mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-06 16:49:22 +00:00
libata: reorganize ata_port_operations
Over the time, ops in ata_port_operations has become a bit confusing. Reorganize. SFF/BMDMA ops are separated into separate a group as they will be taken out of ata_port_operations later. Signed-off-by: Tejun Heo <htejun@gmail.com>
This commit is contained in:
parent
f08048e945
commit
c1bc899f58
1 changed files with 59 additions and 54 deletions
|
@ -665,69 +665,74 @@ struct ata_port {
|
||||||
};
|
};
|
||||||
|
|
||||||
struct ata_port_operations {
|
struct ata_port_operations {
|
||||||
void (*dev_config) (struct ata_device *);
|
/*
|
||||||
|
* Command execution
|
||||||
|
*/
|
||||||
|
int (*qc_defer)(struct ata_queued_cmd *qc);
|
||||||
|
int (*check_atapi_dma)(struct ata_queued_cmd *qc);
|
||||||
|
void (*qc_prep)(struct ata_queued_cmd *qc);
|
||||||
|
unsigned int (*qc_issue)(struct ata_queued_cmd *qc);
|
||||||
|
|
||||||
void (*set_piomode) (struct ata_port *, struct ata_device *);
|
/*
|
||||||
void (*set_dmamode) (struct ata_port *, struct ata_device *);
|
* Configuration and exception handling
|
||||||
unsigned long (*mode_filter) (struct ata_device *, unsigned long);
|
*/
|
||||||
|
int (*cable_detect)(struct ata_port *ap);
|
||||||
|
unsigned long (*mode_filter)(struct ata_device *dev, unsigned long xfer_mask);
|
||||||
|
void (*set_piomode)(struct ata_port *ap, struct ata_device *dev);
|
||||||
|
void (*set_dmamode)(struct ata_port *ap, struct ata_device *dev);
|
||||||
|
int (*set_mode)(struct ata_link *link, struct ata_device **r_failed_dev);
|
||||||
|
|
||||||
void (*tf_load) (struct ata_port *ap, const struct ata_taskfile *tf);
|
void (*dev_config)(struct ata_device *dev);
|
||||||
void (*tf_read) (struct ata_port *ap, struct ata_taskfile *tf);
|
|
||||||
|
|
||||||
void (*exec_command)(struct ata_port *ap, const struct ata_taskfile *tf);
|
void (*freeze)(struct ata_port *ap);
|
||||||
|
void (*thaw)(struct ata_port *ap);
|
||||||
|
void (*error_handler)(struct ata_port *ap);
|
||||||
|
void (*post_internal_cmd)(struct ata_queued_cmd *qc);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Optional features
|
||||||
|
*/
|
||||||
|
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);
|
||||||
|
void (*pmp_attach)(struct ata_port *ap);
|
||||||
|
void (*pmp_detach)(struct ata_port *ap);
|
||||||
|
int (*enable_pm)(struct ata_port *ap, enum link_pm policy);
|
||||||
|
void (*disable_pm)(struct ata_port *ap);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Start, stop, suspend and resume
|
||||||
|
*/
|
||||||
|
int (*port_suspend)(struct ata_port *ap, pm_message_t mesg);
|
||||||
|
int (*port_resume)(struct ata_port *ap);
|
||||||
|
int (*port_start)(struct ata_port *ap);
|
||||||
|
void (*port_stop)(struct ata_port *ap);
|
||||||
|
void (*host_stop)(struct ata_host *host);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* SFF / taskfile oriented ops
|
||||||
|
*/
|
||||||
|
void (*dev_select)(struct ata_port *ap, unsigned int device);
|
||||||
u8 (*check_status)(struct ata_port *ap);
|
u8 (*check_status)(struct ata_port *ap);
|
||||||
u8 (*check_altstatus)(struct ata_port *ap);
|
u8 (*check_altstatus)(struct ata_port *ap);
|
||||||
void (*dev_select)(struct ata_port *ap, unsigned int device);
|
void (*tf_load)(struct ata_port *ap, const struct ata_taskfile *tf);
|
||||||
|
void (*tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
|
||||||
|
void (*exec_command)(struct ata_port *ap, const struct ata_taskfile *tf);
|
||||||
|
unsigned int (*data_xfer)(struct ata_device *dev, unsigned char *buf,
|
||||||
|
unsigned int buflen, int rw);
|
||||||
|
u8 (*irq_on)(struct ata_port *);
|
||||||
|
|
||||||
void (*phy_reset) (struct ata_port *ap); /* obsolete */
|
void (*irq_clear)(struct ata_port *);
|
||||||
int (*set_mode) (struct ata_link *link, struct ata_device **r_failed_dev);
|
void (*bmdma_setup)(struct ata_queued_cmd *qc);
|
||||||
|
void (*bmdma_start)(struct ata_queued_cmd *qc);
|
||||||
|
void (*bmdma_stop)(struct ata_queued_cmd *qc);
|
||||||
|
u8 (*bmdma_status)(struct ata_port *ap);
|
||||||
|
|
||||||
int (*cable_detect) (struct ata_port *ap);
|
/*
|
||||||
|
* Obsolete
|
||||||
int (*check_atapi_dma) (struct ata_queued_cmd *qc);
|
|
||||||
|
|
||||||
void (*bmdma_setup) (struct ata_queued_cmd *qc);
|
|
||||||
void (*bmdma_start) (struct ata_queued_cmd *qc);
|
|
||||||
|
|
||||||
unsigned int (*data_xfer) (struct ata_device *dev, unsigned char *buf,
|
|
||||||
unsigned int buflen, int rw);
|
|
||||||
|
|
||||||
int (*qc_defer) (struct ata_queued_cmd *qc);
|
|
||||||
void (*qc_prep) (struct ata_queued_cmd *qc);
|
|
||||||
unsigned int (*qc_issue) (struct ata_queued_cmd *qc);
|
|
||||||
|
|
||||||
/* port multiplier */
|
|
||||||
void (*pmp_attach) (struct ata_port *ap);
|
|
||||||
void (*pmp_detach) (struct ata_port *ap);
|
|
||||||
|
|
||||||
/* Error handlers. ->error_handler overrides ->eng_timeout and
|
|
||||||
* indicates that new-style EH is in place.
|
|
||||||
*/
|
*/
|
||||||
void (*eng_timeout) (struct ata_port *ap); /* obsolete */
|
void (*phy_reset)(struct ata_port *ap);
|
||||||
|
void (*eng_timeout)(struct ata_port *ap);
|
||||||
void (*freeze) (struct ata_port *ap);
|
|
||||||
void (*thaw) (struct ata_port *ap);
|
|
||||||
void (*error_handler) (struct ata_port *ap);
|
|
||||||
void (*post_internal_cmd) (struct ata_queued_cmd *qc);
|
|
||||||
|
|
||||||
irq_handler_t irq_handler;
|
irq_handler_t irq_handler;
|
||||||
void (*irq_clear) (struct ata_port *);
|
|
||||||
u8 (*irq_on) (struct ata_port *);
|
|
||||||
|
|
||||||
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);
|
|
||||||
int (*enable_pm) (struct ata_port *ap, enum link_pm policy);
|
|
||||||
void (*disable_pm) (struct ata_port *ap);
|
|
||||||
int (*port_start) (struct ata_port *ap);
|
|
||||||
void (*port_stop) (struct ata_port *ap);
|
|
||||||
|
|
||||||
void (*host_stop) (struct ata_host *host);
|
|
||||||
|
|
||||||
void (*bmdma_stop) (struct ata_queued_cmd *qc);
|
|
||||||
u8 (*bmdma_status) (struct ata_port *ap);
|
|
||||||
};
|
};
|
||||||
|
|
||||||
struct ata_port_info {
|
struct ata_port_info {
|
||||||
|
|
Loading…
Reference in a new issue