aboutsummaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-10 22:39:37 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-10 22:39:37 +0200
commit7645c1514c7d34ebdf3ea0e8ee3a935c08abceb2 (patch)
tree98e51341f3f1a259ca89baf7d2e83b7357dc8a22 /include
parent7bf7420a318978cd6042e5a5da34b7cfa18ae559 (diff)
ide: add ide_queue_pc_head() helper
* Move REQ_IDETAPE_* enums to <linux/ide.h>. * Add ide_queue_pc_head() and convert ide-{floppy,tape}.c to use it instead of ide*_queue_pc_head(). * Remove no longer used ide*_queue_pc_head(). There should be no functional changes caused by this patch. Acked-by: Borislav Petkov <petkovbb@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/ide.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index bba2f73b99a..1bd49784e4d 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1121,6 +1121,22 @@ int ide_check_atapi_device(ide_drive_t *, const char *);
void ide_init_pc(struct ide_atapi_pc *);
+/*
+ * Special requests for ide-tape block device strategy routine.
+ *
+ * In order to service a character device command, we add special requests to
+ * the tail of our block device request queue and wait for their completion.
+ */
+enum {
+ REQ_IDETAPE_PC1 = (1 << 0), /* packet command (first stage) */
+ REQ_IDETAPE_PC2 = (1 << 1), /* packet command (second stage) */
+ REQ_IDETAPE_READ = (1 << 2),
+ REQ_IDETAPE_WRITE = (1 << 3),
+};
+
+void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
+ struct request *);
+
ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry,
void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *),