[GIT PULL] SCSI fixes for 6.7-rc6

[GIT PULL] SCSI fixes for 6.7-rc6

[James Bottomley]

Four small fixes, three in drivers with the core one adding a batch
indicator (for drivers which use it) to the error handler.

The patch is available here:

git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

The short changelog is:

Alexander Atanasov (1):
      scsi: core: Always send batch on reset or error handling command

Can Guo (1):
      scsi: ufs: core: Let the sq_lock protect sq_tail_slot access

ChanWoo Lee (1):
      scsi: ufs: qcom: Return ufs_qcom_clk_scale_*() errors in ufs_qcom_clk_scale_notify()

Wei Yongjun (1):
      scsi: bnx2fc: Fix skb double free in bnx2fc_rcv()

And the diffstat:

 drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 9 +++------
 drivers/scsi/scsi_error.c         | 2 ++
 drivers/ufs/core/ufshcd.c         | 3 ++-
 drivers/ufs/host/ufs-qcom.c       | 6 ++++--
 4 files changed, 11 insertions(+), 9 deletions(-)

With full diff below.

James

---

diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 05ddbb9bb7d8..451a58e0fd96 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -429,7 +429,6 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
 	struct fcoe_ctlr *ctlr;
 	struct fcoe_rcv_info *fr;
 	struct fcoe_percpu_s *bg;
-	struct sk_buff *tmp_skb;
 
 	interface = container_of(ptype, struct bnx2fc_interface,
 				 fcoe_packet_type);
@@ -441,11 +440,9 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev,
 		goto err;
 	}
 
-	tmp_skb = skb_share_check(skb, GFP_ATOMIC);
-	if (!tmp_skb)
-		goto err;
-
-	skb = tmp_skb;
+	skb = skb_share_check(skb, GFP_ATOMIC);
+	if (!skb)
+		return -1;
 
 	if (unlikely(eth_hdr(skb)->h_proto != htons(ETH_P_FCOE))) {
 		printk(KERN_ERR PFX "bnx2fc_rcv: Wrong FC type frame\n");
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index c67cdcdc3ba8..1223d34c04da 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1152,6 +1152,7 @@ static enum scsi_disposition scsi_send_eh_cmnd(struct scsi_cmnd *scmd,
 
 	scsi_log_send(scmd);
 	scmd->submitter = SUBMITTED_BY_SCSI_ERROR_HANDLER;
+	scmd->flags |= SCMD_LAST;
 
 	/*
 	 * Lock sdev->state_mutex to avoid that scsi_device_quiesce() can
@@ -2459,6 +2460,7 @@ scsi_ioctl_reset(struct scsi_device *dev, int __user *arg)
 	scsi_init_command(dev, scmd);
 
 	scmd->submitter = SUBMITTED_BY_SCSI_RESET_IOCTL;
+	scmd->flags |= SCMD_LAST;
 	memset(&scmd->sdb, 0, sizeof(scmd->sdb));
 
 	scmd->cmd_len			= 0;
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index bce0d2a9a7f3..16d76325039a 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -2274,9 +2274,10 @@ void ufshcd_send_command(struct ufs_hba *hba, unsigned int task_tag,
 	if (is_mcq_enabled(hba)) {
 		int utrd_size = sizeof(struct utp_transfer_req_desc);
 		struct utp_transfer_req_desc *src = lrbp->utr_descriptor_ptr;
-		struct utp_transfer_req_desc *dest = hwq->sqe_base_addr + hwq->sq_tail_slot;
+		struct utp_transfer_req_desc *dest;
 
 		spin_lock(&hwq->sq_lock);
+		dest = hwq->sqe_base_addr + hwq->sq_tail_slot;
 		memcpy(dest, src, utrd_size);
 		ufshcd_inc_sq_tail(hwq);
 		spin_unlock(&hwq->sq_lock);
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 96cb8b5b4e66..17e24270477d 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -1516,9 +1516,11 @@ static int ufs_qcom_clk_scale_notify(struct ufs_hba *hba,
 			err = ufs_qcom_clk_scale_up_pre_change(hba);
 		else
 			err = ufs_qcom_clk_scale_down_pre_change(hba);
-		if (err)
-			ufshcd_uic_hibern8_exit(hba);
 
+		if (err) {
+			ufshcd_uic_hibern8_exit(hba);
+			return err;
+		}
 	} else {
 		if (scale_up)
 			err = ufs_qcom_clk_scale_up_post_change(hba);

Re: [GIT PULL] SCSI fixes for 6.7-rc6

[pr-tracker-bot]

The pull request you sent on Sat, 23 Dec 2023 13:16:49 -0500:

> git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/f969c91482e1dedbb35aee4e7d32d13ed17f9e13

Thank you!

-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/prtracker.html

Re: [GIT PULL] SCSI fixes for 6.7-rc6

[pr-tracker-bot]

The pull request you sent on Mon, 18 Dec 2023 13:43:54 -0500:

> git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/2cf4f94d8e8646803f8fb0facf134b0cd7fb691a

Thank you!

-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/prtracker.html

[GIT PULL] SCSI fixes for 6.7-rc6

[James Bottomley]

Two medium sized fixes, both in drivers.  The UFS one adds parsing of
clock info structures, which is required by some host drivers and the
aacraid one reverts the IRQ affinity mapping patch which has been
causing regressions noted in kernel bugzilla 217599.

The patch is available here:

git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

The short changelog is:

Martin K. Petersen (1):
      Revert "scsi: aacraid: Reply queue mapping to CPUs based on IRQ affinity"

Nitin Rawat (1):
      scsi: ufs: core: Store min and max clk freq from OPP table


And the diffstat:

 drivers/scsi/aacraid/aacraid.h   |  1 -
 drivers/scsi/aacraid/commsup.c   |  6 +----
 drivers/scsi/aacraid/linit.c     | 14 -----------
 drivers/scsi/aacraid/src.c       | 25 ++-----------------
 drivers/ufs/host/ufshcd-pltfrm.c | 54 ++++++++++++++++++++++++++++++++++++++++
 5 files changed, 57 insertions(+), 43 deletions(-)

With full diff below.

James

---

diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 73b6ac0c01f5..7d5a155073c6 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -1678,7 +1678,6 @@ struct aac_dev
 	u32			handle_pci_error;
 	bool			init_reset;
 	u8			soft_reset_support;
-	u8			use_map_queue;
 };
 
 #define aac_adapter_interrupt(dev) \
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 013a9a334972..25cee03d7f97 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -223,12 +223,8 @@ int aac_fib_setup(struct aac_dev * dev)
 struct fib *aac_fib_alloc_tag(struct aac_dev *dev, struct scsi_cmnd *scmd)
 {
 	struct fib *fibptr;
-	u32 blk_tag;
-	int i;
 
-	blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd));
-	i = blk_mq_unique_tag_to_tag(blk_tag);
-	fibptr = &dev->fibs[i];
+	fibptr = &dev->fibs[scsi_cmd_to_rq(scmd)->tag];
 	/*
 	 *	Null out fields that depend on being zero at the start of
 	 *	each I/O
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index c4a36c0be527..68f4dbcfff49 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -19,7 +19,6 @@
 
 #include <linux/compat.h>
 #include <linux/blkdev.h>
-#include <linux/blk-mq-pci.h>
 #include <linux/completion.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
@@ -505,15 +504,6 @@ static int aac_slave_configure(struct scsi_device *sdev)
 	return 0;
 }
 
-static void aac_map_queues(struct Scsi_Host *shost)
-{
-	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
-
-	blk_mq_pci_map_queues(&shost->tag_set.map[HCTX_TYPE_DEFAULT],
-			      aac->pdev, 0);
-	aac->use_map_queue = true;
-}
-
 /**
  *	aac_change_queue_depth		-	alter queue depths
  *	@sdev:	SCSI device we are considering
@@ -1498,7 +1488,6 @@ static const struct scsi_host_template aac_driver_template = {
 	.bios_param			= aac_biosparm,
 	.shost_groups			= aac_host_groups,
 	.slave_configure		= aac_slave_configure,
-	.map_queues			= aac_map_queues,
 	.change_queue_depth		= aac_change_queue_depth,
 	.sdev_groups			= aac_dev_groups,
 	.eh_abort_handler		= aac_eh_abort,
@@ -1786,8 +1775,6 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	shost->max_lun = AAC_MAX_LUN;
 
 	pci_set_drvdata(pdev, shost);
-	shost->nr_hw_queues = aac->max_msix;
-	shost->host_tagset = 1;
 
 	error = scsi_add_host(shost, &pdev->dev);
 	if (error)
@@ -1919,7 +1906,6 @@ static void aac_remove_one(struct pci_dev *pdev)
 	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
 
 	aac_cancel_rescan_worker(aac);
-	aac->use_map_queue = false;
 	scsi_remove_host(shost);
 
 	__aac_shutdown(aac);
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
index 61949f374188..11ef58204e96 100644
--- a/drivers/scsi/aacraid/src.c
+++ b/drivers/scsi/aacraid/src.c
@@ -493,10 +493,6 @@ static int aac_src_deliver_message(struct fib *fib)
 #endif
 
 	u16 vector_no;
-	struct scsi_cmnd *scmd;
-	u32 blk_tag;
-	struct Scsi_Host *shost = dev->scsi_host_ptr;
-	struct blk_mq_queue_map *qmap;
 
 	atomic_inc(&q->numpending);
 
@@ -509,25 +505,8 @@ static int aac_src_deliver_message(struct fib *fib)
 		if ((dev->comm_interface == AAC_COMM_MESSAGE_TYPE3)
 			&& dev->sa_firmware)
 			vector_no = aac_get_vector(dev);
-		else {
-			if (!fib->vector_no || !fib->callback_data) {
-				if (shost && dev->use_map_queue) {
-					qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
-					vector_no = qmap->mq_map[raw_smp_processor_id()];
-				}
-				/*
-				 *	We hardcode the vector_no for
-				 *	reserved commands as a valid shost is
-				 *	absent during the init
-				 */
-				else
-					vector_no = 0;
-			} else {
-				scmd = (struct scsi_cmnd *)fib->callback_data;
-				blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd));
-				vector_no = blk_mq_unique_tag_to_hwq(blk_tag);
-			}
-		}
+		else
+			vector_no = fib->vector_no;
 
 		if (native_hba) {
 			if (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA_TMF) {
diff --git a/drivers/ufs/host/ufshcd-pltfrm.c b/drivers/ufs/host/ufshcd-pltfrm.c
index da2558e274b4..db9d9365ff55 100644
--- a/drivers/ufs/host/ufshcd-pltfrm.c
+++ b/drivers/ufs/host/ufshcd-pltfrm.c
@@ -8,6 +8,7 @@
  *	Vinayak Holikatti <h.vinayak@samsung.com>
  */
 
+#include <linux/clk.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/pm_opp.h>
@@ -213,6 +214,55 @@ static void ufshcd_init_lanes_per_dir(struct ufs_hba *hba)
 	}
 }
 
+/**
+ * ufshcd_parse_clock_min_max_freq  - Parse MIN and MAX clocks freq
+ * @hba: per adapter instance
+ *
+ * This function parses MIN and MAX frequencies of all clocks required
+ * by the host drivers.
+ *
+ * Returns 0 for success and non-zero for failure
+ */
+static int ufshcd_parse_clock_min_max_freq(struct ufs_hba *hba)
+{
+	struct list_head *head = &hba->clk_list_head;
+	struct ufs_clk_info *clki;
+	struct dev_pm_opp *opp;
+	unsigned long freq;
+	u8 idx = 0;
+
+	list_for_each_entry(clki, head, list) {
+		if (!clki->name)
+			continue;
+
+		clki->clk = devm_clk_get(hba->dev, clki->name);
+		if (IS_ERR(clki->clk))
+			continue;
+
+		/* Find Max Freq */
+		freq = ULONG_MAX;
+		opp = dev_pm_opp_find_freq_floor_indexed(hba->dev, &freq, idx);
+		if (IS_ERR(opp)) {
+			dev_err(hba->dev, "Failed to find OPP for MAX frequency\n");
+			return PTR_ERR(opp);
+		}
+		clki->max_freq = dev_pm_opp_get_freq_indexed(opp, idx);
+		dev_pm_opp_put(opp);
+
+		/* Find Min Freq */
+		freq = 0;
+		opp = dev_pm_opp_find_freq_ceil_indexed(hba->dev, &freq, idx);
+		if (IS_ERR(opp)) {
+			dev_err(hba->dev, "Failed to find OPP for MIN frequency\n");
+			return PTR_ERR(opp);
+		}
+		clki->min_freq = dev_pm_opp_get_freq_indexed(opp, idx++);
+		dev_pm_opp_put(opp);
+	}
+
+	return 0;
+}
+
 static int ufshcd_parse_operating_points(struct ufs_hba *hba)
 {
 	struct device *dev = hba->dev;
@@ -279,6 +329,10 @@ static int ufshcd_parse_operating_points(struct ufs_hba *hba)
 		return ret;
 	}
 
+	ret = ufshcd_parse_clock_min_max_freq(hba);
+	if (ret)
+		return ret;
+
 	hba->use_pm_opp = true;
 
 	return 0;