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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 01/13] ibmvfc: add vhost fields and defaults for MQ enablement
Date: Wed, 25 Nov 2020 19:48:12 -0600	[thread overview]
Message-ID: <20201126014824.123831-2-tyreld@linux.ibm.com> (raw)
In-Reply-To: <20201126014824.123831-1-tyreld@linux.ibm.com>

Introduce several new vhost fields for managing MQ state of the adapter
as well as initial defaults for MQ enablement.

Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
---
 drivers/scsi/ibmvscsi/ibmvfc.c | 7 +++++++
 drivers/scsi/ibmvscsi/ibmvfc.h | 9 +++++++++
 2 files changed, 16 insertions(+)

diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 42e4d35e0d35..cd609d19e6a1 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -5167,6 +5167,7 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 	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_SCSI_HW_QUEUES;
 
 	vhost = shost_priv(shost);
 	INIT_LIST_HEAD(&vhost->sent);
@@ -5178,6 +5179,12 @@ static int ibmvfc_probe(struct vio_dev *vdev, const struct vio_device_id *id)
 	vhost->partition_number = -1;
 	vhost->log_level = log_level;
 	vhost->task_set = 1;
+
+	vhost->mq_enabled = IBMVFC_MQ;
+	vhost->client_scsi_channels = IBMVFC_SCSI_CHANNELS;
+	vhost->using_channels = 0;
+	vhost->do_enquiry = 1;
+
 	strcpy(vhost->partition_name, "UNKNOWN");
 	init_waitqueue_head(&vhost->work_wait_q);
 	init_waitqueue_head(&vhost->init_wait_q);
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.h b/drivers/scsi/ibmvscsi/ibmvfc.h
index 9d58cfd774d3..8225bdbb127e 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.h
+++ b/drivers/scsi/ibmvscsi/ibmvfc.h
@@ -41,6 +41,11 @@
 #define IBMVFC_DEFAULT_LOG_LEVEL	2
 #define IBMVFC_MAX_CDB_LEN		16
 #define IBMVFC_CLS3_ERROR		0
+#define IBMVFC_MQ			0
+#define IBMVFC_SCSI_CHANNELS		0
+#define IBMVFC_SCSI_HW_QUEUES		1
+#define IBMVFC_MIG_NO_SUB_TO_CRQ	0
+#define IBMVFC_MIG_NO_N_TO_M		0
 
 /*
  * Ensure we have resources for ERP and initialization:
@@ -826,6 +831,10 @@ struct ibmvfc_host {
 	int delay_init;
 	int scan_complete;
 	int logged_in;
+	int mq_enabled;
+	int using_channels;
+	int do_enquiry;
+	int client_scsi_channels;
 	int aborting_passthru;
 	int events_to_log;
 #define IBMVFC_AE_LINKUP	0x0001
-- 
2.27.0


  reply	other threads:[~2020-11-26  1:49 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-26  1:48 [PATCH 00/13] ibmvfc: initial MQ development Tyrel Datwyler
2020-11-26  1:48 ` Tyrel Datwyler [this message]
2020-11-27 17:45   ` [PATCH 01/13] ibmvfc: add vhost fields and defaults for MQ enablement Brian King
2020-11-30 17:22     ` Tyrel Datwyler
2020-11-26  1:48 ` [PATCH 02/13] ibmvfc: define hcall wrapper for registering a Sub-CRQ Tyrel Datwyler
2020-11-27 17:45   ` Brian King
2020-11-26  1:48 ` [PATCH 03/13] ibmvfc: add Subordinate CRQ definitions Tyrel Datwyler
2020-11-27 17:46   ` Brian King
2020-11-26  1:48 ` [PATCH 04/13] ibmvfc: add alloc/dealloc routines for SCSI Sub-CRQ Channels Tyrel Datwyler
2020-11-27 17:46   ` Brian King
2020-11-30 17:26     ` Tyrel Datwyler
2020-11-26  1:48 ` [PATCH 05/13] ibmvfc: add Sub-CRQ IRQ enable/disable routine Tyrel Datwyler
2020-11-27 17:47   ` Brian King
2020-11-26  1:48 ` [PATCH 06/13] ibmvfc: add handlers to drain and complete Sub-CRQ responses Tyrel Datwyler
2020-11-27 17:47   ` Brian King
2020-11-30 17:27     ` Tyrel Datwyler
2020-11-26  1:48 ` [PATCH 07/13] ibmvfc: define Sub-CRQ interrupt handler routine Tyrel Datwyler
2020-11-27 17:48   ` Brian King
2020-11-26  1:48 ` [PATCH 08/13] ibmvfc: map/request irq and register Sub-CRQ interrupt handler Tyrel Datwyler
2020-11-27 17:48   ` Brian King
2020-11-26  1:48 ` [PATCH 09/13] ibmvfc: implement channel enquiry and setup commands Tyrel Datwyler
2020-11-27 17:49   ` Brian King
2020-11-30 17:29     ` Tyrel Datwyler
2020-11-26  1:48 ` [PATCH 10/13] ibmvfc: advertise client support for using hardware channels Tyrel Datwyler
2020-11-27 17:49   ` Brian King
2020-11-26  1:48 ` [PATCH 11/13] ibmvfc: set and track hw queue in ibmvfc_event struct Tyrel Datwyler
2020-11-27 17:50   ` Brian King
2020-11-26  1:48 ` [PATCH 12/13] ibmvfc: send commands down HW Sub-CRQ when channelized Tyrel Datwyler
2020-11-27 17:50   ` Brian King
2020-11-26  1:48 ` [PATCH 13/13] ibmvfc: register Sub-CRQ handles with VIOS during channel setup Tyrel Datwyler
2020-11-27 17:50   ` Brian King
2020-12-02 12:03 ` [PATCH 00/13] ibmvfc: initial MQ development Hannes Reinecke
2020-12-02 17:19   ` Tyrel Datwyler

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