From patchwork Tue Aug 4 02:13:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Muneendra Kumar X-Patchwork-Id: 11700005 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F17BE14DD for ; Tue, 4 Aug 2020 09:07:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1996E22B45 for ; Tue, 4 Aug 2020 09:07:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="XdKKdxmi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726058AbgHDJHQ (ORCPT ); Tue, 4 Aug 2020 05:07:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726240AbgHDJHP (ORCPT ); Tue, 4 Aug 2020 05:07:15 -0400 Received: from mail-qv1-xf41.google.com (mail-qv1-xf41.google.com [IPv6:2607:f8b0:4864:20::f41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D1557C061756 for ; Tue, 4 Aug 2020 02:07:14 -0700 (PDT) Received: by mail-qv1-xf41.google.com with SMTP id l13so12305356qvt.10 for ; Tue, 04 Aug 2020 02:07:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=QQ5SWJbXNQxm9XdpbHedBI4tomXq7IgJ5hXPLUA4gnk=; b=XdKKdxmi4CeJxMFtqCyOGx687HcP7gqA2YosCNiQqgmLuSQz+3M1lDbEA1UFQYiN6B /flf3Uy3rANVRZE4eRpArw2c2C1Sva0T2XzcxZym5IJ/sC7isx4YKbhOrTaXOI7nrkie FaVbOeNodHGf9RM08NDKYQwLPkkEoeDqQmW/M= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=QQ5SWJbXNQxm9XdpbHedBI4tomXq7IgJ5hXPLUA4gnk=; b=amfuAodvqud3p6Z+M28lytm0er1oJ7ye11ia6zEhEAZ+yJe0+WYI0I91qDJJbzs42Z ZCJmUzeVelHdS0iXl+zZE73isgKWR4NYlYL0ixPR7PqAAQDoXR0Fx03bgz3xPdWj0b3L LZu44WPgDy1wIOggrpsH/HdWbZhFu1n+GELV3qAdu+PXicX+7v3suWMmIeLlHe8M8dUy +5UMw/rVjiGs4TfK2rAXRVIYd5Zt4Esi34eD/bM4yMjyx1VnVJAqX9or7uHNhQw39MPF slEniJy+kLHxpPRq3jq7KmnYumMJWRWScQgb+mjW7MWWWLoxSmokHnKGUlBL5AVfY9mz UxsA== X-Gm-Message-State: AOAM530BkOgoMaN+RQPrFZN1rRHi19eMIRua4bcExDHAszQzPXYk42LW WquqDEdLaHEf4MCyqwZxyEYawHz9so0cSzt7bcI/WDhZ0SjzIPpauhWKdAoccho2NQ2bH13FNYR Kezt9fut40MH2mChUbm4wadb955J9MDfbm1D9Piif6YWxle4gcpEPorgq9rnRF5LbXRCAD5KMiq uKKJ6BfnM= X-Google-Smtp-Source: ABdhPJxzTwtI4/EtEsPogoTFux2DkrCKTIJSa+agw5CO+iGLn1CTdIL5eu2ZQYRmZ5Dw4RSajWt+Tw== X-Received: by 2002:a0c:9b89:: with SMTP id o9mr9460302qve.77.1596532033660; Tue, 04 Aug 2020 02:07:13 -0700 (PDT) Received: from localhost.localdomain ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id 65sm19989407qkn.103.2020.08.04.02.07.10 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Aug 2020 02:07:13 -0700 (PDT) From: Muneendra To: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org Cc: pbonzini@redhat.com, emilne@redhat.com, mkumar@redhat.com, Gaurav Srivastava , James Smart , Muneendra Subject: [RFC 03/16] lpfc: vmid: API to check if VMID is enabled. Date: Tue, 4 Aug 2020 07:43:03 +0530 Message-Id: <1596507196-27417-4-git-send-email-muneendra.kumar@broadcom.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1596507196-27417-1-git-send-email-muneendra.kumar@broadcom.com> References: <1596507196-27417-1-git-send-email-muneendra.kumar@broadcom.com> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org From: Gaurav Srivastava This API will determine if VMID is enabled by the user or not. Signed-off-by: Gaurav Srivastava Signed-off-by: James Smart Signed-off-by: Muneendra --- 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; +}