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path: root/drivers/scsi/aacraid/aachba.c
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Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
-rw-r--r--drivers/scsi/aacraid/aachba.c69
1 files changed, 27 insertions, 42 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index c05092fd3a9d..369fcf78f396 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -205,7 +205,7 @@ MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health"
int aac_check_reset = 1;
module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the"
+MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the"
" adapter. a value of -1 forces the reset to adapters programmed to"
" ignore it.");
@@ -379,24 +379,6 @@ int aac_get_containers(struct aac_dev *dev)
return status;
}
-static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
-{
- void *buf;
- int transfer_len;
- struct scatterlist *sg = scsi_sglist(scsicmd);
-
- buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
- transfer_len = min(sg->length, len + offset);
-
- transfer_len -= offset;
- if (buf && transfer_len > 0)
- memcpy(buf + offset, data, transfer_len);
-
- flush_kernel_dcache_page(kmap_atomic_to_page(buf - sg->offset));
- kunmap_atomic(buf - sg->offset, KM_IRQ0);
-
-}
-
static void get_container_name_callback(void *context, struct fib * fibptr)
{
struct aac_get_name_resp * get_name_reply;
@@ -419,14 +401,17 @@ static void get_container_name_callback(void *context, struct fib * fibptr)
while (*sp == ' ')
++sp;
if (*sp) {
+ struct inquiry_data inq;
char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
int count = sizeof(d);
char *dp = d;
do {
*dp++ = (*sp) ? *sp++ : ' ';
} while (--count > 0);
- aac_internal_transfer(scsicmd, d,
- offsetof(struct inquiry_data, inqd_pid), sizeof(d));
+
+ scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq));
+ memcpy(inq.inqd_pid, d, sizeof(d));
+ scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq));
}
}
@@ -811,7 +796,7 @@ static void get_container_serial_callback(void *context, struct fib * fibptr)
sp[2] = 0;
sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X",
le32_to_cpu(get_serial_reply->uid));
- aac_internal_transfer(scsicmd, sp, 0, sizeof(sp));
+ scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp));
}
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
@@ -1986,8 +1971,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
arr[4] = 0x0;
arr[5] = 0x80;
arr[1] = scsicmd->cmnd[2];
- aac_internal_transfer(scsicmd, &inq_data, 0,
- sizeof(inq_data));
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+ sizeof(inq_data));
scsicmd->result = DID_OK << 16 |
COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
} else if (scsicmd->cmnd[2] == 0x80) {
@@ -1995,8 +1980,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
arr[3] = setinqserial(dev, &arr[4],
scmd_id(scsicmd));
arr[1] = scsicmd->cmnd[2];
- aac_internal_transfer(scsicmd, &inq_data, 0,
- sizeof(inq_data));
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+ sizeof(inq_data));
return aac_get_container_serial(scsicmd);
} else {
/* vpd page not implemented */
@@ -2027,7 +2012,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
if (cid == host->this_id) {
setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types));
inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */
- aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data,
+ sizeof(inq_data));
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
return 0;
@@ -2036,7 +2022,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
return -1;
setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */
- aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
+ scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data));
return aac_get_container_name(scsicmd);
}
case SERVICE_ACTION_IN:
@@ -2047,6 +2033,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
{
u64 capacity;
char cp[13];
+ unsigned int alloc_len;
dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n"));
capacity = fsa_dev_ptr[cid].size - 1;
@@ -2063,18 +2050,16 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
cp[10] = 2;
cp[11] = 0;
cp[12] = 0;
- aac_internal_transfer(scsicmd, cp, 0,
- min_t(size_t, scsicmd->cmnd[13], sizeof(cp)));
- if (sizeof(cp) < scsicmd->cmnd[13]) {
- unsigned int len, offset = sizeof(cp);
- memset(cp, 0, offset);
- do {
- len = min_t(size_t, scsicmd->cmnd[13] - offset,
- sizeof(cp));
- aac_internal_transfer(scsicmd, cp, offset, len);
- } while ((offset += len) < scsicmd->cmnd[13]);
- }
+ alloc_len = ((scsicmd->cmnd[10] << 24)
+ + (scsicmd->cmnd[11] << 16)
+ + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]);
+
+ alloc_len = min_t(size_t, alloc_len, sizeof(cp));
+ scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len);
+ if (alloc_len < scsi_bufflen(scsicmd))
+ scsi_set_resid(scsicmd,
+ scsi_bufflen(scsicmd) - alloc_len);
/* Do not cache partition table for arrays */
scsicmd->device->removable = 1;
@@ -2104,7 +2089,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
cp[5] = 0;
cp[6] = 2;
cp[7] = 0;
- aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
+ scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp));
/* Do not cache partition table for arrays */
scsicmd->device->removable = 1;
@@ -2139,7 +2124,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
if (mode_buf_length > scsicmd->cmnd[4])
mode_buf_length = scsicmd->cmnd[4];
}
- aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
+ scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
@@ -2174,7 +2159,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
if (mode_buf_length > scsicmd->cmnd[8])
mode_buf_length = scsicmd->cmnd[8];
}
- aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length);
+ scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length);
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
scsicmd->scsi_done(scsicmd);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.