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[SCSI] mpt fusion: Adding DeviceResetCtx for internal Device reset frame

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1.) 	Added taskmgmt_quiesce_io flag in IOC and removed resetPending from
	_MPT_SCSI_HOST struct.
2.)	Reset from Scsi mid layer and internal Reset are seperate context.
	Adding DeviceResetCtx for internal Device reset frame.
	mptsas_taskmgmt_complete is optimized as part of implementation.

Signed-off-by: Kashyap Desai <kadesai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Kashyap, Desai
2009-05-29 16:46:07 +05:30
committed by James Bottomley
parent 1ba9ab2eb2
commit e7deff3374
8 changed files with 105 additions and 74 deletions
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13
drivers/message/fusion/mptbase.c
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@@ -6243,6 +6243,7 @@ mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
{
switch (reset_phase) {
case MPT_IOC_SETUP_RESET:
ioc->taskmgmt_quiesce_io = 1;
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
"%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
break;
@@ -6595,8 +6596,11 @@ mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
}
retval = 0;
ioc->taskmgmt_in_progress = 1;
if (ioc->alt_ioc)
ioc->taskmgmt_quiesce_io = 1;
if (ioc->alt_ioc) {
ioc->alt_ioc->taskmgmt_in_progress = 1;
ioc->alt_ioc->taskmgmt_quiesce_io = 1;
}
out:
spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
return retval;
@@ -6615,8 +6619,11 @@ mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
ioc->taskmgmt_in_progress = 0;
if (ioc->alt_ioc)
ioc->taskmgmt_quiesce_io = 0;
if (ioc->alt_ioc) {
ioc->alt_ioc->taskmgmt_in_progress = 0;
ioc->alt_ioc->taskmgmt_quiesce_io = 0;
}
spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
}
EXPORT_SYMBOL(mpt_clear_taskmgmt_in_progress_flag);
@@ -6731,9 +6738,11 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
ioc->ioc_reset_in_progress = 0;
ioc->taskmgmt_quiesce_io = 0;
ioc->taskmgmt_in_progress = 0;
if (ioc->alt_ioc) {
ioc->alt_ioc->ioc_reset_in_progress = 0;
ioc->alt_ioc->taskmgmt_quiesce_io = 0;
ioc->alt_ioc->taskmgmt_in_progress = 0;
}
spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);