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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-31 00:52:08 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-04-09 14:13:16 -0400
commit3e0552eebdf621504eaec7786613ef94a63463a0 (patch)
tree52c1fbe8b55488d462ab98356327de9b9f86e9c0 /drivers/scsi/gdth_proc.c
parent408bb25ba50c6abaf516d844fd62556ec89a0af2 (diff)
gdth: switch to ->show_info()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/scsi/gdth_proc.c')
-rw-r--r--drivers/scsi/gdth_proc.c211
1 files changed, 48 insertions, 163 deletions
diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c
index 652754319a4..9fb63268486 100644
--- a/drivers/scsi/gdth_proc.c
+++ b/drivers/scsi/gdth_proc.c
@@ -5,23 +5,9 @@
#include <linux/completion.h>
#include <linux/slab.h>
-int gdth_proc_info(struct Scsi_Host *host, char *buffer,char **start,off_t offset,int length,
- int inout)
+int gdth_set_info(struct Scsi_Host *host, char *buffer, int length)
{
gdth_ha_str *ha = shost_priv(host);
-
- TRACE2(("gdth_proc_info() length %d offs %d inout %d\n",
- length,(int)offset,inout));
-
- if (inout)
- return(gdth_set_info(buffer,length,host,ha));
- else
- return(gdth_get_info(buffer,start,offset,length,host,ha));
-}
-
-static int gdth_set_info(char *buffer,int length,struct Scsi_Host *host,
- gdth_ha_str *ha)
-{
int ret_val = -EINVAL;
TRACE2(("gdth_set_info() ha %d\n",ha->hanum,));
@@ -149,12 +135,10 @@ 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, gdth_ha_str *ha)
+int gdth_show_info(struct seq_file *m, struct Scsi_Host *host)
{
- int size = 0,len = 0;
+ gdth_ha_str *ha = shost_priv(host);
int hlen;
- off_t begin = 0,pos = 0;
int id, i, j, k, sec, flag;
int no_mdrv = 0, drv_no, is_mirr;
u32 cnt;
@@ -189,8 +173,7 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
/* 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 {
@@ -201,69 +184,50 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
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;
- 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",
- ha->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",
+ 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", (u8)(ha->cpar.version>>8),
+ seq_printf(m, "%d.%02d\n", (u8)(ha->cpar.version>>8),
(u8)(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) {
+ 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(ha, GDTH_SCRATCH, FALSE, &paddr);
@@ -309,21 +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;
}
@@ -333,11 +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;
}
}
@@ -355,32 +316,20 @@ 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) {
- gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
- goto stop_output;
- }
}
}
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(ha, GDTH_SCRATCH, FALSE, &paddr);
@@ -418,10 +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) {
@@ -436,61 +384,37 @@ 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) {
- gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
- 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) {
- gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
- goto stop_output;
- }
}
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(ha, GDTH_SCRATCH, FALSE, &paddr);
@@ -525,10 +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)
@@ -539,31 +462,19 @@ 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) {
- gdth_ioctl_free(ha, GDTH_SCRATCH, buf, paddr);
- goto stop_output;
- }
}
}
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(ha, sizeof(gdth_hget_str), FALSE, &paddr);
@@ -605,33 +516,22 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
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",
(u32)(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;
- }
+ 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);
@@ -643,29 +543,14 @@ static int gdth_get_info(char *buffer,char **start,off_t offset,int length,
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);