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Diffstat (limited to 'drivers/scsi/aic7xxx/aic7xxx_osm.h')
-rw-r--r--drivers/scsi/aic7xxx/aic7xxx_osm.h31
1 files changed, 0 insertions, 31 deletions
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h
index 46c3a796e6b1..b97f718dfe54 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.h
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h
@@ -268,35 +268,6 @@ ahc_scb_timer_reset(struct scb *scb, u_int usec)
268 268
269#define AIC7XXX_DRIVER_VERSION "6.2.36" 269#define AIC7XXX_DRIVER_VERSION "6.2.36"
270 270
271/**************************** Front End Queues ********************************/
272/*
273 * Data structure used to cast the Linux struct scsi_cmnd to something
274 * that allows us to use the queue macros. The linux structure has
275 * plenty of space to hold the links fields as required by the queue
276 * macros, but the queue macors require them to have the correct type.
277 */
278struct ahc_cmd_internal {
279 /* Area owned by the Linux scsi layer. */
280 uint8_t private[offsetof(struct scsi_cmnd, SCp.Status)];
281 union {
282 STAILQ_ENTRY(ahc_cmd) ste;
283 LIST_ENTRY(ahc_cmd) le;
284 TAILQ_ENTRY(ahc_cmd) tqe;
285 } links;
286 uint32_t end;
287};
288
289struct ahc_cmd {
290 union {
291 struct ahc_cmd_internal icmd;
292 struct scsi_cmnd scsi_cmd;
293 } un;
294};
295
296#define acmd_icmd(cmd) ((cmd)->un.icmd)
297#define acmd_scsi_cmd(cmd) ((cmd)->un.scsi_cmd)
298#define acmd_links un.icmd.links
299
300/*************************** Device Data Structures ***************************/ 271/*************************** Device Data Structures ***************************/
301/* 272/*
302 * A per probed device structure used to deal with some error recovery 273 * A per probed device structure used to deal with some error recovery
@@ -305,7 +276,6 @@ struct ahc_cmd {
305 * after a successfully completed inquiry command to the target when 276 * after a successfully completed inquiry command to the target when
306 * that inquiry data indicates a lun is present. 277 * that inquiry data indicates a lun is present.
307 */ 278 */
308TAILQ_HEAD(ahc_busyq, ahc_cmd);
309typedef enum { 279typedef enum {
310 AHC_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */ 280 AHC_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */
311 AHC_DEV_Q_BASIC = 0x10, /* Allow basic device queuing */ 281 AHC_DEV_Q_BASIC = 0x10, /* Allow basic device queuing */
@@ -900,7 +870,6 @@ ahc_notify_xfer_settings_change(struct ahc_softc *ahc,
900static __inline void 870static __inline void
901ahc_platform_scb_free(struct ahc_softc *ahc, struct scb *scb) 871ahc_platform_scb_free(struct ahc_softc *ahc, struct scb *scb)
902{ 872{
903 ahc->flags &= ~AHC_RESOURCE_SHORTAGE;
904} 873}
905 874
906int ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg); 875int ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg);