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aacraid: performance improvement changes

Sfoglia il codice sorgente 
Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Murthy Bhat <Murthy.Bhat@pmcs.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Mahesh Rajashekhara
2015-03-26 10:41:30 -04:00
committato da James Bottomley
parent f9c4259678
commit ef6162333a
7 ha cambiato i file con 57 aggiunte e 58 eliminazioni
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37
drivers/scsi/aacraid/linit.c
Vedi File

@@ -251,27 +251,15 @@ static struct aac_driver_ident aac_drivers[] = {
* TODO: unify with aac_scsi_cmd().
*/
static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
static int aac_queuecommand(struct Scsi_Host *shost,
struct scsi_cmnd *cmd)
{
struct Scsi_Host *host = cmd->device->host;
struct aac_dev *dev = (struct aac_dev *)host->hostdata;
u32 count = 0;
cmd->scsi_done = done;
for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
struct fib * fib = &dev->fibs[count];
struct scsi_cmnd * command;
if (fib->hw_fib_va->header.XferState &&
((command = fib->callback_data)) &&
(command == cmd) &&
(cmd->SCp.phase == AAC_OWNER_FIRMWARE))
return 0; /* Already owned by Adapter */
}
int r = 0;
cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
return (aac_scsi_cmd(cmd) ? FAILED : 0);
r = (aac_scsi_cmd(cmd) ? FAILED : 0);
return r;
}
static DEF_SCSI_QCMD(aac_queuecommand)
/**
* aac_info - Returns the host adapter name
* @shost: Scsi host to report on
@@ -1085,6 +1073,7 @@ static struct scsi_host_template aac_driver_template = {
static void __aac_shutdown(struct aac_dev * aac)
{
int i;
int cpu;
if (aac->aif_thread) {
int i;
@@ -1099,14 +1088,26 @@ static void __aac_shutdown(struct aac_dev * aac)
}
aac_send_shutdown(aac);
aac_adapter_disable_int(aac);
cpu = cpumask_first(cpu_online_mask);
if (aac->pdev->device == PMC_DEVICE_S6 ||
aac->pdev->device == PMC_DEVICE_S7 ||
aac->pdev->device == PMC_DEVICE_S8 ||
aac->pdev->device == PMC_DEVICE_S9) {
if (aac->max_msix > 1) {
for (i = 0; i < aac->max_msix; i++)
for (i = 0; i < aac->max_msix; i++) {
if (irq_set_affinity_hint(
aac->msixentry[i].vector,
NULL)) {
printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
aac->name,
aac->id,
cpu);
}
cpu = cpumask_next(cpu,
cpu_online_mask);
free_irq(aac->msixentry[i].vector,
&(aac->aac_msix[i]));
}
} else {
free_irq(aac->pdev->irq,
&(aac->aac_msix[0]));