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path: root/drivers/scsi/gdth_proc.c
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Diffstat (limited to 'drivers/scsi/gdth_proc.c')
-rw-r--r--drivers/scsi/gdth_proc.c586
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);
-}
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