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| author | Gwendal Grignou <gwendal@google.com> | 2010-05-25 12:31:38 -0700 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2010-10-21 20:21:03 -0400 |
| commit | d9027470b88631d0956ac37cdadfdeb9cdcf2c99 (patch) | |
| tree | b15273e88431ba734a24965dfc81132ac13bc8bd /drivers/ata/libata.h | |
| parent | f6f94e2ab1b33f0082ac22d71f66385a60d8157f (diff) | |
| download | op-kernel-dev-d9027470b88631d0956ac37cdadfdeb9cdcf2c99.zip op-kernel-dev-d9027470b88631d0956ac37cdadfdeb9cdcf2c99.tar.gz | |
[libata] Add ATA transport class
This is a scheleton for libata transport class.
All information is read only, exporting information from libata:
- ata_port class: one per ATA port
- ata_link class: one per ATA port or 15 for SATA Port Multiplier
- ata_device class: up to 2 for PATA link, usually one for SATA.
Signed-off-by: Gwendal Grignou <gwendal@google.com>
Reviewed-by: Grant Grundler <grundler@google.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/libata.h')
| -rw-r--r-- | drivers/ata/libata.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 9ce1ecc..142102b 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -102,6 +102,7 @@ extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg); extern struct ata_port *ata_port_alloc(struct ata_host *host); extern void ata_dev_enable_pm(struct ata_device *dev, enum link_pm policy); extern void ata_lpm_schedule(struct ata_port *ap, enum link_pm); +extern const char *sata_spd_string(unsigned int spd); /* libata-acpi.c */ #ifdef CONFIG_ATA_ACPI @@ -137,6 +138,9 @@ extern void ata_scsi_hotplug(struct work_struct *work); extern void ata_schedule_scsi_eh(struct Scsi_Host *shost); extern void ata_scsi_dev_rescan(struct work_struct *work); extern int ata_bus_probe(struct ata_port *ap); +extern int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel, + unsigned int id, unsigned int lun); + /* libata-eh.c */ extern unsigned long ata_internal_cmd_timeout(struct ata_device *dev, u8 cmd); @@ -164,6 +168,9 @@ extern int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset, ata_postreset_fn_t postreset, struct ata_link **r_failed_disk); extern void ata_eh_finish(struct ata_port *ap); +extern int ata_ering_map(struct ata_ering *ering, + int (*map_fn)(struct ata_ering_entry *, void *), + void *arg); /* libata-pmp.c */ #ifdef CONFIG_SATA_PMP |
