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path: root/drivers/scsi/mvsas/mv_94xx.c
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Diffstat (limited to 'drivers/scsi/mvsas/mv_94xx.c')
-rw-r--r--drivers/scsi/mvsas/mv_94xx.c32
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c
index 78162c3c36e6..9d60c7c19b32 100644
--- a/drivers/scsi/mvsas/mv_94xx.c
+++ b/drivers/scsi/mvsas/mv_94xx.c
@@ -249,7 +249,7 @@ static int __devinit mvs_94xx_init(struct mvs_info *mvi)
/* enable completion queue interrupt */
tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM | CINT_SRS | CINT_CI_STOP |
- CINT_DMA_PCIE);
+ CINT_DMA_PCIE | CINT_NON_SPEC_NCQ_ERROR);
tmp |= CINT_PHY_MASK;
mw32(MVS_INT_MASK, tmp);
@@ -367,6 +367,35 @@ static void mvs_94xx_issue_stop(struct mvs_info *mvi, enum mvs_port_type type,
mw32(MVS_PCS, tmp);
}
+static void mvs_94xx_non_spec_ncq_error(struct mvs_info *mvi)
+{
+ void __iomem *regs = mvi->regs;
+ u32 err_0, err_1;
+ u8 i;
+ struct mvs_device *device;
+
+ err_0 = mr32(MVS_NON_NCQ_ERR_0);
+ err_1 = mr32(MVS_NON_NCQ_ERR_1);
+
+ mv_dprintk("non specific ncq error err_0:%x,err_1:%x.\n",
+ err_0, err_1);
+ for (i = 0; i < 32; i++) {
+ if (err_0 & bit(i)) {
+ device = mvs_find_dev_by_reg_set(mvi, i);
+ if (device)
+ mvs_release_task(mvi, device->sas_device);
+ }
+ if (err_1 & bit(i)) {
+ device = mvs_find_dev_by_reg_set(mvi, i+32);
+ if (device)
+ mvs_release_task(mvi, device->sas_device);
+ }
+ }
+
+ mw32(MVS_NON_NCQ_ERR_0, err_0);
+ mw32(MVS_NON_NCQ_ERR_1, err_1);
+}
+
static void mvs_94xx_free_reg_set(struct mvs_info *mvi, u8 *tfs)
{
void __iomem *regs = mvi->regs;
@@ -679,5 +708,6 @@ const struct mvs_dispatch mvs_94xx_dispatch = {
#ifndef DISABLE_HOTPLUG_DMA_FIX
mvs_94xx_fix_dma,
#endif
+ mvs_94xx_non_spec_ncq_error,
};