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Message-ID: <CAK=zhgo_Fk9cEYiyc5ZuB=2rcmgtzV04e6-yzCR--GBK_nrG5w@mail.gmail.com>
Date: Thu, 18 Jun 2015 15:21:31 +0530
From: Sreekanth Reddy <sreekanth.reddy@...gotech.com>
To: Johannes Thumshirn <jthumshirn@...e.de>
Cc: "jejb@...nel.org" <jejb@...nel.org>,
Christoph Hellwig <hch@...radead.org>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
"James E.J. Bottomley" <JBottomley@...allels.com>,
Sathya Prakash <Sathya.Prakash@...gotech.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 10/20] [SCSI] mpt3sas: Add branding string support for
OEM's HBA
Hi,
Any review comments on this patch. please let us known if any changes
are required.
Thanks,
Sreekanth
On Mon, Jun 15, 2015 at 5:30 PM, Sreekanth Reddy
<sreekanth.reddy@...gotech.com> wrote:
> On Mon, Jun 15, 2015 at 5:23 PM, Johannes Thumshirn <jthumshirn@...e.de> wrote:
>> On Mon, Jun 15, 2015 at 04:41:56PM +0530, Sreekanth Reddy wrote:
>>> On Mon, Jun 15, 2015 at 3:16 PM, Johannes Thumshirn <jthumshirn@...e.de> wrote:
>>> > On Fri, Jun 12, 2015 at 03:12:22PM +0530, Sreekanth Reddy wrote:
>>> >> Added the following Dell branding to the mpt3sas driver.
>>> >>
>>> >> "VendorID" "DeviceID" "SubsystemVendor ID" "SubsystemDevice ID" Dell Branding String
>>> >> 0x1000 0x0097 0x1028 0x1F46 DELL 12Gbps HBA
>>> >>
>>> >> Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@...gotech.com>
>>> >> ---
>>> >> drivers/scsi/mpt3sas/mpt3sas_base.c | 36 ++++++++++++++++++++++++++++++++++++
>>> >> drivers/scsi/mpt3sas/mpt3sas_base.h | 11 +++++++++++
>>> >> 2 files changed, 47 insertions(+)
>>> >>
>>> >> diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
>>> >> index 6739c0a..db362cb 100644
>>> >> --- a/drivers/scsi/mpt3sas/mpt3sas_base.c
>>> >> +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
>>> >> @@ -2345,6 +2345,41 @@ _base_display_intel_branding(struct MPT3SAS_ADAPTER *ioc)
>>> >>
>>> >>
>>> >> /**
>>> >> + * _base_display_dell_branding - Display branding string
>>> >> + * @ioc: per adapter object
>>> >> + *
>>> >> + * Return nothing.
>>> >> + */
>>> >> +static void
>>> >> +_base_display_dell_branding(struct MPT3SAS_ADAPTER *ioc)
>>> >> +{
>>> >> + if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL)
>>> >> + return;
>>> >> +
>>> >> + switch (ioc->pdev->device) {
>>> >> + case MPI25_MFGPAGE_DEVID_SAS3008:
>>> >> + switch (ioc->pdev->subsystem_device) {
>>> >> + case MPT3SAS_DELL_12G_HBA_SSDID:
>>> >> + pr_info(MPT3SAS_FMT "%s\n", ioc->name,
>>> >> + MPT3SAS_DELL_12G_HBA_BRANDING);
>>> >> + break;
>>> >> + default:
>>> >> + pr_info(MPT3SAS_FMT
>>> >> + "Dell 12Gbps HBA: Subsystem ID: 0x%X\n", ioc->name,
>>> >> + ioc->pdev->subsystem_device);
>>> >> + break;
>>> >> + }
>>> >> + break;
>>> >> + default:
>>> >> + pr_info(MPT3SAS_FMT
>>> >> + "Dell 12Gbps HBA: Subsystem ID: 0x%X\n", ioc->name,
>>> >> + ioc->pdev->subsystem_device);
>>> >> + break;
>>> >> + }
>>> >> +}
>>> >> +
>>> >> +
>>> >> +/**
>>> >> * _base_display_ioc_capabilities - Disply IOC's capabilities.
>>> >> * @ioc: per adapter object
>>> >> *
>>> >> @@ -2374,6 +2409,7 @@ _base_display_ioc_capabilities(struct MPT3SAS_ADAPTER *ioc)
>>> >> bios_version & 0x000000FF);
>>> >>
>>> >> _base_display_intel_branding(ioc);
>>> >> + _base_display_dell_branding(ioc);
>>> >>
>>> >> pr_info(MPT3SAS_FMT "Protocol=(", ioc->name);
>>> >>
>>> >> diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h
>>> >> index 2318ef8..c4780c7 100644
>>> >> --- a/drivers/scsi/mpt3sas/mpt3sas_base.h
>>> >> +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
>>> >> @@ -152,6 +152,17 @@
>>> >> #define MPT3SAS_INTEL_RS3UC080_SSDID 0x3524
>>> >>
>>> >> /*
>>> >> + * Dell HBA branding
>>> >> + */
>>> >> +#define MPT3SAS_DELL_12G_HBA_BRANDING \
>>> >> + "Dell 12Gbps HBA"
>>> >> +
>>> >> +/*
>>> >> + * Dell HBA SSDIDs
>>> >> + */
>>> >> +#define MPT3SAS_DELL_12G_HBA_SSDID 0x1F46
>>> >> +
>>> >> +/*
>>> >> * status bits for ioc->diag_buffer_status
>>> >> */
>>> >> #define MPT3_DIAG_BUFFER_IS_REGISTERED (0x01)
>>> >> --
>>> >> 2.0.2
>>> >>
>>> >> --
>>> >> To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
>>> >> the body of a message to majordomo@...r.kernel.org
>>> >> More majordomo info at http://vger.kernel.org/majordomo-info.html
>>> >
>>> > This might be something you might consider re-organizing for your code-base
>>> > merge as well, as it leads to a lot of code duplication the more OEMs you have.
>>>
>>> May I know which hunk of this patch may leads to code duplication for
>>> more OEMs we add? Whether declaring individual function for each OEMs
>>> leads to this code duplication.
>>
>> Hi Sreekanth,
>>
>> In
>> [PATCH 11/20] [SCSI] mpt3sas: Add branding string support for OEM custom HBA
>> you add _base_display_cisco_branding(). In
>> [PATCH 10/20] [SCSI] mpt3sas: Add branding string support for OEM's HBA
>> you add _base_display_dell_branding(). You already have
>> _base_display_intel_branding().
>>
>> Each of them follows the pattern:
>> 1) Check if it is a OEM device for XXX
>> 2) Check witch OEM device for XXX it is
>> 3) Display a string based on that specific OEM device
>> 4) Return
>
> Johannes,
>
> Thanks for detail explanation. I will take of this while merging the
> drivers code.
>
> Thanks a lot,
> Sreekanth
>>
>> Johannes
>
>
>
> --
>
> Regards,
> Sreekanth
--
Regards,
Sreekanth
--
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