1 files changed, 13 insertions, 0 deletions

diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 495d368390e0..423d592c55d5 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -316,7 +316,20 @@
 #define PCI_X_CMD               2       /* Modes & Features */
 #define  PCI_X_CMD_DPERR_E      0x0001  /* Data Parity Error Recovery Enable */
 #define  PCI_X_CMD_ERO          0x0002  /* Enable Relaxed Ordering */
+#define  PCI_X_CMD_READ_512     0x0000  /* 512 byte maximum read byte count */
+#define  PCI_X_CMD_READ_1K      0x0004  /* 1Kbyte maximum read byte count */
+#define  PCI_X_CMD_READ_2K      0x0008  /* 2Kbyte maximum read byte count */
+#define  PCI_X_CMD_READ_4K      0x000c  /* 4Kbyte maximum read byte count */
 #define  PCI_X_CMD_MAX_READ     0x000c  /* Max Memory Read Byte Count */
+                                /* Max # of outstanding split transactions */
+#define  PCI_X_CMD_SPLIT_1      0x0000  /* Max 1 */
+#define  PCI_X_CMD_SPLIT_2      0x0010  /* Max 2 */
+#define  PCI_X_CMD_SPLIT_3      0x0020  /* Max 3 */
+#define  PCI_X_CMD_SPLIT_4      0x0030  /* Max 4 */
+#define  PCI_X_CMD_SPLIT_8      0x0040  /* Max 8 */
+#define  PCI_X_CMD_SPLIT_12     0x0050  /* Max 12 */
+#define  PCI_X_CMD_SPLIT_16     0x0060  /* Max 16 */
+#define  PCI_X_CMD_SPLIT_32     0x0070  /* Max 32 */
 #define  PCI_X_CMD_MAX_SPLIT    0x0070  /* Max Outstanding Split Transactions */
 #define  PCI_X_CMD_VERSION(x)   (((x) >> 12) & 3) /* Version */
 #define PCI_X_STATUS            4       /* PCI-X capabilities */