diff options
| author | Xiangliang Yu <yuxiangl@marvell.com> | 2011-05-24 18:26:50 +0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-07-26 10:25:02 +0400 |
| commit | 534ff10104427ccad071ef87ae7017d47d08e50b (patch) | |
| tree | 3e0e7a74ef1c109a7a343817295ed6e925fd22c7 /drivers/scsi/mvsas/mv_94xx.c | |
| parent | 45b583b10a8b438b970e95a7d1d4db22c9e35004 (diff) | |
| download | linux-534ff10104427ccad071ef87ae7017d47d08e50b.tar.xz | |
[SCSI] mvsas: Add support for Non specific NCQ error interrupt
Signed-off-by: Xiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/mvsas/mv_94xx.c')
| -rw-r--r-- | drivers/scsi/mvsas/mv_94xx.c | 32 |
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, }; |