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path: root/drivers/block/cciss.c
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-rw-r--r--drivers/block/cciss.c3115
1 files changed, 1581 insertions, 1534 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 44cf001db271..d5c126d7d427 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -34,7 +34,7 @@
34#include <linux/blkpg.h> 34#include <linux/blkpg.h>
35#include <linux/timer.h> 35#include <linux/timer.h>
36#include <linux/proc_fs.h> 36#include <linux/proc_fs.h>
37#include <linux/init.h> 37#include <linux/init.h>
38#include <linux/hdreg.h> 38#include <linux/hdreg.h>
39#include <linux/spinlock.h> 39#include <linux/spinlock.h>
40#include <linux/compat.h> 40#include <linux/compat.h>
@@ -64,141 +64,147 @@ MODULE_LICENSE("GPL");
64 64
65/* define the PCI info for the cards we can control */ 65/* define the PCI info for the cards we can control */
66static const struct pci_device_id cciss_pci_device_id[] = { 66static const struct pci_device_id cciss_pci_device_id[] = {
67 { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISS, 67 {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISS,
68 0x0E11, 0x4070, 0, 0, 0}, 68 0x0E11, 0x4070, 0, 0, 0},
69 { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB, 69 {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
70 0x0E11, 0x4080, 0, 0, 0}, 70 0x0E11, 0x4080, 0, 0, 0},
71 { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB, 71 {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
72 0x0E11, 0x4082, 0, 0, 0}, 72 0x0E11, 0x4082, 0, 0, 0},
73 { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB, 73 {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSB,
74 0x0E11, 0x4083, 0, 0, 0}, 74 0x0E11, 0x4083, 0, 0, 0},
75 { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 75 {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
76 0x0E11, 0x409A, 0, 0, 0}, 76 0x0E11, 0x409A, 0, 0, 0},
77 { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 77 {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
78 0x0E11, 0x409B, 0, 0, 0}, 78 0x0E11, 0x409B, 0, 0, 0},
79 { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 79 {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
80 0x0E11, 0x409C, 0, 0, 0}, 80 0x0E11, 0x409C, 0, 0, 0},
81 { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 81 {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
82 0x0E11, 0x409D, 0, 0, 0}, 82 0x0E11, 0x409D, 0, 0, 0},
83 { PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC, 83 {PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_CISSC,
84 0x0E11, 0x4091, 0, 0, 0}, 84 0x0E11, 0x4091, 0, 0, 0},
85 { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSA, 85 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSA,
86 0x103C, 0x3225, 0, 0, 0}, 86 0x103C, 0x3225, 0, 0, 0},
87 { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 87 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC,
88 0x103c, 0x3223, 0, 0, 0}, 88 0x103c, 0x3223, 0, 0, 0},
89 { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 89 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC,
90 0x103c, 0x3234, 0, 0, 0}, 90 0x103c, 0x3234, 0, 0, 0},
91 { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC, 91 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSC,
92 0x103c, 0x3235, 0, 0, 0}, 92 0x103c, 0x3235, 0, 0, 0},
93 { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 93 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
94 0x103c, 0x3211, 0, 0, 0}, 94 0x103c, 0x3211, 0, 0, 0},
95 { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 95 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
96 0x103c, 0x3212, 0, 0, 0}, 96 0x103c, 0x3212, 0, 0, 0},
97 { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 97 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
98 0x103c, 0x3213, 0, 0, 0}, 98 0x103c, 0x3213, 0, 0, 0},
99 { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 99 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
100 0x103c, 0x3214, 0, 0, 0}, 100 0x103c, 0x3214, 0, 0, 0},
101 { PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD, 101 {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSD,
102 0x103c, 0x3215, 0, 0, 0}, 102 0x103c, 0x3215, 0, 0, 0},
103 {0,} 103 {0,}
104}; 104};
105
105MODULE_DEVICE_TABLE(pci, cciss_pci_device_id); 106MODULE_DEVICE_TABLE(pci, cciss_pci_device_id);
106 107
107/* board_id = Subsystem Device ID & Vendor ID 108/* board_id = Subsystem Device ID & Vendor ID
108 * product = Marketing Name for the board 109 * product = Marketing Name for the board
109 * access = Address of the struct of function pointers 110 * access = Address of the struct of function pointers
110 */ 111 */
111static struct board_type products[] = { 112static struct board_type products[] = {
112 { 0x40700E11, "Smart Array 5300", &SA5_access }, 113 {0x40700E11, "Smart Array 5300", &SA5_access},
113 { 0x40800E11, "Smart Array 5i", &SA5B_access}, 114 {0x40800E11, "Smart Array 5i", &SA5B_access},
114 { 0x40820E11, "Smart Array 532", &SA5B_access}, 115 {0x40820E11, "Smart Array 532", &SA5B_access},
115 { 0x40830E11, "Smart Array 5312", &SA5B_access}, 116 {0x40830E11, "Smart Array 5312", &SA5B_access},
116 { 0x409A0E11, "Smart Array 641", &SA5_access}, 117 {0x409A0E11, "Smart Array 641", &SA5_access},
117 { 0x409B0E11, "Smart Array 642", &SA5_access}, 118 {0x409B0E11, "Smart Array 642", &SA5_access},
118 { 0x409C0E11, "Smart Array 6400", &SA5_access}, 119 {0x409C0E11, "Smart Array 6400", &SA5_access},
119 { 0x409D0E11, "Smart Array 6400 EM", &SA5_access}, 120 {0x409D0E11, "Smart Array 6400 EM", &SA5_access},
120 { 0x40910E11, "Smart Array 6i", &SA5_access}, 121 {0x40910E11, "Smart Array 6i", &SA5_access},
121 { 0x3225103C, "Smart Array P600", &SA5_access}, 122 {0x3225103C, "Smart Array P600", &SA5_access},
122 { 0x3223103C, "Smart Array P800", &SA5_access}, 123 {0x3223103C, "Smart Array P800", &SA5_access},
123 { 0x3234103C, "Smart Array P400", &SA5_access}, 124 {0x3234103C, "Smart Array P400", &SA5_access},
124 { 0x3235103C, "Smart Array P400i", &SA5_access}, 125 {0x3235103C, "Smart Array P400i", &SA5_access},
125 { 0x3211103C, "Smart Array E200i", &SA5_access}, 126 {0x3211103C, "Smart Array E200i", &SA5_access},
126 { 0x3212103C, "Smart Array E200", &SA5_access}, 127 {0x3212103C, "Smart Array E200", &SA5_access},
127 { 0x3213103C, "Smart Array E200i", &SA5_access}, 128 {0x3213103C, "Smart Array E200i", &SA5_access},
128 { 0x3214103C, "Smart Array E200i", &SA5_access}, 129 {0x3214103C, "Smart Array E200i", &SA5_access},
129 { 0x3215103C, "Smart Array E200i", &SA5_access}, 130 {0x3215103C, "Smart Array E200i", &SA5_access},
130}; 131};
131 132
132/* How long to wait (in milliseconds) for board to go into simple mode */ 133/* How long to wait (in milliseconds) for board to go into simple mode */
133#define MAX_CONFIG_WAIT 30000 134#define MAX_CONFIG_WAIT 30000
134#define MAX_IOCTL_CONFIG_WAIT 1000 135#define MAX_IOCTL_CONFIG_WAIT 1000
135 136
136/*define how many times we will try a command because of bus resets */ 137/*define how many times we will try a command because of bus resets */
137#define MAX_CMD_RETRIES 3 138#define MAX_CMD_RETRIES 3
138 139
139#define READ_AHEAD 1024 140#define READ_AHEAD 1024
140#define NR_CMDS 384 /* #commands that can be outstanding */ 141#define NR_CMDS 384 /* #commands that can be outstanding */
141#define MAX_CTLR 32 142#define MAX_CTLR 32
142 143
143/* Originally cciss driver only supports 8 major numbers */ 144/* Originally cciss driver only supports 8 major numbers */
144#define MAX_CTLR_ORIG 8 145#define MAX_CTLR_ORIG 8
145 146
146
147static ctlr_info_t *hba[MAX_CTLR]; 147static ctlr_info_t *hba[MAX_CTLR];
148 148
149static void do_cciss_request(request_queue_t *q); 149static void do_cciss_request(request_queue_t *q);
150static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs); 150static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs);
151static int cciss_open(struct inode *inode, struct file *filep); 151static int cciss_open(struct inode *inode, struct file *filep);
152static int cciss_release(struct inode *inode, struct file *filep); 152static int cciss_release(struct inode *inode, struct file *filep);
153static int cciss_ioctl(struct inode *inode, struct file *filep, 153static int cciss_ioctl(struct inode *inode, struct file *filep,
154 unsigned int cmd, unsigned long arg); 154 unsigned int cmd, unsigned long arg);
155static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo); 155static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
156 156
157static int revalidate_allvol(ctlr_info_t *host); 157static int revalidate_allvol(ctlr_info_t *host);
158static int cciss_revalidate(struct gendisk *disk); 158static int cciss_revalidate(struct gendisk *disk);
159static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk); 159static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk);
160static int deregister_disk(struct gendisk *disk, drive_info_struct *drv, int clear_all); 160static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
161 int clear_all);
161 162
162static void cciss_read_capacity(int ctlr, int logvol, ReadCapdata_struct *buf, 163static void cciss_read_capacity(int ctlr, int logvol, ReadCapdata_struct *buf,
163 int withirq, unsigned int *total_size, unsigned int *block_size); 164 int withirq, unsigned int *total_size,
164static void cciss_geometry_inquiry(int ctlr, int logvol, 165 unsigned int *block_size);
165 int withirq, unsigned int total_size, 166static void cciss_geometry_inquiry(int ctlr, int logvol, int withirq,
166 unsigned int block_size, InquiryData_struct *inq_buff, 167 unsigned int total_size,
167 drive_info_struct *drv); 168 unsigned int block_size,
169 InquiryData_struct *inq_buff,
170 drive_info_struct *drv);
168static void cciss_getgeometry(int cntl_num); 171static void cciss_getgeometry(int cntl_num);
169static void __devinit cciss_interrupt_mode(ctlr_info_t *, struct pci_dev *, __u32); 172static void __devinit cciss_interrupt_mode(ctlr_info_t *, struct pci_dev *,
170static void start_io( ctlr_info_t *h); 173 __u32);
171static int sendcmd( __u8 cmd, int ctlr, void *buff, size_t size, 174static void start_io(ctlr_info_t *h);
172 unsigned int use_unit_num, unsigned int log_unit, __u8 page_code, 175static int sendcmd(__u8 cmd, int ctlr, void *buff, size_t size,
173 unsigned char *scsi3addr, int cmd_type); 176 unsigned int use_unit_num, unsigned int log_unit,
174static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size, 177 __u8 page_code, unsigned char *scsi3addr, int cmd_type);
175 unsigned int use_unit_num, unsigned int log_unit, __u8 page_code, 178static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size,
176 int cmd_type); 179 unsigned int use_unit_num, unsigned int log_unit,
180 __u8 page_code, int cmd_type);
177 181
178static void fail_all_cmds(unsigned long ctlr); 182static void fail_all_cmds(unsigned long ctlr);
179 183
180#ifdef CONFIG_PROC_FS 184#ifdef CONFIG_PROC_FS
181static int cciss_proc_get_info(char *buffer, char **start, off_t offset, 185static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
182 int length, int *eof, void *data); 186 int length, int *eof, void *data);
183static void cciss_procinit(int i); 187static void cciss_procinit(int i);
184#else 188#else
185static void cciss_procinit(int i) {} 189static void cciss_procinit(int i)
186#endif /* CONFIG_PROC_FS */ 190{
191}
192#endif /* CONFIG_PROC_FS */
187 193
188#ifdef CONFIG_COMPAT 194#ifdef CONFIG_COMPAT
189static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg); 195static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg);
190#endif 196#endif
191 197
192static struct block_device_operations cciss_fops = { 198static struct block_device_operations cciss_fops = {
193 .owner = THIS_MODULE, 199 .owner = THIS_MODULE,
194 .open = cciss_open, 200 .open = cciss_open,
195 .release = cciss_release, 201 .release = cciss_release,
196 .ioctl = cciss_ioctl, 202 .ioctl = cciss_ioctl,
197 .getgeo = cciss_getgeo, 203 .getgeo = cciss_getgeo,
198#ifdef CONFIG_COMPAT 204#ifdef CONFIG_COMPAT
199 .compat_ioctl = cciss_compat_ioctl, 205 .compat_ioctl = cciss_compat_ioctl,
200#endif 206#endif
201 .revalidate_disk= cciss_revalidate, 207 .revalidate_disk = cciss_revalidate,
202}; 208};
203 209
204/* 210/*
@@ -206,28 +212,29 @@ static struct block_device_operations cciss_fops = {
206 */ 212 */
207static inline void addQ(CommandList_struct **Qptr, CommandList_struct *c) 213static inline void addQ(CommandList_struct **Qptr, CommandList_struct *c)
208{ 214{
209 if (*Qptr == NULL) { 215 if (*Qptr == NULL) {
210 *Qptr = c; 216 *Qptr = c;
211 c->next = c->prev = c; 217 c->next = c->prev = c;
212 } else { 218 } else {
213 c->prev = (*Qptr)->prev; 219 c->prev = (*Qptr)->prev;
214 c->next = (*Qptr); 220 c->next = (*Qptr);
215 (*Qptr)->prev->next = c; 221 (*Qptr)->prev->next = c;
216 (*Qptr)->prev = c; 222 (*Qptr)->prev = c;
217 } 223 }
218} 224}
219 225
220static inline CommandList_struct *removeQ(CommandList_struct **Qptr, 226static inline CommandList_struct *removeQ(CommandList_struct **Qptr,
221 CommandList_struct *c) 227 CommandList_struct *c)
222{ 228{
223 if (c && c->next != c) { 229 if (c && c->next != c) {
224 if (*Qptr == c) *Qptr = c->next; 230 if (*Qptr == c)
225 c->prev->next = c->next; 231 *Qptr = c->next;
226 c->next->prev = c->prev; 232 c->prev->next = c->next;
227 } else { 233 c->next->prev = c->prev;
228 *Qptr = NULL; 234 } else {
229 } 235 *Qptr = NULL;
230 return c; 236 }
237 return c;
231} 238}
232 239
233#include "cciss_scsi.c" /* For SCSI tape support */ 240#include "cciss_scsi.c" /* For SCSI tape support */
@@ -240,23 +247,24 @@ static inline CommandList_struct *removeQ(CommandList_struct **Qptr,
240#define ENG_GIG 1000000000 247#define ENG_GIG 1000000000
241#define ENG_GIG_FACTOR (ENG_GIG/512) 248#define ENG_GIG_FACTOR (ENG_GIG/512)
242#define RAID_UNKNOWN 6 249#define RAID_UNKNOWN 6
243static const char *raid_label[] = {"0","4","1(1+0)","5","5+1","ADG", 250static const char *raid_label[] = { "0", "4", "1(1+0)", "5", "5+1", "ADG",
244 "UNKNOWN"}; 251 "UNKNOWN"
252};
245 253
246static struct proc_dir_entry *proc_cciss; 254static struct proc_dir_entry *proc_cciss;
247 255
248static int cciss_proc_get_info(char *buffer, char **start, off_t offset, 256static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
249 int length, int *eof, void *data) 257 int length, int *eof, void *data)
250{ 258{
251 off_t pos = 0; 259 off_t pos = 0;
252 off_t len = 0; 260 off_t len = 0;
253 int size, i, ctlr; 261 int size, i, ctlr;
254 ctlr_info_t *h = (ctlr_info_t*)data; 262 ctlr_info_t *h = (ctlr_info_t *) data;
255 drive_info_struct *drv; 263 drive_info_struct *drv;
256 unsigned long flags; 264 unsigned long flags;
257 sector_t vol_sz, vol_sz_frac; 265 sector_t vol_sz, vol_sz_frac;
258 266
259 ctlr = h->ctlr; 267 ctlr = h->ctlr;
260 268
261 /* prevent displaying bogus info during configuration 269 /* prevent displaying bogus info during configuration
262 * or deconfiguration of a logical volume 270 * or deconfiguration of a logical volume
@@ -264,35 +272,35 @@ static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
264 spin_lock_irqsave(CCISS_LOCK(ctlr), flags); 272 spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
265 if (h->busy_configuring) { 273 if (h->busy_configuring) {
266 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); 274 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
267 return -EBUSY; 275 return -EBUSY;
268 } 276 }
269 h->busy_configuring = 1; 277 h->busy_configuring = 1;
270 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); 278 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
271 279
272 size = sprintf(buffer, "%s: HP %s Controller\n" 280 size = sprintf(buffer, "%s: HP %s Controller\n"
273 "Board ID: 0x%08lx\n" 281 "Board ID: 0x%08lx\n"
274 "Firmware Version: %c%c%c%c\n" 282 "Firmware Version: %c%c%c%c\n"
275 "IRQ: %d\n" 283 "IRQ: %d\n"
276 "Logical drives: %d\n" 284 "Logical drives: %d\n"
277 "Current Q depth: %d\n" 285 "Current Q depth: %d\n"
278 "Current # commands on controller: %d\n" 286 "Current # commands on controller: %d\n"
279 "Max Q depth since init: %d\n" 287 "Max Q depth since init: %d\n"
280 "Max # commands on controller since init: %d\n" 288 "Max # commands on controller since init: %d\n"
281 "Max SG entries since init: %d\n\n", 289 "Max SG entries since init: %d\n\n",
282 h->devname, 290 h->devname,
283 h->product_name, 291 h->product_name,
284 (unsigned long)h->board_id, 292 (unsigned long)h->board_id,
285 h->firm_ver[0], h->firm_ver[1], h->firm_ver[2], h->firm_ver[3], 293 h->firm_ver[0], h->firm_ver[1], h->firm_ver[2],
286 (unsigned int)h->intr[SIMPLE_MODE_INT], 294 h->firm_ver[3], (unsigned int)h->intr[SIMPLE_MODE_INT],
287 h->num_luns, 295 h->num_luns, h->Qdepth, h->commands_outstanding,
288 h->Qdepth, h->commands_outstanding, 296 h->maxQsinceinit, h->max_outstanding, h->maxSG);
289 h->maxQsinceinit, h->max_outstanding, h->maxSG); 297
290 298 pos += size;
291 pos += size; len += size; 299 len += size;
292 cciss_proc_tape_report(ctlr, buffer, &pos, &len); 300 cciss_proc_tape_report(ctlr, buffer, &pos, &len);
293 for(i=0; i<=h->highest_lun; i++) { 301 for (i = 0; i <= h->highest_lun; i++) {
294 302
295 drv = &h->drv[i]; 303 drv = &h->drv[i];
296 if (drv->heads == 0) 304 if (drv->heads == 0)
297 continue; 305 continue;
298 306
@@ -303,25 +311,26 @@ static int cciss_proc_get_info(char *buffer, char **start, off_t offset,
303 311
304 if (drv->raid_level > 5) 312 if (drv->raid_level > 5)
305 drv->raid_level = RAID_UNKNOWN; 313 drv->raid_level = RAID_UNKNOWN;
306 size = sprintf(buffer+len, "cciss/c%dd%d:" 314 size = sprintf(buffer + len, "cciss/c%dd%d:"
307 "\t%4u.%02uGB\tRAID %s\n", 315 "\t%4u.%02uGB\tRAID %s\n",
308 ctlr, i, (int)vol_sz, (int)vol_sz_frac, 316 ctlr, i, (int)vol_sz, (int)vol_sz_frac,
309 raid_label[drv->raid_level]); 317 raid_label[drv->raid_level]);
310 pos += size; len += size; 318 pos += size;
311 } 319 len += size;
312 320 }
313 *eof = 1; 321
314 *start = buffer+offset; 322 *eof = 1;
315 len -= offset; 323 *start = buffer + offset;
316 if (len>length) 324 len -= offset;
317 len = length; 325 if (len > length)
326 len = length;
318 h->busy_configuring = 0; 327 h->busy_configuring = 0;
319 return len; 328 return len;
320} 329}
321 330
322static int 331static int
323cciss_proc_write(struct file *file, const char __user *buffer, 332cciss_proc_write(struct file *file, const char __user *buffer,
324 unsigned long count, void *data) 333 unsigned long count, void *data)
325{ 334{
326 unsigned char cmd[80]; 335 unsigned char cmd[80];
327 int len; 336 int len;
@@ -330,20 +339,23 @@ cciss_proc_write(struct file *file, const char __user *buffer,
330 int rc; 339 int rc;
331#endif 340#endif
332 341
333 if (count > sizeof(cmd)-1) return -EINVAL; 342 if (count > sizeof(cmd) - 1)
334 if (copy_from_user(cmd, buffer, count)) return -EFAULT; 343 return -EINVAL;
344 if (copy_from_user(cmd, buffer, count))
345 return -EFAULT;
335 cmd[count] = '\0'; 346 cmd[count] = '\0';
336 len = strlen(cmd); // above 3 lines ensure safety 347 len = strlen(cmd); // above 3 lines ensure safety
337 if (len && cmd[len-1] == '\n') 348 if (len && cmd[len - 1] == '\n')
338 cmd[--len] = '\0'; 349 cmd[--len] = '\0';
339# ifdef CONFIG_CISS_SCSI_TAPE 350# ifdef CONFIG_CISS_SCSI_TAPE
340 if (strcmp("engage scsi", cmd)==0) { 351 if (strcmp("engage scsi", cmd) == 0) {
341 rc = cciss_engage_scsi(h->ctlr); 352 rc = cciss_engage_scsi(h->ctlr);
342 if (rc != 0) return -rc; 353 if (rc != 0)
343 return count; 354 return -rc;
344 } 355 return count;
345 /* might be nice to have "disengage" too, but it's not 356 }
346 safely possible. (only 1 module use count, lock issues.) */ 357 /* might be nice to have "disengage" too, but it's not
358 safely possible. (only 1 module use count, lock issues.) */
347# endif 359# endif
348 return -EINVAL; 360 return -EINVAL;
349} 361}
@@ -356,116 +368,113 @@ static void __devinit cciss_procinit(int i)
356{ 368{
357 struct proc_dir_entry *pde; 369 struct proc_dir_entry *pde;
358 370
359 if (proc_cciss == NULL) { 371 if (proc_cciss == NULL) {
360 proc_cciss = proc_mkdir("cciss", proc_root_driver); 372 proc_cciss = proc_mkdir("cciss", proc_root_driver);
361 if (!proc_cciss) 373 if (!proc_cciss)
362 return; 374 return;
363 } 375 }
364 376
365 pde = create_proc_read_entry(hba[i]->devname, 377 pde = create_proc_read_entry(hba[i]->devname,
366 S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH, 378 S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH,
367 proc_cciss, cciss_proc_get_info, hba[i]); 379 proc_cciss, cciss_proc_get_info, hba[i]);
368 pde->write_proc = cciss_proc_write; 380 pde->write_proc = cciss_proc_write;
369} 381}
370#endif /* CONFIG_PROC_FS */ 382#endif /* CONFIG_PROC_FS */
371 383
372/* 384/*
373 * For operations that cannot sleep, a command block is allocated at init, 385 * For operations that cannot sleep, a command block is allocated at init,
374 * and managed by cmd_alloc() and cmd_free() using a simple bitmap to track 386 * and managed by cmd_alloc() and cmd_free() using a simple bitmap to track
375 * which ones are free or in use. For operations that can wait for kmalloc 387 * which ones are free or in use. For operations that can wait for kmalloc
376 * to possible sleep, this routine can be called with get_from_pool set to 0. 388 * to possible sleep, this routine can be called with get_from_pool set to 0.
377 * cmd_free() MUST be called with a got_from_pool set to 0 if cmd_alloc was. 389 * cmd_free() MUST be called with a got_from_pool set to 0 if cmd_alloc was.
378 */ 390 */
379static CommandList_struct * cmd_alloc(ctlr_info_t *h, int get_from_pool) 391static CommandList_struct *cmd_alloc(ctlr_info_t *h, int get_from_pool)
380{ 392{
381 CommandList_struct *c; 393 CommandList_struct *c;
382 int i; 394 int i;
383 u64bit temp64; 395 u64bit temp64;
384 dma_addr_t cmd_dma_handle, err_dma_handle; 396 dma_addr_t cmd_dma_handle, err_dma_handle;
385 397
386 if (!get_from_pool) 398 if (!get_from_pool) {
387 { 399 c = (CommandList_struct *) pci_alloc_consistent(h->pdev,
388 c = (CommandList_struct *) pci_alloc_consistent( 400 sizeof(CommandList_struct), &cmd_dma_handle);
389 h->pdev, sizeof(CommandList_struct), &cmd_dma_handle); 401 if (c == NULL)
390 if(c==NULL) 402 return NULL;
391 return NULL;
392 memset(c, 0, sizeof(CommandList_struct)); 403 memset(c, 0, sizeof(CommandList_struct));
393 404
394 c->cmdindex = -1; 405 c->cmdindex = -1;
395 406
396 c->err_info = (ErrorInfo_struct *)pci_alloc_consistent( 407 c->err_info = (ErrorInfo_struct *)
397 h->pdev, sizeof(ErrorInfo_struct), 408 pci_alloc_consistent(h->pdev, sizeof(ErrorInfo_struct),
398 &err_dma_handle); 409 &err_dma_handle);
399 410
400 if (c->err_info == NULL) 411 if (c->err_info == NULL) {
401 { 412 pci_free_consistent(h->pdev,
402 pci_free_consistent(h->pdev,
403 sizeof(CommandList_struct), c, cmd_dma_handle); 413 sizeof(CommandList_struct), c, cmd_dma_handle);
404 return NULL; 414 return NULL;
405 } 415 }
406 memset(c->err_info, 0, sizeof(ErrorInfo_struct)); 416 memset(c->err_info, 0, sizeof(ErrorInfo_struct));
407 } else /* get it out of the controllers pool */ 417 } else { /* get it out of the controllers pool */
408 { 418
409 do { 419 do {
410 i = find_first_zero_bit(h->cmd_pool_bits, NR_CMDS); 420 i = find_first_zero_bit(h->cmd_pool_bits, NR_CMDS);
411 if (i == NR_CMDS) 421 if (i == NR_CMDS)
412 return NULL; 422 return NULL;
413 } while(test_and_set_bit(i & (BITS_PER_LONG - 1), h->cmd_pool_bits+(i/BITS_PER_LONG)) != 0); 423 } while (test_and_set_bit
424 (i & (BITS_PER_LONG - 1),
425 h->cmd_pool_bits + (i / BITS_PER_LONG)) != 0);
414#ifdef CCISS_DEBUG 426#ifdef CCISS_DEBUG
415 printk(KERN_DEBUG "cciss: using command buffer %d\n", i); 427 printk(KERN_DEBUG "cciss: using command buffer %d\n", i);
416#endif 428#endif
417 c = h->cmd_pool + i; 429 c = h->cmd_pool + i;
418 memset(c, 0, sizeof(CommandList_struct)); 430 memset(c, 0, sizeof(CommandList_struct));
419 cmd_dma_handle = h->cmd_pool_dhandle 431 cmd_dma_handle = h->cmd_pool_dhandle
420 + i*sizeof(CommandList_struct); 432 + i * sizeof(CommandList_struct);
421 c->err_info = h->errinfo_pool + i; 433 c->err_info = h->errinfo_pool + i;
422 memset(c->err_info, 0, sizeof(ErrorInfo_struct)); 434 memset(c->err_info, 0, sizeof(ErrorInfo_struct));
423 err_dma_handle = h->errinfo_pool_dhandle 435 err_dma_handle = h->errinfo_pool_dhandle
424 + i*sizeof(ErrorInfo_struct); 436 + i * sizeof(ErrorInfo_struct);
425 h->nr_allocs++; 437 h->nr_allocs++;
426 438
427 c->cmdindex = i; 439 c->cmdindex = i;
428 } 440 }
429 441
430 c->busaddr = (__u32) cmd_dma_handle; 442 c->busaddr = (__u32) cmd_dma_handle;
431 temp64.val = (__u64) err_dma_handle; 443 temp64.val = (__u64) err_dma_handle;
432 c->ErrDesc.Addr.lower = temp64.val32.lower; 444 c->ErrDesc.Addr.lower = temp64.val32.lower;
433 c->ErrDesc.Addr.upper = temp64.val32.upper; 445 c->ErrDesc.Addr.upper = temp64.val32.upper;
434 c->ErrDesc.Len = sizeof(ErrorInfo_struct); 446 c->ErrDesc.Len = sizeof(ErrorInfo_struct);
435
436 c->ctlr = h->ctlr;
437 return c;
438
439 447
448 c->ctlr = h->ctlr;
449 return c;
440} 450}
441 451
442/* 452/*
443 * Frees a command block that was previously allocated with cmd_alloc(). 453 * Frees a command block that was previously allocated with cmd_alloc().
444 */ 454 */
445static void cmd_free(ctlr_info_t *h, CommandList_struct *c, int got_from_pool) 455static void cmd_free(ctlr_info_t *h, CommandList_struct *c, int got_from_pool)
446{ 456{
447 int i; 457 int i;
448 u64bit temp64; 458 u64bit temp64;
449 459
450 if( !got_from_pool) 460 if (!got_from_pool) {
451 {
452 temp64.val32.lower = c->ErrDesc.Addr.lower; 461 temp64.val32.lower = c->ErrDesc.Addr.lower;
453 temp64.val32.upper = c->ErrDesc.Addr.upper; 462 temp64.val32.upper = c->ErrDesc.Addr.upper;
454 pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct), 463 pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct),
455 c->err_info, (dma_addr_t) temp64.val); 464 c->err_info, (dma_addr_t) temp64.val);
456 pci_free_consistent(h->pdev, sizeof(CommandList_struct), 465 pci_free_consistent(h->pdev, sizeof(CommandList_struct),
457 c, (dma_addr_t) c->busaddr); 466 c, (dma_addr_t) c->busaddr);
458 } else 467 } else {
459 {
460 i = c - h->cmd_pool; 468 i = c - h->cmd_pool;
461 clear_bit(i&(BITS_PER_LONG-1), h->cmd_pool_bits+(i/BITS_PER_LONG)); 469 clear_bit(i & (BITS_PER_LONG - 1),
462 h->nr_frees++; 470 h->cmd_pool_bits + (i / BITS_PER_LONG));
463 } 471 h->nr_frees++;
472 }
464} 473}
465 474
466static inline ctlr_info_t *get_host(struct gendisk *disk) 475static inline ctlr_info_t *get_host(struct gendisk *disk)
467{ 476{
468 return disk->queue->queuedata; 477 return disk->queue->queuedata;
469} 478}
470 479
471static inline drive_info_struct *get_drv(struct gendisk *disk) 480static inline drive_info_struct *get_drv(struct gendisk *disk)
@@ -483,7 +492,7 @@ static int cciss_open(struct inode *inode, struct file *filep)
483 492
484#ifdef CCISS_DEBUG 493#ifdef CCISS_DEBUG
485 printk(KERN_DEBUG "cciss_open %s\n", inode->i_bdev->bd_disk->disk_name); 494 printk(KERN_DEBUG "cciss_open %s\n", inode->i_bdev->bd_disk->disk_name);
486#endif /* CCISS_DEBUG */ 495#endif /* CCISS_DEBUG */
487 496
488 if (host->busy_initializing || drv->busy_configuring) 497 if (host->busy_initializing || drv->busy_configuring)
489 return -EBUSY; 498 return -EBUSY;
@@ -496,10 +505,10 @@ static int cciss_open(struct inode *inode, struct file *filep)
496 * for "raw controller". 505 * for "raw controller".
497 */ 506 */
498 if (drv->nr_blocks == 0) { 507 if (drv->nr_blocks == 0) {
499 if (iminor(inode) != 0) { /* not node 0? */ 508 if (iminor(inode) != 0) { /* not node 0? */
500 /* if not node 0 make sure it is a partition = 0 */ 509 /* if not node 0 make sure it is a partition = 0 */
501 if (iminor(inode) & 0x0f) { 510 if (iminor(inode) & 0x0f) {
502 return -ENXIO; 511 return -ENXIO;
503 /* if it is, make sure we have a LUN ID */ 512 /* if it is, make sure we have a LUN ID */
504 } else if (drv->LunID == 0) { 513 } else if (drv->LunID == 0) {
505 return -ENXIO; 514 return -ENXIO;
@@ -512,6 +521,7 @@ static int cciss_open(struct inode *inode, struct file *filep)
512 host->usage_count++; 521 host->usage_count++;
513 return 0; 522 return 0;
514} 523}
524
515/* 525/*
516 * Close. Sync first. 526 * Close. Sync first.
517 */ 527 */
@@ -521,8 +531,9 @@ static int cciss_release(struct inode *inode, struct file *filep)
521 drive_info_struct *drv = get_drv(inode->i_bdev->bd_disk); 531 drive_info_struct *drv = get_drv(inode->i_bdev->bd_disk);
522 532
523#ifdef CCISS_DEBUG 533#ifdef CCISS_DEBUG
524 printk(KERN_DEBUG "cciss_release %s\n", inode->i_bdev->bd_disk->disk_name); 534 printk(KERN_DEBUG "cciss_release %s\n",
525#endif /* CCISS_DEBUG */ 535 inode->i_bdev->bd_disk->disk_name);
536#endif /* CCISS_DEBUG */
526 537
527 drv->usage_count--; 538 drv->usage_count--;
528 host->usage_count--; 539 host->usage_count--;
@@ -540,8 +551,10 @@ static int do_ioctl(struct file *f, unsigned cmd, unsigned long arg)
540 return ret; 551 return ret;
541} 552}
542 553
543static int cciss_ioctl32_passthru(struct file *f, unsigned cmd, unsigned long arg); 554static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
544static int cciss_ioctl32_big_passthru(struct file *f, unsigned cmd, unsigned long arg); 555 unsigned long arg);
556static int cciss_ioctl32_big_passthru(struct file *f, unsigned cmd,
557 unsigned long arg);
545 558
546static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg) 559static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
547{ 560{
@@ -573,19 +586,26 @@ static long cciss_compat_ioctl(struct file *f, unsigned cmd, unsigned long arg)
573 } 586 }
574} 587}
575 588
576static int cciss_ioctl32_passthru(struct file *f, unsigned cmd, unsigned long arg) 589static int cciss_ioctl32_passthru(struct file *f, unsigned cmd,
590 unsigned long arg)
577{ 591{
578 IOCTL32_Command_struct __user *arg32 = 592 IOCTL32_Command_struct __user *arg32 =
579 (IOCTL32_Command_struct __user *) arg; 593 (IOCTL32_Command_struct __user *) arg;
580 IOCTL_Command_struct arg64; 594 IOCTL_Command_struct arg64;
581 IOCTL_Command_struct __user *p = compat_alloc_user_space(sizeof(arg64)); 595 IOCTL_Command_struct __user *p = compat_alloc_user_space(sizeof(arg64));
582 int err; 596 int err;
583 u32 cp; 597 u32 cp;
584 598
585 err = 0; 599 err = 0;
586 err |= copy_from_user(&arg64.LUN_info, &arg32->LUN_info, sizeof(arg64.LUN_info)); 600 err |=
587 err |= copy_from_user(&arg64.Request, &arg32->Request, sizeof(arg64.Request)); 601 copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
588 err |= copy_from_user(&arg64.error_info, &arg32->error_info, sizeof(arg64.error_info)); 602 sizeof(arg64.LUN_info));
603 err |=
604 copy_from_user(&arg64.Request, &arg32->Request,
605 sizeof(arg64.Request));
606 err |=
607 copy_from_user(&arg64.error_info, &arg32->error_info,
608 sizeof(arg64.error_info));
589 err |= get_user(arg64.buf_size, &arg32->buf_size); 609 err |= get_user(arg64.buf_size, &arg32->buf_size);
590 err |= get_user(cp, &arg32->buf); 610 err |= get_user(cp, &arg32->buf);
591 arg64.buf = compat_ptr(cp); 611 arg64.buf = compat_ptr(cp);
@@ -594,28 +614,38 @@ static int cciss_ioctl32_passthru(struct file *f, unsigned cmd, unsigned long ar
594 if (err) 614 if (err)
595 return -EFAULT; 615 return -EFAULT;
596 616
597 err = do_ioctl(f, CCISS_PASSTHRU, (unsigned long) p); 617 err = do_ioctl(f, CCISS_PASSTHRU, (unsigned long)p);
598 if (err) 618 if (err)
599 return err; 619 return err;
600 err |= copy_in_user(&arg32->error_info, &p->error_info, sizeof(arg32->error_info)); 620 err |=
621 copy_in_user(&arg32->error_info, &p->error_info,
622 sizeof(arg32->error_info));
601 if (err) 623 if (err)
602 return -EFAULT; 624 return -EFAULT;
603 return err; 625 return err;
604} 626}
605 627
606static int cciss_ioctl32_big_passthru(struct file *file, unsigned cmd, unsigned long arg) 628static int cciss_ioctl32_big_passthru(struct file *file, unsigned cmd,
629 unsigned long arg)
607{ 630{
608 BIG_IOCTL32_Command_struct __user *arg32 = 631 BIG_IOCTL32_Command_struct __user *arg32 =
609 (BIG_IOCTL32_Command_struct __user *) arg; 632 (BIG_IOCTL32_Command_struct __user *) arg;
610 BIG_IOCTL_Command_struct arg64; 633 BIG_IOCTL_Command_struct arg64;
611 BIG_IOCTL_Command_struct __user *p = compat_alloc_user_space(sizeof(arg64)); 634 BIG_IOCTL_Command_struct __user *p =
635 compat_alloc_user_space(sizeof(arg64));
612 int err; 636 int err;
613 u32 cp; 637 u32 cp;
614 638
615 err = 0; 639 err = 0;
616 err |= copy_from_user(&arg64.LUN_info, &arg32->LUN_info, sizeof(arg64.LUN_info)); 640 err |=
617 err |= copy_from_user(&arg64.Request, &arg32->Request, sizeof(arg64.Request)); 641 copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
618 err |= copy_from_user(&arg64.error_info, &arg32->error_info, sizeof(arg64.error_info)); 642 sizeof(arg64.LUN_info));
643 err |=
644 copy_from_user(&arg64.Request, &arg32->Request,
645 sizeof(arg64.Request));
646 err |=
647 copy_from_user(&arg64.error_info, &arg32->error_info,
648 sizeof(arg64.error_info));
619 err |= get_user(arg64.buf_size, &arg32->buf_size); 649 err |= get_user(arg64.buf_size, &arg32->buf_size);
620 err |= get_user(arg64.malloc_size, &arg32->malloc_size); 650 err |= get_user(arg64.malloc_size, &arg32->malloc_size);
621 err |= get_user(cp, &arg32->buf); 651 err |= get_user(cp, &arg32->buf);
@@ -623,12 +653,14 @@ static int cciss_ioctl32_big_passthru(struct file *file, unsigned cmd, unsigned
623 err |= copy_to_user(p, &arg64, sizeof(arg64)); 653 err |= copy_to_user(p, &arg64, sizeof(arg64));
624 654
625 if (err) 655 if (err)
626 return -EFAULT; 656 return -EFAULT;
627 657
628 err = do_ioctl(file, CCISS_BIG_PASSTHRU, (unsigned long) p); 658 err = do_ioctl(file, CCISS_BIG_PASSTHRU, (unsigned long)p);
629 if (err) 659 if (err)
630 return err; 660 return err;
631 err |= copy_in_user(&arg32->error_info, &p->error_info, sizeof(arg32->error_info)); 661 err |=
662 copy_in_user(&arg32->error_info, &p->error_info,
663 sizeof(arg32->error_info));
632 if (err) 664 if (err)
633 return -EFAULT; 665 return -EFAULT;
634 return err; 666 return err;
@@ -649,10 +681,10 @@ static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo)
649} 681}
650 682
651/* 683/*
652 * ioctl 684 * ioctl
653 */ 685 */
654static int cciss_ioctl(struct inode *inode, struct file *filep, 686static int cciss_ioctl(struct inode *inode, struct file *filep,
655 unsigned int cmd, unsigned long arg) 687 unsigned int cmd, unsigned long arg)
656{ 688{
657 struct block_device *bdev = inode->i_bdev; 689 struct block_device *bdev = inode->i_bdev;
658 struct gendisk *disk = bdev->bd_disk; 690 struct gendisk *disk = bdev->bd_disk;
@@ -663,171 +695,193 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
663 695
664#ifdef CCISS_DEBUG 696#ifdef CCISS_DEBUG
665 printk(KERN_DEBUG "cciss_ioctl: Called with cmd=%x %lx\n", cmd, arg); 697 printk(KERN_DEBUG "cciss_ioctl: Called with cmd=%x %lx\n", cmd, arg);
666#endif /* CCISS_DEBUG */ 698#endif /* CCISS_DEBUG */
667 699
668 switch(cmd) { 700 switch (cmd) {
669 case CCISS_GETPCIINFO: 701 case CCISS_GETPCIINFO:
670 { 702 {
671 cciss_pci_info_struct pciinfo; 703 cciss_pci_info_struct pciinfo;
672 704
673 if (!arg) return -EINVAL; 705 if (!arg)
674 pciinfo.domain = pci_domain_nr(host->pdev->bus); 706 return -EINVAL;
675 pciinfo.bus = host->pdev->bus->number; 707 pciinfo.domain = pci_domain_nr(host->pdev->bus);
676 pciinfo.dev_fn = host->pdev->devfn; 708 pciinfo.bus = host->pdev->bus->number;
677 pciinfo.board_id = host->board_id; 709 pciinfo.dev_fn = host->pdev->devfn;
678 if (copy_to_user(argp, &pciinfo, sizeof( cciss_pci_info_struct ))) 710 pciinfo.board_id = host->board_id;
679 return -EFAULT; 711 if (copy_to_user
680 return 0; 712 (argp, &pciinfo, sizeof(cciss_pci_info_struct)))
681 } 713 return -EFAULT;
714 return 0;
715 }
682 case CCISS_GETINTINFO: 716 case CCISS_GETINTINFO:
683 { 717 {
684 cciss_coalint_struct intinfo; 718 cciss_coalint_struct intinfo;
685 if (!arg) return -EINVAL; 719 if (!arg)
686 intinfo.delay = readl(&host->cfgtable->HostWrite.CoalIntDelay); 720 return -EINVAL;
687 intinfo.count = readl(&host->cfgtable->HostWrite.CoalIntCount); 721 intinfo.delay =
688 if (copy_to_user(argp, &intinfo, sizeof( cciss_coalint_struct ))) 722 readl(&host->cfgtable->HostWrite.CoalIntDelay);
689 return -EFAULT; 723 intinfo.count =
690 return 0; 724 readl(&host->cfgtable->HostWrite.CoalIntCount);
691 } 725 if (copy_to_user
726 (argp, &intinfo, sizeof(cciss_coalint_struct)))
727 return -EFAULT;
728 return 0;
729 }
692 case CCISS_SETINTINFO: 730 case CCISS_SETINTINFO:
693 {
694 cciss_coalint_struct intinfo;
695 unsigned long flags;
696 int i;
697
698 if (!arg) return -EINVAL;
699 if (!capable(CAP_SYS_ADMIN)) return -EPERM;
700 if (copy_from_user(&intinfo, argp, sizeof( cciss_coalint_struct)))
701 return -EFAULT;
702 if ( (intinfo.delay == 0 ) && (intinfo.count == 0))
703
704 { 731 {
705// printk("cciss_ioctl: delay and count cannot be 0\n"); 732 cciss_coalint_struct intinfo;
706 return -EINVAL; 733 unsigned long flags;
734 int i;
735
736 if (!arg)
737 return -EINVAL;
738 if (!capable(CAP_SYS_ADMIN))
739 return -EPERM;
740 if (copy_from_user
741 (&intinfo, argp, sizeof(cciss_coalint_struct)))
742 return -EFAULT;
743 if ((intinfo.delay == 0) && (intinfo.count == 0))
744 {
745// printk("cciss_ioctl: delay and count cannot be 0\n");
746 return -EINVAL;
747 }
748 spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
749 /* Update the field, and then ring the doorbell */
750 writel(intinfo.delay,
751 &(host->cfgtable->HostWrite.CoalIntDelay));
752 writel(intinfo.count,
753 &(host->cfgtable->HostWrite.CoalIntCount));
754 writel(CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL);
755
756 for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) {
757 if (!(readl(host->vaddr + SA5_DOORBELL)
758 & CFGTBL_ChangeReq))
759 break;
760 /* delay and try again */
761 udelay(1000);
762 }
763 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
764 if (i >= MAX_IOCTL_CONFIG_WAIT)
765 return -EAGAIN;
766 return 0;
707 } 767 }
708 spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
709 /* Update the field, and then ring the doorbell */
710 writel( intinfo.delay,
711 &(host->cfgtable->HostWrite.CoalIntDelay));
712 writel( intinfo.count,
713 &(host->cfgtable->HostWrite.CoalIntCount));
714 writel( CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL);
715
716 for(i=0;i<MAX_IOCTL_CONFIG_WAIT;i++) {
717 if (!(readl(host->vaddr + SA5_DOORBELL)
718 & CFGTBL_ChangeReq))
719 break;
720 /* delay and try again */
721 udelay(1000);
722 }
723 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
724 if (i >= MAX_IOCTL_CONFIG_WAIT)
725 return -EAGAIN;
726 return 0;
727 }
728 case CCISS_GETNODENAME: 768 case CCISS_GETNODENAME:
729 { 769 {
730 NodeName_type NodeName; 770 NodeName_type NodeName;
731 int i; 771 int i;
732 772
733 if (!arg) return -EINVAL; 773 if (!arg)
734 for(i=0;i<16;i++) 774 return -EINVAL;
735 NodeName[i] = readb(&host->cfgtable->ServerName[i]); 775 for (i = 0; i < 16; i++)
736 if (copy_to_user(argp, NodeName, sizeof( NodeName_type))) 776 NodeName[i] =
737 return -EFAULT; 777 readb(&host->cfgtable->ServerName[i]);
738 return 0; 778 if (copy_to_user(argp, NodeName, sizeof(NodeName_type)))
739 } 779 return -EFAULT;
780 return 0;
781 }
740 case CCISS_SETNODENAME: 782 case CCISS_SETNODENAME:
741 { 783 {
742 NodeName_type NodeName; 784 NodeName_type NodeName;
743 unsigned long flags; 785 unsigned long flags;
744 int i; 786 int i;
745 787
746 if (!arg) return -EINVAL; 788 if (!arg)
747 if (!capable(CAP_SYS_ADMIN)) return -EPERM; 789 return -EINVAL;
748 790 if (!capable(CAP_SYS_ADMIN))
749 if (copy_from_user(NodeName, argp, sizeof( NodeName_type))) 791 return -EPERM;
750 return -EFAULT; 792
751 793 if (copy_from_user
752 spin_lock_irqsave(CCISS_LOCK(ctlr), flags); 794 (NodeName, argp, sizeof(NodeName_type)))
753 795 return -EFAULT;
754 /* Update the field, and then ring the doorbell */ 796
755 for(i=0;i<16;i++) 797 spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
756 writeb( NodeName[i], &host->cfgtable->ServerName[i]); 798
757 799 /* Update the field, and then ring the doorbell */
758 writel( CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL); 800 for (i = 0; i < 16; i++)
759 801 writeb(NodeName[i],
760 for(i=0;i<MAX_IOCTL_CONFIG_WAIT;i++) { 802 &host->cfgtable->ServerName[i]);
761 if (!(readl(host->vaddr + SA5_DOORBELL) 803
762 & CFGTBL_ChangeReq)) 804 writel(CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL);
763 break; 805
764 /* delay and try again */ 806 for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) {
765 udelay(1000); 807 if (!(readl(host->vaddr + SA5_DOORBELL)
766 } 808 & CFGTBL_ChangeReq))
767 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); 809 break;
768 if (i >= MAX_IOCTL_CONFIG_WAIT) 810 /* delay and try again */
769 return -EAGAIN; 811 udelay(1000);
770 return 0; 812 }
771 } 813 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
814 if (i >= MAX_IOCTL_CONFIG_WAIT)
815 return -EAGAIN;
816 return 0;
817 }
772 818
773 case CCISS_GETHEARTBEAT: 819 case CCISS_GETHEARTBEAT:
774 { 820 {
775 Heartbeat_type heartbeat; 821 Heartbeat_type heartbeat;
776 822
777 if (!arg) return -EINVAL; 823 if (!arg)
778 heartbeat = readl(&host->cfgtable->HeartBeat); 824 return -EINVAL;
779 if (copy_to_user(argp, &heartbeat, sizeof( Heartbeat_type))) 825 heartbeat = readl(&host->cfgtable->HeartBeat);
780 return -EFAULT; 826 if (copy_to_user
781 return 0; 827 (argp, &heartbeat, sizeof(Heartbeat_type)))
782 } 828 return -EFAULT;
829 return 0;
830 }
783 case CCISS_GETBUSTYPES: 831 case CCISS_GETBUSTYPES:
784 { 832 {
785 BusTypes_type BusTypes; 833 BusTypes_type BusTypes;
786 834
787 if (!arg) return -EINVAL; 835 if (!arg)
788 BusTypes = readl(&host->cfgtable->BusTypes); 836 return -EINVAL;
789 if (copy_to_user(argp, &BusTypes, sizeof( BusTypes_type) )) 837 BusTypes = readl(&host->cfgtable->BusTypes);
790 return -EFAULT; 838 if (copy_to_user
791 return 0; 839 (argp, &BusTypes, sizeof(BusTypes_type)))
792 } 840 return -EFAULT;
841 return 0;
842 }
793 case CCISS_GETFIRMVER: 843 case CCISS_GETFIRMVER:
794 { 844 {
795 FirmwareVer_type firmware; 845 FirmwareVer_type firmware;
796 846
797 if (!arg) return -EINVAL; 847 if (!arg)
798 memcpy(firmware, host->firm_ver, 4); 848 return -EINVAL;
849 memcpy(firmware, host->firm_ver, 4);
799 850
800 if (copy_to_user(argp, firmware, sizeof( FirmwareVer_type))) 851 if (copy_to_user
801 return -EFAULT; 852 (argp, firmware, sizeof(FirmwareVer_type)))
802 return 0; 853 return -EFAULT;
803 } 854 return 0;
804 case CCISS_GETDRIVVER: 855 }
805 { 856 case CCISS_GETDRIVVER:
806 DriverVer_type DriverVer = DRIVER_VERSION; 857 {
858 DriverVer_type DriverVer = DRIVER_VERSION;
807 859
808 if (!arg) return -EINVAL; 860 if (!arg)
861 return -EINVAL;
809 862
810 if (copy_to_user(argp, &DriverVer, sizeof( DriverVer_type) )) 863 if (copy_to_user
811 return -EFAULT; 864 (argp, &DriverVer, sizeof(DriverVer_type)))
812 return 0; 865 return -EFAULT;
813 } 866 return 0;
867 }
814 868
815 case CCISS_REVALIDVOLS: 869 case CCISS_REVALIDVOLS:
816 if (bdev != bdev->bd_contains || drv != host->drv) 870 if (bdev != bdev->bd_contains || drv != host->drv)
817 return -ENXIO; 871 return -ENXIO;
818 return revalidate_allvol(host); 872 return revalidate_allvol(host);
819 873
820 case CCISS_GETLUNINFO: { 874 case CCISS_GETLUNINFO:{
821 LogvolInfo_struct luninfo; 875 LogvolInfo_struct luninfo;
822 876
823 luninfo.LunID = drv->LunID; 877 luninfo.LunID = drv->LunID;
824 luninfo.num_opens = drv->usage_count; 878 luninfo.num_opens = drv->usage_count;
825 luninfo.num_parts = 0; 879 luninfo.num_parts = 0;
826 if (copy_to_user(argp, &luninfo, 880 if (copy_to_user(argp, &luninfo,
827 sizeof(LogvolInfo_struct))) 881 sizeof(LogvolInfo_struct)))
828 return -EFAULT; 882 return -EFAULT;
829 return 0; 883 return 0;
830 } 884 }
831 case CCISS_DEREGDISK: 885 case CCISS_DEREGDISK:
832 return rebuild_lun_table(host, disk); 886 return rebuild_lun_table(host, disk);
833 887
@@ -835,278 +889,284 @@ static int cciss_ioctl(struct inode *inode, struct file *filep,
835 return rebuild_lun_table(host, NULL); 889 return rebuild_lun_table(host, NULL);
836 890
837 case CCISS_PASSTHRU: 891 case CCISS_PASSTHRU:
838 {
839 IOCTL_Command_struct iocommand;
840 CommandList_struct *c;
841 char *buff = NULL;
842 u64bit temp64;
843 unsigned long flags;
844 DECLARE_COMPLETION(wait);
845
846 if (!arg) return -EINVAL;
847
848 if (!capable(CAP_SYS_RAWIO)) return -EPERM;
849
850 if (copy_from_user(&iocommand, argp, sizeof( IOCTL_Command_struct) ))
851 return -EFAULT;
852 if((iocommand.buf_size < 1) &&
853 (iocommand.Request.Type.Direction != XFER_NONE))
854 {
855 return -EINVAL;
856 }
857#if 0 /* 'buf_size' member is 16-bits, and always smaller than kmalloc limit */
858 /* Check kmalloc limits */
859 if(iocommand.buf_size > 128000)
860 return -EINVAL;
861#endif
862 if(iocommand.buf_size > 0)
863 {
864 buff = kmalloc(iocommand.buf_size, GFP_KERNEL);
865 if( buff == NULL)
866 return -EFAULT;
867 }
868 if (iocommand.Request.Type.Direction == XFER_WRITE)
869 {
870 /* Copy the data into the buffer we created */
871 if (copy_from_user(buff, iocommand.buf, iocommand.buf_size))
872 {
873 kfree(buff);
874 return -EFAULT;
875 }
876 } else {
877 memset(buff, 0, iocommand.buf_size);
878 }
879 if ((c = cmd_alloc(host , 0)) == NULL)
880 { 892 {
881 kfree(buff); 893 IOCTL_Command_struct iocommand;
882 return -ENOMEM; 894 CommandList_struct *c;
883 } 895 char *buff = NULL;
884 // Fill in the command type 896 u64bit temp64;
885 c->cmd_type = CMD_IOCTL_PEND; 897 unsigned long flags;
886 // Fill in Command Header 898 DECLARE_COMPLETION(wait);
887 c->Header.ReplyQueue = 0; // unused in simple mode
888 if( iocommand.buf_size > 0) // buffer to fill
889 {
890 c->Header.SGList = 1;
891 c->Header.SGTotal= 1;
892 } else // no buffers to fill
893 {
894 c->Header.SGList = 0;
895 c->Header.SGTotal= 0;
896 }
897 c->Header.LUN = iocommand.LUN_info;
898 c->Header.Tag.lower = c->busaddr; // use the kernel address the cmd block for tag
899
900 // Fill in Request block
901 c->Request = iocommand.Request;
902
903 // Fill in the scatter gather information
904 if (iocommand.buf_size > 0 )
905 {
906 temp64.val = pci_map_single( host->pdev, buff,
907 iocommand.buf_size,
908 PCI_DMA_BIDIRECTIONAL);
909 c->SG[0].Addr.lower = temp64.val32.lower;
910 c->SG[0].Addr.upper = temp64.val32.upper;
911 c->SG[0].Len = iocommand.buf_size;
912 c->SG[0].Ext = 0; // we are not chaining
913 }
914 c->waiting = &wait;
915 899
916 /* Put the request on the tail of the request queue */ 900 if (!arg)
917 spin_lock_irqsave(CCISS_LOCK(ctlr), flags); 901 return -EINVAL;
918 addQ(&host->reqQ, c);
919 host->Qdepth++;
920 start_io(host);
921 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
922 902
923 wait_for_completion(&wait); 903 if (!capable(CAP_SYS_RAWIO))
904 return -EPERM;
924 905
925 /* unlock the buffers from DMA */ 906 if (copy_from_user
926 temp64.val32.lower = c->SG[0].Addr.lower; 907 (&iocommand, argp, sizeof(IOCTL_Command_struct)))
927 temp64.val32.upper = c->SG[0].Addr.upper; 908 return -EFAULT;
928 pci_unmap_single( host->pdev, (dma_addr_t) temp64.val, 909 if ((iocommand.buf_size < 1) &&
929 iocommand.buf_size, PCI_DMA_BIDIRECTIONAL); 910 (iocommand.Request.Type.Direction != XFER_NONE)) {
911 return -EINVAL;
912 }
913#if 0 /* 'buf_size' member is 16-bits, and always smaller than kmalloc limit */
914 /* Check kmalloc limits */
915 if (iocommand.buf_size > 128000)
916 return -EINVAL;
917#endif
918 if (iocommand.buf_size > 0) {
919 buff = kmalloc(iocommand.buf_size, GFP_KERNEL);
920 if (buff == NULL)
921 return -EFAULT;
922 }
923 if (iocommand.Request.Type.Direction == XFER_WRITE) {
924 /* Copy the data into the buffer we created */
925 if (copy_from_user
926 (buff, iocommand.buf, iocommand.buf_size)) {
927 kfree(buff);
928 return -EFAULT;
929 }
930 } else {
931 memset(buff, 0, iocommand.buf_size);
932 }
933 if ((c = cmd_alloc(host, 0)) == NULL) {
934 kfree(buff);
935 return -ENOMEM;
936 }
937 // Fill in the command type
938 c->cmd_type = CMD_IOCTL_PEND;
939 // Fill in Command Header
940 c->Header.ReplyQueue = 0; // unused in simple mode
941 if (iocommand.buf_size > 0) // buffer to fill
942 {
943 c->Header.SGList = 1;
944 c->Header.SGTotal = 1;
945 } else // no buffers to fill
946 {
947 c->Header.SGList = 0;
948 c->Header.SGTotal = 0;
949 }
950 c->Header.LUN = iocommand.LUN_info;
951 c->Header.Tag.lower = c->busaddr; // use the kernel address the cmd block for tag
930 952
931 /* Copy the error information out */ 953 // Fill in Request block
932 iocommand.error_info = *(c->err_info); 954 c->Request = iocommand.Request;
933 if ( copy_to_user(argp, &iocommand, sizeof( IOCTL_Command_struct) ) )
934 {
935 kfree(buff);
936 cmd_free(host, c, 0);
937 return -EFAULT;
938 }
939 955
940 if (iocommand.Request.Type.Direction == XFER_READ) 956 // Fill in the scatter gather information
941 { 957 if (iocommand.buf_size > 0) {
942 /* Copy the data out of the buffer we created */ 958 temp64.val = pci_map_single(host->pdev, buff,
943 if (copy_to_user(iocommand.buf, buff, iocommand.buf_size)) 959 iocommand.buf_size,
944 { 960 PCI_DMA_BIDIRECTIONAL);
945 kfree(buff); 961 c->SG[0].Addr.lower = temp64.val32.lower;
962 c->SG[0].Addr.upper = temp64.val32.upper;
963 c->SG[0].Len = iocommand.buf_size;
964 c->SG[0].Ext = 0; // we are not chaining
965 }
966 c->waiting = &wait;
967
968 /* Put the request on the tail of the request queue */
969 spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
970 addQ(&host->reqQ, c);
971 host->Qdepth++;
972 start_io(host);
973 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
974
975 wait_for_completion(&wait);
976
977 /* unlock the buffers from DMA */
978 temp64.val32.lower = c->SG[0].Addr.lower;
979 temp64.val32.upper = c->SG[0].Addr.upper;
980 pci_unmap_single(host->pdev, (dma_addr_t) temp64.val,
981 iocommand.buf_size,
982 PCI_DMA_BIDIRECTIONAL);
983
984 /* Copy the error information out */
985 iocommand.error_info = *(c->err_info);
986 if (copy_to_user
987 (argp, &iocommand, sizeof(IOCTL_Command_struct))) {
988 kfree(buff);
946 cmd_free(host, c, 0); 989 cmd_free(host, c, 0);
947 return -EFAULT; 990 return -EFAULT;
948 } 991 }
949 } 992
950 kfree(buff); 993 if (iocommand.Request.Type.Direction == XFER_READ) {
951 cmd_free(host, c, 0); 994 /* Copy the data out of the buffer we created */
952 return 0; 995 if (copy_to_user
953 } 996 (iocommand.buf, buff, iocommand.buf_size)) {
954 case CCISS_BIG_PASSTHRU: { 997 kfree(buff);
955 BIG_IOCTL_Command_struct *ioc; 998 cmd_free(host, c, 0);
956 CommandList_struct *c; 999 return -EFAULT;
957 unsigned char **buff = NULL; 1000 }
958 int *buff_size = NULL; 1001 }
959 u64bit temp64; 1002 kfree(buff);
960 unsigned long flags; 1003 cmd_free(host, c, 0);
961 BYTE sg_used = 0; 1004 return 0;
962 int status = 0;
963 int i;
964 DECLARE_COMPLETION(wait);
965 __u32 left;
966 __u32 sz;
967 BYTE __user *data_ptr;
968
969 if (!arg)
970 return -EINVAL;
971 if (!capable(CAP_SYS_RAWIO))
972 return -EPERM;
973 ioc = (BIG_IOCTL_Command_struct *)
974 kmalloc(sizeof(*ioc), GFP_KERNEL);
975 if (!ioc) {
976 status = -ENOMEM;
977 goto cleanup1;
978 }
979 if (copy_from_user(ioc, argp, sizeof(*ioc))) {
980 status = -EFAULT;
981 goto cleanup1;
982 } 1005 }
983 if ((ioc->buf_size < 1) && 1006 case CCISS_BIG_PASSTHRU:{
984 (ioc->Request.Type.Direction != XFER_NONE)) { 1007 BIG_IOCTL_Command_struct *ioc;
1008 CommandList_struct *c;
1009 unsigned char **buff = NULL;
1010 int *buff_size = NULL;
1011 u64bit temp64;
1012 unsigned long flags;
1013 BYTE sg_used = 0;
1014 int status = 0;
1015 int i;
1016 DECLARE_COMPLETION(wait);
1017 __u32 left;
1018 __u32 sz;
1019 BYTE __user *data_ptr;
1020
1021 if (!arg)
1022 return -EINVAL;
1023 if (!capable(CAP_SYS_RAWIO))
1024 return -EPERM;
1025 ioc = (BIG_IOCTL_Command_struct *)
1026 kmalloc(sizeof(*ioc), GFP_KERNEL);
1027 if (!ioc) {
1028 status = -ENOMEM;
1029 goto cleanup1;
1030 }
1031 if (copy_from_user(ioc, argp, sizeof(*ioc))) {
1032 status = -EFAULT;
1033 goto cleanup1;
1034 }
1035 if ((ioc->buf_size < 1) &&
1036 (ioc->Request.Type.Direction != XFER_NONE)) {
985 status = -EINVAL; 1037 status = -EINVAL;
986 goto cleanup1; 1038 goto cleanup1;
987 } 1039 }
988 /* Check kmalloc limits using all SGs */ 1040 /* Check kmalloc limits using all SGs */
989 if (ioc->malloc_size > MAX_KMALLOC_SIZE) { 1041 if (ioc->malloc_size > MAX_KMALLOC_SIZE) {
990 status = -EINVAL; 1042 status = -EINVAL;
991 goto cleanup1; 1043 goto cleanup1;
992 } 1044 }
993 if (ioc->buf_size > ioc->malloc_size * MAXSGENTRIES) { 1045 if (ioc->buf_size > ioc->malloc_size * MAXSGENTRIES) {
994 status = -EINVAL; 1046 status = -EINVAL;
995 goto cleanup1; 1047 goto cleanup1;
996 } 1048 }
997 buff = kzalloc(MAXSGENTRIES * sizeof(char *), GFP_KERNEL); 1049 buff =
998 if (!buff) { 1050 kzalloc(MAXSGENTRIES * sizeof(char *), GFP_KERNEL);
999 status = -ENOMEM; 1051 if (!buff) {
1000 goto cleanup1;
1001 }
1002 buff_size = (int *) kmalloc(MAXSGENTRIES * sizeof(int),
1003 GFP_KERNEL);
1004 if (!buff_size) {
1005 status = -ENOMEM;
1006 goto cleanup1;
1007 }
1008 left = ioc->buf_size;
1009 data_ptr = ioc->buf;
1010 while (left) {
1011 sz = (left > ioc->malloc_size) ? ioc->malloc_size : left;
1012 buff_size[sg_used] = sz;
1013 buff[sg_used] = kmalloc(sz, GFP_KERNEL);
1014 if (buff[sg_used] == NULL) {
1015 status = -ENOMEM; 1052 status = -ENOMEM;
1016 goto cleanup1; 1053 goto cleanup1;
1017 } 1054 }
1018 if (ioc->Request.Type.Direction == XFER_WRITE) { 1055 buff_size = (int *)kmalloc(MAXSGENTRIES * sizeof(int),
1019 if (copy_from_user(buff[sg_used], data_ptr, sz)) { 1056 GFP_KERNEL);
1057 if (!buff_size) {
1058 status = -ENOMEM;
1059 goto cleanup1;
1060 }
1061 left = ioc->buf_size;
1062 data_ptr = ioc->buf;
1063 while (left) {
1064 sz = (left >
1065 ioc->malloc_size) ? ioc->
1066 malloc_size : left;
1067 buff_size[sg_used] = sz;
1068 buff[sg_used] = kmalloc(sz, GFP_KERNEL);
1069 if (buff[sg_used] == NULL) {
1020 status = -ENOMEM; 1070 status = -ENOMEM;
1021 goto cleanup1; 1071 goto cleanup1;
1022 } 1072 }
1073 if (ioc->Request.Type.Direction == XFER_WRITE) {
1074 if (copy_from_user
1075 (buff[sg_used], data_ptr, sz)) {
1076 status = -ENOMEM;
1077 goto cleanup1;
1078 }
1079 } else {
1080 memset(buff[sg_used], 0, sz);
1081 }
1082 left -= sz;
1083 data_ptr += sz;
1084 sg_used++;
1085 }
1086 if ((c = cmd_alloc(host, 0)) == NULL) {
1087 status = -ENOMEM;
1088 goto cleanup1;
1089 }
1090 c->cmd_type = CMD_IOCTL_PEND;
1091 c->Header.ReplyQueue = 0;
1092
1093 if (ioc->buf_size > 0) {
1094 c->Header.SGList = sg_used;
1095 c->Header.SGTotal = sg_used;
1023 } else { 1096 } else {
1024 memset(buff[sg_used], 0, sz); 1097 c->Header.SGList = 0;
1098 c->Header.SGTotal = 0;
1025 } 1099 }
1026 left -= sz; 1100 c->Header.LUN = ioc->LUN_info;
1027 data_ptr += sz; 1101 c->Header.Tag.lower = c->busaddr;
1028 sg_used++; 1102
1029 } 1103 c->Request = ioc->Request;
1030 if ((c = cmd_alloc(host , 0)) == NULL) { 1104 if (ioc->buf_size > 0) {
1031 status = -ENOMEM; 1105 int i;
1032 goto cleanup1; 1106 for (i = 0; i < sg_used; i++) {
1033 } 1107 temp64.val =
1034 c->cmd_type = CMD_IOCTL_PEND; 1108 pci_map_single(host->pdev, buff[i],
1035 c->Header.ReplyQueue = 0; 1109 buff_size[i],
1036 1110 PCI_DMA_BIDIRECTIONAL);
1037 if( ioc->buf_size > 0) { 1111 c->SG[i].Addr.lower =
1038 c->Header.SGList = sg_used; 1112 temp64.val32.lower;
1039 c->Header.SGTotal= sg_used; 1113 c->SG[i].Addr.upper =
1040 } else { 1114 temp64.val32.upper;
1041 c->Header.SGList = 0; 1115 c->SG[i].Len = buff_size[i];
1042 c->Header.SGTotal= 0; 1116 c->SG[i].Ext = 0; /* we are not chaining */
1043 } 1117 }
1044 c->Header.LUN = ioc->LUN_info; 1118 }
1045 c->Header.Tag.lower = c->busaddr; 1119 c->waiting = &wait;
1046 1120 /* Put the request on the tail of the request queue */
1047 c->Request = ioc->Request; 1121 spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
1048 if (ioc->buf_size > 0 ) { 1122 addQ(&host->reqQ, c);
1049 int i; 1123 host->Qdepth++;
1050 for(i=0; i<sg_used; i++) { 1124 start_io(host);
1051 temp64.val = pci_map_single( host->pdev, buff[i], 1125 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
1052 buff_size[i], 1126 wait_for_completion(&wait);
1127 /* unlock the buffers from DMA */
1128 for (i = 0; i < sg_used; i++) {
1129 temp64.val32.lower = c->SG[i].Addr.lower;
1130 temp64.val32.upper = c->SG[i].Addr.upper;
1131 pci_unmap_single(host->pdev,
1132 (dma_addr_t) temp64.val, buff_size[i],
1053 PCI_DMA_BIDIRECTIONAL); 1133 PCI_DMA_BIDIRECTIONAL);
1054 c->SG[i].Addr.lower = temp64.val32.lower;
1055 c->SG[i].Addr.upper = temp64.val32.upper;
1056 c->SG[i].Len = buff_size[i];
1057 c->SG[i].Ext = 0; /* we are not chaining */
1058 } 1134 }
1059 } 1135 /* Copy the error information out */
1060 c->waiting = &wait; 1136 ioc->error_info = *(c->err_info);
1061 /* Put the request on the tail of the request queue */ 1137 if (copy_to_user(argp, ioc, sizeof(*ioc))) {
1062 spin_lock_irqsave(CCISS_LOCK(ctlr), flags); 1138 cmd_free(host, c, 0);
1063 addQ(&host->reqQ, c); 1139 status = -EFAULT;
1064 host->Qdepth++; 1140 goto cleanup1;
1065 start_io(host); 1141 }
1066 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); 1142 if (ioc->Request.Type.Direction == XFER_READ) {
1067 wait_for_completion(&wait); 1143 /* Copy the data out of the buffer we created */
1068 /* unlock the buffers from DMA */ 1144 BYTE __user *ptr = ioc->buf;
1069 for(i=0; i<sg_used; i++) { 1145 for (i = 0; i < sg_used; i++) {
1070 temp64.val32.lower = c->SG[i].Addr.lower; 1146 if (copy_to_user
1071 temp64.val32.upper = c->SG[i].Addr.upper; 1147 (ptr, buff[i], buff_size[i])) {
1072 pci_unmap_single( host->pdev, (dma_addr_t) temp64.val, 1148 cmd_free(host, c, 0);
1073 buff_size[i], PCI_DMA_BIDIRECTIONAL); 1149 status = -EFAULT;
1074 } 1150 goto cleanup1;
1075 /* Copy the error information out */ 1151 }
1076 ioc->error_info = *(c->err_info); 1152 ptr += buff_size[i];
1077 if (copy_to_user(argp, ioc, sizeof(*ioc))) {
1078 cmd_free(host, c, 0);
1079 status = -EFAULT;
1080 goto cleanup1;
1081 }
1082 if (ioc->Request.Type.Direction == XFER_READ) {
1083 /* Copy the data out of the buffer we created */
1084 BYTE __user *ptr = ioc->buf;
1085 for(i=0; i< sg_used; i++) {
1086 if (copy_to_user(ptr, buff[i], buff_size[i])) {
1087 cmd_free(host, c, 0);
1088 status = -EFAULT;
1089 goto cleanup1;
1090 } 1153 }
1091 ptr += buff_size[i];
1092 } 1154 }
1155 cmd_free(host, c, 0);
1156 status = 0;
1157 cleanup1:
1158 if (buff) {
1159 for (i = 0; i < sg_used; i++)
1160 kfree(buff[i]);
1161 kfree(buff);
1162 }
1163 kfree(buff_size);
1164 kfree(ioc);
1165 return status;
1093 } 1166 }
1094 cmd_free(host, c, 0);
1095 status = 0;
1096cleanup1:
1097 if (buff) {
1098 for(i=0; i<sg_used; i++)
1099 kfree(buff[i]);
1100 kfree(buff);
1101 }
1102 kfree(buff_size);
1103 kfree(ioc);
1104 return status;
1105 }
1106 default: 1167 default:
1107 return -ENOTTY; 1168 return -ENOTTY;
1108 } 1169 }
1109
1110} 1170}
1111 1171
1112/* 1172/*
@@ -1125,17 +1185,17 @@ static int revalidate_allvol(ctlr_info_t *host)
1125 int ctlr = host->ctlr, i; 1185 int ctlr = host->ctlr, i;
1126 unsigned long flags; 1186 unsigned long flags;
1127 1187
1128 spin_lock_irqsave(CCISS_LOCK(ctlr), flags); 1188 spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
1129 if (host->usage_count > 1) { 1189 if (host->usage_count > 1) {
1130 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); 1190 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
1131 printk(KERN_WARNING "cciss: Device busy for volume" 1191 printk(KERN_WARNING "cciss: Device busy for volume"
1132 " revalidation (usage=%d)\n", host->usage_count); 1192 " revalidation (usage=%d)\n", host->usage_count);
1133 return -EBUSY; 1193 return -EBUSY;
1134 } 1194 }
1135 host->usage_count++; 1195 host->usage_count++;
1136 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); 1196 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
1137 1197
1138 for(i=0; i< NWD; i++) { 1198 for (i = 0; i < NWD; i++) {
1139 struct gendisk *disk = host->gendisk[i]; 1199 struct gendisk *disk = host->gendisk[i];
1140 if (disk) { 1200 if (disk) {
1141 request_queue_t *q = disk->queue; 1201 request_queue_t *q = disk->queue;
@@ -1147,22 +1207,22 @@ static int revalidate_allvol(ctlr_info_t *host)
1147 } 1207 }
1148 } 1208 }
1149 1209
1150 /* 1210 /*
1151 * Set the partition and block size structures for all volumes 1211 * Set the partition and block size structures for all volumes
1152 * on this controller to zero. We will reread all of this data 1212 * on this controller to zero. We will reread all of this data
1153 */ 1213 */
1154 memset(host->drv, 0, sizeof(drive_info_struct) 1214 memset(host->drv, 0, sizeof(drive_info_struct)
1155 * CISS_MAX_LUN); 1215 * CISS_MAX_LUN);
1156 /* 1216 /*
1157 * Tell the array controller not to give us any interrupts while 1217 * Tell the array controller not to give us any interrupts while
1158 * we check the new geometry. Then turn interrupts back on when 1218 * we check the new geometry. Then turn interrupts back on when
1159 * we're done. 1219 * we're done.
1160 */ 1220 */
1161 host->access.set_intr_mask(host, CCISS_INTR_OFF); 1221 host->access.set_intr_mask(host, CCISS_INTR_OFF);
1162 cciss_getgeometry(ctlr); 1222 cciss_getgeometry(ctlr);
1163 host->access.set_intr_mask(host, CCISS_INTR_ON); 1223 host->access.set_intr_mask(host, CCISS_INTR_ON);
1164 1224
1165 /* Loop through each real device */ 1225 /* Loop through each real device */
1166 for (i = 0; i < NWD; i++) { 1226 for (i = 0; i < NWD; i++) {
1167 struct gendisk *disk = host->gendisk[i]; 1227 struct gendisk *disk = host->gendisk[i];
1168 drive_info_struct *drv = &(host->drv[i]); 1228 drive_info_struct *drv = &(host->drv[i]);
@@ -1174,8 +1234,8 @@ static int revalidate_allvol(ctlr_info_t *host)
1174 set_capacity(disk, drv->nr_blocks); 1234 set_capacity(disk, drv->nr_blocks);
1175 add_disk(disk); 1235 add_disk(disk);
1176 } 1236 }
1177 host->usage_count--; 1237 host->usage_count--;
1178 return 0; 1238 return 0;
1179} 1239}
1180 1240
1181static inline void complete_buffers(struct bio *bio, int status) 1241static inline void complete_buffers(struct bio *bio, int status)
@@ -1189,7 +1249,6 @@ static inline void complete_buffers(struct bio *bio, int status)
1189 bio_endio(bio, nr_sectors << 9, status ? 0 : -EIO); 1249 bio_endio(bio, nr_sectors << 9, status ? 0 : -EIO);
1190 bio = xbh; 1250 bio = xbh;
1191 } 1251 }
1192
1193} 1252}
1194 1253
1195static void cciss_softirq_done(struct request *rq) 1254static void cciss_softirq_done(struct request *rq)
@@ -1207,7 +1266,7 @@ static void cciss_softirq_done(struct request *rq)
1207 1266
1208 /* command did not need to be retried */ 1267 /* command did not need to be retried */
1209 /* unmap the DMA mapping for all the scatter gather elements */ 1268 /* unmap the DMA mapping for all the scatter gather elements */
1210 for(i=0; i<cmd->Header.SGList; i++) { 1269 for (i = 0; i < cmd->Header.SGList; i++) {
1211 temp64.val32.lower = cmd->SG[i].Addr.lower; 1270 temp64.val32.lower = cmd->SG[i].Addr.lower;
1212 temp64.val32.upper = cmd->SG[i].Addr.upper; 1271 temp64.val32.upper = cmd->SG[i].Addr.upper;
1213 pci_unmap_page(h->pdev, temp64.val, cmd->SG[i].Len, ddir); 1272 pci_unmap_page(h->pdev, temp64.val, cmd->SG[i].Len, ddir);
@@ -1217,12 +1276,12 @@ static void cciss_softirq_done(struct request *rq)
1217 1276
1218#ifdef CCISS_DEBUG 1277#ifdef CCISS_DEBUG
1219 printk("Done with %p\n", rq); 1278 printk("Done with %p\n", rq);
1220#endif /* CCISS_DEBUG */ 1279#endif /* CCISS_DEBUG */
1221 1280
1222 add_disk_randomness(rq->rq_disk); 1281 add_disk_randomness(rq->rq_disk);
1223 spin_lock_irqsave(&h->lock, flags); 1282 spin_lock_irqsave(&h->lock, flags);
1224 end_that_request_last(rq, rq->errors); 1283 end_that_request_last(rq, rq->errors);
1225 cmd_free(h, cmd,1); 1284 cmd_free(h, cmd, 1);
1226 spin_unlock_irqrestore(&h->lock, flags); 1285 spin_unlock_irqrestore(&h->lock, flags);
1227} 1286}
1228 1287
@@ -1233,9 +1292,9 @@ static void cciss_softirq_done(struct request *rq)
1233 * will always be left registered with the kernel since it is also the 1292 * will always be left registered with the kernel since it is also the
1234 * controller node. Any changes to disk 0 will show up on the next 1293 * controller node. Any changes to disk 0 will show up on the next
1235 * reboot. 1294 * reboot.
1236*/ 1295 */
1237static void cciss_update_drive_info(int ctlr, int drv_index) 1296static void cciss_update_drive_info(int ctlr, int drv_index)
1238 { 1297{
1239 ctlr_info_t *h = hba[ctlr]; 1298 ctlr_info_t *h = hba[ctlr];
1240 struct gendisk *disk; 1299 struct gendisk *disk;
1241 ReadCapdata_struct *size_buff = NULL; 1300 ReadCapdata_struct *size_buff = NULL;
@@ -1245,13 +1304,13 @@ static void cciss_update_drive_info(int ctlr, int drv_index)
1245 unsigned long flags = 0; 1304 unsigned long flags = 0;
1246 int ret = 0; 1305 int ret = 0;
1247 1306
1248 /* if the disk already exists then deregister it before proceeding*/ 1307 /* if the disk already exists then deregister it before proceeding */
1249 if (h->drv[drv_index].raid_level != -1){ 1308 if (h->drv[drv_index].raid_level != -1) {
1250 spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); 1309 spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
1251 h->drv[drv_index].busy_configuring = 1; 1310 h->drv[drv_index].busy_configuring = 1;
1252 spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); 1311 spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
1253 ret = deregister_disk(h->gendisk[drv_index], 1312 ret = deregister_disk(h->gendisk[drv_index],
1254 &h->drv[drv_index], 0); 1313 &h->drv[drv_index], 0);
1255 h->drv[drv_index].busy_configuring = 0; 1314 h->drv[drv_index].busy_configuring = 0;
1256 } 1315 }
1257 1316
@@ -1259,27 +1318,25 @@ static void cciss_update_drive_info(int ctlr, int drv_index)
1259 if (ret) 1318 if (ret)
1260 return; 1319 return;
1261 1320
1262
1263 /* Get information about the disk and modify the driver structure */ 1321 /* Get information about the disk and modify the driver structure */
1264 size_buff = kmalloc(sizeof( ReadCapdata_struct), GFP_KERNEL); 1322 size_buff = kmalloc(sizeof(ReadCapdata_struct), GFP_KERNEL);
1265 if (size_buff == NULL) 1323 if (size_buff == NULL)
1266 goto mem_msg; 1324 goto mem_msg;
1267 inq_buff = kmalloc(sizeof( InquiryData_struct), GFP_KERNEL); 1325 inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL);
1268 if (inq_buff == NULL) 1326 if (inq_buff == NULL)
1269 goto mem_msg; 1327 goto mem_msg;
1270 1328
1271 cciss_read_capacity(ctlr, drv_index, size_buff, 1, 1329 cciss_read_capacity(ctlr, drv_index, size_buff, 1,
1272 &total_size, &block_size); 1330 &total_size, &block_size);
1273 cciss_geometry_inquiry(ctlr, drv_index, 1, total_size, block_size, 1331 cciss_geometry_inquiry(ctlr, drv_index, 1, total_size, block_size,
1274 inq_buff, &h->drv[drv_index]); 1332 inq_buff, &h->drv[drv_index]);
1275 1333
1276 ++h->num_luns; 1334 ++h->num_luns;
1277 disk = h->gendisk[drv_index]; 1335 disk = h->gendisk[drv_index];
1278 set_capacity(disk, h->drv[drv_index].nr_blocks); 1336 set_capacity(disk, h->drv[drv_index].nr_blocks);
1279 1337
1280
1281 /* if it's the controller it's already added */ 1338 /* if it's the controller it's already added */
1282 if (drv_index){ 1339 if (drv_index) {
1283 disk->queue = blk_init_queue(do_cciss_request, &h->lock); 1340 disk->queue = blk_init_queue(do_cciss_request, &h->lock);
1284 1341
1285 /* Set up queue information */ 1342 /* Set up queue information */
@@ -1299,17 +1356,17 @@ static void cciss_update_drive_info(int ctlr, int drv_index)
1299 disk->queue->queuedata = hba[ctlr]; 1356 disk->queue->queuedata = hba[ctlr];
1300 1357
1301 blk_queue_hardsect_size(disk->queue, 1358 blk_queue_hardsect_size(disk->queue,
1302 hba[ctlr]->drv[drv_index].block_size); 1359 hba[ctlr]->drv[drv_index].block_size);
1303 1360
1304 h->drv[drv_index].queue = disk->queue; 1361 h->drv[drv_index].queue = disk->queue;
1305 add_disk(disk); 1362 add_disk(disk);
1306 } 1363 }
1307 1364
1308freeret: 1365 freeret:
1309 kfree(size_buff); 1366 kfree(size_buff);
1310 kfree(inq_buff); 1367 kfree(inq_buff);
1311 return; 1368 return;
1312mem_msg: 1369 mem_msg:
1313 printk(KERN_ERR "cciss: out of memory\n"); 1370 printk(KERN_ERR "cciss: out of memory\n");
1314 goto freeret; 1371 goto freeret;
1315} 1372}
@@ -1319,13 +1376,13 @@ mem_msg:
1319 * where new drives will be added. If the index to be returned is greater 1376 * where new drives will be added. If the index to be returned is greater
1320 * than the highest_lun index for the controller then highest_lun is set 1377 * than the highest_lun index for the controller then highest_lun is set
1321 * to this new index. If there are no available indexes then -1 is returned. 1378 * to this new index. If there are no available indexes then -1 is returned.
1322*/ 1379 */
1323static int cciss_find_free_drive_index(int ctlr) 1380static int cciss_find_free_drive_index(int ctlr)
1324{ 1381{
1325 int i; 1382 int i;
1326 1383
1327 for (i=0; i < CISS_MAX_LUN; i++){ 1384 for (i = 0; i < CISS_MAX_LUN; i++) {
1328 if (hba[ctlr]->drv[i].raid_level == -1){ 1385 if (hba[ctlr]->drv[i].raid_level == -1) {
1329 if (i > hba[ctlr]->highest_lun) 1386 if (i > hba[ctlr]->highest_lun)
1330 hba[ctlr]->highest_lun = i; 1387 hba[ctlr]->highest_lun = i;
1331 return i; 1388 return i;
@@ -1343,7 +1400,7 @@ static int cciss_find_free_drive_index(int ctlr)
1343 * h = The controller to perform the operations on 1400 * h = The controller to perform the operations on
1344 * del_disk = The disk to remove if specified. If the value given 1401 * del_disk = The disk to remove if specified. If the value given
1345 * is NULL then no disk is removed. 1402 * is NULL then no disk is removed.
1346*/ 1403 */
1347static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk) 1404static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
1348{ 1405{
1349 int ctlr = h->ctlr; 1406 int ctlr = h->ctlr;
@@ -1360,12 +1417,12 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
1360 1417
1361 /* Set busy_configuring flag for this operation */ 1418 /* Set busy_configuring flag for this operation */
1362 spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); 1419 spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
1363 if (h->num_luns >= CISS_MAX_LUN){ 1420 if (h->num_luns >= CISS_MAX_LUN) {
1364 spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); 1421 spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
1365 return -EINVAL; 1422 return -EINVAL;
1366 } 1423 }
1367 1424
1368 if (h->busy_configuring){ 1425 if (h->busy_configuring) {
1369 spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); 1426 spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
1370 return -EBUSY; 1427 return -EBUSY;
1371 } 1428 }
@@ -1375,7 +1432,7 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
1375 * and update the logical drive table. If it is not NULL then 1432 * and update the logical drive table. If it is not NULL then
1376 * we will check if the disk is in use or not. 1433 * we will check if the disk is in use or not.
1377 */ 1434 */
1378 if (del_disk != NULL){ 1435 if (del_disk != NULL) {
1379 drv = get_drv(del_disk); 1436 drv = get_drv(del_disk);
1380 drv->busy_configuring = 1; 1437 drv->busy_configuring = 1;
1381 spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); 1438 spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
@@ -1393,61 +1450,67 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
1393 goto mem_msg; 1450 goto mem_msg;
1394 1451
1395 return_code = sendcmd_withirq(CISS_REPORT_LOG, ctlr, ld_buff, 1452 return_code = sendcmd_withirq(CISS_REPORT_LOG, ctlr, ld_buff,
1396 sizeof(ReportLunData_struct), 0, 0, 0, 1453 sizeof(ReportLunData_struct), 0,
1397 TYPE_CMD); 1454 0, 0, TYPE_CMD);
1398 1455
1399 if (return_code == IO_OK){ 1456 if (return_code == IO_OK) {
1400 listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[0])) << 24; 1457 listlength |=
1401 listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[1])) << 16; 1458 (0xff & (unsigned int)(ld_buff->LUNListLength[0]))
1402 listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[2])) << 8; 1459 << 24;
1403 listlength |= 0xff & (unsigned int)(ld_buff->LUNListLength[3]); 1460 listlength |=
1404 } else{ /* reading number of logical volumes failed */ 1461 (0xff & (unsigned int)(ld_buff->LUNListLength[1]))
1462 << 16;
1463 listlength |=
1464 (0xff & (unsigned int)(ld_buff->LUNListLength[2]))
1465 << 8;
1466 listlength |=
1467 0xff & (unsigned int)(ld_buff->LUNListLength[3]);
1468 } else { /* reading number of logical volumes failed */
1405 printk(KERN_WARNING "cciss: report logical volume" 1469 printk(KERN_WARNING "cciss: report logical volume"
1406 " command failed\n"); 1470 " command failed\n");
1407 listlength = 0; 1471 listlength = 0;
1408 goto freeret; 1472 goto freeret;
1409 } 1473 }
1410 1474
1411 num_luns = listlength / 8; /* 8 bytes per entry */ 1475 num_luns = listlength / 8; /* 8 bytes per entry */
1412 if (num_luns > CISS_MAX_LUN){ 1476 if (num_luns > CISS_MAX_LUN) {
1413 num_luns = CISS_MAX_LUN; 1477 num_luns = CISS_MAX_LUN;
1414 printk(KERN_WARNING "cciss: more luns configured" 1478 printk(KERN_WARNING "cciss: more luns configured"
1415 " on controller than can be handled by" 1479 " on controller than can be handled by"
1416 " this driver.\n"); 1480 " this driver.\n");
1417 } 1481 }
1418 1482
1419 /* Compare controller drive array to drivers drive array. 1483 /* Compare controller drive array to drivers drive array.
1420 * Check for updates in the drive information and any new drives 1484 * Check for updates in the drive information and any new drives
1421 * on the controller. 1485 * on the controller.
1422 */ 1486 */
1423 for (i=0; i < num_luns; i++){ 1487 for (i = 0; i < num_luns; i++) {
1424 int j; 1488 int j;
1425 1489
1426 drv_found = 0; 1490 drv_found = 0;
1427 1491
1428 lunid = (0xff & 1492 lunid = (0xff &
1429 (unsigned int)(ld_buff->LUN[i][3])) << 24; 1493 (unsigned int)(ld_buff->LUN[i][3])) << 24;
1430 lunid |= (0xff & 1494 lunid |= (0xff &
1431 (unsigned int)(ld_buff->LUN[i][2])) << 16; 1495 (unsigned int)(ld_buff->LUN[i][2])) << 16;
1432 lunid |= (0xff & 1496 lunid |= (0xff &
1433 (unsigned int)(ld_buff->LUN[i][1])) << 8; 1497 (unsigned int)(ld_buff->LUN[i][1])) << 8;
1434 lunid |= 0xff & 1498 lunid |= 0xff & (unsigned int)(ld_buff->LUN[i][0]);
1435 (unsigned int)(ld_buff->LUN[i][0]);
1436 1499
1437 /* Find if the LUN is already in the drive array 1500 /* Find if the LUN is already in the drive array
1438 * of the controller. If so then update its info 1501 * of the controller. If so then update its info
1439 * if not is use. If it does not exist then find 1502 * if not is use. If it does not exist then find
1440 * the first free index and add it. 1503 * the first free index and add it.
1441 */ 1504 */
1442 for (j=0; j <= h->highest_lun; j++){ 1505 for (j = 0; j <= h->highest_lun; j++) {
1443 if (h->drv[j].LunID == lunid){ 1506 if (h->drv[j].LunID == lunid) {
1444 drv_index = j; 1507 drv_index = j;
1445 drv_found = 1; 1508 drv_found = 1;
1446 } 1509 }
1447 } 1510 }
1448 1511
1449 /* check if the drive was found already in the array */ 1512 /* check if the drive was found already in the array */
1450 if (!drv_found){ 1513 if (!drv_found) {
1451 drv_index = cciss_find_free_drive_index(ctlr); 1514 drv_index = cciss_find_free_drive_index(ctlr);
1452 if (drv_index == -1) 1515 if (drv_index == -1)
1453 goto freeret; 1516 goto freeret;
@@ -1455,18 +1518,18 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
1455 } 1518 }
1456 h->drv[drv_index].LunID = lunid; 1519 h->drv[drv_index].LunID = lunid;
1457 cciss_update_drive_info(ctlr, drv_index); 1520 cciss_update_drive_info(ctlr, drv_index);
1458 } /* end for */ 1521 } /* end for */
1459 } /* end else */ 1522 } /* end else */
1460 1523
1461freeret: 1524 freeret:
1462 kfree(ld_buff); 1525 kfree(ld_buff);
1463 h->busy_configuring = 0; 1526 h->busy_configuring = 0;
1464 /* We return -1 here to tell the ACU that we have registered/updated 1527 /* We return -1 here to tell the ACU that we have registered/updated
1465 * all of the drives that we can and to keep it from calling us 1528 * all of the drives that we can and to keep it from calling us
1466 * additional times. 1529 * additional times.
1467 */ 1530 */
1468 return -1; 1531 return -1;
1469mem_msg: 1532 mem_msg:
1470 printk(KERN_ERR "cciss: out of memory\n"); 1533 printk(KERN_ERR "cciss: out of memory\n");
1471 goto freeret; 1534 goto freeret;
1472} 1535}
@@ -1495,19 +1558,17 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
1495 return -EPERM; 1558 return -EPERM;
1496 1559
1497 /* make sure logical volume is NOT is use */ 1560 /* make sure logical volume is NOT is use */
1498 if(clear_all || (h->gendisk[0] == disk)) { 1561 if (clear_all || (h->gendisk[0] == disk)) {
1499 if (drv->usage_count > 1) 1562 if (drv->usage_count > 1)
1500 return -EBUSY; 1563 return -EBUSY;
1501 } 1564 } else if (drv->usage_count > 0)
1502 else 1565 return -EBUSY;
1503 if( drv->usage_count > 0 )
1504 return -EBUSY;
1505 1566
1506 /* invalidate the devices and deregister the disk. If it is disk 1567 /* invalidate the devices and deregister the disk. If it is disk
1507 * zero do not deregister it but just zero out it's values. This 1568 * zero do not deregister it but just zero out it's values. This
1508 * allows us to delete disk zero but keep the controller registered. 1569 * allows us to delete disk zero but keep the controller registered.
1509 */ 1570 */
1510 if (h->gendisk[0] != disk){ 1571 if (h->gendisk[0] != disk) {
1511 if (disk) { 1572 if (disk) {
1512 request_queue_t *q = disk->queue; 1573 request_queue_t *q = disk->queue;
1513 if (disk->flags & GENHD_FL_UP) 1574 if (disk->flags & GENHD_FL_UP)
@@ -1529,91 +1590,90 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
1529 drv->raid_level = -1; /* This can be used as a flag variable to 1590 drv->raid_level = -1; /* This can be used as a flag variable to
1530 * indicate that this element of the drive 1591 * indicate that this element of the drive
1531 * array is free. 1592 * array is free.
1532 */ 1593 */
1533 1594
1534 if (clear_all){ 1595 if (clear_all) {
1535 /* check to see if it was the last disk */ 1596 /* check to see if it was the last disk */
1536 if (drv == h->drv + h->highest_lun) { 1597 if (drv == h->drv + h->highest_lun) {
1537 /* if so, find the new hightest lun */ 1598 /* if so, find the new hightest lun */
1538 int i, newhighest =-1; 1599 int i, newhighest = -1;
1539 for(i=0; i<h->highest_lun; i++) { 1600 for (i = 0; i < h->highest_lun; i++) {
1540 /* if the disk has size > 0, it is available */ 1601 /* if the disk has size > 0, it is available */
1541 if (h->drv[i].heads) 1602 if (h->drv[i].heads)
1542 newhighest = i; 1603 newhighest = i;
1604 }
1605 h->highest_lun = newhighest;
1543 } 1606 }
1544 h->highest_lun = newhighest;
1545 }
1546 1607
1547 drv->LunID = 0; 1608 drv->LunID = 0;
1548 } 1609 }
1549 return 0; 1610 return 0;
1550} 1611}
1551 1612
1552static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff, 1613static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff, size_t size, unsigned int use_unit_num, /* 0: address the controller,
1553 size_t size, 1614 1: address logical volume log_unit,
1554 unsigned int use_unit_num, /* 0: address the controller, 1615 2: periph device address is scsi3addr */
1555 1: address logical volume log_unit, 1616 unsigned int log_unit, __u8 page_code,
1556 2: periph device address is scsi3addr */ 1617 unsigned char *scsi3addr, int cmd_type)
1557 unsigned int log_unit, __u8 page_code, unsigned char *scsi3addr,
1558 int cmd_type)
1559{ 1618{
1560 ctlr_info_t *h= hba[ctlr]; 1619 ctlr_info_t *h = hba[ctlr];
1561 u64bit buff_dma_handle; 1620 u64bit buff_dma_handle;
1562 int status = IO_OK; 1621 int status = IO_OK;
1563 1622
1564 c->cmd_type = CMD_IOCTL_PEND; 1623 c->cmd_type = CMD_IOCTL_PEND;
1565 c->Header.ReplyQueue = 0; 1624 c->Header.ReplyQueue = 0;
1566 if( buff != NULL) { 1625 if (buff != NULL) {
1567 c->Header.SGList = 1; 1626 c->Header.SGList = 1;
1568 c->Header.SGTotal= 1; 1627 c->Header.SGTotal = 1;
1569 } else { 1628 } else {
1570 c->Header.SGList = 0; 1629 c->Header.SGList = 0;
1571 c->Header.SGTotal= 0; 1630 c->Header.SGTotal = 0;
1572 } 1631 }
1573 c->Header.Tag.lower = c->busaddr; 1632 c->Header.Tag.lower = c->busaddr;
1574 1633
1575 c->Request.Type.Type = cmd_type; 1634 c->Request.Type.Type = cmd_type;
1576 if (cmd_type == TYPE_CMD) { 1635 if (cmd_type == TYPE_CMD) {
1577 switch(cmd) { 1636 switch (cmd) {
1578 case CISS_INQUIRY: 1637 case CISS_INQUIRY:
1579 /* If the logical unit number is 0 then, this is going 1638 /* If the logical unit number is 0 then, this is going
1580 to controller so It's a physical command 1639 to controller so It's a physical command
1581 mode = 0 target = 0. So we have nothing to write. 1640 mode = 0 target = 0. So we have nothing to write.
1582 otherwise, if use_unit_num == 1, 1641 otherwise, if use_unit_num == 1,
1583 mode = 1(volume set addressing) target = LUNID 1642 mode = 1(volume set addressing) target = LUNID
1584 otherwise, if use_unit_num == 2, 1643 otherwise, if use_unit_num == 2,
1585 mode = 0(periph dev addr) target = scsi3addr */ 1644 mode = 0(periph dev addr) target = scsi3addr */
1586 if (use_unit_num == 1) { 1645 if (use_unit_num == 1) {
1587 c->Header.LUN.LogDev.VolId= 1646 c->Header.LUN.LogDev.VolId =
1588 h->drv[log_unit].LunID; 1647 h->drv[log_unit].LunID;
1589 c->Header.LUN.LogDev.Mode = 1; 1648 c->Header.LUN.LogDev.Mode = 1;
1590 } else if (use_unit_num == 2) { 1649 } else if (use_unit_num == 2) {
1591 memcpy(c->Header.LUN.LunAddrBytes,scsi3addr,8); 1650 memcpy(c->Header.LUN.LunAddrBytes, scsi3addr,
1651 8);
1592 c->Header.LUN.LogDev.Mode = 0; 1652 c->Header.LUN.LogDev.Mode = 0;
1593 } 1653 }
1594 /* are we trying to read a vital product page */ 1654 /* are we trying to read a vital product page */
1595 if(page_code != 0) { 1655 if (page_code != 0) {
1596 c->Request.CDB[1] = 0x01; 1656 c->Request.CDB[1] = 0x01;
1597 c->Request.CDB[2] = page_code; 1657 c->Request.CDB[2] = page_code;
1598 } 1658 }
1599 c->Request.CDBLen = 6; 1659 c->Request.CDBLen = 6;
1600 c->Request.Type.Attribute = ATTR_SIMPLE; 1660 c->Request.Type.Attribute = ATTR_SIMPLE;
1601 c->Request.Type.Direction = XFER_READ; 1661 c->Request.Type.Direction = XFER_READ;
1602 c->Request.Timeout = 0; 1662 c->Request.Timeout = 0;
1603 c->Request.CDB[0] = CISS_INQUIRY; 1663 c->Request.CDB[0] = CISS_INQUIRY;
1604 c->Request.CDB[4] = size & 0xFF; 1664 c->Request.CDB[4] = size & 0xFF;
1605 break; 1665 break;
1606 case CISS_REPORT_LOG: 1666 case CISS_REPORT_LOG:
1607 case CISS_REPORT_PHYS: 1667 case CISS_REPORT_PHYS:
1608 /* Talking to controller so It's a physical command 1668 /* Talking to controller so It's a physical command
1609 mode = 00 target = 0. Nothing to write. 1669 mode = 00 target = 0. Nothing to write.
1610 */ 1670 */
1611 c->Request.CDBLen = 12; 1671 c->Request.CDBLen = 12;
1612 c->Request.Type.Attribute = ATTR_SIMPLE; 1672 c->Request.Type.Attribute = ATTR_SIMPLE;
1613 c->Request.Type.Direction = XFER_READ; 1673 c->Request.Type.Direction = XFER_READ;
1614 c->Request.Timeout = 0; 1674 c->Request.Timeout = 0;
1615 c->Request.CDB[0] = cmd; 1675 c->Request.CDB[0] = cmd;
1616 c->Request.CDB[6] = (size >> 24) & 0xFF; //MSB 1676 c->Request.CDB[6] = (size >> 24) & 0xFF; //MSB
1617 c->Request.CDB[7] = (size >> 16) & 0xFF; 1677 c->Request.CDB[7] = (size >> 16) & 0xFF;
1618 c->Request.CDB[8] = (size >> 8) & 0xFF; 1678 c->Request.CDB[8] = (size >> 8) & 0xFF;
1619 c->Request.CDB[9] = size & 0xFF; 1679 c->Request.CDB[9] = size & 0xFF;
@@ -1627,7 +1687,7 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff,
1627 c->Request.Type.Direction = XFER_READ; 1687 c->Request.Type.Direction = XFER_READ;
1628 c->Request.Timeout = 0; 1688 c->Request.Timeout = 0;
1629 c->Request.CDB[0] = cmd; 1689 c->Request.CDB[0] = cmd;
1630 break; 1690 break;
1631 case CCISS_CACHE_FLUSH: 1691 case CCISS_CACHE_FLUSH:
1632 c->Request.CDBLen = 12; 1692 c->Request.CDBLen = 12;
1633 c->Request.Type.Attribute = ATTR_SIMPLE; 1693 c->Request.Type.Attribute = ATTR_SIMPLE;
@@ -1635,32 +1695,32 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff,
1635 c->Request.Timeout = 0; 1695 c->Request.Timeout = 0;
1636 c->Request.CDB[0] = BMIC_WRITE; 1696 c->Request.CDB[0] = BMIC_WRITE;
1637 c->Request.CDB[6] = BMIC_CACHE_FLUSH; 1697 c->Request.CDB[6] = BMIC_CACHE_FLUSH;
1638 break; 1698 break;
1639 default: 1699 default:
1640 printk(KERN_WARNING 1700 printk(KERN_WARNING
1641 "cciss%d: Unknown Command 0x%c\n", ctlr, cmd); 1701 "cciss%d: Unknown Command 0x%c\n", ctlr, cmd);
1642 return IO_ERROR; 1702 return IO_ERROR;
1643 } 1703 }
1644 } else if (cmd_type == TYPE_MSG) { 1704 } else if (cmd_type == TYPE_MSG) {
1645 switch (cmd) { 1705 switch (cmd) {
1646 case 0: /* ABORT message */ 1706 case 0: /* ABORT message */
1647 c->Request.CDBLen = 12; 1707 c->Request.CDBLen = 12;
1648 c->Request.Type.Attribute = ATTR_SIMPLE; 1708 c->Request.Type.Attribute = ATTR_SIMPLE;
1649 c->Request.Type.Direction = XFER_WRITE; 1709 c->Request.Type.Direction = XFER_WRITE;
1650 c->Request.Timeout = 0; 1710 c->Request.Timeout = 0;
1651 c->Request.CDB[0] = cmd; /* abort */ 1711 c->Request.CDB[0] = cmd; /* abort */
1652 c->Request.CDB[1] = 0; /* abort a command */ 1712 c->Request.CDB[1] = 0; /* abort a command */
1653 /* buff contains the tag of the command to abort */ 1713 /* buff contains the tag of the command to abort */
1654 memcpy(&c->Request.CDB[4], buff, 8); 1714 memcpy(&c->Request.CDB[4], buff, 8);
1655 break; 1715 break;
1656 case 1: /* RESET message */ 1716 case 1: /* RESET message */
1657 c->Request.CDBLen = 12; 1717 c->Request.CDBLen = 12;
1658 c->Request.Type.Attribute = ATTR_SIMPLE; 1718 c->Request.Type.Attribute = ATTR_SIMPLE;
1659 c->Request.Type.Direction = XFER_WRITE; 1719 c->Request.Type.Direction = XFER_WRITE;
1660 c->Request.Timeout = 0; 1720 c->Request.Timeout = 0;
1661 memset(&c->Request.CDB[0], 0, sizeof(c->Request.CDB)); 1721 memset(&c->Request.CDB[0], 0, sizeof(c->Request.CDB));
1662 c->Request.CDB[0] = cmd; /* reset */ 1722 c->Request.CDB[0] = cmd; /* reset */
1663 c->Request.CDB[1] = 0x04; /* reset a LUN */ 1723 c->Request.CDB[1] = 0x04; /* reset a LUN */
1664 case 3: /* No-Op message */ 1724 case 3: /* No-Op message */
1665 c->Request.CDBLen = 1; 1725 c->Request.CDBLen = 1;
1666 c->Request.Type.Attribute = ATTR_SIMPLE; 1726 c->Request.Type.Attribute = ATTR_SIMPLE;
@@ -1670,168 +1730,164 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff,
1670 break; 1730 break;
1671 default: 1731 default:
1672 printk(KERN_WARNING 1732 printk(KERN_WARNING
1673 "cciss%d: unknown message type %d\n", 1733 "cciss%d: unknown message type %d\n", ctlr, cmd);
1674 ctlr, cmd);
1675 return IO_ERROR; 1734 return IO_ERROR;
1676 } 1735 }
1677 } else { 1736 } else {
1678 printk(KERN_WARNING 1737 printk(KERN_WARNING
1679 "cciss%d: unknown command type %d\n", ctlr, cmd_type); 1738 "cciss%d: unknown command type %d\n", ctlr, cmd_type);
1680 return IO_ERROR; 1739 return IO_ERROR;
1681 } 1740 }
1682 /* Fill in the scatter gather information */ 1741 /* Fill in the scatter gather information */
1683 if (size > 0) { 1742 if (size > 0) {
1684 buff_dma_handle.val = (__u64) pci_map_single(h->pdev, 1743 buff_dma_handle.val = (__u64) pci_map_single(h->pdev,
1685 buff, size, PCI_DMA_BIDIRECTIONAL); 1744 buff, size,
1745 PCI_DMA_BIDIRECTIONAL);
1686 c->SG[0].Addr.lower = buff_dma_handle.val32.lower; 1746 c->SG[0].Addr.lower = buff_dma_handle.val32.lower;
1687 c->SG[0].Addr.upper = buff_dma_handle.val32.upper; 1747 c->SG[0].Addr.upper = buff_dma_handle.val32.upper;
1688 c->SG[0].Len = size; 1748 c->SG[0].Len = size;
1689 c->SG[0].Ext = 0; /* we are not chaining */ 1749 c->SG[0].Ext = 0; /* we are not chaining */
1690 } 1750 }
1691 return status; 1751 return status;
1692} 1752}
1693static int sendcmd_withirq(__u8 cmd, 1753
1694 int ctlr, 1754static int sendcmd_withirq(__u8 cmd,
1695 void *buff, 1755 int ctlr,
1696 size_t size, 1756 void *buff,
1697 unsigned int use_unit_num, 1757 size_t size,
1698 unsigned int log_unit, 1758 unsigned int use_unit_num,
1699 __u8 page_code, 1759 unsigned int log_unit, __u8 page_code, int cmd_type)
1700 int cmd_type)
1701{ 1760{
1702 ctlr_info_t *h = hba[ctlr]; 1761 ctlr_info_t *h = hba[ctlr];
1703 CommandList_struct *c; 1762 CommandList_struct *c;
1704 u64bit buff_dma_handle; 1763 u64bit buff_dma_handle;
1705 unsigned long flags; 1764 unsigned long flags;
1706 int return_status; 1765 int return_status;
1707 DECLARE_COMPLETION(wait); 1766 DECLARE_COMPLETION(wait);
1708 1767
1709 if ((c = cmd_alloc(h , 0)) == NULL) 1768 if ((c = cmd_alloc(h, 0)) == NULL)
1710 return -ENOMEM; 1769 return -ENOMEM;
1711 return_status = fill_cmd(c, cmd, ctlr, buff, size, use_unit_num, 1770 return_status = fill_cmd(c, cmd, ctlr, buff, size, use_unit_num,
1712 log_unit, page_code, NULL, cmd_type); 1771 log_unit, page_code, NULL, cmd_type);
1713 if (return_status != IO_OK) { 1772 if (return_status != IO_OK) {
1714 cmd_free(h, c, 0); 1773 cmd_free(h, c, 0);
1715 return return_status; 1774 return return_status;
1716 } 1775 }
1717resend_cmd2: 1776 resend_cmd2:
1718 c->waiting = &wait; 1777 c->waiting = &wait;
1719 1778
1720 /* Put the request on the tail of the queue and send it */ 1779 /* Put the request on the tail of the queue and send it */
1721 spin_lock_irqsave(CCISS_LOCK(ctlr), flags); 1780 spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
1722 addQ(&h->reqQ, c); 1781 addQ(&h->reqQ, c);
1723 h->Qdepth++; 1782 h->Qdepth++;
1724 start_io(h); 1783 start_io(h);
1725 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); 1784 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
1726 1785
1727 wait_for_completion(&wait); 1786 wait_for_completion(&wait);
1728 1787
1729 if(c->err_info->CommandStatus != 0) 1788 if (c->err_info->CommandStatus != 0) { /* an error has occurred */
1730 { /* an error has occurred */ 1789 switch (c->err_info->CommandStatus) {
1731 switch(c->err_info->CommandStatus) 1790 case CMD_TARGET_STATUS:
1732 { 1791 printk(KERN_WARNING "cciss: cmd %p has "
1733 case CMD_TARGET_STATUS: 1792 " completed with errors\n", c);
1734 printk(KERN_WARNING "cciss: cmd %p has " 1793 if (c->err_info->ScsiStatus) {
1735 " completed with errors\n", c); 1794 printk(KERN_WARNING "cciss: cmd %p "
1736 if( c->err_info->ScsiStatus) 1795 "has SCSI Status = %x\n",
1737 { 1796 c, c->err_info->ScsiStatus);
1738 printk(KERN_WARNING "cciss: cmd %p " 1797 }
1739 "has SCSI Status = %x\n",
1740 c,
1741 c->err_info->ScsiStatus);
1742 }
1743 1798
1744 break; 1799 break;
1745 case CMD_DATA_UNDERRUN: 1800 case CMD_DATA_UNDERRUN:
1746 case CMD_DATA_OVERRUN: 1801 case CMD_DATA_OVERRUN:
1747 /* expected for inquire and report lun commands */ 1802 /* expected for inquire and report lun commands */
1748 break; 1803 break;
1749 case CMD_INVALID: 1804 case CMD_INVALID:
1750 printk(KERN_WARNING "cciss: Cmd %p is " 1805 printk(KERN_WARNING "cciss: Cmd %p is "
1751 "reported invalid\n", c); 1806 "reported invalid\n", c);
1752 return_status = IO_ERROR; 1807 return_status = IO_ERROR;
1753 break; 1808 break;
1754 case CMD_PROTOCOL_ERR: 1809 case CMD_PROTOCOL_ERR:
1755 printk(KERN_WARNING "cciss: cmd %p has " 1810 printk(KERN_WARNING "cciss: cmd %p has "
1756 "protocol error \n", c); 1811 "protocol error \n", c);
1757 return_status = IO_ERROR; 1812 return_status = IO_ERROR;
1758 break;
1759case CMD_HARDWARE_ERR:
1760 printk(KERN_WARNING "cciss: cmd %p had "
1761 " hardware error\n", c);
1762 return_status = IO_ERROR;
1763 break;
1764 case CMD_CONNECTION_LOST:
1765 printk(KERN_WARNING "cciss: cmd %p had "
1766 "connection lost\n", c);
1767 return_status = IO_ERROR;
1768 break; 1813 break;
1769 case CMD_ABORTED: 1814 case CMD_HARDWARE_ERR:
1770 printk(KERN_WARNING "cciss: cmd %p was " 1815 printk(KERN_WARNING "cciss: cmd %p had "
1771 "aborted\n", c); 1816 " hardware error\n", c);
1772 return_status = IO_ERROR; 1817 return_status = IO_ERROR;
1773 break; 1818 break;
1774 case CMD_ABORT_FAILED: 1819 case CMD_CONNECTION_LOST:
1775 printk(KERN_WARNING "cciss: cmd %p reports " 1820 printk(KERN_WARNING "cciss: cmd %p had "
1776 "abort failed\n", c); 1821 "connection lost\n", c);
1777 return_status = IO_ERROR; 1822 return_status = IO_ERROR;
1778 break; 1823 break;
1779 case CMD_UNSOLICITED_ABORT: 1824 case CMD_ABORTED:
1780 printk(KERN_WARNING 1825 printk(KERN_WARNING "cciss: cmd %p was "
1781 "cciss%d: unsolicited abort %p\n", 1826 "aborted\n", c);
1782 ctlr, c); 1827 return_status = IO_ERROR;
1783 if (c->retry_count < MAX_CMD_RETRIES) {
1784 printk(KERN_WARNING
1785 "cciss%d: retrying %p\n",
1786 ctlr, c);
1787 c->retry_count++;
1788 /* erase the old error information */
1789 memset(c->err_info, 0,
1790 sizeof(ErrorInfo_struct));
1791 return_status = IO_OK;
1792 INIT_COMPLETION(wait);
1793 goto resend_cmd2;
1794 }
1795 return_status = IO_ERROR;
1796 break; 1828 break;
1797 default: 1829 case CMD_ABORT_FAILED:
1798 printk(KERN_WARNING "cciss: cmd %p returned " 1830 printk(KERN_WARNING "cciss: cmd %p reports "
1799 "unknown status %x\n", c, 1831 "abort failed\n", c);
1800 c->err_info->CommandStatus); 1832 return_status = IO_ERROR;
1801 return_status = IO_ERROR; 1833 break;
1834 case CMD_UNSOLICITED_ABORT:
1835 printk(KERN_WARNING
1836 "cciss%d: unsolicited abort %p\n", ctlr, c);
1837 if (c->retry_count < MAX_CMD_RETRIES) {
1838 printk(KERN_WARNING
1839 "cciss%d: retrying %p\n", ctlr, c);
1840 c->retry_count++;
1841 /* erase the old error information */
1842 memset(c->err_info, 0,
1843 sizeof(ErrorInfo_struct));
1844 return_status = IO_OK;
1845 INIT_COMPLETION(wait);
1846 goto resend_cmd2;
1847 }
1848 return_status = IO_ERROR;
1849 break;
1850 default:
1851 printk(KERN_WARNING "cciss: cmd %p returned "
1852 "unknown status %x\n", c,
1853 c->err_info->CommandStatus);
1854 return_status = IO_ERROR;
1802 } 1855 }
1803 } 1856 }
1804 /* unlock the buffers from DMA */ 1857 /* unlock the buffers from DMA */
1805 buff_dma_handle.val32.lower = c->SG[0].Addr.lower; 1858 buff_dma_handle.val32.lower = c->SG[0].Addr.lower;
1806 buff_dma_handle.val32.upper = c->SG[0].Addr.upper; 1859 buff_dma_handle.val32.upper = c->SG[0].Addr.upper;
1807 pci_unmap_single( h->pdev, (dma_addr_t) buff_dma_handle.val, 1860 pci_unmap_single(h->pdev, (dma_addr_t) buff_dma_handle.val,
1808 c->SG[0].Len, PCI_DMA_BIDIRECTIONAL); 1861 c->SG[0].Len, PCI_DMA_BIDIRECTIONAL);
1809 cmd_free(h, c, 0); 1862 cmd_free(h, c, 0);
1810 return return_status; 1863 return return_status;
1811
1812} 1864}
1865
1813static void cciss_geometry_inquiry(int ctlr, int logvol, 1866static void cciss_geometry_inquiry(int ctlr, int logvol,
1814 int withirq, unsigned int total_size, 1867 int withirq, unsigned int total_size,
1815 unsigned int block_size, InquiryData_struct *inq_buff, 1868 unsigned int block_size,
1816 drive_info_struct *drv) 1869 InquiryData_struct *inq_buff,
1870 drive_info_struct *drv)
1817{ 1871{
1818 int return_code; 1872 int return_code;
1819 memset(inq_buff, 0, sizeof(InquiryData_struct)); 1873 memset(inq_buff, 0, sizeof(InquiryData_struct));
1820 if (withirq) 1874 if (withirq)
1821 return_code = sendcmd_withirq(CISS_INQUIRY, ctlr, 1875 return_code = sendcmd_withirq(CISS_INQUIRY, ctlr,
1822 inq_buff, sizeof(*inq_buff), 1, logvol ,0xC1, TYPE_CMD); 1876 inq_buff, sizeof(*inq_buff), 1,
1877 logvol, 0xC1, TYPE_CMD);
1823 else 1878 else
1824 return_code = sendcmd(CISS_INQUIRY, ctlr, inq_buff, 1879 return_code = sendcmd(CISS_INQUIRY, ctlr, inq_buff,
1825 sizeof(*inq_buff), 1, logvol ,0xC1, NULL, TYPE_CMD); 1880 sizeof(*inq_buff), 1, logvol, 0xC1, NULL,
1881 TYPE_CMD);
1826 if (return_code == IO_OK) { 1882 if (return_code == IO_OK) {
1827 if(inq_buff->data_byte[8] == 0xFF) { 1883 if (inq_buff->data_byte[8] == 0xFF) {
1828 printk(KERN_WARNING 1884 printk(KERN_WARNING
1829 "cciss: reading geometry failed, volume " 1885 "cciss: reading geometry failed, volume "
1830 "does not support reading geometry\n"); 1886 "does not support reading geometry\n");
1831 drv->block_size = block_size; 1887 drv->block_size = block_size;
1832 drv->nr_blocks = total_size; 1888 drv->nr_blocks = total_size;
1833 drv->heads = 255; 1889 drv->heads = 255;
1834 drv->sectors = 32; // Sectors per track 1890 drv->sectors = 32; // Sectors per track
1835 drv->cylinders = total_size / 255 / 32; 1891 drv->cylinders = total_size / 255 / 32;
1836 } else { 1892 } else {
1837 unsigned int t; 1893 unsigned int t;
@@ -1845,37 +1901,42 @@ static void cciss_geometry_inquiry(int ctlr, int logvol,
1845 drv->raid_level = inq_buff->data_byte[8]; 1901 drv->raid_level = inq_buff->data_byte[8];
1846 t = drv->heads * drv->sectors; 1902 t = drv->heads * drv->sectors;
1847 if (t > 1) { 1903 if (t > 1) {
1848 drv->cylinders = total_size/t; 1904 drv->cylinders = total_size / t;
1849 } 1905 }
1850 } 1906 }
1851 } else { /* Get geometry failed */ 1907 } else { /* Get geometry failed */
1852 printk(KERN_WARNING "cciss: reading geometry failed\n"); 1908 printk(KERN_WARNING "cciss: reading geometry failed\n");
1853 } 1909 }
1854 printk(KERN_INFO " heads= %d, sectors= %d, cylinders= %d\n\n", 1910 printk(KERN_INFO " heads= %d, sectors= %d, cylinders= %d\n\n",
1855 drv->heads, drv->sectors, drv->cylinders); 1911 drv->heads, drv->sectors, drv->cylinders);
1856} 1912}
1913
1857static void 1914static void
1858cciss_read_capacity(int ctlr, int logvol, ReadCapdata_struct *buf, 1915cciss_read_capacity(int ctlr, int logvol, ReadCapdata_struct *buf,
1859 int withirq, unsigned int *total_size, unsigned int *block_size) 1916 int withirq, unsigned int *total_size,
1917 unsigned int *block_size)
1860{ 1918{
1861 int return_code; 1919 int return_code;
1862 memset(buf, 0, sizeof(*buf)); 1920 memset(buf, 0, sizeof(*buf));
1863 if (withirq) 1921 if (withirq)
1864 return_code = sendcmd_withirq(CCISS_READ_CAPACITY, 1922 return_code = sendcmd_withirq(CCISS_READ_CAPACITY,
1865 ctlr, buf, sizeof(*buf), 1, logvol, 0, TYPE_CMD); 1923 ctlr, buf, sizeof(*buf), 1,
1924 logvol, 0, TYPE_CMD);
1866 else 1925 else
1867 return_code = sendcmd(CCISS_READ_CAPACITY, 1926 return_code = sendcmd(CCISS_READ_CAPACITY,
1868 ctlr, buf, sizeof(*buf), 1, logvol, 0, NULL, TYPE_CMD); 1927 ctlr, buf, sizeof(*buf), 1, logvol, 0,
1928 NULL, TYPE_CMD);
1869 if (return_code == IO_OK) { 1929 if (return_code == IO_OK) {
1870 *total_size = be32_to_cpu(*((__be32 *) &buf->total_size[0]))+1; 1930 *total_size =
1871 *block_size = be32_to_cpu(*((__be32 *) &buf->block_size[0])); 1931 be32_to_cpu(*((__be32 *) & buf->total_size[0])) + 1;
1872 } else { /* read capacity command failed */ 1932 *block_size = be32_to_cpu(*((__be32 *) & buf->block_size[0]));
1933 } else { /* read capacity command failed */
1873 printk(KERN_WARNING "cciss: read capacity failed\n"); 1934 printk(KERN_WARNING "cciss: read capacity failed\n");
1874 *total_size = 0; 1935 *total_size = 0;
1875 *block_size = BLOCK_SIZE; 1936 *block_size = BLOCK_SIZE;
1876 } 1937 }
1877 printk(KERN_INFO " blocks= %u block_size= %d\n", 1938 printk(KERN_INFO " blocks= %u block_size= %d\n",
1878 *total_size, *block_size); 1939 *total_size, *block_size);
1879 return; 1940 return;
1880} 1941}
1881 1942
@@ -1884,38 +1945,38 @@ static int cciss_revalidate(struct gendisk *disk)
1884 ctlr_info_t *h = get_host(disk); 1945 ctlr_info_t *h = get_host(disk);
1885 drive_info_struct *drv = get_drv(disk); 1946 drive_info_struct *drv = get_drv(disk);
1886 int logvol; 1947 int logvol;
1887 int FOUND=0; 1948 int FOUND = 0;
1888 unsigned int block_size; 1949 unsigned int block_size;
1889 unsigned int total_size; 1950 unsigned int total_size;
1890 ReadCapdata_struct *size_buff = NULL; 1951 ReadCapdata_struct *size_buff = NULL;
1891 InquiryData_struct *inq_buff = NULL; 1952 InquiryData_struct *inq_buff = NULL;
1892 1953
1893 for(logvol=0; logvol < CISS_MAX_LUN; logvol++) 1954 for (logvol = 0; logvol < CISS_MAX_LUN; logvol++) {
1894 { 1955 if (h->drv[logvol].LunID == drv->LunID) {
1895 if(h->drv[logvol].LunID == drv->LunID) { 1956 FOUND = 1;
1896 FOUND=1;
1897 break; 1957 break;
1898 } 1958 }
1899 } 1959 }
1900 1960
1901 if (!FOUND) return 1; 1961 if (!FOUND)
1962 return 1;
1902 1963
1903 size_buff = kmalloc(sizeof( ReadCapdata_struct), GFP_KERNEL); 1964 size_buff = kmalloc(sizeof(ReadCapdata_struct), GFP_KERNEL);
1904 if (size_buff == NULL) 1965 if (size_buff == NULL) {
1905 { 1966 printk(KERN_WARNING "cciss: out of memory\n");
1906 printk(KERN_WARNING "cciss: out of memory\n"); 1967 return 1;
1907 return 1; 1968 }
1908 } 1969 inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL);
1909 inq_buff = kmalloc(sizeof( InquiryData_struct), GFP_KERNEL); 1970 if (inq_buff == NULL) {
1910 if (inq_buff == NULL) 1971 printk(KERN_WARNING "cciss: out of memory\n");
1911 {
1912 printk(KERN_WARNING "cciss: out of memory\n");
1913 kfree(size_buff); 1972 kfree(size_buff);
1914 return 1; 1973 return 1;
1915 } 1974 }
1916 1975
1917 cciss_read_capacity(h->ctlr, logvol, size_buff, 1, &total_size, &block_size); 1976 cciss_read_capacity(h->ctlr, logvol, size_buff, 1, &total_size,
1918 cciss_geometry_inquiry(h->ctlr, logvol, 1, total_size, block_size, inq_buff, drv); 1977 &block_size);
1978 cciss_geometry_inquiry(h->ctlr, logvol, 1, total_size, block_size,
1979 inq_buff, drv);
1919 1980
1920 blk_queue_hardsect_size(drv->queue, drv->block_size); 1981 blk_queue_hardsect_size(drv->queue, drv->block_size);
1921 set_capacity(disk, drv->nr_blocks); 1982 set_capacity(disk, drv->nr_blocks);
@@ -1951,28 +2012,28 @@ static unsigned long pollcomplete(int ctlr)
1951static int add_sendcmd_reject(__u8 cmd, int ctlr, unsigned long complete) 2012static int add_sendcmd_reject(__u8 cmd, int ctlr, unsigned long complete)
1952{ 2013{
1953 /* We get in here if sendcmd() is polling for completions 2014 /* We get in here if sendcmd() is polling for completions
1954 and gets some command back that it wasn't expecting -- 2015 and gets some command back that it wasn't expecting --
1955 something other than that which it just sent down. 2016 something other than that which it just sent down.
1956 Ordinarily, that shouldn't happen, but it can happen when 2017 Ordinarily, that shouldn't happen, but it can happen when
1957 the scsi tape stuff gets into error handling mode, and 2018 the scsi tape stuff gets into error handling mode, and
1958 starts using sendcmd() to try to abort commands and 2019 starts using sendcmd() to try to abort commands and
1959 reset tape drives. In that case, sendcmd may pick up 2020 reset tape drives. In that case, sendcmd may pick up
1960 completions of commands that were sent to logical drives 2021 completions of commands that were sent to logical drives
1961 through the block i/o system, or cciss ioctls completing, etc. 2022 through the block i/o system, or cciss ioctls completing, etc.
1962 In that case, we need to save those completions for later 2023 In that case, we need to save those completions for later
1963 processing by the interrupt handler. 2024 processing by the interrupt handler.
1964 */ 2025 */
1965 2026
1966#ifdef CONFIG_CISS_SCSI_TAPE 2027#ifdef CONFIG_CISS_SCSI_TAPE
1967 struct sendcmd_reject_list *srl = &hba[ctlr]->scsi_rejects; 2028 struct sendcmd_reject_list *srl = &hba[ctlr]->scsi_rejects;
1968 2029
1969 /* If it's not the scsi tape stuff doing error handling, (abort */ 2030 /* If it's not the scsi tape stuff doing error handling, (abort */
1970 /* or reset) then we don't expect anything weird. */ 2031 /* or reset) then we don't expect anything weird. */
1971 if (cmd != CCISS_RESET_MSG && cmd != CCISS_ABORT_MSG) { 2032 if (cmd != CCISS_RESET_MSG && cmd != CCISS_ABORT_MSG) {
1972#endif 2033#endif
1973 printk( KERN_WARNING "cciss cciss%d: SendCmd " 2034 printk(KERN_WARNING "cciss cciss%d: SendCmd "
1974 "Invalid command list address returned! (%lx)\n", 2035 "Invalid command list address returned! (%lx)\n",
1975 ctlr, complete); 2036 ctlr, complete);
1976 /* not much we can do. */ 2037 /* not much we can do. */
1977#ifdef CONFIG_CISS_SCSI_TAPE 2038#ifdef CONFIG_CISS_SCSI_TAPE
1978 return 1; 2039 return 1;
@@ -1983,7 +2044,7 @@ static int add_sendcmd_reject(__u8 cmd, int ctlr, unsigned long complete)
1983 if (srl->ncompletions >= (NR_CMDS + 2)) { 2044 if (srl->ncompletions >= (NR_CMDS + 2)) {
1984 /* Uh oh. No room to save it for later... */ 2045 /* Uh oh. No room to save it for later... */
1985 printk(KERN_WARNING "cciss%d: Sendcmd: Invalid command addr, " 2046 printk(KERN_WARNING "cciss%d: Sendcmd: Invalid command addr, "
1986 "reject list overflow, command lost!\n", ctlr); 2047 "reject list overflow, command lost!\n", ctlr);
1987 return 1; 2048 return 1;
1988 } 2049 }
1989 /* Save it for later */ 2050 /* Save it for later */
@@ -1994,26 +2055,19 @@ static int add_sendcmd_reject(__u8 cmd, int ctlr, unsigned long complete)
1994} 2055}
1995 2056
1996/* 2057/*
1997 * Send a command to the controller, and wait for it to complete. 2058 * Send a command to the controller, and wait for it to complete.
1998 * Only used at init time. 2059 * Only used at init time.
1999 */ 2060 */
2000static int sendcmd( 2061static int sendcmd(__u8 cmd, int ctlr, void *buff, size_t size, unsigned int use_unit_num, /* 0: address the controller,
2001 __u8 cmd, 2062 1: address logical volume log_unit,
2002 int ctlr, 2063 2: periph device address is scsi3addr */
2003 void *buff, 2064 unsigned int log_unit,
2004 size_t size, 2065 __u8 page_code, unsigned char *scsi3addr, int cmd_type)
2005 unsigned int use_unit_num, /* 0: address the controller,
2006 1: address logical volume log_unit,
2007 2: periph device address is scsi3addr */
2008 unsigned int log_unit,
2009 __u8 page_code,
2010 unsigned char *scsi3addr,
2011 int cmd_type)
2012{ 2066{
2013 CommandList_struct *c; 2067 CommandList_struct *c;
2014 int i; 2068 int i;
2015 unsigned long complete; 2069 unsigned long complete;
2016 ctlr_info_t *info_p= hba[ctlr]; 2070 ctlr_info_t *info_p = hba[ctlr];
2017 u64bit buff_dma_handle; 2071 u64bit buff_dma_handle;
2018 int status, done = 0; 2072 int status, done = 0;
2019 2073
@@ -2022,132 +2076,134 @@ static int sendcmd(
2022 return IO_ERROR; 2076 return IO_ERROR;
2023 } 2077 }
2024 status = fill_cmd(c, cmd, ctlr, buff, size, use_unit_num, 2078 status = fill_cmd(c, cmd, ctlr, buff, size, use_unit_num,
2025 log_unit, page_code, scsi3addr, cmd_type); 2079 log_unit, page_code, scsi3addr, cmd_type);
2026 if (status != IO_OK) { 2080 if (status != IO_OK) {
2027 cmd_free(info_p, c, 1); 2081 cmd_free(info_p, c, 1);
2028 return status; 2082 return status;
2029 } 2083 }
2030resend_cmd1: 2084 resend_cmd1:
2031 /* 2085 /*
2032 * Disable interrupt 2086 * Disable interrupt
2033 */ 2087 */
2034#ifdef CCISS_DEBUG 2088#ifdef CCISS_DEBUG
2035 printk(KERN_DEBUG "cciss: turning intr off\n"); 2089 printk(KERN_DEBUG "cciss: turning intr off\n");
2036#endif /* CCISS_DEBUG */ 2090#endif /* CCISS_DEBUG */
2037 info_p->access.set_intr_mask(info_p, CCISS_INTR_OFF); 2091 info_p->access.set_intr_mask(info_p, CCISS_INTR_OFF);
2038 2092
2039 /* Make sure there is room in the command FIFO */ 2093 /* Make sure there is room in the command FIFO */
2040 /* Actually it should be completely empty at this time */ 2094 /* Actually it should be completely empty at this time */
2041 /* unless we are in here doing error handling for the scsi */ 2095 /* unless we are in here doing error handling for the scsi */
2042 /* tape side of the driver. */ 2096 /* tape side of the driver. */
2043 for (i = 200000; i > 0; i--) 2097 for (i = 200000; i > 0; i--) {
2044 {
2045 /* if fifo isn't full go */ 2098 /* if fifo isn't full go */
2046 if (!(info_p->access.fifo_full(info_p))) 2099 if (!(info_p->access.fifo_full(info_p))) {
2047 { 2100
2048 2101 break;
2049 break; 2102 }
2050 } 2103 udelay(10);
2051 udelay(10); 2104 printk(KERN_WARNING "cciss cciss%d: SendCmd FIFO full,"
2052 printk(KERN_WARNING "cciss cciss%d: SendCmd FIFO full," 2105 " waiting!\n", ctlr);
2053 " waiting!\n", ctlr); 2106 }
2054 } 2107 /*
2055 /* 2108 * Send the cmd
2056 * Send the cmd 2109 */
2057 */ 2110 info_p->access.submit_command(info_p, c);
2058 info_p->access.submit_command(info_p, c);
2059 done = 0; 2111 done = 0;
2060 do { 2112 do {
2061 complete = pollcomplete(ctlr); 2113 complete = pollcomplete(ctlr);
2062 2114
2063#ifdef CCISS_DEBUG 2115#ifdef CCISS_DEBUG
2064 printk(KERN_DEBUG "cciss: command completed\n"); 2116 printk(KERN_DEBUG "cciss: command completed\n");
2065#endif /* CCISS_DEBUG */ 2117#endif /* CCISS_DEBUG */
2066 2118
2067 if (complete == 1) { 2119 if (complete == 1) {
2068 printk( KERN_WARNING 2120 printk(KERN_WARNING
2069 "cciss cciss%d: SendCmd Timeout out, " 2121 "cciss cciss%d: SendCmd Timeout out, "
2070 "No command list address returned!\n", 2122 "No command list address returned!\n", ctlr);
2071 ctlr);
2072 status = IO_ERROR; 2123 status = IO_ERROR;
2073 done = 1; 2124 done = 1;
2074 break; 2125 break;
2075 } 2126 }
2076 2127
2077 /* This will need to change for direct lookup completions */ 2128 /* This will need to change for direct lookup completions */
2078 if ( (complete & CISS_ERROR_BIT) 2129 if ((complete & CISS_ERROR_BIT)
2079 && (complete & ~CISS_ERROR_BIT) == c->busaddr) 2130 && (complete & ~CISS_ERROR_BIT) == c->busaddr) {
2080 { 2131 /* if data overrun or underun on Report command
2081 /* if data overrun or underun on Report command 2132 ignore it
2082 ignore it 2133 */
2083 */
2084 if (((c->Request.CDB[0] == CISS_REPORT_LOG) || 2134 if (((c->Request.CDB[0] == CISS_REPORT_LOG) ||
2085 (c->Request.CDB[0] == CISS_REPORT_PHYS) || 2135 (c->Request.CDB[0] == CISS_REPORT_PHYS) ||
2086 (c->Request.CDB[0] == CISS_INQUIRY)) && 2136 (c->Request.CDB[0] == CISS_INQUIRY)) &&
2087 ((c->err_info->CommandStatus == 2137 ((c->err_info->CommandStatus ==
2088 CMD_DATA_OVERRUN) || 2138 CMD_DATA_OVERRUN) ||
2089 (c->err_info->CommandStatus == 2139 (c->err_info->CommandStatus == CMD_DATA_UNDERRUN)
2090 CMD_DATA_UNDERRUN) 2140 )) {
2091 ))
2092 {
2093 complete = c->busaddr; 2141 complete = c->busaddr;
2094 } else { 2142 } else {
2095 if (c->err_info->CommandStatus == 2143 if (c->err_info->CommandStatus ==
2096 CMD_UNSOLICITED_ABORT) { 2144 CMD_UNSOLICITED_ABORT) {
2097 printk(KERN_WARNING "cciss%d: " 2145 printk(KERN_WARNING "cciss%d: "
2098 "unsolicited abort %p\n", 2146 "unsolicited abort %p\n",
2099 ctlr, c); 2147 ctlr, c);
2100 if (c->retry_count < MAX_CMD_RETRIES) { 2148 if (c->retry_count < MAX_CMD_RETRIES) {
2101 printk(KERN_WARNING 2149 printk(KERN_WARNING
2102 "cciss%d: retrying %p\n", 2150 "cciss%d: retrying %p\n",
2103 ctlr, c); 2151 ctlr, c);
2104 c->retry_count++; 2152 c->retry_count++;
2105 /* erase the old error */ 2153 /* erase the old error */
2106 /* information */ 2154 /* information */
2107 memset(c->err_info, 0, 2155 memset(c->err_info, 0,
2108 sizeof(ErrorInfo_struct)); 2156 sizeof
2157 (ErrorInfo_struct));
2109 goto resend_cmd1; 2158 goto resend_cmd1;
2110 } else { 2159 } else {
2111 printk(KERN_WARNING 2160 printk(KERN_WARNING
2112 "cciss%d: retried %p too " 2161 "cciss%d: retried %p too "
2113 "many times\n", ctlr, c); 2162 "many times\n", ctlr, c);
2114 status = IO_ERROR; 2163 status = IO_ERROR;
2115 goto cleanup1; 2164 goto cleanup1;
2116 } 2165 }
2117 } else if (c->err_info->CommandStatus == CMD_UNABORTABLE) { 2166 } else if (c->err_info->CommandStatus ==
2118 printk(KERN_WARNING "cciss%d: command could not be aborted.\n", ctlr); 2167 CMD_UNABORTABLE) {
2168 printk(KERN_WARNING
2169 "cciss%d: command could not be aborted.\n",
2170 ctlr);
2119 status = IO_ERROR; 2171 status = IO_ERROR;
2120 goto cleanup1; 2172 goto cleanup1;
2121 } 2173 }
2122 printk(KERN_WARNING "ciss ciss%d: sendcmd" 2174 printk(KERN_WARNING "ciss ciss%d: sendcmd"
2123 " Error %x \n", ctlr, 2175 " Error %x \n", ctlr,
2124 c->err_info->CommandStatus); 2176 c->err_info->CommandStatus);
2125 printk(KERN_WARNING "ciss ciss%d: sendcmd" 2177 printk(KERN_WARNING "ciss ciss%d: sendcmd"
2126 " offensive info\n" 2178 " offensive info\n"
2127 " size %x\n num %x value %x\n", ctlr, 2179 " size %x\n num %x value %x\n",
2128 c->err_info->MoreErrInfo.Invalid_Cmd.offense_size, 2180 ctlr,
2129 c->err_info->MoreErrInfo.Invalid_Cmd.offense_num, 2181 c->err_info->MoreErrInfo.Invalid_Cmd.
2130 c->err_info->MoreErrInfo.Invalid_Cmd.offense_value); 2182 offense_size,
2183 c->err_info->MoreErrInfo.Invalid_Cmd.
2184 offense_num,
2185 c->err_info->MoreErrInfo.Invalid_Cmd.
2186 offense_value);
2131 status = IO_ERROR; 2187 status = IO_ERROR;
2132 goto cleanup1; 2188 goto cleanup1;
2133 } 2189 }
2134 } 2190 }
2135 /* This will need changing for direct lookup completions */ 2191 /* This will need changing for direct lookup completions */
2136 if (complete != c->busaddr) { 2192 if (complete != c->busaddr) {
2137 if (add_sendcmd_reject(cmd, ctlr, complete) != 0) { 2193 if (add_sendcmd_reject(cmd, ctlr, complete) != 0) {
2138 BUG(); /* we are pretty much hosed if we get here. */ 2194 BUG(); /* we are pretty much hosed if we get here. */
2139 } 2195 }
2140 continue; 2196 continue;
2141 } else 2197 } else
2142 done = 1; 2198 done = 1;
2143 } while (!done); 2199 } while (!done);
2144 2200
2145cleanup1: 2201 cleanup1:
2146 /* unlock the data buffer from DMA */ 2202 /* unlock the data buffer from DMA */
2147 buff_dma_handle.val32.lower = c->SG[0].Addr.lower; 2203 buff_dma_handle.val32.lower = c->SG[0].Addr.lower;
2148 buff_dma_handle.val32.upper = c->SG[0].Addr.upper; 2204 buff_dma_handle.val32.upper = c->SG[0].Addr.upper;
2149 pci_unmap_single(info_p->pdev, (dma_addr_t) buff_dma_handle.val, 2205 pci_unmap_single(info_p->pdev, (dma_addr_t) buff_dma_handle.val,
2150 c->SG[0].Len, PCI_DMA_BIDIRECTIONAL); 2206 c->SG[0].Len, PCI_DMA_BIDIRECTIONAL);
2151#ifdef CONFIG_CISS_SCSI_TAPE 2207#ifdef CONFIG_CISS_SCSI_TAPE
2152 /* if we saved some commands for later, process them now. */ 2208 /* if we saved some commands for later, process them now. */
2153 if (info_p->scsi_rejects.ncompletions > 0) 2209 if (info_p->scsi_rejects.ncompletions > 0)
@@ -2155,179 +2211,171 @@ cleanup1:
2155#endif 2211#endif
2156 cmd_free(info_p, c, 1); 2212 cmd_free(info_p, c, 1);
2157 return status; 2213 return status;
2158} 2214}
2215
2159/* 2216/*
2160 * Map (physical) PCI mem into (virtual) kernel space 2217 * Map (physical) PCI mem into (virtual) kernel space
2161 */ 2218 */
2162static void __iomem *remap_pci_mem(ulong base, ulong size) 2219static void __iomem *remap_pci_mem(ulong base, ulong size)
2163{ 2220{
2164 ulong page_base = ((ulong) base) & PAGE_MASK; 2221 ulong page_base = ((ulong) base) & PAGE_MASK;
2165 ulong page_offs = ((ulong) base) - page_base; 2222 ulong page_offs = ((ulong) base) - page_base;
2166 void __iomem *page_remapped = ioremap(page_base, page_offs+size); 2223 void __iomem *page_remapped = ioremap(page_base, page_offs + size);
2167 2224
2168 return page_remapped ? (page_remapped + page_offs) : NULL; 2225 return page_remapped ? (page_remapped + page_offs) : NULL;
2169} 2226}
2170 2227
2171/* 2228/*
2172 * Takes jobs of the Q and sends them to the hardware, then puts it on 2229 * Takes jobs of the Q and sends them to the hardware, then puts it on
2173 * the Q to wait for completion. 2230 * the Q to wait for completion.
2174 */ 2231 */
2175static void start_io( ctlr_info_t *h) 2232static void start_io(ctlr_info_t *h)
2176{ 2233{
2177 CommandList_struct *c; 2234 CommandList_struct *c;
2178 2235
2179 while(( c = h->reqQ) != NULL ) 2236 while ((c = h->reqQ) != NULL) {
2180 {
2181 /* can't do anything if fifo is full */ 2237 /* can't do anything if fifo is full */
2182 if ((h->access.fifo_full(h))) { 2238 if ((h->access.fifo_full(h))) {
2183 printk(KERN_WARNING "cciss: fifo full\n"); 2239 printk(KERN_WARNING "cciss: fifo full\n");
2184 break; 2240 break;
2185 } 2241 }
2186 2242
2187 /* Get the first entry from the Request Q */ 2243 /* Get the first entry from the Request Q */
2188 removeQ(&(h->reqQ), c); 2244 removeQ(&(h->reqQ), c);
2189 h->Qdepth--; 2245 h->Qdepth--;
2190 2246
2191 /* Tell the controller execute command */ 2247 /* Tell the controller execute command */
2192 h->access.submit_command(h, c); 2248 h->access.submit_command(h, c);
2193 2249
2194 /* Put job onto the completed Q */ 2250 /* Put job onto the completed Q */
2195 addQ (&(h->cmpQ), c); 2251 addQ(&(h->cmpQ), c);
2196 } 2252 }
2197} 2253}
2254
2198/* Assumes that CCISS_LOCK(h->ctlr) is held. */ 2255/* Assumes that CCISS_LOCK(h->ctlr) is held. */
2199/* Zeros out the error record and then resends the command back */ 2256/* Zeros out the error record and then resends the command back */
2200/* to the controller */ 2257/* to the controller */
2201static inline void resend_cciss_cmd( ctlr_info_t *h, CommandList_struct *c) 2258static inline void resend_cciss_cmd(ctlr_info_t *h, CommandList_struct *c)
2202{ 2259{
2203 /* erase the old error information */ 2260 /* erase the old error information */
2204 memset(c->err_info, 0, sizeof(ErrorInfo_struct)); 2261 memset(c->err_info, 0, sizeof(ErrorInfo_struct));
2205 2262
2206 /* add it to software queue and then send it to the controller */ 2263 /* add it to software queue and then send it to the controller */
2207 addQ(&(h->reqQ),c); 2264 addQ(&(h->reqQ), c);
2208 h->Qdepth++; 2265 h->Qdepth++;
2209 if(h->Qdepth > h->maxQsinceinit) 2266 if (h->Qdepth > h->maxQsinceinit)
2210 h->maxQsinceinit = h->Qdepth; 2267 h->maxQsinceinit = h->Qdepth;
2211 2268
2212 start_io(h); 2269 start_io(h);
2213} 2270}
2214 2271
2215/* checks the status of the job and calls complete buffers to mark all 2272/* checks the status of the job and calls complete buffers to mark all
2216 * buffers for the completed job. Note that this function does not need 2273 * buffers for the completed job. Note that this function does not need
2217 * to hold the hba/queue lock. 2274 * to hold the hba/queue lock.
2218 */ 2275 */
2219static inline void complete_command( ctlr_info_t *h, CommandList_struct *cmd, 2276static inline void complete_command(ctlr_info_t *h, CommandList_struct *cmd,
2220 int timeout) 2277 int timeout)
2221{ 2278{
2222 int status = 1; 2279 int status = 1;
2223 int retry_cmd = 0; 2280 int retry_cmd = 0;
2224 2281
2225 if (timeout) 2282 if (timeout)
2226 status = 0; 2283 status = 0;
2227 2284
2228 if(cmd->err_info->CommandStatus != 0) 2285 if (cmd->err_info->CommandStatus != 0) { /* an error has occurred */
2229 { /* an error has occurred */ 2286 switch (cmd->err_info->CommandStatus) {
2230 switch(cmd->err_info->CommandStatus)
2231 {
2232 unsigned char sense_key; 2287 unsigned char sense_key;
2233 case CMD_TARGET_STATUS: 2288 case CMD_TARGET_STATUS:
2234 status = 0; 2289 status = 0;
2235 2290
2236 if( cmd->err_info->ScsiStatus == 0x02) 2291 if (cmd->err_info->ScsiStatus == 0x02) {
2237 { 2292 printk(KERN_WARNING "cciss: cmd %p "
2238 printk(KERN_WARNING "cciss: cmd %p " 2293 "has CHECK CONDITION "
2239 "has CHECK CONDITION " 2294 " byte 2 = 0x%x\n", cmd,
2240 " byte 2 = 0x%x\n", cmd, 2295 cmd->err_info->SenseInfo[2]
2241 cmd->err_info->SenseInfo[2] 2296 );
2242 ); 2297 /* check the sense key */
2243 /* check the sense key */ 2298 sense_key = 0xf & cmd->err_info->SenseInfo[2];
2244 sense_key = 0xf & 2299 /* no status or recovered error */
2245 cmd->err_info->SenseInfo[2]; 2300 if ((sense_key == 0x0) || (sense_key == 0x1)) {
2246 /* no status or recovered error */ 2301 status = 1;
2247 if((sense_key == 0x0) ||
2248 (sense_key == 0x1))
2249 {
2250 status = 1;
2251 }
2252 } else
2253 {
2254 printk(KERN_WARNING "cciss: cmd %p "
2255 "has SCSI Status 0x%x\n",
2256 cmd, cmd->err_info->ScsiStatus);
2257 } 2302 }
2303 } else {
2304 printk(KERN_WARNING "cciss: cmd %p "
2305 "has SCSI Status 0x%x\n",
2306 cmd, cmd->err_info->ScsiStatus);
2307 }
2258 break; 2308 break;
2259 case CMD_DATA_UNDERRUN: 2309 case CMD_DATA_UNDERRUN:
2260 printk(KERN_WARNING "cciss: cmd %p has" 2310 printk(KERN_WARNING "cciss: cmd %p has"
2261 " completed with data underrun " 2311 " completed with data underrun "
2262 "reported\n", cmd); 2312 "reported\n", cmd);
2263 break; 2313 break;
2264 case CMD_DATA_OVERRUN: 2314 case CMD_DATA_OVERRUN:
2265 printk(KERN_WARNING "cciss: cmd %p has" 2315 printk(KERN_WARNING "cciss: cmd %p has"
2266 " completed with data overrun " 2316 " completed with data overrun "
2267 "reported\n", cmd); 2317 "reported\n", cmd);
2268 break; 2318 break;
2269 case CMD_INVALID: 2319 case CMD_INVALID:
2270 printk(KERN_WARNING "cciss: cmd %p is " 2320 printk(KERN_WARNING "cciss: cmd %p is "
2271 "reported invalid\n", cmd); 2321 "reported invalid\n", cmd);
2272 status = 0; 2322 status = 0;
2273 break; 2323 break;
2274 case CMD_PROTOCOL_ERR: 2324 case CMD_PROTOCOL_ERR:
2275 printk(KERN_WARNING "cciss: cmd %p has " 2325 printk(KERN_WARNING "cciss: cmd %p has "
2276 "protocol error \n", cmd); 2326 "protocol error \n", cmd);
2277 status = 0; 2327 status = 0;
2278 break;
2279 case CMD_HARDWARE_ERR:
2280 printk(KERN_WARNING "cciss: cmd %p had "
2281 " hardware error\n", cmd);
2282 status = 0;
2283 break;
2284 case CMD_CONNECTION_LOST:
2285 printk(KERN_WARNING "cciss: cmd %p had "
2286 "connection lost\n", cmd);
2287 status=0;
2288 break; 2328 break;
2289 case CMD_ABORTED: 2329 case CMD_HARDWARE_ERR:
2290 printk(KERN_WARNING "cciss: cmd %p was " 2330 printk(KERN_WARNING "cciss: cmd %p had "
2291 "aborted\n", cmd); 2331 " hardware error\n", cmd);
2292 status=0; 2332 status = 0;
2293 break; 2333 break;
2294 case CMD_ABORT_FAILED: 2334 case CMD_CONNECTION_LOST:
2295 printk(KERN_WARNING "cciss: cmd %p reports " 2335 printk(KERN_WARNING "cciss: cmd %p had "
2296 "abort failed\n", cmd); 2336 "connection lost\n", cmd);
2297 status=0; 2337 status = 0;
2298 break; 2338 break;
2299 case CMD_UNSOLICITED_ABORT: 2339 case CMD_ABORTED:
2300 printk(KERN_WARNING "cciss%d: unsolicited " 2340 printk(KERN_WARNING "cciss: cmd %p was "
2301 "abort %p\n", h->ctlr, cmd); 2341 "aborted\n", cmd);
2302 if (cmd->retry_count < MAX_CMD_RETRIES) { 2342 status = 0;
2303 retry_cmd=1;
2304 printk(KERN_WARNING
2305 "cciss%d: retrying %p\n",
2306 h->ctlr, cmd);
2307 cmd->retry_count++;
2308 } else
2309 printk(KERN_WARNING
2310 "cciss%d: %p retried too "
2311 "many times\n", h->ctlr, cmd);
2312 status=0;
2313 break; 2343 break;
2314 case CMD_TIMEOUT: 2344 case CMD_ABORT_FAILED:
2315 printk(KERN_WARNING "cciss: cmd %p timedout\n", 2345 printk(KERN_WARNING "cciss: cmd %p reports "
2316 cmd); 2346 "abort failed\n", cmd);
2317 status=0; 2347 status = 0;
2318 break; 2348 break;
2319 default: 2349 case CMD_UNSOLICITED_ABORT:
2320 printk(KERN_WARNING "cciss: cmd %p returned " 2350 printk(KERN_WARNING "cciss%d: unsolicited "
2321 "unknown status %x\n", cmd, 2351 "abort %p\n", h->ctlr, cmd);
2322 cmd->err_info->CommandStatus); 2352 if (cmd->retry_count < MAX_CMD_RETRIES) {
2323 status=0; 2353 retry_cmd = 1;
2354 printk(KERN_WARNING
2355 "cciss%d: retrying %p\n", h->ctlr, cmd);
2356 cmd->retry_count++;
2357 } else
2358 printk(KERN_WARNING
2359 "cciss%d: %p retried too "
2360 "many times\n", h->ctlr, cmd);
2361 status = 0;
2362 break;
2363 case CMD_TIMEOUT:
2364 printk(KERN_WARNING "cciss: cmd %p timedout\n", cmd);
2365 status = 0;
2366 break;
2367 default:
2368 printk(KERN_WARNING "cciss: cmd %p returned "
2369 "unknown status %x\n", cmd,
2370 cmd->err_info->CommandStatus);
2371 status = 0;
2324 } 2372 }
2325 } 2373 }
2326 /* We need to return this command */ 2374 /* We need to return this command */
2327 if(retry_cmd) { 2375 if (retry_cmd) {
2328 resend_cciss_cmd(h,cmd); 2376 resend_cciss_cmd(h, cmd);
2329 return; 2377 return;
2330 } 2378 }
2331 2379
2332 cmd->rq->completion_data = cmd; 2380 cmd->rq->completion_data = cmd;
2333 cmd->rq->errors = status; 2381 cmd->rq->errors = status;
@@ -2335,12 +2383,12 @@ static inline void complete_command( ctlr_info_t *h, CommandList_struct *cmd,
2335 blk_complete_request(cmd->rq); 2383 blk_complete_request(cmd->rq);
2336} 2384}
2337 2385
2338/* 2386/*
2339 * Get a request and submit it to the controller. 2387 * Get a request and submit it to the controller.
2340 */ 2388 */
2341static void do_cciss_request(request_queue_t *q) 2389static void do_cciss_request(request_queue_t *q)
2342{ 2390{
2343 ctlr_info_t *h= q->queuedata; 2391 ctlr_info_t *h = q->queuedata;
2344 CommandList_struct *c; 2392 CommandList_struct *c;
2345 int start_blk, seg; 2393 int start_blk, seg;
2346 struct request *creq; 2394 struct request *creq;
@@ -2351,18 +2399,18 @@ static void do_cciss_request(request_queue_t *q)
2351 2399
2352 /* We call start_io here in case there is a command waiting on the 2400 /* We call start_io here in case there is a command waiting on the
2353 * queue that has not been sent. 2401 * queue that has not been sent.
2354 */ 2402 */
2355 if (blk_queue_plugged(q)) 2403 if (blk_queue_plugged(q))
2356 goto startio; 2404 goto startio;
2357 2405
2358queue: 2406 queue:
2359 creq = elv_next_request(q); 2407 creq = elv_next_request(q);
2360 if (!creq) 2408 if (!creq)
2361 goto startio; 2409 goto startio;
2362 2410
2363 BUG_ON(creq->nr_phys_segments > MAXSGENTRIES); 2411 BUG_ON(creq->nr_phys_segments > MAXSGENTRIES);
2364 2412
2365 if (( c = cmd_alloc(h, 1)) == NULL) 2413 if ((c = cmd_alloc(h, 1)) == NULL)
2366 goto full; 2414 goto full;
2367 2415
2368 blkdev_dequeue_request(creq); 2416 blkdev_dequeue_request(creq);
@@ -2371,81 +2419,82 @@ queue:
2371 2419
2372 c->cmd_type = CMD_RWREQ; 2420 c->cmd_type = CMD_RWREQ;
2373 c->rq = creq; 2421 c->rq = creq;
2374 2422
2375 /* fill in the request */ 2423 /* fill in the request */
2376 drv = creq->rq_disk->private_data; 2424 drv = creq->rq_disk->private_data;
2377 c->Header.ReplyQueue = 0; // unused in simple mode 2425 c->Header.ReplyQueue = 0; // unused in simple mode
2378 /* got command from pool, so use the command block index instead */ 2426 /* got command from pool, so use the command block index instead */
2379 /* for direct lookups. */ 2427 /* for direct lookups. */
2380 /* The first 2 bits are reserved for controller error reporting. */ 2428 /* The first 2 bits are reserved for controller error reporting. */
2381 c->Header.Tag.lower = (c->cmdindex << 3); 2429 c->Header.Tag.lower = (c->cmdindex << 3);
2382 c->Header.Tag.lower |= 0x04; /* flag for direct lookup. */ 2430 c->Header.Tag.lower |= 0x04; /* flag for direct lookup. */
2383 c->Header.LUN.LogDev.VolId= drv->LunID; 2431 c->Header.LUN.LogDev.VolId = drv->LunID;
2384 c->Header.LUN.LogDev.Mode = 1; 2432 c->Header.LUN.LogDev.Mode = 1;
2385 c->Request.CDBLen = 10; // 12 byte commands not in FW yet; 2433 c->Request.CDBLen = 10; // 12 byte commands not in FW yet;
2386 c->Request.Type.Type = TYPE_CMD; // It is a command. 2434 c->Request.Type.Type = TYPE_CMD; // It is a command.
2387 c->Request.Type.Attribute = ATTR_SIMPLE; 2435 c->Request.Type.Attribute = ATTR_SIMPLE;
2388 c->Request.Type.Direction = 2436 c->Request.Type.Direction =
2389 (rq_data_dir(creq) == READ) ? XFER_READ: XFER_WRITE; 2437 (rq_data_dir(creq) == READ) ? XFER_READ : XFER_WRITE;
2390 c->Request.Timeout = 0; // Don't time out 2438 c->Request.Timeout = 0; // Don't time out
2391 c->Request.CDB[0] = (rq_data_dir(creq) == READ) ? CCISS_READ : CCISS_WRITE; 2439 c->Request.CDB[0] =
2440 (rq_data_dir(creq) == READ) ? CCISS_READ : CCISS_WRITE;
2392 start_blk = creq->sector; 2441 start_blk = creq->sector;
2393#ifdef CCISS_DEBUG 2442#ifdef CCISS_DEBUG
2394 printk(KERN_DEBUG "ciss: sector =%d nr_sectors=%d\n",(int) creq->sector, 2443 printk(KERN_DEBUG "ciss: sector =%d nr_sectors=%d\n", (int)creq->sector,
2395 (int) creq->nr_sectors); 2444 (int)creq->nr_sectors);
2396#endif /* CCISS_DEBUG */ 2445#endif /* CCISS_DEBUG */
2397 2446
2398 seg = blk_rq_map_sg(q, creq, tmp_sg); 2447 seg = blk_rq_map_sg(q, creq, tmp_sg);
2399 2448
2400 /* get the DMA records for the setup */ 2449 /* get the DMA records for the setup */
2401 if (c->Request.Type.Direction == XFER_READ) 2450 if (c->Request.Type.Direction == XFER_READ)
2402 dir = PCI_DMA_FROMDEVICE; 2451 dir = PCI_DMA_FROMDEVICE;
2403 else 2452 else
2404 dir = PCI_DMA_TODEVICE; 2453 dir = PCI_DMA_TODEVICE;
2405 2454
2406 for (i=0; i<seg; i++) 2455 for (i = 0; i < seg; i++) {
2407 {
2408 c->SG[i].Len = tmp_sg[i].length; 2456 c->SG[i].Len = tmp_sg[i].length;
2409 temp64.val = (__u64) pci_map_page(h->pdev, tmp_sg[i].page, 2457 temp64.val = (__u64) pci_map_page(h->pdev, tmp_sg[i].page,
2410 tmp_sg[i].offset, tmp_sg[i].length, 2458 tmp_sg[i].offset,
2411 dir); 2459 tmp_sg[i].length, dir);
2412 c->SG[i].Addr.lower = temp64.val32.lower; 2460 c->SG[i].Addr.lower = temp64.val32.lower;
2413 c->SG[i].Addr.upper = temp64.val32.upper; 2461 c->SG[i].Addr.upper = temp64.val32.upper;
2414 c->SG[i].Ext = 0; // we are not chaining 2462 c->SG[i].Ext = 0; // we are not chaining
2415 } 2463 }
2416 /* track how many SG entries we are using */ 2464 /* track how many SG entries we are using */
2417 if( seg > h->maxSG) 2465 if (seg > h->maxSG)
2418 h->maxSG = seg; 2466 h->maxSG = seg;
2419 2467
2420#ifdef CCISS_DEBUG 2468#ifdef CCISS_DEBUG
2421 printk(KERN_DEBUG "cciss: Submitting %d sectors in %d segments\n", creq->nr_sectors, seg); 2469 printk(KERN_DEBUG "cciss: Submitting %d sectors in %d segments\n",
2422#endif /* CCISS_DEBUG */ 2470 creq->nr_sectors, seg);
2471#endif /* CCISS_DEBUG */
2423 2472
2424 c->Header.SGList = c->Header.SGTotal = seg; 2473 c->Header.SGList = c->Header.SGTotal = seg;
2425 c->Request.CDB[1]= 0; 2474 c->Request.CDB[1] = 0;
2426 c->Request.CDB[2]= (start_blk >> 24) & 0xff; //MSB 2475 c->Request.CDB[2] = (start_blk >> 24) & 0xff; //MSB
2427 c->Request.CDB[3]= (start_blk >> 16) & 0xff; 2476 c->Request.CDB[3] = (start_blk >> 16) & 0xff;
2428 c->Request.CDB[4]= (start_blk >> 8) & 0xff; 2477 c->Request.CDB[4] = (start_blk >> 8) & 0xff;
2429 c->Request.CDB[5]= start_blk & 0xff; 2478 c->Request.CDB[5] = start_blk & 0xff;
2430 c->Request.CDB[6]= 0; // (sect >> 24) & 0xff; MSB 2479 c->Request.CDB[6] = 0; // (sect >> 24) & 0xff; MSB
2431 c->Request.CDB[7]= (creq->nr_sectors >> 8) & 0xff; 2480 c->Request.CDB[7] = (creq->nr_sectors >> 8) & 0xff;
2432 c->Request.CDB[8]= creq->nr_sectors & 0xff; 2481 c->Request.CDB[8] = creq->nr_sectors & 0xff;
2433 c->Request.CDB[9] = c->Request.CDB[11] = c->Request.CDB[12] = 0; 2482 c->Request.CDB[9] = c->Request.CDB[11] = c->Request.CDB[12] = 0;
2434 2483
2435 spin_lock_irq(q->queue_lock); 2484 spin_lock_irq(q->queue_lock);
2436 2485
2437 addQ(&(h->reqQ),c); 2486 addQ(&(h->reqQ), c);
2438 h->Qdepth++; 2487 h->Qdepth++;
2439 if(h->Qdepth > h->maxQsinceinit) 2488 if (h->Qdepth > h->maxQsinceinit)
2440 h->maxQsinceinit = h->Qdepth; 2489 h->maxQsinceinit = h->Qdepth;
2441 2490
2442 goto queue; 2491 goto queue;
2443full: 2492 full:
2444 blk_stop_queue(q); 2493 blk_stop_queue(q);
2445startio: 2494 startio:
2446 /* We will already have the driver lock here so not need 2495 /* We will already have the driver lock here so not need
2447 * to lock it. 2496 * to lock it.
2448 */ 2497 */
2449 start_io(h); 2498 start_io(h);
2450} 2499}
2451 2500
@@ -2472,7 +2521,7 @@ static inline unsigned long get_next_completion(ctlr_info_t *h)
2472static inline int interrupt_pending(ctlr_info_t *h) 2521static inline int interrupt_pending(ctlr_info_t *h)
2473{ 2522{
2474#ifdef CONFIG_CISS_SCSI_TAPE 2523#ifdef CONFIG_CISS_SCSI_TAPE
2475 return ( h->access.intr_pending(h) 2524 return (h->access.intr_pending(h)
2476 || (h->scsi_rejects.ncompletions > 0)); 2525 || (h->scsi_rejects.ncompletions > 0));
2477#else 2526#else
2478 return h->access.intr_pending(h); 2527 return h->access.intr_pending(h);
@@ -2482,11 +2531,11 @@ static inline int interrupt_pending(ctlr_info_t *h)
2482static inline long interrupt_not_for_us(ctlr_info_t *h) 2531static inline long interrupt_not_for_us(ctlr_info_t *h)
2483{ 2532{
2484#ifdef CONFIG_CISS_SCSI_TAPE 2533#ifdef CONFIG_CISS_SCSI_TAPE
2485 return (((h->access.intr_pending(h) == 0) || 2534 return (((h->access.intr_pending(h) == 0) ||
2486 (h->interrupts_enabled == 0)) 2535 (h->interrupts_enabled == 0))
2487 && (h->scsi_rejects.ncompletions == 0)); 2536 && (h->scsi_rejects.ncompletions == 0));
2488#else 2537#else
2489 return (((h->access.intr_pending(h) == 0) || 2538 return (((h->access.intr_pending(h) == 0) ||
2490 (h->interrupts_enabled == 0))); 2539 (h->interrupts_enabled == 0)));
2491#endif 2540#endif
2492} 2541}
@@ -2508,12 +2557,14 @@ static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs)
2508 */ 2557 */
2509 spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); 2558 spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
2510 while (interrupt_pending(h)) { 2559 while (interrupt_pending(h)) {
2511 while((a = get_next_completion(h)) != FIFO_EMPTY) { 2560 while ((a = get_next_completion(h)) != FIFO_EMPTY) {
2512 a1 = a; 2561 a1 = a;
2513 if ((a & 0x04)) { 2562 if ((a & 0x04)) {
2514 a2 = (a >> 3); 2563 a2 = (a >> 3);
2515 if (a2 >= NR_CMDS) { 2564 if (a2 >= NR_CMDS) {
2516 printk(KERN_WARNING "cciss: controller cciss%d failed, stopping.\n", h->ctlr); 2565 printk(KERN_WARNING
2566 "cciss: controller cciss%d failed, stopping.\n",
2567 h->ctlr);
2517 fail_all_cmds(h->ctlr); 2568 fail_all_cmds(h->ctlr);
2518 return IRQ_HANDLED; 2569 return IRQ_HANDLED;
2519 } 2570 }
@@ -2522,22 +2573,24 @@ static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs)
2522 a = c->busaddr; 2573 a = c->busaddr;
2523 2574
2524 } else { 2575 } else {
2525 a &= ~3; 2576 a &= ~3;
2526 if ((c = h->cmpQ) == NULL) { 2577 if ((c = h->cmpQ) == NULL) {
2527 printk(KERN_WARNING "cciss: Completion of %08x ignored\n", a1); 2578 printk(KERN_WARNING
2528 continue; 2579 "cciss: Completion of %08x ignored\n",
2529 } 2580 a1);
2530 while(c->busaddr != a) { 2581 continue;
2531 c = c->next; 2582 }
2532 if (c == h->cmpQ) 2583 while (c->busaddr != a) {
2533 break; 2584 c = c->next;
2534 } 2585 if (c == h->cmpQ)
2586 break;
2587 }
2535 } 2588 }
2536 /* 2589 /*
2537 * If we've found the command, take it off the 2590 * If we've found the command, take it off the
2538 * completion Q and free it 2591 * completion Q and free it
2539 */ 2592 */
2540 if (c->busaddr == a) { 2593 if (c->busaddr == a) {
2541 removeQ(&h->cmpQ, c); 2594 removeQ(&h->cmpQ, c);
2542 if (c->cmd_type == CMD_RWREQ) { 2595 if (c->cmd_type == CMD_RWREQ) {
2543 complete_command(h, c, 0); 2596 complete_command(h, c, 0);
@@ -2553,120 +2606,118 @@ static irqreturn_t do_cciss_intr(int irq, void *dev_id, struct pt_regs *regs)
2553 } 2606 }
2554 } 2607 }
2555 2608
2556 /* check to see if we have maxed out the number of commands that can 2609 /* check to see if we have maxed out the number of commands that can
2557 * be placed on the queue. If so then exit. We do this check here 2610 * be placed on the queue. If so then exit. We do this check here
2558 * in case the interrupt we serviced was from an ioctl and did not 2611 * in case the interrupt we serviced was from an ioctl and did not
2559 * free any new commands. 2612 * free any new commands.
2613 */
2614 if ((find_first_zero_bit(h->cmd_pool_bits, NR_CMDS)) == NR_CMDS)
2615 goto cleanup;
2616
2617 /* We have room on the queue for more commands. Now we need to queue
2618 * them up. We will also keep track of the next queue to run so
2619 * that every queue gets a chance to be started first.
2560 */ 2620 */
2561 if ((find_first_zero_bit(h->cmd_pool_bits, NR_CMDS)) == NR_CMDS) 2621 for (j = 0; j < h->highest_lun + 1; j++) {
2562 goto cleanup;
2563
2564 /* We have room on the queue for more commands. Now we need to queue
2565 * them up. We will also keep track of the next queue to run so
2566 * that every queue gets a chance to be started first.
2567 */
2568 for (j=0; j < h->highest_lun + 1; j++){
2569 int curr_queue = (start_queue + j) % (h->highest_lun + 1); 2622 int curr_queue = (start_queue + j) % (h->highest_lun + 1);
2570 /* make sure the disk has been added and the drive is real 2623 /* make sure the disk has been added and the drive is real
2571 * because this can be called from the middle of init_one. 2624 * because this can be called from the middle of init_one.
2572 */ 2625 */
2573 if(!(h->drv[curr_queue].queue) || 2626 if (!(h->drv[curr_queue].queue) || !(h->drv[curr_queue].heads))
2574 !(h->drv[curr_queue].heads)) 2627 continue;
2575 continue; 2628 blk_start_queue(h->gendisk[curr_queue]->queue);
2576 blk_start_queue(h->gendisk[curr_queue]->queue); 2629
2577 2630 /* check to see if we have maxed out the number of commands
2578 /* check to see if we have maxed out the number of commands 2631 * that can be placed on the queue.
2579 * that can be placed on the queue. 2632 */
2580 */ 2633 if ((find_first_zero_bit(h->cmd_pool_bits, NR_CMDS)) == NR_CMDS) {
2581 if ((find_first_zero_bit(h->cmd_pool_bits, NR_CMDS)) == NR_CMDS) 2634 if (curr_queue == start_queue) {
2582 { 2635 h->next_to_run =
2583 if (curr_queue == start_queue){ 2636 (start_queue + 1) % (h->highest_lun + 1);
2584 h->next_to_run = (start_queue + 1) % (h->highest_lun + 1); 2637 goto cleanup;
2585 goto cleanup; 2638 } else {
2586 } else { 2639 h->next_to_run = curr_queue;
2587 h->next_to_run = curr_queue; 2640 goto cleanup;
2588 goto cleanup; 2641 }
2589 } 2642 } else {
2590 } else {
2591 curr_queue = (curr_queue + 1) % (h->highest_lun + 1); 2643 curr_queue = (curr_queue + 1) % (h->highest_lun + 1);
2592 } 2644 }
2593 } 2645 }
2594 2646
2595cleanup: 2647 cleanup:
2596 spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); 2648 spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
2597 return IRQ_HANDLED; 2649 return IRQ_HANDLED;
2598} 2650}
2599/* 2651
2652/*
2600 * We cannot read the structure directly, for portability we must use 2653 * We cannot read the structure directly, for portability we must use
2601 * the io functions. 2654 * the io functions.
2602 * This is for debug only. 2655 * This is for debug only.
2603 */ 2656 */
2604#ifdef CCISS_DEBUG 2657#ifdef CCISS_DEBUG
2605static void print_cfg_table( CfgTable_struct *tb) 2658static void print_cfg_table(CfgTable_struct *tb)
2606{ 2659{
2607 int i; 2660 int i;
2608 char temp_name[17]; 2661 char temp_name[17];
2609 2662
2610 printk("Controller Configuration information\n"); 2663 printk("Controller Configuration information\n");
2611 printk("------------------------------------\n"); 2664 printk("------------------------------------\n");
2612 for(i=0;i<4;i++) 2665 for (i = 0; i < 4; i++)
2613 temp_name[i] = readb(&(tb->Signature[i])); 2666 temp_name[i] = readb(&(tb->Signature[i]));
2614 temp_name[4]='\0'; 2667 temp_name[4] = '\0';
2615 printk(" Signature = %s\n", temp_name); 2668 printk(" Signature = %s\n", temp_name);
2616 printk(" Spec Number = %d\n", readl(&(tb->SpecValence))); 2669 printk(" Spec Number = %d\n", readl(&(tb->SpecValence)));
2617 printk(" Transport methods supported = 0x%x\n", 2670 printk(" Transport methods supported = 0x%x\n",
2618 readl(&(tb-> TransportSupport))); 2671 readl(&(tb->TransportSupport)));
2619 printk(" Transport methods active = 0x%x\n", 2672 printk(" Transport methods active = 0x%x\n",
2620 readl(&(tb->TransportActive))); 2673 readl(&(tb->TransportActive)));
2621 printk(" Requested transport Method = 0x%x\n", 2674 printk(" Requested transport Method = 0x%x\n",
2622 readl(&(tb->HostWrite.TransportRequest))); 2675 readl(&(tb->HostWrite.TransportRequest)));
2623 printk(" Coalesce Interrupt Delay = 0x%x\n", 2676 printk(" Coalesce Interrupt Delay = 0x%x\n",
2624 readl(&(tb->HostWrite.CoalIntDelay))); 2677 readl(&(tb->HostWrite.CoalIntDelay)));
2625 printk(" Coalesce Interrupt Count = 0x%x\n", 2678 printk(" Coalesce Interrupt Count = 0x%x\n",
2626 readl(&(tb->HostWrite.CoalIntCount))); 2679 readl(&(tb->HostWrite.CoalIntCount)));
2627 printk(" Max outstanding commands = 0x%d\n", 2680 printk(" Max outstanding commands = 0x%d\n",
2628 readl(&(tb->CmdsOutMax))); 2681 readl(&(tb->CmdsOutMax)));
2629 printk(" Bus Types = 0x%x\n", readl(&(tb-> BusTypes))); 2682 printk(" Bus Types = 0x%x\n", readl(&(tb->BusTypes)));
2630 for(i=0;i<16;i++) 2683 for (i = 0; i < 16; i++)
2631 temp_name[i] = readb(&(tb->ServerName[i])); 2684 temp_name[i] = readb(&(tb->ServerName[i]));
2632 temp_name[16] = '\0'; 2685 temp_name[16] = '\0';
2633 printk(" Server Name = %s\n", temp_name); 2686 printk(" Server Name = %s\n", temp_name);
2634 printk(" Heartbeat Counter = 0x%x\n\n\n", 2687 printk(" Heartbeat Counter = 0x%x\n\n\n", readl(&(tb->HeartBeat)));
2635 readl(&(tb->HeartBeat)));
2636} 2688}
2637#endif /* CCISS_DEBUG */ 2689#endif /* CCISS_DEBUG */
2638 2690
2639static int find_PCI_BAR_index(struct pci_dev *pdev, 2691static int find_PCI_BAR_index(struct pci_dev *pdev, unsigned long pci_bar_addr)
2640 unsigned long pci_bar_addr)
2641{ 2692{
2642 int i, offset, mem_type, bar_type; 2693 int i, offset, mem_type, bar_type;
2643 if (pci_bar_addr == PCI_BASE_ADDRESS_0) /* looking for BAR zero? */ 2694 if (pci_bar_addr == PCI_BASE_ADDRESS_0) /* looking for BAR zero? */
2644 return 0; 2695 return 0;
2645 offset = 0; 2696 offset = 0;
2646 for (i=0; i<DEVICE_COUNT_RESOURCE; i++) { 2697 for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
2647 bar_type = pci_resource_flags(pdev, i) & 2698 bar_type = pci_resource_flags(pdev, i) & PCI_BASE_ADDRESS_SPACE;
2648 PCI_BASE_ADDRESS_SPACE;
2649 if (bar_type == PCI_BASE_ADDRESS_SPACE_IO) 2699 if (bar_type == PCI_BASE_ADDRESS_SPACE_IO)
2650 offset += 4; 2700 offset += 4;
2651 else { 2701 else {
2652 mem_type = pci_resource_flags(pdev, i) & 2702 mem_type = pci_resource_flags(pdev, i) &
2653 PCI_BASE_ADDRESS_MEM_TYPE_MASK; 2703 PCI_BASE_ADDRESS_MEM_TYPE_MASK;
2654 switch (mem_type) { 2704 switch (mem_type) {
2655 case PCI_BASE_ADDRESS_MEM_TYPE_32: 2705 case PCI_BASE_ADDRESS_MEM_TYPE_32:
2656 case PCI_BASE_ADDRESS_MEM_TYPE_1M: 2706 case PCI_BASE_ADDRESS_MEM_TYPE_1M:
2657 offset += 4; /* 32 bit */ 2707 offset += 4; /* 32 bit */
2658 break; 2708 break;
2659 case PCI_BASE_ADDRESS_MEM_TYPE_64: 2709 case PCI_BASE_ADDRESS_MEM_TYPE_64:
2660 offset += 8; 2710 offset += 8;
2661 break; 2711 break;
2662 default: /* reserved in PCI 2.2 */ 2712 default: /* reserved in PCI 2.2 */
2663 printk(KERN_WARNING "Base address is invalid\n"); 2713 printk(KERN_WARNING
2664 return -1; 2714 "Base address is invalid\n");
2715 return -1;
2665 break; 2716 break;
2666 } 2717 }
2667 } 2718 }
2668 if (offset == pci_bar_addr - PCI_BASE_ADDRESS_0) 2719 if (offset == pci_bar_addr - PCI_BASE_ADDRESS_0)
2669 return i+1; 2720 return i + 1;
2670 } 2721 }
2671 return -1; 2722 return -1;
2672} 2723}
@@ -2675,53 +2726,54 @@ static int find_PCI_BAR_index(struct pci_dev *pdev,
2675 * controllers that are capable. If not, we use IO-APIC mode. 2726 * controllers that are capable. If not, we use IO-APIC mode.
2676 */ 2727 */
2677 2728
2678static void __devinit cciss_interrupt_mode(ctlr_info_t *c, struct pci_dev *pdev, __u32 board_id) 2729static void __devinit cciss_interrupt_mode(ctlr_info_t *c,
2730 struct pci_dev *pdev, __u32 board_id)
2679{ 2731{
2680#ifdef CONFIG_PCI_MSI 2732#ifdef CONFIG_PCI_MSI
2681 int err; 2733 int err;
2682 struct msix_entry cciss_msix_entries[4] = {{0,0}, {0,1}, 2734 struct msix_entry cciss_msix_entries[4] = { {0, 0}, {0, 1},
2683 {0,2}, {0,3}}; 2735 {0, 2}, {0, 3}
2736 };
2684 2737
2685 /* Some boards advertise MSI but don't really support it */ 2738 /* Some boards advertise MSI but don't really support it */
2686 if ((board_id == 0x40700E11) || 2739 if ((board_id == 0x40700E11) ||
2687 (board_id == 0x40800E11) || 2740 (board_id == 0x40800E11) ||
2688 (board_id == 0x40820E11) || 2741 (board_id == 0x40820E11) || (board_id == 0x40830E11))
2689 (board_id == 0x40830E11))
2690 goto default_int_mode; 2742 goto default_int_mode;
2691 2743
2692 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) { 2744 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) {
2693 err = pci_enable_msix(pdev, cciss_msix_entries, 4); 2745 err = pci_enable_msix(pdev, cciss_msix_entries, 4);
2694 if (!err) { 2746 if (!err) {
2695 c->intr[0] = cciss_msix_entries[0].vector; 2747 c->intr[0] = cciss_msix_entries[0].vector;
2696 c->intr[1] = cciss_msix_entries[1].vector; 2748 c->intr[1] = cciss_msix_entries[1].vector;
2697 c->intr[2] = cciss_msix_entries[2].vector; 2749 c->intr[2] = cciss_msix_entries[2].vector;
2698 c->intr[3] = cciss_msix_entries[3].vector; 2750 c->intr[3] = cciss_msix_entries[3].vector;
2699 c->msix_vector = 1; 2751 c->msix_vector = 1;
2700 return; 2752 return;
2701 } 2753 }
2702 if (err > 0) { 2754 if (err > 0) {
2703 printk(KERN_WARNING "cciss: only %d MSI-X vectors " 2755 printk(KERN_WARNING "cciss: only %d MSI-X vectors "
2704 "available\n", err); 2756 "available\n", err);
2705 } else { 2757 } else {
2706 printk(KERN_WARNING "cciss: MSI-X init failed %d\n", 2758 printk(KERN_WARNING "cciss: MSI-X init failed %d\n",
2707 err); 2759 err);
2708 } 2760 }
2709 } 2761 }
2710 if (pci_find_capability(pdev, PCI_CAP_ID_MSI)) { 2762 if (pci_find_capability(pdev, PCI_CAP_ID_MSI)) {
2711 if (!pci_enable_msi(pdev)) { 2763 if (!pci_enable_msi(pdev)) {
2712 c->intr[SIMPLE_MODE_INT] = pdev->irq; 2764 c->intr[SIMPLE_MODE_INT] = pdev->irq;
2713 c->msi_vector = 1; 2765 c->msi_vector = 1;
2714 return; 2766 return;
2715 } else { 2767 } else {
2716 printk(KERN_WARNING "cciss: MSI init failed\n"); 2768 printk(KERN_WARNING "cciss: MSI init failed\n");
2717 c->intr[SIMPLE_MODE_INT] = pdev->irq; 2769 c->intr[SIMPLE_MODE_INT] = pdev->irq;
2718 return; 2770 return;
2719 } 2771 }
2720 } 2772 }
2721default_int_mode: 2773 default_int_mode:
2722#endif /* CONFIG_PCI_MSI */ 2774#endif /* CONFIG_PCI_MSI */
2723 /* if we get here we're going to use the default interrupt mode */ 2775 /* if we get here we're going to use the default interrupt mode */
2724 c->intr[SIMPLE_MODE_INT] = pdev->irq; 2776 c->intr[SIMPLE_MODE_INT] = pdev->irq;
2725 return; 2777 return;
2726} 2778}
2727 2779
@@ -2736,16 +2788,15 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
2736 2788
2737 /* check to see if controller has been disabled */ 2789 /* check to see if controller has been disabled */
2738 /* BEFORE trying to enable it */ 2790 /* BEFORE trying to enable it */
2739 (void) pci_read_config_word(pdev, PCI_COMMAND,&command); 2791 (void)pci_read_config_word(pdev, PCI_COMMAND, &command);
2740 if(!(command & 0x02)) 2792 if (!(command & 0x02)) {
2741 { 2793 printk(KERN_WARNING
2742 printk(KERN_WARNING "cciss: controller appears to be disabled\n"); 2794 "cciss: controller appears to be disabled\n");
2743 return -ENODEV; 2795 return -ENODEV;
2744 } 2796 }
2745 2797
2746 err = pci_enable_device(pdev); 2798 err = pci_enable_device(pdev);
2747 if (err) 2799 if (err) {
2748 {
2749 printk(KERN_ERR "cciss: Unable to Enable PCI device\n"); 2800 printk(KERN_ERR "cciss: Unable to Enable PCI device\n");
2750 return err; 2801 return err;
2751 } 2802 }
@@ -2753,20 +2804,20 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
2753 err = pci_request_regions(pdev, "cciss"); 2804 err = pci_request_regions(pdev, "cciss");
2754 if (err) { 2805 if (err) {
2755 printk(KERN_ERR "cciss: Cannot obtain PCI resources, " 2806 printk(KERN_ERR "cciss: Cannot obtain PCI resources, "
2756 "aborting\n"); 2807 "aborting\n");
2757 goto err_out_disable_pdev; 2808 goto err_out_disable_pdev;
2758 } 2809 }
2759 2810
2760 subsystem_vendor_id = pdev->subsystem_vendor; 2811 subsystem_vendor_id = pdev->subsystem_vendor;
2761 subsystem_device_id = pdev->subsystem_device; 2812 subsystem_device_id = pdev->subsystem_device;
2762 board_id = (((__u32) (subsystem_device_id << 16) & 0xffff0000) | 2813 board_id = (((__u32) (subsystem_device_id << 16) & 0xffff0000) |
2763 subsystem_vendor_id); 2814 subsystem_vendor_id);
2764 2815
2765#ifdef CCISS_DEBUG 2816#ifdef CCISS_DEBUG
2766 printk("command = %x\n", command); 2817 printk("command = %x\n", command);
2767 printk("irq = %x\n", pdev->irq); 2818 printk("irq = %x\n", pdev->irq);
2768 printk("board_id = %x\n", board_id); 2819 printk("board_id = %x\n", board_id);
2769#endif /* CCISS_DEBUG */ 2820#endif /* CCISS_DEBUG */
2770 2821
2771/* If the kernel supports MSI/MSI-X we will try to enable that functionality, 2822/* If the kernel supports MSI/MSI-X we will try to enable that functionality,
2772 * else we use the IO-APIC interrupt assigned to us by system ROM. 2823 * else we use the IO-APIC interrupt assigned to us by system ROM.
@@ -2775,23 +2826,23 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
2775 2826
2776 /* 2827 /*
2777 * Memory base addr is first addr , the second points to the config 2828 * Memory base addr is first addr , the second points to the config
2778 * table 2829 * table
2779 */ 2830 */
2780 2831
2781 c->paddr = pci_resource_start(pdev, 0); /* addressing mode bits already removed */ 2832 c->paddr = pci_resource_start(pdev, 0); /* addressing mode bits already removed */
2782#ifdef CCISS_DEBUG 2833#ifdef CCISS_DEBUG
2783 printk("address 0 = %x\n", c->paddr); 2834 printk("address 0 = %x\n", c->paddr);
2784#endif /* CCISS_DEBUG */ 2835#endif /* CCISS_DEBUG */
2785 c->vaddr = remap_pci_mem(c->paddr, 200); 2836 c->vaddr = remap_pci_mem(c->paddr, 200);
2786 2837
2787 /* Wait for the board to become ready. (PCI hotplug needs this.) 2838 /* Wait for the board to become ready. (PCI hotplug needs this.)
2788 * We poll for up to 120 secs, once per 100ms. */ 2839 * We poll for up to 120 secs, once per 100ms. */
2789 for (i=0; i < 1200; i++) { 2840 for (i = 0; i < 1200; i++) {
2790 scratchpad = readl(c->vaddr + SA5_SCRATCHPAD_OFFSET); 2841 scratchpad = readl(c->vaddr + SA5_SCRATCHPAD_OFFSET);
2791 if (scratchpad == CCISS_FIRMWARE_READY) 2842 if (scratchpad == CCISS_FIRMWARE_READY)
2792 break; 2843 break;
2793 set_current_state(TASK_INTERRUPTIBLE); 2844 set_current_state(TASK_INTERRUPTIBLE);
2794 schedule_timeout(HZ / 10); /* wait 100ms */ 2845 schedule_timeout(HZ / 10); /* wait 100ms */
2795 } 2846 }
2796 if (scratchpad != CCISS_FIRMWARE_READY) { 2847 if (scratchpad != CCISS_FIRMWARE_READY) {
2797 printk(KERN_WARNING "cciss: Board not ready. Timed out.\n"); 2848 printk(KERN_WARNING "cciss: Board not ready. Timed out.\n");
@@ -2804,12 +2855,11 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
2804 cfg_base_addr &= (__u32) 0x0000ffff; 2855 cfg_base_addr &= (__u32) 0x0000ffff;
2805#ifdef CCISS_DEBUG 2856#ifdef CCISS_DEBUG
2806 printk("cfg base address = %x\n", cfg_base_addr); 2857 printk("cfg base address = %x\n", cfg_base_addr);
2807#endif /* CCISS_DEBUG */ 2858#endif /* CCISS_DEBUG */
2808 cfg_base_addr_index = 2859 cfg_base_addr_index = find_PCI_BAR_index(pdev, cfg_base_addr);
2809 find_PCI_BAR_index(pdev, cfg_base_addr);
2810#ifdef CCISS_DEBUG 2860#ifdef CCISS_DEBUG
2811 printk("cfg base address index = %x\n", cfg_base_addr_index); 2861 printk("cfg base address index = %x\n", cfg_base_addr_index);
2812#endif /* CCISS_DEBUG */ 2862#endif /* CCISS_DEBUG */
2813 if (cfg_base_addr_index == -1) { 2863 if (cfg_base_addr_index == -1) {
2814 printk(KERN_WARNING "cciss: Cannot find cfg_base_addr_index\n"); 2864 printk(KERN_WARNING "cciss: Cannot find cfg_base_addr_index\n");
2815 err = -ENODEV; 2865 err = -ENODEV;
@@ -2819,17 +2869,17 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
2819 cfg_offset = readl(c->vaddr + SA5_CTMEM_OFFSET); 2869 cfg_offset = readl(c->vaddr + SA5_CTMEM_OFFSET);
2820#ifdef CCISS_DEBUG 2870#ifdef CCISS_DEBUG
2821 printk("cfg offset = %x\n", cfg_offset); 2871 printk("cfg offset = %x\n", cfg_offset);
2822#endif /* CCISS_DEBUG */ 2872#endif /* CCISS_DEBUG */
2823 c->cfgtable = remap_pci_mem(pci_resource_start(pdev, 2873 c->cfgtable = remap_pci_mem(pci_resource_start(pdev,
2824 cfg_base_addr_index) + cfg_offset, 2874 cfg_base_addr_index) +
2825 sizeof(CfgTable_struct)); 2875 cfg_offset, sizeof(CfgTable_struct));
2826 c->board_id = board_id; 2876 c->board_id = board_id;
2827 2877
2828#ifdef CCISS_DEBUG 2878#ifdef CCISS_DEBUG
2829 print_cfg_table(c->cfgtable); 2879 print_cfg_table(c->cfgtable);
2830#endif /* CCISS_DEBUG */ 2880#endif /* CCISS_DEBUG */
2831 2881
2832 for(i=0; i<ARRAY_SIZE(products); i++) { 2882 for (i = 0; i < ARRAY_SIZE(products); i++) {
2833 if (board_id == products[i].board_id) { 2883 if (board_id == products[i].board_id) {
2834 c->product_name = products[i].product_name; 2884 c->product_name = products[i].product_name;
2835 c->access = *(products[i].access); 2885 c->access = *(products[i].access);
@@ -2838,78 +2888,75 @@ static int cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
2838 } 2888 }
2839 if (i == ARRAY_SIZE(products)) { 2889 if (i == ARRAY_SIZE(products)) {
2840 printk(KERN_WARNING "cciss: Sorry, I don't know how" 2890 printk(KERN_WARNING "cciss: Sorry, I don't know how"
2841 " to access the Smart Array controller %08lx\n", 2891 " to access the Smart Array controller %08lx\n",
2842 (unsigned long)board_id); 2892 (unsigned long)board_id);
2843 err = -ENODEV; 2893 err = -ENODEV;
2844 goto err_out_free_res; 2894 goto err_out_free_res;
2845 } 2895 }
2846 if ( (readb(&c->cfgtable->Signature[0]) != 'C') || 2896 if ((readb(&c->cfgtable->Signature[0]) != 'C') ||
2847 (readb(&c->cfgtable->Signature[1]) != 'I') || 2897 (readb(&c->cfgtable->Signature[1]) != 'I') ||
2848 (readb(&c->cfgtable->Signature[2]) != 'S') || 2898 (readb(&c->cfgtable->Signature[2]) != 'S') ||
2849 (readb(&c->cfgtable->Signature[3]) != 'S') ) 2899 (readb(&c->cfgtable->Signature[3]) != 'S')) {
2850 {
2851 printk("Does not appear to be a valid CISS config table\n"); 2900 printk("Does not appear to be a valid CISS config table\n");
2852 err = -ENODEV; 2901 err = -ENODEV;
2853 goto err_out_free_res; 2902 goto err_out_free_res;
2854 } 2903 }
2855
2856#ifdef CONFIG_X86 2904#ifdef CONFIG_X86
2857{ 2905 {
2858 /* Need to enable prefetch in the SCSI core for 6400 in x86 */ 2906 /* Need to enable prefetch in the SCSI core for 6400 in x86 */
2859 __u32 prefetch; 2907 __u32 prefetch;
2860 prefetch = readl(&(c->cfgtable->SCSI_Prefetch)); 2908 prefetch = readl(&(c->cfgtable->SCSI_Prefetch));
2861 prefetch |= 0x100; 2909 prefetch |= 0x100;
2862 writel(prefetch, &(c->cfgtable->SCSI_Prefetch)); 2910 writel(prefetch, &(c->cfgtable->SCSI_Prefetch));
2863} 2911 }
2864#endif 2912#endif
2865 2913
2866#ifdef CCISS_DEBUG 2914#ifdef CCISS_DEBUG
2867 printk("Trying to put board into Simple mode\n"); 2915 printk("Trying to put board into Simple mode\n");
2868#endif /* CCISS_DEBUG */ 2916#endif /* CCISS_DEBUG */
2869 c->max_commands = readl(&(c->cfgtable->CmdsOutMax)); 2917 c->max_commands = readl(&(c->cfgtable->CmdsOutMax));
2870 /* Update the field, and then ring the doorbell */ 2918 /* Update the field, and then ring the doorbell */
2871 writel( CFGTBL_Trans_Simple, 2919 writel(CFGTBL_Trans_Simple, &(c->cfgtable->HostWrite.TransportRequest));
2872 &(c->cfgtable->HostWrite.TransportRequest)); 2920 writel(CFGTBL_ChangeReq, c->vaddr + SA5_DOORBELL);
2873 writel( CFGTBL_ChangeReq, c->vaddr + SA5_DOORBELL);
2874 2921
2875 /* under certain very rare conditions, this can take awhile. 2922 /* under certain very rare conditions, this can take awhile.
2876 * (e.g.: hot replace a failed 144GB drive in a RAID 5 set right 2923 * (e.g.: hot replace a failed 144GB drive in a RAID 5 set right
2877 * as we enter this code.) */ 2924 * as we enter this code.) */
2878 for(i=0;i<MAX_CONFIG_WAIT;i++) { 2925 for (i = 0; i < MAX_CONFIG_WAIT; i++) {
2879 if (!(readl(c->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) 2926 if (!(readl(c->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq))
2880 break; 2927 break;
2881 /* delay and try again */ 2928 /* delay and try again */
2882 set_current_state(TASK_INTERRUPTIBLE); 2929 set_current_state(TASK_INTERRUPTIBLE);
2883 schedule_timeout(10); 2930 schedule_timeout(10);
2884 } 2931 }
2885 2932
2886#ifdef CCISS_DEBUG 2933#ifdef CCISS_DEBUG
2887 printk(KERN_DEBUG "I counter got to %d %x\n", i, readl(c->vaddr + SA5_DOORBELL)); 2934 printk(KERN_DEBUG "I counter got to %d %x\n", i,
2888#endif /* CCISS_DEBUG */ 2935 readl(c->vaddr + SA5_DOORBELL));
2936#endif /* CCISS_DEBUG */
2889#ifdef CCISS_DEBUG 2937#ifdef CCISS_DEBUG
2890 print_cfg_table(c->cfgtable); 2938 print_cfg_table(c->cfgtable);
2891#endif /* CCISS_DEBUG */ 2939#endif /* CCISS_DEBUG */
2892 2940
2893 if (!(readl(&(c->cfgtable->TransportActive)) & CFGTBL_Trans_Simple)) 2941 if (!(readl(&(c->cfgtable->TransportActive)) & CFGTBL_Trans_Simple)) {
2894 {
2895 printk(KERN_WARNING "cciss: unable to get board into" 2942 printk(KERN_WARNING "cciss: unable to get board into"
2896 " simple mode\n"); 2943 " simple mode\n");
2897 err = -ENODEV; 2944 err = -ENODEV;
2898 goto err_out_free_res; 2945 goto err_out_free_res;
2899 } 2946 }
2900 return 0; 2947 return 0;
2901 2948
2902err_out_free_res: 2949 err_out_free_res:
2903 pci_release_regions(pdev); 2950 pci_release_regions(pdev);
2904 2951
2905err_out_disable_pdev: 2952 err_out_disable_pdev:
2906 pci_disable_device(pdev); 2953 pci_disable_device(pdev);
2907 return err; 2954 return err;
2908} 2955}
2909 2956
2910/* 2957/*
2911 * Gets information about the local volumes attached to the controller. 2958 * Gets information about the local volumes attached to the controller.
2912 */ 2959 */
2913static void cciss_getgeometry(int cntl_num) 2960static void cciss_getgeometry(int cntl_num)
2914{ 2961{
2915 ReportLunData_struct *ld_buff; 2962 ReportLunData_struct *ld_buff;
@@ -2920,102 +2967,102 @@ static void cciss_getgeometry(int cntl_num)
2920 int listlength = 0; 2967 int listlength = 0;
2921 __u32 lunid = 0; 2968 __u32 lunid = 0;
2922 int block_size; 2969 int block_size;
2923 int total_size; 2970 int total_size;
2924 2971
2925 ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL); 2972 ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL);
2926 if (ld_buff == NULL) 2973 if (ld_buff == NULL) {
2927 { 2974 printk(KERN_ERR "cciss: out of memory\n");
2975 return;
2976 }
2977 size_buff = kmalloc(sizeof(ReadCapdata_struct), GFP_KERNEL);
2978 if (size_buff == NULL) {
2928 printk(KERN_ERR "cciss: out of memory\n"); 2979 printk(KERN_ERR "cciss: out of memory\n");
2980 kfree(ld_buff);
2929 return; 2981 return;
2930 } 2982 }
2931 size_buff = kmalloc(sizeof( ReadCapdata_struct), GFP_KERNEL); 2983 inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL);
2932 if (size_buff == NULL) 2984 if (inq_buff == NULL) {
2933 { 2985 printk(KERN_ERR "cciss: out of memory\n");
2934 printk(KERN_ERR "cciss: out of memory\n");
2935 kfree(ld_buff); 2986 kfree(ld_buff);
2936 return;
2937 }
2938 inq_buff = kmalloc(sizeof( InquiryData_struct), GFP_KERNEL);
2939 if (inq_buff == NULL)
2940 {
2941 printk(KERN_ERR "cciss: out of memory\n");
2942 kfree(ld_buff);
2943 kfree(size_buff); 2987 kfree(size_buff);
2944 return; 2988 return;
2945 } 2989 }
2946 /* Get the firmware version */ 2990 /* Get the firmware version */
2947 return_code = sendcmd(CISS_INQUIRY, cntl_num, inq_buff, 2991 return_code = sendcmd(CISS_INQUIRY, cntl_num, inq_buff,
2948 sizeof(InquiryData_struct), 0, 0 ,0, NULL, TYPE_CMD); 2992 sizeof(InquiryData_struct), 0, 0, 0, NULL,
2949 if (return_code == IO_OK) 2993 TYPE_CMD);
2950 { 2994 if (return_code == IO_OK) {
2951 hba[cntl_num]->firm_ver[0] = inq_buff->data_byte[32]; 2995 hba[cntl_num]->firm_ver[0] = inq_buff->data_byte[32];
2952 hba[cntl_num]->firm_ver[1] = inq_buff->data_byte[33]; 2996 hba[cntl_num]->firm_ver[1] = inq_buff->data_byte[33];
2953 hba[cntl_num]->firm_ver[2] = inq_buff->data_byte[34]; 2997 hba[cntl_num]->firm_ver[2] = inq_buff->data_byte[34];
2954 hba[cntl_num]->firm_ver[3] = inq_buff->data_byte[35]; 2998 hba[cntl_num]->firm_ver[3] = inq_buff->data_byte[35];
2955 } else /* send command failed */ 2999 } else { /* send command failed */
2956 { 3000
2957 printk(KERN_WARNING "cciss: unable to determine firmware" 3001 printk(KERN_WARNING "cciss: unable to determine firmware"
2958 " version of controller\n"); 3002 " version of controller\n");
2959 } 3003 }
2960 /* Get the number of logical volumes */ 3004 /* Get the number of logical volumes */
2961 return_code = sendcmd(CISS_REPORT_LOG, cntl_num, ld_buff, 3005 return_code = sendcmd(CISS_REPORT_LOG, cntl_num, ld_buff,
2962 sizeof(ReportLunData_struct), 0, 0, 0, NULL, TYPE_CMD); 3006 sizeof(ReportLunData_struct), 0, 0, 0, NULL,
3007 TYPE_CMD);
2963 3008
2964 if( return_code == IO_OK) 3009 if (return_code == IO_OK) {
2965 {
2966#ifdef CCISS_DEBUG 3010#ifdef CCISS_DEBUG
2967 printk("LUN Data\n--------------------------\n"); 3011 printk("LUN Data\n--------------------------\n");
2968#endif /* CCISS_DEBUG */ 3012#endif /* CCISS_DEBUG */
2969 3013
2970 listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[0])) << 24; 3014 listlength |=
2971 listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[1])) << 16; 3015 (0xff & (unsigned int)(ld_buff->LUNListLength[0])) << 24;
2972 listlength |= (0xff & (unsigned int)(ld_buff->LUNListLength[2])) << 8; 3016 listlength |=
3017 (0xff & (unsigned int)(ld_buff->LUNListLength[1])) << 16;
3018 listlength |=
3019 (0xff & (unsigned int)(ld_buff->LUNListLength[2])) << 8;
2973 listlength |= 0xff & (unsigned int)(ld_buff->LUNListLength[3]); 3020 listlength |= 0xff & (unsigned int)(ld_buff->LUNListLength[3]);
2974 } else /* reading number of logical volumes failed */ 3021 } else { /* reading number of logical volumes failed */
2975 { 3022
2976 printk(KERN_WARNING "cciss: report logical volume" 3023 printk(KERN_WARNING "cciss: report logical volume"
2977 " command failed\n"); 3024 " command failed\n");
2978 listlength = 0; 3025 listlength = 0;
2979 } 3026 }
2980 hba[cntl_num]->num_luns = listlength / 8; // 8 bytes pre entry 3027 hba[cntl_num]->num_luns = listlength / 8; // 8 bytes pre entry
2981 if (hba[cntl_num]->num_luns > CISS_MAX_LUN) 3028 if (hba[cntl_num]->num_luns > CISS_MAX_LUN) {
2982 { 3029 printk(KERN_ERR
2983 printk(KERN_ERR "ciss: only %d number of logical volumes supported\n", 3030 "ciss: only %d number of logical volumes supported\n",
2984 CISS_MAX_LUN); 3031 CISS_MAX_LUN);
2985 hba[cntl_num]->num_luns = CISS_MAX_LUN; 3032 hba[cntl_num]->num_luns = CISS_MAX_LUN;
2986 } 3033 }
2987#ifdef CCISS_DEBUG 3034#ifdef CCISS_DEBUG
2988 printk(KERN_DEBUG "Length = %x %x %x %x = %d\n", ld_buff->LUNListLength[0], 3035 printk(KERN_DEBUG "Length = %x %x %x %x = %d\n",
2989 ld_buff->LUNListLength[1], ld_buff->LUNListLength[2], 3036 ld_buff->LUNListLength[0], ld_buff->LUNListLength[1],
2990 ld_buff->LUNListLength[3], hba[cntl_num]->num_luns); 3037 ld_buff->LUNListLength[2], ld_buff->LUNListLength[3],
2991#endif /* CCISS_DEBUG */ 3038 hba[cntl_num]->num_luns);
2992 3039#endif /* CCISS_DEBUG */
2993 hba[cntl_num]->highest_lun = hba[cntl_num]->num_luns-1; 3040
2994// for(i=0; i< hba[cntl_num]->num_luns; i++) 3041 hba[cntl_num]->highest_lun = hba[cntl_num]->num_luns - 1;
2995 for(i=0; i < CISS_MAX_LUN; i++) 3042// for(i=0; i< hba[cntl_num]->num_luns; i++)
2996 { 3043 for (i = 0; i < CISS_MAX_LUN; i++) {
2997 if (i < hba[cntl_num]->num_luns){ 3044 if (i < hba[cntl_num]->num_luns) {
2998 lunid = (0xff & (unsigned int)(ld_buff->LUN[i][3])) 3045 lunid = (0xff & (unsigned int)(ld_buff->LUN[i][3]))
2999 << 24; 3046 << 24;
3000 lunid |= (0xff & (unsigned int)(ld_buff->LUN[i][2])) 3047 lunid |= (0xff & (unsigned int)(ld_buff->LUN[i][2]))
3001 << 16; 3048 << 16;
3002 lunid |= (0xff & (unsigned int)(ld_buff->LUN[i][1])) 3049 lunid |= (0xff & (unsigned int)(ld_buff->LUN[i][1]))
3003 << 8; 3050 << 8;
3004 lunid |= 0xff & (unsigned int)(ld_buff->LUN[i][0]); 3051 lunid |= 0xff & (unsigned int)(ld_buff->LUN[i][0]);
3005 3052
3006 hba[cntl_num]->drv[i].LunID = lunid; 3053 hba[cntl_num]->drv[i].LunID = lunid;
3007
3008 3054
3009#ifdef CCISS_DEBUG 3055#ifdef CCISS_DEBUG
3010 printk(KERN_DEBUG "LUN[%d]: %x %x %x %x = %x\n", i, 3056 printk(KERN_DEBUG "LUN[%d]: %x %x %x %x = %x\n", i,
3011 ld_buff->LUN[i][0], ld_buff->LUN[i][1], 3057 ld_buff->LUN[i][0], ld_buff->LUN[i][1],
3012 ld_buff->LUN[i][2], ld_buff->LUN[i][3], 3058 ld_buff->LUN[i][2], ld_buff->LUN[i][3],
3013 hba[cntl_num]->drv[i].LunID); 3059 hba[cntl_num]->drv[i].LunID);
3014#endif /* CCISS_DEBUG */ 3060#endif /* CCISS_DEBUG */
3015 cciss_read_capacity(cntl_num, i, size_buff, 0, 3061 cciss_read_capacity(cntl_num, i, size_buff, 0,
3016 &total_size, &block_size); 3062 &total_size, &block_size);
3017 cciss_geometry_inquiry(cntl_num, i, 0, total_size, 3063 cciss_geometry_inquiry(cntl_num, i, 0, total_size,
3018 block_size, inq_buff, &hba[cntl_num]->drv[i]); 3064 block_size, inq_buff,
3065 &hba[cntl_num]->drv[i]);
3019 } else { 3066 } else {
3020 /* initialize raid_level to indicate a free space */ 3067 /* initialize raid_level to indicate a free space */
3021 hba[cntl_num]->drv[i].raid_level = -1; 3068 hba[cntl_num]->drv[i].raid_level = -1;
@@ -3024,7 +3071,7 @@ static void cciss_getgeometry(int cntl_num)
3024 kfree(ld_buff); 3071 kfree(ld_buff);
3025 kfree(size_buff); 3072 kfree(size_buff);
3026 kfree(inq_buff); 3073 kfree(inq_buff);
3027} 3074}
3028 3075
3029/* Function to find the first free pointer into our hba[] array */ 3076/* Function to find the first free pointer into our hba[] array */
3030/* Returns -1 if no free entries are left. */ 3077/* Returns -1 if no free entries are left. */
@@ -3038,7 +3085,7 @@ static int alloc_cciss_hba(void)
3038 goto out; 3085 goto out;
3039 } 3086 }
3040 3087
3041 for(i=0; i< MAX_CTLR; i++) { 3088 for (i = 0; i < MAX_CTLR; i++) {
3042 if (!hba[i]) { 3089 if (!hba[i]) {
3043 ctlr_info_t *p; 3090 ctlr_info_t *p;
3044 p = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL); 3091 p = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL);
@@ -3051,11 +3098,11 @@ static int alloc_cciss_hba(void)
3051 } 3098 }
3052 } 3099 }
3053 printk(KERN_WARNING "cciss: This driver supports a maximum" 3100 printk(KERN_WARNING "cciss: This driver supports a maximum"
3054 " of %d controllers.\n", MAX_CTLR); 3101 " of %d controllers.\n", MAX_CTLR);
3055 goto out; 3102 goto out;
3056Enomem: 3103 Enomem:
3057 printk(KERN_ERR "cciss: out of memory.\n"); 3104 printk(KERN_ERR "cciss: out of memory.\n");
3058out: 3105 out:
3059 while (n--) 3106 while (n--)
3060 put_disk(disk[n]); 3107 put_disk(disk[n]);
3061 return -1; 3108 return -1;
@@ -3078,7 +3125,7 @@ static void free_hba(int i)
3078 * returns the number of block devices registered. 3125 * returns the number of block devices registered.
3079 */ 3126 */
3080static int __devinit cciss_init_one(struct pci_dev *pdev, 3127static int __devinit cciss_init_one(struct pci_dev *pdev,
3081 const struct pci_device_id *ent) 3128 const struct pci_device_id *ent)
3082{ 3129{
3083 request_queue_t *q; 3130 request_queue_t *q;
3084 int i; 3131 int i;
@@ -3087,7 +3134,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
3087 int dac; 3134 int dac;
3088 3135
3089 i = alloc_cciss_hba(); 3136 i = alloc_cciss_hba();
3090 if(i < 0) 3137 if (i < 0)
3091 return -1; 3138 return -1;
3092 3139
3093 hba[i]->busy_initializing = 1; 3140 hba[i]->busy_initializing = 1;
@@ -3117,64 +3164,69 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
3117 if (i < MAX_CTLR_ORIG) 3164 if (i < MAX_CTLR_ORIG)
3118 hba[i]->major = COMPAQ_CISS_MAJOR + i; 3165 hba[i]->major = COMPAQ_CISS_MAJOR + i;
3119 rc = register_blkdev(hba[i]->major, hba[i]->devname); 3166 rc = register_blkdev(hba[i]->major, hba[i]->devname);
3120 if(rc == -EBUSY || rc == -EINVAL) { 3167 if (rc == -EBUSY || rc == -EINVAL) {
3121 printk(KERN_ERR 3168 printk(KERN_ERR
3122 "cciss: Unable to get major number %d for %s " 3169 "cciss: Unable to get major number %d for %s "
3123 "on hba %d\n", hba[i]->major, hba[i]->devname, i); 3170 "on hba %d\n", hba[i]->major, hba[i]->devname, i);
3124 goto clean1; 3171 goto clean1;
3125 } 3172 } else {
3126 else {
3127 if (i >= MAX_CTLR_ORIG) 3173 if (i >= MAX_CTLR_ORIG)
3128 hba[i]->major = rc; 3174 hba[i]->major = rc;
3129 } 3175 }
3130 3176
3131 /* make sure the board interrupts are off */ 3177 /* make sure the board interrupts are off */
3132 hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_OFF); 3178 hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_OFF);
3133 if( request_irq(hba[i]->intr[SIMPLE_MODE_INT], do_cciss_intr, 3179 if (request_irq(hba[i]->intr[SIMPLE_MODE_INT], do_cciss_intr,
3134 SA_INTERRUPT | SA_SHIRQ, hba[i]->devname, hba[i])) { 3180 SA_INTERRUPT | SA_SHIRQ, hba[i]->devname, hba[i])) {
3135 printk(KERN_ERR "cciss: Unable to get irq %d for %s\n", 3181 printk(KERN_ERR "cciss: Unable to get irq %d for %s\n",
3136 hba[i]->intr[SIMPLE_MODE_INT], hba[i]->devname); 3182 hba[i]->intr[SIMPLE_MODE_INT], hba[i]->devname);
3137 goto clean2; 3183 goto clean2;
3138 } 3184 }
3139 3185
3140 printk(KERN_INFO "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n", 3186 printk(KERN_INFO "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n",
3141 hba[i]->devname, pdev->device, pci_name(pdev), 3187 hba[i]->devname, pdev->device, pci_name(pdev),
3142 hba[i]->intr[SIMPLE_MODE_INT], dac ? "" : " not"); 3188 hba[i]->intr[SIMPLE_MODE_INT], dac ? "" : " not");
3143 3189
3144 hba[i]->cmd_pool_bits = kmalloc(((NR_CMDS+BITS_PER_LONG-1)/BITS_PER_LONG)*sizeof(unsigned long), GFP_KERNEL); 3190 hba[i]->cmd_pool_bits =
3145 hba[i]->cmd_pool = (CommandList_struct *)pci_alloc_consistent( 3191 kmalloc(((NR_CMDS + BITS_PER_LONG -
3146 hba[i]->pdev, NR_CMDS * sizeof(CommandList_struct), 3192 1) / BITS_PER_LONG) * sizeof(unsigned long), GFP_KERNEL);
3147 &(hba[i]->cmd_pool_dhandle)); 3193 hba[i]->cmd_pool = (CommandList_struct *)
3148 hba[i]->errinfo_pool = (ErrorInfo_struct *)pci_alloc_consistent( 3194 pci_alloc_consistent(hba[i]->pdev,
3149 hba[i]->pdev, NR_CMDS * sizeof( ErrorInfo_struct), 3195 NR_CMDS * sizeof(CommandList_struct),
3150 &(hba[i]->errinfo_pool_dhandle)); 3196 &(hba[i]->cmd_pool_dhandle));
3151 if((hba[i]->cmd_pool_bits == NULL) 3197 hba[i]->errinfo_pool = (ErrorInfo_struct *)
3152 || (hba[i]->cmd_pool == NULL) 3198 pci_alloc_consistent(hba[i]->pdev,
3153 || (hba[i]->errinfo_pool == NULL)) { 3199 NR_CMDS * sizeof(ErrorInfo_struct),
3154 printk( KERN_ERR "cciss: out of memory"); 3200 &(hba[i]->errinfo_pool_dhandle));
3201 if ((hba[i]->cmd_pool_bits == NULL)
3202 || (hba[i]->cmd_pool == NULL)
3203 || (hba[i]->errinfo_pool == NULL)) {
3204 printk(KERN_ERR "cciss: out of memory");
3155 goto clean4; 3205 goto clean4;
3156 } 3206 }
3157#ifdef CONFIG_CISS_SCSI_TAPE 3207#ifdef CONFIG_CISS_SCSI_TAPE
3158 hba[i]->scsi_rejects.complete = 3208 hba[i]->scsi_rejects.complete =
3159 kmalloc(sizeof(hba[i]->scsi_rejects.complete[0]) * 3209 kmalloc(sizeof(hba[i]->scsi_rejects.complete[0]) *
3160 (NR_CMDS + 5), GFP_KERNEL); 3210 (NR_CMDS + 5), GFP_KERNEL);
3161 if (hba[i]->scsi_rejects.complete == NULL) { 3211 if (hba[i]->scsi_rejects.complete == NULL) {
3162 printk( KERN_ERR "cciss: out of memory"); 3212 printk(KERN_ERR "cciss: out of memory");
3163 goto clean4; 3213 goto clean4;
3164 } 3214 }
3165#endif 3215#endif
3166 spin_lock_init(&hba[i]->lock); 3216 spin_lock_init(&hba[i]->lock);
3167 3217
3168 /* Initialize the pdev driver private data. 3218 /* Initialize the pdev driver private data.
3169 have it point to hba[i]. */ 3219 have it point to hba[i]. */
3170 pci_set_drvdata(pdev, hba[i]); 3220 pci_set_drvdata(pdev, hba[i]);
3171 /* command and error info recs zeroed out before 3221 /* command and error info recs zeroed out before
3172 they are used */ 3222 they are used */
3173 memset(hba[i]->cmd_pool_bits, 0, ((NR_CMDS+BITS_PER_LONG-1)/BITS_PER_LONG)*sizeof(unsigned long)); 3223 memset(hba[i]->cmd_pool_bits, 0,
3224 ((NR_CMDS + BITS_PER_LONG -
3225 1) / BITS_PER_LONG) * sizeof(unsigned long));
3174 3226
3175#ifdef CCISS_DEBUG 3227#ifdef CCISS_DEBUG
3176 printk(KERN_DEBUG "Scanning for drives on controller cciss%d\n",i); 3228 printk(KERN_DEBUG "Scanning for drives on controller cciss%d\n", i);
3177#endif /* CCISS_DEBUG */ 3229#endif /* CCISS_DEBUG */
3178 3230
3179 cciss_getgeometry(i); 3231 cciss_getgeometry(i);
3180 3232
@@ -3186,15 +3238,15 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
3186 cciss_procinit(i); 3238 cciss_procinit(i);
3187 hba[i]->busy_initializing = 0; 3239 hba[i]->busy_initializing = 0;
3188 3240
3189 for(j=0; j < NWD; j++) { /* mfm */ 3241 for (j = 0; j < NWD; j++) { /* mfm */
3190 drive_info_struct *drv = &(hba[i]->drv[j]); 3242 drive_info_struct *drv = &(hba[i]->drv[j]);
3191 struct gendisk *disk = hba[i]->gendisk[j]; 3243 struct gendisk *disk = hba[i]->gendisk[j];
3192 3244
3193 q = blk_init_queue(do_cciss_request, &hba[i]->lock); 3245 q = blk_init_queue(do_cciss_request, &hba[i]->lock);
3194 if (!q) { 3246 if (!q) {
3195 printk(KERN_ERR 3247 printk(KERN_ERR
3196 "cciss: unable to allocate queue for disk %d\n", 3248 "cciss: unable to allocate queue for disk %d\n",
3197 j); 3249 j);
3198 break; 3250 break;
3199 } 3251 }
3200 drv->queue = q; 3252 drv->queue = q;
@@ -3223,7 +3275,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
3223 disk->driverfs_dev = &pdev->dev; 3275 disk->driverfs_dev = &pdev->dev;
3224 /* we must register the controller even if no disks exist */ 3276 /* we must register the controller even if no disks exist */
3225 /* this is for the online array utilities */ 3277 /* this is for the online array utilities */
3226 if(!drv->heads && j) 3278 if (!drv->heads && j)
3227 continue; 3279 continue;
3228 blk_queue_hardsect_size(q, drv->block_size); 3280 blk_queue_hardsect_size(q, drv->block_size);
3229 set_capacity(disk, drv->nr_blocks); 3281 set_capacity(disk, drv->nr_blocks);
@@ -3232,81 +3284,78 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
3232 3284
3233 return 1; 3285 return 1;
3234 3286
3235clean4: 3287 clean4:
3236#ifdef CONFIG_CISS_SCSI_TAPE 3288#ifdef CONFIG_CISS_SCSI_TAPE
3237 kfree(hba[i]->scsi_rejects.complete); 3289 kfree(hba[i]->scsi_rejects.complete);
3238#endif 3290#endif
3239 kfree(hba[i]->cmd_pool_bits); 3291 kfree(hba[i]->cmd_pool_bits);
3240 if(hba[i]->cmd_pool) 3292 if (hba[i]->cmd_pool)
3241 pci_free_consistent(hba[i]->pdev, 3293 pci_free_consistent(hba[i]->pdev,
3242 NR_CMDS * sizeof(CommandList_struct), 3294 NR_CMDS * sizeof(CommandList_struct),
3243 hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle); 3295 hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle);
3244 if(hba[i]->errinfo_pool) 3296 if (hba[i]->errinfo_pool)
3245 pci_free_consistent(hba[i]->pdev, 3297 pci_free_consistent(hba[i]->pdev,
3246 NR_CMDS * sizeof( ErrorInfo_struct), 3298 NR_CMDS * sizeof(ErrorInfo_struct),
3247 hba[i]->errinfo_pool, 3299 hba[i]->errinfo_pool,
3248 hba[i]->errinfo_pool_dhandle); 3300 hba[i]->errinfo_pool_dhandle);
3249 free_irq(hba[i]->intr[SIMPLE_MODE_INT], hba[i]); 3301 free_irq(hba[i]->intr[SIMPLE_MODE_INT], hba[i]);
3250clean2: 3302 clean2:
3251 unregister_blkdev(hba[i]->major, hba[i]->devname); 3303 unregister_blkdev(hba[i]->major, hba[i]->devname);
3252clean1: 3304 clean1:
3253 hba[i]->busy_initializing = 0; 3305 hba[i]->busy_initializing = 0;
3254 free_hba(i); 3306 free_hba(i);
3255 return -1; 3307 return -1;
3256} 3308}
3257 3309
3258static void __devexit cciss_remove_one (struct pci_dev *pdev) 3310static void __devexit cciss_remove_one(struct pci_dev *pdev)
3259{ 3311{
3260 ctlr_info_t *tmp_ptr; 3312 ctlr_info_t *tmp_ptr;
3261 int i, j; 3313 int i, j;
3262 char flush_buf[4]; 3314 char flush_buf[4];
3263 int return_code; 3315 int return_code;
3264 3316
3265 if (pci_get_drvdata(pdev) == NULL) 3317 if (pci_get_drvdata(pdev) == NULL) {
3266 { 3318 printk(KERN_ERR "cciss: Unable to remove device \n");
3267 printk( KERN_ERR "cciss: Unable to remove device \n");
3268 return; 3319 return;
3269 } 3320 }
3270 tmp_ptr = pci_get_drvdata(pdev); 3321 tmp_ptr = pci_get_drvdata(pdev);
3271 i = tmp_ptr->ctlr; 3322 i = tmp_ptr->ctlr;
3272 if (hba[i] == NULL) 3323 if (hba[i] == NULL) {
3273 {
3274 printk(KERN_ERR "cciss: device appears to " 3324 printk(KERN_ERR "cciss: device appears to "
3275 "already be removed \n"); 3325 "already be removed \n");
3276 return; 3326 return;
3277 } 3327 }
3278 /* Turn board interrupts off and send the flush cache command */ 3328 /* Turn board interrupts off and send the flush cache command */
3279 /* sendcmd will turn off interrupt, and send the flush... 3329 /* sendcmd will turn off interrupt, and send the flush...
3280 * To write all data in the battery backed cache to disks */ 3330 * To write all data in the battery backed cache to disks */
3281 memset(flush_buf, 0, 4); 3331 memset(flush_buf, 0, 4);
3282 return_code = sendcmd(CCISS_CACHE_FLUSH, i, flush_buf, 4, 0, 0, 0, NULL, 3332 return_code = sendcmd(CCISS_CACHE_FLUSH, i, flush_buf, 4, 0, 0, 0, NULL,
3283 TYPE_CMD); 3333 TYPE_CMD);
3284 if(return_code != IO_OK) 3334 if (return_code != IO_OK) {
3285 { 3335 printk(KERN_WARNING "Error Flushing cache on controller %d\n",
3286 printk(KERN_WARNING "Error Flushing cache on controller %d\n", 3336 i);
3287 i);
3288 } 3337 }
3289 free_irq(hba[i]->intr[2], hba[i]); 3338 free_irq(hba[i]->intr[2], hba[i]);
3290 3339
3291#ifdef CONFIG_PCI_MSI 3340#ifdef CONFIG_PCI_MSI
3292 if (hba[i]->msix_vector) 3341 if (hba[i]->msix_vector)
3293 pci_disable_msix(hba[i]->pdev); 3342 pci_disable_msix(hba[i]->pdev);
3294 else if (hba[i]->msi_vector) 3343 else if (hba[i]->msi_vector)
3295 pci_disable_msi(hba[i]->pdev); 3344 pci_disable_msi(hba[i]->pdev);
3296#endif /* CONFIG_PCI_MSI */ 3345#endif /* CONFIG_PCI_MSI */
3297 3346
3298 iounmap(hba[i]->vaddr); 3347 iounmap(hba[i]->vaddr);
3299 cciss_unregister_scsi(i); /* unhook from SCSI subsystem */ 3348 cciss_unregister_scsi(i); /* unhook from SCSI subsystem */
3300 unregister_blkdev(hba[i]->major, hba[i]->devname); 3349 unregister_blkdev(hba[i]->major, hba[i]->devname);
3301 remove_proc_entry(hba[i]->devname, proc_cciss); 3350 remove_proc_entry(hba[i]->devname, proc_cciss);
3302 3351
3303 /* remove it from the disk list */ 3352 /* remove it from the disk list */
3304 for (j = 0; j < NWD; j++) { 3353 for (j = 0; j < NWD; j++) {
3305 struct gendisk *disk = hba[i]->gendisk[j]; 3354 struct gendisk *disk = hba[i]->gendisk[j];
3306 if (disk) { 3355 if (disk) {
3307 request_queue_t *q = disk->queue; 3356 request_queue_t *q = disk->queue;
3308 3357
3309 if (disk->flags & GENHD_FL_UP) 3358 if (disk->flags & GENHD_FL_UP)
3310 del_gendisk(disk); 3359 del_gendisk(disk);
3311 if (q) 3360 if (q)
3312 blk_cleanup_queue(q); 3361 blk_cleanup_queue(q);
@@ -3315,28 +3364,28 @@ static void __devexit cciss_remove_one (struct pci_dev *pdev)
3315 3364
3316 pci_free_consistent(hba[i]->pdev, NR_CMDS * sizeof(CommandList_struct), 3365 pci_free_consistent(hba[i]->pdev, NR_CMDS * sizeof(CommandList_struct),
3317 hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle); 3366 hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle);
3318 pci_free_consistent(hba[i]->pdev, NR_CMDS * sizeof( ErrorInfo_struct), 3367 pci_free_consistent(hba[i]->pdev, NR_CMDS * sizeof(ErrorInfo_struct),
3319 hba[i]->errinfo_pool, hba[i]->errinfo_pool_dhandle); 3368 hba[i]->errinfo_pool, hba[i]->errinfo_pool_dhandle);
3320 kfree(hba[i]->cmd_pool_bits); 3369 kfree(hba[i]->cmd_pool_bits);
3321#ifdef CONFIG_CISS_SCSI_TAPE 3370#ifdef CONFIG_CISS_SCSI_TAPE
3322 kfree(hba[i]->scsi_rejects.complete); 3371 kfree(hba[i]->scsi_rejects.complete);
3323#endif 3372#endif
3324 pci_release_regions(pdev); 3373 pci_release_regions(pdev);
3325 pci_disable_device(pdev); 3374 pci_disable_device(pdev);
3326 pci_set_drvdata(pdev, NULL); 3375 pci_set_drvdata(pdev, NULL);
3327 free_hba(i); 3376 free_hba(i);
3328} 3377}
3329 3378
3330static struct pci_driver cciss_pci_driver = { 3379static struct pci_driver cciss_pci_driver = {
3331 .name = "cciss", 3380 .name = "cciss",
3332 .probe = cciss_init_one, 3381 .probe = cciss_init_one,
3333 .remove = __devexit_p(cciss_remove_one), 3382 .remove = __devexit_p(cciss_remove_one),
3334 .id_table = cciss_pci_device_id, /* id_table */ 3383 .id_table = cciss_pci_device_id, /* id_table */
3335}; 3384};
3336 3385
3337/* 3386/*
3338 * This is it. Register the PCI driver information for the cards we control 3387 * This is it. Register the PCI driver information for the cards we control
3339 * the OS will call our registered routines when it finds one of our cards. 3388 * the OS will call our registered routines when it finds one of our cards.
3340 */ 3389 */
3341static int __init cciss_init(void) 3390static int __init cciss_init(void)
3342{ 3391{
@@ -3352,12 +3401,10 @@ static void __exit cciss_cleanup(void)
3352 3401
3353 pci_unregister_driver(&cciss_pci_driver); 3402 pci_unregister_driver(&cciss_pci_driver);
3354 /* double check that all controller entrys have been removed */ 3403 /* double check that all controller entrys have been removed */
3355 for (i=0; i< MAX_CTLR; i++) 3404 for (i = 0; i < MAX_CTLR; i++) {
3356 { 3405 if (hba[i] != NULL) {
3357 if (hba[i] != NULL)
3358 {
3359 printk(KERN_WARNING "cciss: had to remove" 3406 printk(KERN_WARNING "cciss: had to remove"
3360 " controller %d\n", i); 3407 " controller %d\n", i);
3361 cciss_remove_one(hba[i]->pdev); 3408 cciss_remove_one(hba[i]->pdev);
3362 } 3409 }
3363 } 3410 }
@@ -3372,21 +3419,21 @@ static void fail_all_cmds(unsigned long ctlr)
3372 unsigned long flags; 3419 unsigned long flags;
3373 3420
3374 printk(KERN_WARNING "cciss%d: controller not responding.\n", h->ctlr); 3421 printk(KERN_WARNING "cciss%d: controller not responding.\n", h->ctlr);
3375 h->alive = 0; /* the controller apparently died... */ 3422 h->alive = 0; /* the controller apparently died... */
3376 3423
3377 spin_lock_irqsave(CCISS_LOCK(ctlr), flags); 3424 spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
3378 3425
3379 pci_disable_device(h->pdev); /* Make sure it is really dead. */ 3426 pci_disable_device(h->pdev); /* Make sure it is really dead. */
3380 3427
3381 /* move everything off the request queue onto the completed queue */ 3428 /* move everything off the request queue onto the completed queue */
3382 while( (c = h->reqQ) != NULL ) { 3429 while ((c = h->reqQ) != NULL) {
3383 removeQ(&(h->reqQ), c); 3430 removeQ(&(h->reqQ), c);
3384 h->Qdepth--; 3431 h->Qdepth--;
3385 addQ (&(h->cmpQ), c); 3432 addQ(&(h->cmpQ), c);
3386 } 3433 }
3387 3434
3388 /* Now, fail everything on the completed queue with a HW error */ 3435 /* Now, fail everything on the completed queue with a HW error */
3389 while( (c = h->cmpQ) != NULL ) { 3436 while ((c = h->cmpQ) != NULL) {
3390 removeQ(&h->cmpQ, c); 3437 removeQ(&h->cmpQ, c);
3391 c->err_info->CommandStatus = CMD_HARDWARE_ERR; 3438 c->err_info->CommandStatus = CMD_HARDWARE_ERR;
3392 if (c->cmd_type == CMD_RWREQ) { 3439 if (c->cmd_type == CMD_RWREQ) {
@@ -3394,8 +3441,8 @@ static void fail_all_cmds(unsigned long ctlr)
3394 } else if (c->cmd_type == CMD_IOCTL_PEND) 3441 } else if (c->cmd_type == CMD_IOCTL_PEND)
3395 complete(c->waiting); 3442 complete(c->waiting);
3396#ifdef CONFIG_CISS_SCSI_TAPE 3443#ifdef CONFIG_CISS_SCSI_TAPE
3397 else if (c->cmd_type == CMD_SCSI) 3444 else if (c->cmd_type == CMD_SCSI)
3398 complete_scsi_command(c, 0, 0); 3445 complete_scsi_command(c, 0, 0);
3399#endif 3446#endif
3400 } 3447 }
3401 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); 3448 spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-11 22:59:34 -0500