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authorBrian King <brking@linux.vnet.ibm.com>2007-05-07 17:09:05 -0500
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2007-05-08 11:54:40 -0500
commit463fc696ed723a9d854113e370cc177b0b63de42 (patch)
tree5c0743c280e36f06fe7c2596ebd4b5edbb8dfdd2 /drivers/scsi/ipr.h
parentd24f8e8fef43aa9fc98ea7a5ae6eee0eed4cdc06 (diff)
[SCSI] ipr: Use PCI-E reset API for new ipr adapter
Use a newly added PCI API to issue a PCI Fundamental reset (warm reset) to a new ipr PCI-E adapter. Typically, the ipr adapter uses the start BIST bit in config space to reset an adapter. Issuing start BIST on this particular adapter results in the PCI-E logic on the card losing sync, which causes PCI-E errors, making the card unusable. The only reset mechanism that exists on this hardware that does not have this problem is PCI Fundamental reset (warm reset). Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/ipr.h')
-rw-r--r--drivers/scsi/ipr.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index daa96ee19d4..d93156671e9 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -37,7 +37,7 @@
/*
* Literals
*/
-#define IPR_DRIVER_VERSION "2.4.0"
+#define IPR_DRIVER_VERSION "2.4.1"
#define IPR_DRIVER_DATE "(April 24, 2007)"
/*
@@ -112,6 +112,7 @@
/* Driver data flags */
#define IPR_USE_LONG_TRANSOP_TIMEOUT 0x00000001
+#define IPR_USE_PCI_WARM_RESET 0x00000002
#define IPR_DEFAULT_MAX_ERROR_DUMP 984
#define IPR_NUM_LOG_HCAMS 2
@@ -193,6 +194,7 @@
#define IPR_WAIT_FOR_RESET_TIMEOUT (2 * HZ)
#define IPR_CHECK_FOR_RESET_TIMEOUT (HZ / 10)
#define IPR_WAIT_FOR_BIST_TIMEOUT (2 * HZ)
+#define IPR_PCI_RESET_TIMEOUT (HZ / 2)
#define IPR_DUMP_TIMEOUT (15 * HZ)
/*
@@ -1091,6 +1093,9 @@ struct ipr_ioa_cfg {
u8 allow_ml_add_del:1;
u8 needs_hard_reset:1;
u8 dual_raid:1;
+ u8 needs_warm_reset:1;
+
+ u8 revid;
enum ipr_cache_state cache_state;
u16 type; /* CCIN of the card */
@@ -1184,6 +1189,7 @@ struct ipr_ioa_cfg {
struct pci_pool *ipr_cmd_pool;
struct ipr_cmnd *reset_cmd;
+ int (*reset) (struct ipr_cmnd *);
struct ata_host ata_host;
char ipr_cmd_label[8];