069 | # CONFIG_USB_BANDWIDTH is not set | ||
1070 | # CONFIG_USB_DYNAMIC_MINORS is not set | 1092 | # CONFIG_USB_DYNAMIC_MINORS is not set |
1071 | # CONFIG_USB_MULTITHREAD_PROBE is not set | ||
1072 | # CONFIG_USB_OTG is not set | 1093 | # CONFIG_USB_OTG is not set |
1073 | 1094 | ||
1074 | # | 1095 | # |
@@ -1078,9 +1099,11 @@ CONFIG_USB_EHCI_HCD=m | |||
1078 | # CONFIG_USB_EHCI_SPLIT_ISO is not set | 1099 | # CONFIG_USB_EHCI_SPLIT_ISO is not set |
1079 | # CONFIG_USB_EHCI_ROOT_HUB_TT is not set | 1100 | # CONFIG_USB_EHCI_ROOT_HUB_TT is not set |
1080 | # CONFIG_USB_EHCI_TT_NEWSCHED is not set | 1101 | # CONFIG_USB_EHCI_TT_NEWSCHED is not set |
1102 | # CONFIG_USB_EHCI_BIG_ENDIAN_MMIO is not set | ||
1081 | # CONFIG_USB_ISP116X_HCD is not set | 1103 | # CONFIG_USB_ISP116X_HCD is not set |
1082 | CONFIG_USB_OHCI_HCD=y | 1104 | CONFIG_USB_OHCI_HCD=y |
1083 | # CONFIG_USB_OHCI_BIG_ENDIAN is not set | 1105 | # CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set |
1106 | # CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set | ||
1084 | CONFIG_USB_OHCI_LITTLE_ENDIAN=y | 1107 | CONFIG_USB_OHCI_LITTLE_ENDIAN=y |
1085 | CONFIG_USB_UHCI_HCD=m | 1108 | CONFIG_USB_UHCI_HCD=m |
1086 | # CONFIG_USB_SL811_HCD is not set | 1109 | # CONFIG_USB_SL811_HCD is not set |
@@ -1132,6 +1155,7 @@ CONFIG_USB_HIDDEV=y | |||
1132 | # CONFIG_USB_ATI_REMOTE2 is not set | 1155 | # CONFIG_USB_ATI_REMOTE2 is not set |
1133 | # CONFIG_USB_KEYSPAN_REMOTE is not set | 1156 | # CONFIG_USB_KEYSPAN_REMOTE is not set |
1134 | # CONFIG_USB_APPLETOUCH is not set | 1157 | # CONFIG_USB_APPLETOUCH is not set |
1158 | # CONFIG_USB_GTCO is not set | ||
1135 | 1159 | ||
1136 | # | 1160 | # |
1137 | # USB Imaging devices | 1161 | # USB Imaging devices |
@@ -1473,8 +1497,10 @@ CONFIG_CRYPTO_TGR192=m | |||
1473 | CONFIG_CRYPTO_GF128MUL=m | 1497 | CONFIG_CRYPTO_GF128MUL=m |
1474 | CONFIG_CRYPTO_ECB=m | 1498 | CONFIG_CRYPTO_ECB=m |
1475 | CONFIG_CRYPTO_CBC=y | 1499 | CONFIG_CRYPTO_CBC=y |
1500 | CONFIG_CRYPTO_PCBC=m | ||
1476 | CONFIG_CRYPTO_LRW=m | 1501 | CONFIG_CRYPTO_LRW=m |
1477 | CONFIG_CRYPTO_DES=y | 1502 | CONFIG_CRYPTO_DES=y |
1503 | CONFIG_CRYPTO_FCRYPT=m | ||
1478 | CONFIG_CRYPTO_BLOWFISH=m | 1504 | CONFIG_CRYPTO_BLOWFISH=m |
1479 | CONFIG_CRYPTO_TWOFISH=m | 1505 | CONFIG_CRYPTO_TWOFISH=m |
1480 | CONFIG_CRYPTO_TWOFISH_COMMON=m | 1506 | CONFIG_CRYPTO_TWOFISH_COMMON=m |
@@ -1489,6 +1515,7 @@ CONFIG_CRYPTO_ANUBIS=m | |||
1489 | CONFIG_CRYPTO_DEFLATE=y | 1515 | CONFIG_CRYPTO_DEFLATE=y |
1490 | CONFIG_CRYPTO_MICHAEL_MIC=m | 1516 | CONFIG_CRYPTO_MICHAEL_MIC=m |
1491 | CONFIG_CRYPTO_CRC32C=m | 1517 | CONFIG_CRYPTO_CRC32C=m |
1518 | CONFIG_CRYPTO_CAMELLIA=m | ||
1492 | CONFIG_CRYPTO_TEST=m | 1519 | CONFIG_CRYPTO_TEST=m |
1493 | 1520 | ||
1494 | # | 1521 | # |
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index c3d068c7a412..b5ff3ee5ace1 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c | |||
@@ -22,6 +22,7 @@ | |||
22 | #include <linux/seq_file.h> | 22 | #include <linux/seq_file.h> |
23 | #include <linux/bootmem.h> | 23 | #include <linux/bootmem.h> |
24 | #include <linux/irq.h> | 24 | #include <linux/irq.h> |
25 | #include <linux/msi.h> | ||
25 | 26 | ||
26 | #include <asm/ptrace.h> | 27 | #include <asm/ptrace.h> |
27 | #include <asm/processor.h> | 28 | #include <asm/processor.h> |
@@ -87,7 +88,6 @@ struct ino_bucket ivector_table[NUM_IVECS] __attribute__ ((aligned (SMP_CACHE_BY | |||
87 | #define irq_work(__cpu) &(trap_block[(__cpu)].irq_worklist) | 88 | #define irq_work(__cpu) &(trap_block[(__cpu)].irq_worklist) |
88 | 89 | ||
89 | static unsigned int virt_to_real_irq_table[NR_IRQS]; | 90 | static unsigned int virt_to_real_irq_table[NR_IRQS]; |
90 | static unsigned char virt_irq_cur = 1; | ||
91 | 91 | ||
92 | static unsigned char virt_irq_alloc(unsigned int real_irq) | 92 | static unsigned char virt_irq_alloc(unsigned int real_irq) |
93 | { | 93 | { |
@@ -95,26 +95,32 @@ static unsigned char virt_irq_alloc(unsigned int real_irq) | |||
95 | 95 | ||
96 | BUILD_BUG_ON(NR_IRQS >= 256); | 96 | BUILD_BUG_ON(NR_IRQS >= 256); |
97 | 97 | ||
98 | ent = virt_irq_cur; | 98 | for (ent = 1; ent < NR_IRQS; ent++) { |
99 | if (!virt_to_real_irq_table[ent]) | ||
100 | break; | ||
101 | } | ||
99 | if (ent >= NR_IRQS) { | 102 | if (ent >= NR_IRQS) { |
100 | printk(KERN_ERR "IRQ: Out of virtual IRQs.\n"); | 103 | printk(KERN_ERR "IRQ: Out of virtual IRQs.\n"); |
101 | return 0; | 104 | return 0; |
102 | } | 105 | } |
103 | 106 | ||
104 | virt_irq_cur = ent + 1; | ||
105 | virt_to_real_irq_table[ent] = real_irq; | 107 | virt_to_real_irq_table[ent] = real_irq; |
106 | 108 | ||
107 | return ent; | 109 | return ent; |
108 | } | 110 | } |
109 | 111 | ||
110 | #if 0 /* Currently unused. */ | 112 | static void virt_irq_free(unsigned int virt_irq) |
111 | static unsigned char real_to_virt_irq(unsigned int real_irq) | ||
112 | { | 113 | { |
113 | struct ino_bucket *bucket = __bucket(real_irq); | 114 | unsigned int real_irq; |
114 | 115 | ||
115 | return bucket->virt_irq; | 116 | if (virt_irq >= NR_IRQS) |
117 | return; | ||
118 | |||
119 | real_irq = virt_to_real_irq_table[virt_irq]; | ||
120 | virt_to_real_irq_table[virt_irq] = 0; | ||
121 | |||
122 | __bucket(real_irq)->virt_irq = 0; | ||
116 | } | 123 | } |
117 | #endif | ||
118 | 124 | ||
119 | static unsigned int virt_to_real_irq(unsigned char virt_irq) | 125 | static unsigned int virt_to_real_irq(unsigned char virt_irq) |
120 | { | 126 | { |
@@ -268,8 +274,7 @@ static int irq_choose_cpu(unsigned int virt_irq) | |||
268 | 274 | ||
269 | static void sun4u_irq_enable(unsigned int virt_irq) | 275 | static void sun4u_irq_enable(unsigned int virt_irq) |
270 | { | 276 | { |
271 | irq_desc_t *desc = irq_desc + virt_irq; | 277 | struct irq_handler_data *data = get_irq_chip_data(virt_irq); |
272 | struct irq_handler_data *data = desc->handler_data; | ||
273 | 278 | ||
274 | if (likely(data)) { | 279 | if (likely(data)) { |
275 | unsigned long cpuid, imap; | 280 | unsigned long cpuid, imap; |
@@ -286,8 +291,7 @@ static void sun4u_irq_enable(unsigned int virt_irq) | |||
286 | 291 | ||
287 | static void sun4u_irq_disable(unsigned int virt_irq) | 292 | static void sun4u_irq_disable(unsigned int virt_irq) |
288 | { | 293 | { |
289 | irq_desc_t *desc = irq_desc + virt_irq; | 294 | struct irq_handler_data *data = get_irq_chip_data(virt_irq); |
290 | struct irq_handler_data *data = desc->handler_data; | ||
291 | 295 | ||
292 | if (likely(data)) { | 296 | if (likely(data)) { |
293 | unsigned long imap = data->imap; | 297 | unsigned long imap = data->imap; |
@@ -300,8 +304,7 @@ static void sun4u_irq_disable(unsigned int virt_irq) | |||
300 | 304 | ||
301 | static void sun4u_irq_end(unsigned int virt_irq) | 305 | static void sun4u_irq_end(unsigned int virt_irq) |
302 | { | 306 | { |
303 | irq_desc_t *desc = irq_desc + virt_irq; | 307 | struct irq_handler_data *data = get_irq_chip_data(virt_irq); |
304 | struct irq_handler_data *data = desc->handler_data; | ||
305 | 308 | ||
306 | if (likely(data)) | 309 | if (likely(data)) |
307 | upa_writel(ICLR_IDLE, data->iclr); | 310 | upa_writel(ICLR_IDLE, data->iclr); |
@@ -344,6 +347,20 @@ static void sun4v_irq_disable(unsigned int virt_irq) | |||
344 | } | 347 | } |
345 | } | 348 | } |
346 | 349 | ||
350 | #ifdef CONFIG_PCI_MSI | ||
351 | static void sun4v_msi_enable(unsigned int virt_irq) | ||
352 | { | ||
353 | sun4v_irq_enable(virt_irq); | ||
354 | unmask_msi_irq(virt_irq); | ||
355 | } | ||
356 | |||
357 | static void sun4v_msi_disable(unsigned int virt_irq) | ||
358 | { | ||
359 | mask_msi_irq(virt_irq); | ||
360 | sun4v_irq_disable(virt_irq); | ||
361 | } | ||
362 | #endif | ||
363 | |||
347 | static void sun4v_irq_end(unsigned int virt_irq) | 364 | static void sun4v_irq_end(unsigned int virt_irq) |
348 | { | 365 | { |
349 | struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); | 366 | struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); |
@@ -362,8 +379,7 @@ static void sun4v_irq_end(unsigned int virt_irq) | |||
362 | static void run_pre_handler(unsigned int virt_irq) | 379 | static void run_pre_handler(unsigned int virt_irq) |
363 | { | 380 | { |
364 | struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); | 381 | struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); |
365 | irq_desc_t *desc = irq_desc + virt_irq; | 382 | struct irq_handler_data *data = get_irq_chip_data(virt_irq); |
366 | struct irq_handler_data *data = desc->handler_data; | ||
367 | 383 | ||
368 | if (likely(data->pre_handler)) { | 384 | if (likely(data->pre_handler)) { |
369 | data->pre_handler(__irq_ino(__irq(bucket)), | 385 | data->pre_handler(__irq_ino(__irq(bucket)), |
@@ -402,30 +418,47 @@ static struct irq_chip sun4v_irq_ack = { | |||
402 | .end = sun4v_irq_end, | 418 | .end = sun4v_irq_end, |
403 | }; | 419 | }; |
404 | 420 | ||
421 | #ifdef CONFIG_PCI_MSI | ||
422 | static struct irq_chip sun4v_msi = { | ||
423 | .typename = "sun4v+msi", | ||
424 | .mask = mask_msi_irq, | ||
425 | .unmask = unmask_msi_irq, | ||
426 | .enable = sun4v_msi_enable, | ||
427 | .disable = sun4v_msi_disable, | ||
428 | .ack = run_pre_handler, | ||
429 | .end = sun4v_irq_end, | ||
430 | }; | ||
431 | #endif | ||
432 | |||
405 | void irq_install_pre_handler(int virt_irq, | 433 | void irq_install_pre_handler(int virt_irq, |
406 | void (*func)(unsigned int, void *, void *), | 434 | void (*func)(unsigned int, void *, void *), |
407 | void *arg1, void *arg2) | 435 | void *arg1, void *arg2) |
408 | { | 436 | { |
409 | irq_desc_t *desc = irq_desc + virt_irq; | 437 | struct irq_handler_data *data = get_irq_chip_data(virt_irq); |
410 | struct irq_handler_data *data = desc->handler_data; | 438 | struct irq_chip *chip; |
411 | 439 | ||
412 | data->pre_handler = func; | 440 | data->pre_handler = func; |
413 | data->pre_handler_arg1 = arg1; | 441 | data->pre_handler_arg1 = arg1; |
414 | data->pre_handler_arg2 = arg2; | 442 | data->pre_handler_arg2 = arg2; |
415 | 443 | ||
416 | if (desc->chip == &sun4u_irq_ack || | 444 | chip = get_irq_chip(virt_irq); |
417 | desc->chip == &sun4v_irq_ack) | 445 | if (chip == &sun4u_irq_ack || |
446 | chip == &sun4v_irq_ack | ||
447 | #ifdef CONFIG_PCI_MSI | ||
448 | || chip == &sun4v_msi | ||
449 | #endif | ||
450 | ) | ||
418 | return; | 451 | return; |
419 | 452 | ||
420 | desc->chip = (desc->chip == &sun4u_irq ? | 453 | chip = (chip == &sun4u_irq ? |
421 | &sun4u_irq_ack : &sun4v_irq_ack); | 454 | &sun4u_irq_ack : &sun4v_irq_ack); |
455 | set_irq_chip(virt_irq, chip); | ||
422 | } | 456 | } |
423 | 457 | ||
424 | unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap) | 458 | unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap) |
425 | { | 459 | { |
426 | struct ino_bucket *bucket; | 460 | struct ino_bucket *bucket; |
427 | struct irq_handler_data *data; | 461 | struct irq_handler_data *data; |
428 | irq_desc_t *desc; | ||
429 | int ino; | 462 | int ino; |
430 | 463 | ||
431 | BUG_ON(tlb_type == hypervisor); | 464 | BUG_ON(tlb_type == hypervisor); |
@@ -434,11 +467,11 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap) | |||
434 | bucket = &ivector_table[ino]; | 467 | bucket = &ivector_table[ino]; |
435 | if (!bucket->virt_irq) { | 468 | if (!bucket->virt_irq) { |
436 | bucket->virt_irq = virt_irq_alloc(__irq(bucket)); | 469 | bucket->virt_irq = virt_irq_alloc(__irq(bucket)); |
437 | irq_desc[bucket->virt_irq].chip = &sun4u_irq; | 470 | set_irq_chip(bucket->virt_irq, &sun4u_irq); |
438 | } | 471 | } |
439 | 472 | ||
440 | desc = irq_desc + bucket->virt_irq; | 473 | data = get_irq_chip_data(bucket->virt_irq); |
441 | if (unlikely(desc->handler_data)) | 474 | if (unlikely(data)) |
442 | goto out; | 475 | goto out; |
443 | 476 | ||
444 | data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC); | 477 | data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC); |
@@ -446,7 +479,7 @@ unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap) | |||
446 | prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n"); | 479 | prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n"); |
447 | prom_halt(); | 480 | prom_halt(); |
448 | } | 481 | } |
449 | desc->handler_data = data; | 482 | set_irq_chip_data(bucket->virt_irq, data); |
450 | 483 | ||
451 | data->imap = imap; | 484 | data->imap = imap; |
452 | data->iclr = iclr; | 485 | data->iclr = iclr; |
@@ -460,7 +493,6 @@ unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino) | |||
460 | struct ino_bucket *bucket; | 493 | struct ino_bucket *bucket; |
461 | struct irq_handler_data *data; | 494 | struct irq_handler_data *data; |
462 | unsigned long sysino; | 495 | unsigned long sysino; |
463 | irq_desc_t *desc; | ||
464 | 496 | ||
465 | BUG_ON(tlb_type != hypervisor); | 497 | BUG_ON(tlb_type != hypervisor); |
466 | 498 | ||
@@ -468,11 +500,11 @@ unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino) | |||
468 | bucket = &ivector_table[sysino]; | 500 | bucket = &ivector_table[sysino]; |
469 | if (!bucket->virt_irq) { | 501 | if (!bucket->virt_irq) { |
470 | bucket->virt_irq = virt_irq_alloc(__irq(bucket)); | 502 | bucket->virt_irq = virt_irq_alloc(__irq(bucket)); |
471 | irq_desc[bucket->virt_irq].chip = &sun4v_irq; | 503 | set_irq_chip(bucket->virt_irq, &sun4v_irq); |
472 | } | 504 | } |
473 | 505 | ||
474 | desc = irq_desc + bucket->virt_irq; | 506 | data = get_irq_chip_data(bucket->virt_irq); |
475 | if (unlikely(desc->handler_data)) | 507 | if (unlikely(data)) |
476 | goto out; | 508 | goto out; |
477 | 509 | ||
478 | data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC); | 510 | data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC); |
@@ -480,7 +512,7 @@ unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino) | |||
480 | prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n"); | 512 | prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n"); |
481 | prom_halt(); | 513 | prom_halt(); |
482 | } | 514 | } |
483 | desc->handler_data = data; | 515 | set_irq_chip_data(bucket->virt_irq, data); |
484 | 516 | ||
485 | /* Catch accidental accesses to these things. IMAP/ICLR handling | 517 | /* Catch accidental accesses to these things. IMAP/ICLR handling |
486 | * is done by hypervisor calls on sun4v platforms, not by direct | 518 | * is done by hypervisor calls on sun4v platforms, not by direct |
@@ -493,6 +525,56 @@ out: | |||
493 | return bucket->virt_irq; | 525 | return bucket->virt_irq; |
494 | } | 526 | } |
495 | 527 | ||
528 | #ifdef CONFIG_PCI_MSI | ||
529 | unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p, | ||
530 | unsigned int msi_start, unsigned int msi_end) | ||
531 | { | ||
532 | struct ino_bucket *bucket; | ||
533 | struct irq_handler_data *data; | ||
534 | unsigned long sysino; | ||
535 | unsigned int devino; | ||
536 | |||
537 | BUG_ON(tlb_type != hypervisor); | ||
538 | |||
539 | /* Find a free devino in the given range. */ | ||
540 | for (devino = msi_start; devino < msi_end; devino++) { | ||
541 | sysino = sun4v_devino_to_sysino(devhandle, devino); | ||
542 | bucket = &ivector_table[sysino]; | ||
543 | if (!bucket->virt_irq) | ||
544 | break; | ||
545 | } | ||
546 | if (devino >= msi_end) | ||
547 | return 0; | ||
548 | |||
549 | sysino = sun4v_devino_to_sysino(devhandle, devino); | ||
550 | bucket = &ivector_table[sysino]; | ||
551 | bucket->virt_irq = virt_irq_alloc(__irq(bucket)); | ||
552 | *virt_irq_p = bucket->virt_irq; | ||
553 | set_irq_chip(bucket->virt_irq, &sun4v_msi); | ||
554 | |||
555 | data = get_irq_chip_data(bucket->virt_irq); | ||
556 | if (unlikely(data)) | ||
557 | return devino; | ||
558 | |||
559 | data = kzalloc(sizeof(struct irq_handler_data), GFP_ATOMIC); | ||
560 | if (unlikely(!data)) { | ||
561 | prom_printf("IRQ: kzalloc(irq_handler_data) failed.\n"); | ||
562 | prom_halt(); | ||
563 | } | ||
564 | set_irq_chip_data(bucket->virt_irq, data); | ||
565 | |||
566 | data->imap = ~0UL; | ||
567 | data->iclr = ~0UL; | ||
568 | |||
569 | return devino; | ||
570 | } | ||
571 | |||
572 | void sun4v_destroy_msi(unsigned int virt_irq) | ||
573 | { | ||
574 | virt_irq_free(virt_irq); | ||
575 | } | ||
576 | #endif | ||
577 | |||
496 | void ack_bad_irq(unsigned int virt_irq) | 578 | void ack_bad_irq(unsigned int virt_irq) |
497 | { | 579 | { |
498 | struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); | 580 | struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); |
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index dfc41cd4bb5d..6b740eb6fe7e 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c | |||
@@ -13,6 +13,8 @@ | |||
13 | #include <linux/capability.h> | 13 | #include <linux/capability.h> |
14 | #include <linux/errno.h> | 14 | #include <linux/errno.h> |
15 | #include <linux/smp_lock.h> | 15 | #include <linux/smp_lock.h> |
16 | #include <linux/msi.h> | ||
17 | #include <linux/irq.h> | ||
16 | #include <linux/init.h> | 18 | #include <linux/init.h> |
17 | 19 | ||
18 | #include <asm/uaccess.h> | 20 | #include <asm/uaccess.h> |
@@ -646,4 +648,37 @@ int pci_domain_nr(struct pci_bus *pbus) | |||
646 | } | 648 | } |
647 | EXPORT_SYMBOL(pci_domain_nr); | 649 | EXPORT_SYMBOL(pci_domain_nr); |
648 | 650 | ||
651 | #ifdef CONFIG_PCI_MSI | ||
652 | int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) | ||
653 | { | ||
654 | struct pcidev_cookie *pcp = pdev->sysdata; | ||
655 | struct pci_pbm_info *pbm = pcp->pbm; | ||
656 | struct pci_controller_info *p = pbm->parent; | ||
657 | int virt_irq, err; | ||
658 | |||
659 | if (!pbm->msi_num || !p->setup_msi_irq) | ||
660 | return -EINVAL; | ||
661 | |||
662 | err = p->setup_msi_irq(&virt_irq, pdev, desc); | ||
663 | if (err < 0) | ||
664 | return err; | ||
665 | |||
666 | return virt_irq; | ||
667 | } | ||
668 | |||
669 | void arch_teardown_msi_irq(unsigned int virt_irq) | ||
670 | { | ||
671 | struct msi_desc *entry = get_irq_data(virt_irq); | ||
672 | struct pci_dev *pdev = entry->dev; | ||
673 | struct pcidev_cookie *pcp = pdev->sysdata; | ||
674 | struct pci_pbm_info *pbm = pcp->pbm; | ||
675 | struct pci_controller_info *p = pbm->parent; | ||
676 | |||
677 | if (!pbm->msi_num || !p->setup_msi_irq) | ||
678 | return; | ||
679 | |||
680 | return p->teardown_msi_irq(virt_irq, pdev); | ||
681 | } | ||
682 | #endif /* !(CONFIG_PCI_MSI) */ | ||
683 | |||
649 | #endif /* !(CONFIG_PCI) */ | 684 | #endif /* !(CONFIG_PCI) */ |
diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c index 827ae30aa497..5a92cb90ebe0 100644 --- a/arch/sparc64/kernel/pci_common.c +++ b/arch/sparc64/kernel/pci_common.c | |||
@@ -7,6 +7,8 @@ | |||
7 | #include <linux/string.h> | 7 | #include <linux/string.h> |
8 | #include <linux/slab.h> | 8 | #include <linux/slab.h> |
9 | #include <linux/init.h> | 9 | #include <linux/init.h> |
10 | #include <linux/pci.h> | ||
11 | #include <linux/device.h> | ||
10 | 12 | ||
11 | #include <asm/pbm.h> | 13 | #include <asm/pbm.h> |
12 | #include <asm/prom.h> | 14 | #include <asm/prom.h> |
@@ -129,6 +131,20 @@ static void __init fixup_obp_assignments(struct pci_dev *pdev, | |||
129 | } | 131 | } |
130 | } | 132 | } |
131 | 133 | ||
134 | static ssize_t | ||
135 | show_pciobppath_attr(struct device * dev, struct device_attribute * attr, char * buf) | ||
136 | { | ||
137 | struct pci_dev *pdev; | ||
138 | struct pcidev_cookie *sysdata; | ||
139 | |||
140 | pdev = to_pci_dev(dev); | ||
141 | sysdata = pdev->sysdata; | ||
142 | |||
143 | return snprintf (buf, PAGE_SIZE, "%s\n", sysdata->prom_node->full_name); | ||
144 | } | ||
145 | |||
146 | static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_pciobppath_attr, NULL); | ||
147 | |||
132 | /* Fill in the PCI device cookie sysdata for the given | 148 | /* Fill in the PCI device cookie sysdata for the given |
133 | * PCI device. This cookie is the means by which one | 149 | * PCI device. This cookie is the means by which one |
134 | * can get to OBP and PCI controller specific information | 150 | * can get to OBP and PCI controller specific information |
@@ -142,7 +158,7 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm, | |||
142 | struct pcidev_cookie *pcp; | 158 | struct pcidev_cookie *pcp; |
143 | struct device_node *dp; | 159 | struct device_node *dp; |
144 | struct property *prop; | 160 | struct property *prop; |
145 | int nregs, len; | 161 | int nregs, len, err; |
146 | 162 | ||
147 | dp = find_device_prom_node(pbm, pdev, bus_node, | 163 | dp = find_device_prom_node(pbm, pdev, bus_node, |
148 | &pregs, &nregs); | 164 | &pregs, &nregs); |
@@ -215,6 +231,13 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm, | |||
215 | fixup_obp_assignments(pdev, pcp); | 231 | fixup_obp_assignments(pdev, pcp); |
216 | 232 | ||
217 | pdev->sysdata = pcp; | 233 | pdev->sysdata = pcp; |
234 | |||
235 | /* we don't really care if we can create this file or not, | ||
236 | * but we need to assign the result of the call or the world will fall | ||
237 | * under alien invasion and everybody will be frozen on a spaceship | ||
238 | * ready to be eaten on alpha centauri by some green and jelly humanoid. | ||
239 | */ | ||
240 | err = sysfs_create_file(&pdev->dev.kobj, &dev_attr_obppath.attr); | ||
218 | } | 241 | } |
219 | 242 | ||
220 | void __init pci_fill_in_pbm_cookies(struct pci_bus *pbus, | 243 | void __init pci_fill_in_pbm_cookies(struct pci_bus *pbus, |
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 6b04794b7a97..ec22cd61ec8c 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c | |||
@@ -10,6 +10,8 @@ | |||
10 | #include <linux/slab.h> | 10 | #include <linux/slab.h> |
11 | #include <linux/interrupt.h> | 11 | #include <linux/interrupt.h> |
12 | #include <linux/percpu.h> | 12 | #include <linux/percpu.h> |
13 | #include <linux/irq.h> | ||
14 | #include <linux/msi.h> | ||
13 | 15 | ||
14 | #include <asm/pbm.h> | 16 | #include <asm/pbm.h> |
15 | #include <asm/iommu.h> | 17 | #include <asm/iommu.h> |
@@ -1074,6 +1076,443 @@ static void pci_sun4v_get_bus_range(struct pci_pbm_info *pbm) | |||
1074 | 1076 | ||
1075 | } | 1077 | } |
1076 | 1078 | ||
1079 | #ifdef CONFIG_PCI_MSI | ||
1080 | struct pci_sun4v_msiq_entry { | ||
1081 | u64 version_type; | ||
1082 | #define MSIQ_VERSION_MASK 0xffffffff00000000UL | ||
1083 | #define MSIQ_VERSION_SHIFT 32 | ||
1084 | #define MSIQ_TYPE_MASK 0x00000000000000ffUL | ||
1085 | #define MSIQ_TYPE_SHIFT 0 | ||
1086 | #define MSIQ_TYPE_NONE 0x00 | ||
1087 | #define MSIQ_TYPE_MSG 0x01 | ||
1088 | #define MSIQ_TYPE_MSI32 0x02 | ||
1089 | #define MSIQ_TYPE_MSI64 0x03 | ||
1090 | #define MSIQ_TYPE_INTX 0x08 | ||
1091 | #define MSIQ_TYPE_NONE2 0xff | ||
1092 | |||
1093 | u64 intx_sysino; | ||
1094 | u64 reserved1; | ||
1095 | u64 stick; | ||
1096 | u64 req_id; /* bus/device/func */ | ||
1097 | #define MSIQ_REQID_BUS_MASK 0xff00UL | ||
1098 | #define MSIQ_REQID_BUS_SHIFT 8 | ||
1099 | #define MSIQ_REQID_DEVICE_MASK 0x00f8UL | ||
1100 | #define MSIQ_REQID_DEVICE_SHIFT 3 | ||
1101 | #define MSIQ_REQID_FUNC_MASK 0x0007UL | ||
1102 | #define MSIQ_REQID_FUNC_SHIFT 0 | ||
1103 | |||
1104 | u64 msi_address; | ||
1105 | |||
1106 | /* The format of this value is message type dependant. | ||
1107 | * For MSI bits 15:0 are the data from the MSI packet. | ||
1108 | * For MSI-X bits 31:0 are the data from the MSI packet. | ||
1109 | * For MSG, the message code and message routing code where: | ||
1110 | * bits 39:32 is the bus/device/fn of the msg target-id | ||
1111 | * bits 18:16 is the message routing code | ||
1112 | * bits 7:0 is the message code | ||
1113 | * For INTx the low order 2-bits are: | ||
1114 | * 00 - INTA | ||
1115 | * 01 - INTB | ||
1116 | * 10 - INTC | ||
1117 | * 11 - INTD | ||
1118 | */ | ||
1119 | u64 msi_data; | ||
1120 | |||
1121 | u64 reserved2; | ||
1122 | }; | ||
1123 | |||
1124 | /* For now this just runs as a pre-handler for the real interrupt handler. | ||
1125 | * So we just walk through the queue and ACK all the entries, update the | ||
1126 | * head pointer, and return. | ||
1127 | * | ||
1128 | * In the longer term it would be nice to do something more integrated | ||
1129 | * wherein we can pass in some of this MSI info to the drivers. This | ||
1130 | * would be most useful for PCIe fabric error messages, although we could | ||
1131 | * invoke those directly from the loop here in order to pass the info around. | ||
1132 | */ | ||
1133 | static void pci_sun4v_msi_prehandler(unsigned int ino, void *data1, void *data2) | ||
1134 | { | ||
1135 | struct pci_pbm_info *pbm = data1; | ||
1136 | struct pci_sun4v_msiq_entry *base, *ep; | ||
1137 | unsigned long msiqid, orig_head, head, type, err; | ||
1138 | |||
1139 | msiqid = (unsigned long) data2; | ||
1140 | |||
1141 | head = 0xdeadbeef; | ||
1142 | err = pci_sun4v_msiq_gethead(pbm->devhandle, msiqid, &head); | ||
1143 | if (unlikely(err)) | ||
1144 | goto hv_error_get; | ||
1145 | |||
1146 | if (unlikely(head >= (pbm->msiq_ent_count * sizeof(struct pci_sun4v_msiq_entry)))) | ||
1147 | goto bad_offset; | ||
1148 | |||
1149 | head /= sizeof(struct pci_sun4v_msiq_entry); | ||
1150 | orig_head = head; | ||
1151 | base = (pbm->msi_queues + ((msiqid - pbm->msiq_first) * | ||
1152 | (pbm->msiq_ent_count * | ||
1153 | sizeof(struct pci_sun4v_msiq_entry)))); | ||
1154 | ep = &base[head]; | ||
1155 | while ((ep->version_type & MSIQ_TYPE_MASK) != 0) { | ||
1156 | type = (ep->version_type & MSIQ_TYPE_MASK) >> MSIQ_TYPE_SHIFT; | ||
1157 | if (unlikely(type != MSIQ_TYPE_MSI32 && | ||
1158 | type != MSIQ_TYPE_MSI64)) | ||
1159 | goto bad_type; | ||
1160 | |||
1161 | pci_sun4v_msi_setstate(pbm->devhandle, | ||
1162 | ep->msi_data /* msi_num */, | ||
1163 | HV_MSISTATE_IDLE); | ||
1164 | |||
1165 | /* Clear the entry. */ | ||
1166 | ep->version_type &= ~MSIQ_TYPE_MASK; | ||
1167 | |||
1168 | /* Go to next entry in ring. */ | ||
1169 | head++; | ||
1170 | if (head >= pbm->msiq_ent_count) | ||
1171 | head = 0; | ||
1172 | ep = &base[head]; | ||
1173 | } | ||
1174 | |||
1175 | if (likely(head != orig_head)) { | ||
1176 | /* ACK entries by updating head pointer. */ | ||
1177 | head *= sizeof(struct pci_sun4v_msiq_entry); | ||
1178 | err = pci_sun4v_msiq_sethead(pbm->devhandle, msiqid, head); | ||
1179 | if (unlikely(err)) | ||
1180 | goto hv_error_set; | ||
1181 | } | ||
1182 | return; | ||
1183 | |||
1184 | hv_error_set: | ||
1185 | printk(KERN_EMERG "MSI: Hypervisor set head gives error %lu\n", err); | ||
1186 | goto hv_error_cont; | ||
1187 | |||
1188 | hv_error_get: | ||
1189 | printk(KERN_EMERG "MSI: Hypervisor get head gives error %lu\n", err); | ||
1190 | |||
1191 | hv_error_cont: | ||
1192 | printk(KERN_EMERG "MSI: devhandle[%x] msiqid[%lx] head[%lu]\n", | ||
1193 | pbm->devhandle, msiqid, head); | ||
1194 | return; | ||
1195 | |||
1196 | bad_offset: | ||
1197 | printk(KERN_EMERG "MSI: Hypervisor gives bad offset %lx max(%lx)\n", | ||
1198 | head, pbm->msiq_ent_count * sizeof(struct pci_sun4v_msiq_entry)); | ||
1199 | return; | ||
1200 | |||
1201 | bad_type: | ||
1202 | printk(KERN_EMERG "MSI: Entry has bad type %lx\n", type); | ||
1203 | return; | ||
1204 | } | ||
1205 | |||
1206 | static int msi_bitmap_alloc(struct pci_pbm_info *pbm) | ||
1207 | { | ||
1208 | unsigned long size, bits_per_ulong; | ||
1209 | |||
1210 | bits_per_ulong = sizeof(unsigned long) * 8; | ||
1211 | size = (pbm->msi_num + (bits_per_ulong - 1)) & ~(bits_per_ulong - 1); | ||
1212 | size /= 8; | ||
1213 | BUG_ON(size % sizeof(unsigned long)); | ||
1214 | |||
1215 | pbm->msi_bitmap = kzalloc(size, GFP_KERNEL); | ||
1216 | if (!pbm->msi_bitmap) | ||
1217 | return -ENOMEM; | ||
1218 | |||
1219 | return 0; | ||
1220 | } | ||
1221 | |||
1222 | static void msi_bitmap_free(struct pci_pbm_info *pbm) | ||
1223 | { | ||
1224 | kfree(pbm->msi_bitmap); | ||
1225 | pbm->msi_bitmap = NULL; | ||
1226 | } | ||
1227 | |||
1228 | static int msi_queue_alloc(struct pci_pbm_info *pbm) | ||
1229 | { | ||
1230 | unsigned long q_size, alloc_size, pages, order; | ||
1231 | int i; | ||
1232 | |||
1233 | q_size = pbm->msiq_ent_count * sizeof(struct pci_sun4v_msiq_entry); | ||
1234 | alloc_size = (pbm->msiq_num * q_size); | ||
1235 | order = get_order(alloc_size); | ||
1236 | pages = __get_free_pages(GFP_KERNEL | __GFP_COMP, order); | ||
1237 | if (pages == 0UL) { | ||
1238 | printk(KERN_ERR "MSI: Cannot allocate MSI queues (o=%lu).\n", | ||
1239 | order); | ||
1240 | return -ENOMEM; | ||
1241 | } | ||
1242 | memset((char *)pages, 0, PAGE_SIZE << order); | ||
1243 | pbm->msi_queues = (void *) pages; | ||
1244 | |||
1245 | for (i = 0; i < pbm->msiq_num; i++) { | ||
1246 | unsigned long err, base = __pa(pages + (i * q_size)); | ||
1247 | unsigned long ret1, ret2; | ||
1248 | |||
1249 | err = pci_sun4v_msiq_conf(pbm->devhandle, | ||
1250 | pbm->msiq_first + i, | ||
1251 | base, pbm->msiq_ent_count); | ||
1252 | if (err) { | ||
1253 | printk(KERN_ERR "MSI: msiq register fails (err=%lu)\n", | ||
1254 | err); | ||
1255 | goto h_error; | ||
1256 | } | ||
1257 | |||
1258 | err = pci_sun4v_msiq_info(pbm->devhandle, | ||
1259 | pbm->msiq_first + i, | ||
1260 | &ret1, &ret2); | ||
1261 | if (err) { | ||
1262 | printk(KERN_ERR "MSI: Cannot read msiq (err=%lu)\n", | ||
1263 | err); | ||
1264 | goto h_error; | ||
1265 | } | ||
1266 | if (ret1 != base || ret2 != pbm->msiq_ent_count) { | ||
1267 | printk(KERN_ERR "MSI: Bogus qconf " | ||
1268 | "expected[%lx:%x] got[%lx:%lx]\n", | ||
1269 | base, pbm->msiq_ent_count, | ||
1270 | ret1, ret2); | ||
1271 | goto h_error; | ||
1272 | } | ||
1273 | } | ||
1274 | |||
1275 | return 0; | ||
1276 | |||
1277 | h_error: | ||
1278 | free_pages(pages, order); | ||
1279 | return -EINVAL; | ||
1280 | } | ||
1281 | |||
1282 | static void pci_sun4v_msi_init(struct pci_pbm_info *pbm) | ||
1283 | { | ||
1284 | u32 *val; | ||
1285 | int len; | ||
1286 | |||
1287 | val = of_get_property(pbm->prom_node, "#msi-eqs", &len); | ||
1288 | if (!val || len != 4) | ||
1289 | goto no_msi; | ||
1290 | pbm->msiq_num = *val; | ||
1291 | if (pbm->msiq_num) { | ||
1292 | struct msiq_prop { | ||
1293 | u32 first_msiq; | ||
1294 | u32 num_msiq; | ||
1295 | u32 first_devino; | ||
1296 | } *mqp; | ||
1297 | struct msi_range_prop { | ||
1298 | u32 first_msi; | ||
1299 | u32 num_msi; | ||
1300 | } *mrng; | ||
1301 | struct addr_range_prop { | ||
1302 | u32 msi32_high; | ||
1303 | u32 msi32_low; | ||
1304 | u32 msi32_len; | ||
1305 | u32 msi64_high; | ||
1306 | u32 msi64_low; | ||
1307 | u32 msi64_len; | ||
1308 | } *arng; | ||
1309 | |||
1310 | val = of_get_property(pbm->prom_node, "msi-eq-size", &len); | ||
1311 | if (!val || len != 4) | ||
1312 | goto no_msi; | ||
1313 | |||
1314 | pbm->msiq_ent_count = *val; | ||
1315 | |||
1316 | mqp = of_get_property(pbm->prom_node, | ||
1317 | "msi-eq-to-devino", &len); | ||
1318 | if (!mqp || len != sizeof(struct msiq_prop)) | ||
1319 | goto no_msi; | ||
1320 | |||
1321 | pbm->msiq_first = mqp->first_msiq; | ||
1322 | pbm->msiq_first_devino = mqp->first_devino; | ||
1323 | |||
1324 | val = of_get_property(pbm->prom_node, "#msi", &len); | ||
1325 | if (!val || len != 4) | ||
1326 | goto no_msi; | ||
1327 | pbm->msi_num = *val; | ||
1328 | |||
1329 | mrng = of_get_property(pbm->prom_node, "msi-ranges", &len); | ||
1330 | if (!mrng || len != sizeof(struct msi_range_prop)) | ||
1331 | goto no_msi; | ||
1332 | pbm->msi_first = mrng->first_msi; | ||
1333 | |||
1334 | val = of_get_property(pbm->prom_node, "msi-data-mask", &len); | ||
1335 | if (!val || len != 4) | ||
1336 | goto no_msi; | ||
1337 | pbm->msi_data_mask = *val; | ||
1338 | |||
1339 | val = of_get_property(pbm->prom_node, "msix-data-width", &len); | ||
1340 | if (!val || len != 4) | ||
1341 | goto no_msi; | ||
1342 | pbm->msix_data_width = *val; | ||
1343 | |||
1344 | arng = of_get_property(pbm->prom_node, "msi-address-ranges", | ||
1345 | &len); | ||
1346 | if (!arng || len != sizeof(struct addr_range_prop)) | ||
1347 | goto no_msi; | ||
1348 | pbm->msi32_start = ((u64)arng->msi32_high << 32) | | ||
1349 | (u64) arng->msi32_low; | ||
1350 | pbm->msi64_start = ((u64)arng->msi64_high << 32) | | ||
1351 | (u64) arng->msi64_low; | ||
1352 | pbm->msi32_len = arng->msi32_len; | ||
1353 | pbm->msi64_len = arng->msi64_len; | ||
1354 | |||
1355 | if (msi_bitmap_alloc(pbm)) | ||
1356 | goto no_msi; | ||
1357 | |||
1358 | if (msi_queue_alloc(pbm)) { | ||
1359 | msi_bitmap_free(pbm); | ||
1360 | goto no_msi; | ||
1361 | } | ||
1362 | |||
1363 | printk(KERN_INFO "%s: MSI Queue first[%u] num[%u] count[%u] " | ||
1364 | "devino[0x%x]\n", | ||
1365 | pbm->name, | ||
1366 | pbm->msiq_first, pbm->msiq_num, | ||
1367 | pbm->msiq_ent_count, | ||
1368 | pbm->msiq_first_devino); | ||
1369 | printk(KERN_INFO "%s: MSI first[%u] num[%u] mask[0x%x] " | ||
1370 | "width[%u]\n", | ||
1371 | pbm->name, | ||
1372 | pbm->msi_first, pbm->msi_num, pbm->msi_data_mask, | ||
1373 | pbm->msix_data_width); | ||
1374 | printk(KERN_INFO "%s: MSI addr32[0x%lx:0x%x] " | ||
1375 | "addr64[0x%lx:0x%x]\n", | ||
1376 | pbm->name, | ||
1377 | pbm->msi32_start, pbm->msi32_len, | ||
1378 | pbm->msi64_start, pbm->msi64_len); | ||
1379 | printk(KERN_INFO "%s: MSI queues at RA [%p]\n", | ||
1380 | pbm->name, | ||
1381 | pbm->msi_queues); | ||
1382 | } | ||
1383 | |||
1384 | return; | ||
1385 | |||
1386 | no_msi: | ||
1387 | pbm->msiq_num = 0; | ||
1388 | printk(KERN_INFO "%s: No MSI support.\n", pbm->name); | ||
1389 | } | ||
1390 | |||
1391 | static int alloc_msi(struct pci_pbm_info *pbm) | ||
1392 | { | ||
1393 | int i; | ||
1394 | |||
1395 | for (i = 0; i < pbm->msi_num; i++) { | ||
1396 | if (!test_and_set_bit(i, pbm->msi_bitmap)) | ||
1397 | return i + pbm->msi_first; | ||
1398 | } | ||
1399 | |||
1400 | return -ENOENT; | ||
1401 | } | ||
1402 | |||
1403 | static void free_msi(struct pci_pbm_info *pbm, int msi_num) | ||
1404 | { | ||
1405 | msi_num -= pbm->msi_first; | ||
1406 | clear_bit(msi_num, pbm->msi_bitmap); | ||
1407 | } | ||
1408 | |||
1409 | static int pci_sun4v_setup_msi_irq(unsigned int *virt_irq_p, | ||
1410 | struct pci_dev *pdev, | ||
1411 | struct msi_desc *entry) | ||
1412 | { | ||
1413 | struct pcidev_cookie *pcp = pdev->sysdata; | ||
1414 | struct pci_pbm_info *pbm = pcp->pbm; | ||
1415 | unsigned long devino, msiqid; | ||
1416 | struct msi_msg msg; | ||
1417 | int msi_num, err; | ||
1418 | |||
1419 | *virt_irq_p = 0; | ||
1420 | |||
1421 | msi_num = alloc_msi(pbm); | ||
1422 | if (msi_num < 0) | ||
1423 | return msi_num; | ||
1424 | |||
1425 | devino = sun4v_build_msi(pbm->devhandle, virt_irq_p, | ||
1426 | pbm->msiq_first_devino, | ||
1427 | (pbm->msiq_first_devino + | ||
1428 | pbm->msiq_num)); | ||
1429 | err = -ENOMEM; | ||
1430 | if (!devino) | ||
1431 | goto out_err; | ||
1432 | |||
1433 | set_irq_msi(*virt_irq_p, entry); | ||
1434 | |||
1435 | msiqid = ((devino - pbm->msiq_first_devino) + | ||
1436 | pbm->msiq_first); | ||
1437 | |||
1438 | err = -EINVAL; | ||
1439 | if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE)) | ||
1440 | if (err) | ||
1441 | goto out_err; | ||
1442 | |||
1443 | if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID)) | ||
1444 | goto out_err; | ||
1445 | |||
1446 | if (pci_sun4v_msi_setmsiq(pbm->devhandle, | ||
1447 | msi_num, msiqid, | ||
1448 | (entry->msi_attrib.is_64 ? | ||
1449 | HV_MSITYPE_MSI64 : HV_MSITYPE_MSI32))) | ||
1450 | goto out_err; | ||
1451 | |||
1452 | if (pci_sun4v_msi_setstate(pbm->devhandle, msi_num, HV_MSISTATE_IDLE)) | ||
1453 | goto out_err; | ||
1454 | |||
1455 | if (pci_sun4v_msi_setvalid(pbm->devhandle, msi_num, HV_MSIVALID_VALID)) | ||
1456 | goto out_err; | ||
1457 | |||
1458 | pcp->msi_num = msi_num; | ||
1459 | |||
1460 | if (entry->msi_attrib.is_64) { | ||
1461 | msg.address_hi = pbm->msi64_start >> 32; | ||
1462 | msg.address_lo = pbm->msi64_start & 0xffffffff; | ||
1463 | } else { | ||
1464 | msg.address_hi = 0; | ||
1465 | msg.address_lo = pbm->msi32_start; | ||
1466 | } | ||
1467 | msg.data = msi_num; | ||
1468 | write_msi_msg(*virt_irq_p, &msg); | ||
1469 | |||
1470 | irq_install_pre_handler(*virt_irq_p, | ||
1471 | pci_sun4v_msi_prehandler, | ||
1472 | pbm, (void *) msiqid); | ||
1473 | |||
1474 | return 0; | ||
1475 | |||
1476 | out_err: | ||
1477 | free_msi(pbm, msi_num); | ||
1478 | sun4v_destroy_msi(*virt_irq_p); | ||
1479 | *virt_irq_p = 0; | ||
1480 | return err; | ||
1481 | |||
1482 | } | ||
1483 | |||
1484 | static void pci_sun4v_teardown_msi_irq(unsigned int virt_irq, | ||
1485 | struct pci_dev *pdev) | ||
1486 | { | ||
1487 | struct pcidev_cookie *pcp = pdev->sysdata; | ||
1488 | struct pci_pbm_info *pbm = pcp->pbm; | ||
1489 | unsigned long msiqid, err; | ||
1490 | unsigned int msi_num; | ||
1491 | |||
1492 | msi_num = pcp->msi_num; | ||
1493 | err = pci_sun4v_msi_getmsiq(pbm->devhandle, msi_num, &msiqid); | ||
1494 | if (err) { | ||
1495 | printk(KERN_ERR "%s: getmsiq gives error %lu\n", | ||
1496 | pbm->name, err); | ||
1497 | return; | ||
1498 | } | ||
1499 | |||
1500 | pci_sun4v_msi_setvalid(pbm->devhandle, msi_num, HV_MSIVALID_INVALID); | ||
1501 | pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_INVALID); | ||
1502 | |||
1503 | free_msi(pbm, msi_num); | ||
1504 | |||
1505 | /* The sun4v_destroy_msi() will liberate the devino and thus the MSIQ | ||
1506 | * allocation. | ||
1507 | */ | ||
1508 | sun4v_destroy_msi(virt_irq); | ||
1509 | } | ||
1510 | #else /* CONFIG_PCI_MSI */ | ||
1511 | static void pci_sun4v_msi_init(struct pci_pbm_info *pbm) | ||
1512 | { | ||
1513 | } | ||
1514 | #endif /* !(CONFIG_PCI_MSI) */ | ||
1515 | |||
1077 | static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node *dp, u32 devhandle) | 1516 | static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node *dp, u32 devhandle) |
1078 | { | 1517 | { |
1079 | struct pci_pbm_info *pbm; | 1518 | struct pci_pbm_info *pbm; |
@@ -1119,6 +1558,7 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node | |||
1119 | 1558 | ||
1120 | pci_sun4v_get_bus_range(pbm); | 1559 | pci_sun4v_get_bus_range(pbm); |
1121 | pci_sun4v_iommu_init(pbm); | 1560 | pci_sun4v_iommu_init(pbm); |
1561 | pci_sun4v_msi_init(pbm); | ||
1122 | 1562 | ||
1123 | pdev_htab_populate(pbm); | 1563 | pdev_htab_populate(pbm); |
1124 | } | 1564 | } |
@@ -1187,6 +1627,10 @@ void sun4v_pci_init(struct device_node *dp, char *model_name) | |||
1187 | p->scan_bus = pci_sun4v_scan_bus; | 1627 | p->scan_bus = pci_sun4v_scan_bus; |
1188 | p->base_address_update = pci_sun4v_base_address_update; | 1628 | p->base_address_update = pci_sun4v_base_address_update; |
1189 | p->resource_adjust = pci_sun4v_resource_adjust; | 1629 | p->resource_adjust = pci_sun4v_resource_adjust; |
1630 | #ifdef CONFIG_PCI_MSI | ||
1631 | p->setup_msi_irq = pci_sun4v_setup_msi_irq; | ||
1632 | p->teardown_msi_irq = pci_sun4v_teardown_msi_irq; | ||
1633 | #endif | ||
1190 | p->pci_ops = &pci_sun4v_ops; | 1634 | p->pci_ops = &pci_sun4v_ops; |
1191 | 1635 | ||
1192 | /* Like PSYCHO and SCHIZO we have a 2GB aligned area | 1636 | /* Like PSYCHO and SCHIZO we have a 2GB aligned area |
diff --git a/arch/sparc64/kernel/pci_sun4v.h b/arch/sparc64/kernel/pci_sun4v.h index 884d25f6158d..8e9fc3a5b4f5 100644 --- a/arch/sparc64/kernel/pci_sun4v.h +++ b/arch/sparc64/kernel/pci_sun4v.h | |||
@@ -28,4 +28,65 @@ extern int pci_sun4v_config_put(unsigned long devhandle, | |||
28 | unsigned long size, | 28 | unsigned long size, |
29 | unsigned long data); | 29 | unsigned long data); |
30 | 30 | ||
31 | extern unsigned long pci_sun4v_msiq_conf(unsigned long devhandle, | ||
32 | unsigned long msiqid, | ||
33 | unsigned long msiq_paddr, | ||
34 | unsigned long num_entries); | ||
35 | extern unsigned long pci_sun4v_msiq_info(unsigned long devhandle, | ||
36 | unsigned long msiqid, | ||
37 | unsigned long *msiq_paddr, | ||
38 | unsigned long *num_entries); | ||
39 | extern unsigned long pci_sun4v_msiq_getvalid(unsigned long devhandle, | ||
40 | unsigned long msiqid, | ||
41 | unsigned long *valid); | ||
42 | extern unsigned long pci_sun4v_msiq_setvalid(unsigned long devhandle, | ||
43 | unsigned long msiqid, | ||
44 | unsigned long valid); | ||
45 | extern unsigned long pci_sun4v_msiq_getstate(unsigned long devhandle, | ||
46 | unsigned long msiqid, | ||
47 | unsigned long *state); | ||
48 | extern unsigned long pci_sun4v_msiq_setstate(unsigned long devhandle, | ||
49 | unsigned long msiqid, | ||
50 | unsigned long state); | ||
51 | extern unsigned long pci_sun4v_msiq_gethead(unsigned long devhandle, | ||
52 | unsigned long msiqid, | ||
53 | unsigned long *head); | ||
54 | extern unsigned long pci_sun4v_msiq_sethead(unsigned long devhandle, | ||
55 | unsigned long msiqid, | ||
56 | unsigned long head); | ||
57 | extern unsigned long pci_sun4v_msiq_gettail(unsigned long devhandle, | ||
58 | unsigned long msiqid, | ||
59 | unsigned long *head); | ||
60 | extern unsigned long pci_sun4v_msi_getvalid(unsigned long devhandle, | ||
61 | unsigned long msinum, | ||
62 | unsigned long *valid); | ||
63 | extern unsigned long pci_sun4v_msi_setvalid(unsigned long devhandle, | ||
64 | unsigned long msinum, | ||
65 | unsigned long valid); | ||
66 | extern unsigned long pci_sun4v_msi_getmsiq(unsigned long devhandle, | ||
67 | unsigned long msinum, | ||
68 | unsigned long *msiq); | ||
69 | extern unsigned long pci_sun4v_msi_setmsiq(unsigned long devhandle, | ||
70 | unsigned long msinum, | ||
71 | unsigned long msiq, | ||
72 | unsigned long msitype); | ||
73 | extern unsigned long pci_sun4v_msi_getstate(unsigned long devhandle, | ||
74 | unsigned long msinum, | ||
75 | unsigned long *state); | ||
76 | extern unsigned long pci_sun4v_msi_setstate(unsigned long devhandle, | ||
77 | unsigned long msinum, | ||
78 | unsigned long state); | ||
79 | extern unsigned long pci_sun4v_msg_getmsiq(unsigned long devhandle, | ||
80 | unsigned long msinum, | ||
81 | unsigned long *msiq); | ||
82 | extern unsigned long pci_sun4v_msg_setmsiq(unsigned long devhandle, | ||
83 | unsigned long msinum, | ||
84 | unsigned long msiq); | ||
85 | extern unsigned long pci_sun4v_msg_getvalid(unsigned long devhandle, | ||
86 | unsigned long msinum, | ||
87 | unsigned long *valid); | ||
88 | extern unsigned long pci_sun4v_msg_setvalid(unsigned long devhandle, | ||
89 | unsigned long msinum, | ||
90 | unsigned long valid); | ||
91 | |||
31 | #endif /* !(_PCI_SUN4V_H) */ | 92 | #endif /* !(_PCI_SUN4V_H) */ |
diff --git a/arch/sparc64/kernel/pci_sun4v_asm.S b/arch/sparc64/kernel/pci_sun4v_asm.S index 6604fdbf746c..ecb81f389b06 100644 --- a/arch/sparc64/kernel/pci_sun4v_asm.S +++ b/arch/sparc64/kernel/pci_sun4v_asm.S | |||
@@ -93,3 +93,269 @@ pci_sun4v_config_put: | |||
93 | mov -1, %o1 | 93 | mov -1, %o1 |
94 | 1: retl | 94 | 1: retl |
95 | mov %o1, %o0 | 95 | mov %o1, %o0 |
96 | |||
97 | /* %o0: devhandle | ||
98 | * %o1: msiqid | ||
99 | * %o2: msiq phys address | ||
100 | * %o3: num entries | ||
101 | * | ||
102 | * returns %o0: status | ||
103 | * | ||
104 | * status will be zero if the operation completed | ||
105 | * successfully, else -1 if not | ||
106 | */ | ||
107 | .globl pci_sun4v_msiq_conf | ||
108 | pci_sun4v_msiq_conf: | ||
109 | mov HV_FAST_PCI_MSIQ_CONF, %o5 | ||
110 | ta HV_FAST_TRAP | ||
111 | retl | ||
112 | mov %o0, %o0 | ||
113 | |||
114 | /* %o0: devhandle | ||
115 | * %o1: msiqid | ||
116 | * %o2: &msiq_phys_addr | ||
117 | * %o3: &msiq_num_entries | ||
118 | * | ||
119 | * returns %o0: status | ||
120 | */ | ||
121 | .globl pci_sun4v_msiq_info | ||
122 | pci_sun4v_msiq_info: | ||
123 | mov %o2, %o4 | ||
124 | mov HV_FAST_PCI_MSIQ_INFO, %o5 | ||
125 | ta HV_FAST_TRAP | ||
126 | stx %o1, [%o4] | ||
127 | stx %o2, [%o3] | ||
128 | retl | ||
129 | mov %o0, %o0 | ||
130 | |||
131 | /* %o0: devhandle | ||
132 | * %o1: msiqid | ||
133 | * %o2: &valid | ||
134 | * | ||
135 | * returns %o0: status | ||
136 | */ | ||
137 | .globl pci_sun4v_msiq_getvalid | ||
138 | pci_sun4v_msiq_getvalid: | ||
139 | mov HV_FAST_PCI_MSIQ_GETVALID, %o5 | ||
140 | ta HV_FAST_TRAP | ||
141 | stx %o1, [%o2] | ||
142 | retl | ||
143 | mov %o0, %o0 | ||
144 | |||
145 | /* %o0: devhandle | ||
146 | * %o1: msiqid | ||
147 | * %o2: valid | ||
148 | * | ||
149 | * returns %o0: status | ||
150 | */ | ||
151 | .globl pci_sun4v_msiq_setvalid | ||
152 | pci_sun4v_msiq_setvalid: | ||
153 | mov HV_FAST_PCI_MSIQ_SETVALID, %o5 | ||
154 | ta HV_FAST_TRAP | ||
155 | retl | ||
156 | mov %o0, %o0 | ||
157 | |||
158 | /* %o0: devhandle | ||
159 | * %o1: msiqid | ||
160 | * %o2: &state | ||
161 | * | ||
162 | * returns %o0: status | ||
163 | */ | ||
164 | .globl pci_sun4v_msiq_getstate | ||
165 | pci_sun4v_msiq_getstate: | ||
166 | mov HV_FAST_PCI_MSIQ_GETSTATE, %o5 | ||
167 | ta HV_FAST_TRAP | ||
168 | stx %o1, [%o2] | ||
169 | retl | ||
170 | mov %o0, %o0 | ||
171 | |||
172 | /* %o0: devhandle | ||
173 | * %o1: msiqid | ||
174 | * %o2: state | ||
175 | * | ||
176 | * returns %o0: status | ||
177 | */ | ||
178 | .globl pci_sun4v_msiq_setstate | ||
179 | pci_sun4v_msiq_setstate: | ||
180 | mov HV_FAST_PCI_MSIQ_SETSTATE, %o5 | ||
181 | ta HV_FAST_TRAP | ||
182 | retl | ||
183 | mov %o0, %o0 | ||
184 | |||
185 | /* %o0: devhandle | ||
186 | * %o1: msiqid | ||
187 | * %o2: &head | ||
188 | * | ||
189 | * returns %o0: status | ||
190 | */ | ||
191 | .globl pci_sun4v_msiq_gethead | ||
192 | pci_sun4v_msiq_gethead: | ||
193 | mov HV_FAST_PCI_MSIQ_GETHEAD, %o5 | ||
194 | ta HV_FAST_TRAP | ||
195 | stx %o1, [%o2] | ||
196 | retl | ||
197 | mov %o0, %o0 | ||
198 | |||
199 | /* %o0: devhandle | ||
200 | * %o1: msiqid | ||
201 | * %o2: head | ||
202 | * | ||
203 | * returns %o0: status | ||
204 | */ | ||
205 | .globl pci_sun4v_msiq_sethead | ||
206 | pci_sun4v_msiq_sethead: | ||
207 | mov HV_FAST_PCI_MSIQ_SETHEAD, %o5 | ||
208 | ta HV_FAST_TRAP | ||
209 | retl | ||
210 | mov %o0, %o0 | ||
211 | |||
212 | /* %o0: devhandle | ||
213 | * %o1: msiqid | ||
214 | * %o2: &tail | ||
215 | * | ||
216 | * returns %o0: status | ||
217 | */ | ||
218 | .globl pci_sun4v_msiq_gettail | ||
219 | pci_sun4v_msiq_gettail: | ||
220 | mov HV_FAST_PCI_MSIQ_GETTAIL, %o5 | ||
221 | ta HV_FAST_TRAP | ||
222 | stx %o1, [%o2] | ||
223 | retl | ||
224 | mov %o0, %o0 | ||
225 | |||
226 | /* %o0: devhandle | ||
227 | * %o1: msinum | ||
228 | * %o2: &valid | ||
229 | * | ||
230 | * returns %o0: status | ||
231 | */ | ||
232 | .globl pci_sun4v_msi_getvalid | ||
233 | pci_sun4v_msi_getvalid: | ||
234 | mov HV_FAST_PCI_MSI_GETVALID, %o5 | ||
235 | ta HV_FAST_TRAP | ||
236 | stx %o1, [%o2] | ||
237 | retl | ||
238 | mov %o0, %o0 | ||
239 | |||
240 | /* %o0: devhandle | ||
241 | * %o1: msinum | ||
242 | * %o2: valid | ||
243 | * | ||
244 | * returns %o0: status | ||
245 | */ | ||
246 | .globl pci_sun4v_msi_setvalid | ||
247 | pci_sun4v_msi_setvalid: | ||
248 | mov HV_FAST_PCI_MSI_SETVALID, %o5 | ||
249 | ta HV_FAST_TRAP | ||
250 | retl | ||
251 | mov %o0, %o0 | ||
252 | |||
253 | /* %o0: devhandle | ||
254 | * %o1: msinum | ||
255 | * %o2: &msiq | ||
256 | * | ||
257 | * returns %o0: status | ||
258 | */ | ||
259 | .globl pci_sun4v_msi_getmsiq | ||
260 | pci_sun4v_msi_getmsiq: | ||
261 | mov HV_FAST_PCI_MSI_GETMSIQ, %o5 | ||
262 | ta HV_FAST_TRAP | ||
263 | stx %o1, [%o2] | ||
264 | retl | ||
265 | mov %o0, %o0 | ||
266 | |||
267 | /* %o0: devhandle | ||
268 | * %o1: msinum | ||
269 | * %o2: msitype | ||
270 | * %o3: msiq | ||
271 | * | ||
272 | * returns %o0: status | ||
273 | */ | ||
274 | .globl pci_sun4v_msi_setmsiq | ||
275 | pci_sun4v_msi_setmsiq: | ||
276 | mov HV_FAST_PCI_MSI_SETMSIQ, %o5 | ||
277 | ta HV_FAST_TRAP | ||
278 | retl | ||
279 | mov %o0, %o0 | ||
280 | |||
281 | /* %o0: devhandle | ||
282 | * %o1: msinum | ||
283 | * %o2: &state | ||
284 | * | ||
285 | * returns %o0: status | ||
286 | */ | ||
287 | .globl pci_sun4v_msi_getstate | ||
288 | pci_sun4v_msi_getstate: | ||
289 | mov HV_FAST_PCI_MSI_GETSTATE, %o5 | ||
290 | ta HV_FAST_TRAP | ||
291 | stx %o1, [%o2] | ||
292 | retl | ||
293 | mov %o0, %o0 | ||
294 | |||
295 | /* %o0: devhandle | ||
296 | * %o1: msinum | ||
297 | * %o2: state | ||
298 | * | ||
299 | * returns %o0: status | ||
300 | */ | ||
301 | .globl pci_sun4v_msi_setstate | ||
302 | pci_sun4v_msi_setstate: | ||
303 | mov HV_FAST_PCI_MSI_SETSTATE, %o5 | ||
304 | ta HV_FAST_TRAP | ||
305 | retl | ||
306 | mov %o0, %o0 | ||
307 | |||
308 | /* %o0: devhandle | ||
309 | * %o1: msinum | ||
310 | * %o2: &msiq | ||
311 | * | ||
312 | * returns %o0: status | ||
313 | */ | ||
314 | .globl pci_sun4v_msg_getmsiq | ||
315 | pci_sun4v_msg_getmsiq: | ||
316 | mov HV_FAST_PCI_MSG_GETMSIQ, %o5 | ||
317 | ta HV_FAST_TRAP | ||
318 | stx %o1, [%o2] | ||
319 | retl | ||
320 | mov %o0, %o0 | ||
321 | |||
322 | /* %o0: devhandle | ||
323 | * %o1: msinum | ||
324 | * %o2: msiq | ||
325 | * | ||
326 | * returns %o0: status | ||
327 | */ | ||
328 | .globl pci_sun4v_msg_setmsiq | ||
329 | pci_sun4v_msg_setmsiq: | ||
330 | mov HV_FAST_PCI_MSG_SETMSIQ, %o5 | ||
331 | ta HV_FAST_TRAP | ||
332 | retl | ||
333 | mov %o0, %o0 | ||
334 | |||
335 | /* %o0: devhandle | ||
336 | * %o1: msinum | ||
337 | * %o2: &valid | ||
338 | * | ||
339 | * returns %o0: status | ||
340 | */ | ||
341 | .globl pci_sun4v_msg_getvalid | ||
342 | pci_sun4v_msg_getvalid: | ||
343 | mov HV_FAST_PCI_MSG_GETVALID, %o5 | ||
344 | ta HV_FAST_TRAP | ||
345 | stx %o1, [%o2] | ||
346 | retl | ||
347 | mov %o0, %o0 | ||
348 | |||
349 | /* %o0: devhandle | ||
350 | * %o1: msinum | ||
351 | * %o2: valid | ||
352 | * | ||
353 | * returns %o0: status | ||
354 | */ | ||
355 | .globl pci_sun4v_msg_setvalid | ||
356 | pci_sun4v_msg_setvalid: | ||
357 | mov HV_FAST_PCI_MSG_SETVALID, %o5 | ||
358 | ta HV_FAST_TRAP | ||
359 | retl | ||
360 | mov %o0, %o0 | ||
361 | |||
diff --git a/block/ioctl.c b/block/ioctl.c index f6962b64660e..e3f5eb9882cf 100644 --- a/block/ioctl.c +++ b/block/ioctl.c | |||
@@ -61,7 +61,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user | |||
61 | } | 61 | } |
62 | } | 62 | } |
63 | /* all seems OK */ | 63 | /* all seems OK */ |
64 | add_partition(disk, part, start, length); | 64 | add_partition(disk, part, start, length, ADDPART_FLAG_NONE); |
65 | mutex_unlock(&bdev->bd_mutex); | 65 | mutex_unlock(&bdev->bd_mutex); |
66 | return 0; | 66 | return 0; |
67 | case BLKPG_DEL_PARTITION: | 67 | case BLKPG_DEL_PARTITION: |
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 3cfb0a3575e6..5ea5bc70cb82 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig | |||
@@ -4,7 +4,7 @@ | |||
4 | config PCI_MSI | 4 | config PCI_MSI |
5 | bool "Message Signaled Interrupts (MSI and MSI-X)" | 5 | bool "Message Signaled Interrupts (MSI and MSI-X)" |
6 | depends on PCI | 6 | depends on PCI |
7 | depends on (X86_LOCAL_APIC && X86_IO_APIC) || IA64 | 7 | depends on (X86_LOCAL_APIC && X86_IO_APIC) || IA64 || SPARC64 |
8 | help | 8 | help |
9 | This allows device drivers to enable MSI (Message Signaled | 9 | This allows device drivers to enable MSI (Message Signaled |
10 | Interrupts). Message Signaled Interrupts enable a device to | 10 | Interrupts). Message Signaled Interrupts enable a device to |
diff --git a/drivers/sbus/sbus.c b/drivers/sbus/sbus.c index 98fcbb3d5560..6349dd617f85 100644 --- a/drivers/sbus/sbus.c +++ b/drivers/sbus/sbus.c | |||
@@ -7,6 +7,7 @@ | |||
7 | #include <linux/slab.h> | 7 | #include <linux/slab.h> |
8 | #include <linux/init.h> | 8 | #include <linux/init.h> |
9 | #include <linux/pci.h> | 9 | #include <linux/pci.h> |
10 | #include <linux/device.h> | ||
10 | 11 | ||
11 | #include <asm/system.h> | 12 | #include <asm/system.h> |
12 | #include <asm/sbus.h> | 13 | #include <asm/sbus.h> |
@@ -17,13 +18,25 @@ | |||
17 | #include <asm/bpp.h> | 18 | #include <asm/bpp.h> |
18 | #include <asm/irq.h> | 19 | #include <asm/irq.h> |
19 | 20 | ||
21 | static ssize_t | ||
22 | show_sbusobppath_attr(struct device * dev, struct device_attribute * attr, char * buf) | ||
23 | { | ||
24 | struct sbus_dev *sbus; | ||
25 | |||
26 | sbus = to_sbus_device(dev); | ||
27 | |||
28 | return snprintf (buf, PAGE_SIZE, "%s\n", sbus->ofdev.node->full_name); | ||
29 | } | ||
30 | |||
31 | static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_sbusobppath_attr, NULL); | ||
32 | |||
20 | struct sbus_bus *sbus_root; | 33 | struct sbus_bus *sbus_root; |
21 | 34 | ||
22 | static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev) | 35 | static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev) |
23 | { | 36 | { |
24 | unsigned long base; | 37 | unsigned long base; |
25 | void *pval; | 38 | void *pval; |
26 | int len; | 39 | int len, err; |
27 | 40 | ||
28 | sdev->prom_node = dp->node; | 41 | sdev->prom_node = dp->node; |
29 | strcpy(sdev->prom_name, dp->name); | 42 | strcpy(sdev->prom_name, dp->name); |
@@ -66,6 +79,9 @@ static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sde | |||
66 | if (of_device_register(&sdev->ofdev) != 0) | 79 | if (of_device_register(&sdev->ofdev) != 0) |
67 | printk(KERN_DEBUG "sbus: device registration error for %s!\n", | 80 | printk(KERN_DEBUG "sbus: device registration error for %s!\n", |
68 | dp->path_component_name); | 81 | dp->path_component_name); |
82 | |||
83 | /* WE HAVE BEEN INVADED BY ALIENS! */ | ||
84 | err = sysfs_create_file(&sdev->ofdev.dev.kobj, &dev_attr_obppath.attr); | ||
69 | } | 85 | } |
70 | 86 | ||
71 | static void __init sbus_bus_ranges_init(struct device_node *dp, struct sbus_bus *sbus) | 87 | static void __init sbus_bus_ranges_init(struct device_node *dp, struct sbus_bus *sbus) |
diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 3d73d94d93a7..ac32a2e8540c 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c | |||
@@ -365,7 +365,7 @@ void delete_partition(struct gendisk *disk, int part) | |||
365 | kobject_put(&p->kobj); | 365 | kobject_put(&p->kobj); |
366 | } | 366 | } |
367 | 367 | ||
368 | void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len) | 368 | void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len, int flags) |
369 | { | 369 | { |
370 | struct hd_struct *p; | 370 | struct hd_struct *p; |
371 | 371 | ||
@@ -390,6 +390,15 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len) | |||
390 | if (!disk->part_uevent_suppress) | 390 | if (!disk->part_uevent_suppress) |
391 | kobject_uevent(&p->kobj, KOBJ_ADD); | 391 | kobject_uevent(&p->kobj, KOBJ_ADD); |
392 | sysfs_create_link(&p->kobj, &block_subsys.kset.kobj, "subsystem"); | 392 | sysfs_create_link(&p->kobj, &block_subsys.kset.kobj, "subsystem"); |
393 | if (flags & ADDPART_FLAG_WHOLEDISK) { | ||
394 | static struct attribute addpartattr = { | ||
395 | .name = "whole_disk", | ||
396 | .mode = S_IRUSR | S_IRGRP | S_IROTH, | ||
397 | .owner = THIS_MODULE, | ||
398 | }; | ||
399 | |||
400 | sysfs_create_file(&p->kobj, &addpartattr); | ||
401 | } | ||
393 | partition_sysfs_add_subdir(p); | 402 | partition_sysfs_add_subdir(p); |
394 | disk->part[part-1] = p; | 403 | disk->part[part-1] = p; |
395 | } | 404 | } |
@@ -543,9 +552,9 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) | |||
543 | printk(" %s: p%d exceeds device capacity\n", | 552 | printk(" %s: p%d exceeds device capacity\n", |
544 | disk->disk_name, p); | 553 | disk->disk_name, p); |
545 | } | 554 | } |
546 | add_partition(disk, p, from, size); | 555 | add_partition(disk, p, from, size, state->parts[p].flags); |
547 | #ifdef CONFIG_BLK_DEV_MD | 556 | #ifdef CONFIG_BLK_DEV_MD |
548 | if (state->parts[p].flags) | 557 | if (state->parts[p].flags & ADDPART_FLAG_RAID) |
549 | md_autodetect_dev(bdev->bd_dev+p); | 558 | md_autodetect_dev(bdev->bd_dev+p); |
550 | #endif | 559 | #endif |
551 | } | 560 | } |
diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c index 78443e07b3c4..4ccec4cd1367 100644 --- a/fs/partitions/msdos.c +++ b/fs/partitions/msdos.c | |||
@@ -165,7 +165,7 @@ parse_extended(struct parsed_partitions *state, struct block_device *bdev, | |||
165 | 165 | ||
166 | put_partition(state, state->next, next, size); | 166 | put_partition(state, state->next, next, size); |
167 | if (SYS_IND(p) == LINUX_RAID_PARTITION) | 167 | if (SYS_IND(p) == LINUX_RAID_PARTITION) |
168 | state->parts[state->next].flags = 1; | 168 | state->parts[state->next].flags = ADDPART_FLAG_RAID; |
169 | loopct = 0; | 169 | loopct = 0; |
170 | if (++state->next == state->limit) | 170 | if (++state->next == state->limit) |
171 | goto done; | 171 | goto done; |
diff --git a/fs/partitions/sgi.c b/fs/partitions/sgi.c index 6fa4ff895104..ed5ac83fe83a 100644 --- a/fs/partitions/sgi.c +++ b/fs/partitions/sgi.c | |||
@@ -72,7 +72,7 @@ int sgi_partition(struct parsed_partitions *state, struct block_device *bdev) | |||
72 | if (blocks) { | 72 | if (blocks) { |
73 | put_partition(state, slot, start, blocks); | 73 | put_partition(state, slot, start, blocks); |
74 | if (be32_to_cpu(p->type) == LINUX_RAID_PARTITION) | 74 | if (be32_to_cpu(p->type) == LINUX_RAID_PARTITION) |
75 | state->parts[slot].flags = 1; | 75 | state->parts[slot].flags = ADDPART_FLAG_RAID; |
76 | } | 76 | } |
77 | slot++; | 77 | slot++; |
78 | } | 78 | } |
diff --git a/fs/partitions/sun.c b/fs/partitions/sun.c index 0a5927c806ca..123f8b46c8ba 100644 --- a/fs/partitions/sun.c +++ b/fs/partitions/sun.c | |||
@@ -80,8 +80,11 @@ int sun_partition(struct parsed_partitions *state, struct block_device *bdev) | |||
80 | num_sectors = be32_to_cpu(p->num_sectors); | 80 | num_sectors = be32_to_cpu(p->num_sectors); |
81 | if (num_sectors) { | 81 | if (num_sectors) { |
82 | put_partition(state, slot, st_sector, num_sectors); | 82 | put_partition(state, slot, st_sector, num_sectors); |
83 | state->parts[slot].flags = 0; | ||
83 | if (label->infos[i].id == LINUX_RAID_PARTITION) | 84 | if (label->infos[i].id == LINUX_RAID_PARTITION) |
84 | state->parts[slot].flags = 1; | 85 | state->parts[slot].flags |= ADDPART_FLAG_RAID; |
86 | if (label->infos[i].id == SUN_WHOLE_DISK) | ||
87 | state->parts[slot].flags |= ADDPART_FLAG_WHOLEDISK; | ||
85 | } | 88 | } |
86 | slot++; | 89 | slot++; |
87 | } | 90 | } |
diff --git a/include/asm-sparc64/irq.h b/include/asm-sparc64/irq.h index 905e59b4a737..5d233b42fe13 100644 --- a/include/asm-sparc64/irq.h +++ b/include/asm-sparc64/irq.h | |||
@@ -46,6 +46,10 @@ extern void irq_install_pre_handler(int virt_irq, | |||
46 | #define irq_canonicalize(irq) (irq) | 46 | #define irq_canonicalize(irq) (irq) |
47 | extern unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap); | 47 | extern unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap); |
48 | extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino); | 48 | extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino); |
49 | extern unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p, | ||
50 | unsigned int msi_devino_start, | ||
51 | unsigned int msi_devino_end); | ||
52 | extern void sun4v_destroy_msi(unsigned int virt_irq); | ||
49 | extern unsigned int sbus_build_irq(void *sbus, unsigned int ino); | 53 | extern unsigned int sbus_build_irq(void *sbus, unsigned int ino); |
50 | 54 | ||
51 | static __inline__ void set_softint(unsigned long bits) | 55 | static __inline__ void set_softint(unsigned long bits) |
diff --git a/include/asm-sparc64/pbm.h b/include/asm-sparc64/pbm.h index dcfa7629358c..7a246d8a1828 100644 --- a/include/asm-sparc64/pbm.h +++ b/include/asm-sparc64/pbm.h | |||
@@ -11,6 +11,7 @@ | |||
11 | #include <linux/pci.h> | 11 | #include <linux/pci.h> |
12 | #include <linux/ioport.h> | 12 | #include <linux/ioport.h> |
13 | #include <linux/spinlock.h> | 13 | #include <linux/spinlock.h> |
14 | #include <linux/msi.h> | ||
14 | 15 | ||
15 | #include <asm/io.h> | 16 | #include <asm/io.h> |
16 | #include <asm/page.h> | 17 | #include <asm/page.h> |
@@ -177,6 +178,24 @@ struct pci_pbm_info { | |||
177 | int is_66mhz_capable; | 178 | int is_66mhz_capable; |
178 | int all_devs_66mhz; | 179 | int all_devs_66mhz; |
179 | 180 | ||
181 | #ifdef CONFIG_PCI_MSI | ||
182 | /* MSI info. */ | ||
183 | u32 msiq_num; | ||
184 | u32 msiq_ent_count; | ||
185 | u32 msiq_first; | ||
186 | u32 msiq_first_devino; | ||
187 | u32 msi_num; | ||
188 | u32 msi_first; | ||
189 | u32 msi_data_mask; | ||
190 | u32 msix_data_width; | ||
191 | u64 msi32_start; | ||
192 | u64 msi64_start; | ||
193 | u32 msi32_len; | ||
194 | u32 msi64_len; | ||
195 | void *msi_queues; | ||
196 | unsigned long *msi_bitmap; | ||
197 | #endif /* !(CONFIG_PCI_MSI) */ | ||
198 | |||
180 | /* This PBM's streaming buffer. */ | 199 | /* This PBM's streaming buffer. */ |
181 | struct pci_strbuf stc; | 200 | struct pci_strbuf stc; |
182 | 201 | ||
@@ -213,6 +232,12 @@ struct pci_controller_info { | |||
213 | void (*base_address_update)(struct pci_dev *, int); | 232 | void (*base_address_update)(struct pci_dev *, int); |
214 | void (*resource_adjust)(struct pci_dev *, struct resource *, struct resource *); | 233 | void (*resource_adjust)(struct pci_dev *, struct resource *, struct resource *); |
215 | 234 | ||
235 | #ifdef CONFIG_PCI_MSI | ||
236 | int (*setup_msi_irq)(unsigned int *virt_irq_p, struct pci_dev *pdev, | ||
237 | struct msi_desc *entry); | ||
238 | void (*teardown_msi_irq)(unsigned int virt_irq, struct pci_dev *pdev); | ||
239 | #endif | ||
240 | |||
216 | /* Now things for the actual PCI bus probes. */ | 241 | /* Now things for the actual PCI bus probes. */ |
217 | struct pci_ops *pci_ops; | 242 | struct pci_ops *pci_ops; |
218 | unsigned int pci_first_busno; | 243 | unsigned int pci_first_busno; |
@@ -231,6 +256,9 @@ struct pcidev_cookie { | |||
231 | int num_prom_regs; | 256 | int num_prom_regs; |
232 | struct linux_prom_pci_registers prom_assignments[PROMREG_MAX]; | 257 | struct linux_prom_pci_registers prom_assignments[PROMREG_MAX]; |
233 | int num_prom_assignments; | 258 | int num_prom_assignments; |
259 | #ifdef CONFIG_PCI_MSI | ||
260 | unsigned int msi_num; | ||
261 | #endif | ||
234 | }; | 262 | }; |
235 | 263 | ||
236 | /* Currently these are the same across all PCI controllers | 264 | /* Currently these are the same across all PCI controllers |
diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 7a566fad3f72..2c65da7cabb2 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h | |||
@@ -20,6 +20,8 @@ enum { | |||
20 | LINUX_EXTENDED_PARTITION = 0x85, | 20 | LINUX_EXTENDED_PARTITION = 0x85, |
21 | WIN98_EXTENDED_PARTITION = 0x0f, | 21 | WIN98_EXTENDED_PARTITION = 0x0f, |
22 | 22 | ||
23 | SUN_WHOLE_DISK = DOS_EXTENDED_PARTITION, | ||
24 | |||
23 | LINUX_SWAP_PARTITION = 0x82, | 25 | LINUX_SWAP_PARTITION = 0x82, |
24 | LINUX_DATA_PARTITION = 0x83, | 26 | LINUX_DATA_PARTITION = 0x83, |
25 | LINUX_LVM_PARTITION = 0x8e, | 27 | LINUX_LVM_PARTITION = 0x8e, |
@@ -402,10 +404,14 @@ struct unixware_disklabel { | |||
402 | 404 | ||
403 | #ifdef __KERNEL__ | 405 | #ifdef __KERNEL__ |
404 | 406 | ||
407 | #define ADDPART_FLAG_NONE 0 | ||
408 | #define ADDPART_FLAG_RAID 1 | ||
409 | #define ADDPART_FLAG_WHOLEDISK 2 | ||
410 | |||
405 | char *disk_name (struct gendisk *hd, int part, char *buf); | 411 | char *disk_name (struct gendisk *hd, int part, char *buf); |
406 | 412 | ||
407 | extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev); | 413 | extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev); |
408 | extern void add_partition(struct gendisk *, int, sector_t, sector_t); | 414 | extern void add_partition(struct gendisk *, int, sector_t, sector_t, int); |
409 | extern void delete_partition(struct gendisk *, int); | 415 | extern void delete_partition(struct gendisk *, int); |
410 | 416 | ||
411 | extern struct gendisk *alloc_disk_node(int minors, int node_id); | 417 | extern struct gendisk *alloc_disk_node(int minors, int node_id); |