diff options
Diffstat (limited to 'drivers/scsi/gdth_proc.c')
| -rw-r--r-- | drivers/scsi/gdth_proc.c | 416 |
1 files changed, 98 insertions, 318 deletions
diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c index 32982eb75c8..9fb63268486 100644 --- a/drivers/scsi/gdth_proc.c +++ b/drivers/scsi/gdth_proc.c @@ -3,63 +3,20 @@ */ #include <linux/completion.h> +#include <linux/slab.h> -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) -int gdth_proc_info(struct Scsi_Host *host, char *buffer,char **start,off_t offset,int length, - int inout) -{ - int hanum,busnum; - - TRACE2(("gdth_proc_info() length %d offs %d inout %d\n", - length,(int)offset,inout)); - - hanum = NUMDATA(host)->hanum; - busnum= NUMDATA(host)->busnum; - - if (inout) - return(gdth_set_info(buffer,length,host,hanum,busnum)); - else - return(gdth_get_info(buffer,start,offset,length,host,hanum,busnum)); -} -#else -int gdth_proc_info(char *buffer,char **start,off_t offset,int length,int hostno, - int inout) -{ - int hanum,busnum,i; - - TRACE2(("gdth_proc_info() length %d offs %d inout %d\n", - length,(int)offset,inout)); - - for (i = 0; i < gdth_ctr_vcount; ++i) { - if (gdth_ctr_vtab[i]->host_no == hostno) - break; - } - if (i == gdth_ctr_vcount) - return(-EINVAL); - - hanum = NUMDATA(gdth_ctr_vtab[i])->hanum; - busnum= NUMDATA(gdth_ctr_vtab[i])->busnum; - - if (inout) - return(gdth_set_info(buffer,length,gdth_ctr_vtab[i],hanum,busnum)); - else - return(gdth_get_info(buffer,start,offset,length, - gdth_ctr_vtab[i],hanum,busnum)); -} -#endif - -static int gdth_set_info(char *buffer,int length,struct Scsi_Host *host, - int hanum,int busnum) +int gdth_set_info(struct Scsi_Host *host, char *buffer, int length) { + gdth_ha_str *ha = shost_priv(host); int ret_val = -EINVAL; - TRACE2(("gdth_set_info() ha %d bus %d\n",hanum,busnum)); + TRACE2(("gdth_set_info() ha %d\n",ha->hanum,)); if (length >= 4) { if (strncmp(buffer,"gdth",4) == 0) { buffer += 5; length -= 5; - ret_val = gdth_set_asc_info(host, buffer, length, hanum); + ret_val = gdth_set_asc_info(host, buffer, length, ha); } } @@ -67,21 +24,19 @@ static int gdth_set_info(char *buffer,int length,struct Scsi_Host *host, } static int gdth_set_asc_info(struct Scsi_Host *host, char *buffer, - int length,int hanum) + int length, gdth_ha_str *ha) { int orig_length, drive, wb_mode; int i, found; - gdth_ha_str *ha; gdth_cmd_str gdtcmd; gdth_cpar_str *pcpar; - ulong64 paddr; + u64 paddr; char cmnd[MAX_COMMAND_SIZE]; memset(cmnd, 0xff, 12); memset(&gdtcmd, 0, sizeof(gdth_cmd_str)); - TRACE2(("gdth_set_asc_info() ha %d\n",hanum)); - ha = HADATA(gdth_ctr_tab[hanum]); + TRACE2(("gdth_set_asc_info() ha %d\n",ha->hanum)); orig_length = length + 5; drive = -1; wb_mode = 0; @@ -157,7 +112,7 @@ static int gdth_set_asc_info(struct Scsi_Host *host, char *buffer, } if (wb_mode) { - if (!gdth_ioctl_alloc(hanum, sizeof(gdth_cpar_str), TRUE, &paddr)) + if (!gdth_ioctl_alloc(ha, sizeof(gdth_cpar_str), TRUE, &paddr)) return(-EBUSY); pcpar = (gdth_cpar_str *)ha->pscratch; memcpy( pcpar, &ha->cpar, sizeof(gdth_cpar_str) ); @@ -171,7 +126,7 @@ static int gdth_set_asc_info(struct Scsi_Host *host, char *buffer, gdth_execute(host, &gdtcmd, cmnd, 30, NULL); - gdth_ioctl_free(hanum, GDTH_SCRATCH, ha->pscratch, paddr); + gdth_ioctl_free(ha, GDTH_SCRATCH, ha->pscratch, paddr); printk("Done.\n"); return(orig_length); } @@ -180,16 +135,14 @@ static int gdth_set_asc_info(struct Scsi_Host *host, char *buffer, return(-EINVAL); } -static int gdth_get_info(char *buffer,char **start,off_t offset,int length, - struct Scsi_Host *host,int hanum,int busnum) +int gdth_show_info(struct seq_file *m, struct Scsi_Host *host) { - int size = 0,len = 0; - off_t begin = 0,pos = 0; - gdth_ha_str *ha; + gdth_ha_str *ha = shost_priv(host); + int hlen; int id, i, j, k, sec, flag; int no_mdrv = 0, drv_no, is_mirr; - ulong32 cnt; - ulong64 paddr; + u32 cnt; + u64 paddr; int rc = -ENOMEM; gdth_cmd_str *gdtcmd; @@ -214,94 +167,70 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length, memset(cmnd, 0xff, 12); memset(gdtcmd, 0, sizeof(gdth_cmd_str)); - TRACE2(("gdth_get_info() ha %d bus %d\n",hanum,busnum)); - ha = HADATA(gdth_ctr_tab[hanum]); + TRACE2(("gdth_get_info() ha %d\n",ha->hanum)); /* request is i.e. "cat /proc/scsi/gdth/0" */ /* format: %-15s\t%-10s\t%-15s\t%s */ /* driver parameters */ - size = sprintf(buffer+len,"Driver Parameters:\n"); - len += size; pos = begin + len; + seq_printf(m, "Driver Parameters:\n"); if (reserve_list[0] == 0xff) strcpy(hrec, "--"); else { - sprintf(hrec, "%d", reserve_list[0]); + hlen = sprintf(hrec, "%d", reserve_list[0]); for (i = 1; i < MAX_RES_ARGS; i++) { if (reserve_list[i] == 0xff) break; - sprintf(hrec,"%s,%d", hrec, reserve_list[i]); + hlen += snprintf(hrec + hlen , 161 - hlen, ",%d", reserve_list[i]); } } - size = sprintf(buffer+len, + seq_printf(m, " reserve_mode: \t%d \treserve_list: \t%s\n", reserve_mode, hrec); - len += size; pos = begin + len; - size = sprintf(buffer+len, + seq_printf(m, " max_ids: \t%-3d \thdr_channel: \t%d\n", max_ids, hdr_channel); - len += size; pos = begin + len; /* controller information */ - size = sprintf(buffer+len,"\nDisk Array Controller Information:\n"); - len += size; pos = begin + len; - if (virt_ctr) - sprintf(hrec, "%s (Bus %d)", ha->binfo.type_string, busnum); - else - strcpy(hrec, ha->binfo.type_string); - size = sprintf(buffer+len, + seq_printf(m,"\nDisk Array Controller Information:\n"); + seq_printf(m, " Number: \t%d \tName: \t%s\n", - hanum, hrec); - len += size; pos = begin + len; + ha->hanum, ha->binfo.type_string); + seq_printf(m, + " Driver Ver.: \t%-10s\tFirmware Ver.: \t", + GDTH_VERSION_STR); if (ha->more_proc) - sprintf(hrec, "%d.%02d.%02d-%c%03X", - (unchar)(ha->binfo.upd_fw_ver>>24), - (unchar)(ha->binfo.upd_fw_ver>>16), - (unchar)(ha->binfo.upd_fw_ver), + seq_printf(m, "%d.%02d.%02d-%c%03X\n", + (u8)(ha->binfo.upd_fw_ver>>24), + (u8)(ha->binfo.upd_fw_ver>>16), + (u8)(ha->binfo.upd_fw_ver), ha->bfeat.raid ? 'R':'N', ha->binfo.upd_revision); else - sprintf(hrec, "%d.%02d", (unchar)(ha->cpar.version>>8), - (unchar)(ha->cpar.version)); - - size = sprintf(buffer+len, - " Driver Ver.: \t%-10s\tFirmware Ver.: \t%s\n", - GDTH_VERSION_STR, hrec); - len += size; pos = begin + len; + seq_printf(m, "%d.%02d\n", (u8)(ha->cpar.version>>8), + (u8)(ha->cpar.version)); - if (ha->more_proc) { + if (ha->more_proc) /* more information: 1. about controller */ - size = sprintf(buffer+len, + seq_printf(m, " Serial No.: \t0x%8X\tCache RAM size:\t%d KB\n", ha->binfo.ser_no, ha->binfo.memsize / 1024); - len += size; pos = begin + len; - } #ifdef GDTH_DMA_STATISTICS /* controller statistics */ - size = sprintf(buffer+len,"\nController Statistics:\n"); - len += size; pos = begin + len; - size = sprintf(buffer+len, + seq_printf(m,"\nController Statistics:\n"); + seq_printf(m, " 32-bit DMA buffer:\t%lu\t64-bit DMA buffer:\t%lu\n", ha->dma32_cnt, ha->dma64_cnt); - len += size; pos = begin + len; #endif - if (pos < offset) { - len = 0; - begin = pos; - } - if (pos > offset + length) - goto stop_output; - if (ha->more_proc) { /* more information: 2. about physical devices */ - size = sprintf(buffer+len,"\nPhysical Devices:"); - len += size; pos = begin + len; + seq_printf(m, "\nPhysical Devices:"); flag = FALSE; - buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr); + buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr); if (!buf) goto stop_output; for (i = 0; i < ha->bus_cnt; ++i) { @@ -317,7 +246,7 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length, pds->bid = ha->raw[i].local_no; pds->first = 0; pds->entries = ha->raw[i].pdev_cnt; - cnt = (3*GDTH_SCRATCH/4 - 5 * sizeof(ulong32)) / + cnt = (3*GDTH_SCRATCH/4 - 5 * sizeof(u32)) / sizeof(pds->list[0]); if (pds->entries > cnt) pds->entries = cnt; @@ -344,21 +273,19 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length, strncpy(hrec+8,pdi->product,16); strncpy(hrec+24,pdi->revision,4); hrec[28] = 0; - size = sprintf(buffer+len, + seq_printf(m, "\n Chn/ID/LUN: \t%c/%02d/%d \tName: \t%s\n", 'A'+i,pdi->target_id,pdi->lun,hrec); - len += size; pos = begin + len; flag = TRUE; pdi->no_ldrive &= 0xffff; if (pdi->no_ldrive == 0xffff) strcpy(hrec,"--"); else sprintf(hrec,"%d",pdi->no_ldrive); - size = sprintf(buffer+len, + seq_printf(m, " Capacity [MB]:\t%-6d \tTo Log. Drive: \t%s\n", pdi->blkcnt/(1024*1024/pdi->blksize), hrec); - len += size; pos = begin + len; } else { pdi->devtype = 0xff; } @@ -368,11 +295,10 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length, for (k = 0; k < pds->count; ++k) { if (pds->list[k].tid == pdi->target_id && pds->list[k].lun == pdi->lun) { - size = sprintf(buffer+len, + seq_printf(m, " Retries: \t%-6d \tReassigns: \t%d\n", pds->list[k].retries, pds->list[k].reassigns); - len += size; pos = begin + len; break; } } @@ -390,33 +316,23 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length, pdef->sddc_type = 0x08; if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) { - size = sprintf(buffer+len, + seq_printf(m, " Grown Defects:\t%d\n", pdef->sddc_cnt); - len += size; pos = begin + len; } } - if (pos < offset) { - len = 0; - begin = pos; - } - if (pos > offset + length) - goto stop_output; } } - gdth_ioctl_free(hanum, GDTH_SCRATCH, buf, paddr); + gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr); - if (!flag) { - size = sprintf(buffer+len, "\n --\n"); - len += size; pos = begin + len; - } + if (!flag) + seq_printf(m, "\n --\n"); /* 3. about logical drives */ - size = sprintf(buffer+len,"\nLogical Drives:"); - len += size; pos = begin + len; + seq_printf(m,"\nLogical Drives:"); flag = FALSE; - buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr); + buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr); if (!buf) goto stop_output; for (i = 0; i < MAX_LDRIVES; ++i) { @@ -451,10 +367,9 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length, } if (drv_no == i) { - size = sprintf(buffer+len, + seq_printf(m, "\n Number: \t%-2d \tStatus: \t%s\n", drv_no, hrec); - len += size; pos = begin + len; flag = TRUE; no_mdrv = pcdi->cd_ldcnt; if (no_mdrv > 1 || pcdi->ld_slave != -1) { @@ -469,60 +384,40 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length, } else { strcpy(hrec, "???"); } - size = sprintf(buffer+len, + seq_printf(m, " Capacity [MB]:\t%-6d \tType: \t%s\n", pcdi->ld_blkcnt/(1024*1024/pcdi->ld_blksize), hrec); - len += size; pos = begin + len; } else { - size = sprintf(buffer+len, + seq_printf(m, " Slave Number: \t%-2d \tStatus: \t%s\n", drv_no & 0x7fff, hrec); - len += size; pos = begin + len; } drv_no = pcdi->ld_slave; - if (pos < offset) { - len = 0; - begin = pos; - } - if (pos > offset + length) - goto stop_output; } while (drv_no != -1); - if (is_mirr) { - size = sprintf(buffer+len, + if (is_mirr) + seq_printf(m, " Missing Drv.: \t%-2d \tInvalid Drv.: \t%d\n", no_mdrv - j - k, k); - len += size; pos = begin + len; - } - + if (!ha->hdr[i].is_arraydrv) strcpy(hrec, "--"); else sprintf(hrec, "%d", ha->hdr[i].master_no); - size = sprintf(buffer+len, + seq_printf(m, " To Array Drv.:\t%s\n", hrec); - len += size; pos = begin + len; - if (pos < offset) { - len = 0; - begin = pos; - } - if (pos > offset + length) - goto stop_output; } - gdth_ioctl_free(hanum, GDTH_SCRATCH, buf, paddr); + gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr); - if (!flag) { - size = sprintf(buffer+len, "\n --\n"); - len += size; pos = begin + len; - } + if (!flag) + seq_printf(m, "\n --\n"); /* 4. about array drives */ - size = sprintf(buffer+len,"\nArray Drives:"); - len += size; pos = begin + len; + seq_printf(m,"\nArray Drives:"); flag = FALSE; - buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr); + buf = gdth_ioctl_alloc(ha, GDTH_SCRATCH, FALSE, &paddr); if (!buf) goto stop_output; for (i = 0; i < MAX_LDRIVES; ++i) { @@ -554,10 +449,9 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length, strcat(hrec, "/expand"); else if (pai->ai_ext_state & 0x1) strcat(hrec, "/patch"); - size = sprintf(buffer+len, + seq_printf(m, "\n Number: \t%-2d \tStatus: \t%s\n", i,hrec); - len += size; pos = begin + len; flag = TRUE; if (pai->ai_type == 0) @@ -568,32 +462,22 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length, strcpy(hrec, "RAID-5"); else strcpy(hrec, "RAID-10"); - size = sprintf(buffer+len, + seq_printf(m, " Capacity [MB]:\t%-6d \tType: \t%s\n", pai->ai_size/(1024*1024/pai->ai_secsize), hrec); - len += size; pos = begin + len; - if (pos < offset) { - len = 0; - begin = pos; - } - if (pos > offset + length) - goto stop_output; } } - gdth_ioctl_free(hanum, GDTH_SCRATCH, buf, paddr); + gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr); - if (!flag) { - size = sprintf(buffer+len, "\n --\n"); - len += size; pos = begin + len; - } + if (!flag) + seq_printf(m, "\n --\n"); /* 5. about host drives */ - size = sprintf(buffer+len,"\nHost Drives:"); - len += size; pos = begin + len; + seq_printf(m,"\nHost Drives:"); flag = FALSE; - buf = gdth_ioctl_alloc(hanum, sizeof(gdth_hget_str), FALSE, &paddr); + buf = gdth_ioctl_alloc(ha, sizeof(gdth_hget_str), FALSE, &paddr); if (!buf) goto stop_output; for (i = 0; i < MAX_LDRIVES; ++i) { @@ -626,90 +510,62 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length, } } } - gdth_ioctl_free(hanum, sizeof(gdth_hget_str), buf, paddr); + gdth_ioctl_free(ha, sizeof(gdth_hget_str), buf, paddr); for (i = 0; i < MAX_HDRIVES; ++i) { if (!(ha->hdr[i].present)) continue; - size = sprintf(buffer+len, + seq_printf(m, "\n Number: \t%-2d \tArr/Log. Drive:\t%d\n", i, ha->hdr[i].ldr_no); - len += size; pos = begin + len; flag = TRUE; - size = sprintf(buffer+len, + seq_printf(m, " Capacity [MB]:\t%-6d \tStart Sector: \t%d\n", - (ulong32)(ha->hdr[i].size/2048), ha->hdr[i].start_sec); - len += size; pos = begin + len; - if (pos < offset) { - len = 0; - begin = pos; - } - if (pos > offset + length) - goto stop_output; + (u32)(ha->hdr[i].size/2048), ha->hdr[i].start_sec); } - if (!flag) { - size = sprintf(buffer+len, "\n --\n"); - len += size; pos = begin + len; - } + if (!flag) + seq_printf(m, "\n --\n"); } /* controller events */ - size = sprintf(buffer+len,"\nController Events:\n"); - len += size; pos = begin + len; + seq_printf(m,"\nController Events:\n"); for (id = -1;;) { id = gdth_read_event(ha, id, estr); if (estr->event_source == 0) break; - if (estr->event_data.eu.driver.ionode == hanum && + if (estr->event_data.eu.driver.ionode == ha->hanum && estr->event_source == ES_ASYNC) { gdth_log_event(&estr->event_data, hrec); do_gettimeofday(&tv); sec = (int)(tv.tv_sec - estr->first_stamp); if (sec < 0) sec = 0; - size = sprintf(buffer+len," date- %02d:%02d:%02d\t%s\n", + seq_printf(m," date- %02d:%02d:%02d\t%s\n", sec/3600, sec%3600/60, sec%60, hrec); - len += size; pos = begin + len; - if (pos < offset) { - len = 0; - begin = pos; - } - if (pos > offset + length) - goto stop_output; } if (id == -1) break; } - stop_output: - *start = buffer +(offset-begin); - len -= (offset-begin); - if (len > length) - len = length; - TRACE2(("get_info() len %d pos %d begin %d offset %d length %d size %d\n", - len,(int)pos,(int)begin,(int)offset,length,size)); - rc = len; - + rc = 0; free_fail: kfree(gdtcmd); kfree(estr); return rc; } -static char *gdth_ioctl_alloc(int hanum, int size, int scratch, - ulong64 *paddr) +static char *gdth_ioctl_alloc(gdth_ha_str *ha, int size, int scratch, + u64 *paddr) { - gdth_ha_str *ha; - ulong flags; + unsigned long flags; char *ret_val; if (size == 0) return NULL; - ha = HADATA(gdth_ctr_tab[hanum]); spin_lock_irqsave(&ha->smp_lock, flags); if (!ha->scratch_busy && size <= GDTH_SCRATCH) { @@ -729,36 +585,30 @@ static char *gdth_ioctl_alloc(int hanum, int size, int scratch, return ret_val; } -static void gdth_ioctl_free(int hanum, int size, char *buf, ulong64 paddr) +static void gdth_ioctl_free(gdth_ha_str *ha, int size, char *buf, u64 paddr) { - gdth_ha_str *ha; - ulong flags; - - ha = HADATA(gdth_ctr_tab[hanum]); - spin_lock_irqsave(&ha->smp_lock, flags); + unsigned long flags; if (buf == ha->pscratch) { + spin_lock_irqsave(&ha->smp_lock, flags); ha->scratch_busy = FALSE; + spin_unlock_irqrestore(&ha->smp_lock, flags); } else { pci_free_consistent(ha->pdev, size, buf, paddr); } - - spin_unlock_irqrestore(&ha->smp_lock, flags); } #ifdef GDTH_IOCTL_PROC -static int gdth_ioctl_check_bin(int hanum, ushort size) +static int gdth_ioctl_check_bin(gdth_ha_str *ha, u16 size) { - gdth_ha_str *ha; - ulong flags; + unsigned long flags; int ret_val; - ha = HADATA(gdth_ctr_tab[hanum]); spin_lock_irqsave(&ha->smp_lock, flags); ret_val = FALSE; if (ha->scratch_busy) { - if (((gdth_iord_str *)ha->pscratch)->size == (ulong32)size) + if (((gdth_iord_str *)ha->pscratch)->size == (u32)size) ret_val = TRUE; } spin_unlock_irqrestore(&ha->smp_lock, flags); @@ -766,100 +616,30 @@ static int gdth_ioctl_check_bin(int hanum, ushort size) } #endif -static void gdth_wait_completion(int hanum, int busnum, int id) +static void gdth_wait_completion(gdth_ha_str *ha, int busnum, int id) { - gdth_ha_str *ha; - ulong flags; + unsigned long flags; int i; Scsi_Cmnd *scp; - unchar b, t; + struct gdth_cmndinfo *cmndinfo; + u8 b, t; - ha = HADATA(gdth_ctr_tab[hanum]); spin_lock_irqsave(&ha->smp_lock, flags); for (i = 0; i < GDTH_MAXCMDS; ++i) { scp = ha->cmd_tab[i].cmnd; + cmndinfo = gdth_cmnd_priv(scp); - b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel; + b = scp->device->channel; t = scp->device->id; - if (!SPECIAL_SCP(scp) && t == (unchar)id && - b == (unchar)busnum) { - scp->SCp.have_data_in = 0; + if (!SPECIAL_SCP(scp) && t == (u8)id && + b == (u8)busnum) { + cmndinfo->wait_for_completion = 0; spin_unlock_irqrestore(&ha->smp_lock, flags); - while (!scp->SCp.have_data_in) + while (!cmndinfo->wait_for_completion) barrier(); spin_lock_irqsave(&ha->smp_lock, flags); } } spin_unlock_irqrestore(&ha->smp_lock, flags); } - -static void gdth_stop_timeout(int hanum, int busnum, int id) -{ - gdth_ha_str *ha; - ulong flags; - Scsi_Cmnd *scp; - unchar b, t; - - ha = HADATA(gdth_ctr_tab[hanum]); - spin_lock_irqsave(&ha->smp_lock, flags); - - for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) { - if (scp->done != gdth_scsi_done) { - b = virt_ctr ? - NUMDATA(scp->device->host)->busnum : scp->device->channel; - t = scp->device->id; - if (t == (unchar)id && b == (unchar)busnum) { - TRACE2(("gdth_stop_timeout(): update_timeout()\n")); - scp->SCp.buffers_residual = gdth_update_timeout(hanum, scp, 0); - } - } - } - spin_unlock_irqrestore(&ha->smp_lock, flags); -} - -static void gdth_start_timeout(int hanum, int busnum, int id) -{ - gdth_ha_str *ha; - ulong flags; - Scsi_Cmnd *scp; - unchar b, t; - - ha = HADATA(gdth_ctr_tab[hanum]); - spin_lock_irqsave(&ha->smp_lock, flags); - - for (scp = ha->req_first; scp; scp = (Scsi_Cmnd *)scp->SCp.ptr) { - if (scp->done != gdth_scsi_done) { - b = virt_ctr ? - NUMDATA(scp->device->host)->busnum : scp->device->channel; - t = scp->device->id; - if (t == (unchar)id && b == (unchar)busnum) { - TRACE2(("gdth_start_timeout(): update_timeout()\n")); - gdth_update_timeout(hanum, scp, scp->SCp.buffers_residual); - } - } - } - spin_unlock_irqrestore(&ha->smp_lock, flags); -} - -static int gdth_update_timeout(int hanum, Scsi_Cmnd *scp, int timeout) -{ - int oldto; - - oldto = scp->timeout_per_command; - scp->timeout_per_command = timeout; - - if (timeout == 0) { - del_timer(&scp->eh_timeout); - scp->eh_timeout.data = (unsigned long) NULL; - scp->eh_timeout.expires = 0; - } else { - if (scp->eh_timeout.data != (unsigned long) NULL) - del_timer(&scp->eh_timeout); - scp->eh_timeout.data = (unsigned long) scp; - scp->eh_timeout.expires = jiffies + timeout; - add_timer(&scp->eh_timeout); - } - - return oldto; -} |