587 lines
21 KiB
C
587 lines
21 KiB
C
// 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 += snprintf(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);
|
|
}
|