diff options
Diffstat (limited to 'drivers/scsi/gdth_proc.c')
| -rw-r--r-- | drivers/scsi/gdth_proc.c | 586 |
1 files changed, 0 insertions, 586 deletions
diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c deleted file mode 100644 index c764312f9ba0..000000000000 --- a/drivers/scsi/gdth_proc.c +++ /dev/null @@ -1,586 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* gdth_proc.c - * $Id: gdth_proc.c,v 1.43 2006/01/11 16:15:00 achim Exp $ - */ - -#include <linux/completion.h> -#include <linux/slab.h> - -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\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, ha); - } - } - - return ret_val; -} - -static int gdth_set_asc_info(struct Scsi_Host *host, char *buffer, - int length, gdth_ha_str *ha) -{ - int orig_length, drive, wb_mode; - int i, found; - gdth_cmd_str gdtcmd; - gdth_cpar_str *pcpar; - - char cmnd[MAX_COMMAND_SIZE]; - memset(cmnd, 0xff, 12); - memset(&gdtcmd, 0, sizeof(gdth_cmd_str)); - - TRACE2(("gdth_set_asc_info() ha %d\n",ha->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; - } - - gdth_execute(host, &gdtcmd, cmnd, 30, NULL); - } - } - 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) { - unsigned long flags; - - BUILD_BUG_ON(sizeof(gdth_cpar_str) > GDTH_SCRATCH); - - spin_lock_irqsave(&ha->smp_lock, flags); - if (ha->scratch_busy) { - spin_unlock_irqrestore(&ha->smp_lock, flags); - return -EBUSY; - } - ha->scratch_busy = TRUE; - spin_unlock_irqrestore(&ha->smp_lock, flags); - - 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 = ha->scratch_phys; - 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; - - gdth_execute(host, &gdtcmd, cmnd, 30, NULL); - - spin_lock_irqsave(&ha->smp_lock, flags); - ha->scratch_busy = FALSE; - spin_unlock_irqrestore(&ha->smp_lock, flags); - - printk("Done.\n"); - return(orig_length); - } - - printk("GDT: Unknown command: %s Length: %d\n",buffer,length); - return(-EINVAL); -} - -int gdth_show_info(struct seq_file *m, struct Scsi_Host *host) -{ - gdth_ha_str *ha = shost_priv(host); - int hlen; - int id, i, j, k, sec, flag; - int no_mdrv = 0, drv_no, is_mirr; - u32 cnt; - dma_addr_t paddr; - int rc = -ENOMEM; - - gdth_cmd_str *gdtcmd; - gdth_evt_str *estr; - char hrec[277]; - - 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\n",ha->hanum)); - - - /* request is i.e. "cat /proc/scsi/gdth/0" */ - /* format: %-15s\t%-10s\t%-15s\t%s */ - /* driver parameters */ - seq_puts(m, "Driver Parameters:\n"); - if (reserve_list[0] == 0xff) - strcpy(hrec, "--"); - else { - hlen = sprintf(hrec, "%d", reserve_list[0]); - for (i = 1; i < MAX_RES_ARGS; i++) { - if (reserve_list[i] == 0xff) - break; - hlen += scnprintf(hrec + hlen, 161 - hlen, ",%d", reserve_list[i]); - } - } - seq_printf(m, - " reserve_mode: \t%d \treserve_list: \t%s\n", - reserve_mode, hrec); - seq_printf(m, - " max_ids: \t%-3d \thdr_channel: \t%d\n", - max_ids, hdr_channel); - - /* controller information */ - seq_puts(m, "\nDisk Array Controller Information:\n"); - seq_printf(m, - " Number: \t%d \tName: \t%s\n", - ha->hanum, ha->binfo.type_string); - - seq_printf(m, - " Driver Ver.: \t%-10s\tFirmware Ver.: \t", - GDTH_VERSION_STR); - if (ha->more_proc) - 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 - seq_printf(m, "%d.%02d\n", (u8)(ha->cpar.version>>8), - (u8)(ha->cpar.version)); - - if (ha->more_proc) - /* more information: 1. about controller */ - seq_printf(m, - " Serial No.: \t0x%8X\tCache RAM size:\t%d KB\n", - ha->binfo.ser_no, ha->binfo.memsize / 1024); - - if (ha->more_proc) { - size_t size = max_t(size_t, GDTH_SCRATCH, sizeof(gdth_hget_str)); - - /* more information: 2. about physical devices */ - seq_puts(m, "\nPhysical Devices:"); - flag = FALSE; - - buf = dma_alloc_coherent(&ha->pdev->dev, size, &paddr, GFP_KERNEL); - 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(u32)) / - sizeof(pds->list[0]); - if (pds->entries > cnt) - pds->entries = cnt; - - if (gdth_execute(host, gdtcmd, cmnd, 30, NULL) != S_OK) - 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 (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) { - strncpy(hrec,pdi->vendor,8); - strncpy(hrec+8,pdi->product,16); - strncpy(hrec+24,pdi->revision,4); - hrec[28] = 0; - seq_printf(m, - "\n Chn/ID/LUN: \t%c/%02d/%d \tName: \t%s\n", - 'A'+i,pdi->target_id,pdi->lun,hrec); - flag = TRUE; - pdi->no_ldrive &= 0xffff; - if (pdi->no_ldrive == 0xffff) - strcpy(hrec,"--"); - else - sprintf(hrec,"%d",pdi->no_ldrive); - seq_printf(m, - " Capacity [MB]:\t%-6d \tTo Log. Drive: \t%s\n", - pdi->blkcnt/(1024*1024/pdi->blksize), - hrec); - } 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) { - seq_printf(m, - " Retries: \t%-6d \tReassigns: \t%d\n", - pds->list[k].retries, - pds->list[k].reassigns); - 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 (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) { - seq_printf(m, - " Grown Defects:\t%d\n", - pdef->sddc_cnt); - } - } - } - } - - if (!flag) - seq_puts(m, "\n --\n"); - - /* 3. about logical drives */ - seq_puts(m, "\nLogical Drives:"); - flag = FALSE; - - 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 (gdth_execute(host, gdtcmd, cmnd, 30, NULL) != S_OK) - 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) { - seq_printf(m, - "\n Number: \t%-2d \tStatus: \t%s\n", - drv_no, hrec); - 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, "???"); - } - seq_printf(m, - " Capacity [MB]:\t%-6d \tType: \t%s\n", - pcdi->ld_blkcnt/(1024*1024/pcdi->ld_blksize), - hrec); - } else { - seq_printf(m, - " Slave Number: \t%-2d \tStatus: \t%s\n", - drv_no & 0x7fff, hrec); - } - drv_no = pcdi->ld_slave; - } while (drv_no != -1); - - if (is_mirr) - seq_printf(m, - " Missing Drv.: \t%-2d \tInvalid Drv.: \t%d\n", - no_mdrv - j - k, k); - - if (!ha->hdr[i].is_arraydrv) - strcpy(hrec, "--"); - else - sprintf(hrec, "%d", ha->hdr[i].master_no); - seq_printf(m, - " To Array Drv.:\t%s\n", hrec); - } - - if (!flag) - seq_puts(m, "\n --\n"); - - /* 4. about array drives */ - seq_puts(m, "\nArray Drives:"); - flag = FALSE; - - 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 (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) { - 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"); - seq_printf(m, - "\n Number: \t%-2d \tStatus: \t%s\n", - i,hrec); - 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"); - seq_printf(m, - " Capacity [MB]:\t%-6d \tType: \t%s\n", - pai->ai_size/(1024*1024/pai->ai_secsize), - hrec); - } - } - - if (!flag) - seq_puts(m, "\n --\n"); - - /* 5. about host drives */ - seq_puts(m, "\nHost Drives:"); - flag = FALSE; - - 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 (gdth_execute(host, gdtcmd, cmnd, 30, NULL) == S_OK) { - 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; - } - } - } - dma_free_coherent(&ha->pdev->dev, size, buf, paddr); - - for (i = 0; i < MAX_HDRIVES; ++i) { - if (!(ha->hdr[i].present)) - continue; - - seq_printf(m, - "\n Number: \t%-2d \tArr/Log. Drive:\t%d\n", - i, ha->hdr[i].ldr_no); - flag = TRUE; - - seq_printf(m, - " Capacity [MB]:\t%-6d \tStart Sector: \t%d\n", - (u32)(ha->hdr[i].size/2048), ha->hdr[i].start_sec); - } - - if (!flag) - seq_puts(m, "\n --\n"); - } - - /* controller events */ - seq_puts(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 == ha->hanum && - estr->event_source == ES_ASYNC) { - gdth_log_event(&estr->event_data, hrec); - - /* - * Elapsed seconds subtraction with unsigned operands is - * safe from wrap around in year 2106. Executes as: - * operand a + (2's complement operand b) + 1 - */ - - sec = (int)((u32)ktime_get_real_seconds() - estr->first_stamp); - if (sec < 0) sec = 0; - seq_printf(m," date- %02d:%02d:%02d\t%s\n", - sec/3600, sec%3600/60, sec%60, hrec); - } - if (id == -1) - break; - } -stop_output: - rc = 0; -free_fail: - kfree(gdtcmd); - kfree(estr); - return rc; -} - -static void gdth_wait_completion(gdth_ha_str *ha, int busnum, int id) -{ - unsigned long flags; - int i; - struct scsi_cmnd *scp; - struct gdth_cmndinfo *cmndinfo; - u8 b, t; - - 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 = scp->device->channel; - t = scp->device->id; - if (!SPECIAL_SCP(scp) && t == (u8)id && - b == (u8)busnum) { - cmndinfo->wait_for_completion = 0; - spin_unlock_irqrestore(&ha->smp_lock, flags); - while (!cmndinfo->wait_for_completion) - barrier(); - spin_lock_irqsave(&ha->smp_lock, flags); - } - } - spin_unlock_irqrestore(&ha->smp_lock, flags); -} |