diff options
Diffstat (limited to 'drivers/scsi/gdth_proc.c')
| -rw-r--r-- | drivers/scsi/gdth_proc.c | 1030 |
1 files changed, 1030 insertions, 0 deletions
diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c new file mode 100644 index 000000000000..1bd02f8d1e6a --- /dev/null +++ b/drivers/scsi/gdth_proc.c @@ -0,0 +1,1030 @@ +/* gdth_proc.c + * $Id: gdth_proc.c,v 1.42 2004/03/05 15:50:20 achim Exp $ + */ + +#include <linux/completion.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 ret_val = -EINVAL; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + Scsi_Request *scp; + Scsi_Device *sdev; +#else + Scsi_Cmnd *scp; + Scsi_Device *sdev; +#endif + TRACE2(("gdth_set_info() ha %d bus %d\n",hanum,busnum)); + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + sdev = scsi_get_host_dev(host); + scp = scsi_allocate_request(sdev, GFP_KERNEL); + if (!scp) + return -ENOMEM; + scp->sr_cmd_len = 12; + scp->sr_use_sg = 0; +#else + sdev = scsi_get_host_dev(host); + scp = scsi_allocate_device(sdev, 1, FALSE); + if (!scp) + return -ENOMEM; + scp->cmd_len = 12; + scp->use_sg = 0; +#endif + + if (length >= 4) { + if (strncmp(buffer,"gdth",4) == 0) { + buffer += 5; + length -= 5; + ret_val = gdth_set_asc_info( buffer, length, hanum, scp ); + } + } +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + scsi_release_request(scp); + scsi_free_host_dev(sdev); +#else + scsi_release_command(scp); + scsi_free_host_dev(sdev); +#endif + return ret_val; +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) +static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Request *scp) +#else +static int gdth_set_asc_info(char *buffer,int length,int hanum,Scsi_Cmnd *scp) +#endif +{ + int orig_length, drive, wb_mode; + int i, found; + gdth_ha_str *ha; + gdth_cmd_str gdtcmd; + gdth_cpar_str *pcpar; + ulong64 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]); + orig_length = length + 5; + drive = -1; + wb_mode = 0; + found = FALSE; + + if (length >= 5 && strncmp(buffer,"flush",5)==0) { + buffer += 6; + length -= 6; + if (length && *buffer>='0' && *buffer<='9') { + drive = (int)(*buffer-'0'); + ++buffer; --length; + if (length && *buffer>='0' && *buffer<='9') { + drive = drive*10 + (int)(*buffer-'0'); + ++buffer; --length; + } + printk("GDT: Flushing host drive %d .. ",drive); + } else { + printk("GDT: Flushing all host drives .. "); + } + for (i = 0; i < MAX_HDRIVES; ++i) { + if (ha->hdr[i].present) { + if (drive != -1 && i != drive) + continue; + found = TRUE; + gdtcmd.Service = CACHESERVICE; + gdtcmd.OpCode = GDT_FLUSH; + if (ha->cache_feat & GDT_64BIT) { + gdtcmd.u.cache64.DeviceNo = i; + gdtcmd.u.cache64.BlockNo = 1; + } else { + gdtcmd.u.cache.DeviceNo = i; + gdtcmd.u.cache.BlockNo = 1; + } +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + gdth_do_req(scp, &gdtcmd, cmnd, 30); +#else + gdth_do_cmd(scp, &gdtcmd, cmnd, 30); +#endif + } + } + if (!found) + printk("\nNo host drive found !\n"); + else + printk("Done.\n"); + return(orig_length); + } + + if (length >= 7 && strncmp(buffer,"wbp_off",7)==0) { + buffer += 8; + length -= 8; + printk("GDT: Disabling write back permanently .. "); + wb_mode = 1; + } else if (length >= 6 && strncmp(buffer,"wbp_on",6)==0) { + buffer += 7; + length -= 7; + printk("GDT: Enabling write back permanently .. "); + wb_mode = 2; + } else if (length >= 6 && strncmp(buffer,"wb_off",6)==0) { + buffer += 7; + length -= 7; + printk("GDT: Disabling write back commands .. "); + if (ha->cache_feat & GDT_WR_THROUGH) { + gdth_write_through = TRUE; + printk("Done.\n"); + } else { + printk("Not supported !\n"); + } + return(orig_length); + } else if (length >= 5 && strncmp(buffer,"wb_on",5)==0) { + buffer += 6; + length -= 6; + printk("GDT: Enabling write back commands .. "); + gdth_write_through = FALSE; + printk("Done.\n"); + return(orig_length); + } + + if (wb_mode) { + if (!gdth_ioctl_alloc(hanum, sizeof(gdth_cpar_str), TRUE, &paddr)) + return(-EBUSY); + pcpar = (gdth_cpar_str *)ha->pscratch; + memcpy( pcpar, &ha->cpar, sizeof(gdth_cpar_str) ); + gdtcmd.Service = CACHESERVICE; + gdtcmd.OpCode = GDT_IOCTL; + gdtcmd.u.ioctl.p_param = paddr; + gdtcmd.u.ioctl.param_size = sizeof(gdth_cpar_str); + gdtcmd.u.ioctl.subfunc = CACHE_CONFIG; + gdtcmd.u.ioctl.channel = INVALID_CHANNEL; + pcpar->write_back = wb_mode==1 ? 0:1; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + gdth_do_req(scp, &gdtcmd, cmnd, 30); +#else + gdth_do_cmd(scp, &gdtcmd, cmnd, 30); +#endif + gdth_ioctl_free(hanum, GDTH_SCRATCH, ha->pscratch, paddr); + printk("Done.\n"); + return(orig_length); + } + + printk("GDT: Unknown command: %s Length: %d\n",buffer,length); + 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 size = 0,len = 0; + off_t begin = 0,pos = 0; + gdth_ha_str *ha; + int id, i, j, k, sec, flag; + int no_mdrv = 0, drv_no, is_mirr; + ulong32 cnt; + ulong64 paddr; + int rc = -ENOMEM; + + gdth_cmd_str *gdtcmd; + gdth_evt_str *estr; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + Scsi_Request *scp; + Scsi_Device *sdev; +#else + Scsi_Cmnd *scp; + Scsi_Device *sdev; +#endif + char hrec[161]; + struct timeval tv; + + char *buf; + gdth_dskstat_str *pds; + gdth_diskinfo_str *pdi; + gdth_arrayinf_str *pai; + gdth_defcnt_str *pdef; + gdth_cdrinfo_str *pcdi; + gdth_hget_str *phg; + char cmnd[MAX_COMMAND_SIZE]; + + gdtcmd = kmalloc(sizeof(*gdtcmd), GFP_KERNEL); + estr = kmalloc(sizeof(*estr), GFP_KERNEL); + if (!gdtcmd || !estr) + goto free_fail; + + 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]); + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + sdev = scsi_get_host_dev(host); + scp = scsi_allocate_request(sdev, GFP_KERNEL); + if (!scp) + goto free_fail; + scp->sr_cmd_len = 12; + scp->sr_use_sg = 0; +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) + sdev = scsi_get_host_dev(host); + scp = scsi_allocate_device(sdev, 1, FALSE); + if (!scp) + goto free_fail; + scp->cmd_len = 12; + scp->use_sg = 0; +#else + memset(&sdev,0,sizeof(Scsi_Device)); + memset(&scp, 0,sizeof(Scsi_Cmnd)); + sdev.host = scp.host = host; + sdev.id = scp.target = sdev.host->this_id; + scp.device = &sdev; +#endif + + + /* 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; + if (reserve_list[0] == 0xff) + strcpy(hrec, "--"); + else { + 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]); + } + } + size = sprintf(buffer+len, + " reserve_mode: \t%d \treserve_list: \t%s\n", + reserve_mode, hrec); + len += size; pos = begin + len; + size = sprintf(buffer+len, + " 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, + " Number: \t%d \tName: \t%s\n", + hanum, hrec); + len += size; pos = begin + len; + + 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), + 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; + + if (ha->more_proc) { + /* more information: 1. about controller */ + size = sprintf(buffer+len, + " 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, + " 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; + flag = FALSE; + + buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr); + if (!buf) + goto stop_output; + for (i = 0; i < ha->bus_cnt; ++i) { + /* 2.a statistics (and retries/reassigns) */ + TRACE2(("pdr_statistics() chn %d\n",i)); + pds = (gdth_dskstat_str *)(buf + GDTH_SCRATCH/4); + gdtcmd->Service = CACHESERVICE; + gdtcmd->OpCode = GDT_IOCTL; + gdtcmd->u.ioctl.p_param = paddr + GDTH_SCRATCH/4; + gdtcmd->u.ioctl.param_size = 3*GDTH_SCRATCH/4; + gdtcmd->u.ioctl.subfunc = DSK_STATISTICS | L_CTRL_PATTERN; + gdtcmd->u.ioctl.channel = ha->raw[i].address | INVALID_CHANNEL; + 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)) / + sizeof(pds->list[0]); + if (pds->entries > cnt) + pds->entries = cnt; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + gdth_do_req(scp, gdtcmd, cmnd, 30); + if (scp->sr_command->SCp.Status != S_OK) +#else + gdth_do_cmd(scp, gdtcmd, cmnd, 30); + if (scp->SCp.Status != S_OK) +#endif + { + pds->count = 0; + } + + /* other IOCTLs must fit into area GDTH_SCRATCH/4 */ + for (j = 0; j < ha->raw[i].pdev_cnt; ++j) { + /* 2.b drive info */ + TRACE2(("scsi_drv_info() chn %d dev %d\n", + i, ha->raw[i].id_list[j])); + pdi = (gdth_diskinfo_str *)buf; + gdtcmd->Service = CACHESERVICE; + gdtcmd->OpCode = GDT_IOCTL; + gdtcmd->u.ioctl.p_param = paddr; + gdtcmd->u.ioctl.param_size = sizeof(gdth_diskinfo_str); + gdtcmd->u.ioctl.subfunc = SCSI_DR_INFO | L_CTRL_PATTERN; + gdtcmd->u.ioctl.channel = + ha->raw[i].address | ha->raw[i].id_list[j]; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + gdth_do_req(scp, gdtcmd, cmnd, 30); + if (scp->sr_command->SCp.Status == S_OK) +#else + gdth_do_cmd(scp, gdtcmd, cmnd, 30); + if (scp->SCp.Status == S_OK) +#endif + { + strncpy(hrec,pdi->vendor,8); + strncpy(hrec+8,pdi->product,16); + strncpy(hrec+24,pdi->revision,4); + hrec[28] = 0; + size = sprintf(buffer+len, + "\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, + " 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; + } + + if (pdi->devtype == 0) { + /* search retries/reassigns */ + 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, + " Retries: \t%-6d \tReassigns: \t%d\n", + pds->list[k].retries, + pds->list[k].reassigns); + len += size; pos = begin + len; + break; + } + } + /* 2.c grown defects */ + TRACE2(("scsi_drv_defcnt() chn %d dev %d\n", + i, ha->raw[i].id_list[j])); + pdef = (gdth_defcnt_str *)buf; + gdtcmd->Service = CACHESERVICE; + gdtcmd->OpCode = GDT_IOCTL; + gdtcmd->u.ioctl.p_param = paddr; + gdtcmd->u.ioctl.param_size = sizeof(gdth_defcnt_str); + gdtcmd->u.ioctl.subfunc = SCSI_DEF_CNT | L_CTRL_PATTERN; + gdtcmd->u.ioctl.channel = + ha->raw[i].address | ha->raw[i].id_list[j]; + pdef->sddc_type = 0x08; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + gdth_do_req(scp, gdtcmd, cmnd, 30); + if (scp->sr_command->SCp.Status == S_OK) +#else + gdth_do_cmd(scp, gdtcmd, cmnd, 30); + if (scp->SCp.Status == S_OK) +#endif + { + size = sprintf(buffer+len, + " 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); + + if (!flag) { + size = sprintf(buffer+len, "\n --\n"); + len += size; pos = begin + len; + } + + /* 3. about logical drives */ + size = sprintf(buffer+len,"\nLogical Drives:"); + len += size; pos = begin + len; + flag = FALSE; + + buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr); + if (!buf) + goto stop_output; + for (i = 0; i < MAX_LDRIVES; ++i) { + if (!ha->hdr[i].is_logdrv) + continue; + drv_no = i; + j = k = 0; + is_mirr = FALSE; + do { + /* 3.a log. drive info */ + TRACE2(("cache_drv_info() drive no %d\n",drv_no)); + pcdi = (gdth_cdrinfo_str *)buf; + gdtcmd->Service = CACHESERVICE; + gdtcmd->OpCode = GDT_IOCTL; + gdtcmd->u.ioctl.p_param = paddr; + gdtcmd->u.ioctl.param_size = sizeof(gdth_cdrinfo_str); + gdtcmd->u.ioctl.subfunc = CACHE_DRV_INFO; + gdtcmd->u.ioctl.channel = drv_no; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + gdth_do_req(scp, gdtcmd, cmnd, 30); + if (scp->sr_command->SCp.Status != S_OK) +#else + gdth_do_cmd(scp, gdtcmd, cmnd, 30); + if (scp->SCp.Status != S_OK) +#endif + { + break; + } + pcdi->ld_dtype >>= 16; + j++; + if (pcdi->ld_dtype > 2) { + strcpy(hrec, "missing"); + } else if (pcdi->ld_error & 1) { + strcpy(hrec, "fault"); + } else if (pcdi->ld_error & 2) { + strcpy(hrec, "invalid"); + k++; j--; + } else { + strcpy(hrec, "ok"); + } + + if (drv_no == i) { + size = sprintf(buffer+len, + "\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) { + is_mirr = TRUE; + strcpy(hrec, "RAID-1"); + } else if (pcdi->ld_dtype == 0) { + strcpy(hrec, "Disk"); + } else if (pcdi->ld_dtype == 1) { + strcpy(hrec, "RAID-0"); + } else if (pcdi->ld_dtype == 2) { + strcpy(hrec, "Chain"); + } else { + strcpy(hrec, "???"); + } + size = sprintf(buffer+len, + " 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, + " 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, + " 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, + " 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); + + if (!flag) { + size = sprintf(buffer+len, "\n --\n"); + len += size; pos = begin + len; + } + + /* 4. about array drives */ + size = sprintf(buffer+len,"\nArray Drives:"); + len += size; pos = begin + len; + flag = FALSE; + + buf = gdth_ioctl_alloc(hanum, GDTH_SCRATCH, FALSE, &paddr); + if (!buf) + goto stop_output; + for (i = 0; i < MAX_LDRIVES; ++i) { + if (!(ha->hdr[i].is_arraydrv && ha->hdr[i].is_master)) + continue; + /* 4.a array drive info */ + TRACE2(("array_info() drive no %d\n",i)); + pai = (gdth_arrayinf_str *)buf; + gdtcmd->Service = CACHESERVICE; + gdtcmd->OpCode = GDT_IOCTL; + gdtcmd->u.ioctl.p_param = paddr; + gdtcmd->u.ioctl.param_size = sizeof(gdth_arrayinf_str); + gdtcmd->u.ioctl.subfunc = ARRAY_INFO | LA_CTRL_PATTERN; + gdtcmd->u.ioctl.channel = i; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + gdth_do_req(scp, gdtcmd, cmnd, 30); + if (scp->sr_command->SCp.Status == S_OK) +#else + gdth_do_cmd(scp, gdtcmd, cmnd, 30); + if (scp->SCp.Status == S_OK) +#endif + { + if (pai->ai_state == 0) + strcpy(hrec, "idle"); + else if (pai->ai_state == 2) + strcpy(hrec, "build"); + else if (pai->ai_state == 4) + strcpy(hrec, "ready"); + else if (pai->ai_state == 6) + strcpy(hrec, "fail"); + else if (pai->ai_state == 8 || pai->ai_state == 10) + strcpy(hrec, "rebuild"); + else + strcpy(hrec, "error"); + if (pai->ai_ext_state & 0x10) + strcat(hrec, "/expand"); + else if (pai->ai_ext_state & 0x1) + strcat(hrec, "/patch"); + size = sprintf(buffer+len, + "\n Number: \t%-2d \tStatus: \t%s\n", + i,hrec); + len += size; pos = begin + len; + flag = TRUE; + + if (pai->ai_type == 0) + strcpy(hrec, "RAID-0"); + else if (pai->ai_type == 4) + strcpy(hrec, "RAID-4"); + else if (pai->ai_type == 5) + strcpy(hrec, "RAID-5"); + else + strcpy(hrec, "RAID-10"); + size = sprintf(buffer+len, + " 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); + + if (!flag) { + size = sprintf(buffer+len, "\n --\n"); + len += size; pos = begin + len; + } + + /* 5. about host drives */ + size = sprintf(buffer+len,"\nHost Drives:"); + len += size; pos = begin + len; + flag = FALSE; + + buf = gdth_ioctl_alloc(hanum, sizeof(gdth_hget_str), FALSE, &paddr); + if (!buf) + goto stop_output; + for (i = 0; i < MAX_LDRIVES; ++i) { + if (!ha->hdr[i].is_logdrv || + (ha->hdr[i].is_arraydrv && !ha->hdr[i].is_master)) + continue; + /* 5.a get host drive list */ + TRACE2(("host_get() drv_no %d\n",i)); + phg = (gdth_hget_str *)buf; + gdtcmd->Service = CACHESERVICE; + gdtcmd->OpCode = GDT_IOCTL; + gdtcmd->u.ioctl.p_param = paddr; + gdtcmd->u.ioctl.param_size = sizeof(gdth_hget_str); + gdtcmd->u.ioctl.subfunc = HOST_GET | LA_CTRL_PATTERN; + gdtcmd->u.ioctl.channel = i; + phg->entries = MAX_HDRIVES; + phg->offset = GDTOFFSOF(gdth_hget_str, entry[0]); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + gdth_do_req(scp, gdtcmd, cmnd, 30); + if (scp->sr_command->SCp.Status != S_OK) +#else + gdth_do_cmd(scp, gdtcmd, cmnd, 30); + if (scp->SCp.Status != S_OK) +#endif + { + ha->hdr[i].ldr_no = i; + ha->hdr[i].rw_attribs = 0; + ha->hdr[i].start_sec = 0; + } else { + for (j = 0; j < phg->entries; ++j) { + k = phg->entry[j].host_drive; + if (k >= MAX_LDRIVES) + continue; + ha->hdr[k].ldr_no = phg->entry[j].log_drive; + ha->hdr[k].rw_attribs = phg->entry[j].rw_attribs; + ha->hdr[k].start_sec = phg->entry[j].start_sec; + } + } + } + gdth_ioctl_free(hanum, sizeof(gdth_hget_str), buf, paddr); + + for (i = 0; i < MAX_HDRIVES; ++i) { + if (!(ha->hdr[i].present)) + continue; + + size = sprintf(buffer+len, + "\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, + " 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; + } + + if (!flag) { + size = sprintf(buffer+len, "\n --\n"); + len += size; pos = begin + len; + } + } + + /* controller events */ + size = sprintf(buffer+len,"\nController Events:\n"); + len += size; pos = begin + len; + + for (id = -1;;) { + id = gdth_read_event(ha, id, estr); + if (estr->event_source == 0) + break; + if (estr->event_data.eu.driver.ionode == 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", + 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: +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + scsi_release_request(scp); + scsi_free_host_dev(sdev); +#else + scsi_release_command(scp); + scsi_free_host_dev(sdev); +#endif + *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; + +free_fail: + kfree(gdtcmd); + kfree(estr); + return rc; +} + + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) +static void gdth_do_req(Scsi_Request *scp, gdth_cmd_str *gdtcmd, + char *cmnd, int timeout) +{ + unsigned bufflen; + DECLARE_COMPLETION(wait); + + TRACE2(("gdth_do_req()\n")); + if (gdtcmd != NULL) { + bufflen = sizeof(gdth_cmd_str); + } else { + bufflen = 0; + } + scp->sr_request->rq_status = RQ_SCSI_BUSY; + scp->sr_request->waiting = &wait; + scsi_do_req(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1); + wait_for_completion(&wait); +} + +#else +static void gdth_do_cmd(Scsi_Cmnd *scp, gdth_cmd_str *gdtcmd, + char *cmnd, int timeout) +{ + unsigned bufflen; + DECLARE_COMPLETION(wait); + + TRACE2(("gdth_do_cmd()\n")); + if (gdtcmd != NULL) { + scp->SCp.this_residual = IOCTL_PRI; + bufflen = sizeof(gdth_cmd_str); + } else { + scp->SCp.this_residual = DEFAULT_PRI; + bufflen = 0; + } + + scp->request.rq_status = RQ_SCSI_BUSY; + scp->request.waiting = &wait; + scsi_do_cmd(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1); + wait_for_completion(&wait); +} +#endif + +void gdth_scsi_done(Scsi_Cmnd *scp) +{ + TRACE2(("gdth_scsi_done()\n")); + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) + scp->request->rq_status = RQ_SCSI_DONE; + if (scp->request->waiting != NULL) + complete(scp->request->waiting); +#else + scp->request.rq_status = RQ_SCSI_DONE; + if (scp->request.waiting != NULL) + complete(scp->request.waiting); +#endif +} + +static char *gdth_ioctl_alloc(int hanum, int size, int scratch, + ulong64 *paddr) +{ + gdth_ha_str *ha; + ulong 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) { + ha->scratch_busy = TRUE; + ret_val = ha->pscratch; + *paddr = ha->scratch_phys; + } else if (scratch) { + ret_val = NULL; + } else { + dma_addr_t dma_addr; + + ret_val = pci_alloc_consistent(ha->pdev, size, &dma_addr); + *paddr = dma_addr; + } + + spin_unlock_irqrestore(&ha->smp_lock, flags); + return ret_val; +} + +static void gdth_ioctl_free(int hanum, int size, char *buf, ulong64 paddr) +{ + gdth_ha_str *ha; + ulong flags; + + ha = HADATA(gdth_ctr_tab[hanum]); + spin_lock_irqsave(&ha->smp_lock, flags); + + if (buf == ha->pscratch) { + ha->scratch_busy = FALSE; + } 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) +{ + gdth_ha_str *ha; + ulong 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) + ret_val = TRUE; + } + spin_unlock_irqrestore(&ha->smp_lock, flags); + return ret_val; +} +#endif + +static void gdth_wait_completion(int hanum, int busnum, int id) +{ + gdth_ha_str *ha; + ulong flags; + int i; + Scsi_Cmnd *scp; + unchar 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; + + b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel; + t = scp->device->id; + if (!SPECIAL_SCP(scp) && t == (unchar)id && + b == (unchar)busnum) { + scp->SCp.have_data_in = 0; + spin_unlock_irqrestore(&ha->smp_lock, flags); + while (!scp->SCp.have_data_in) + 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) { + 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) { + 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; +} |