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authorMatthew Wilcox <matthew@wil.cx>2006-02-07 07:54:46 -0700
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-02-27 22:55:09 -0600
commit6ea3c0b2dac0d6a857d6bc010e544f4c901fff78 (patch)
tree0650d6e8b5be747eb192e558dd90e875ca7a13fb /drivers/scsi/sym53c8xx_2
parentb0dc1db15225d5801bf3105966c9ce12c5142013 (diff)
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[SCSI] Add spi_populate_*_msg functions
Introduce new helpers: - spi_populate_width_msg() - spi_populate_sync_msg() - spi_populate_ppr_msg() and use them in drivers which already enable the SPI transport. Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/sym53c8xx_2')
-rw-r--r--drivers/scsi/sym53c8xx_2/sym_hipd.c53
1 files changed, 12 insertions, 41 deletions
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c
index f4854c33f48d..620b4726fbd9 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.c
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c
@@ -40,7 +40,6 @@
#include <linux/slab.h>
#include <asm/param.h> /* for timeouts in units of HZ */
-#include <scsi/scsi_dbg.h>
#include "sym_glue.h"
#include "sym_nvram.h"
@@ -1430,29 +1429,18 @@ static int sym_prepare_nego(struct sym_hcb *np, struct sym_ccb *cp, u_char *msgp
switch (nego) {
case NS_SYNC:
- msgptr[msglen++] = M_EXTENDED;
- msgptr[msglen++] = 3;
- msgptr[msglen++] = M_X_SYNC_REQ;
- msgptr[msglen++] = goal->period;
- msgptr[msglen++] = goal->offset;
+ msglen += spi_populate_sync_msg(msgptr + msglen, goal->period,
+ goal->offset);
break;
case NS_WIDE:
- msgptr[msglen++] = M_EXTENDED;
- msgptr[msglen++] = 2;
- msgptr[msglen++] = M_X_WIDE_REQ;
- msgptr[msglen++] = goal->width;
+ msglen += spi_populate_width_msg(msgptr + msglen, goal->width);
break;
case NS_PPR:
- msgptr[msglen++] = M_EXTENDED;
- msgptr[msglen++] = 6;
- msgptr[msglen++] = M_X_PPR_REQ;
- msgptr[msglen++] = goal->period;
- msgptr[msglen++] = 0;
- msgptr[msglen++] = goal->offset;
- msgptr[msglen++] = goal->width;
- msgptr[msglen++] = (goal->iu ? PPR_OPT_IU : 0) |
+ msglen += spi_populate_ppr_msg(msgptr + msglen, goal->period,
+ goal->offset, goal->width,
+ (goal->iu ? PPR_OPT_IU : 0) |
(goal->dt ? PPR_OPT_DT : 0) |
- (goal->qas ? PPR_OPT_QAS : 0);
+ (goal->qas ? PPR_OPT_QAS : 0));
break;
}
@@ -3948,11 +3936,7 @@ sym_sync_nego_check(struct sym_hcb *np, int req, struct sym_ccb *cp)
/*
* It was a request. Prepare an answer message.
*/
- np->msgout[0] = M_EXTENDED;
- np->msgout[1] = 3;
- np->msgout[2] = M_X_SYNC_REQ;
- np->msgout[3] = per;
- np->msgout[4] = ofs;
+ spi_populate_sync_msg(np->msgout, per, ofs);
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, target, "sync msgout", np->msgout);
@@ -4078,14 +4062,7 @@ sym_ppr_nego_check(struct sym_hcb *np, int req, int target)
/*
* It was a request. Prepare an answer message.
*/
- np->msgout[0] = M_EXTENDED;
- np->msgout[1] = 6;
- np->msgout[2] = M_X_PPR_REQ;
- np->msgout[3] = per;
- np->msgout[4] = 0;
- np->msgout[5] = ofs;
- np->msgout[6] = wide;
- np->msgout[7] = opts;
+ spi_populate_ppr_msg(np->msgout, per, ofs, wide, opts);
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, target, "ppr msgout", np->msgout);
@@ -4197,10 +4174,7 @@ sym_wide_nego_check(struct sym_hcb *np, int req, struct sym_ccb *cp)
/*
* It was a request. Prepare an answer message.
*/
- np->msgout[0] = M_EXTENDED;
- np->msgout[1] = 2;
- np->msgout[2] = M_X_WIDE_REQ;
- np->msgout[3] = wide;
+ spi_populate_width_msg(np->msgout, wide);
np->msgin [0] = M_NOOP;
@@ -4245,11 +4219,8 @@ static void sym_wide_nego(struct sym_hcb *np, struct sym_tcb *tp, struct sym_ccb
* a single SCSI command (Suggested by Justin Gibbs).
*/
if (tp->tgoal.offset) {
- np->msgout[0] = M_EXTENDED;
- np->msgout[1] = 3;
- np->msgout[2] = M_X_SYNC_REQ;
- np->msgout[3] = tp->tgoal.period;
- np->msgout[4] = tp->tgoal.offset;
+ spi_populate_sync_msg(np->msgout, tp->tgoal.period,
+ tp->tgoal.offset);
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, cp->target,