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From: luojiaxing <luojiaxing@huawei.com>
To: Hannes Reinecke <hare@suse.de>,
	"Martin K. Petersen" <martin.petersen@oracle.com>
Cc: James Bottomley <james.bottomley@hansenpartnership.com>,
	Christoph Hellwig <hch@lst.de>,
	John Garry <john.garry@huawei.com>, <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH 26/31] scsi: libsas,hisi_sas,mvsas,pm8001: Allocate Scsi_cmd for slow task
Date: Tue, 9 Mar 2021 19:22:46 +0800	[thread overview]
Message-ID: <9387eb39-b457-177a-c271-837641d19691@huawei.com> (raw)
In-Reply-To: <20210222132405.91369-27-hare@suse.de>

Hi, Hannes, john


I found some tiny coding issues of this patch. check below.

And if someone else have already point out, please ignore.


On 2021/2/22 21:24, Hannes Reinecke wrote:
> From: John Garry <john.garry@huawei.com>
>
> Allocate a Scsi_cmd for SAS slow tasks, so they can be accounted for in
> the blk-mq layer.
>
> Signed-off-by: John Garry <john.garry@huawei.com>
> Signed-off-by: Hannes Reinecke <hare@suse.de>
> ---
>   drivers/scsi/hisi_sas/hisi_sas_main.c | 56 ++++++++++++++++--------
>   drivers/scsi/libsas/sas_expander.c    |  7 ++-
>   drivers/scsi/libsas/sas_init.c        | 61 ++++++++++++++++++++++++---
>   drivers/scsi/mvsas/mv_sas.c           |  5 ++-
>   drivers/scsi/pm8001/pm8001_hwi.c      |  9 +++-
>   drivers/scsi/pm8001/pm8001_sas.c      | 39 +++++++++++------
>   drivers/scsi/pm8001/pm80xx_hwi.c      |  9 +++-
>   include/scsi/libsas.h                 |  8 +++-
>   8 files changed, 148 insertions(+), 46 deletions(-)
>
> diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
> index a979edfd9a78..6a69a90a1b82 100644
> --- a/drivers/scsi/hisi_sas/hisi_sas_main.c
> +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
> @@ -15,6 +15,7 @@ static int hisi_sas_debug_issue_ssp_tmf(struct domain_device *device,
>   static int
>   hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
>   			     struct domain_device *device,
> +			     struct scsi_lun *lun,
>   			     int abort_flag, int tag);
>   static int hisi_sas_softreset_ata_disk(struct domain_device *device);
>   static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
> @@ -1055,15 +1056,17 @@ static void hisi_sas_dev_gone(struct domain_device *device)
>   	struct hisi_sas_device *sas_dev = device->lldd_dev;
>   	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
>   	struct device *dev = hisi_hba->dev;
> +	struct scsi_lun lun;
>   	int ret = 0;
>   
>   	dev_info(dev, "dev[%d:%x] is gone\n",
>   		 sas_dev->device_id, sas_dev->dev_type);
>   
>   	down(&hisi_hba->sem);
> +	int_to_scsilun(0, &lun);
>   	if (!test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) {
>   		hisi_sas_internal_task_abort(hisi_hba, device,
> -					     HISI_SAS_INT_ABT_DEV, 0);
> +				&lun, HISI_SAS_INT_ABT_DEV, 0);
>   
>   		hisi_sas_dereg_device(hisi_hba, device);
>   
> @@ -1191,12 +1194,21 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device,
>   {
>   	struct hisi_sas_device *sas_dev = device->lldd_dev;
>   	struct hisi_hba *hisi_hba = sas_dev->hisi_hba;
> +	struct sas_ha_struct *sha = &hisi_hba->sha;
>   	struct device *dev = hisi_hba->dev;
>   	struct sas_task *task;
>   	int res, retry;
>   
>   	for (retry = 0; retry < TASK_RETRY; retry++) {
> -		task = sas_alloc_slow_task(GFP_KERNEL);
> +		struct scsilun lun;


This should be "struct scsi_lun lun"


> +
> +		int_to_scsilun(0, &lun);
> +		if (!dev_is_sata) {


should be " if (!dev_is_sata(device)) "


> +			struct sas_ssp_task ssp_task = parameter;


And I think it should be

const struct sas_ssp_task *ssp_task = parameter;


> +
> +			memcpy(lun.scsi_lun, ssp_task.LUN, 8);


  memcpy(lun.scsi_lun, ssp_task->LUN, 8);


> +		}
> +		task = sas_alloc_slow_task(sha, device, &lun, GFP_KERNEL);
>   		if (!task)
>   			return -ENOMEM;
>   
> @@ -1494,7 +1506,9 @@ static void hisi_sas_terminate_stp_reject(struct hisi_hba *hisi_hba)
>   {
>   	struct device *dev = hisi_hba->dev;
>   	int port_no, rc, i;
> +	struct scsi_lun lun;
>   
> +	int_to_scsilun(0, &lun);
>   	for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
>   		struct hisi_sas_device *sas_dev = &hisi_hba->devices[i];
>   		struct domain_device *device = sas_dev->sas_device;
> @@ -1503,7 +1517,7 @@ static void hisi_sas_terminate_stp_reject(struct hisi_hba *hisi_hba)
>   			continue;
>   
>   		rc = hisi_sas_internal_task_abort(hisi_hba, device,
> -						  HISI_SAS_INT_ABT_DEV, 0);
> +				&lun, HISI_SAS_INT_ABT_DEV, 0);
>   		if (rc < 0)
>   			dev_err(dev, "STP reject: abort dev failed %d\n", rc);
>   	}
> @@ -1653,7 +1667,7 @@ static int hisi_sas_abort_task(struct sas_task *task)
>   						  &tmf_task);
>   
>   		rc2 = hisi_sas_internal_task_abort(hisi_hba, device,
> -						   HISI_SAS_INT_ABT_CMD, tag);
> +				&lun, HISI_SAS_INT_ABT_CMD, tag);
>   		if (rc2 < 0) {
>   			dev_err(dev, "abort task: internal abort (%d)\n", rc2);
>   			return TMF_RESP_FUNC_FAILED;
> @@ -1673,9 +1687,9 @@ static int hisi_sas_abort_task(struct sas_task *task)
>   	} else if (task->task_proto & SAS_PROTOCOL_SATA ||
>   		task->task_proto & SAS_PROTOCOL_STP) {
>   		if (task->dev->dev_type == SAS_SATA_DEV) {
> +			int_to_scsilun(0, &lun);
>   			rc = hisi_sas_internal_task_abort(hisi_hba, device,
> -							  HISI_SAS_INT_ABT_DEV,
> -							  0);
> +					&lun, HISI_SAS_INT_ABT_DEV, 0);
>   			if (rc < 0) {
>   				dev_err(dev, "abort task: internal abort failed\n");
>   				goto out;
> @@ -1689,8 +1703,9 @@ static int hisi_sas_abort_task(struct sas_task *task)
>   		u32 tag = slot->idx;
>   		struct hisi_sas_cq *cq = &hisi_hba->cq[slot->dlvry_queue];
>   
> +		int_to_scsilun(0, &lun);
>   		rc = hisi_sas_internal_task_abort(hisi_hba, device,
> -						  HISI_SAS_INT_ABT_CMD, tag);
> +				&lun, HISI_SAS_INT_ABT_CMD, tag);
>   		if (((rc < 0) || (rc == TMF_RESP_FUNC_FAILED)) &&
>   					task->lldd_task) {
>   			/*
> @@ -1716,7 +1731,7 @@ static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun)
>   	int rc;
>   
>   	rc = hisi_sas_internal_task_abort(hisi_hba, device,
> -					  HISI_SAS_INT_ABT_DEV, 0);
> +			(struct scsi_lun *)lun, HISI_SAS_INT_ABT_DEV, 0);
>   	if (rc < 0) {
>   		dev_err(dev, "abort task set: internal abort rc=%d\n", rc);
>   		return TMF_RESP_FUNC_FAILED;
> @@ -1804,10 +1819,12 @@ static int hisi_sas_I_T_nexus_reset(struct domain_device *device)
>   {
>   	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
>   	struct device *dev = hisi_hba->dev;
> +	struct scsi_lun lun;
>   	int rc;
>   
> +	int_to_scsilun(0, &lun);
>   	rc = hisi_sas_internal_task_abort(hisi_hba, device,
> -					  HISI_SAS_INT_ABT_DEV, 0);
> +			&lun, HISI_SAS_INT_ABT_DEV, 0);
>   	if (rc < 0) {
>   		dev_err(dev, "I_T nexus reset: internal abort (%d)\n", rc);
>   		return TMF_RESP_FUNC_FAILED;
> @@ -1837,7 +1854,7 @@ static int hisi_sas_lu_reset(struct domain_device *device, u8 *lun)
>   
>   	/* Clear internal IO and then lu reset */
>   	rc = hisi_sas_internal_task_abort(hisi_hba, device,
> -					  HISI_SAS_INT_ABT_DEV, 0);
> +			(struct scsi_lun *)lun, HISI_SAS_INT_ABT_DEV, 0);
>   	if (rc < 0) {
>   		dev_err(dev, "lu_reset: internal abort failed\n");
>   		goto out;
> @@ -2018,6 +2035,7 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
>    * abort command for single IO command or a device
>    * @hisi_hba: host controller struct
>    * @device: domain device
> + * @lun: logical unit number
>    * @abort_flag: mode of operation, device or single IO
>    * @tag: tag of IO to be aborted (only relevant to single
>    *       IO mode)
> @@ -2025,12 +2043,15 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
>    */
>   static int
>   _hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
> -			      struct domain_device *device, int abort_flag,
> -			      int tag, struct hisi_sas_dq *dq)
> +			      struct domain_device *device,
> +			      struct scsi_lun *lun,
> +			      int abort_flag, int tag,
> +			      struct hisi_sas_dq *dq)
>   {
> -	struct sas_task *task;
>   	struct hisi_sas_device *sas_dev = device->lldd_dev;
> +	struct sas_ha_struct *sha = &hisi_hba->sha;
>   	struct device *dev = hisi_hba->dev;
> +	struct sas_task *task;
>   	int res;
>   
>   	/*
> @@ -2042,7 +2063,8 @@ _hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
>   	if (!hisi_hba->hw->prep_abort)
>   		return TMF_RESP_FUNC_FAILED;
>   
> -	task = sas_alloc_slow_task(GFP_KERNEL);
> +	task = sas_alloc_slow_task(sha, device,
> +				   (struct scsi_lun *)lun, GFP_KERNEL);
>   	if (!task)
>   		return -ENOMEM;
>   
> @@ -2115,6 +2137,7 @@ _hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
>   static int
>   hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
>   			     struct domain_device *device,
> +			     struct scsi_lun *lun,
>   			     int abort_flag, int tag)
>   {
>   	struct hisi_sas_slot *slot;
> @@ -2127,7 +2150,7 @@ hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
>   		slot = &hisi_hba->slot_info[tag];
>   		dq = &hisi_hba->dq[slot->dlvry_queue];
>   		return _hisi_sas_internal_task_abort(hisi_hba, device,
> -						     abort_flag, tag, dq);
> +				lun, abort_flag, tag, dq);
>   	case HISI_SAS_INT_ABT_DEV:
>   		for (i = 0; i < hisi_hba->cq_nvecs; i++) {
>   			struct hisi_sas_cq *cq = &hisi_hba->cq[i];
> @@ -2137,8 +2160,7 @@ hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
>   				continue;
>   			dq = &hisi_hba->dq[i];
>   			rc = _hisi_sas_internal_task_abort(hisi_hba, device,
> -							   abort_flag, tag,
> -							   dq);
> +					lun, abort_flag, tag, dq);
>   			if (rc)
>   				return rc;
>   		}
> diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
> index 8d6bcc19359f..9e4a7c85a037 100644
> --- a/drivers/scsi/libsas/sas_expander.c
> +++ b/drivers/scsi/libsas/sas_expander.c
> @@ -56,9 +56,12 @@ static int smp_execute_task_sg(struct domain_device *dev,
>   {
>   	int res, retry;
>   	struct sas_task *task = NULL;
> +	struct sas_ha_struct *ha = dev->port->ha;
>   	struct sas_internal *i =
> -		to_sas_internal(dev->port->ha->core.shost->transportt);
> +		to_sas_internal(ha->core.shost->transportt);
> +	struct scsi_lun lun;
>   
> +	int_to_scsilun(0, &lun);
>   	mutex_lock(&dev->ex_dev.cmd_mutex);
>   	for (retry = 0; retry < 3; retry++) {
>   		if (test_bit(SAS_DEV_GONE, &dev->state)) {
> @@ -66,7 +69,7 @@ static int smp_execute_task_sg(struct domain_device *dev,
>   			break;
>   		}
>   
> -		task = sas_alloc_slow_task(GFP_KERNEL);
> +		task = sas_alloc_slow_task(ha, dev, &lun, GFP_KERNEL);
>   		if (!task) {
>   			res = -ENOMEM;
>   			break;
> diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
> index 2b0f98ca6ec3..9d0448b76a2f 100644
> --- a/drivers/scsi/libsas/sas_init.c
> +++ b/drivers/scsi/libsas/sas_init.c
> @@ -14,6 +14,7 @@
>   #include <scsi/sas_ata.h>
>   #include <scsi/scsi_host.h>
>   #include <scsi/scsi_device.h>
> +#include <scsi/scsi_tcq.h>
>   #include <scsi/scsi_transport.h>
>   #include <scsi/scsi_transport_sas.h>
>   
> @@ -37,16 +38,36 @@ struct sas_task *sas_alloc_task(gfp_t flags)
>   }
>   EXPORT_SYMBOL_GPL(sas_alloc_task);
>   
> -struct sas_task *sas_alloc_slow_task(gfp_t flags)
> +struct sas_task *sas_alloc_slow_task(struct sas_ha_struct *ha,
> +				     struct domain_device *dev,
> +				     struct scsi_lun *lun, gfp_t flags)
>   {
>   	struct sas_task *task = sas_alloc_task(flags);
> -	struct sas_task_slow *slow = kmalloc(sizeof(*slow), flags);
> +	struct Scsi_Host *shost = ha->core.shost;
> +	struct sas_task_slow *slow;
>   
> -	if (!task || !slow) {
> -		if (task)
> -			kmem_cache_free(sas_task_cache, task);
> -		kfree(slow);
> +	if (!task)
>   		return NULL;
> +
> +	slow = kzalloc(sizeof(*slow), flags);
> +	if (!slow)
> +		goto out_err_slow;
> +
> +	if (shost->nr_reserved_cmds) {
> +		struct scsi_device *sdev;
> +
> +		if (dev && dev->starget) {
> +			sdev = scsi_device_lookup_by_target(dev->starget,
> +						    scsilun_to_int(lun));
> +			if (!sdev)
> +				goto out_err_scmd;
> +		} else
> +			sdev = ha->core.shost_dev;
> +		slow->scmd = scsi_get_internal_cmd(sdev, DMA_BIDIRECTIONAL,
> +						   REQ_NOWAIT);
> +		if (!slow->scmd)
> +			goto out_err_scmd;
> +		ASSIGN_SAS_TASK(slow->scmd, task);
>   	}
>   
>   	task->slow_task = slow;
> @@ -55,13 +76,31 @@ struct sas_task *sas_alloc_slow_task(gfp_t flags)
>   	init_completion(&slow->completion);
>   
>   	return task;
> +
> +out_err_scmd:
> +	kfree(slow);
> +out_err_slow:
> +	kmem_cache_free(sas_task_cache, task);
> +	return NULL;
>   }
>   EXPORT_SYMBOL_GPL(sas_alloc_slow_task);
>   
>   void sas_free_task(struct sas_task *task)
>   {
>   	if (task) {
> -		kfree(task->slow_task);
> +		/*
> +		 * It could be good to just introduce separate sas_free_slow_task() to
> +		 * avoid the following in the fastpath.
> +		 */
> +		if (task->slow_task) {
> +			struct scsi_cmnd *scmd = task->slow_task->scmd;
> +
> +			if (scmd) {
> +				ASSIGN_SAS_TASK(scmd, NULL);
> +				scsi_put_internal_cmd(scmd);
> +			}
> +			kfree(task->slow_task);
> +		}
>   		kmem_cache_free(sas_task_cache, task);
>   	}
>   }
> @@ -95,6 +134,7 @@ void sas_hash_addr(u8 *hashed, const u8 *sas_addr)
>   
>   int sas_register_ha(struct sas_ha_struct *sas_ha)
>   {
> +	struct Scsi_Host *shost = sas_ha->core.shost;
>   	char name[64];
>   	int error = 0;
>   
> @@ -111,6 +151,13 @@ int sas_register_ha(struct sas_ha_struct *sas_ha)
>   
>   	sas_ha->event_thres = SAS_PHY_SHUTDOWN_THRES;
>   
> +	if (shost->nr_reserved_cmds) {
> +		sas_ha->core.shost_dev = scsi_get_host_dev(shost);
> +		if (!sas_ha->core.shost_dev) {
> +			pr_notice("couldn't register sas host device\n");
> +			return -ENOMEM;
> +		}
> +	}
>   	error = sas_register_phys(sas_ha);
>   	if (error) {
>   		pr_notice("couldn't register sas phys:%d\n", error);
> diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
> index 543b435f4c8c..99bdb88b3e86 100644
> --- a/drivers/scsi/mvsas/mv_sas.c
> +++ b/drivers/scsi/mvsas/mv_sas.c
> @@ -1278,13 +1278,16 @@ static int mvs_exec_internal_tmf_task(struct domain_device *dev,
>   				      u8 *lun, struct mvs_tmf_task *tmf)
>   {
>   	int res, retry;
> +	struct sas_ha_struct *ha = dev->port->ha;
>   	struct sas_task *task = NULL;
> +	struct scsi_lun scsilun;
>   
>   	if (!(dev->tproto & SAS_PROTOCOL_SSP))
>   		return TMF_RESP_FUNC_ESUPP;
>   
> +	memcpy(scsilun.scsi_lun, lun, 8);
>   	for (retry = 0; retry < 3; retry++) {
> -		task = sas_alloc_slow_task(GFP_KERNEL);
> +		task = sas_alloc_slow_task(ha, dev, &scsilun, GFP_KERNEL);
>   		if (!task)
>   			return -ENOMEM;
>   
> diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
> index 3998fcd69acb..105962b0c815 100644
> --- a/drivers/scsi/pm8001/pm8001_hwi.c
> +++ b/drivers/scsi/pm8001/pm8001_hwi.c
> @@ -1701,6 +1701,7 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,
>   	struct task_abort_req task_abort;
>   	struct inbound_queue_table *circularQ;
>   	u32 opc = OPC_INB_SATA_ABORT;
> +	struct scsi_lun lun;
>   	int ret;
>   
>   	if (!pm8001_ha_dev) {
> @@ -1708,7 +1709,9 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,
>   		return;
>   	}
>   
> -	task = sas_alloc_slow_task(GFP_ATOMIC);
> +	int_to_scsilun(0, &lun);
> +	task = sas_alloc_slow_task(pm8001_ha->sas, pm8001_ha_dev->sas_device,
> +				   &lun, GFP_ATOMIC);
>   
>   	if (!task) {
>   		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
> @@ -1752,8 +1755,10 @@ static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha,
>   	struct domain_device *dev = pm8001_ha_dev->sas_device;
>   	struct inbound_queue_table *circularQ;
>   	u32 opc = OPC_INB_SATA_HOST_OPSTART;
> +	struct scsi_lun lun;;
>   
> -	task = sas_alloc_slow_task(GFP_ATOMIC);
> +	int_to_scsilun(0, &lun);
> +	task = sas_alloc_slow_task(pm8001_ha->sas, dev, &lun, GFP_ATOMIC);
>   
>   	if (!task) {
>   		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n");
> diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
> index 01e91347eb41..b1f12d671611 100644
> --- a/drivers/scsi/pm8001/pm8001_sas.c
> +++ b/drivers/scsi/pm8001/pm8001_sas.c
> @@ -717,7 +717,9 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev,
>   		return TMF_RESP_FUNC_ESUPP;
>   
>   	for (retry = 0; retry < 3; retry++) {
> -		task = sas_alloc_slow_task(GFP_KERNEL);
> +		task = sas_alloc_slow_task(pm8001_ha->sas,
> +					   pm8001_dev->sas_device,
> +					   (struct scsi_lun *)lun, GFP_KERNEL);
>   		if (!task)
>   			return -ENOMEM;
>   
> @@ -791,7 +793,7 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev,
>   
>   static int
>   pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha,
> -	struct pm8001_device *pm8001_dev, u32 flag,
> +	struct pm8001_device *pm8001_dev, u8 *lun, u32 flag,
>   	u32 task_tag)
>   {
>   	struct domain_device *dev = pm8001_dev->sas_device;
> @@ -801,7 +803,8 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha,
>   	struct sas_task *task = NULL;
>   
>   	for (retry = 0; retry < 3; retry++) {
> -		task = sas_alloc_slow_task(GFP_KERNEL);
> +		task = sas_alloc_slow_task(pm8001_ha->sas, dev,
> +					   (struct scsi_lun *)lun, GFP_KERNEL);
>   		if (!task)
>   			return -ENOMEM;
>   
> @@ -875,13 +878,15 @@ static void pm8001_dev_gone_notify(struct domain_device *dev)
>   	spin_lock_irqsave(&pm8001_ha->lock, flags);
>   	if (pm8001_dev) {
>   		u32 device_id = pm8001_dev->device_id;
> +		struct scsi_lun lun;
>   
> +		int_to_scsilun(0, &lun);
>   		pm8001_dbg(pm8001_ha, DISC, "found dev[%d:%x] is gone.\n",
>   			   pm8001_dev->device_id, pm8001_dev->dev_type);
>   		if (atomic_read(&pm8001_dev->running_req)) {
>   			spin_unlock_irqrestore(&pm8001_ha->lock, flags);
>   			pm8001_exec_internal_task_abort(pm8001_ha,
> -				pm8001_dev, 1, 0);
> +				pm8001_dev, lun.scsi_lun, 1, 0);
>   			while (atomic_read(&pm8001_dev->running_req))
>   				msleep(20);
>   			spin_lock_irqsave(&pm8001_ha->lock, flags);
> @@ -991,6 +996,9 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev)
>   	phy = sas_get_local_phy(dev);
>   
>   	if (dev_is_sata(dev)) {
> +		struct scsi_lun lun;
> +
> +		int_to_scsilun(0, &lun);
>   		if (scsi_is_sas_phy_local(phy)) {
>   			rc = 0;
>   			goto out;
> @@ -1005,7 +1013,7 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev)
>   		}
>   		msleep(2000);
>   		rc = pm8001_exec_internal_task_abort(pm8001_ha,
> -			pm8001_dev, 1, 0);
> +			pm8001_dev, lun.scsi_lun, 1, 0);
>   		if (rc) {
>   			pm8001_dbg(pm8001_ha, EH, "task abort failed %x\n"
>   				   "with rc %d\n", pm8001_dev->device_id, rc);
> @@ -1032,7 +1040,9 @@ int pm8001_I_T_nexus_event_handler(struct domain_device *dev)
>   	struct pm8001_device *pm8001_dev;
>   	struct pm8001_hba_info *pm8001_ha;
>   	struct sas_phy *phy;
> +	struct scsi_lun lun;
>   
> +	int_to_scsilun(0, &lun);
>   	if (!dev || !dev->lldd_dev)
>   		return -1;
>   
> @@ -1051,7 +1061,7 @@ int pm8001_I_T_nexus_event_handler(struct domain_device *dev)
>   		}
>   		/* send internal ssp/sata/smp abort command to FW */
>   		rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev,
> -						     1, 0);
> +						     lun.scsi_lun, 1, 0);
>   		msleep(100);
>   
>   		/* deregister the target device */
> @@ -1067,7 +1077,7 @@ int pm8001_I_T_nexus_event_handler(struct domain_device *dev)
>   	} else {
>   		/* send internal ssp/sata/smp abort command to FW */
>   		rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev,
> -						     1, 0);
> +						     lun.scsi_lun, 1, 0);
>   		msleep(100);
>   
>   		/* deregister the target device */
> @@ -1095,8 +1105,8 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun)
>   	DECLARE_COMPLETION_ONSTACK(completion_setstate);
>   	if (dev_is_sata(dev)) {
>   		struct sas_phy *phy = sas_get_local_phy(dev);
> -		rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev,
> -			1, 0);
> +		rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev ,
> +			lun, 1, 0);
>   		rc = sas_phy_reset(phy, 1);
>   		sas_put_local_phy(phy);
>   		pm8001_dev->setds_completion = &completion_setstate;
> @@ -1211,9 +1221,10 @@ int pm8001_abort_task(struct sas_task *task)
>   						   &tmf_task);
>   		if (rc == TMF_RESP_FUNC_SUCC)
>   			pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev,
> -				0, tag);
> +				lun.scsi_lun, 0, tag);
>   	} else if (task->task_proto & SAS_PROTOCOL_SATA ||
>   		task->task_proto & SAS_PROTOCOL_STP) {
> +		memset(lun.scsi_lun, 0, sizeof(lun.scsi_lun));
>   		if (pm8001_ha->chip_id == chip_8006) {
>   			DECLARE_COMPLETION_ONSTACK(completion_reset);
>   			DECLARE_COMPLETION_ONSTACK(completion);
> @@ -1280,7 +1291,7 @@ int pm8001_abort_task(struct sas_task *task)
>   			 * going to free the task.
>   			 */
>   			ret = pm8001_exec_internal_task_abort(pm8001_ha,
> -				pm8001_dev, 1, tag);
> +				pm8001_dev, lun.scsi_lun, 1, tag);
>   			if (ret)
>   				goto out;
>   			ret = wait_for_completion_timeout(
> @@ -1297,13 +1308,15 @@ int pm8001_abort_task(struct sas_task *task)
>   			wait_for_completion(&completion);
>   		} else {
>   			rc = pm8001_exec_internal_task_abort(pm8001_ha,
> -				pm8001_dev, 0, tag);
> +				pm8001_dev, lun.scsi_lun, 0, tag);
>   		}
>   		rc = TMF_RESP_FUNC_COMPLETE;
>   	} else if (task->task_proto & SAS_PROTOCOL_SMP) {
>   		/* SMP */
> +
> +		int_to_scsilun(0, &lun);
>   		rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev,
> -			0, tag);
> +			lun.scsi_lun, 0, tag);
>   
>   	}
>   out:
> diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
> index bc1929b230c4..03bfb4d72895 100644
> --- a/drivers/scsi/pm8001/pm80xx_hwi.c
> +++ b/drivers/scsi/pm8001/pm80xx_hwi.c
> @@ -1772,6 +1772,7 @@ static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
>   	struct task_abort_req task_abort;
>   	struct inbound_queue_table *circularQ;
>   	u32 opc = OPC_INB_SATA_ABORT;
> +	struct scsi_lun lun;
>   	int ret;
>   
>   	if (!pm8001_ha_dev) {
> @@ -1779,7 +1780,9 @@ static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
>   		return;
>   	}
>   
> -	task = sas_alloc_slow_task(GFP_ATOMIC);
> +	int_to_scsilun(0, &lun);
> +	task = sas_alloc_slow_task(pm8001_ha->sas,pm8001_ha_dev->sas_device,
> +				   &lun, GFP_ATOMIC);
>   
>   	if (!task) {
>   		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
> @@ -1827,8 +1830,10 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
>   	struct domain_device *dev = pm8001_ha_dev->sas_device;
>   	struct inbound_queue_table *circularQ;
>   	u32 opc = OPC_INB_SATA_HOST_OPSTART;
> +	struct scsi_lun lun;
>   
> -	task = sas_alloc_slow_task(GFP_ATOMIC);
> +	int_to_scsilun(0, &lun);
> +	task = sas_alloc_slow_task(pm8001_ha->sas, dev, &lun, GFP_ATOMIC);
>   
>   	if (!task) {
>   		pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n");
> diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
> index 3a024eced38c..9b8c06a8329a 100644
> --- a/include/scsi/libsas.h
> +++ b/include/scsi/libsas.h
> @@ -349,7 +349,7 @@ struct asd_sas_phy {
>   
>   struct scsi_core {
>   	struct Scsi_Host *shost;
> -
> +	struct scsi_device *shost_dev;
>   };
>   
>   enum sas_ha_state {
> @@ -605,6 +605,7 @@ struct sas_task_slow {
>   	struct timer_list     timer;
>   	struct completion     completion;
>   	struct sas_task       *task;
> +	struct scsi_cmnd      *scmd;
>   };
>   
>   #define SAS_TASK_STATE_PENDING      1
> @@ -614,7 +615,10 @@ struct sas_task_slow {
>   #define SAS_TASK_AT_INITIATOR       16
>   
>   extern struct sas_task *sas_alloc_task(gfp_t flags);
> -extern struct sas_task *sas_alloc_slow_task(gfp_t flags);
> +extern struct sas_task *sas_alloc_slow_task(struct sas_ha_struct *ha,
> +					    struct domain_device *dev,
> +					    struct scsi_lun *lun,
> +					    gfp_t flags);
>   extern void sas_free_task(struct sas_task *task);
>   
>   struct sas_domain_function_template {


  reply	other threads:[~2021-03-09 11:23 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-22 13:23 [PATCHv7 00/31] scsi: enable reserved commands for LLDDs Hannes Reinecke
2021-02-22 13:23 ` [PATCH 01/31] block: add flag for internal commands Hannes Reinecke
2021-02-22 13:23 ` [PATCH 02/31] scsi: add scsi_{get,put}_internal_cmd() helper Hannes Reinecke
2021-02-24 12:12   ` John Garry
2021-02-22 13:23 ` [PATCH 03/31] fnic: use internal commands Hannes Reinecke
2021-02-22 13:23 ` [PATCH 04/31] fnic: use scsi_host_busy_iter() to traverse commands Hannes Reinecke
2021-02-22 13:23 ` [PATCH 05/31] fnic: check for started requests in fnic_wq_copy_cleanup_handler() Hannes Reinecke
2021-02-22 13:23 ` [PATCH 06/31] scsi: use real inquiry data when initialising devices Hannes Reinecke
2021-02-22 13:23 ` [PATCH 07/31] scsi: Use dummy inquiry data for the host device Hannes Reinecke
2021-02-22 13:23 ` [PATCH 08/31] scsi: revamp host device handling Hannes Reinecke
2021-02-24 13:12   ` John Garry
2021-02-24 14:24     ` Hannes Reinecke
2021-02-24 14:31       ` John Garry
2021-02-24 14:35         ` Hannes Reinecke
2021-02-22 13:23 ` [PATCH 09/31] snic: use reserved commands Hannes Reinecke
2021-02-22 13:23 ` [PATCH 10/31] snic: use tagset iter for traversing commands Hannes Reinecke
2021-02-22 13:23 ` [PATCH 11/31] snic: check for started requests in snic_hba_reset_cmpl_handler() Hannes Reinecke
2021-02-22 13:23 ` [PATCH 12/31] scsi: implement reserved command handling Hannes Reinecke
2021-02-22 13:23 ` [PATCH 13/31] hpsa: move hpsa_hba_inquiry after scsi_add_host() Hannes Reinecke
2021-02-22 13:23 ` [PATCH 14/31] hpsa: use reserved commands Hannes Reinecke
2021-03-11 22:03   ` michael.christie
2021-05-03  9:36     ` Hannes Reinecke
2021-02-22 13:23 ` [PATCH 15/31] hpsa: use scsi_host_busy_iter() to traverse outstanding commands Hannes Reinecke
2021-02-22 13:23 ` [PATCH 16/31] hpsa: drop refcount field from CommandList Hannes Reinecke
2021-02-22 13:23 ` [PATCH 17/31] aacraid: move scsi_add_host() Hannes Reinecke
2021-02-22 13:23 ` [PATCH 18/31] aacraid: store target id in host_scribble Hannes Reinecke
2021-02-22 13:23 ` [PATCH 19/31] aacraid: use scsi_get_internal_cmd() Hannes Reinecke
2021-02-22 13:23 ` [PATCH 20/31] aacraid: use scsi_host_busy_iter() to traverse outstanding commands Hannes Reinecke
2021-02-22 13:23 ` [PATCH 21/31] mv_sas: kill mvsas_debug_issue_ssp_tmf() Hannes Reinecke
2021-02-22 13:23 ` [PATCH 22/31] pm8001: kill pm8001_issue_ssp_tmf() Hannes Reinecke
2021-02-22 13:23 ` [PATCH 23/31] pm8001: kill 'dev' argument from pm8001_exec_internal_task_abort() Hannes Reinecke
2021-02-22 13:23 ` [PATCH 24/31] pm8001: use libsas-provided domain devices for SATA Hannes Reinecke
2021-02-22 13:23 ` [PATCH 25/31] libsas: add SCSI target pointer to struct domain_device Hannes Reinecke
2021-02-22 13:24 ` [PATCH 26/31] scsi: libsas,hisi_sas,mvsas,pm8001: Allocate Scsi_cmd for slow task Hannes Reinecke
2021-03-09 11:22   ` luojiaxing [this message]
2021-03-09 14:05     ` John Garry
2021-03-11  8:51       ` luojiaxing
2021-02-22 13:24 ` [PATCH 27/31] libsas: add tag to struct sas_task Hannes Reinecke
2021-02-22 13:24 ` [PATCH 28/31] scsi: hisi_sas: Use libsas slow task SCSI command Hannes Reinecke
2021-02-22 13:24 ` [PATCH 29/31] hisi_sas: use task tag to reference the slot Hannes Reinecke
2021-03-10  1:54   ` luojiaxing
2021-02-22 13:24 ` [PATCH 30/31] mv_sas: use reserved tags and drop private tag allocation Hannes Reinecke
2021-02-22 13:24 ` [PATCH 31/31] pm8001: use block-layer tags for ccb allocation Hannes Reinecke
2021-02-23 12:31   ` John Garry
2021-02-23 10:16 ` [PATCHv7 00/31] scsi: enable reserved commands for LLDDs John Garry
2021-02-23 17:50   ` John Garry
2021-02-24  6:54     ` Hannes Reinecke
2021-02-24  8:55       ` John Garry
2021-03-06 15:11 ` Don.Brace
2021-03-16 17:57   ` Don.Brace
2021-03-29 21:47     ` Don.Brace
2021-03-11 23:53 ` michael.christie
2021-03-12 16:08   ` Hannes Reinecke
2021-03-17 17:09     ` John Garry

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