[PATCH v2 04/15] scsi: ch: Convert to scsi_execute_args

Mike Christie
2022-12-09T06:15:55Z

scsi_execute_req is going to be removed. Convert ch to scsi_execute_args.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
---
drivers/scsi/ch.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index 7ab29eaec6f3..58e7d5ee1a62 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -184,20 +184,21 @@ static int ch_find_errno(struct scsi_sense_hdr *sshdr)

static int
ch_do_scsi(scsi_changer *ch, unsigned char *cmd, int cmd_len,
- void *buffer, unsigned buflength,
- enum dma_data_direction direction)
+ void *buffer, unsigned int buflength, enum req_op op)
{
int errno, retries = 0, timeout, result;
struct scsi_sense_hdr sshdr;
+ const struct scsi_exec_args exec_args = {
+ .sshdr = &sshdr,
+ };

timeout = (cmd[0] == INITIALIZE_ELEMENT_STATUS)
? timeout_init : timeout_move;

retry:
errno = 0;
- result = scsi_execute_req(ch->device, cmd, direction, buffer,
- buflength, &sshdr, timeout * HZ,
- MAX_RETRIES, NULL);
+ result = scsi_execute_args(ch->device, cmd, op, buffer, buflength,
+ timeout * HZ, MAX_RETRIES, exec_args);
if (result < 0)
return result;
if (scsi_sense_valid(&sshdr)) {
@@ -254,7 +255,7 @@ ch_read_element_status(scsi_changer *ch, u_int elem, char *data)
cmd[5] = 1;
cmd[9] = 255;
if (0 == (result = ch_do_scsi(ch, cmd, 12,
- buffer, 256, DMA_FROM_DEVICE))) {
+ buffer, 256, REQ_OP_DRV_IN))) {
if (((buffer[16] << 8) | buffer[17]) != elem) {
DPRINTK("asked for element 0x%02x, got 0x%02x\n",
elem,(buffer[16] << 8) | buffer[17]);
@@ -284,7 +285,7 @@ ch_init_elem(scsi_changer *ch)
memset(cmd,0,sizeof(cmd));
cmd[0] = INITIALIZE_ELEMENT_STATUS;
cmd[1] = (ch->device->lun & 0x7) << 5;
- err = ch_do_scsi(ch, cmd, 6, NULL, 0, DMA_NONE);
+ err = ch_do_scsi(ch, cmd, 6, NULL, 0, REQ_OP_DRV_IN);
VPRINTK(KERN_INFO, "... finished\n");
return err;
}
@@ -306,10 +307,10 @@ ch_readconfig(scsi_changer *ch)
cmd[1] = (ch->device->lun & 0x7) << 5;
cmd[2] = 0x1d;
cmd[4] = 255;
- result = ch_do_scsi(ch, cmd, 10, buffer, 255, DMA_FROM_DEVICE);
+ result = ch_do_scsi(ch, cmd, 10, buffer, 255, REQ_OP_DRV_IN);
if (0 != result) {
cmd[1] |= (1<<3);
- result = ch_do_scsi(ch, cmd, 10, buffer, 255, DMA_FROM_DEVICE);
+ result = ch_do_scsi(ch, cmd, 10, buffer, 255, REQ_OP_DRV_IN);
}
if (0 == result) {
ch->firsts[CHET_MT] =
@@ -434,7 +435,7 @@ ch_position(scsi_changer *ch, u_int trans, u_int elem, int rotate)
cmd[4] = (elem >> 8) & 0xff;
cmd[5] = elem & 0xff;
cmd[8] = rotate ? 1 : 0;
- return ch_do_scsi(ch, cmd, 10, NULL, 0, DMA_NONE);
+ return ch_do_scsi(ch, cmd, 10, NULL, 0, REQ_OP_DRV_IN);
}

static int
@@ -455,7 +456,7 @@ ch_move(scsi_changer *ch, u_int trans, u_int src, u_int dest, int rotate)
cmd[6] = (dest >> 8) & 0xff;
cmd[7] = dest & 0xff;
cmd[10] = rotate ? 1 : 0;
- return ch_do_scsi(ch, cmd, 12, NULL,0, DMA_NONE);
+ return ch_do_scsi(ch, cmd, 12, NULL, 0, REQ_OP_DRV_IN);
}

static int
@@ -481,7 +482,7 @@ ch_exchange(scsi_changer *ch, u_int trans, u_int src,
cmd[9] = dest2 & 0xff;
cmd[10] = (rotate1 ? 1 : 0) | (rotate2 ? 2 : 0);

- return ch_do_scsi(ch, cmd, 12, NULL, 0, DMA_NONE);
+ return ch_do_scsi(ch, cmd, 12, NULL, 0, REQ_OP_DRV_IN);
}

static void
@@ -531,7 +532,7 @@ ch_set_voltag(scsi_changer *ch, u_int elem,
memcpy(buffer,tag,32);
ch_check_voltag(buffer);

- result = ch_do_scsi(ch, cmd, 12, buffer, 256, DMA_TO_DEVICE);
+ result = ch_do_scsi(ch, cmd, 12, buffer, 256, REQ_OP_DRV_OUT);
kfree(buffer);
return result;
}
@@ -799,8 +800,7 @@ static long ch_ioctl(struct file *file,
ch_cmd[5] = 1;
ch_cmd[9] = 255;

- result = ch_do_scsi(ch, ch_cmd, 12,
- buffer, 256, DMA_FROM_DEVICE);
+ result = ch_do_scsi(ch, ch_cmd, 12, buffer, 256, REQ_OP_DRV_IN);
if (!result) {
cge.cge_status = buffer[18];
cge.cge_flags = 0;
--
2.25.1