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ipr: AF DASD raw mode implementation in ipr driver

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This patch implements raw mode support for AF DASD in ipr driver
which allows for tools to send commands directly to physical
devices which are members of RAID arrays when enabled in the firmware.

[jejb: fix up whitespace]
Signed-off-by: Wen Xiong<wenxiong@linux.vnet.ibm.com>
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Reviewed-by: Daniel Kreling <kreling@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Wen Xiong
2015-03-26 11:23:58 -05:00
committed by James Bottomley
parent ea30c1deb6
commit f8ee25d7d2
2 changed files with 88 additions and 0 deletions
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3
drivers/scsi/ipr.h
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@@ -138,6 +138,7 @@
#define IPR_IOASC_BUS_WAS_RESET 0x06290000
#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER 0x06298000
#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST 0x0B5A0000
#define IPR_IOASC_IR_NON_OPTIMIZED 0x05258200
#define IPR_FIRST_DRIVER_IOASC 0x10000000
#define IPR_IOASC_IOA_WAS_RESET 0x10000001
@@ -521,6 +522,7 @@ struct ipr_cmd_pkt {
#define IPR_RQTYPE_IOACMD 0x01
#define IPR_RQTYPE_HCAM 0x02
#define IPR_RQTYPE_ATA_PASSTHRU 0x04
#define IPR_RQTYPE_PIPE 0x05
u8 reserved2;
@@ -1274,6 +1276,7 @@ struct ipr_resource_entry {
u8 del_from_ml:1;
u8 resetting_device:1;
u8 reset_occurred:1;
u8 raw_mode:1;
u32 bus; /* AKA channel */
u32 target; /* AKA id */