especially the now dead scsi_cmnd overlay
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx.h
===================================================================
--- scsi-misc-2.6.orig/drivers/scsi/aic7xxx/aic7xxx.h 2005-06-10 23:53:30.000000000 +0200
+++ scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx.h 2005-06-10 23:56:05.000000000 +0200
@@ -346,7 +346,6 @@
* controller.
*/
AHC_NEWEEPROM_FMT = 0x4000,
- AHC_RESOURCE_SHORTAGE = 0x8000,
AHC_TQINFIFO_BLOCKED = 0x10000, /* Blocked waiting for ATIOs */
AHC_INT50_SPEEDFLEX = 0x20000, /*
* Internal 50pin connector
Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx_osm.c
===================================================================
--- scsi-misc-2.6.orig/drivers/scsi/aic7xxx/aic7xxx_osm.c 2005-06-10 23:53:59.000000000 +0200
+++ scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx_osm.c 2005-06-10 23:57:17.000000000 +0200
@@ -501,17 +501,6 @@
int found = 0;
/*
- * Sanity checking of Linux SCSI data structures so
- * that some of our hacks^H^H^H^H^Hassumptions aren't
- * violated.
- */
- if (offsetof(struct ahc_cmd_internal, end)
- > offsetof(struct scsi_cmnd, host_scribble)) {
- printf("ahc_linux_detect: SCSI data structures changed.\n");
- printf("ahc_linux_detect: Unable to attach\n");
- return (0);
- }
- /*
* If we've been passed any parameters, process them now.
*/
if (aic7xxx)
@@ -1587,10 +1576,9 @@
/*
* Get an scb to use.
*/
- if ((scb = ahc_get_scb(ahc)) == NULL) {
- ahc->flags |= AHC_RESOURCE_SHORTAGE;
- return SCSI_MLQUEUE_HOST_BUSY;
- }
+ scb = ahc_get_scb(ahc);
+ if (!scb)
+ return SCSI_MLQUEUE_HOST_BUSY;
scb->io_ctx = cmd;
scb->platform_data->dev = dev;
Index: scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx_osm.h
===================================================================
--- scsi-misc-2.6.orig/drivers/scsi/aic7xxx/aic7xxx_osm.h 2005-06-10 23:53:30.000000000 +0200
+++ scsi-misc-2.6/drivers/scsi/aic7xxx/aic7xxx_osm.h 2005-06-10 23:56:06.000000000 +0200
@@ -285,35 +285,6 @@
#define AIC7XXX_DRIVER_VERSION "6.2.36"
-/**************************** Front End Queues ********************************/
-/*
- * Data structure used to cast the Linux struct scsi_cmnd to something
- * that allows us to use the queue macros. The linux structure has
- * plenty of space to hold the links fields as required by the queue
- * macros, but the queue macors require them to have the correct type.
- */
-struct ahc_cmd_internal {
- /* Area owned by the Linux scsi layer. */
- uint8_t private[offsetof(struct scsi_cmnd, SCp.Status)];
- union {
- STAILQ_ENTRY(ahc_cmd) ste;
- LIST_ENTRY(ahc_cmd) le;
- TAILQ_ENTRY(ahc_cmd) tqe;
- } links;
- uint32_t end;
-};
-
-struct ahc_cmd {
- union {
- struct ahc_cmd_internal icmd;
- struct scsi_cmnd scsi_cmd;
- } un;
-};
-
-#define acmd_icmd(cmd) ((cmd)->un.icmd)
-#define acmd_scsi_cmd(cmd) ((cmd)->un.scsi_cmd)
-#define acmd_links un.icmd.links
-
/*************************** Device Data Structures ***************************/
/*
* A per probed device structure used to deal with some error recovery
@@ -322,7 +293,6 @@
* after a successfully completed inquiry command to the target when
* that inquiry data indicates a lun is present.
*/
-TAILQ_HEAD(ahc_busyq, ahc_cmd);
typedef enum {
AHC_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */
AHC_DEV_Q_BASIC = 0x10, /* Allow basic device queuing */
@@ -917,7 +887,6 @@
static __inline void
ahc_platform_scb_free(struct ahc_softc *ahc, struct scb *scb)
{
- ahc->flags &= ~AHC_RESOURCE_SHORTAGE;
}
int ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg);
-
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