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Commit a5153fb8 authored by Pali Rohár's avatar Pali Rohár Committed by Greg Kroah-Hartman
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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: default avatarPali Rohár <pali@kernel.org>
Signed-off-by: default avatarMarek Behún <kabel@kernel.org>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: default avatarMarek Behún <kabel@kernel.org>
Reviewed-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3edf40b5

include/uapi/linux/pci_regs.h

+6 −0
Original line number Diff line number Diff line
@@ -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 */