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[libata] ATA passthru (arbitrary ATA command execution)

Browse Source 
Authors:
Brett Russ <russb@emc.com>
John W. Linville <linville@tuxdriver.com>
Andy Warner <andyw@pobox.com>
This commit is contained in:
Jeff Garzik
2005-05-12 15:45:22 -04:00
parent 88d7bd8cb9
commit b095518ef5
3 changed files with 556 additions and 109 deletions
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drivers/scsi/libata-scsi.c
+551 -108
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File diff suppressed because it is too large Load Diff
drivers/scsi/libata.h
+2 -1
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@@ -44,10 +44,11 @@ extern void ata_dev_select(struct ata_port *ap, unsigned int device,
unsigned int wait, unsigned int can_sleep);
extern void ata_tf_to_host_nolock(struct ata_port *ap, struct ata_taskfile *tf);
extern void swap_buf_le16(u16 *buf, unsigned int buf_words);
extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
/* libata-scsi.c */
extern void ata_to_sense_error(struct ata_queued_cmd *qc, u8 drv_stat);
extern int ata_scsi_error(struct Scsi_Host *host);
extern unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf,
unsigned int buflen);
include/scsi/scsi.h
+3
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@@ -113,6 +113,9 @@ extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
/* values for service action in */
#define SAI_READ_CAPACITY_16 0x10
/* Values for T10/04-262r7 */
#define ATA_16 0x85 /* 16-byte pass-thru */
#define ATA_12 0xa1 /* 12-byte pass-thru */
/*
* SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft