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Diffstat (limited to 'include/linux/libata.h')
-rw-r--r--include/linux/libata.h81
1 files changed, 52 insertions, 29 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 620da7be07b7..a67bb9075e9b 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -116,6 +116,7 @@ static inline struct device *pci_dev_to_dev(struct pci_dev *pdev)
enum {
/* various global constants */
LIBATA_MAX_PRD = ATA_MAX_PRD / 2,
+ LIBATA_DUMB_MAX_PRD = ATA_MAX_PRD / 4, /* Worst case */
ATA_MAX_PORTS = 8,
ATA_DEF_QUEUE = 1,
/* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */
@@ -136,6 +137,8 @@ enum {
ATA_DFLAG_CDB_INTR = (1 << 2), /* device asserts INTRQ when ready for CDB */
ATA_DFLAG_NCQ = (1 << 3), /* device supports NCQ */
ATA_DFLAG_FLUSH_EXT = (1 << 4), /* do FLUSH_EXT instead of FLUSH */
+ ATA_DFLAG_ACPI_PENDING = (1 << 5), /* ACPI resume action pending */
+ ATA_DFLAG_ACPI_FAILED = (1 << 6), /* ACPI on devcfg has failed */
ATA_DFLAG_CFG_MASK = (1 << 8) - 1,
ATA_DFLAG_PIO = (1 << 8), /* device limited to PIO mode */
@@ -193,9 +196,9 @@ enum {
ATA_PFLAG_SCSI_HOTPLUG = (1 << 6), /* SCSI hotplug scheduled */
ATA_PFLAG_INITIALIZING = (1 << 7), /* being initialized, don't touch */
- ATA_PFLAG_FLUSH_PORT_TASK = (1 << 16), /* flush port task */
ATA_PFLAG_SUSPENDED = (1 << 17), /* port is suspended (power) */
ATA_PFLAG_PM_PENDING = (1 << 18), /* PM operation pending */
+ ATA_PFLAG_GTM_VALID = (1 << 19), /* acpi_gtm data valid */
/* struct ata_queued_cmd flags */
ATA_QCFLAG_ACTIVE = (1 << 0), /* cmd not yet ack'd to scsi lyer */
@@ -213,6 +216,8 @@ enum {
ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host only */
ATA_HOST_STARTED = (1 << 1), /* Host started */
+ /* bits 24:31 of host->flags are reserved for LLD specific flags */
+
/* various lengths of time */
ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */
ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */
@@ -298,6 +303,7 @@ enum {
ATA_HORKAGE_NODMA = (1 << 1), /* DMA problems */
ATA_HORKAGE_NONCQ = (1 << 2), /* Don't use NCQ */
ATA_HORKAGE_MAX_SEC_128 = (1 << 3), /* Limit max sects to 128 */
+ ATA_HORKAGE_BROKEN_HPA = (1 << 4), /* Broken HPA */
};
enum hsm_task_states {
@@ -320,6 +326,7 @@ enum ata_completion_errors {
AC_ERR_INVALID = (1 << 7), /* invalid argument */
AC_ERR_OTHER = (1 << 8), /* unknown */
AC_ERR_NODEV_HINT = (1 << 9), /* polling device detection hint */
+ AC_ERR_NCQ = (1 << 10), /* marker for offending NCQ qc */
};
/* forward declarations */
@@ -363,6 +370,9 @@ struct ata_host {
void *private_data;
const struct ata_port_operations *ops;
unsigned long flags;
+#ifdef CONFIG_ATA_ACPI
+ acpi_handle acpi_handle;
+#endif
struct ata_port *simplex_claimed; /* channel owning the DMA */
struct ata_port *ports[0];
};
@@ -405,6 +415,7 @@ struct ata_queued_cmd {
ata_qc_cb_t complete_fn;
void *private_data;
+ void *lldd_task;
};
struct ata_port_stats {
@@ -428,7 +439,11 @@ struct ata_device {
struct ata_port *ap;
unsigned int devno; /* 0 or 1 */
unsigned long flags; /* ATA_DFLAG_xxx */
+ unsigned int horkage; /* List of broken features */
struct scsi_device *sdev; /* attached SCSI device */
+#ifdef CONFIG_ATA_ACPI
+ acpi_handle acpi_handle;
+#endif
/* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
u64 n_sectors; /* size of device, if ATA */
unsigned int class; /* ATA_DEV_xxx */
@@ -456,11 +471,6 @@ struct ata_device {
/* error history */
struct ata_ering ering;
int spdn_cnt;
- unsigned int horkage; /* List of broken features */
-#ifdef CONFIG_ATA_ACPI
- /* ACPI objects info */
- acpi_handle obj_handle;
-#endif
};
/* Offset into struct ata_device. Fields above it are maintained
@@ -489,6 +499,17 @@ struct ata_eh_context {
unsigned int did_probe_mask;
};
+struct ata_acpi_drive
+{
+ u32 pio;
+ u32 dma;
+} __packed;
+
+struct ata_acpi_gtm {
+ struct ata_acpi_drive drive[2];
+ u32 flags;
+} __packed;
+
struct ata_port {
struct Scsi_Host *scsi_host; /* our co-allocated scsi host */
const struct ata_port_operations *ops;
@@ -514,6 +535,7 @@ struct ata_port {
unsigned int cbl; /* cable type; ATA_CBL_xxx */
unsigned int hw_sata_spd_limit;
unsigned int sata_spd_limit; /* SATA PHY speed limit */
+ unsigned int sata_spd; /* current SATA PHY speed */
/* record runtime error info, protected by host lock */
struct ata_eh_info eh_info;
@@ -547,8 +569,15 @@ struct ata_port {
pm_message_t pm_mesg;
int *pm_result;
+ struct timer_list fastdrain_timer;
+ unsigned long fastdrain_cnt;
+
void *private_data;
+#ifdef CONFIG_ATA_ACPI
+ acpi_handle acpi_handle;
+ struct ata_acpi_gtm acpi_gtm;
+#endif
u8 sector_buf[ATA_SECT_SIZE]; /* owned by EH */
};
@@ -599,9 +628,8 @@ struct ata_port_operations {
u8 (*irq_on) (struct ata_port *);
u8 (*irq_ack) (struct ata_port *ap, unsigned int chk_drq);
- u32 (*scr_read) (struct ata_port *ap, unsigned int sc_reg);
- void (*scr_write) (struct ata_port *ap, unsigned int sc_reg,
- u32 val);
+ int (*scr_read) (struct ata_port *ap, unsigned int sc_reg, u32 *val);
+ int (*scr_write) (struct ata_port *ap, unsigned int sc_reg, u32 val);
int (*port_suspend) (struct ata_port *ap, pm_message_t mesg);
int (*port_resume) (struct ata_port *ap);
@@ -744,7 +772,8 @@ extern unsigned int ata_dev_try_classify(struct ata_port *, unsigned int, u8 *);
*/
extern void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
extern void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
-extern void ata_tf_to_fis(const struct ata_taskfile *tf, u8 *fis, u8 pmp);
+extern void ata_tf_to_fis(const struct ata_taskfile *tf,
+ u8 pmp, int is_cmd, u8 *fis);
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);
@@ -758,6 +787,7 @@ extern void ata_data_xfer(struct ata_device *adev, unsigned char *buf,
unsigned int buflen, int write_data);
extern void ata_data_xfer_noirq(struct ata_device *adev, unsigned char *buf,
unsigned int buflen, int write_data);
+extern void ata_dumb_qc_prep(struct ata_queued_cmd *qc);
extern void ata_qc_prep(struct ata_queued_cmd *qc);
extern void ata_noop_qc_prep(struct ata_queued_cmd *qc);
extern unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc);
@@ -772,7 +802,6 @@ extern void ata_id_string(const u16 *id, unsigned char *s,
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);
extern void ata_bmdma_stop(struct ata_queued_cmd *qc);
@@ -849,11 +878,11 @@ struct pci_bits {
unsigned long val;
};
-extern int ata_pci_init_native_host(struct ata_host *host);
+extern int ata_pci_init_sff_host(struct ata_host *host);
extern int ata_pci_init_bmdma(struct ata_host *host);
-extern int ata_pci_prepare_native_host(struct pci_dev *pdev,
- const struct ata_port_info * const * ppi,
- struct ata_host **r_host);
+extern int ata_pci_prepare_sff_host(struct pci_dev *pdev,
+ const struct ata_port_info * const * ppi,
+ struct ata_host **r_host);
extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits);
extern unsigned long ata_pci_default_filter(struct ata_device *, unsigned long);
#endif /* CONFIG_PCI */
@@ -889,27 +918,21 @@ extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
/*
* ata_eh_info helpers
*/
-#define ata_ehi_push_desc(ehi, fmt, args...) do { \
- (ehi)->desc_len += scnprintf((ehi)->desc + (ehi)->desc_len, \
- ATA_EH_DESC_LEN - (ehi)->desc_len, \
- fmt , ##args); \
-} while (0)
-
-#define ata_ehi_clear_desc(ehi) do { \
- (ehi)->desc[0] = '\0'; \
- (ehi)->desc_len = 0; \
-} while (0)
-
-static inline void __ata_ehi_hotplugged(struct ata_eh_info *ehi)
+extern void __ata_ehi_push_desc(struct ata_eh_info *ehi, const char *fmt, ...);
+extern void ata_ehi_push_desc(struct ata_eh_info *ehi, const char *fmt, ...);
+extern void ata_ehi_clear_desc(struct ata_eh_info *ehi);
+
+static inline void ata_ehi_schedule_probe(struct ata_eh_info *ehi)
{
- ehi->flags |= ATA_EHI_HOTPLUGGED | ATA_EHI_RESUME_LINK;
+ ehi->flags |= ATA_EHI_RESUME_LINK;
ehi->action |= ATA_EH_SOFTRESET;
ehi->probe_mask |= (1 << ATA_MAX_DEVICES) - 1;
}
static inline void ata_ehi_hotplugged(struct ata_eh_info *ehi)
{
- __ata_ehi_hotplugged(ehi);
+ ata_ehi_schedule_probe(ehi);
+ ehi->flags |= ATA_EHI_HOTPLUGGED;
ehi->err_mask |= AC_ERR_ATA_BUS;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-24 10:36:24 +0000