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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-01-25 22:17:07 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-01-25 22:17:07 +0100
commit9e42237f26cf517a3f682505f03a3a8d89b3b35d (patch)
tree93b94dd8e1b1d9e257ed3ef84682bf4c0a22ad11 /include/linux/ide.h
parent2bd06b23e2a099abbf550202f62cd433e01f83e7 (diff)
ide: add ide_tf_load() helper
Based on the earlier work by Tejun Heo. * Add 'tf_flags' field (for taskfile flags) to ide_task_t. * Add IDE_TFLAG_LBA48 taskfile flag for LBA48 taskfiles. * Add IDE_TFLAG_NO_SELECT_MASK taskfile flag for __ide_do_rw_disk() which doesn't use SELECT_MASK() (looks like a bug but it requires some more investigation). * Split off ide_tf_load() helper from do_rw_taskfile(). * Convert __ide_do_rw_disk() to use ide_tf_load(). There should be no functionality changes caused by this patch. Cc: Tejun Heo <htejun@gmail.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'include/linux/ide.h')
-rw-r--r--include/linux/ide.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 69b78bb39ca..e25fd0b1dd7 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1060,6 +1060,11 @@ extern void ide_end_drive_cmd(ide_drive_t *, u8, u8);
*/
extern int ide_wait_cmd(ide_drive_t *, u8, u8, u8, u8, u8 *);
+enum {
+ IDE_TFLAG_LBA48 = (1 << 0),
+ IDE_TFLAG_NO_SELECT_MASK = (1 << 1),
+};
+
struct ide_taskfile {
u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */
@@ -1094,6 +1099,7 @@ typedef struct ide_task_s {
struct ide_taskfile tf;
u8 tf_array[14];
};
+ u8 tf_flags;
ide_reg_valid_t tf_out_flags;
ide_reg_valid_t tf_in_flags;
int data_phase;
@@ -1104,6 +1110,8 @@ typedef struct ide_task_s {
void *special; /* valid_t generally */
} ide_task_t;
+void ide_tf_load(ide_drive_t *, ide_task_t *);
+
extern u32 ide_read_24(ide_drive_t *);
extern void SELECT_DRIVE(ide_drive_t *);