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Subject[GIT PULL] SCSI fixes for 5.19-rc6
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Date
Six small and reasonably obvious fixes, all in drivers.

The patch is available here:

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

The short changelog is:

Bjorn Andersson (1):
scsi: ufs: core: Drop loglevel of WriteBoost message

Changyuan Lyu (2):
scsi: pm80xx: Set stopped phy's linkrate to Disabled
scsi: pm80xx: Fix 'Unknown' max/min linkrate

Mike Christie (1):
scsi: target: Fix WRITE_SAME No Data Buffer crash

Ming Lei (1):
scsi: megaraid: Clear READ queue map's nr_queues

Po-Wen Kao (1):
scsi: ufs: core: Fix missing clk change notification on host reset

And the diffstat:

drivers/scsi/megaraid/megaraid_sas_base.c | 3 +++
drivers/scsi/pm8001/pm8001_hwi.c | 19 +++----------------
drivers/scsi/pm8001/pm8001_init.c | 2 ++
drivers/scsi/pm8001/pm80xx_hwi.c | 6 +++++-
drivers/target/target_core_file.c | 3 +++
drivers/target/target_core_iblock.c | 4 ++++
drivers/target/target_core_sbc.c | 6 ++++++
drivers/ufs/core/ufshcd.c | 4 ++--
8 files changed, 28 insertions(+), 19 deletions(-)

With full diff below.

James

---

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index c95360a3c186..0917b05059b4 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -3195,6 +3195,9 @@ static int megasas_map_queues(struct Scsi_Host *shost)
qoff += map->nr_queues;
offset += map->nr_queues;

+ /* we never use READ queue, so can't cheat blk-mq */
+ shost->tag_set.map[HCTX_TYPE_READ].nr_queues = 0;
+
/* Setup Poll hctx */
map = &shost->tag_set.map[HCTX_TYPE_POLL];
map->nr_queues = instance->iopoll_q_count;
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index f7466a895d3b..991eb01bb1e0 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -3145,15 +3145,6 @@ void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
if (!phy->phy_attached)
return;

- if (sas_phy->phy) {
- struct sas_phy *sphy = sas_phy->phy;
- sphy->negotiated_linkrate = sas_phy->linkrate;
- sphy->minimum_linkrate = phy->minimum_linkrate;
- sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
- sphy->maximum_linkrate = phy->maximum_linkrate;
- sphy->maximum_linkrate_hw = phy->maximum_linkrate;
- }
-
if (phy->phy_type & PORT_TYPE_SAS) {
struct sas_identify_frame *id;
id = (struct sas_identify_frame *)phy->frame_rcvd;
@@ -3177,26 +3168,22 @@ void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
switch (link_rate) {
case PHY_SPEED_120:
phy->sas_phy.linkrate = SAS_LINK_RATE_12_0_GBPS;
- phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_12_0_GBPS;
break;
case PHY_SPEED_60:
phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
- phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
break;
case PHY_SPEED_30:
phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
- phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
break;
case PHY_SPEED_15:
phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
- phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
break;
}
sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
- sas_phy->maximum_linkrate_hw = SAS_LINK_RATE_6_0_GBPS;
+ sas_phy->maximum_linkrate_hw = phy->maximum_linkrate;
sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
- sas_phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
- sas_phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
+ sas_phy->maximum_linkrate = phy->maximum_linkrate;
+ sas_phy->minimum_linkrate = phy->minimum_linkrate;
}

/**
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 9b04f1a6a67d..01f2f41928eb 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -143,6 +143,8 @@ static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id)
struct asd_sas_phy *sas_phy = &phy->sas_phy;
phy->phy_state = PHY_LINK_DISABLE;
phy->pm8001_ha = pm8001_ha;
+ phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
+ phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0;
sas_phy->class = SAS;
sas_phy->iproto = SAS_PROTOCOL_ALL;
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index 01c5e8ff4cc5..303cd05fec50 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -3723,8 +3723,12 @@ static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
pm8001_dbg(pm8001_ha, MSG, "phy:0x%x status:0x%x\n",
phyid, status);
if (status == PHY_STOP_SUCCESS ||
- status == PHY_STOP_ERR_DEVICE_ATTACHED)
+ status == PHY_STOP_ERR_DEVICE_ATTACHED) {
phy->phy_state = PHY_LINK_DISABLE;
+ phy->sas_phy.phy->negotiated_linkrate = SAS_PHY_DISABLED;
+ phy->sas_phy.linkrate = SAS_PHY_DISABLED;
+ }
+
return 0;
}

diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index e68f1cc8ef98..6c8d8b051bfd 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -448,6 +448,9 @@ fd_execute_write_same(struct se_cmd *cmd)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}

+ if (!cmd->t_data_nents)
+ return TCM_INVALID_CDB_FIELD;
+
if (cmd->t_data_nents > 1 ||
cmd->t_data_sg[0].length != cmd->se_dev->dev_attrib.block_size) {
pr_err("WRITE_SAME: Illegal SGL t_data_nents: %u length: %u"
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 378c80313a0f..1ed9381751e6 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -494,6 +494,10 @@ iblock_execute_write_same(struct se_cmd *cmd)
" backends not supported\n");
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}
+
+ if (!cmd->t_data_nents)
+ return TCM_INVALID_CDB_FIELD;
+
sg = &cmd->t_data_sg[0];

if (cmd->t_data_nents > 1 ||
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index ca1b2312d6e7..f6132836eb38 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -312,6 +312,12 @@ sbc_setup_write_same(struct se_cmd *cmd, unsigned char flags, struct sbc_ops *op
pr_warn("WRITE SAME with ANCHOR not supported\n");
return TCM_INVALID_CDB_FIELD;
}
+
+ if (flags & 0x01) {
+ pr_warn("WRITE SAME with NDOB not supported\n");
+ return TCM_INVALID_CDB_FIELD;
+ }
+
/*
* Special case for WRITE_SAME w/ UNMAP=1 that ends up getting
* translated into block discard requests within backend code.
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index ce86d1b790c0..c7b337480e3e 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -5738,7 +5738,7 @@ int ufshcd_wb_toggle(struct ufs_hba *hba, bool enable)
}

hba->dev_info.wb_enabled = enable;
- dev_info(hba->dev, "%s Write Booster %s\n",
+ dev_dbg(hba->dev, "%s Write Booster %s\n",
__func__, enable ? "enabled" : "disabled");

return ret;
@@ -7253,7 +7253,7 @@ static int ufshcd_host_reset_and_restore(struct ufs_hba *hba)
hba->silence_err_logs = false;

/* scale up clocks to max frequency before full reinitialization */
- ufshcd_set_clk_freq(hba, true);
+ ufshcd_scale_clks(hba, true);

err = ufshcd_hba_enable(hba);

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