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From: Hannes Reinecke <hare@suse.de>
To: Muneendra <muneendra.kumar@broadcom.com>,
	linux-block@vger.kernel.org, linux-scsi@vger.kernel.org,
	tj@kernel.org, linux-nvme@lists.infradead.org
Cc: pbonzini@redhat.com, jsmart2021@gmail.com, mkumar@redhat.com,
	emilne@redhat.com,
	Gaurav Srivastava <gaurav.srivastava@broadcom.com>
Subject: Re: [PATCH v4 05/19] lpfc: vmid: API to check if VMID is enabled.
Date: Mon, 16 Nov 2020 08:44:07 +0100	[thread overview]
Message-ID: <60c0e014-81b1-2679-4e68-6cefa0604628@suse.de> (raw)
In-Reply-To: <1604895845-2587-6-git-send-email-muneendra.kumar@broadcom.com>

On 11/9/20 5:23 AM, Muneendra wrote:
> 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>
> 
> ---
> v4:
> No change
> 
> v3:
> No change
> 
> v2:
> Ported the patch on top of 5.10/scsi-queue
> ---
>   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 8f0062d2b891..a62e985aa180 100644
> --- a/drivers/scsi/lpfc/lpfc.h
> +++ b/drivers/scsi/lpfc/lpfc.h
> @@ -1506,3 +1506,27 @@ 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;
> +}
> 
Feels a bit weird, having this patch on its own; maybe merge it with the 
next one?
But I'm not bothered either way.

Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@suse.de                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer

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  reply	other threads:[~2020-11-16  7:44 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-09  4:23 [PATCH v4 00/19] blkcg:Support to track FC storage blk io traffic Muneendra
2020-11-09  4:23 ` [PATCH v4 01/19] cgroup: Added cgroup_get_from_kernfs_id Muneendra
2020-11-16  7:25   ` Hannes Reinecke
2020-11-09  4:23 ` [PATCH v4 02/19] blkcg: Added a app identifier support for blkcg Muneendra
2020-11-09 13:55   ` Tejun Heo
2020-11-16  7:31   ` Hannes Reinecke
2020-11-18  9:39     ` Muneendra Kumar M
2020-11-09  4:23 ` [PATCH v4 03/19] nvme: Added a newsysfs attribute appid_store Muneendra
2020-11-16  7:39   ` Hannes Reinecke
2020-11-09  4:23 ` [PATCH v4 04/19] lpfc: vmid: Add the datastructure for supporting VMID in lpfc Muneendra
2020-11-16  7:41   ` Hannes Reinecke
2020-11-09  4:23 ` [PATCH v4 05/19] lpfc: vmid: API to check if VMID is enabled Muneendra
2020-11-16  7:44   ` Hannes Reinecke [this message]
2020-11-09  4:23 ` [PATCH v4 06/19] lpfc: vmid: Supplementary data structures for vmid Muneendra
2020-11-16  7:49   ` Hannes Reinecke
2020-11-09  4:23 ` [PATCH v4 07/19] lpfc: vmid: Forward declarations for APIs Muneendra
2020-11-16  7:50   ` Hannes Reinecke
2020-11-09  4:23 ` [PATCH v4 08/19] lpfc: vmid: Add support for vmid in mailbox command Muneendra
2020-11-16  7:52   ` Hannes Reinecke
2020-11-09  4:23 ` [PATCH v4 09/19] lpfc: vmid: VMID params initialization Muneendra
2020-11-16  7:53   ` Hannes Reinecke
2020-11-09  4:23 ` [PATCH v4 10/19] lpfc: vmid: vmid resource allocation Muneendra
2020-11-16  7:56   ` Hannes Reinecke
2020-11-09  4:23 ` [PATCH v4 11/19] lpfc: vmid: cleanup vmid resources Muneendra
2020-11-16  7:56   ` Hannes Reinecke
2020-11-09  4:23 ` [PATCH v4 12/19] lpfc: vmid: Implements ELS commands for appid patch Muneendra
2020-11-16  8:03   ` Hannes Reinecke
2020-11-09  4:23 ` [PATCH v4 13/19] lpfc: vmid: Functions to manage vmids Muneendra
2020-11-16  8:06   ` Hannes Reinecke
2020-11-09  4:24 ` [PATCH v4 14/19] lpfc: vmid: Implements CT commands for appid Muneendra
2020-11-16  8:08   ` Hannes Reinecke
2020-11-09  4:24 ` [PATCH v4 15/19] lpfc: vmid: Appends the vmid in the wqe before sending request Muneendra
2020-11-16  8:10   ` Hannes Reinecke
2020-11-09  4:24 ` [PATCH v4 16/19] lpfc: vmid: Timeout implementation for vmid Muneendra
2020-11-16  8:11   ` Hannes Reinecke
2020-11-09  4:24 ` [PATCH v4 17/19] lpfc: vmid: Adding qfpa and vmid timeout check in worker thread Muneendra
2020-11-16  8:12   ` Hannes Reinecke
2020-11-09  4:24 ` [PATCH v4 18/19] lpfc: vmid: Introducing vmid in io path Muneendra
2020-11-16  8:13   ` Hannes Reinecke
2020-11-09  4:24 ` [PATCH v4 19/19] scsi: Made changes in Kconfig to select BLK_CGROUP_FC_APPID Muneendra
2020-11-16  8:15   ` Hannes Reinecke

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