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-rw-r--r--MAINTAINERS1
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c2
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c36
-rw-r--r--drivers/scsi/lpfc/lpfc_sli4.h3
-rw-r--r--drivers/scsi/mpi3mr/mpi3mr_fw.c34
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.c5
-rw-r--r--drivers/scsi/ses.c5
-rw-r--r--drivers/scsi/snic/vnic_dev.c9
-rw-r--r--drivers/scsi/storvsc_drv.c5
-rw-r--r--drivers/ufs/core/ufshcd.c47
10 files changed, 97 insertions, 50 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 96e97d25e1c2..61bf550fd37c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6212,6 +6212,7 @@ F: drivers/scsi/fnic/
CISCO SCSI HBA DRIVER
M: Karan Tilak Kumar <kartilak@cisco.com>
+M: Narsimhulu Musini <nmusini@cisco.com>
M: Sesidhar Baddela <sebaddel@cisco.com>
L: linux-scsi@vger.kernel.org
S: Supported
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 94ad253d65a0..e9d9ac7da485 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -12025,6 +12025,8 @@ lpfc_sli4_pci_mem_unset(struct lpfc_hba *phba)
iounmap(phba->sli4_hba.conf_regs_memmap_p);
if (phba->sli4_hba.dpp_regs_memmap_p)
iounmap(phba->sli4_hba.dpp_regs_memmap_p);
+ if (phba->sli4_hba.dpp_regs_memmap_wc_p)
+ iounmap(phba->sli4_hba.dpp_regs_memmap_wc_p);
break;
case LPFC_SLI_INTF_IF_TYPE_1:
break;
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 1cbfbe44cb7c..303523f754b8 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -15977,6 +15977,32 @@ lpfc_dual_chute_pci_bar_map(struct lpfc_hba *phba, uint16_t pci_barset)
return NULL;
}
+static __maybe_unused void __iomem *
+lpfc_dpp_wc_map(struct lpfc_hba *phba, uint8_t dpp_barset)
+{
+
+ /* DPP region is supposed to cover 64-bit BAR2 */
+ if (dpp_barset != WQ_PCI_BAR_4_AND_5) {
+ lpfc_log_msg(phba, KERN_WARNING, LOG_INIT,
+ "3273 dpp_barset x%x != WQ_PCI_BAR_4_AND_5\n",
+ dpp_barset);
+ return NULL;
+ }
+
+ if (!phba->sli4_hba.dpp_regs_memmap_wc_p) {
+ void __iomem *dpp_map;
+
+ dpp_map = ioremap_wc(phba->pci_bar2_map,
+ pci_resource_len(phba->pcidev,
+ PCI_64BIT_BAR4));
+
+ if (dpp_map)
+ phba->sli4_hba.dpp_regs_memmap_wc_p = dpp_map;
+ }
+
+ return phba->sli4_hba.dpp_regs_memmap_wc_p;
+}
+
/**
* lpfc_modify_hba_eq_delay - Modify Delay Multiplier on EQs
* @phba: HBA structure that EQs are on.
@@ -16940,9 +16966,6 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq,
uint8_t dpp_barset;
uint32_t dpp_offset;
uint8_t wq_create_version;
-#ifdef CONFIG_X86
- unsigned long pg_addr;
-#endif
/* sanity check on queue memory */
if (!wq || !cq)
@@ -17128,14 +17151,15 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq,
#ifdef CONFIG_X86
/* Enable combined writes for DPP aperture */
- pg_addr = (unsigned long)(wq->dpp_regaddr) & PAGE_MASK;
- rc = set_memory_wc(pg_addr, 1);
- if (rc) {
+ bar_memmap_p = lpfc_dpp_wc_map(phba, dpp_barset);
+ if (!bar_memmap_p) {
lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
"3272 Cannot setup Combined "
"Write on WQ[%d] - disable DPP\n",
wq->queue_id);
phba->cfg_enable_dpp = 0;
+ } else {
+ wq->dpp_regaddr = bar_memmap_p + dpp_offset;
}
#else
phba->cfg_enable_dpp = 0;
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index ee58383492b2..b6d90604bb61 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -785,6 +785,9 @@ struct lpfc_sli4_hba {
void __iomem *dpp_regs_memmap_p; /* Kernel memory mapped address for
* dpp registers
*/
+ void __iomem *dpp_regs_memmap_wc_p;/* Kernel memory mapped address for
+ * dpp registers with write combining
+ */
union {
struct {
/* IF Type 0, BAR 0 PCI cfg space reg mem map */
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c
index 81150bef1145..5875065e2849 100644
--- a/drivers/scsi/mpi3mr/mpi3mr_fw.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c
@@ -4807,21 +4807,25 @@ void mpi3mr_memset_buffers(struct mpi3mr_ioc *mrioc)
}
for (i = 0; i < mrioc->num_queues; i++) {
- mrioc->op_reply_qinfo[i].qid = 0;
- mrioc->op_reply_qinfo[i].ci = 0;
- mrioc->op_reply_qinfo[i].num_replies = 0;
- mrioc->op_reply_qinfo[i].ephase = 0;
- atomic_set(&mrioc->op_reply_qinfo[i].pend_ios, 0);
- atomic_set(&mrioc->op_reply_qinfo[i].in_use, 0);
- mpi3mr_memset_op_reply_q_buffers(mrioc, i);
-
- mrioc->req_qinfo[i].ci = 0;
- mrioc->req_qinfo[i].pi = 0;
- mrioc->req_qinfo[i].num_requests = 0;
- mrioc->req_qinfo[i].qid = 0;
- mrioc->req_qinfo[i].reply_qid = 0;
- spin_lock_init(&mrioc->req_qinfo[i].q_lock);
- mpi3mr_memset_op_req_q_buffers(mrioc, i);
+ if (mrioc->op_reply_qinfo) {
+ mrioc->op_reply_qinfo[i].qid = 0;
+ mrioc->op_reply_qinfo[i].ci = 0;
+ mrioc->op_reply_qinfo[i].num_replies = 0;
+ mrioc->op_reply_qinfo[i].ephase = 0;
+ atomic_set(&mrioc->op_reply_qinfo[i].pend_ios, 0);
+ atomic_set(&mrioc->op_reply_qinfo[i].in_use, 0);
+ mpi3mr_memset_op_reply_q_buffers(mrioc, i);
+ }
+
+ if (mrioc->req_qinfo) {
+ mrioc->req_qinfo[i].ci = 0;
+ mrioc->req_qinfo[i].pi = 0;
+ mrioc->req_qinfo[i].num_requests = 0;
+ mrioc->req_qinfo[i].qid = 0;
+ mrioc->req_qinfo[i].reply_qid = 0;
+ spin_lock_init(&mrioc->req_qinfo[i].q_lock);
+ mpi3mr_memset_op_req_q_buffers(mrioc, i);
+ }
}
atomic_set(&mrioc->pend_large_data_sz, 0);
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 6a8d35aea93a..645524f3fe2d 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -525,8 +525,9 @@ int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags)
} else {
task->task_done(task);
}
- rc = -ENODEV;
- goto err_out;
+ spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+ pm8001_dbg(pm8001_ha, IO, "pm8001_task_exec device gone\n");
+ return 0;
}
ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, task);
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index 35101e9b7ba7..8e1686358e25 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -528,9 +528,8 @@ struct efd {
};
static int ses_enclosure_find_by_addr(struct enclosure_device *edev,
- void *data)
+ struct efd *efd)
{
- struct efd *efd = data;
int i;
struct ses_component *scomp;
@@ -683,7 +682,7 @@ static void ses_match_to_enclosure(struct enclosure_device *edev,
if (efd.addr) {
efd.dev = &sdev->sdev_gendev;
- enclosure_for_each_device(ses_enclosure_find_by_addr, &efd);
+ ses_enclosure_find_by_addr(edev, &efd);
}
}
diff --git a/drivers/scsi/snic/vnic_dev.c b/drivers/scsi/snic/vnic_dev.c
index c692de061f29..ed7771e62854 100644
--- a/drivers/scsi/snic/vnic_dev.c
+++ b/drivers/scsi/snic/vnic_dev.c
@@ -42,8 +42,6 @@ struct vnic_dev {
struct vnic_devcmd_notify *notify;
struct vnic_devcmd_notify notify_copy;
dma_addr_t notify_pa;
- u32 *linkstatus;
- dma_addr_t linkstatus_pa;
struct vnic_stats *stats;
dma_addr_t stats_pa;
struct vnic_devcmd_fw_info *fw_info;
@@ -650,8 +648,6 @@ int svnic_dev_init(struct vnic_dev *vdev, int arg)
int svnic_dev_link_status(struct vnic_dev *vdev)
{
- if (vdev->linkstatus)
- return *vdev->linkstatus;
if (!vnic_dev_notify_ready(vdev))
return 0;
@@ -686,11 +682,6 @@ void svnic_dev_unregister(struct vnic_dev *vdev)
sizeof(struct vnic_devcmd_notify),
vdev->notify,
vdev->notify_pa);
- if (vdev->linkstatus)
- dma_free_coherent(&vdev->pdev->dev,
- sizeof(u32),
- vdev->linkstatus,
- vdev->linkstatus_pa);
if (vdev->stats)
dma_free_coherent(&vdev->pdev->dev,
sizeof(struct vnic_stats),
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 664ad55728b5..ae1abab97835 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1856,8 +1856,9 @@ static enum scsi_qc_status storvsc_queuecommand(struct Scsi_Host *host,
cmd_request->payload_sz = payload_sz;
/* Invokes the vsc to start an IO */
- ret = storvsc_do_io(dev, cmd_request, get_cpu());
- put_cpu();
+ migrate_disable();
+ ret = storvsc_do_io(dev, cmd_request, smp_processor_id());
+ migrate_enable();
if (ret)
scsi_dma_unmap(scmnd);
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 847b55789bb8..899e663fea6e 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -24,6 +24,7 @@
#include <linux/pm_opp.h>
#include <linux/regulator/consumer.h>
#include <linux/sched/clock.h>
+#include <linux/sizes.h>
#include <linux/iopoll.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_dbg.h>
@@ -517,8 +518,8 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, struct scsi_cmnd *cmd,
if (hba->mcq_enabled) {
struct ufs_hw_queue *hwq = ufshcd_mcq_req_to_hwq(hba, rq);
-
- hwq_id = hwq->id;
+ if (hwq)
+ hwq_id = hwq->id;
} else {
doorbell = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
}
@@ -4389,14 +4390,6 @@ out_unlock:
spin_unlock_irqrestore(hba->host->host_lock, flags);
mutex_unlock(&hba->uic_cmd_mutex);
- /*
- * If the h8 exit fails during the runtime resume process, it becomes
- * stuck and cannot be recovered through the error handler. To fix
- * this, use link recovery instead of the error handler.
- */
- if (ret && hba->pm_op_in_progress)
- ret = ufshcd_link_recovery(hba);
-
return ret;
}
@@ -5249,6 +5242,25 @@ static void ufshcd_lu_init(struct ufs_hba *hba, struct scsi_device *sdev)
hba->dev_info.rpmb_region_size[1] = desc_buf[RPMB_UNIT_DESC_PARAM_REGION1_SIZE];
hba->dev_info.rpmb_region_size[2] = desc_buf[RPMB_UNIT_DESC_PARAM_REGION2_SIZE];
hba->dev_info.rpmb_region_size[3] = desc_buf[RPMB_UNIT_DESC_PARAM_REGION3_SIZE];
+
+ if (hba->dev_info.wspecversion <= 0x0220) {
+ /*
+ * These older spec chips have only one RPMB region,
+ * sized between 128 kB minimum and 16 MB maximum.
+ * No per region size fields are provided (respective
+ * REGIONX_SIZE fields always contain zeros), so get
+ * it from the logical block count and size fields for
+ * compatibility
+ *
+ * (See JESD220C-2_2 Section 14.1.4.6
+ * RPMB Unit Descriptor,* offset 13h, 4 bytes)
+ */
+ hba->dev_info.rpmb_region_size[0] =
+ (get_unaligned_be64(desc_buf
+ + RPMB_UNIT_DESC_PARAM_LOGICAL_BLK_COUNT)
+ << desc_buf[RPMB_UNIT_DESC_PARAM_LOGICAL_BLK_SIZE])
+ / SZ_128K;
+ }
}
@@ -5963,6 +5975,7 @@ static int ufshcd_disable_auto_bkops(struct ufs_hba *hba)
hba->auto_bkops_enabled = false;
trace_ufshcd_auto_bkops_state(hba, "Disabled");
+ hba->urgent_bkops_lvl = BKOPS_STATUS_PERF_IMPACT;
hba->is_urgent_bkops_lvl_checked = false;
out:
return err;
@@ -6066,7 +6079,7 @@ static void ufshcd_bkops_exception_event_handler(struct ufs_hba *hba)
* impacted or critical. Handle these device by determining their urgent
* bkops status at runtime.
*/
- if (curr_status < BKOPS_STATUS_PERF_IMPACT) {
+ if ((curr_status > BKOPS_STATUS_NO_OP) && (curr_status < BKOPS_STATUS_PERF_IMPACT)) {
dev_err(hba->dev, "%s: device raised urgent BKOPS exception for bkops status %d\n",
__func__, curr_status);
/* update the current status as the urgent bkops level */
@@ -7097,7 +7110,7 @@ static irqreturn_t ufshcd_handle_mcq_cq_events(struct ufs_hba *hba)
ret = ufshcd_vops_get_outstanding_cqs(hba, &outstanding_cqs);
if (ret)
- outstanding_cqs = (1U << hba->nr_hw_queues) - 1;
+ outstanding_cqs = (1ULL << hba->nr_hw_queues) - 1;
/* Exclude the poll queues */
nr_queues = hba->nr_hw_queues - hba->nr_queues[HCTX_TYPE_POLL];
@@ -10179,7 +10192,15 @@ static int __ufshcd_wl_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
} else {
dev_err(hba->dev, "%s: hibern8 exit failed %d\n",
__func__, ret);
- goto vendor_suspend;
+ /*
+ * If the h8 exit fails during the runtime resume
+ * process, it becomes stuck and cannot be recovered
+ * through the error handler. To fix this, use link
+ * recovery instead of the error handler.
+ */
+ ret = ufshcd_link_recovery(hba);
+ if (ret)
+ goto vendor_suspend;
}
} else if (ufshcd_is_link_off(hba)) {
/*