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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-27 01:58:03 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-27 01:58:03 +0300
commit6f366c1c751454df3d1c0f25f15ee0164821112a (patch)
treea609adb9ead12ec0df5dcadaa11133f92a442466 /include
parent221dee285ee38099b82437531bcae9fa9cb64cc4 (diff)
parentcb48cab7f363014e0a5dc21f7b4892c15d626d41 (diff)
downloadlinux-6f366c1c751454df3d1c0f25f15ee0164821112a.tar.xz
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (51 commits) [libata] bump versions [libata] Trim trailing whitespace. [libata] sata_mv: Fix 50xx irq mask [libata] sata_mv: don't touch reserved bits in EDMA config register libata: Use new id_to_dma_mode function to tidy reporting in more drivers (minimally tested) pata_pcmcia: Fix oops in 2.6.21-rc1 Add id_to_dma_mode function for printing DMA modes sata_promise: simplify port setup sata_promise: fix 20619 new EH merge error [libata] ACPI: remove needless ->qc_issue hook existence test sata_vsc: refactor vsc_sata_interrupt and hook up error handling sata_sil: ignore and clear spurious IRQs while executing commands by polling sata_mv: fix pci_enable_msi() error handling pata_amd: fix an obvious bug in cable detection [libata] ata_piix: remove duplicate PCI IDs sata_nv: complain on spurious completion notifiers libata: test major version in ata_id_is_sata() sata_nv: kill old private BMDMA helper functions libata: fix remaining ap->id ahci: consider SDB FIS containing spurious NCQ completions HSM violation (regenerated) ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/ata.h8
-rw-r--r--include/linux/libata.h27
2 files changed, 29 insertions, 6 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 272736e37990..c331da2da5f7 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -282,7 +282,6 @@ struct ata_taskfile {
};
#define ata_id_is_ata(id) (((id)[0] & (1 << 15)) == 0)
-#define ata_id_is_sata(id) ((id)[93] == 0)
#define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6))
#define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5))
#define ata_id_hpa_enabled(id) ((id)[85] & (1 << 10))
@@ -324,6 +323,11 @@ static inline unsigned int ata_id_major_version(const u16 *id)
return mver;
}
+static inline int ata_id_is_sata(const u16 *id)
+{
+ return ata_id_major_version(id) >= 5 && id[93] == 0;
+}
+
static inline int ata_id_current_chs_valid(const u16 *id)
{
/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
@@ -350,7 +354,7 @@ static inline int ata_id_is_cfa(const u16 *id)
static inline int ata_drive_40wire(const u16 *dev_id)
{
- if (ata_id_major_version(dev_id) >= 5 && ata_id_is_sata(dev_id))
+ if (ata_id_is_sata(dev_id))
return 0; /* SATA */
if ((dev_id[93] & 0xE000) == 0x6000)
return 0; /* 80 wire */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 86762a9f52ba..045fb3a72d59 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -495,6 +495,7 @@ struct ata_device {
/* error history */
struct ata_ering ering;
+ int spdn_cnt;
unsigned int horkage; /* List of broken features */
#ifdef CONFIG_SATA_ACPI
/* ACPI objects info */
@@ -535,8 +536,8 @@ struct ata_port {
spinlock_t *lock;
unsigned long flags; /* ATA_FLAG_xxx */
unsigned int pflags; /* ATA_PFLAG_xxx */
- unsigned int id; /* unique id req'd by scsi midlyr */
- unsigned int port_no; /* unique port #; from zero */
+ unsigned int print_id; /* user visible unique port ID */
+ unsigned int port_no; /* 0 based port no. inside the host */
struct ata_prd *prd; /* our SG list */
dma_addr_t prd_dma; /* and its DMA mapping */
@@ -759,6 +760,7 @@ extern void ata_port_queue_task(struct ata_port *ap, work_func_t fn,
extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
unsigned long interval_msec,
unsigned long timeout_msec);
+extern unsigned int ata_dev_try_classify(struct ata_port *, unsigned int, u8 *);
/*
* Default driver ops implementations
@@ -786,10 +788,12 @@ extern void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf,
extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
unsigned int n_elem);
extern unsigned int ata_dev_classify(const struct ata_taskfile *tf);
+extern void ata_dev_disable(struct ata_device *adev);
extern void ata_id_string(const u16 *id, unsigned char *s,
unsigned int ofs, unsigned int len);
extern void ata_id_c_string(const u16 *id, unsigned char *s,
unsigned int ofs, unsigned int len);
+extern void ata_id_to_dma_mode(struct ata_device *dev, u8 unknown);
extern unsigned long ata_device_blacklisted(const struct ata_device *dev);
extern void ata_bmdma_setup (struct ata_queued_cmd *qc);
extern void ata_bmdma_start (struct ata_queued_cmd *qc);
@@ -890,10 +894,10 @@ extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
* printk helpers
*/
#define ata_port_printk(ap, lv, fmt, args...) \
- printk(lv"ata%u: "fmt, (ap)->id , ##args)
+ printk(lv"ata%u: "fmt, (ap)->print_id , ##args)
#define ata_dev_printk(dev, lv, fmt, args...) \
- printk(lv"ata%u.%02u: "fmt, (dev)->ap->id, (dev)->devno , ##args)
+ printk(lv"ata%u.%02u: "fmt, (dev)->ap->print_id, (dev)->devno , ##args)
/*
* ata_eh_info helpers
@@ -1031,6 +1035,21 @@ static inline u8 ata_chk_status(struct ata_port *ap)
return ap->ops->check_status(ap);
}
+/**
+ * ata_ncq_enabled - Test whether NCQ is enabled
+ * @dev: ATA device to test for
+ *
+ * LOCKING:
+ * spin_lock_irqsave(host lock)
+ *
+ * RETURNS:
+ * 1 if NCQ is enabled for @dev, 0 otherwise.
+ */
+static inline int ata_ncq_enabled(struct ata_device *dev)
+{
+ return (dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF |
+ ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ;
+}
/**
* ata_pause - Flush writes and pause 400 nanoseconds.