Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Andrew Vasquez | fa90c54 | 2005-10-27 11:10:08 -0700 | [diff] [blame] | 2 | * QLogic Fibre Channel HBA Driver |
| 3 | * Copyright (c) 2003-2005 QLogic Corporation |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Andrew Vasquez | fa90c54 | 2005-10-27 11:10:08 -0700 | [diff] [blame] | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | */ |
| 7 | #include "qla_def.h" |
| 8 | |
| 9 | #include <linux/moduleparam.h> |
| 10 | #include <linux/vmalloc.h> |
| 11 | #include <linux/smp_lock.h> |
| 12 | #include <linux/delay.h> |
| 13 | |
| 14 | #include <scsi/scsi_tcq.h> |
| 15 | #include <scsi/scsicam.h> |
| 16 | #include <scsi/scsi_transport.h> |
| 17 | #include <scsi/scsi_transport_fc.h> |
| 18 | |
| 19 | /* |
| 20 | * Driver version |
| 21 | */ |
| 22 | char qla2x00_version_str[40]; |
| 23 | |
| 24 | /* |
| 25 | * SRB allocation cache |
| 26 | */ |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 27 | static kmem_cache_t *srb_cachep; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
| 29 | /* |
| 30 | * Ioctl related information. |
| 31 | */ |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 32 | static int num_hosts; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | |
| 34 | int ql2xlogintimeout = 20; |
| 35 | module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR); |
| 36 | MODULE_PARM_DESC(ql2xlogintimeout, |
| 37 | "Login timeout value in seconds."); |
| 38 | |
| 8482e11 | 2005-04-17 15:04:54 -0500 | [diff] [blame] | 39 | int qlport_down_retry = 30; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR); |
| 41 | MODULE_PARM_DESC(qlport_down_retry, |
| 42 | "Maximum number of command retries to a port that returns" |
| 43 | "a PORT-DOWN status."); |
| 44 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | int ql2xplogiabsentdevice; |
| 46 | module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); |
| 47 | MODULE_PARM_DESC(ql2xplogiabsentdevice, |
| 48 | "Option to enable PLOGI to devices that are not present after " |
| 49 | "a Fabric scan. This is needed for several broken switches." |
| 50 | "Default is 0 - no PLOGI. 1 - perfom PLOGI."); |
| 51 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | int ql2xloginretrycount = 0; |
| 53 | module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR); |
| 54 | MODULE_PARM_DESC(ql2xloginretrycount, |
| 55 | "Specify an alternate value for the NVRAM login retry count."); |
| 56 | |
Andrew Vasquez | 331e347 | 2005-11-09 15:49:19 -0800 | [diff] [blame] | 57 | #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) |
| 58 | int ql2xfwloadflash; |
| 59 | module_param(ql2xfwloadflash, int, S_IRUGO|S_IRUSR); |
| 60 | MODULE_PARM_DESC(ql2xfwloadflash, |
| 61 | "Load ISP24xx firmware image from FLASH (onboard memory)."); |
| 62 | #endif |
| 63 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | static void qla2x00_free_device(scsi_qla_host_t *); |
| 65 | |
| 66 | static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha); |
| 67 | |
Andrew Vasquez | cca5335 | 2005-08-26 19:08:30 -0700 | [diff] [blame] | 68 | int ql2xfdmienable; |
| 69 | module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); |
| 70 | MODULE_PARM_DESC(ql2xfdmienable, |
| 71 | "Enables FDMI registratons " |
| 72 | "Default is 0 - no FDMI. 1 - perfom FDMI."); |
| 73 | |
andrew.vasquez@qlogic.com | 79f89a4 | 2006-01-13 17:05:58 -0800 | [diff] [blame] | 74 | int ql2xprocessrscn; |
| 75 | module_param(ql2xprocessrscn, int, S_IRUGO|S_IRUSR); |
| 76 | MODULE_PARM_DESC(ql2xprocessrscn, |
| 77 | "Option to enable port RSCN handling via a series of less" |
| 78 | "fabric intrusive ADISCs and PLOGIs."); |
| 79 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | /* |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 81 | * SCSI host template entry points |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | */ |
| 83 | static int qla2xxx_slave_configure(struct scsi_device * device); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 84 | static int qla2xxx_slave_alloc(struct scsi_device *); |
| 85 | static void qla2xxx_slave_destroy(struct scsi_device *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | static int qla2x00_queuecommand(struct scsi_cmnd *cmd, |
| 87 | void (*fn)(struct scsi_cmnd *)); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 88 | static int qla24xx_queuecommand(struct scsi_cmnd *cmd, |
| 89 | void (*fn)(struct scsi_cmnd *)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | static int qla2xxx_eh_abort(struct scsi_cmnd *); |
| 91 | static int qla2xxx_eh_device_reset(struct scsi_cmnd *); |
| 92 | static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); |
| 93 | static int qla2xxx_eh_host_reset(struct scsi_cmnd *); |
| 94 | static int qla2x00_loop_reset(scsi_qla_host_t *ha); |
| 95 | static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *); |
| 96 | |
Andrew Vasquez | ce7e4af | 2005-08-26 19:09:30 -0700 | [diff] [blame] | 97 | static int qla2x00_change_queue_depth(struct scsi_device *, int); |
| 98 | static int qla2x00_change_queue_type(struct scsi_device *, int); |
| 99 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | static struct scsi_host_template qla2x00_driver_template = { |
| 101 | .module = THIS_MODULE, |
| 102 | .name = "qla2xxx", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | .queuecommand = qla2x00_queuecommand, |
| 104 | |
| 105 | .eh_abort_handler = qla2xxx_eh_abort, |
| 106 | .eh_device_reset_handler = qla2xxx_eh_device_reset, |
| 107 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, |
| 108 | .eh_host_reset_handler = qla2xxx_eh_host_reset, |
| 109 | |
| 110 | .slave_configure = qla2xxx_slave_configure, |
| 111 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 112 | .slave_alloc = qla2xxx_slave_alloc, |
| 113 | .slave_destroy = qla2xxx_slave_destroy, |
Andrew Vasquez | ce7e4af | 2005-08-26 19:09:30 -0700 | [diff] [blame] | 114 | .change_queue_depth = qla2x00_change_queue_depth, |
| 115 | .change_queue_type = qla2x00_change_queue_type, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | .this_id = -1, |
| 117 | .cmd_per_lun = 3, |
| 118 | .use_clustering = ENABLE_CLUSTERING, |
| 119 | .sg_tablesize = SG_ALL, |
| 120 | |
| 121 | /* |
| 122 | * The RISC allows for each command to transfer (2^32-1) bytes of data, |
| 123 | * which equates to 0x800000 sectors. |
| 124 | */ |
| 125 | .max_sectors = 0xFFFF, |
Andrew Vasquez | afb046e | 2005-08-26 19:09:40 -0700 | [diff] [blame] | 126 | .shost_attrs = qla2x00_host_attrs, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | }; |
| 128 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 129 | static struct scsi_host_template qla24xx_driver_template = { |
| 130 | .module = THIS_MODULE, |
| 131 | .name = "qla2xxx", |
| 132 | .queuecommand = qla24xx_queuecommand, |
| 133 | |
| 134 | .eh_abort_handler = qla2xxx_eh_abort, |
| 135 | .eh_device_reset_handler = qla2xxx_eh_device_reset, |
| 136 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, |
| 137 | .eh_host_reset_handler = qla2xxx_eh_host_reset, |
| 138 | |
| 139 | .slave_configure = qla2xxx_slave_configure, |
| 140 | |
| 141 | .slave_alloc = qla2xxx_slave_alloc, |
| 142 | .slave_destroy = qla2xxx_slave_destroy, |
Andrew Vasquez | ce7e4af | 2005-08-26 19:09:30 -0700 | [diff] [blame] | 143 | .change_queue_depth = qla2x00_change_queue_depth, |
| 144 | .change_queue_type = qla2x00_change_queue_type, |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 145 | .this_id = -1, |
| 146 | .cmd_per_lun = 3, |
| 147 | .use_clustering = ENABLE_CLUSTERING, |
| 148 | .sg_tablesize = SG_ALL, |
| 149 | |
| 150 | .max_sectors = 0xFFFF, |
Andrew Vasquez | afb046e | 2005-08-26 19:09:40 -0700 | [diff] [blame] | 151 | .shost_attrs = qla2x00_host_attrs, |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 152 | }; |
| 153 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
| 155 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | /* TODO Convert to inlines |
| 157 | * |
| 158 | * Timer routines |
| 159 | */ |
| 160 | #define WATCH_INTERVAL 1 /* number of seconds */ |
| 161 | |
| 162 | static void qla2x00_timer(scsi_qla_host_t *); |
| 163 | |
| 164 | static __inline__ void qla2x00_start_timer(scsi_qla_host_t *, |
| 165 | void *, unsigned long); |
| 166 | static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long); |
| 167 | static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *); |
| 168 | |
| 169 | static inline void |
| 170 | qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) |
| 171 | { |
| 172 | init_timer(&ha->timer); |
| 173 | ha->timer.expires = jiffies + interval * HZ; |
| 174 | ha->timer.data = (unsigned long)ha; |
| 175 | ha->timer.function = (void (*)(unsigned long))func; |
| 176 | add_timer(&ha->timer); |
| 177 | ha->timer_active = 1; |
| 178 | } |
| 179 | |
| 180 | static inline void |
| 181 | qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) |
| 182 | { |
| 183 | mod_timer(&ha->timer, jiffies + interval * HZ); |
| 184 | } |
| 185 | |
| 186 | static __inline__ void |
| 187 | qla2x00_stop_timer(scsi_qla_host_t *ha) |
| 188 | { |
| 189 | del_timer_sync(&ha->timer); |
| 190 | ha->timer_active = 0; |
| 191 | } |
| 192 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | static int qla2x00_do_dpc(void *data); |
| 194 | |
| 195 | static void qla2x00_rst_aen(scsi_qla_host_t *); |
| 196 | |
| 197 | static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); |
| 198 | static void qla2x00_mem_free(scsi_qla_host_t *ha); |
| 199 | static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha); |
| 200 | static void qla2x00_free_sp_pool(scsi_qla_host_t *ha); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 201 | static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); |
| 202 | void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | /* -------------------------------------------------------------------------- */ |
| 205 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | static char * |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 207 | qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | { |
| 209 | static char *pci_bus_modes[] = { |
| 210 | "33", "66", "100", "133", |
| 211 | }; |
| 212 | uint16_t pci_bus; |
| 213 | |
| 214 | strcpy(str, "PCI"); |
| 215 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; |
| 216 | if (pci_bus) { |
| 217 | strcat(str, "-X ("); |
| 218 | strcat(str, pci_bus_modes[pci_bus]); |
| 219 | } else { |
| 220 | pci_bus = (ha->pci_attr & BIT_8) >> 8; |
| 221 | strcat(str, " ("); |
| 222 | strcat(str, pci_bus_modes[pci_bus]); |
| 223 | } |
| 224 | strcat(str, " MHz)"); |
| 225 | |
| 226 | return (str); |
| 227 | } |
| 228 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 229 | static char * |
| 230 | qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) |
| 231 | { |
| 232 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; |
| 233 | uint32_t pci_bus; |
| 234 | int pcie_reg; |
| 235 | |
| 236 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); |
| 237 | if (pcie_reg) { |
| 238 | char lwstr[6]; |
| 239 | uint16_t pcie_lstat, lspeed, lwidth; |
| 240 | |
| 241 | pcie_reg += 0x12; |
| 242 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); |
| 243 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); |
| 244 | lwidth = (pcie_lstat & |
| 245 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; |
| 246 | |
| 247 | strcpy(str, "PCIe ("); |
| 248 | if (lspeed == 1) |
| 249 | strcat(str, "2.5Gb/s "); |
| 250 | else |
| 251 | strcat(str, "<unknown> "); |
| 252 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); |
| 253 | strcat(str, lwstr); |
| 254 | |
| 255 | return str; |
| 256 | } |
| 257 | |
| 258 | strcpy(str, "PCI"); |
| 259 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; |
| 260 | if (pci_bus == 0 || pci_bus == 8) { |
| 261 | strcat(str, " ("); |
| 262 | strcat(str, pci_bus_modes[pci_bus >> 3]); |
| 263 | } else { |
| 264 | strcat(str, "-X "); |
| 265 | if (pci_bus & BIT_2) |
| 266 | strcat(str, "Mode 2"); |
| 267 | else |
| 268 | strcat(str, "Mode 1"); |
| 269 | strcat(str, " ("); |
| 270 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); |
| 271 | } |
| 272 | strcat(str, " MHz)"); |
| 273 | |
| 274 | return str; |
| 275 | } |
| 276 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | char * |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 278 | qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | { |
| 280 | char un_str[10]; |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 281 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
| 283 | ha->fw_minor_version, |
| 284 | ha->fw_subminor_version); |
| 285 | |
| 286 | if (ha->fw_attributes & BIT_9) { |
| 287 | strcat(str, "FLX"); |
| 288 | return (str); |
| 289 | } |
| 290 | |
| 291 | switch (ha->fw_attributes & 0xFF) { |
| 292 | case 0x7: |
| 293 | strcat(str, "EF"); |
| 294 | break; |
| 295 | case 0x17: |
| 296 | strcat(str, "TP"); |
| 297 | break; |
| 298 | case 0x37: |
| 299 | strcat(str, "IP"); |
| 300 | break; |
| 301 | case 0x77: |
| 302 | strcat(str, "VI"); |
| 303 | break; |
| 304 | default: |
| 305 | sprintf(un_str, "(%x)", ha->fw_attributes); |
| 306 | strcat(str, un_str); |
| 307 | break; |
| 308 | } |
| 309 | if (ha->fw_attributes & 0x100) |
| 310 | strcat(str, "X"); |
| 311 | |
| 312 | return (str); |
| 313 | } |
| 314 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 315 | char * |
| 316 | qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) |
| 317 | { |
Andrew Vasquez | f0883ac | 2005-07-08 17:58:43 -0700 | [diff] [blame] | 318 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
| 319 | ha->fw_minor_version, |
| 320 | ha->fw_subminor_version); |
| 321 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 322 | if (ha->fw_attributes & BIT_0) |
| 323 | strcat(str, "[Class 2] "); |
| 324 | if (ha->fw_attributes & BIT_1) |
| 325 | strcat(str, "[IP] "); |
| 326 | if (ha->fw_attributes & BIT_2) |
| 327 | strcat(str, "[Multi-ID] "); |
| 328 | if (ha->fw_attributes & BIT_13) |
| 329 | strcat(str, "[Experimental]"); |
| 330 | return str; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 331 | } |
| 332 | |
| 333 | static inline srb_t * |
| 334 | qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport, |
| 335 | struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
| 336 | { |
| 337 | srb_t *sp; |
| 338 | |
| 339 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); |
| 340 | if (!sp) |
| 341 | return sp; |
| 342 | |
| 343 | atomic_set(&sp->ref_count, 1); |
| 344 | sp->ha = ha; |
| 345 | sp->fcport = fcport; |
| 346 | sp->cmd = cmd; |
| 347 | sp->flags = 0; |
| 348 | CMD_SP(cmd) = (void *)sp; |
| 349 | cmd->scsi_done = done; |
| 350 | |
| 351 | return sp; |
| 352 | } |
| 353 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | static int |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 355 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 357 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 358 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 359 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 360 | srb_t *sp; |
| 361 | int rval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 363 | rval = fc_remote_port_chkready(rport); |
| 364 | if (rval) { |
| 365 | cmd->result = rval; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 366 | goto qc_fail_command; |
| 367 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | |
andrew.vasquez@qlogic.com | 387f96b | 2006-02-07 08:45:45 -0800 | [diff] [blame^] | 369 | /* Close window on fcport/rport state-transitioning. */ |
| 370 | if (!*(fc_port_t **)rport->dd_data) { |
| 371 | cmd->result = DID_IMM_RETRY << 16; |
| 372 | goto qc_fail_command; |
| 373 | } |
| 374 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 375 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
| 376 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || |
| 377 | atomic_read(&ha->loop_state) == LOOP_DEAD) { |
| 378 | cmd->result = DID_NO_CONNECT << 16; |
| 379 | goto qc_fail_command; |
| 380 | } |
| 381 | goto qc_host_busy; |
| 382 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | |
| 384 | spin_unlock_irq(ha->host->host_lock); |
| 385 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 386 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
| 387 | if (!sp) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 388 | goto qc_host_busy_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 390 | rval = qla2x00_start_scsi(sp); |
| 391 | if (rval != QLA_SUCCESS) |
| 392 | goto qc_host_busy_free_sp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | spin_lock_irq(ha->host->host_lock); |
| 395 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 396 | return 0; |
| 397 | |
| 398 | qc_host_busy_free_sp: |
| 399 | qla2x00_sp_free_dma(ha, sp); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 400 | mempool_free(sp, ha->srb_mempool); |
| 401 | |
| 402 | qc_host_busy_lock: |
| 403 | spin_lock_irq(ha->host->host_lock); |
| 404 | |
| 405 | qc_host_busy: |
| 406 | return SCSI_MLQUEUE_HOST_BUSY; |
| 407 | |
| 408 | qc_fail_command: |
| 409 | done(cmd); |
| 410 | |
| 411 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | } |
| 413 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 414 | |
| 415 | static int |
| 416 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
| 417 | { |
| 418 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
| 419 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 420 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 421 | srb_t *sp; |
| 422 | int rval; |
| 423 | |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 424 | rval = fc_remote_port_chkready(rport); |
| 425 | if (rval) { |
| 426 | cmd->result = rval; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 427 | goto qc24_fail_command; |
| 428 | } |
| 429 | |
andrew.vasquez@qlogic.com | 387f96b | 2006-02-07 08:45:45 -0800 | [diff] [blame^] | 430 | /* Close window on fcport/rport state-transitioning. */ |
| 431 | if (!*(fc_port_t **)rport->dd_data) { |
| 432 | cmd->result = DID_IMM_RETRY << 16; |
| 433 | goto qc24_fail_command; |
| 434 | } |
| 435 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 436 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
| 437 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || |
| 438 | atomic_read(&ha->loop_state) == LOOP_DEAD) { |
| 439 | cmd->result = DID_NO_CONNECT << 16; |
| 440 | goto qc24_fail_command; |
| 441 | } |
| 442 | goto qc24_host_busy; |
| 443 | } |
| 444 | |
| 445 | spin_unlock_irq(ha->host->host_lock); |
| 446 | |
| 447 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
| 448 | if (!sp) |
| 449 | goto qc24_host_busy_lock; |
| 450 | |
| 451 | rval = qla24xx_start_scsi(sp); |
| 452 | if (rval != QLA_SUCCESS) |
| 453 | goto qc24_host_busy_free_sp; |
| 454 | |
| 455 | spin_lock_irq(ha->host->host_lock); |
| 456 | |
| 457 | return 0; |
| 458 | |
| 459 | qc24_host_busy_free_sp: |
| 460 | qla2x00_sp_free_dma(ha, sp); |
| 461 | mempool_free(sp, ha->srb_mempool); |
| 462 | |
| 463 | qc24_host_busy_lock: |
| 464 | spin_lock_irq(ha->host->host_lock); |
| 465 | |
| 466 | qc24_host_busy: |
| 467 | return SCSI_MLQUEUE_HOST_BUSY; |
| 468 | |
| 469 | qc24_fail_command: |
| 470 | done(cmd); |
| 471 | |
| 472 | return 0; |
| 473 | } |
| 474 | |
| 475 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | /* |
| 477 | * qla2x00_eh_wait_on_command |
| 478 | * Waits for the command to be returned by the Firmware for some |
| 479 | * max time. |
| 480 | * |
| 481 | * Input: |
| 482 | * ha = actual ha whose done queue will contain the command |
| 483 | * returned by firmware. |
| 484 | * cmd = Scsi Command to wait on. |
| 485 | * flag = Abort/Reset(Bus or Device Reset) |
| 486 | * |
| 487 | * Return: |
| 488 | * Not Found : 0 |
| 489 | * Found : 1 |
| 490 | */ |
| 491 | static int |
| 492 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) |
| 493 | { |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 494 | #define ABORT_POLLING_PERIOD 1000 |
| 495 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 496 | unsigned long wait_iter = ABORT_WAIT_ITER; |
| 497 | int ret = QLA_SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 498 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 499 | while (CMD_SP(cmd)) { |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 500 | msleep(ABORT_POLLING_PERIOD); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 502 | if (--wait_iter) |
| 503 | break; |
| 504 | } |
| 505 | if (CMD_SP(cmd)) |
| 506 | ret = QLA_FUNCTION_FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 508 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | } |
| 510 | |
| 511 | /* |
| 512 | * qla2x00_wait_for_hba_online |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 513 | * Wait till the HBA is online after going through |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | * <= MAX_RETRIES_OF_ISP_ABORT or |
| 515 | * finally HBA is disabled ie marked offline |
| 516 | * |
| 517 | * Input: |
| 518 | * ha - pointer to host adapter structure |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 519 | * |
| 520 | * Note: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | * Does context switching-Release SPIN_LOCK |
| 522 | * (if any) before calling this routine. |
| 523 | * |
| 524 | * Return: |
| 525 | * Success (Adapter is online) : 0 |
| 526 | * Failed (Adapter is offline/disabled) : 1 |
| 527 | */ |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 528 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
| 530 | { |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 531 | int return_status; |
| 532 | unsigned long wait_online; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 533 | |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 534 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 535 | while (((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) || |
| 536 | test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || |
| 537 | test_bit(ISP_ABORT_RETRY, &ha->dpc_flags) || |
| 538 | ha->dpc_active) && time_before(jiffies, wait_online)) { |
| 539 | |
| 540 | msleep(1000); |
| 541 | } |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 542 | if (ha->flags.online) |
| 543 | return_status = QLA_SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | else |
| 545 | return_status = QLA_FUNCTION_FAILED; |
| 546 | |
| 547 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); |
| 548 | |
| 549 | return (return_status); |
| 550 | } |
| 551 | |
| 552 | /* |
| 553 | * qla2x00_wait_for_loop_ready |
| 554 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 555 | * to be in LOOP_READY state. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | * Input: |
| 557 | * ha - pointer to host adapter structure |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 558 | * |
| 559 | * Note: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | * Does context switching-Release SPIN_LOCK |
| 561 | * (if any) before calling this routine. |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 562 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | * |
| 564 | * Return: |
| 565 | * Success (LOOP_READY) : 0 |
| 566 | * Failed (LOOP_NOT_READY) : 1 |
| 567 | */ |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 568 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
| 570 | { |
| 571 | int return_status = QLA_SUCCESS; |
| 572 | unsigned long loop_timeout ; |
| 573 | |
| 574 | /* wait for 5 min at the max for loop to be ready */ |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 575 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | |
| 577 | while ((!atomic_read(&ha->loop_down_timer) && |
| 578 | atomic_read(&ha->loop_state) == LOOP_DOWN) || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | atomic_read(&ha->loop_state) != LOOP_READY) { |
| 580 | msleep(1000); |
| 581 | if (time_after_eq(jiffies, loop_timeout)) { |
| 582 | return_status = QLA_FUNCTION_FAILED; |
| 583 | break; |
| 584 | } |
| 585 | } |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 586 | return (return_status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | } |
| 588 | |
| 589 | /************************************************************************** |
| 590 | * qla2xxx_eh_abort |
| 591 | * |
| 592 | * Description: |
| 593 | * The abort function will abort the specified command. |
| 594 | * |
| 595 | * Input: |
| 596 | * cmd = Linux SCSI command packet to be aborted. |
| 597 | * |
| 598 | * Returns: |
| 599 | * Either SUCCESS or FAILED. |
| 600 | * |
| 601 | * Note: |
| 602 | **************************************************************************/ |
| 603 | int |
| 604 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) |
| 605 | { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 606 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
| 607 | srb_t *sp; |
| 608 | int ret, i; |
| 609 | unsigned int id, lun; |
| 610 | unsigned long serial; |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 611 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 612 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 613 | if (!CMD_SP(cmd)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | return FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 616 | ret = FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 618 | id = cmd->device->id; |
| 619 | lun = cmd->device->lun; |
| 620 | serial = cmd->serial_number; |
| 621 | |
| 622 | /* Check active list for command command. */ |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 623 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 624 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
| 625 | sp = ha->outstanding_cmds[i]; |
| 626 | |
| 627 | if (sp == NULL) |
| 628 | continue; |
| 629 | |
| 630 | if (sp->cmd != cmd) |
| 631 | continue; |
| 632 | |
| 633 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld " |
| 634 | "sp->state=%x\n", __func__, ha->host_no, sp, serial, |
| 635 | sp->state)); |
| 636 | DEBUG3(qla2x00_print_scsi_cmd(cmd);) |
| 637 | |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 638 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 639 | if (ha->isp_ops.abort_command(ha, sp)) { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 640 | DEBUG2(printk("%s(%ld): abort_command " |
| 641 | "mbx failed.\n", __func__, ha->host_no)); |
| 642 | } else { |
| 643 | DEBUG3(printk("%s(%ld): abort_command " |
| 644 | "mbx success.\n", __func__, ha->host_no)); |
| 645 | ret = SUCCESS; |
| 646 | } |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 647 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 648 | |
| 649 | break; |
| 650 | } |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 651 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 652 | |
| 653 | /* Wait for the command to be returned. */ |
| 654 | if (ret == SUCCESS) { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 655 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 656 | qla_printk(KERN_ERR, ha, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 657 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
| 658 | "%x.\n", ha->host_no, id, lun, serial, ret); |
| 659 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 661 | |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 662 | qla_printk(KERN_INFO, ha, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 663 | "scsi(%ld:%d:%d): Abort command issued -- %lx %x.\n", ha->host_no, |
| 664 | id, lun, serial, ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 666 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | } |
| 668 | |
| 669 | /************************************************************************** |
| 670 | * qla2x00_eh_wait_for_pending_target_commands |
| 671 | * |
| 672 | * Description: |
| 673 | * Waits for all the commands to come back from the specified target. |
| 674 | * |
| 675 | * Input: |
| 676 | * ha - pointer to scsi_qla_host structure. |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 677 | * t - target |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | * Returns: |
| 679 | * Either SUCCESS or FAILED. |
| 680 | * |
| 681 | * Note: |
| 682 | **************************************************************************/ |
| 683 | static int |
| 684 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) |
| 685 | { |
| 686 | int cnt; |
| 687 | int status; |
| 688 | srb_t *sp; |
| 689 | struct scsi_cmnd *cmd; |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 690 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 691 | |
| 692 | status = 0; |
| 693 | |
| 694 | /* |
| 695 | * Waiting for all commands for the designated target in the active |
| 696 | * array |
| 697 | */ |
| 698 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 699 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 700 | sp = ha->outstanding_cmds[cnt]; |
| 701 | if (sp) { |
| 702 | cmd = sp->cmd; |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 703 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | if (cmd->device->id == t) { |
| 705 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { |
| 706 | status = 1; |
| 707 | break; |
| 708 | } |
| 709 | } |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 710 | } else { |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 711 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 712 | } |
| 713 | } |
| 714 | return (status); |
| 715 | } |
| 716 | |
| 717 | |
| 718 | /************************************************************************** |
| 719 | * qla2xxx_eh_device_reset |
| 720 | * |
| 721 | * Description: |
| 722 | * The device reset function will reset the target and abort any |
| 723 | * executing commands. |
| 724 | * |
| 725 | * NOTE: The use of SP is undefined within this context. Do *NOT* |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 726 | * attempt to use this value, even if you determine it is |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | * non-null. |
| 728 | * |
| 729 | * Input: |
| 730 | * cmd = Linux SCSI command packet of the command that cause the |
| 731 | * bus device reset. |
| 732 | * |
| 733 | * Returns: |
| 734 | * SUCCESS/FAILURE (defined as macro in scsi.h). |
| 735 | * |
| 736 | **************************************************************************/ |
| 737 | int |
| 738 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) |
| 739 | { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 740 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 741 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 742 | srb_t *sp; |
| 743 | int ret; |
| 744 | unsigned int id, lun; |
| 745 | unsigned long serial; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 747 | ret = FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 748 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 749 | id = cmd->device->id; |
| 750 | lun = cmd->device->lun; |
| 751 | serial = cmd->serial_number; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 752 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 753 | sp = (srb_t *) CMD_SP(cmd); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 754 | if (!sp || !fcport) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 755 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 756 | |
| 757 | qla_printk(KERN_INFO, ha, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 758 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | |
Jeff Garzik | 94d0e7b | 2005-05-28 07:55:48 -0400 | [diff] [blame] | 760 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | goto eh_dev_reset_done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 762 | |
| 763 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 764 | if (qla2x00_device_reset(ha, fcport) == 0) |
| 765 | ret = SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | |
| 767 | #if defined(LOGOUT_AFTER_DEVICE_RESET) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 768 | if (ret == SUCCESS) { |
| 769 | if (fcport->flags & FC_FABRIC_DEVICE) { |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 770 | ha->isp_ops.fabric_logout(ha, fcport->loop_id); |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 771 | qla2x00_mark_device_lost(ha, fcport, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 772 | } |
| 773 | } |
| 774 | #endif |
| 775 | } else { |
| 776 | DEBUG2(printk(KERN_INFO |
| 777 | "%s failed: loop not ready\n",__func__);) |
| 778 | } |
| 779 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 780 | if (ret == FAILED) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | DEBUG3(printk("%s(%ld): device reset failed\n", |
| 782 | __func__, ha->host_no)); |
| 783 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", |
| 784 | __func__); |
| 785 | |
| 786 | goto eh_dev_reset_done; |
| 787 | } |
| 788 | |
Andrew Vasquez | 9a41a62 | 2005-09-20 13:25:53 -0700 | [diff] [blame] | 789 | /* Flush outstanding commands. */ |
| 790 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) |
| 791 | ret = FAILED; |
| 792 | if (ret == FAILED) { |
| 793 | DEBUG3(printk("%s(%ld): failed while waiting for commands\n", |
| 794 | __func__, ha->host_no)); |
| 795 | qla_printk(KERN_INFO, ha, |
| 796 | "%s: failed while waiting for commands\n", __func__); |
| 797 | } else |
| 798 | qla_printk(KERN_INFO, ha, |
| 799 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, |
| 800 | id, lun); |
James Bottomley | 28f22b0 | 2005-10-28 17:22:18 -0500 | [diff] [blame] | 801 | eh_dev_reset_done: |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 802 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 803 | } |
| 804 | |
| 805 | /************************************************************************** |
| 806 | * qla2x00_eh_wait_for_pending_commands |
| 807 | * |
| 808 | * Description: |
| 809 | * Waits for all the commands to come back from the specified host. |
| 810 | * |
| 811 | * Input: |
| 812 | * ha - pointer to scsi_qla_host structure. |
| 813 | * |
| 814 | * Returns: |
| 815 | * 1 : SUCCESS |
| 816 | * 0 : FAILED |
| 817 | * |
| 818 | * Note: |
| 819 | **************************************************************************/ |
| 820 | static int |
| 821 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) |
| 822 | { |
| 823 | int cnt; |
| 824 | int status; |
| 825 | srb_t *sp; |
| 826 | struct scsi_cmnd *cmd; |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 827 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | |
| 829 | status = 1; |
| 830 | |
| 831 | /* |
| 832 | * Waiting for all commands for the designated target in the active |
| 833 | * array |
| 834 | */ |
| 835 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 836 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 837 | sp = ha->outstanding_cmds[cnt]; |
| 838 | if (sp) { |
| 839 | cmd = sp->cmd; |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 840 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 841 | status = qla2x00_eh_wait_on_command(ha, cmd); |
| 842 | if (status == 0) |
| 843 | break; |
| 844 | } |
| 845 | else { |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 846 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 847 | } |
| 848 | } |
| 849 | return (status); |
| 850 | } |
| 851 | |
| 852 | |
| 853 | /************************************************************************** |
| 854 | * qla2xxx_eh_bus_reset |
| 855 | * |
| 856 | * Description: |
| 857 | * The bus reset function will reset the bus and abort any executing |
| 858 | * commands. |
| 859 | * |
| 860 | * Input: |
| 861 | * cmd = Linux SCSI command packet of the command that cause the |
| 862 | * bus reset. |
| 863 | * |
| 864 | * Returns: |
| 865 | * SUCCESS/FAILURE (defined as macro in scsi.h). |
| 866 | * |
| 867 | **************************************************************************/ |
| 868 | int |
| 869 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) |
| 870 | { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 871 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 872 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | srb_t *sp; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 874 | int ret; |
| 875 | unsigned int id, lun; |
| 876 | unsigned long serial; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 877 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 878 | ret = FAILED; |
| 879 | |
| 880 | id = cmd->device->id; |
| 881 | lun = cmd->device->lun; |
| 882 | serial = cmd->serial_number; |
| 883 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 884 | sp = (srb_t *) CMD_SP(cmd); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 885 | if (!sp || !fcport) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 886 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 887 | |
| 888 | qla_printk(KERN_INFO, ha, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 889 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 890 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
| 892 | DEBUG2(printk("%s failed:board disabled\n",__func__)); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 893 | goto eh_bus_reset_done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 894 | } |
| 895 | |
| 896 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 897 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
| 898 | ret = SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 899 | } |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 900 | if (ret == FAILED) |
| 901 | goto eh_bus_reset_done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | |
Andrew Vasquez | 9a41a62 | 2005-09-20 13:25:53 -0700 | [diff] [blame] | 903 | /* Flush outstanding commands. */ |
| 904 | if (!qla2x00_eh_wait_for_pending_commands(ha)) |
| 905 | ret = FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 907 | eh_bus_reset_done: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 908 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 909 | (ret == FAILED) ? "failed" : "succeded"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 911 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | } |
| 913 | |
| 914 | /************************************************************************** |
| 915 | * qla2xxx_eh_host_reset |
| 916 | * |
| 917 | * Description: |
| 918 | * The reset function will reset the Adapter. |
| 919 | * |
| 920 | * Input: |
| 921 | * cmd = Linux SCSI command packet of the command that cause the |
| 922 | * adapter reset. |
| 923 | * |
| 924 | * Returns: |
| 925 | * Either SUCCESS or FAILED. |
| 926 | * |
| 927 | * Note: |
| 928 | **************************************************************************/ |
| 929 | int |
| 930 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) |
| 931 | { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 932 | scsi_qla_host_t *ha = to_qla_host(cmd->device->host); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 933 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 934 | srb_t *sp; |
| 935 | int ret; |
| 936 | unsigned int id, lun; |
| 937 | unsigned long serial; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 938 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 939 | ret = FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 940 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 941 | id = cmd->device->id; |
| 942 | lun = cmd->device->lun; |
| 943 | serial = cmd->serial_number; |
| 944 | |
| 945 | sp = (srb_t *) CMD_SP(cmd); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 946 | if (!sp || !fcport) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 947 | return ret; |
| 948 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | qla_printk(KERN_INFO, ha, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 950 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 952 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 953 | goto eh_host_reset_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 954 | |
| 955 | /* |
| 956 | * Fixme-may be dpc thread is active and processing |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 957 | * loop_resync,so wait a while for it to |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 958 | * be completed and then issue big hammer.Otherwise |
| 959 | * it may cause I/O failure as big hammer marks the |
| 960 | * devices as lost kicking of the port_down_timer |
| 961 | * while dpc is stuck for the mailbox to complete. |
| 962 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 963 | qla2x00_wait_for_loop_ready(ha); |
| 964 | set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
| 965 | if (qla2x00_abort_isp(ha)) { |
| 966 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
| 967 | /* failed. schedule dpc to try */ |
| 968 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
| 969 | |
| 970 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 971 | goto eh_host_reset_lock; |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 972 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 973 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
| 974 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | /* Waiting for our command in done_queue to be returned to OS.*/ |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 976 | if (qla2x00_eh_wait_for_pending_commands(ha)) |
| 977 | ret = SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 978 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 979 | eh_host_reset_lock: |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 980 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
| 981 | (ret == FAILED) ? "failed" : "succeded"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 982 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 983 | return ret; |
| 984 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 985 | |
| 986 | /* |
| 987 | * qla2x00_loop_reset |
| 988 | * Issue loop reset. |
| 989 | * |
| 990 | * Input: |
| 991 | * ha = adapter block pointer. |
| 992 | * |
| 993 | * Returns: |
| 994 | * 0 = success |
| 995 | */ |
| 996 | static int |
| 997 | qla2x00_loop_reset(scsi_qla_host_t *ha) |
| 998 | { |
| 999 | int status = QLA_SUCCESS; |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 1000 | struct fc_port *fcport; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1001 | |
| 1002 | if (ha->flags.enable_lip_reset) { |
| 1003 | status = qla2x00_lip_reset(ha); |
| 1004 | } |
| 1005 | |
| 1006 | if (status == QLA_SUCCESS && ha->flags.enable_target_reset) { |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 1007 | list_for_each_entry(fcport, &ha->fcports, list) { |
| 1008 | if (fcport->port_type != FCT_TARGET) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1009 | continue; |
| 1010 | |
Andrew Vasquez | c00c72a | 2005-08-26 19:08:50 -0700 | [diff] [blame] | 1011 | status = qla2x00_device_reset(ha, fcport); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 1012 | if (status != QLA_SUCCESS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1013 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | if (status == QLA_SUCCESS && |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 1018 | ((!ha->flags.enable_target_reset && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1019 | !ha->flags.enable_lip_reset) || |
| 1020 | ha->flags.enable_lip_full_login)) { |
| 1021 | |
| 1022 | status = qla2x00_full_login_lip(ha); |
| 1023 | } |
| 1024 | |
| 1025 | /* Issue marker command only when we are going to start the I/O */ |
| 1026 | ha->marker_needed = 1; |
| 1027 | |
| 1028 | if (status) { |
| 1029 | /* Empty */ |
| 1030 | DEBUG2_3(printk("%s(%ld): **** FAILED ****\n", |
| 1031 | __func__, |
| 1032 | ha->host_no);) |
| 1033 | } else { |
| 1034 | /* Empty */ |
| 1035 | DEBUG3(printk("%s(%ld): exiting normally.\n", |
| 1036 | __func__, |
| 1037 | ha->host_no);) |
| 1038 | } |
| 1039 | |
| 1040 | return(status); |
| 1041 | } |
| 1042 | |
| 1043 | /* |
| 1044 | * qla2x00_device_reset |
| 1045 | * Issue bus device reset message to the target. |
| 1046 | * |
| 1047 | * Input: |
| 1048 | * ha = adapter block pointer. |
| 1049 | * t = SCSI ID. |
| 1050 | * TARGET_QUEUE_LOCK must be released. |
| 1051 | * ADAPTER_STATE_LOCK must be released. |
| 1052 | * |
| 1053 | * Context: |
| 1054 | * Kernel context. |
| 1055 | */ |
| 1056 | static int |
| 1057 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) |
| 1058 | { |
| 1059 | /* Abort Target command will clear Reservation */ |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1060 | return ha->isp_ops.abort_target(reset_fcport); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1061 | } |
| 1062 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1063 | static int |
| 1064 | qla2xxx_slave_alloc(struct scsi_device *sdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1065 | { |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 1066 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1067 | |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 1068 | if (!rport || fc_remote_port_chkready(rport)) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1069 | return -ENXIO; |
| 1070 | |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 1071 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1072 | |
| 1073 | return 0; |
| 1074 | } |
| 1075 | |
| 1076 | static int |
| 1077 | qla2xxx_slave_configure(struct scsi_device *sdev) |
| 1078 | { |
| 8482e11 | 2005-04-17 15:04:54 -0500 | [diff] [blame] | 1079 | scsi_qla_host_t *ha = to_qla_host(sdev->host); |
| 1080 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); |
| 1081 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1082 | if (sdev->tagged_supported) |
| 1083 | scsi_activate_tcq(sdev, 32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1084 | else |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1085 | scsi_deactivate_tcq(sdev, 32); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1086 | |
| 8482e11 | 2005-04-17 15:04:54 -0500 | [diff] [blame] | 1087 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
| 1088 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1089 | return 0; |
| 1090 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1091 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1092 | static void |
| 1093 | qla2xxx_slave_destroy(struct scsi_device *sdev) |
| 1094 | { |
| 1095 | sdev->hostdata = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1096 | } |
| 1097 | |
Andrew Vasquez | ce7e4af | 2005-08-26 19:09:30 -0700 | [diff] [blame] | 1098 | static int |
| 1099 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) |
| 1100 | { |
| 1101 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); |
| 1102 | return sdev->queue_depth; |
| 1103 | } |
| 1104 | |
| 1105 | static int |
| 1106 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) |
| 1107 | { |
| 1108 | if (sdev->tagged_supported) { |
| 1109 | scsi_set_tag_type(sdev, tag_type); |
| 1110 | if (tag_type) |
| 1111 | scsi_activate_tcq(sdev, sdev->queue_depth); |
| 1112 | else |
| 1113 | scsi_deactivate_tcq(sdev, sdev->queue_depth); |
| 1114 | } else |
| 1115 | tag_type = 0; |
| 1116 | |
| 1117 | return tag_type; |
| 1118 | } |
| 1119 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | /** |
| 1121 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. |
| 1122 | * @ha: HA context |
| 1123 | * |
| 1124 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated |
| 1125 | * supported addressing method. |
| 1126 | */ |
| 1127 | static void |
| 1128 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) |
| 1129 | { |
Andrew Vasquez | 7524f9b | 2005-08-26 19:08:00 -0700 | [diff] [blame] | 1130 | /* Assume a 32bit DMA mask. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1131 | ha->flags.enable_64bit_addressing = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1132 | |
Andrew Vasquez | 7524f9b | 2005-08-26 19:08:00 -0700 | [diff] [blame] | 1133 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
| 1134 | /* Any upper-dword bits set? */ |
| 1135 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && |
| 1136 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { |
| 1137 | /* Ok, a 64bit DMA mask is applicable. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1138 | ha->flags.enable_64bit_addressing = 1; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1139 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64; |
| 1140 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64; |
Andrew Vasquez | 7524f9b | 2005-08-26 19:08:00 -0700 | [diff] [blame] | 1141 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1142 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1143 | } |
Andrew Vasquez | 7524f9b | 2005-08-26 19:08:00 -0700 | [diff] [blame] | 1144 | |
| 1145 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); |
| 1146 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1147 | } |
| 1148 | |
| 1149 | static int |
| 1150 | qla2x00_iospace_config(scsi_qla_host_t *ha) |
| 1151 | { |
| 1152 | unsigned long pio, pio_len, pio_flags; |
| 1153 | unsigned long mmio, mmio_len, mmio_flags; |
| 1154 | |
| 1155 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ |
| 1156 | pio = pci_resource_start(ha->pdev, 0); |
| 1157 | pio_len = pci_resource_len(ha->pdev, 0); |
| 1158 | pio_flags = pci_resource_flags(ha->pdev, 0); |
| 1159 | if (pio_flags & IORESOURCE_IO) { |
| 1160 | if (pio_len < MIN_IOBASE_LEN) { |
| 1161 | qla_printk(KERN_WARNING, ha, |
| 1162 | "Invalid PCI I/O region size (%s)...\n", |
| 1163 | pci_name(ha->pdev)); |
| 1164 | pio = 0; |
| 1165 | } |
| 1166 | } else { |
| 1167 | qla_printk(KERN_WARNING, ha, |
| 1168 | "region #0 not a PIO resource (%s)...\n", |
| 1169 | pci_name(ha->pdev)); |
| 1170 | pio = 0; |
| 1171 | } |
| 1172 | |
| 1173 | /* Use MMIO operations for all accesses. */ |
| 1174 | mmio = pci_resource_start(ha->pdev, 1); |
| 1175 | mmio_len = pci_resource_len(ha->pdev, 1); |
| 1176 | mmio_flags = pci_resource_flags(ha->pdev, 1); |
| 1177 | |
| 1178 | if (!(mmio_flags & IORESOURCE_MEM)) { |
| 1179 | qla_printk(KERN_ERR, ha, |
| 1180 | "region #0 not an MMIO resource (%s), aborting\n", |
| 1181 | pci_name(ha->pdev)); |
| 1182 | goto iospace_error_exit; |
| 1183 | } |
| 1184 | if (mmio_len < MIN_IOBASE_LEN) { |
| 1185 | qla_printk(KERN_ERR, ha, |
| 1186 | "Invalid PCI mem region size (%s), aborting\n", |
| 1187 | pci_name(ha->pdev)); |
| 1188 | goto iospace_error_exit; |
| 1189 | } |
| 1190 | |
| 1191 | if (pci_request_regions(ha->pdev, ha->brd_info->drv_name)) { |
| 1192 | qla_printk(KERN_WARNING, ha, |
| 1193 | "Failed to reserve PIO/MMIO regions (%s)\n", |
| 1194 | pci_name(ha->pdev)); |
| 1195 | |
| 1196 | goto iospace_error_exit; |
| 1197 | } |
| 1198 | |
| 1199 | ha->pio_address = pio; |
| 1200 | ha->pio_length = pio_len; |
| 1201 | ha->iobase = ioremap(mmio, MIN_IOBASE_LEN); |
| 1202 | if (!ha->iobase) { |
| 1203 | qla_printk(KERN_ERR, ha, |
| 1204 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); |
| 1205 | |
| 1206 | goto iospace_error_exit; |
| 1207 | } |
| 1208 | |
| 1209 | return (0); |
| 1210 | |
| 1211 | iospace_error_exit: |
| 1212 | return (-ENOMEM); |
| 1213 | } |
| 1214 | |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1215 | static void |
| 1216 | qla2x00_enable_intrs(scsi_qla_host_t *ha) |
| 1217 | { |
| 1218 | unsigned long flags = 0; |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 1219 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1220 | |
| 1221 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1222 | ha->interrupts_on = 1; |
| 1223 | /* enable risc and host interrupts */ |
| 1224 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); |
| 1225 | RD_REG_WORD(®->ictrl); |
| 1226 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1227 | |
| 1228 | } |
| 1229 | |
| 1230 | static void |
| 1231 | qla2x00_disable_intrs(scsi_qla_host_t *ha) |
| 1232 | { |
| 1233 | unsigned long flags = 0; |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 1234 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1235 | |
| 1236 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1237 | ha->interrupts_on = 0; |
| 1238 | /* disable risc and host interrupts */ |
| 1239 | WRT_REG_WORD(®->ictrl, 0); |
| 1240 | RD_REG_WORD(®->ictrl); |
| 1241 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1242 | } |
| 1243 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1244 | static void |
| 1245 | qla24xx_enable_intrs(scsi_qla_host_t *ha) |
| 1246 | { |
| 1247 | unsigned long flags = 0; |
| 1248 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| 1249 | |
| 1250 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1251 | ha->interrupts_on = 1; |
| 1252 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); |
| 1253 | RD_REG_DWORD(®->ictrl); |
| 1254 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1255 | } |
| 1256 | |
| 1257 | static void |
| 1258 | qla24xx_disable_intrs(scsi_qla_host_t *ha) |
| 1259 | { |
| 1260 | unsigned long flags = 0; |
| 1261 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| 1262 | |
| 1263 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1264 | ha->interrupts_on = 0; |
| 1265 | WRT_REG_DWORD(®->ictrl, 0); |
| 1266 | RD_REG_DWORD(®->ictrl); |
| 1267 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1268 | } |
| 1269 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1270 | /* |
| 1271 | * PCI driver interface |
| 1272 | */ |
| 1273 | int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info) |
| 1274 | { |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1275 | int ret = -ENODEV; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1276 | device_reg_t __iomem *reg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1277 | struct Scsi_Host *host; |
| 1278 | scsi_qla_host_t *ha; |
| 1279 | unsigned long flags = 0; |
| 1280 | unsigned long wait_switch = 0; |
| 1281 | char pci_info[20]; |
| 1282 | char fw_str[30]; |
| 8482e11 | 2005-04-17 15:04:54 -0500 | [diff] [blame] | 1283 | fc_port_t *fcport; |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1284 | struct scsi_host_template *sht; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1285 | |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 1286 | if (PCI_FUNC(pdev->devfn)) |
| 1287 | goto probe_out; |
| 1288 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1289 | if (pci_enable_device(pdev)) |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1290 | goto probe_out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1291 | |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1292 | sht = &qla2x00_driver_template; |
| 1293 | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || |
| 1294 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432) |
| 1295 | sht = &qla24xx_driver_template; |
| 1296 | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1297 | if (host == NULL) { |
| 1298 | printk(KERN_WARNING |
| 1299 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); |
| 1300 | goto probe_disable_device; |
| 1301 | } |
| 1302 | |
| 1303 | /* Clear our data area */ |
| 1304 | ha = (scsi_qla_host_t *)host->hostdata; |
| 1305 | memset(ha, 0, sizeof(scsi_qla_host_t)); |
| 1306 | |
| 1307 | ha->pdev = pdev; |
| 1308 | ha->host = host; |
| 1309 | ha->host_no = host->host_no; |
| 1310 | ha->brd_info = brd_info; |
| 1311 | sprintf(ha->host_str, "%s_%ld", ha->brd_info->drv_name, ha->host_no); |
| 1312 | |
Andrew Morton | 444d1d9 | 2005-10-25 11:00:56 -0700 | [diff] [blame] | 1313 | ha->dpc_pid = -1; |
| 1314 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1315 | /* Configure PCI I/O space */ |
| 1316 | ret = qla2x00_iospace_config(ha); |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1317 | if (ret) |
| 1318 | goto probe_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1319 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1320 | qla_printk(KERN_INFO, ha, |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1321 | "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
| 1322 | ha->iobase); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1323 | |
| 1324 | spin_lock_init(&ha->hardware_lock); |
| 1325 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1326 | ha->prev_topology = 0; |
| 1327 | ha->ports = MAX_BUSES; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1328 | ha->init_cb_size = sizeof(init_cb_t); |
Andrew Vasquez | cca5335 | 2005-08-26 19:08:30 -0700 | [diff] [blame] | 1329 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER; |
andrew.vasquez@qlogic.com | 0441401 | 2006-01-31 16:04:51 -0800 | [diff] [blame] | 1330 | ha->link_data_rate = LDR_UNKNOWN; |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 1331 | ha->optrom_size = OPTROM_SIZE_2300; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1332 | |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1333 | /* Assign ISP specific operations. */ |
| 1334 | ha->isp_ops.pci_config = qla2100_pci_config; |
| 1335 | ha->isp_ops.reset_chip = qla2x00_reset_chip; |
| 1336 | ha->isp_ops.chip_diag = qla2x00_chip_diag; |
| 1337 | ha->isp_ops.config_rings = qla2x00_config_rings; |
| 1338 | ha->isp_ops.reset_adapter = qla2x00_reset_adapter; |
| 1339 | ha->isp_ops.nvram_config = qla2x00_nvram_config; |
| 1340 | ha->isp_ops.update_fw_options = qla2x00_update_fw_options; |
Andrew Vasquez | 0107109 | 2005-07-06 10:31:37 -0700 | [diff] [blame] | 1341 | ha->isp_ops.load_risc = qla2x00_load_risc; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1342 | ha->isp_ops.pci_info_str = qla2x00_pci_info_str; |
| 1343 | ha->isp_ops.fw_version_str = qla2x00_fw_version_str; |
| 1344 | ha->isp_ops.intr_handler = qla2100_intr_handler; |
| 1345 | ha->isp_ops.enable_intrs = qla2x00_enable_intrs; |
| 1346 | ha->isp_ops.disable_intrs = qla2x00_disable_intrs; |
| 1347 | ha->isp_ops.abort_command = qla2x00_abort_command; |
| 1348 | ha->isp_ops.abort_target = qla2x00_abort_target; |
| 1349 | ha->isp_ops.fabric_login = qla2x00_login_fabric; |
| 1350 | ha->isp_ops.fabric_logout = qla2x00_fabric_logout; |
| 1351 | ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_32; |
| 1352 | ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_32; |
| 1353 | ha->isp_ops.prep_ms_iocb = qla2x00_prep_ms_iocb; |
Andrew Vasquez | cca5335 | 2005-08-26 19:08:30 -0700 | [diff] [blame] | 1354 | ha->isp_ops.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb; |
Andrew Vasquez | 459c537 | 2005-07-06 10:31:07 -0700 | [diff] [blame] | 1355 | ha->isp_ops.read_nvram = qla2x00_read_nvram_data; |
| 1356 | ha->isp_ops.write_nvram = qla2x00_write_nvram_data; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1357 | ha->isp_ops.fw_dump = qla2100_fw_dump; |
| 1358 | ha->isp_ops.ascii_fw_dump = qla2100_ascii_fw_dump; |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 1359 | ha->isp_ops.read_optrom = qla2x00_read_optrom_data; |
| 1360 | ha->isp_ops.write_optrom = qla2x00_write_optrom_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1361 | if (IS_QLA2100(ha)) { |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 1362 | host->max_id = MAX_TARGETS_2100; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1363 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
| 1364 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; |
| 1365 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; |
| 1366 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; |
| 1367 | host->sg_tablesize = 32; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1368 | ha->gid_list_info_size = 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1369 | } else if (IS_QLA2200(ha)) { |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 1370 | host->max_id = MAX_TARGETS_2200; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1371 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 1372 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; |
| 1373 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; |
| 1374 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1375 | ha->gid_list_info_size = 4; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1376 | } else if (IS_QLA23XX(ha)) { |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 1377 | host->max_id = MAX_TARGETS_2200; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1378 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 1379 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; |
| 1380 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; |
| 1381 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1382 | ha->isp_ops.pci_config = qla2300_pci_config; |
| 1383 | ha->isp_ops.intr_handler = qla2300_intr_handler; |
| 1384 | ha->isp_ops.fw_dump = qla2300_fw_dump; |
| 1385 | ha->isp_ops.ascii_fw_dump = qla2300_ascii_fw_dump; |
andrew.vasquez@qlogic.com | f6df144 | 2006-01-31 16:05:07 -0800 | [diff] [blame] | 1386 | ha->isp_ops.beacon_on = qla2x00_beacon_on; |
| 1387 | ha->isp_ops.beacon_off = qla2x00_beacon_off; |
| 1388 | ha->isp_ops.beacon_blink = qla2x00_beacon_blink; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1389 | ha->gid_list_info_size = 6; |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 1390 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
| 1391 | ha->optrom_size = OPTROM_SIZE_2322; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1392 | } else if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { |
| 1393 | host->max_id = MAX_TARGETS_2200; |
| 1394 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 1395 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; |
| 1396 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; |
| 1397 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; |
| 1398 | ha->init_cb_size = sizeof(struct init_cb_24xx); |
Andrew Vasquez | cca5335 | 2005-08-26 19:08:30 -0700 | [diff] [blame] | 1399 | ha->mgmt_svr_loop_id = 10; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1400 | ha->isp_ops.pci_config = qla24xx_pci_config; |
| 1401 | ha->isp_ops.reset_chip = qla24xx_reset_chip; |
| 1402 | ha->isp_ops.chip_diag = qla24xx_chip_diag; |
| 1403 | ha->isp_ops.config_rings = qla24xx_config_rings; |
| 1404 | ha->isp_ops.reset_adapter = qla24xx_reset_adapter; |
| 1405 | ha->isp_ops.nvram_config = qla24xx_nvram_config; |
| 1406 | ha->isp_ops.update_fw_options = qla24xx_update_fw_options; |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1407 | ha->isp_ops.load_risc = qla24xx_load_risc; |
Andrew Vasquez | 331e347 | 2005-11-09 15:49:19 -0800 | [diff] [blame] | 1408 | #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) |
| 1409 | if (ql2xfwloadflash) |
| 1410 | ha->isp_ops.load_risc = qla24xx_load_risc_flash; |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1411 | #endif |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1412 | ha->isp_ops.pci_info_str = qla24xx_pci_info_str; |
| 1413 | ha->isp_ops.fw_version_str = qla24xx_fw_version_str; |
| 1414 | ha->isp_ops.intr_handler = qla24xx_intr_handler; |
| 1415 | ha->isp_ops.enable_intrs = qla24xx_enable_intrs; |
| 1416 | ha->isp_ops.disable_intrs = qla24xx_disable_intrs; |
| 1417 | ha->isp_ops.abort_command = qla24xx_abort_command; |
| 1418 | ha->isp_ops.abort_target = qla24xx_abort_target; |
| 1419 | ha->isp_ops.fabric_login = qla24xx_login_fabric; |
| 1420 | ha->isp_ops.fabric_logout = qla24xx_fabric_logout; |
| 1421 | ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb; |
Andrew Vasquez | cca5335 | 2005-08-26 19:08:30 -0700 | [diff] [blame] | 1422 | ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1423 | ha->isp_ops.read_nvram = qla24xx_read_nvram_data; |
| 1424 | ha->isp_ops.write_nvram = qla24xx_write_nvram_data; |
| 1425 | ha->isp_ops.fw_dump = qla24xx_fw_dump; |
| 1426 | ha->isp_ops.ascii_fw_dump = qla24xx_ascii_fw_dump; |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 1427 | ha->isp_ops.read_optrom = qla24xx_read_optrom_data; |
| 1428 | ha->isp_ops.write_optrom = qla24xx_write_optrom_data; |
andrew.vasquez@qlogic.com | f6df144 | 2006-01-31 16:05:07 -0800 | [diff] [blame] | 1429 | ha->isp_ops.beacon_on = qla24xx_beacon_on; |
| 1430 | ha->isp_ops.beacon_off = qla24xx_beacon_off; |
| 1431 | ha->isp_ops.beacon_blink = qla24xx_beacon_blink; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1432 | ha->gid_list_info_size = 8; |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 1433 | ha->optrom_size = OPTROM_SIZE_24XX; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1434 | } |
| 1435 | host->can_queue = ha->request_q_length + 128; |
| 1436 | |
| 1437 | /* load the F/W, read paramaters, and init the H/W */ |
| 1438 | ha->instance = num_hosts; |
| 1439 | |
| 1440 | init_MUTEX(&ha->mbx_cmd_sem); |
| 1441 | init_MUTEX_LOCKED(&ha->mbx_intr_sem); |
| 1442 | |
| 1443 | INIT_LIST_HEAD(&ha->list); |
| 1444 | INIT_LIST_HEAD(&ha->fcports); |
| 1445 | INIT_LIST_HEAD(&ha->rscn_fcports); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1446 | |
| 1447 | /* |
| 1448 | * These locks are used to prevent more than one CPU |
| 1449 | * from modifying the queue at the same time. The |
| 1450 | * higher level "host_lock" will reduce most |
| 1451 | * contention for these locks. |
| 1452 | */ |
| 1453 | spin_lock_init(&ha->mbx_reg_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1454 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1455 | init_completion(&ha->dpc_inited); |
| 1456 | init_completion(&ha->dpc_exited); |
| 1457 | |
| 1458 | qla2x00_config_dma_addressing(ha); |
| 1459 | if (qla2x00_mem_alloc(ha)) { |
| 1460 | qla_printk(KERN_WARNING, ha, |
| 1461 | "[ERROR] Failed to allocate memory for adapter\n"); |
| 1462 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1463 | ret = -ENOMEM; |
| 1464 | goto probe_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1465 | } |
| 1466 | |
| 1467 | if (qla2x00_initialize_adapter(ha) && |
| 1468 | !(ha->device_flags & DFLG_NO_CABLE)) { |
| 1469 | |
| 1470 | qla_printk(KERN_WARNING, ha, |
| 1471 | "Failed to initialize adapter\n"); |
| 1472 | |
| 1473 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " |
| 1474 | "Adapter flags %x.\n", |
| 1475 | ha->host_no, ha->device_flags)); |
| 1476 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1477 | ret = -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1478 | goto probe_failed; |
| 1479 | } |
| 1480 | |
| 1481 | /* |
| 1482 | * Startup the kernel thread for this host adapter |
| 1483 | */ |
| 1484 | ha->dpc_should_die = 0; |
| 1485 | ha->dpc_pid = kernel_thread(qla2x00_do_dpc, ha, 0); |
| 1486 | if (ha->dpc_pid < 0) { |
| 1487 | qla_printk(KERN_WARNING, ha, |
| 1488 | "Unable to start DPC thread!\n"); |
| 1489 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1490 | ret = -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1491 | goto probe_failed; |
| 1492 | } |
| 1493 | wait_for_completion(&ha->dpc_inited); |
| 1494 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1495 | host->this_id = 255; |
| 1496 | host->cmd_per_lun = 3; |
| 1497 | host->unique_id = ha->instance; |
| 1498 | host->max_cmd_len = MAX_CMDSZ; |
| 1499 | host->max_channel = ha->ports - 1; |
| 1500 | host->max_lun = MAX_LUNS; |
| 1501 | host->transportt = qla2xxx_transport_template; |
| 1502 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1503 | ret = request_irq(pdev->irq, ha->isp_ops.intr_handler, |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1504 | SA_INTERRUPT|SA_SHIRQ, ha->brd_info->drv_name, ha); |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1505 | if (ret) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1506 | qla_printk(KERN_WARNING, ha, |
| 1507 | "Failed to reserve interrupt %d already in use.\n", |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1508 | pdev->irq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1509 | goto probe_failed; |
| 1510 | } |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1511 | host->irq = pdev->irq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1512 | |
| 1513 | /* Initialized the timer */ |
| 1514 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); |
| 1515 | |
| 1516 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", |
| 1517 | ha->host_no, ha)); |
| 1518 | |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1519 | ha->isp_ops.disable_intrs(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1520 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1521 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1522 | reg = ha->iobase; |
| 1523 | if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) { |
| 1524 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); |
| 1525 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); |
| 1526 | } else { |
| 1527 | WRT_REG_WORD(®->isp.semaphore, 0); |
| 1528 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); |
| 1529 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1530 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1531 | /* Enable proper parity */ |
| 1532 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { |
| 1533 | if (IS_QLA2300(ha)) |
| 1534 | /* SRAM parity */ |
| 1535 | WRT_REG_WORD(®->isp.hccr, |
| 1536 | (HCCR_ENABLE_PARITY + 0x1)); |
| 1537 | else |
| 1538 | /* SRAM, Instruction RAM and GP RAM parity */ |
| 1539 | WRT_REG_WORD(®->isp.hccr, |
| 1540 | (HCCR_ENABLE_PARITY + 0x7)); |
| 1541 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1542 | } |
| 1543 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1544 | |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1545 | ha->isp_ops.enable_intrs(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1546 | |
| 1547 | /* v2.19.5b6 */ |
| 1548 | /* |
| 1549 | * Wait around max loop_reset_delay secs for the devices to come |
| 1550 | * on-line. We don't want Linux scanning before we are ready. |
| 1551 | * |
| 1552 | */ |
| 1553 | for (wait_switch = jiffies + (ha->loop_reset_delay * HZ); |
| 1554 | time_before(jiffies,wait_switch) && |
| 1555 | !(ha->device_flags & (DFLG_NO_CABLE | DFLG_FABRIC_DEVICES)) |
| 1556 | && (ha->device_flags & SWITCH_FOUND) ;) { |
| 1557 | |
| 1558 | qla2x00_check_fabric_devices(ha); |
| 1559 | |
| 1560 | msleep(10); |
| 1561 | } |
| 1562 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1563 | pci_set_drvdata(pdev, ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1564 | ha->flags.init_done = 1; |
| 1565 | num_hosts++; |
| 1566 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1567 | ret = scsi_add_host(host, &pdev->dev); |
| 1568 | if (ret) |
| 1569 | goto probe_failed; |
| 1570 | |
| 1571 | qla2x00_alloc_sysfs_attr(ha); |
| 1572 | |
| 1573 | qla2x00_init_host_attr(ha); |
| 1574 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1575 | qla_printk(KERN_INFO, ha, "\n" |
| 1576 | " QLogic Fibre Channel HBA Driver: %s\n" |
| 1577 | " QLogic %s - %s\n" |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1578 | " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
| 1579 | qla2x00_version_str, ha->model_number, |
| 1580 | ha->model_desc ? ha->model_desc: "", pdev->device, |
| 1581 | ha->isp_ops.pci_info_str(ha, pci_info), pci_name(pdev), |
| 1582 | ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, |
| 1583 | ha->isp_ops.fw_version_str(ha, fw_str)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1584 | |
| 8482e11 | 2005-04-17 15:04:54 -0500 | [diff] [blame] | 1585 | /* Go with fc_rport registration. */ |
| 1586 | list_for_each_entry(fcport, &ha->fcports, list) |
| 1587 | qla2x00_reg_remote_port(ha, fcport); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1588 | |
| 1589 | return 0; |
| 1590 | |
| 1591 | probe_failed: |
| 1592 | qla2x00_free_device(ha); |
| 1593 | |
| 1594 | scsi_host_put(host); |
| 1595 | |
| 1596 | probe_disable_device: |
| 1597 | pci_disable_device(pdev); |
| 1598 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1599 | probe_out: |
| 1600 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1601 | } |
| 1602 | EXPORT_SYMBOL_GPL(qla2x00_probe_one); |
| 1603 | |
| 1604 | void qla2x00_remove_one(struct pci_dev *pdev) |
| 1605 | { |
| 1606 | scsi_qla_host_t *ha; |
| 1607 | |
| 1608 | ha = pci_get_drvdata(pdev); |
| 1609 | |
| 8482e11 | 2005-04-17 15:04:54 -0500 | [diff] [blame] | 1610 | qla2x00_free_sysfs_attr(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1611 | |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 1612 | fc_remove_host(ha->host); |
| 1613 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1614 | scsi_remove_host(ha->host); |
| 1615 | |
| 1616 | qla2x00_free_device(ha); |
| 1617 | |
| 1618 | scsi_host_put(ha->host); |
| 1619 | |
| 1620 | pci_set_drvdata(pdev, NULL); |
| 1621 | } |
| 1622 | EXPORT_SYMBOL_GPL(qla2x00_remove_one); |
| 1623 | |
| 1624 | static void |
| 1625 | qla2x00_free_device(scsi_qla_host_t *ha) |
| 1626 | { |
| 1627 | int ret; |
| 1628 | |
| 1629 | /* Abort any outstanding IO descriptors. */ |
| 1630 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) |
| 1631 | qla2x00_cancel_io_descriptors(ha); |
| 1632 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1633 | /* Disable timer */ |
| 1634 | if (ha->timer_active) |
| 1635 | qla2x00_stop_timer(ha); |
| 1636 | |
| 1637 | /* Kill the kernel thread for this host */ |
| 1638 | if (ha->dpc_pid >= 0) { |
| 1639 | ha->dpc_should_die = 1; |
| 1640 | wmb(); |
| 1641 | ret = kill_proc(ha->dpc_pid, SIGHUP, 1); |
| 1642 | if (ret) { |
| 1643 | qla_printk(KERN_ERR, ha, |
| 1644 | "Unable to signal DPC thread -- (%d)\n", ret); |
| 1645 | |
| 1646 | /* TODO: SOMETHING MORE??? */ |
| 1647 | } else { |
| 1648 | wait_for_completion(&ha->dpc_exited); |
| 1649 | } |
| 1650 | } |
| 1651 | |
Andrew Vasquez | f6ef3b1 | 2005-08-26 19:10:20 -0700 | [diff] [blame] | 1652 | /* Stop currently executing firmware. */ |
| 1653 | qla2x00_stop_firmware(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1654 | |
Andrew Vasquez | f6ef3b1 | 2005-08-26 19:10:20 -0700 | [diff] [blame] | 1655 | /* turn-off interrupts on the card */ |
| 1656 | if (ha->interrupts_on) |
| 1657 | ha->isp_ops.disable_intrs(ha); |
| 1658 | |
| 1659 | qla2x00_mem_free(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1660 | |
| 1661 | ha->flags.online = 0; |
| 1662 | |
| 1663 | /* Detach interrupts */ |
| 1664 | if (ha->pdev->irq) |
| 1665 | free_irq(ha->pdev->irq, ha); |
| 1666 | |
| 1667 | /* release io space registers */ |
| 1668 | if (ha->iobase) |
| 1669 | iounmap(ha->iobase); |
| 1670 | pci_release_regions(ha->pdev); |
| 1671 | |
| 1672 | pci_disable_device(ha->pdev); |
| 1673 | } |
| 1674 | |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1675 | static inline void |
| 1676 | qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport, |
| 1677 | int defer) |
| 1678 | { |
| 1679 | unsigned long flags; |
| 1680 | struct fc_rport *rport; |
| 1681 | |
| 1682 | if (!fcport->rport) |
| 1683 | return; |
| 1684 | |
| 1685 | rport = fcport->rport; |
| 1686 | if (defer) { |
| 1687 | spin_lock_irqsave(&fcport->rport_lock, flags); |
| 1688 | fcport->drport = rport; |
| 1689 | fcport->rport = NULL; |
andrew.vasquez@qlogic.com | 387f96b | 2006-02-07 08:45:45 -0800 | [diff] [blame^] | 1690 | *(fc_port_t **)rport->dd_data = NULL; |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1691 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
| 1692 | set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags); |
| 1693 | } else { |
| 1694 | spin_lock_irqsave(&fcport->rport_lock, flags); |
| 1695 | fcport->rport = NULL; |
andrew.vasquez@qlogic.com | 387f96b | 2006-02-07 08:45:45 -0800 | [diff] [blame^] | 1696 | *(fc_port_t **)rport->dd_data = NULL; |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1697 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
| 1698 | fc_remote_port_delete(rport); |
| 1699 | } |
| 1700 | } |
| 1701 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1702 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1703 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. |
| 1704 | * |
| 1705 | * Input: ha = adapter block pointer. fcport = port structure pointer. |
| 1706 | * |
| 1707 | * Return: None. |
| 1708 | * |
| 1709 | * Context: |
| 1710 | */ |
| 1711 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1712 | int do_login, int defer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1713 | { |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1714 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
| 1715 | qla2x00_schedule_rport_del(ha, fcport, defer); |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 1716 | |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 1717 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1718 | * We may need to retry the login, so don't change the state of the |
| 1719 | * port but do the retries. |
| 1720 | */ |
| 1721 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) |
| 1722 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| 1723 | |
| 1724 | if (!do_login) |
| 1725 | return; |
| 1726 | |
| 1727 | if (fcport->login_retry == 0) { |
| 1728 | fcport->login_retry = ha->login_retry_count; |
| 1729 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); |
| 1730 | |
| 1731 | DEBUG(printk("scsi(%ld): Port login retry: " |
| 1732 | "%02x%02x%02x%02x%02x%02x%02x%02x, " |
| 1733 | "id = 0x%04x retry cnt=%d\n", |
| 1734 | ha->host_no, |
| 1735 | fcport->port_name[0], |
| 1736 | fcport->port_name[1], |
| 1737 | fcport->port_name[2], |
| 1738 | fcport->port_name[3], |
| 1739 | fcport->port_name[4], |
| 1740 | fcport->port_name[5], |
| 1741 | fcport->port_name[6], |
| 1742 | fcport->port_name[7], |
| 1743 | fcport->loop_id, |
| 1744 | fcport->login_retry)); |
| 1745 | } |
| 1746 | } |
| 1747 | |
| 1748 | /* |
| 1749 | * qla2x00_mark_all_devices_lost |
| 1750 | * Updates fcport state when device goes offline. |
| 1751 | * |
| 1752 | * Input: |
| 1753 | * ha = adapter block pointer. |
| 1754 | * fcport = port structure pointer. |
| 1755 | * |
| 1756 | * Return: |
| 1757 | * None. |
| 1758 | * |
| 1759 | * Context: |
| 1760 | */ |
| 1761 | void |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1762 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1763 | { |
| 1764 | fc_port_t *fcport; |
| 1765 | |
| 1766 | list_for_each_entry(fcport, &ha->fcports, list) { |
| 1767 | if (fcport->port_type != FCT_TARGET) |
| 1768 | continue; |
| 1769 | |
| 1770 | /* |
| 1771 | * No point in marking the device as lost, if the device is |
| 1772 | * already DEAD. |
| 1773 | */ |
| 1774 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) |
| 1775 | continue; |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1776 | if (atomic_read(&fcport->state) == FCS_ONLINE) |
| 1777 | qla2x00_schedule_rport_del(ha, fcport, defer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1778 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| 1779 | } |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1780 | |
| 1781 | if (defer && ha->dpc_wait && !ha->dpc_active) |
| 1782 | up(ha->dpc_wait); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1783 | } |
| 1784 | |
| 1785 | /* |
| 1786 | * qla2x00_mem_alloc |
| 1787 | * Allocates adapter memory. |
| 1788 | * |
| 1789 | * Returns: |
| 1790 | * 0 = success. |
| 1791 | * 1 = failure. |
| 1792 | */ |
| 1793 | static uint8_t |
| 1794 | qla2x00_mem_alloc(scsi_qla_host_t *ha) |
| 1795 | { |
| 1796 | char name[16]; |
| 1797 | uint8_t status = 1; |
| 1798 | int retry= 10; |
| 1799 | |
| 1800 | do { |
| 1801 | /* |
| 1802 | * This will loop only once if everything goes well, else some |
| 1803 | * number of retries will be performed to get around a kernel |
| 1804 | * bug where available mem is not allocated until after a |
| 1805 | * little delay and a retry. |
| 1806 | */ |
| 1807 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, |
| 1808 | (ha->request_q_length + 1) * sizeof(request_t), |
| 1809 | &ha->request_dma, GFP_KERNEL); |
| 1810 | if (ha->request_ring == NULL) { |
| 1811 | qla_printk(KERN_WARNING, ha, |
| 1812 | "Memory Allocation failed - request_ring\n"); |
| 1813 | |
| 1814 | qla2x00_mem_free(ha); |
| 1815 | msleep(100); |
| 1816 | |
| 1817 | continue; |
| 1818 | } |
| 1819 | |
| 1820 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, |
| 1821 | (ha->response_q_length + 1) * sizeof(response_t), |
| 1822 | &ha->response_dma, GFP_KERNEL); |
| 1823 | if (ha->response_ring == NULL) { |
| 1824 | qla_printk(KERN_WARNING, ha, |
| 1825 | "Memory Allocation failed - response_ring\n"); |
| 1826 | |
| 1827 | qla2x00_mem_free(ha); |
| 1828 | msleep(100); |
| 1829 | |
| 1830 | continue; |
| 1831 | } |
| 1832 | |
| 1833 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, |
| 1834 | &ha->gid_list_dma, GFP_KERNEL); |
| 1835 | if (ha->gid_list == NULL) { |
| 1836 | qla_printk(KERN_WARNING, ha, |
| 1837 | "Memory Allocation failed - gid_list\n"); |
| 1838 | |
| 1839 | qla2x00_mem_free(ha); |
| 1840 | msleep(100); |
| 1841 | |
| 1842 | continue; |
| 1843 | } |
| 1844 | |
| 1845 | ha->rlc_rsp = dma_alloc_coherent(&ha->pdev->dev, |
| 1846 | sizeof(rpt_lun_cmd_rsp_t), &ha->rlc_rsp_dma, GFP_KERNEL); |
| 1847 | if (ha->rlc_rsp == NULL) { |
| 1848 | qla_printk(KERN_WARNING, ha, |
| 1849 | "Memory Allocation failed - rlc"); |
| 1850 | |
| 1851 | qla2x00_mem_free(ha); |
| 1852 | msleep(100); |
| 1853 | |
| 1854 | continue; |
| 1855 | } |
| 1856 | |
| 1857 | snprintf(name, sizeof(name), "qla2xxx_%ld", ha->host_no); |
| 1858 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, |
| 1859 | DMA_POOL_SIZE, 8, 0); |
| 1860 | if (ha->s_dma_pool == NULL) { |
| 1861 | qla_printk(KERN_WARNING, ha, |
| 1862 | "Memory Allocation failed - s_dma_pool\n"); |
| 1863 | |
| 1864 | qla2x00_mem_free(ha); |
| 1865 | msleep(100); |
| 1866 | |
| 1867 | continue; |
| 1868 | } |
| 1869 | |
| 1870 | /* get consistent memory allocated for init control block */ |
| 1871 | ha->init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, |
| 1872 | &ha->init_cb_dma); |
| 1873 | if (ha->init_cb == NULL) { |
| 1874 | qla_printk(KERN_WARNING, ha, |
| 1875 | "Memory Allocation failed - init_cb\n"); |
| 1876 | |
| 1877 | qla2x00_mem_free(ha); |
| 1878 | msleep(100); |
| 1879 | |
| 1880 | continue; |
| 1881 | } |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1882 | memset(ha->init_cb, 0, ha->init_cb_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1883 | |
| 1884 | /* Get consistent memory allocated for Get Port Database cmd */ |
| 1885 | ha->iodesc_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, |
| 1886 | &ha->iodesc_pd_dma); |
| 1887 | if (ha->iodesc_pd == NULL) { |
| 1888 | /* error */ |
| 1889 | qla_printk(KERN_WARNING, ha, |
| 1890 | "Memory Allocation failed - iodesc_pd\n"); |
| 1891 | |
| 1892 | qla2x00_mem_free(ha); |
| 1893 | msleep(100); |
| 1894 | |
| 1895 | continue; |
| 1896 | } |
| 1897 | memset(ha->iodesc_pd, 0, PORT_DATABASE_SIZE); |
| 1898 | |
| 1899 | /* Allocate ioctl related memory. */ |
| 1900 | if (qla2x00_alloc_ioctl_mem(ha)) { |
| 1901 | qla_printk(KERN_WARNING, ha, |
| 1902 | "Memory Allocation failed - ioctl_mem\n"); |
| 1903 | |
| 1904 | qla2x00_mem_free(ha); |
| 1905 | msleep(100); |
| 1906 | |
| 1907 | continue; |
| 1908 | } |
| 1909 | |
| 1910 | if (qla2x00_allocate_sp_pool(ha)) { |
| 1911 | qla_printk(KERN_WARNING, ha, |
| 1912 | "Memory Allocation failed - " |
| 1913 | "qla2x00_allocate_sp_pool()\n"); |
| 1914 | |
| 1915 | qla2x00_mem_free(ha); |
| 1916 | msleep(100); |
| 1917 | |
| 1918 | continue; |
| 1919 | } |
| 1920 | |
| 1921 | /* Allocate memory for SNS commands */ |
| 1922 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
| 1923 | /* Get consistent memory allocated for SNS commands */ |
| 1924 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, |
| 1925 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, |
| 1926 | GFP_KERNEL); |
| 1927 | if (ha->sns_cmd == NULL) { |
| 1928 | /* error */ |
| 1929 | qla_printk(KERN_WARNING, ha, |
| 1930 | "Memory Allocation failed - sns_cmd\n"); |
| 1931 | |
| 1932 | qla2x00_mem_free(ha); |
| 1933 | msleep(100); |
| 1934 | |
| 1935 | continue; |
| 1936 | } |
| 1937 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); |
| 1938 | } else { |
| 1939 | /* Get consistent memory allocated for MS IOCB */ |
| 1940 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, |
| 1941 | &ha->ms_iocb_dma); |
| 1942 | if (ha->ms_iocb == NULL) { |
| 1943 | /* error */ |
| 1944 | qla_printk(KERN_WARNING, ha, |
| 1945 | "Memory Allocation failed - ms_iocb\n"); |
| 1946 | |
| 1947 | qla2x00_mem_free(ha); |
| 1948 | msleep(100); |
| 1949 | |
| 1950 | continue; |
| 1951 | } |
| 1952 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); |
| 1953 | |
| 1954 | /* |
| 1955 | * Get consistent memory allocated for CT SNS |
| 1956 | * commands |
| 1957 | */ |
| 1958 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, |
| 1959 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, |
| 1960 | GFP_KERNEL); |
| 1961 | if (ha->ct_sns == NULL) { |
| 1962 | /* error */ |
| 1963 | qla_printk(KERN_WARNING, ha, |
| 1964 | "Memory Allocation failed - ct_sns\n"); |
| 1965 | |
| 1966 | qla2x00_mem_free(ha); |
| 1967 | msleep(100); |
| 1968 | |
| 1969 | continue; |
| 1970 | } |
| 1971 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); |
| 1972 | } |
| 1973 | |
| 1974 | /* Done all allocations without any error. */ |
| 1975 | status = 0; |
| 1976 | |
| 1977 | } while (retry-- && status != 0); |
| 1978 | |
| 1979 | if (status) { |
| 1980 | printk(KERN_WARNING |
| 1981 | "%s(): **** FAILED ****\n", __func__); |
| 1982 | } |
| 1983 | |
| 1984 | return(status); |
| 1985 | } |
| 1986 | |
| 1987 | /* |
| 1988 | * qla2x00_mem_free |
| 1989 | * Frees all adapter allocated memory. |
| 1990 | * |
| 1991 | * Input: |
| 1992 | * ha = adapter block pointer. |
| 1993 | */ |
| 1994 | static void |
| 1995 | qla2x00_mem_free(scsi_qla_host_t *ha) |
| 1996 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1997 | struct list_head *fcpl, *fcptemp; |
| 1998 | fc_port_t *fcport; |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 1999 | unsigned int wtime;/* max wait time if mbx cmd is busy. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2000 | |
| 2001 | if (ha == NULL) { |
| 2002 | /* error */ |
| 2003 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); |
| 2004 | return; |
| 2005 | } |
| 2006 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2007 | /* Make sure all other threads are stopped. */ |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 2008 | wtime = 60 * 1000; |
| 2009 | while (ha->dpc_wait && wtime) |
| 2010 | wtime = msleep_interruptible(wtime); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2011 | |
| 2012 | /* free ioctl memory */ |
| 2013 | qla2x00_free_ioctl_mem(ha); |
| 2014 | |
| 2015 | /* free sp pool */ |
| 2016 | qla2x00_free_sp_pool(ha); |
| 2017 | |
| 2018 | if (ha->sns_cmd) |
| 2019 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), |
| 2020 | ha->sns_cmd, ha->sns_cmd_dma); |
| 2021 | |
| 2022 | if (ha->ct_sns) |
| 2023 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), |
| 2024 | ha->ct_sns, ha->ct_sns_dma); |
| 2025 | |
| 2026 | if (ha->ms_iocb) |
| 2027 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); |
| 2028 | |
| 2029 | if (ha->iodesc_pd) |
| 2030 | dma_pool_free(ha->s_dma_pool, ha->iodesc_pd, ha->iodesc_pd_dma); |
| 2031 | |
| 2032 | if (ha->init_cb) |
| 2033 | dma_pool_free(ha->s_dma_pool, ha->init_cb, ha->init_cb_dma); |
| 2034 | |
| 2035 | if (ha->s_dma_pool) |
| 2036 | dma_pool_destroy(ha->s_dma_pool); |
| 2037 | |
| 2038 | if (ha->rlc_rsp) |
| 2039 | dma_free_coherent(&ha->pdev->dev, |
| 2040 | sizeof(rpt_lun_cmd_rsp_t), ha->rlc_rsp, |
| 2041 | ha->rlc_rsp_dma); |
| 2042 | |
| 2043 | if (ha->gid_list) |
| 2044 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, |
| 2045 | ha->gid_list_dma); |
| 2046 | |
| 2047 | if (ha->response_ring) |
| 2048 | dma_free_coherent(&ha->pdev->dev, |
| 2049 | (ha->response_q_length + 1) * sizeof(response_t), |
| 2050 | ha->response_ring, ha->response_dma); |
| 2051 | |
| 2052 | if (ha->request_ring) |
| 2053 | dma_free_coherent(&ha->pdev->dev, |
| 2054 | (ha->request_q_length + 1) * sizeof(request_t), |
| 2055 | ha->request_ring, ha->request_dma); |
| 2056 | |
| 2057 | ha->sns_cmd = NULL; |
| 2058 | ha->sns_cmd_dma = 0; |
| 2059 | ha->ct_sns = NULL; |
| 2060 | ha->ct_sns_dma = 0; |
| 2061 | ha->ms_iocb = NULL; |
| 2062 | ha->ms_iocb_dma = 0; |
| 2063 | ha->iodesc_pd = NULL; |
| 2064 | ha->iodesc_pd_dma = 0; |
| 2065 | ha->init_cb = NULL; |
| 2066 | ha->init_cb_dma = 0; |
| 2067 | |
| 2068 | ha->s_dma_pool = NULL; |
| 2069 | |
| 2070 | ha->rlc_rsp = NULL; |
| 2071 | ha->rlc_rsp_dma = 0; |
| 2072 | ha->gid_list = NULL; |
| 2073 | ha->gid_list_dma = 0; |
| 2074 | |
| 2075 | ha->response_ring = NULL; |
| 2076 | ha->response_dma = 0; |
| 2077 | ha->request_ring = NULL; |
| 2078 | ha->request_dma = 0; |
| 2079 | |
| 2080 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { |
| 2081 | fcport = list_entry(fcpl, fc_port_t, list); |
| 2082 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2083 | /* fc ports */ |
| 2084 | list_del_init(&fcport->list); |
| 2085 | kfree(fcport); |
| 2086 | } |
| 2087 | INIT_LIST_HEAD(&ha->fcports); |
| 2088 | |
| 2089 | if (ha->fw_dump) |
| 2090 | free_pages((unsigned long)ha->fw_dump, ha->fw_dump_order); |
| 2091 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2092 | vfree(ha->fw_dump24); |
| 2093 | |
| 2094 | vfree(ha->fw_dump_buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2095 | |
| 2096 | ha->fw_dump = NULL; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2097 | ha->fw_dump24 = NULL; |
| 2098 | ha->fw_dumped = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2099 | ha->fw_dump_reading = 0; |
| 2100 | ha->fw_dump_buffer = NULL; |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 2101 | |
| 2102 | vfree(ha->optrom_buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2103 | } |
| 2104 | |
| 2105 | /* |
| 2106 | * qla2x00_allocate_sp_pool |
| 2107 | * This routine is called during initialization to allocate |
| 2108 | * memory for local srb_t. |
| 2109 | * |
| 2110 | * Input: |
| 2111 | * ha = adapter block pointer. |
| 2112 | * |
| 2113 | * Context: |
| 2114 | * Kernel context. |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2115 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2116 | * Note: Sets the ref_count for non Null sp to one. |
| 2117 | */ |
| 2118 | static int |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2119 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2120 | { |
| 2121 | int rval; |
| 2122 | |
| 2123 | rval = QLA_SUCCESS; |
| 2124 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, |
| 2125 | mempool_free_slab, srb_cachep); |
| 2126 | if (ha->srb_mempool == NULL) { |
| 2127 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); |
| 2128 | rval = QLA_FUNCTION_FAILED; |
| 2129 | } |
| 2130 | return (rval); |
| 2131 | } |
| 2132 | |
| 2133 | /* |
| 2134 | * This routine frees all adapter allocated memory. |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2135 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2136 | */ |
| 2137 | static void |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2138 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2139 | { |
| 2140 | if (ha->srb_mempool) { |
| 2141 | mempool_destroy(ha->srb_mempool); |
| 2142 | ha->srb_mempool = NULL; |
| 2143 | } |
| 2144 | } |
| 2145 | |
| 2146 | /************************************************************************** |
| 2147 | * qla2x00_do_dpc |
| 2148 | * This kernel thread is a task that is schedule by the interrupt handler |
| 2149 | * to perform the background processing for interrupts. |
| 2150 | * |
| 2151 | * Notes: |
| 2152 | * This task always run in the context of a kernel thread. It |
| 2153 | * is kick-off by the driver's detect code and starts up |
| 2154 | * up one per adapter. It immediately goes to sleep and waits for |
| 2155 | * some fibre event. When either the interrupt handler or |
| 2156 | * the timer routine detects a event it will one of the task |
| 2157 | * bits then wake us up. |
| 2158 | **************************************************************************/ |
| 2159 | static int |
| 2160 | qla2x00_do_dpc(void *data) |
| 2161 | { |
| 2162 | DECLARE_MUTEX_LOCKED(sem); |
| 2163 | scsi_qla_host_t *ha; |
| 2164 | fc_port_t *fcport; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2165 | uint8_t status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2166 | uint16_t next_loopid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2167 | |
| 2168 | ha = (scsi_qla_host_t *)data; |
| 2169 | |
| 2170 | lock_kernel(); |
| 2171 | |
| 2172 | daemonize("%s_dpc", ha->host_str); |
| 2173 | allow_signal(SIGHUP); |
| 2174 | |
| 2175 | ha->dpc_wait = &sem; |
| 2176 | |
| 2177 | set_user_nice(current, -20); |
| 2178 | |
| 2179 | unlock_kernel(); |
| 2180 | |
| 2181 | complete(&ha->dpc_inited); |
| 2182 | |
| 2183 | while (1) { |
| 2184 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
| 2185 | |
| 2186 | if (down_interruptible(&sem)) |
| 2187 | break; |
| 2188 | |
| 2189 | if (ha->dpc_should_die) |
| 2190 | break; |
| 2191 | |
| 2192 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); |
| 2193 | |
| 2194 | /* Initialization not yet finished. Don't do anything yet. */ |
| 2195 | if (!ha->flags.init_done || ha->dpc_active) |
| 2196 | continue; |
| 2197 | |
| 2198 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); |
| 2199 | |
| 2200 | ha->dpc_active = 1; |
| 2201 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2202 | if (ha->flags.mbox_busy) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2203 | ha->dpc_active = 0; |
| 2204 | continue; |
| 2205 | } |
| 2206 | |
| 2207 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { |
| 2208 | |
| 2209 | DEBUG(printk("scsi(%ld): dpc: sched " |
| 2210 | "qla2x00_abort_isp ha = %p\n", |
| 2211 | ha->host_no, ha)); |
| 2212 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, |
| 2213 | &ha->dpc_flags))) { |
| 2214 | |
| 2215 | if (qla2x00_abort_isp(ha)) { |
| 2216 | /* failed. retry later */ |
| 2217 | set_bit(ISP_ABORT_NEEDED, |
| 2218 | &ha->dpc_flags); |
| 2219 | } |
| 2220 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
| 2221 | } |
| 2222 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", |
| 2223 | ha->host_no)); |
| 2224 | } |
| 2225 | |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 2226 | if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) |
| 2227 | qla2x00_update_fcports(ha); |
| 2228 | |
Andrew Vasquez | 91ca7b0 | 2005-10-27 16:03:37 -0700 | [diff] [blame] | 2229 | if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) { |
| 2230 | DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n", |
| 2231 | ha->host_no)); |
| 2232 | qla2x00_loop_reset(ha); |
| 2233 | } |
| 2234 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2235 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && |
| 2236 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { |
| 2237 | |
| 2238 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", |
| 2239 | ha->host_no)); |
| 2240 | |
| 2241 | qla2x00_rst_aen(ha); |
| 2242 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); |
| 2243 | } |
| 2244 | |
| 2245 | /* Retry each device up to login retry count */ |
| 2246 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && |
| 2247 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && |
| 2248 | atomic_read(&ha->loop_state) != LOOP_DOWN) { |
| 2249 | |
| 2250 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", |
| 2251 | ha->host_no)); |
| 2252 | |
| 2253 | next_loopid = 0; |
| 2254 | list_for_each_entry(fcport, &ha->fcports, list) { |
| 2255 | if (fcport->port_type != FCT_TARGET) |
| 2256 | continue; |
| 2257 | |
| 2258 | /* |
| 2259 | * If the port is not ONLINE then try to login |
| 2260 | * to it if we haven't run out of retries. |
| 2261 | */ |
| 2262 | if (atomic_read(&fcport->state) != FCS_ONLINE && |
| 2263 | fcport->login_retry) { |
| 2264 | |
| 2265 | fcport->login_retry--; |
| 2266 | if (fcport->flags & FCF_FABRIC_DEVICE) { |
| 2267 | if (fcport->flags & |
| 2268 | FCF_TAPE_PRESENT) |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 2269 | ha->isp_ops.fabric_logout( |
Andrew Vasquez | 1c7c635 | 2005-07-06 10:30:57 -0700 | [diff] [blame] | 2270 | ha, fcport->loop_id, |
| 2271 | fcport->d_id.b.domain, |
| 2272 | fcport->d_id.b.area, |
| 2273 | fcport->d_id.b.al_pa); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2274 | status = qla2x00_fabric_login( |
| 2275 | ha, fcport, &next_loopid); |
| 2276 | } else |
| 2277 | status = |
| 2278 | qla2x00_local_device_login( |
| 2279 | ha, fcport->loop_id); |
| 2280 | |
| 2281 | if (status == QLA_SUCCESS) { |
| 2282 | fcport->old_loop_id = fcport->loop_id; |
| 2283 | |
| 2284 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", |
| 2285 | ha->host_no, fcport->loop_id)); |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2286 | |
andrew.vasquez@qlogic.com | 052c40c | 2006-01-20 14:53:19 -0800 | [diff] [blame] | 2287 | qla2x00_update_fcport(ha, |
| 2288 | fcport); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2289 | } else if (status == 1) { |
| 2290 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); |
| 2291 | /* retry the login again */ |
| 2292 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", |
| 2293 | ha->host_no, |
| 2294 | fcport->login_retry, fcport->loop_id)); |
| 2295 | } else { |
| 2296 | fcport->login_retry = 0; |
| 2297 | } |
| 2298 | } |
| 2299 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) |
| 2300 | break; |
| 2301 | } |
| 2302 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", |
| 2303 | ha->host_no)); |
| 2304 | } |
| 2305 | |
| 2306 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && |
| 2307 | atomic_read(&ha->loop_state) != LOOP_DOWN) { |
| 2308 | |
| 2309 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); |
| 2310 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", |
| 2311 | ha->host_no)); |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2312 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2313 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
| 2314 | |
| 2315 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", |
| 2316 | ha->host_no)); |
| 2317 | } |
| 2318 | |
| 2319 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { |
| 2320 | |
| 2321 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", |
| 2322 | ha->host_no)); |
| 2323 | |
| 2324 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, |
| 2325 | &ha->dpc_flags))) { |
| 2326 | |
| 2327 | qla2x00_loop_resync(ha); |
| 2328 | |
| 2329 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); |
| 2330 | } |
| 2331 | |
| 2332 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", |
| 2333 | ha->host_no)); |
| 2334 | } |
| 2335 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2336 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
| 2337 | |
| 2338 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", |
| 2339 | ha->host_no)); |
| 2340 | |
| 2341 | qla2x00_rescan_fcports(ha); |
| 2342 | |
| 2343 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." |
| 2344 | "end.\n", |
| 2345 | ha->host_no)); |
| 2346 | } |
| 2347 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2348 | if (!ha->interrupts_on) |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 2349 | ha->isp_ops.enable_intrs(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2350 | |
andrew.vasquez@qlogic.com | f6df144 | 2006-01-31 16:05:07 -0800 | [diff] [blame] | 2351 | if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags)) |
| 2352 | ha->isp_ops.beacon_blink(ha); |
| 2353 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2354 | ha->dpc_active = 0; |
| 2355 | } /* End of while(1) */ |
| 2356 | |
| 2357 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); |
| 2358 | |
| 2359 | /* |
| 2360 | * Make sure that nobody tries to wake us up again. |
| 2361 | */ |
| 2362 | ha->dpc_wait = NULL; |
| 2363 | ha->dpc_active = 0; |
| 2364 | |
| 2365 | complete_and_exit(&ha->dpc_exited, 0); |
| 2366 | } |
| 2367 | |
| 2368 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2369 | * qla2x00_rst_aen |
| 2370 | * Processes asynchronous reset. |
| 2371 | * |
| 2372 | * Input: |
| 2373 | * ha = adapter block pointer. |
| 2374 | */ |
| 2375 | static void |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2376 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2377 | { |
| 2378 | if (ha->flags.online && !ha->flags.reset_active && |
| 2379 | !atomic_read(&ha->loop_down_timer) && |
| 2380 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { |
| 2381 | do { |
| 2382 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); |
| 2383 | |
| 2384 | /* |
| 2385 | * Issue marker command only when we are going to start |
| 2386 | * the I/O. |
| 2387 | */ |
| 2388 | ha->marker_needed = 1; |
| 2389 | } while (!atomic_read(&ha->loop_down_timer) && |
| 2390 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); |
| 2391 | } |
| 2392 | } |
| 2393 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2394 | static void |
| 2395 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) |
| 2396 | { |
| 2397 | struct scsi_cmnd *cmd = sp->cmd; |
| 2398 | |
| 2399 | if (sp->flags & SRB_DMA_VALID) { |
| 2400 | if (cmd->use_sg) { |
| 2401 | dma_unmap_sg(&ha->pdev->dev, cmd->request_buffer, |
| 2402 | cmd->use_sg, cmd->sc_data_direction); |
| 2403 | } else if (cmd->request_bufflen) { |
| 2404 | dma_unmap_single(&ha->pdev->dev, sp->dma_handle, |
| 2405 | cmd->request_bufflen, cmd->sc_data_direction); |
| 2406 | } |
| 2407 | sp->flags &= ~SRB_DMA_VALID; |
| 2408 | } |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2409 | CMD_SP(cmd) = NULL; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2410 | } |
| 2411 | |
| 2412 | void |
| 2413 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) |
| 2414 | { |
| 2415 | struct scsi_cmnd *cmd = sp->cmd; |
| 2416 | |
| 2417 | qla2x00_sp_free_dma(ha, sp); |
| 2418 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2419 | mempool_free(sp, ha->srb_mempool); |
| 2420 | |
| 2421 | cmd->scsi_done(cmd); |
| 2422 | } |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 2423 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2424 | /************************************************************************** |
| 2425 | * qla2x00_timer |
| 2426 | * |
| 2427 | * Description: |
| 2428 | * One second timer |
| 2429 | * |
| 2430 | * Context: Interrupt |
| 2431 | ***************************************************************************/ |
| 2432 | static void |
| 2433 | qla2x00_timer(scsi_qla_host_t *ha) |
| 2434 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2435 | unsigned long cpu_flags = 0; |
| 2436 | fc_port_t *fcport; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2437 | int start_dpc = 0; |
| 2438 | int index; |
| 2439 | srb_t *sp; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2440 | int t; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2441 | |
| 2442 | /* |
| 2443 | * Ports - Port down timer. |
| 2444 | * |
| 2445 | * Whenever, a port is in the LOST state we start decrementing its port |
| 2446 | * down timer every second until it reaches zero. Once it reaches zero |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2447 | * the port it marked DEAD. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2448 | */ |
| 2449 | t = 0; |
| 2450 | list_for_each_entry(fcport, &ha->fcports, list) { |
| 2451 | if (fcport->port_type != FCT_TARGET) |
| 2452 | continue; |
| 2453 | |
| 2454 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { |
| 2455 | |
| 2456 | if (atomic_read(&fcport->port_down_timer) == 0) |
| 2457 | continue; |
| 2458 | |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2459 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2460 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2461 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2462 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2463 | "%d remaining\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2464 | ha->host_no, |
| 2465 | t, atomic_read(&fcport->port_down_timer))); |
| 2466 | } |
| 2467 | t++; |
| 2468 | } /* End of for fcport */ |
| 2469 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2470 | |
| 2471 | /* Loop down handler. */ |
| 2472 | if (atomic_read(&ha->loop_down_timer) > 0 && |
| 2473 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { |
| 2474 | |
| 2475 | if (atomic_read(&ha->loop_down_timer) == |
| 2476 | ha->loop_down_abort_time) { |
| 2477 | |
| 2478 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " |
| 2479 | "queues before time expire\n", |
| 2480 | ha->host_no)); |
| 2481 | |
| 2482 | if (!IS_QLA2100(ha) && ha->link_down_timeout) |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2483 | atomic_set(&ha->loop_state, LOOP_DEAD); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2484 | |
| 2485 | /* Schedule an ISP abort to return any tape commands. */ |
| 2486 | spin_lock_irqsave(&ha->hardware_lock, cpu_flags); |
| 2487 | for (index = 1; index < MAX_OUTSTANDING_COMMANDS; |
| 2488 | index++) { |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 2489 | fc_port_t *sfcp; |
| 2490 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2491 | sp = ha->outstanding_cmds[index]; |
| 2492 | if (!sp) |
| 2493 | continue; |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 2494 | sfcp = sp->fcport; |
| 2495 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2496 | continue; |
| 2497 | |
| 2498 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
| 2499 | break; |
| 2500 | } |
| 2501 | spin_unlock_irqrestore(&ha->hardware_lock, cpu_flags); |
| 2502 | |
| 2503 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); |
| 2504 | start_dpc++; |
| 2505 | } |
| 2506 | |
| 2507 | /* if the loop has been down for 4 minutes, reinit adapter */ |
| 2508 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { |
| 2509 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " |
| 2510 | "restarting queues.\n", |
| 2511 | ha->host_no)); |
| 2512 | |
| 2513 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); |
| 2514 | start_dpc++; |
| 2515 | |
| 2516 | if (!(ha->device_flags & DFLG_NO_CABLE)) { |
| 2517 | DEBUG(printk("scsi(%ld): Loop down - " |
| 2518 | "aborting ISP.\n", |
| 2519 | ha->host_no)); |
| 2520 | qla_printk(KERN_WARNING, ha, |
| 2521 | "Loop down - aborting ISP.\n"); |
| 2522 | |
| 2523 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
| 2524 | } |
| 2525 | } |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2526 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2527 | ha->host_no, |
| 2528 | atomic_read(&ha->loop_down_timer))); |
| 2529 | } |
| 2530 | |
andrew.vasquez@qlogic.com | f6df144 | 2006-01-31 16:05:07 -0800 | [diff] [blame] | 2531 | /* Check if beacon LED needs to be blinked */ |
| 2532 | if (ha->beacon_blink_led == 1) { |
| 2533 | set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags); |
| 2534 | start_dpc++; |
| 2535 | } |
| 2536 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2537 | /* Schedule the DPC routine if needed */ |
| 2538 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || |
| 2539 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || |
Andrew Vasquez | 91ca7b0 | 2005-10-27 16:03:37 -0700 | [diff] [blame] | 2540 | test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) || |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 2541 | test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2542 | start_dpc || |
| 2543 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2544 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
andrew.vasquez@qlogic.com | f6df144 | 2006-01-31 16:05:07 -0800 | [diff] [blame] | 2545 | test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2546 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && |
| 2547 | ha->dpc_wait && !ha->dpc_active) { |
| 2548 | |
| 2549 | up(ha->dpc_wait); |
| 2550 | } |
| 2551 | |
| 2552 | qla2x00_restart_timer(ha, WATCH_INTERVAL); |
| 2553 | } |
| 2554 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2555 | /* XXX(hch): crude hack to emulate a down_timeout() */ |
| 2556 | int |
| 2557 | qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) |
| 2558 | { |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 2559 | const unsigned int step = 100; /* msecs */ |
| 2560 | unsigned int iterations = jiffies_to_msecs(timeout)/100; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2561 | |
| 2562 | do { |
| 2563 | if (!down_trylock(sema)) |
| 2564 | return 0; |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 2565 | if (msleep_interruptible(step)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2566 | break; |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 2567 | } while (--iterations >= 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2568 | |
| 2569 | return -ETIMEDOUT; |
| 2570 | } |
| 2571 | |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2572 | #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) |
| 2573 | |
| 2574 | #define qla2x00_release_firmware() do { } while (0) |
Andrew Vasquez | 331e347 | 2005-11-09 15:49:19 -0800 | [diff] [blame] | 2575 | #define qla2x00_pci_module_init() (0) |
| 2576 | #define qla2x00_pci_module_exit() do { } while (0) |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2577 | |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2578 | #else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */ |
| 2579 | |
| 2580 | /* Firmware interface routines. */ |
| 2581 | |
| 2582 | #define FW_BLOBS 6 |
| 2583 | #define FW_ISP21XX 0 |
| 2584 | #define FW_ISP22XX 1 |
| 2585 | #define FW_ISP2300 2 |
| 2586 | #define FW_ISP2322 3 |
| 2587 | #define FW_ISP63XX 4 |
| 2588 | #define FW_ISP24XX 5 |
| 2589 | |
| 2590 | static DECLARE_MUTEX(qla_fw_lock); |
| 2591 | |
| 2592 | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { |
| 2593 | { .name = "ql2100_fw.bin", .segs = { 0x1000, 0 }, }, |
| 2594 | { .name = "ql2200_fw.bin", .segs = { 0x1000, 0 }, }, |
| 2595 | { .name = "ql2300_fw.bin", .segs = { 0x800, 0 }, }, |
| 2596 | { .name = "ql2322_fw.bin", .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, |
| 2597 | { .name = "ql6312_fw.bin", .segs = { 0x800, 0 }, }, |
| 2598 | { .name = "ql2400_fw.bin", }, |
| 2599 | }; |
| 2600 | |
| 2601 | struct fw_blob * |
| 2602 | qla2x00_request_firmware(scsi_qla_host_t *ha) |
| 2603 | { |
| 2604 | struct fw_blob *blob; |
| 2605 | |
| 2606 | blob = NULL; |
| 2607 | if (IS_QLA2100(ha)) { |
| 2608 | blob = &qla_fw_blobs[FW_ISP21XX]; |
| 2609 | } else if (IS_QLA2200(ha)) { |
| 2610 | blob = &qla_fw_blobs[FW_ISP22XX]; |
| 2611 | } else if (IS_QLA2300(ha) || IS_QLA2312(ha)) { |
| 2612 | blob = &qla_fw_blobs[FW_ISP2300]; |
| 2613 | } else if (IS_QLA2322(ha)) { |
| 2614 | blob = &qla_fw_blobs[FW_ISP2322]; |
| 2615 | } else if (IS_QLA6312(ha) || IS_QLA6322(ha)) { |
| 2616 | blob = &qla_fw_blobs[FW_ISP63XX]; |
| 2617 | } else if (IS_QLA24XX(ha)) { |
| 2618 | blob = &qla_fw_blobs[FW_ISP24XX]; |
| 2619 | } |
| 2620 | |
| 2621 | down(&qla_fw_lock); |
| 2622 | if (blob->fw) |
| 2623 | goto out; |
| 2624 | |
| 2625 | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { |
| 2626 | DEBUG2(printk("scsi(%ld): Failed to load firmware image " |
| 2627 | "(%s).\n", ha->host_no, blob->name)); |
| 2628 | blob->fw = NULL; |
| 2629 | blob = NULL; |
| 2630 | goto out; |
| 2631 | } |
| 2632 | |
| 2633 | out: |
| 2634 | up(&qla_fw_lock); |
| 2635 | return blob; |
| 2636 | } |
| 2637 | |
| 2638 | static void |
| 2639 | qla2x00_release_firmware(void) |
| 2640 | { |
| 2641 | int idx; |
| 2642 | |
| 2643 | down(&qla_fw_lock); |
| 2644 | for (idx = 0; idx < FW_BLOBS; idx++) |
| 2645 | if (qla_fw_blobs[idx].fw) |
| 2646 | release_firmware(qla_fw_blobs[idx].fw); |
| 2647 | up(&qla_fw_lock); |
| 2648 | } |
| 2649 | |
| 2650 | static struct qla_board_info qla_board_tbl = { |
| 2651 | .drv_name = "qla2xxx", |
| 2652 | }; |
| 2653 | |
| 2654 | static struct pci_device_id qla2xxx_pci_tbl[] = { |
| 2655 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100, |
| 2656 | PCI_ANY_ID, PCI_ANY_ID, }, |
| 2657 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200, |
| 2658 | PCI_ANY_ID, PCI_ANY_ID, }, |
| 2659 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300, |
| 2660 | PCI_ANY_ID, PCI_ANY_ID, }, |
| 2661 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312, |
| 2662 | PCI_ANY_ID, PCI_ANY_ID, }, |
| 2663 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322, |
| 2664 | PCI_ANY_ID, PCI_ANY_ID, }, |
| 2665 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312, |
| 2666 | PCI_ANY_ID, PCI_ANY_ID, }, |
| 2667 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322, |
| 2668 | PCI_ANY_ID, PCI_ANY_ID, }, |
| 2669 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422, |
| 2670 | PCI_ANY_ID, PCI_ANY_ID, }, |
| 2671 | { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432, |
| 2672 | PCI_ANY_ID, PCI_ANY_ID, }, |
| 2673 | { 0 }, |
| 2674 | }; |
| 2675 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); |
| 2676 | |
| 2677 | static int __devinit |
| 2678 | qla2xxx_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) |
| 2679 | { |
| 2680 | return qla2x00_probe_one(pdev, &qla_board_tbl); |
| 2681 | } |
| 2682 | |
| 2683 | static void __devexit |
| 2684 | qla2xxx_remove_one(struct pci_dev *pdev) |
| 2685 | { |
| 2686 | qla2x00_remove_one(pdev); |
| 2687 | } |
| 2688 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2689 | static struct pci_driver qla2xxx_pci_driver = { |
| 2690 | .name = "qla2xxx", |
James Bottomley | 0a21ef1 | 2005-12-01 12:51:50 -0600 | [diff] [blame] | 2691 | .driver = { |
| 2692 | .owner = THIS_MODULE, |
| 2693 | }, |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2694 | .id_table = qla2xxx_pci_tbl, |
| 2695 | .probe = qla2xxx_probe_one, |
| 2696 | .remove = __devexit_p(qla2xxx_remove_one), |
| 2697 | }; |
| 2698 | |
Andrew Vasquez | 331e347 | 2005-11-09 15:49:19 -0800 | [diff] [blame] | 2699 | static inline int |
| 2700 | qla2x00_pci_module_init(void) |
| 2701 | { |
| 2702 | return pci_module_init(&qla2xxx_pci_driver); |
| 2703 | } |
| 2704 | |
| 2705 | static inline void |
| 2706 | qla2x00_pci_module_exit(void) |
| 2707 | { |
| 2708 | pci_unregister_driver(&qla2xxx_pci_driver); |
| 2709 | } |
| 2710 | |
| 2711 | #endif |
| 2712 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2713 | /** |
| 2714 | * qla2x00_module_init - Module initialization. |
| 2715 | **/ |
| 2716 | static int __init |
| 2717 | qla2x00_module_init(void) |
| 2718 | { |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2719 | int ret = 0; |
| 2720 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2721 | /* Allocate cache for SRBs. */ |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 2722 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2723 | SLAB_HWCACHE_ALIGN, NULL, NULL); |
| 2724 | if (srb_cachep == NULL) { |
| 2725 | printk(KERN_ERR |
| 2726 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); |
| 2727 | return -ENOMEM; |
| 2728 | } |
| 2729 | |
| 2730 | /* Derive version string. */ |
| 2731 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2732 | #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) |
| 2733 | strcat(qla2x00_version_str, "-fw"); |
| 2734 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2735 | #if DEBUG_QLA2100 |
| 2736 | strcat(qla2x00_version_str, "-debug"); |
| 2737 | #endif |
Andrew Vasquez | 1c97a12 | 2005-04-21 16:13:36 -0400 | [diff] [blame] | 2738 | qla2xxx_transport_template = |
| 2739 | fc_attach_transport(&qla2xxx_transport_functions); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2740 | if (!qla2xxx_transport_template) |
| 2741 | return -ENODEV; |
| 2742 | |
| 2743 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); |
Andrew Vasquez | 331e347 | 2005-11-09 15:49:19 -0800 | [diff] [blame] | 2744 | ret = qla2x00_pci_module_init(); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2745 | if (ret) { |
| 2746 | kmem_cache_destroy(srb_cachep); |
| 2747 | fc_release_transport(qla2xxx_transport_template); |
| 2748 | } |
| 2749 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2750 | } |
| 2751 | |
| 2752 | /** |
| 2753 | * qla2x00_module_exit - Module cleanup. |
| 2754 | **/ |
| 2755 | static void __exit |
| 2756 | qla2x00_module_exit(void) |
| 2757 | { |
Andrew Vasquez | 331e347 | 2005-11-09 15:49:19 -0800 | [diff] [blame] | 2758 | qla2x00_pci_module_exit(); |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2759 | qla2x00_release_firmware(); |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 2760 | kmem_cache_destroy(srb_cachep); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2761 | fc_release_transport(qla2xxx_transport_template); |
| 2762 | } |
| 2763 | |
| 2764 | module_init(qla2x00_module_init); |
| 2765 | module_exit(qla2x00_module_exit); |
| 2766 | |
| 2767 | MODULE_AUTHOR("QLogic Corporation"); |
| 2768 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); |
| 2769 | MODULE_LICENSE("GPL"); |
| 2770 | MODULE_VERSION(QLA2XXX_VERSION); |