summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/pci.h1
-rw-r--r--include/linux/pci_regs.h3
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 85cffb823b4..5faa8310eec 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -333,6 +333,7 @@ struct pci_dev {
unsigned int __aer_firmware_first_valid:1;
unsigned int __aer_firmware_first:1;
unsigned int broken_intx_masking:1;
+ unsigned int io_window_1k:1; /* Intel P2P bridge 1K I/O windows */
pci_dev_flags_t dev_flags;
atomic_t enable_cnt; /* pci_enable_device has been called */
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 80e8605b5f9..53274bff577 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -126,7 +126,8 @@
#define PCI_IO_RANGE_TYPE_MASK 0x0fUL /* I/O bridging type */
#define PCI_IO_RANGE_TYPE_16 0x00
#define PCI_IO_RANGE_TYPE_32 0x01
-#define PCI_IO_RANGE_MASK (~0x0fUL)
+#define PCI_IO_RANGE_MASK (~0x0fUL) /* Standard 4K I/O windows */
+#define PCI_IO_1K_RANGE_MASK (~0x03UL) /* Intel 1K I/O windows */
#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */
#define PCI_MEMORY_BASE 0x20 /* Memory range behind */
#define PCI_MEMORY_LIMIT 0x22