Linas-san,
Thank you for your comment.
>On Tue, Dec 12, 2006 at 11:08:24AM +0900, Akira Iguchi wrote:
>>
>> I use some static functions in libata-core.c because it makes
>
>You will want to split this patch into several pars, and submit the
>changes to libata-core.c separately.
..
>Please generate unified diffs (diff -pu) or use quilt,
>this makes the patches easier to read. (and smaller)
This patch is the common part (libata-core.c, libata.h) of the
patch I sent yesterday. Please check it out.
Signed-off-by: Kou Ishizaki <kou.ishizaki at toshiba.co.jp>
Signed-off-by: Akira Iguchi <akira2.iguchi at toshiba.co.jp>
---
Index: linux-2.6.19/drivers/ata/libata-core.c
===================================================================
RCS file: /home/public/cvs/linux-2.6.19/drivers/ata/libata-core.c,v
retrieving revision 1.1.1.4
retrieving revision 1.4
diff -p -u -r1.1.1.4 -r1.4
--- linux-2.6.19/drivers/ata/libata-core.c 1 Dec 2006 04:45:53 -0000
1.1.1.4
+++ linux-2.6.19/drivers/ata/libata-core.c 6 Dec 2006 03:00:47 -0000
1.4
@@ -600,7 +600,7 @@ unsigned int ata_dev_classify(const stru
* Device type - %ATA_DEV_ATA, %ATA_DEV_ATAPI or %ATA_DEV_NONE.
*/
-static unsigned int
+unsigned int
ata_dev_try_classify(struct ata_port *ap, unsigned int device, u8 *r_err)
{
struct ata_taskfile tf;
@@ -2297,26 +2297,6 @@ int ata_set_mode(struct ata_port *ap, st
}
/**
- * ata_tf_to_host - issue ATA taskfile to host controller
- * @ap: port to which command is being issued
- * @tf: ATA taskfile register set
- *
- * Issues ATA taskfile register set to ATA host controller,
- * with proper synchronization with interrupt handler and
- * other threads.
- *
- * LOCKING:
- * spin_lock_irqsave(host lock)
- */
-
-static inline void ata_tf_to_host(struct ata_port *ap,
- const struct ata_taskfile *tf)
-{
- ap->ops->tf_load(ap, tf);
- ap->ops->exec_command(ap, tf);
-}
-
-/**
* ata_busy_sleep - sleep until BSY clears, or timeout
* @ap: port containing status register to be polled
* @tmout_pat: impatience timeout
@@ -3787,7 +3767,7 @@ static void ata_pio_sector(struct ata_qu
* Inherited from caller.
*/
-static void ata_pio_sectors(struct ata_queued_cmd *qc)
+void ata_pio_sectors(struct ata_queued_cmd *qc)
{
if (is_multi_taskfile(&qc->tf)) {
/* READ/WRITE MULTIPLE */
@@ -3814,7 +3794,7 @@ static void ata_pio_sectors(struct ata_q
* caller.
*/
-static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc)
+void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc)
{
/* send SCSI cdb */
DPRINTK("send cdb\n");
@@ -3943,7 +3923,7 @@ next_sg:
* Inherited from caller.
*/
-static void atapi_pio_bytes(struct ata_queued_cmd *qc)
+void atapi_pio_bytes(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ata_device *dev = qc->dev;
@@ -3984,33 +3964,6 @@ err_out:
}
/**
- * ata_hsm_ok_in_wq - Check if the qc can be handled in the workqueue.
- * @ap: the target ata_port
- * @qc: qc on going
- *
- * RETURNS:
- * 1 if ok in workqueue, 0 otherwise.
- */
-
-static inline int ata_hsm_ok_in_wq(struct ata_port *ap, struct ata_queued_cmd
*qc)
-{
- if (qc->tf.flags & ATA_TFLAG_POLLING)
- return 1;
-
- if (ap->hsm_task_state == HSM_ST_FIRST) {
- if (qc->tf.protocol == ATA_PROT_PIO &&
- (qc->tf.flags & ATA_TFLAG_WRITE))
- return 1;
-
- if (is_atapi_taskfile(&qc->tf) &&
- !(qc->dev->flags & ATA_DFLAG_CDB_INTR))
- return 1;
- }
-
- return 0;
-}
-
-/**
* ata_hsm_qc_complete - finish a qc running on standard HSM
* @qc: Command to complete
* @in_wq: 1 if called from workqueue, 0 otherwise
@@ -6122,6 +6075,7 @@ EXPORT_SYMBOL_GPL(ata_std_prereset);
EXPORT_SYMBOL_GPL(ata_std_softreset);
EXPORT_SYMBOL_GPL(sata_std_hardreset);
EXPORT_SYMBOL_GPL(ata_std_postreset);
+EXPORT_SYMBOL_GPL(ata_dev_revalidate);
EXPORT_SYMBOL_GPL(ata_dev_classify);
EXPORT_SYMBOL_GPL(ata_dev_pair);
EXPORT_SYMBOL_GPL(ata_port_disable);
@@ -6178,3 +6132,10 @@ EXPORT_SYMBOL_GPL(ata_eh_thaw_port);
EXPORT_SYMBOL_GPL(ata_eh_qc_complete);
EXPORT_SYMBOL_GPL(ata_eh_qc_retry);
EXPORT_SYMBOL_GPL(ata_do_eh);
+
+EXPORT_SYMBOL_GPL(ata_dev_try_classify);
+EXPORT_SYMBOL_GPL(ata_pio_sectors);
+EXPORT_SYMBOL_GPL(atapi_send_cdb);
+EXPORT_SYMBOL_GPL(atapi_pio_bytes);
+EXPORT_SYMBOL_GPL(ata_dev_select);
+EXPORT_SYMBOL_GPL(ata_probe_ent_alloc);
Index: linux-2.6.19/include/linux/libata.h
===================================================================
RCS file: /home/public/cvs/linux-2.6.19/include/linux/libata.h,v
retrieving revision 1.1.1.4
retrieving revision 1.2
diff -p -u -r1.1.1.4 -r1.2
--- linux-2.6.19/include/linux/libata.h 14 Nov 2006 02:16:27 -0000 1.1.1.4
+++ linux-2.6.19/include/linux/libata.h 6 Dec 2006 00:37:13 -0000 1.2
@@ -752,6 +752,13 @@ extern void ata_port_queue_task(struct a
extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
unsigned long interval_msec,
unsigned long timeout_msec);
+extern void ata_dev_select (struct ata_port *ap, unsigned int device, unsigned
int wait, unsigned int can_sleep);
+extern unsigned int ata_dev_try_classify (struct ata_port *ap, unsigned int
device, u8 *r_err);
+extern void ata_pio_sectors (struct ata_queued_cmd *qc);
+extern void atapi_send_cdb (struct ata_port *ap, struct ata_queued_cmd *qc);
+extern void atapi_pio_bytes (struct ata_queued_cmd *qc);
+extern struct ata_probe_ent *ata_probe_ent_alloc (struct device *dev, const
struct ata_port_info *port);
+
/*
* Default driver ops implementations
@@ -762,6 +769,7 @@ extern void ata_tf_to_fis(const struct a
extern void ata_tf_from_fis(const u8 *fis, struct ata_taskfile *tf);
extern void ata_noop_dev_select (struct ata_port *ap, unsigned int device);
extern void ata_std_dev_select (struct ata_port *ap, unsigned int device);
+extern void ata_dev_select (struct ata_port *ap, unsigned int device, unsigned
int wait, unsigned int can_sleep);
extern u8 ata_check_status(struct ata_port *ap);
extern u8 ata_altstatus(struct ata_port *ap);
extern void ata_exec_command(struct ata_port *ap, const struct ata_taskfile
*tf);
@@ -1265,4 +1273,51 @@ static inline struct ata_port *ata_shost
return (struct ata_port *) &host->hostdata[0];
}
+/**
+ * ata_tf_to_host - issue ATA taskfile to host controller
+ * @ap: port to which command is being issued
+ * @tf: ATA taskfile register set
+ *
+ * Issues ATA taskfile register set to ATA host controller,
+ * with proper synchronization with interrupt handler and
+ * other threads.
+ *
+ * LOCKING:
+ * spin_lock_irqsave(host lock)
+ */
+
+static inline void ata_tf_to_host(struct ata_port *ap,
+ const struct ata_taskfile *tf)
+{
+ ap->ops->tf_load(ap, tf);
+ ap->ops->exec_command(ap, tf);
+}
+
+/**
+ * ata_hsm_ok_in_wq - Check if the qc can be handled in the workqueue.
+ * @ap: the target ata_port
+ * @qc: qc on going
+ *
+ * RETURNS:
+ * 1 if ok in workqueue, 0 otherwise.
+ */
+
+static inline int ata_hsm_ok_in_wq(struct ata_port *ap, struct ata_queued_cmd
*qc)
+{
+ if (qc->tf.flags & ATA_TFLAG_POLLING)
+ return 1;
+
+ if (ap->hsm_task_state == HSM_ST_FIRST) {
+ if (qc->tf.protocol == ATA_PROT_PIO &&
+ (qc->tf.flags & ATA_TFLAG_WRITE))
+ return 1;
+
+ if (is_atapi_taskfile(&qc->tf) &&
+ !(qc->dev->flags & ATA_DFLAG_CDB_INTR))
+ return 1;
+ }
+
+ return 0;
+}
+
#endif /* __LINUX_LIBATA_H__ */
-
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