Re: [PATCH 04/10] PCI/ATS: Show PASID Capability register width in bitmasks

[Jonathan Cameron]

On Tue, 10 Oct 2023 15:44:30 -0500
Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:

> From: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> 
> The PASID Capability and Control registers are both 16 bits wide.  Use
> 16-bit wide constants in field names to match the register width.  No
> functional change intended.
> 
> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

> ---
>  include/uapi/linux/pci_regs.h | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
> index 34bf037993f3..6af1f8d53e97 100644
> --- a/include/uapi/linux/pci_regs.h
> +++ b/include/uapi/linux/pci_regs.h
> @@ -930,12 +930,12 @@
>  
>  /* Process Address Space ID */
>  #define PCI_PASID_CAP		0x04    /* PASID feature register */
> -#define  PCI_PASID_CAP_EXEC	0x02	/* Exec permissions Supported */
> -#define  PCI_PASID_CAP_PRIV	0x04	/* Privilege Mode Supported */
> +#define  PCI_PASID_CAP_EXEC	0x0002	/* Exec permissions Supported */
> +#define  PCI_PASID_CAP_PRIV	0x0004	/* Privilege Mode Supported */
>  #define PCI_PASID_CTRL		0x06    /* PASID control register */
> -#define  PCI_PASID_CTRL_ENABLE	0x01	/* Enable bit */
> -#define  PCI_PASID_CTRL_EXEC	0x02	/* Exec permissions Enable */
> -#define  PCI_PASID_CTRL_PRIV	0x04	/* Privilege Mode Enable */
> +#define  PCI_PASID_CTRL_ENABLE	0x0001	/* Enable bit */
> +#define  PCI_PASID_CTRL_EXEC	0x0002	/* Exec permissions Enable */
> +#define  PCI_PASID_CTRL_PRIV	0x0004	/* Privilege Mode Enable */
>  #define PCI_EXT_CAP_PASID_SIZEOF	8
>  
>  /* Single Root I/O Virtualization */