On Fri, Jun 25, 2021 at 12:26:18AM +0200, Pali Rohár wrote: > 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@xxxxxxxxxx> > Reviewed-by: Marek Behún <kabel@xxxxxxxxxx> Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > --- > 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 */ > -- > 2.20.1 >
