openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

PCI: Add two more values for PCIe Max_Read_Request_Size 

This patch adds missing values for the max read request size.
E.g. network driver r8169 uses a value of 4K.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2018-04-16 21:37:13 +02:00 committed by David S. Miller
parent 5da8baa3be
commit a5724fc383
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/uapi/linux/pci_regs.h
View File

@ -506,6 +506,8 @@
#define PCI_EXP_DEVCTL_READRQ_256B 0x1000 /* 256 Bytes */
#define PCI_EXP_DEVCTL_READRQ_512B 0x2000 /* 512 Bytes */
#define PCI_EXP_DEVCTL_READRQ_1024B 0x3000 /* 1024 Bytes */
#define PCI_EXP_DEVCTL_READRQ_2048B 0x4000 /* 2048 Bytes */
#define PCI_EXP_DEVCTL_READRQ_4096B 0x5000 /* 4096 Bytes */
#define PCI_EXP_DEVCTL_BCR_FLR 0x8000 /* Bridge Configuration Retry / FLR */
#define PCI_EXP_DEVSTA 10 /* Device Status */
#define PCI_EXP_DEVSTA_CED 0x0001 /* Correctable Error Detected */