From: Muneendra <muneendra.kumar@broadcom.com>
To: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org
Cc: pbonzini@redhat.com, emilne@redhat.com, mkumar@redhat.com,
Gaurav Srivastava <gaurav.srivastava@broadcom.com>,
James Smart <jsmart2021@gmail.com>,
Muneendra <muneendra.kumar@broadcom.com>
Subject: [RFC 03/16] lpfc: vmid: API to check if VMID is enabled.
Date: Tue, 4 Aug 2020 07:43:03 +0530 [thread overview]
Message-ID: <1596507196-27417-4-git-send-email-muneendra.kumar@broadcom.com> (raw)
In-Reply-To: <1596507196-27417-1-git-send-email-muneendra.kumar@broadcom.com>
From: Gaurav Srivastava <gaurav.srivastava@broadcom.com>
This API will determine if VMID is enabled by the user or not.
Signed-off-by: Gaurav Srivastava <gaurav.srivastava@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Muneendra <muneendra.kumar@broadcom.com>
---
drivers/scsi/lpfc/lpfc.h | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 4258d05a7032..1b950d6641a2 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -1507,3 +1507,27 @@ static const char *routine(enum enum_name table_key) \
} \
return name; \
}
+
+/**
+ * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types
+ * @phba: Pointer to HBA context object.
+ *
+ * Relationship between the enable, target support and if vmid tag is required
+ * for the particular combination
+ * ---------------------------------------------------
+ * Switch Enable Flag Target Support VMID Needed
+ * ---------------------------------------------------
+ * App Id 0 NA N
+ * App Id 1 0 N
+ * App Id 1 1 Y
+ * Pr Tag 0 NA N
+ * Pr Tag 1 0 N
+ * Pr Tag 1 1 Y
+ * Pr Tag 2 * Y
+ ---------------------------------------------------
+ *
+ **/
+static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba)
+{
+ return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging;
+}
--
2.18.2
next prev parent reply other threads:[~2020-08-04 9:07 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-04 2:13 [RFC 00/16] Application specific identification support Muneendra
2020-08-04 2:13 ` [RFC 01/16] blkcg:Introduce blkio.app_identifier knob to blkio controller Muneendra
2020-08-04 11:31 ` Daniel Wagner
2020-08-04 14:21 ` Tejun Heo
2020-08-05 0:39 ` James Smart
2020-08-05 3:59 ` Ming Lei
2020-08-05 6:33 ` Hannes Reinecke
2020-08-05 14:39 ` Tejun Heo
2020-08-05 17:14 ` Muneendra Kumar M
2020-08-05 17:31 ` Tejun Heo
2020-08-06 2:22 ` Ming Lei
2020-08-06 12:31 ` Muneendra Kumar M
2020-08-06 13:41 ` Paolo Bonzini
2020-08-04 2:13 ` [RFC 02/16] lpfc: vmid: Add the datastructure for supporting VMID in lpfc Muneendra
2020-08-04 2:13 ` Muneendra [this message]
2020-08-04 2:13 ` [RFC 04/16] lpfc: vmid: Supplementary data structures for vmid Muneendra
2020-08-04 2:13 ` [RFC 05/16] lpfc: vmid: Forward declarations for APIs Muneendra
2020-08-04 2:13 ` [RFC 06/16] lpfc: vmid: Add support for vmid in mailbox command Muneendra
2020-08-04 2:13 ` [RFC 07/16] lpfc: vmid: VMID params initialization Muneendra
2020-08-04 2:13 ` [RFC 08/16] lpfc: vmid: vmid resource allocation Muneendra
2020-08-04 2:13 ` [RFC 09/16] lpfc: vmid: cleanup vmid resources Muneendra
2020-08-04 2:13 ` [RFC 10/16] lpfc: vmid: Implements ELS commands for appid patch Muneendra
2020-08-04 2:13 ` [RFC 11/16] lpfc: vmid: Functions to manage vmids Muneendra
2020-08-04 2:13 ` [RFC 12/16] lpfc: vmid: Implements CT commands for appid Muneendra
2020-08-04 2:13 ` [RFC 13/16] lpfc: vmid: Appends the vmid in the wqe before sending request Muneendra
2020-08-04 2:13 ` [RFC 14/16] lpfc: vmid: Timeout implementation for vmid Muneendra
2020-08-04 2:13 ` [RFC 15/16] lpfc: vmid: Adding qfpa and vmid timeout check in worker thread Muneendra
2020-08-04 2:13 ` [RFC 16/16] lpfc: vmid: Introducing vmid in io path Muneendra
2020-08-05 7:16 ` Hannes Reinecke
2020-08-05 23:38 ` James Smart
2020-08-06 12:34 ` Muneendra Kumar M
2020-08-06 14:32 ` Paolo Bonzini
2020-08-06 16:26 ` Muneendra Kumar M
2020-08-06 18:41 ` Paolo Bonzini
2020-08-07 11:24 ` Muneendra Kumar M
2020-08-07 11:38 ` Paolo Bonzini
2020-08-07 12:17 ` Muneendra Kumar M
2020-08-10 9:03 ` Paolo Bonzini
2020-08-10 12:13 ` Muneendra Kumar M
2020-08-12 7:54 ` Paolo Bonzini
2020-08-12 12:16 ` Muneendra Kumar M
2020-08-07 12:32 ` Muneendra Kumar M
2020-08-11 23:48 ` James Smart
2020-08-06 14:41 ` Tejun Heo
2020-08-06 14:46 ` Paolo Bonzini
2020-08-06 14:48 ` Tejun Heo
2020-08-06 14:54 ` Paolo Bonzini
2020-08-06 14:59 ` Tejun Heo
2020-08-06 18:39 ` Paolo Bonzini
2020-08-06 18:49 ` Tejun Heo
2020-08-06 19:20 ` Paolo Bonzini
2020-08-06 19:32 ` Tejun Heo
2020-08-07 12:14 ` Paolo Bonzini
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