diff mbox series

[01/13] PCI: Add PCI_EXP_DEVCTL_PAYLOAD_* macros

Message ID 20211001195856.10081-2-kabel@kernel.org
State New
Headers show
Series PCI: aardvark controller fixes | expand

Commit Message

Marek Behún Oct. 1, 2021, 7:58 p.m. UTC 
From: Pali Rohár <pali@kernel.org>

Define a macro PCI_EXP_DEVCTL_PAYLOAD_* for every possible Max Payload
Size in linux/pci_regs.h, in the same style as PCI_EXP_DEVCTL_READRQ_*.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Marek Behún <kabel@kernel.org>
---
 include/uapi/linux/pci_regs.h | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Bjorn Helgaas Oct. 2, 2021, 4:05 p.m. UTC | #1 
On Fri, Oct 01, 2021 at 09:58:44PM +0200, Marek Behún wrote:
> From: Pali Rohár <pali@kernel.org>
> 
> Define a macro PCI_EXP_DEVCTL_PAYLOAD_* for every possible Max Payload
> Size in linux/pci_regs.h, in the same style as PCI_EXP_DEVCTL_READRQ_*.
> 
> Signed-off-by: Pali Rohár <pali@kernel.org>
> Reviewed-by: Marek Behún <kabel@kernel.org>
> Signed-off-by: Marek Behún <kabel@kernel.org>

Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>

> ---
>  include/uapi/linux/pci_regs.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
> index e709ae8235e7..ff6ccbc6efe9 100644
> --- a/include/uapi/linux/pci_regs.h
> +++ b/include/uapi/linux/pci_regs.h
> @@ -504,6 +504,12 @@
>  #define  PCI_EXP_DEVCTL_URRE	0x0008	/* Unsupported Request Reporting En. */
>  #define  PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
>  #define  PCI_EXP_DEVCTL_PAYLOAD	0x00e0	/* Max_Payload_Size */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_128B 0x0000 /* 128 Bytes */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_256B 0x0020 /* 256 Bytes */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_512B 0x0040 /* 512 Bytes */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_1024B 0x0060 /* 1024 Bytes */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_2048B 0x0080 /* 2048 Bytes */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_4096B 0x00a0 /* 4096 Bytes */
>  #define  PCI_EXP_DEVCTL_EXT_TAG	0x0100	/* Extended Tag Field Enable */
>  #define  PCI_EXP_DEVCTL_PHANTOM	0x0200	/* Phantom Functions Enable */
>  #define  PCI_EXP_DEVCTL_AUX_PME	0x0400	/* Auxiliary Power PM Enable */
> -- 
> 2.32.0
>
Lorenzo Pieralisi Oct. 4, 2021, 8:43 a.m. UTC | #2 
On Fri, Oct 01, 2021 at 09:58:44PM +0200, Marek Behún wrote:
> From: Pali Rohár <pali@kernel.org>
> 
> Define a macro PCI_EXP_DEVCTL_PAYLOAD_* for every possible Max Payload
> Size in linux/pci_regs.h, in the same style as PCI_EXP_DEVCTL_READRQ_*.
> 
> Signed-off-by: Pali Rohár <pali@kernel.org>
> Reviewed-by: Marek Behún <kabel@kernel.org>
> Signed-off-by: Marek Behún <kabel@kernel.org>
> ---
>  include/uapi/linux/pci_regs.h | 6 ++++++
>  1 file changed, 6 insertions(+)

This requires Bjorn's ACK.

Thanks,
Lorenzo

> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
> index e709ae8235e7..ff6ccbc6efe9 100644
> --- a/include/uapi/linux/pci_regs.h
> +++ b/include/uapi/linux/pci_regs.h
> @@ -504,6 +504,12 @@
>  #define  PCI_EXP_DEVCTL_URRE	0x0008	/* Unsupported Request Reporting En. */
>  #define  PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
>  #define  PCI_EXP_DEVCTL_PAYLOAD	0x00e0	/* Max_Payload_Size */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_128B 0x0000 /* 128 Bytes */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_256B 0x0020 /* 256 Bytes */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_512B 0x0040 /* 512 Bytes */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_1024B 0x0060 /* 1024 Bytes */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_2048B 0x0080 /* 2048 Bytes */
> +#define  PCI_EXP_DEVCTL_PAYLOAD_4096B 0x00a0 /* 4096 Bytes */
>  #define  PCI_EXP_DEVCTL_EXT_TAG	0x0100	/* Extended Tag Field Enable */
>  #define  PCI_EXP_DEVCTL_PHANTOM	0x0200	/* Phantom Functions Enable */
>  #define  PCI_EXP_DEVCTL_AUX_PME	0x0400	/* Auxiliary Power PM Enable */
> -- 
> 2.32.0
>
Marek Behún Oct. 4, 2021, 9:32 a.m. UTC | #3 
On Mon, 4 Oct 2021 09:43:50 +0100
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> wrote:

> On Fri, Oct 01, 2021 at 09:58:44PM +0200, Marek Behún wrote:
> > From: Pali Rohár <pali@kernel.org>
> > 
> > Define a macro PCI_EXP_DEVCTL_PAYLOAD_* for every possible Max Payload
> > Size in linux/pci_regs.h, in the same style as PCI_EXP_DEVCTL_READRQ_*.
> > 
> > Signed-off-by: Pali Rohár <pali@kernel.org>
> > Reviewed-by: Marek Behún <kabel@kernel.org>
> > Signed-off-by: Marek Behún <kabel@kernel.org>
> > ---
> >  include/uapi/linux/pci_regs.h | 6 ++++++
> >  1 file changed, 6 insertions(+)  
> 
> This requires Bjorn's ACK.

Lorenzo, Bjorn already sent his Reviewed-by for this patch. Did you not
receive it?

Marek
Lorenzo Pieralisi Oct. 4, 2021, 9:35 a.m. UTC | #4 
On Mon, Oct 04, 2021 at 11:32:51AM +0200, Marek Behún wrote:
> On Mon, 4 Oct 2021 09:43:50 +0100
> Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> wrote:
> 
> > On Fri, Oct 01, 2021 at 09:58:44PM +0200, Marek Behún wrote:
> > > From: Pali Rohár <pali@kernel.org>
> > > 
> > > Define a macro PCI_EXP_DEVCTL_PAYLOAD_* for every possible Max Payload
> > > Size in linux/pci_regs.h, in the same style as PCI_EXP_DEVCTL_READRQ_*.
> > > 
> > > Signed-off-by: Pali Rohár <pali@kernel.org>
> > > Reviewed-by: Marek Behún <kabel@kernel.org>
> > > Signed-off-by: Marek Behún <kabel@kernel.org>
> > > ---
> > >  include/uapi/linux/pci_regs.h | 6 ++++++
> > >  1 file changed, 6 insertions(+)  
> > 
> > This requires Bjorn's ACK.
> 
> Lorenzo, Bjorn already sent his Reviewed-by for this patch. Did you not
> receive it?

Apologies - missed it, nothing to do then.

Lorenzo
diff mbox series

Patch

diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index e709ae8235e7..ff6ccbc6efe9 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -504,6 +504,12 @@ 
 #define  PCI_EXP_DEVCTL_URRE	0x0008	/* Unsupported Request Reporting En. */
 #define  PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
 #define  PCI_EXP_DEVCTL_PAYLOAD	0x00e0	/* Max_Payload_Size */
+#define  PCI_EXP_DEVCTL_PAYLOAD_128B 0x0000 /* 128 Bytes */
+#define  PCI_EXP_DEVCTL_PAYLOAD_256B 0x0020 /* 256 Bytes */
+#define  PCI_EXP_DEVCTL_PAYLOAD_512B 0x0040 /* 512 Bytes */
+#define  PCI_EXP_DEVCTL_PAYLOAD_1024B 0x0060 /* 1024 Bytes */
+#define  PCI_EXP_DEVCTL_PAYLOAD_2048B 0x0080 /* 2048 Bytes */
+#define  PCI_EXP_DEVCTL_PAYLOAD_4096B 0x00a0 /* 4096 Bytes */
 #define  PCI_EXP_DEVCTL_EXT_TAG	0x0100	/* Extended Tag Field Enable */
 #define  PCI_EXP_DEVCTL_PHANTOM	0x0200	/* Phantom Functions Enable */
 #define  PCI_EXP_DEVCTL_AUX_PME	0x0400	/* Auxiliary Power PM Enable */