From: Tejun Heo <htejun@gmail.com>
To: jgarzik@pobox.com, alan@lxorguk.ukuu.org.uk, axboe@suse.de,
albertcc@tw.ibm.com, forrest.zhao@intel.com, efalk@google.com,
linux-ide@vger.kernel.org
Cc: Tejun Heo <htejun@gmail.com>
Subject: [PATCH 2/7] libata-pm-prep: make a number of functions global to libata
Date: Fri, 12 May 2006 01:37:50 +0900 [thread overview]
Message-ID: <11473654703689-git-send-email-htejun@gmail.com> (raw)
In-Reply-To: <11473654703440-git-send-email-htejun@gmail.com>
Make a number of functions from libata-core.c and libata-eh.c global
to libata (drivers/scsi/libata.h). These will be used by PM.
---
drivers/scsi/libata-core.c | 7 +++----
drivers/scsi/libata-eh.c | 24 ++++++++++++------------
drivers/scsi/libata.h | 15 +++++++++++++++
3 files changed, 30 insertions(+), 16 deletions(-)
9827f37046db8165d763573523d3cd864966a1be
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 71f9ea7..d4e3b37 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -65,7 +65,6 @@ static unsigned int ata_dev_init_params(
u16 heads, u16 sectors);
static unsigned int ata_dev_set_xfermode(struct ata_device *dev);
static void ata_dev_xfermask(struct ata_device *dev);
-static int ata_link_init_sata_spd_limit(struct ata_link *link);
static unsigned int ata_unique_id = 1;
static struct workqueue_struct *ata_wq;
@@ -1594,7 +1593,7 @@ void ata_port_probe(struct ata_port *ap)
* LOCKING:
* None.
*/
-static void sata_print_link_status(struct ata_link *link)
+void sata_print_link_status(struct ata_link *link)
{
u32 sstatus, scontrol, tmp;
@@ -5118,7 +5117,7 @@ void ata_dev_init(struct ata_device *dev
* LOCKING:
* Kernel thread context (may sleep)
*/
-static void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp)
+void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp)
{
struct ata_device *dev;
@@ -5151,7 +5150,7 @@ static void ata_link_init(struct ata_por
* RETURNS:
* 0 on success, -errno on failure.
*/
-static int ata_link_init_sata_spd_limit(struct ata_link *link)
+int ata_link_init_sata_spd_limit(struct ata_link *link)
{
u32 scontrol, spd;
diff --git a/drivers/scsi/libata-eh.c b/drivers/scsi/libata-eh.c
index 7abeb11..3764e21 100644
--- a/drivers/scsi/libata-eh.c
+++ b/drivers/scsi/libata-eh.c
@@ -679,7 +679,7 @@ void ata_eh_qc_retry(struct ata_queued_c
* LOCKING:
* None.
*/
-static void ata_eh_detach_dev(struct ata_device *dev)
+void ata_eh_detach_dev(struct ata_device *dev)
{
struct ata_port *ap = dev->link->ap;
unsigned long flags;
@@ -710,7 +710,7 @@ static void ata_eh_detach_dev(struct ata
* LOCKING:
* None.
*/
-static void ata_eh_about_to_do(struct ata_link *link, unsigned int action)
+void ata_eh_about_to_do(struct ata_link *link, unsigned int action)
{
struct ata_port *ap = link->ap;
unsigned long flags;
@@ -1296,7 +1296,7 @@ static void ata_eh_link_autopsy(struct a
* LOCKING:
* Kernel thread context (may sleep).
*/
-static void ata_eh_autopsy(struct ata_port *ap)
+void ata_eh_autopsy(struct ata_port *ap)
{
struct ata_link *link;
@@ -1382,7 +1382,7 @@ static void ata_eh_link_report(struct at
* LOCKING:
* None.
*/
-static void ata_eh_report(struct ata_port *ap)
+void ata_eh_report(struct ata_port *ap)
{
struct ata_link *link;
@@ -1431,9 +1431,9 @@ static int ata_eh_followup_srst_needed(i
return 0;
}
-static int ata_eh_reset(struct ata_link *link, int classify,
- ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
- ata_reset_fn_t hardreset, ata_postreset_fn_t postreset)
+int ata_eh_reset(struct ata_link *link, int classify,
+ ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
+ ata_reset_fn_t hardreset, ata_postreset_fn_t postreset)
{
struct ata_eh_context *ehc = &link->eh_context;
unsigned int *classes = ehc->classes;
@@ -1665,10 +1665,10 @@ static int ata_eh_skip_recovery(struct a
* RETURNS:
* 0 on success, -errno on failure.
*/
-static int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
- ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
- ata_postreset_fn_t postreset,
- struct ata_link **r_failed_link)
+int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
+ ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
+ ata_postreset_fn_t postreset,
+ struct ata_link **r_failed_link)
{
struct ata_link *link;
struct ata_eh_context *ehc;
@@ -1843,7 +1843,7 @@ static int ata_eh_recover(struct ata_por
* LOCKING:
* None.
*/
-static void ata_eh_finish(struct ata_port *ap)
+void ata_eh_finish(struct ata_port *ap)
{
int tag;
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index f09c23e..e4d21aa 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -53,6 +53,7 @@ extern unsigned ata_exec_internal(struct
extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
int post_reset, u16 *id);
extern int ata_dev_configure(struct ata_device *dev, int print_info);
+extern void sata_print_link_status(struct ata_link *link);
extern int ata_down_sata_spd_limit(struct ata_link *link);
extern int ata_set_sata_spd_needed(struct ata_link *link);
extern int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0);
@@ -66,6 +67,8 @@ extern void ata_dev_select(struct ata_po
unsigned int wait, unsigned int can_sleep);
extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
extern void ata_dev_init(struct ata_device *dev);
+extern void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp);
+extern int ata_link_init_sata_spd_limit(struct ata_link *link);
extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
@@ -111,6 +114,18 @@ extern void ata_ering_init(struct ata_er
extern enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
extern void ata_scsi_error(struct Scsi_Host *host);
extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
+extern void ata_eh_detach_dev(struct ata_device *dev);
+extern void ata_eh_about_to_do(struct ata_link *link, unsigned int action);
+extern void ata_eh_autopsy(struct ata_port *ap);
+extern void ata_eh_report(struct ata_port *ap);
+extern int ata_eh_reset(struct ata_link *link, int classify,
+ ata_prereset_fn_t prereset, ata_reset_fn_t softreset,
+ ata_reset_fn_t hardreset, ata_postreset_fn_t postreset);
+extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
+ ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
+ ata_postreset_fn_t postreset,
+ struct ata_link **r_failed_disk);
+extern void ata_eh_finish(struct ata_port *ap);
extern void ata_eh_scsi_hotplug(void *data);
#endif /* __LIBATA_H__ */
--
1.2.4
next prev parent reply other threads:[~2006-05-11 16:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-11 16:37 [PATCHSET 10/11] prep for PM support Tejun Heo
2006-05-11 16:37 ` [PATCH 4/7] libata-pm-prep: add @is_cmd to ata_tf_to_fis() Tejun Heo
2006-05-11 16:37 ` [PATCH 1/7] libata-pm-prep: add @new_class to ata_dev_revalidate() Tejun Heo
2006-05-11 16:37 ` [PATCH 3/7] libata-pm-prep: separate out sata_link_hardreset() Tejun Heo
2006-05-11 16:37 ` Tejun Heo [this message]
2006-05-11 16:37 ` [PATCH 7/7] libata-pm-prep: add HRST_TO_RESUME and implement resume action helpers Tejun Heo
2006-05-11 16:37 ` [PATCH 6/7] libata-pm-prep: implement qc_defer helpers Tejun Heo
2006-05-11 16:37 ` [PATCH 5/7] libata-pm-prep: implement ops->qc_defer() Tejun Heo
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