From: Tyrel Datwyler <tyreld@linux.ibm.com> To: james.bottomley@hansenpartnership.com Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, brking@linux.ibm.com, Tyrel Datwyler <tyreld@linux.ibm.com> Subject: [PATCH v4 21/21] ibmvfc: provide modules parameters for MQ settings Date: Mon, 11 Jan 2021 17:12:25 -0600 [thread overview] Message-ID: <20210111231225.105347-22-tyreld@linux.ibm.com> (raw) In-Reply-To: <20210111231225.105347-1-tyreld@linux.ibm.com> Add the various module parameter toggles for adjusting the MQ characteristics at boot/load time as well as a device attribute for changing the client scsi channel request amount. Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com> --- drivers/scsi/ibmvscsi/ibmvfc.c | 75 ++++++++++++++++++++++++++++++---- 1 file changed, 66 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index b413f5da71ce..6a64735d9652 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -40,6 +40,12 @@ static unsigned int disc_threads = IBMVFC_MAX_DISC_THREADS; static unsigned int ibmvfc_debug = IBMVFC_DEBUG; static unsigned int log_level = IBMVFC_DEFAULT_LOG_LEVEL; static unsigned int cls3_error = IBMVFC_CLS3_ERROR; +static unsigned int mq_enabled = IBMVFC_MQ; +static unsigned int nr_scsi_hw_queues = IBMVFC_SCSI_HW_QUEUES; +static unsigned int nr_scsi_channels = IBMVFC_SCSI_CHANNELS; +static unsigned int mig_channels_only = IBMVFC_MIG_NO_SUB_TO_CRQ; +static unsigned int mig_no_less_channels = IBMVFC_MIG_NO_N_TO_M; + static LIST_HEAD(ibmvfc_head); static DEFINE_SPINLOCK(ibmvfc_driver_lock); static struct scsi_transport_template *ibmvfc_transport_template; @@ -49,6 +55,22 @@ MODULE_AUTHOR("Brian King <brking@linux.vnet.ibm.com>"); MODULE_LICENSE("GPL"); MODULE_VERSION(IBMVFC_DRIVER_VERSION); +module_param_named(mq, mq_enabled, uint, S_IRUGO); +MODULE_PARM_DESC(mq, "Enable multiqueue support. " + "[Default=" __stringify(IBMVFC_MQ) "]"); +module_param_named(scsi_host_queues, nr_scsi_hw_queues, uint, S_IRUGO); +MODULE_PARM_DESC(scsi_host_queues, "Number of SCSI Host submission queues. " + "[Default=" __stringify(IBMVFC_SCSI_HW_QUEUES) "]"); +module_param_named(scsi_hw_channels, nr_scsi_channels, uint, S_IRUGO); +MODULE_PARM_DESC(scsi_hw_channels, "Number of hw scsi channels to request. " + "[Default=" __stringify(IBMVFC_SCSI_CHANNELS) "]"); +module_param_named(mig_channels_only, mig_channels_only, uint, S_IRUGO); +MODULE_PARM_DESC(mig_channels_only, "Prevent migration to non-channelized system. " + "[Default=" __stringify(IBMVFC_MIG_NO_SUB_TO_CRQ) "]"); +module_param_named(mig_no_less_channels, mig_no_less_channels, uint, S_IRUGO); +MODULE_PARM_DESC(mig_no_less_channels, "Prevent migration to system with less channels. " + "[Default=" __stringify(IBMVFC_MIG_NO_N_TO_M) "]"); + module_param_named(init_timeout, init_timeout, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(init_timeout, "Initialization timeout in seconds. " "[Default=" __stringify(IBMVFC_INIT_TIMEOUT) "]"); @@ -926,7 +948,7 @@ static int ibmvfc_reset_crq(struct ibmvfc_host *vhost) crq->cur = 0; if (vhost->scsi_scrqs.scrqs) { - for (i = 0; i < IBMVFC_SCSI_HW_QUEUES; i++) { + for (i = 0; i < nr_scsi_hw_queues; i++) { scrq = &vhost->scsi_scrqs.scrqs[i]; spin_lock(scrq->q_lock); memset(scrq->msgs.scrq, 0, PAGE_SIZE); @@ -3394,6 +3416,37 @@ static ssize_t ibmvfc_store_log_level(struct device *dev, return strlen(buf); } +static ssize_t ibmvfc_show_scsi_channels(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct ibmvfc_host *vhost = shost_priv(shost); + unsigned long flags = 0; + int len; + + spin_lock_irqsave(shost->host_lock, flags); + len = snprintf(buf, PAGE_SIZE, "%d\n", vhost->client_scsi_channels); + spin_unlock_irqrestore(shost->host_lock, flags); + return len; +} + +static ssize_t ibmvfc_store_scsi_channels(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct ibmvfc_host *vhost = shost_priv(shost); + unsigned long flags = 0; + unsigned int channels; + + spin_lock_irqsave(shost->host_lock, flags); + channels = simple_strtoul(buf, NULL, 10); + vhost->client_scsi_channels = min(channels, nr_scsi_hw_queues); + ibmvfc_hard_reset_host(vhost); + spin_unlock_irqrestore(shost->host_lock, flags); + return strlen(buf); +} + static DEVICE_ATTR(partition_name, S_IRUGO, ibmvfc_show_host_partition_name, NULL); static DEVICE_ATTR(device_name, S_IRUGO, ibmvfc_show_host_device_name, NULL); static DEVICE_ATTR(port_loc_code, S_IRUGO, ibmvfc_show_host_loc_code, NULL); @@ -3402,6 +3455,8 @@ static DEVICE_ATTR(npiv_version, S_IRUGO, ibmvfc_show_host_npiv_version, NULL); static DEVICE_ATTR(capabilities, S_IRUGO, ibmvfc_show_host_capabilities, NULL); static DEVICE_ATTR(log_level, S_IRUGO | S_IWUSR, ibmvfc_show_log_level, ibmvfc_store_log_level); +static DEVICE_ATTR(nr_scsi_channels, S_IRUGO | S_IWUSR, + ibmvfc_show_scsi_channels, ibmvfc_store_scsi_channels); #ifdef CONFIG_SCSI_IBMVFC_TRACE /** @@ -3458,6 +3513,7 @@ static struct device_attribute *ibmvfc_attrs[] = { &dev_attr_npiv_version, &dev_attr_capabilities, &dev_attr_log_level, + &dev_attr_nr_scsi_channels, NULL }; @@ -4863,9 +4919,9 @@ static void ibmvfc_channel_enquiry(struct ibmvfc_host *vhost) mad->common.opcode = cpu_to_be32(IBMVFC_CHANNEL_ENQUIRY); mad->common.length = cpu_to_be16(sizeof(*mad)); - if (IBMVFC_MIG_NO_SUB_TO_CRQ) + if (mig_channels_only) mad->flags |= cpu_to_be32(IBMVFC_NO_CHANNELS_TO_CRQ_SUPPORT); - if (IBMVFC_MIG_NO_N_TO_M) + if (mig_no_less_channels) mad->flags |= cpu_to_be32(IBMVFC_NO_N_TO_M_CHANNELS_SUPPORT); ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_INIT_WAIT); @@ -5652,13 +5708,13 @@ static int ibmvfc_init_sub_crqs(struct ibmvfc_host *vhost) ENTER; - vhost->scsi_scrqs.scrqs = kcalloc(IBMVFC_SCSI_HW_QUEUES, + vhost->scsi_scrqs.scrqs = kcalloc(nr_scsi_hw_queues, sizeof(*vhost->scsi_scrqs.scrqs), GFP_KERNEL); if (!vhost->scsi_scrqs.scrqs) return -1; - for (i = 0; i < IBMVFC_SCSI_HW_QUEUES; i++) { + for (i = 0; i < nr_scsi_hw_queues; i++) { if (ibmvfc_register_scsi_channel(vhost, i)) { for (j = i; j > 0; j--) ibmvfc_deregister_scsi_channel(vhost, j - 1); @@ -5682,7 +5738,7 @@ static void ibmvfc_release_sub_crqs(struct ibmvfc_host *vhost) if (!vhost->scsi_scrqs.scrqs) return; - for (i = 0; i < IBMVFC_SCSI_HW_QUEUES; i++) + for (i = 0; i < nr_scsi_hw_queues; i++) ibmvfc_deregister_scsi_channel(vhost, i); kfree(vhost->scsi_scrqs.scrqs); @@ -5880,12 +5936,13 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id) shost->transportt = ibmvfc_transport_template; shost->can_queue = max_requests; + shost->can_queue = (max_requests / nr_scsi_hw_queues); shost->max_lun = max_lun; shost->max_id = max_targets; shost->max_sectors = IBMVFC_MAX_SECTORS; shost->max_cmd_len = IBMVFC_MAX_CDB_LEN; shost->unique_id = shost->host_no; - shost->nr_hw_queues = IBMVFC_MQ ? IBMVFC_SCSI_HW_QUEUES : 1; + shost->nr_hw_queues = mq_enabled ? nr_scsi_hw_queues : 1; vhost = shost_priv(shost); INIT_LIST_HEAD(&vhost->targets); @@ -5897,8 +5954,8 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id) vhost->log_level = log_level; vhost->task_set = 1; - vhost->mq_enabled = IBMVFC_MQ; - vhost->client_scsi_channels = IBMVFC_SCSI_CHANNELS; + vhost->mq_enabled = mq_enabled; + vhost->client_scsi_channels = min(nr_scsi_hw_queues, nr_scsi_channels); vhost->using_channels = 0; vhost->do_enquiry = 1; -- 2.27.0
WARNING: multiple messages have this Message-ID (diff)
From: Tyrel Datwyler <tyreld@linux.ibm.com> To: james.bottomley@hansenpartnership.com Cc: Tyrel Datwyler <tyreld@linux.ibm.com>, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, brking@linux.ibm.com, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v4 21/21] ibmvfc: provide modules parameters for MQ settings Date: Mon, 11 Jan 2021 17:12:25 -0600 [thread overview] Message-ID: <20210111231225.105347-22-tyreld@linux.ibm.com> (raw) In-Reply-To: <20210111231225.105347-1-tyreld@linux.ibm.com> Add the various module parameter toggles for adjusting the MQ characteristics at boot/load time as well as a device attribute for changing the client scsi channel request amount. Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com> --- drivers/scsi/ibmvscsi/ibmvfc.c | 75 ++++++++++++++++++++++++++++++---- 1 file changed, 66 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index b413f5da71ce..6a64735d9652 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -40,6 +40,12 @@ static unsigned int disc_threads = IBMVFC_MAX_DISC_THREADS; static unsigned int ibmvfc_debug = IBMVFC_DEBUG; static unsigned int log_level = IBMVFC_DEFAULT_LOG_LEVEL; static unsigned int cls3_error = IBMVFC_CLS3_ERROR; +static unsigned int mq_enabled = IBMVFC_MQ; +static unsigned int nr_scsi_hw_queues = IBMVFC_SCSI_HW_QUEUES; +static unsigned int nr_scsi_channels = IBMVFC_SCSI_CHANNELS; +static unsigned int mig_channels_only = IBMVFC_MIG_NO_SUB_TO_CRQ; +static unsigned int mig_no_less_channels = IBMVFC_MIG_NO_N_TO_M; + static LIST_HEAD(ibmvfc_head); static DEFINE_SPINLOCK(ibmvfc_driver_lock); static struct scsi_transport_template *ibmvfc_transport_template; @@ -49,6 +55,22 @@ MODULE_AUTHOR("Brian King <brking@linux.vnet.ibm.com>"); MODULE_LICENSE("GPL"); MODULE_VERSION(IBMVFC_DRIVER_VERSION); +module_param_named(mq, mq_enabled, uint, S_IRUGO); +MODULE_PARM_DESC(mq, "Enable multiqueue support. " + "[Default=" __stringify(IBMVFC_MQ) "]"); +module_param_named(scsi_host_queues, nr_scsi_hw_queues, uint, S_IRUGO); +MODULE_PARM_DESC(scsi_host_queues, "Number of SCSI Host submission queues. " + "[Default=" __stringify(IBMVFC_SCSI_HW_QUEUES) "]"); +module_param_named(scsi_hw_channels, nr_scsi_channels, uint, S_IRUGO); +MODULE_PARM_DESC(scsi_hw_channels, "Number of hw scsi channels to request. " + "[Default=" __stringify(IBMVFC_SCSI_CHANNELS) "]"); +module_param_named(mig_channels_only, mig_channels_only, uint, S_IRUGO); +MODULE_PARM_DESC(mig_channels_only, "Prevent migration to non-channelized system. " + "[Default=" __stringify(IBMVFC_MIG_NO_SUB_TO_CRQ) "]"); +module_param_named(mig_no_less_channels, mig_no_less_channels, uint, S_IRUGO); +MODULE_PARM_DESC(mig_no_less_channels, "Prevent migration to system with less channels. " + "[Default=" __stringify(IBMVFC_MIG_NO_N_TO_M) "]"); + module_param_named(init_timeout, init_timeout, uint, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(init_timeout, "Initialization timeout in seconds. " "[Default=" __stringify(IBMVFC_INIT_TIMEOUT) "]"); @@ -926,7 +948,7 @@ static int ibmvfc_reset_crq(struct ibmvfc_host *vhost) crq->cur = 0; if (vhost->scsi_scrqs.scrqs) { - for (i = 0; i < IBMVFC_SCSI_HW_QUEUES; i++) { + for (i = 0; i < nr_scsi_hw_queues; i++) { scrq = &vhost->scsi_scrqs.scrqs[i]; spin_lock(scrq->q_lock); memset(scrq->msgs.scrq, 0, PAGE_SIZE); @@ -3394,6 +3416,37 @@ static ssize_t ibmvfc_store_log_level(struct device *dev, return strlen(buf); } +static ssize_t ibmvfc_show_scsi_channels(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct ibmvfc_host *vhost = shost_priv(shost); + unsigned long flags = 0; + int len; + + spin_lock_irqsave(shost->host_lock, flags); + len = snprintf(buf, PAGE_SIZE, "%d\n", vhost->client_scsi_channels); + spin_unlock_irqrestore(shost->host_lock, flags); + return len; +} + +static ssize_t ibmvfc_store_scsi_channels(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct ibmvfc_host *vhost = shost_priv(shost); + unsigned long flags = 0; + unsigned int channels; + + spin_lock_irqsave(shost->host_lock, flags); + channels = simple_strtoul(buf, NULL, 10); + vhost->client_scsi_channels = min(channels, nr_scsi_hw_queues); + ibmvfc_hard_reset_host(vhost); + spin_unlock_irqrestore(shost->host_lock, flags); + return strlen(buf); +} + static DEVICE_ATTR(partition_name, S_IRUGO, ibmvfc_show_host_partition_name, NULL); static DEVICE_ATTR(device_name, S_IRUGO, ibmvfc_show_host_device_name, NULL); static DEVICE_ATTR(port_loc_code, S_IRUGO, ibmvfc_show_host_loc_code, NULL); @@ -3402,6 +3455,8 @@ static DEVICE_ATTR(npiv_version, S_IRUGO, ibmvfc_show_host_npiv_version, NULL); static DEVICE_ATTR(capabilities, S_IRUGO, ibmvfc_show_host_capabilities, NULL); static DEVICE_ATTR(log_level, S_IRUGO | S_IWUSR, ibmvfc_show_log_level, ibmvfc_store_log_level); +static DEVICE_ATTR(nr_scsi_channels, S_IRUGO | S_IWUSR, + ibmvfc_show_scsi_channels, ibmvfc_store_scsi_channels); #ifdef CONFIG_SCSI_IBMVFC_TRACE /** @@ -3458,6 +3513,7 @@ static struct device_attribute *ibmvfc_attrs[] = { &dev_attr_npiv_version, &dev_attr_capabilities, &dev_attr_log_level, + &dev_attr_nr_scsi_channels, NULL }; @@ -4863,9 +4919,9 @@ static void ibmvfc_channel_enquiry(struct ibmvfc_host *vhost) mad->common.opcode = cpu_to_be32(IBMVFC_CHANNEL_ENQUIRY); mad->common.length = cpu_to_be16(sizeof(*mad)); - if (IBMVFC_MIG_NO_SUB_TO_CRQ) + if (mig_channels_only) mad->flags |= cpu_to_be32(IBMVFC_NO_CHANNELS_TO_CRQ_SUPPORT); - if (IBMVFC_MIG_NO_N_TO_M) + if (mig_no_less_channels) mad->flags |= cpu_to_be32(IBMVFC_NO_N_TO_M_CHANNELS_SUPPORT); ibmvfc_set_host_action(vhost, IBMVFC_HOST_ACTION_INIT_WAIT); @@ -5652,13 +5708,13 @@ static int ibmvfc_init_sub_crqs(struct ibmvfc_host *vhost) ENTER; - vhost->scsi_scrqs.scrqs = kcalloc(IBMVFC_SCSI_HW_QUEUES, + vhost->scsi_scrqs.scrqs = kcalloc(nr_scsi_hw_queues, sizeof(*vhost->scsi_scrqs.scrqs), GFP_KERNEL); if (!vhost->scsi_scrqs.scrqs) return -1; - for (i = 0; i < IBMVFC_SCSI_HW_QUEUES; i++) { + for (i = 0; i < nr_scsi_hw_queues; i++) { if (ibmvfc_register_scsi_channel(vhost, i)) { for (j = i; j > 0; j--) ibmvfc_deregister_scsi_channel(vhost, j - 1); @@ -5682,7 +5738,7 @@ static void ibmvfc_release_sub_crqs(struct ibmvfc_host *vhost) if (!vhost->scsi_scrqs.scrqs) return; - for (i = 0; i < IBMVFC_SCSI_HW_QUEUES; i++) + for (i = 0; i < nr_scsi_hw_queues; i++) ibmvfc_deregister_scsi_channel(vhost, i); kfree(vhost->scsi_scrqs.scrqs); @@ -5880,12 +5936,13 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id) shost->transportt = ibmvfc_transport_template; shost->can_queue = max_requests; + shost->can_queue = (max_requests / nr_scsi_hw_queues); shost->max_lun = max_lun; shost->max_id = max_targets; shost->max_sectors = IBMVFC_MAX_SECTORS; shost->max_cmd_len = IBMVFC_MAX_CDB_LEN; shost->unique_id = shost->host_no; - shost->nr_hw_queues = IBMVFC_MQ ? IBMVFC_SCSI_HW_QUEUES : 1; + shost->nr_hw_queues = mq_enabled ? nr_scsi_hw_queues : 1; vhost = shost_priv(shost); INIT_LIST_HEAD(&vhost->targets); @@ -5897,8 +5954,8 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id) vhost->log_level = log_level; vhost->task_set = 1; - vhost->mq_enabled = IBMVFC_MQ; - vhost->client_scsi_channels = IBMVFC_SCSI_CHANNELS; + vhost->mq_enabled = mq_enabled; + vhost->client_scsi_channels = min(nr_scsi_hw_queues, nr_scsi_channels); vhost->using_channels = 0; vhost->do_enquiry = 1; -- 2.27.0
next prev parent reply other threads:[~2021-01-12 0:50 UTC|newest] Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-01-11 23:12 [PATCH v4 00/21] ibmvfc: initial MQ development Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 01/21] ibmvfc: add vhost fields and defaults for MQ enablement Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-12 11:43 ` John Garry 2021-01-12 11:43 ` John Garry 2021-01-12 22:54 ` Brian King 2021-01-12 22:54 ` Brian King 2021-01-13 0:33 ` Tyrel Datwyler 2021-01-13 0:33 ` Tyrel Datwyler 2021-01-13 17:13 ` Brian King 2021-01-13 17:13 ` Brian King 2021-01-14 1:27 ` Ming Lei 2021-01-14 1:27 ` Ming Lei 2021-01-14 17:24 ` Brian King 2021-01-14 17:24 ` Brian King 2021-01-15 1:47 ` Ming Lei 2021-01-15 1:47 ` Ming Lei 2021-01-11 23:12 ` [PATCH v4 02/21] ibmvfc: move event pool init/free routines Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 03/21] ibmvfc: init/free event pool during queue allocation/free Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 04/21] ibmvfc: add size parameter to ibmvfc_init_event_pool Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 05/21] ibmvfc: define hcall wrapper for registering a Sub-CRQ Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 06/21] ibmvfc: add Subordinate CRQ definitions Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 07/21] ibmvfc: add alloc/dealloc routines for SCSI Sub-CRQ Channels Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 08/21] ibmvfc: add Sub-CRQ IRQ enable/disable routine Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 09/21] ibmvfc: add handlers to drain and complete Sub-CRQ responses Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 10/21] ibmvfc: define Sub-CRQ interrupt handler routine Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 11/21] ibmvfc: map/request irq and register Sub-CRQ interrupt handler Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 12/21] ibmvfc: implement channel enquiry and setup commands Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 13/21] ibmvfc: advertise client support for using hardware channels Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 14/21] ibmvfc: set and track hw queue in ibmvfc_event struct Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 15/21] ibmvfc: send commands down HW Sub-CRQ when channelized Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 16/21] ibmvfc: register Sub-CRQ handles with VIOS during channel setup Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 17/21] ibmvfc: add cancel mad initialization helper Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 18/21] ibmvfc: send Cancel MAD down each hw scsi channel Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-12 21:46 ` Brian King 2021-01-12 21:46 ` Brian King 2021-01-11 23:12 ` [PATCH v4 19/21] ibmvfc: purge scsi channels after transport loss/reset Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` [PATCH v4 20/21] ibmvfc: enable MQ and set reasonable defaults Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler 2021-01-11 23:12 ` Tyrel Datwyler [this message] 2021-01-11 23:12 ` [PATCH v4 21/21] ibmvfc: provide modules parameters for MQ settings Tyrel Datwyler 2021-01-13 18:57 ` Brian King 2021-01-13 18:57 ` Brian King 2021-01-13 18:58 ` [PATCH v4 00/21] ibmvfc: initial MQ development Brian King 2021-01-13 18:58 ` Brian King
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