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authorPali Rohár <pali@kernel.org>2021-10-05 20:09:40 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-11-26 11:36:18 +0100
commita5153fb8baa29202227a4f809eaec3c4203ebcf5 (patch)
treecce8c711024a6ce22bb9f8e7d47d42ab1246759f /include/uapi
parent3edf40b5e75a2b69d6e88022a87b9a4aeb29c1d3 (diff)
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PCI: Add PCI_EXP_DEVCTL_PAYLOAD_* macros
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>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/pci_regs.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index ee556ccc93f4..8d2767140798 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -497,6 +497,12 @@
#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 */