lkml.org 
[lkml]   [2021]   [Nov]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 5.15 914/917] PCI: Add PCI_EXP_DEVCTL_PAYLOAD_* macros
    Date
    From: Pali Rohár <pali@kernel.org>

    commit 460275f124fb072dca218a6b43b6370eebbab20d upstream.

    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_*.

    Link: https://lore.kernel.org/r/20211005180952.6812-2-kabel@kernel.org
    Signed-off-by: Pali Rohár <pali@kernel.org>
    Signed-off-by: Marek Behún <kabel@kernel.org>
    Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
    Reviewed-by: Marek Behún <kabel@kernel.org>
    Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    include/uapi/linux/pci_regs.h | 6 ++++++
    1 file changed, 6 insertions(+)

    --- 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 */

    \
     
     \ /
      Last update: 2021-11-16 01:04    [W:2.735 / U:0.088 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site