linux-kernel - Re: [PATCH V8 RESEND 3/4] PCI: vmd: Create feature grouping for client products

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Date:   Fri, 18 Nov 2022 21:47:28 -0800
From:   Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
To:     "David E. Box" <david.e.box@...ux.intel.com>,
        nirmal.patel@...ux.intel.com, jonathan.derrick@...ux.dev,
        lorenzo.pieralisi@....com, hch@...radead.org, kw@...ux.com,
        robh@...nel.org, bhelgaas@...gle.com, michael.a.bottini@...el.com,
        rafael@...nel.org, me@...ityamohan.in
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V8 RESEND 3/4] PCI: vmd: Create feature grouping for
 client products



On 11/18/22 6:14 PM, David E. Box wrote:
> Simplify the device ID list by creating a grouping of features shared by
> client products.
> 
> Suggested-by: Jon Derrick <jonathan.derrick@...ux.dev>
> Signed-off-by: David E. Box <david.e.box@...ux.intel.com>
> ---
> 

Looks good to me.

Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>

>  V8 - New patch.
> 
>  drivers/pci/controller/vmd.c | 28 ++++++++++------------------
>  1 file changed, 10 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
> index 9dedca714c18..86f3085db014 100644
> --- a/drivers/pci/controller/vmd.c
> +++ b/drivers/pci/controller/vmd.c
> @@ -68,6 +68,10 @@ enum vmd_features {
>  	VMD_FEAT_CAN_BYPASS_MSI_REMAP		= (1 << 4),
>  };
>  
> +#define VMD_FEATS_CLIENT	(VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |	\
> +				 VMD_FEAT_HAS_BUS_RESTRICTIONS |	\
> +				 VMD_FEAT_OFFSET_FIRST_VECTOR)
> +
>  static DEFINE_IDA(vmd_instance_ida);
>  
>  /*
> @@ -1001,29 +1005,17 @@ static const struct pci_device_id vmd_ids[] = {
>  				VMD_FEAT_HAS_BUS_RESTRICTIONS |
>  				VMD_FEAT_CAN_BYPASS_MSI_REMAP,},
>  	{PCI_VDEVICE(INTEL, 0x467f),
> -		.driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> -				VMD_FEAT_HAS_BUS_RESTRICTIONS |
> -				VMD_FEAT_OFFSET_FIRST_VECTOR,},
> +		.driver_data = VMD_FEATS_CLIENT,},
>  	{PCI_VDEVICE(INTEL, 0x4c3d),
> -		.driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> -				VMD_FEAT_HAS_BUS_RESTRICTIONS |
> -				VMD_FEAT_OFFSET_FIRST_VECTOR,},
> +		.driver_data = VMD_FEATS_CLIENT,},
>  	{PCI_VDEVICE(INTEL, 0xa77f),
> -		.driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> -				VMD_FEAT_HAS_BUS_RESTRICTIONS |
> -				VMD_FEAT_OFFSET_FIRST_VECTOR,},
> +		.driver_data = VMD_FEATS_CLIENT,},
>  	{PCI_VDEVICE(INTEL, 0x7d0b),
> -		.driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> -				VMD_FEAT_HAS_BUS_RESTRICTIONS |
> -				VMD_FEAT_OFFSET_FIRST_VECTOR,},
> +		.driver_data = VMD_FEATS_CLIENT,},
>  	{PCI_VDEVICE(INTEL, 0xad0b),
> -		.driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> -				VMD_FEAT_HAS_BUS_RESTRICTIONS |
> -				VMD_FEAT_OFFSET_FIRST_VECTOR,},
> +		.driver_data = VMD_FEATS_CLIENT,},
>  	{PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_VMD_9A0B),
> -		.driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> -				VMD_FEAT_HAS_BUS_RESTRICTIONS |
> -				VMD_FEAT_OFFSET_FIRST_VECTOR,},
> +		.driver_data = VMD_FEATS_CLIENT,},
>  	{0,}
>  };
>  MODULE_DEVICE_TABLE(pci, vmd_ids);

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer