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-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c2
-rw-r--r--drivers/scsi/lpfc/lpfc_sli4.h2
-rw-r--r--drivers/scsi/qla1280.c37
-rw-r--r--drivers/scsi/qla1280.h3
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c14
-rw-r--r--drivers/scsi/scsi_lib.c13
-rw-r--r--drivers/scsi/scsi_pm.c3
-rw-r--r--drivers/scsi/scsi_proc.c9
-rw-r--r--drivers/scsi/sd.c5
-rw-r--r--drivers/scsi/sd.h5
-rw-r--r--drivers/scsi/sd_zbc.c12
11 files changed, 35 insertions, 70 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 8d8c495b5b60..d65558619ab0 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -5715,7 +5715,7 @@ LPFC_ATTR_RW(nvme_embed_cmd, 1, 0, 2,
  *      0    = Set nr_hw_queues by the number of CPUs or HW queues.
  *      1,128 = Manually specify the maximum nr_hw_queue value to be set,
  *
- * Value range is [0,128]. Default value is 8.
+ * Value range is [0,256]. Default value is 8.
  */
 LPFC_ATTR_R(fcp_mq_threshold, LPFC_FCP_MQ_THRESHOLD_DEF,
 	    LPFC_FCP_MQ_THRESHOLD_MIN, LPFC_FCP_MQ_THRESHOLD_MAX,
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 329f7aa7e169..a81ef0293696 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -46,7 +46,7 @@
 
 /* FCP MQ queue count limiting */
 #define LPFC_FCP_MQ_THRESHOLD_MIN	0
-#define LPFC_FCP_MQ_THRESHOLD_MAX	128
+#define LPFC_FCP_MQ_THRESHOLD_MAX	256
 #define LPFC_FCP_MQ_THRESHOLD_DEF	8
 
 /* Common buffer size to accomidate SCSI and NVME IO buffers */
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index e5760c4a27f0..832af4213046 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -357,10 +357,6 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_tcq.h>
 
-#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
-#include <asm/sn/io.h>
-#endif
-
 
 /*
  * Compile time Options:
@@ -380,11 +376,6 @@
 
 #define NVRAM_DELAY()			udelay(500)	/* 2 microseconds */
 
-#if defined(__ia64__) && !defined(ia64_platform_is)
-#define ia64_platform_is(foo)		(!strcmp(x, platform_name))
-#endif
-
-
 #define IS_ISP1040(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020)
 #define IS_ISP1x40(ha) (ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1020 || \
 			ha->pdev->device == PCI_DEVICE_ID_QLOGIC_ISP1240)
@@ -1427,15 +1418,6 @@ qla1280_initialize_adapter(struct scsi_qla_host *ha)
 	ha->flags.reset_active = 0;
 	ha->flags.abort_isp_active = 0;
 
-#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
-	if (ia64_platform_is("sn2")) {
-		printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
-		       "dual channel lockup workaround\n", ha->host_no);
-		ha->flags.use_pci_vchannel = 1;
-		driver_setup.no_nvram = 1;
-	}
-#endif
-
 	/* TODO: implement support for the 1040 nvram format */
 	if (IS_ISP1040(ha))
 		driver_setup.no_nvram = 1;
@@ -2251,13 +2233,6 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
 	mb[1] = nv->firmware_feature.f.enable_fast_posting;
 	mb[1] |= nv->firmware_feature.f.report_lvd_bus_transition << 1;
 	mb[1] |= nv->firmware_feature.f.disable_synchronous_backoff << 5;
-#if defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_SGI_SN2)
-	if (ia64_platform_is("sn2")) {
-		printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
-		       "workaround\n", ha->host_no);
-		mb[1] |= nv->firmware_feature.f.unused_9 << 9; /* XXX */
-	}
-#endif
 	status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
 
 	/* Retry count and delay. */
@@ -2888,12 +2863,6 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
 				break;
 
 			dma_handle = sg_dma_address(s);
-#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
-			if (ha->flags.use_pci_vchannel)
-				sn_pci_set_vchan(ha->pdev,
-						 (unsigned long *)&dma_handle,
-						 SCSI_BUS_32(cmd));
-#endif
 			*dword_ptr++ =
 				cpu_to_le32(lower_32_bits(dma_handle));
 			*dword_ptr++ =
@@ -2950,12 +2919,6 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
 				if (cnt == 5)
 					break;
 				dma_handle = sg_dma_address(s);
-#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
-				if (ha->flags.use_pci_vchannel)
-					sn_pci_set_vchan(ha->pdev,
-							 (unsigned long *)&dma_handle,
-							 SCSI_BUS_32(cmd));
-#endif
 				*dword_ptr++ =
 					cpu_to_le32(lower_32_bits(dma_handle));
 				*dword_ptr++ =
diff --git a/drivers/scsi/qla1280.h b/drivers/scsi/qla1280.h
index b496206362a9..a1a8aefc7cc3 100644
--- a/drivers/scsi/qla1280.h
+++ b/drivers/scsi/qla1280.h
@@ -1055,9 +1055,6 @@ struct scsi_qla_host {
 		uint32_t reset_active:1;		/* 3 */
 		uint32_t abort_isp_active:1;		/* 4 */
 		uint32_t disable_risc_code_load:1;	/* 5 */
-#ifdef __ia64__
-		uint32_t use_pci_vchannel:1;
-#endif
 	} flags;
 
 	struct nvram nvram;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index da83034d4759..d4c3baec9172 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -4575,20 +4575,6 @@ qla2x00_nvram_config(scsi_qla_host_t *vha)
 		rval = 1;
 	}
 
-#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
-	/*
-	 * The SN2 does not provide BIOS emulation which means you can't change
-	 * potentially bogus BIOS settings. Force the use of default settings
-	 * for link rate and frame size.  Hope that the rest of the settings
-	 * are valid.
-	 */
-	if (ia64_platform_is("sn2")) {
-		nv->frame_payload_size = 2048;
-		if (IS_QLA23XX(ha))
-			nv->special_options[1] = BIT_7;
-	}
-#endif
-
 	/* Reset Initialization control block */
 	memset(icb, 0, ha->init_cb_size);
 
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 11e64b50497f..4e88d7e9cf9a 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1089,6 +1089,18 @@ static void scsi_initialize_rq(struct request *rq)
 	cmd->retries = 0;
 }
 
+/*
+ * Only called when the request isn't completed by SCSI, and not freed by
+ * SCSI
+ */
+static void scsi_cleanup_rq(struct request *rq)
+{
+	if (rq->rq_flags & RQF_DONTPREP) {
+		scsi_mq_uninit_cmd(blk_mq_rq_to_pdu(rq));
+		rq->rq_flags &= ~RQF_DONTPREP;
+	}
+}
+
 /* Add a command to the list used by the aacraid and dpt_i2o drivers */
 void scsi_add_cmd_to_list(struct scsi_cmnd *cmd)
 {
@@ -1821,6 +1833,7 @@ static const struct blk_mq_ops scsi_mq_ops = {
 	.init_request	= scsi_mq_init_request,
 	.exit_request	= scsi_mq_exit_request,
 	.initialize_rq_fn = scsi_initialize_rq,
+	.cleanup_rq	= scsi_cleanup_rq,
 	.busy		= scsi_mq_lld_busy,
 	.map_queues	= scsi_map_queues,
 };
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index 74ded5f3c236..3717eea37ecb 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -94,8 +94,7 @@ static int scsi_dev_type_resume(struct device *dev,
 		if (!err && scsi_is_sdev_device(dev)) {
 			struct scsi_device *sdev = to_scsi_device(dev);
 
-			if (sdev->request_queue->dev)
-				blk_set_runtime_active(sdev->request_queue);
+			blk_set_runtime_active(sdev->request_queue);
 		}
 	}
 
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c
index c074631086a4..5b313226f11c 100644
--- a/drivers/scsi/scsi_proc.c
+++ b/drivers/scsi/scsi_proc.c
@@ -372,15 +372,10 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf,
 	return err;
 }
 
-static int always_match(struct device *dev, const void *data)
-{
-	return 1;
-}
-
 static inline struct device *next_scsi_device(struct device *start)
 {
-	struct device *next = bus_find_device(&scsi_bus_type, start, NULL,
-					      always_match);
+	struct device *next = bus_find_next_device(&scsi_bus_type, start);
+
 	put_device(start);
 	return next;
 }
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 149d406aacc9..4b925552458f 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1293,7 +1293,9 @@ static blk_status_t sd_init_command(struct scsi_cmnd *cmd)
 	case REQ_OP_WRITE:
 		return sd_setup_read_write_cmnd(cmd);
 	case REQ_OP_ZONE_RESET:
-		return sd_zbc_setup_reset_cmnd(cmd);
+		return sd_zbc_setup_reset_cmnd(cmd, false);
+	case REQ_OP_ZONE_RESET_ALL:
+		return sd_zbc_setup_reset_cmnd(cmd, true);
 	default:
 		WARN_ON_ONCE(1);
 		return BLK_STS_NOTSUPP;
@@ -1959,6 +1961,7 @@ static int sd_done(struct scsi_cmnd *SCpnt)
 	case REQ_OP_WRITE_ZEROES:
 	case REQ_OP_WRITE_SAME:
 	case REQ_OP_ZONE_RESET:
+	case REQ_OP_ZONE_RESET_ALL:
 		if (!result) {
 			good_bytes = blk_rq_bytes(req);
 			scsi_set_resid(SCpnt, 0);
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 38c50946fc42..1eab779f812b 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -209,7 +209,7 @@ static inline int sd_is_zoned(struct scsi_disk *sdkp)
 
 extern int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buffer);
 extern void sd_zbc_print_zones(struct scsi_disk *sdkp);
-extern blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd);
+extern blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd, bool all);
 extern void sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
 			    struct scsi_sense_hdr *sshdr);
 extern int sd_zbc_report_zones(struct gendisk *disk, sector_t sector,
@@ -225,7 +225,8 @@ static inline int sd_zbc_read_zones(struct scsi_disk *sdkp,
 
 static inline void sd_zbc_print_zones(struct scsi_disk *sdkp) {}
 
-static inline blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd)
+static inline blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd,
+						   bool all)
 {
 	return BLK_STS_TARGET;
 }
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index 5d6ff3931632..de4019dc0f0b 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -209,10 +209,11 @@ static inline sector_t sd_zbc_zone_sectors(struct scsi_disk *sdkp)
 /**
  * sd_zbc_setup_reset_cmnd - Prepare a RESET WRITE POINTER scsi command.
  * @cmd: the command to setup
+ * @all: Reset all zones control.
  *
  * Called from sd_init_command() for a REQ_OP_ZONE_RESET request.
  */
-blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd)
+blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd, bool all)
 {
 	struct request *rq = cmd->request;
 	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
@@ -234,7 +235,10 @@ blk_status_t sd_zbc_setup_reset_cmnd(struct scsi_cmnd *cmd)
 	memset(cmd->cmnd, 0, cmd->cmd_len);
 	cmd->cmnd[0] = ZBC_OUT;
 	cmd->cmnd[1] = ZO_RESET_WRITE_POINTER;
-	put_unaligned_be64(block, &cmd->cmnd[2]);
+	if (all)
+		cmd->cmnd[14] = 0x1;
+	else
+		put_unaligned_be64(block, &cmd->cmnd[2]);
 
 	rq->timeout = SD_TIMEOUT;
 	cmd->sc_data_direction = DMA_NONE;
@@ -261,6 +265,7 @@ void sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
 
 	switch (req_op(rq)) {
 	case REQ_OP_ZONE_RESET:
+	case REQ_OP_ZONE_RESET_ALL:
 
 		if (result &&
 		    sshdr->sense_key == ILLEGAL_REQUEST &&
@@ -487,6 +492,9 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf)
 	/* The drive satisfies the kernel restrictions: set it up */
 	blk_queue_chunk_sectors(sdkp->disk->queue,
 			logical_to_sectors(sdkp->device, zone_blocks));
+	blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, sdkp->disk->queue);
+	blk_queue_required_elevator_features(sdkp->disk->queue,
+					     ELEVATOR_F_ZBD_SEQ_WRITE);
 	nr_zones = round_up(sdkp->capacity, zone_blocks) >> ilog2(zone_blocks);
 
 	/* READ16/WRITE16 is mandatory for ZBC disks */