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| author | Stephen M. Cameron <scameron@beardog.cce.hp.com> | 2011-05-03 14:59:51 -0500 |
|---|---|---|
| committer | James Bottomley <jbottomley@parallels.com> | 2011-05-17 11:07:28 +0400 |
| commit | 64670ac8702ec37a00ad6e479f3cacbde0fd4efa (patch) | |
| tree | 6b116d86149c21b24386bf34537d672ba1550fb7 /drivers/scsi/hpsa.h | |
| parent | cf0b08d0cd87ada9d284925834d08fb8026da888 (diff) | |
| download | lwn-64670ac8702ec37a00ad6e479f3cacbde0fd4efa.tar.gz lwn-64670ac8702ec37a00ad6e479f3cacbde0fd4efa.zip | |
[SCSI] hpsa: do soft reset if hard reset is broken
on driver load, if reset_devices is set, and the hard reset
attempts fail, try to bring up the controller to the point that
a command can be sent, and send it a soft reset command, then
after the reset undo whatever driver initialization was done to get
it to the point to take a command, and re-do it after the reset.
This is to get kdump to work on all the "non-resettable" controllers
(except 64xx controllers which can't be reset due to the potentially
shared cache module.)
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/hpsa.h')
| -rw-r--r-- | drivers/scsi/hpsa.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index b1412a7f4514..6d8dcd4dd06b 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -127,8 +127,10 @@ struct ctlr_info { }; #define HPSA_ABORT_MSG 0 #define HPSA_DEVICE_RESET_MSG 1 -#define HPSA_BUS_RESET_MSG 2 -#define HPSA_HOST_RESET_MSG 3 +#define HPSA_RESET_TYPE_CONTROLLER 0x00 +#define HPSA_RESET_TYPE_BUS 0x01 +#define HPSA_RESET_TYPE_TARGET 0x03 +#define HPSA_RESET_TYPE_LUN 0x04 #define HPSA_MSG_SEND_RETRY_LIMIT 10 #define HPSA_MSG_SEND_RETRY_INTERVAL_MSECS (10000) |