mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-29 13:00:35 +00:00
165125e1e4
Some of the code has been gradually transitioned to using the proper struct request_queue, but there's lots left. So do a full sweet of the kernel and get rid of this typedef and replace its uses with the proper type. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
#ifndef _SCSI_DISK_H
|
|
#define _SCSI_DISK_H
|
|
|
|
/*
|
|
* More than enough for everybody ;) The huge number of majors
|
|
* is a leftover from 16bit dev_t days, we don't really need that
|
|
* much numberspace.
|
|
*/
|
|
#define SD_MAJORS 16
|
|
|
|
/*
|
|
* This is limited by the naming scheme enforced in sd_probe,
|
|
* add another character to it if you really need more disks.
|
|
*/
|
|
#define SD_MAX_DISKS (((26 * 26) + 26 + 1) * 26)
|
|
|
|
/*
|
|
* Time out in seconds for disks and Magneto-opticals (which are slower).
|
|
*/
|
|
#define SD_TIMEOUT (30 * HZ)
|
|
#define SD_MOD_TIMEOUT (75 * HZ)
|
|
|
|
/*
|
|
* Number of allowed retries
|
|
*/
|
|
#define SD_MAX_RETRIES 5
|
|
#define SD_PASSTHROUGH_RETRIES 1
|
|
|
|
/*
|
|
* Size of the initial data buffer for mode and read capacity data
|
|
*/
|
|
#define SD_BUF_SIZE 512
|
|
|
|
struct scsi_disk {
|
|
struct scsi_driver *driver; /* always &sd_template */
|
|
struct scsi_device *device;
|
|
struct class_device cdev;
|
|
struct gendisk *disk;
|
|
unsigned int openers; /* protected by BKL for now, yuck */
|
|
sector_t capacity; /* size in 512-byte sectors */
|
|
u32 index;
|
|
u8 media_present;
|
|
u8 write_prot;
|
|
unsigned WCE : 1; /* state of disk WCE bit */
|
|
unsigned RCD : 1; /* state of disk RCD bit, unused */
|
|
unsigned DPOFUA : 1; /* state of disk DPOFUA bit */
|
|
};
|
|
#define to_scsi_disk(obj) container_of(obj,struct scsi_disk,cdev)
|
|
|
|
static int sd_revalidate_disk(struct gendisk *disk);
|
|
static void sd_rw_intr(struct scsi_cmnd * SCpnt);
|
|
static int sd_probe(struct device *);
|
|
static int sd_remove(struct device *);
|
|
static void sd_shutdown(struct device *dev);
|
|
static int sd_suspend(struct device *dev, pm_message_t state);
|
|
static int sd_resume(struct device *dev);
|
|
static void sd_rescan(struct device *);
|
|
static int sd_init_command(struct scsi_cmnd *);
|
|
static int sd_issue_flush(struct device *, sector_t *);
|
|
static void sd_prepare_flush(struct request_queue *, struct request *);
|
|
static void sd_read_capacity(struct scsi_disk *sdkp, unsigned char *buffer);
|
|
static void scsi_disk_release(struct class_device *cdev);
|
|
static void sd_print_sense_hdr(struct scsi_disk *, struct scsi_sense_hdr *);
|
|
static void sd_print_result(struct scsi_disk *, int);
|
|
|
|
#define sd_printk(prefix, sdsk, fmt, a...) \
|
|
(sdsk)->disk ? \
|
|
sdev_printk(prefix, (sdsk)->device, "[%s] " fmt, \
|
|
(sdsk)->disk->disk_name, ##a) : \
|
|
sdev_printk(prefix, (sdsk)->device, fmt, ##a)
|
|
|
|
#endif /* _SCSI_DISK_H */
|