[PATCH v2] pci: export class IDs from pci_ids.h

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The basic class ID macros in pci_ids.h are pretty useful for userspace
using the pci sysfs interface, and they aren't fundamentally different
from the constants in pci_regs.h - both are defined in the
pci spec.

At the moment userspace is forced to duplicate these macros
(e.g. QEMU does this, so do seabios, gpxe, and others), it is better to
expose them in /usr/include/linux/pci_ids.h so everyone can just include
this header.

vendor/device IDs are left in include/linux/pci_ids.h -
this list isn't complete anyway, and there's no plan
to maintain all vendor IDs there.

Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
---

Greg, I apologise if this looks like I'm still pushing
this after your objections, I just feel v1 was too far
off the mark, and so lead the discussion astray.
I hope this one is less controversial, in particular, it
only exports 137 LOC.

Thanks for your time.

 include/linux/pci_ids.h      | 130 +---------------------------------------
 include/uapi/linux/pci_ids.h | 137 +++++++++++++++++++++++++++++++++++++++++++
 Documentation/PCI/pci.txt    |   2 +-
 include/uapi/linux/Kbuild    |   1 +
 4 files changed, 141 insertions(+), 129 deletions(-)
 create mode 100644 include/uapi/linux/pci_ids.h

diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index e63c02a..9f39259 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1,5 +1,5 @@
 /*
- *	PCI Class, Vendor and Device IDs
+ *	PCI Vendor and Device IDs
  *
  *	Please keep sorted.
  *
@@ -9,133 +9,7 @@
 #ifndef _LINUX_PCI_IDS_H
 #define _LINUX_PCI_IDS_H
 
-/* Device classes and subclasses */
-
-#define PCI_CLASS_NOT_DEFINED		0x0000
-#define PCI_CLASS_NOT_DEFINED_VGA	0x0001
-
-#define PCI_BASE_CLASS_STORAGE		0x01
-#define PCI_CLASS_STORAGE_SCSI		0x0100
-#define PCI_CLASS_STORAGE_IDE		0x0101
-#define PCI_CLASS_STORAGE_FLOPPY	0x0102
-#define PCI_CLASS_STORAGE_IPI		0x0103
-#define PCI_CLASS_STORAGE_RAID		0x0104
-#define PCI_CLASS_STORAGE_SATA		0x0106
-#define PCI_CLASS_STORAGE_SATA_AHCI	0x010601
-#define PCI_CLASS_STORAGE_SAS		0x0107
-#define PCI_CLASS_STORAGE_OTHER		0x0180
-
-#define PCI_BASE_CLASS_NETWORK		0x02
-#define PCI_CLASS_NETWORK_ETHERNET	0x0200
-#define PCI_CLASS_NETWORK_TOKEN_RING	0x0201
-#define PCI_CLASS_NETWORK_FDDI		0x0202
-#define PCI_CLASS_NETWORK_ATM		0x0203
-#define PCI_CLASS_NETWORK_OTHER		0x0280
-
-#define PCI_BASE_CLASS_DISPLAY		0x03
-#define PCI_CLASS_DISPLAY_VGA		0x0300
-#define PCI_CLASS_DISPLAY_XGA		0x0301
-#define PCI_CLASS_DISPLAY_3D		0x0302
-#define PCI_CLASS_DISPLAY_OTHER		0x0380
-
-#define PCI_BASE_CLASS_MULTIMEDIA	0x04
-#define PCI_CLASS_MULTIMEDIA_VIDEO	0x0400
-#define PCI_CLASS_MULTIMEDIA_AUDIO	0x0401
-#define PCI_CLASS_MULTIMEDIA_PHONE	0x0402
-#define PCI_CLASS_MULTIMEDIA_OTHER	0x0480
-
-#define PCI_BASE_CLASS_MEMORY		0x05
-#define PCI_CLASS_MEMORY_RAM		0x0500
-#define PCI_CLASS_MEMORY_FLASH		0x0501
-#define PCI_CLASS_MEMORY_OTHER		0x0580
-
-#define PCI_BASE_CLASS_BRIDGE		0x06
-#define PCI_CLASS_BRIDGE_HOST		0x0600
-#define PCI_CLASS_BRIDGE_ISA		0x0601
-#define PCI_CLASS_BRIDGE_EISA		0x0602
-#define PCI_CLASS_BRIDGE_MC		0x0603
-#define PCI_CLASS_BRIDGE_PCI		0x0604
-#define PCI_CLASS_BRIDGE_PCMCIA		0x0605
-#define PCI_CLASS_BRIDGE_NUBUS		0x0606
-#define PCI_CLASS_BRIDGE_CARDBUS	0x0607
-#define PCI_CLASS_BRIDGE_RACEWAY	0x0608
-#define PCI_CLASS_BRIDGE_OTHER		0x0680
-
-#define PCI_BASE_CLASS_COMMUNICATION	0x07
-#define PCI_CLASS_COMMUNICATION_SERIAL	0x0700
-#define PCI_CLASS_COMMUNICATION_PARALLEL 0x0701
-#define PCI_CLASS_COMMUNICATION_MULTISERIAL 0x0702
-#define PCI_CLASS_COMMUNICATION_MODEM	0x0703
-#define PCI_CLASS_COMMUNICATION_OTHER	0x0780
-
-#define PCI_BASE_CLASS_SYSTEM		0x08
-#define PCI_CLASS_SYSTEM_PIC		0x0800
-#define PCI_CLASS_SYSTEM_PIC_IOAPIC	0x080010
-#define PCI_CLASS_SYSTEM_PIC_IOXAPIC	0x080020
-#define PCI_CLASS_SYSTEM_DMA		0x0801
-#define PCI_CLASS_SYSTEM_TIMER		0x0802
-#define PCI_CLASS_SYSTEM_RTC		0x0803
-#define PCI_CLASS_SYSTEM_PCI_HOTPLUG	0x0804
-#define PCI_CLASS_SYSTEM_SDHCI		0x0805
-#define PCI_CLASS_SYSTEM_OTHER		0x0880
-
-#define PCI_BASE_CLASS_INPUT		0x09
-#define PCI_CLASS_INPUT_KEYBOARD	0x0900
-#define PCI_CLASS_INPUT_PEN		0x0901
-#define PCI_CLASS_INPUT_MOUSE		0x0902
-#define PCI_CLASS_INPUT_SCANNER		0x0903
-#define PCI_CLASS_INPUT_GAMEPORT	0x0904
-#define PCI_CLASS_INPUT_OTHER		0x0980
-
-#define PCI_BASE_CLASS_DOCKING		0x0a
-#define PCI_CLASS_DOCKING_GENERIC	0x0a00
-#define PCI_CLASS_DOCKING_OTHER		0x0a80
-
-#define PCI_BASE_CLASS_PROCESSOR	0x0b
-#define PCI_CLASS_PROCESSOR_386		0x0b00
-#define PCI_CLASS_PROCESSOR_486		0x0b01
-#define PCI_CLASS_PROCESSOR_PENTIUM	0x0b02
-#define PCI_CLASS_PROCESSOR_ALPHA	0x0b10
-#define PCI_CLASS_PROCESSOR_POWERPC	0x0b20
-#define PCI_CLASS_PROCESSOR_MIPS	0x0b30
-#define PCI_CLASS_PROCESSOR_CO		0x0b40
-
-#define PCI_BASE_CLASS_SERIAL		0x0c
-#define PCI_CLASS_SERIAL_FIREWIRE	0x0c00
-#define PCI_CLASS_SERIAL_FIREWIRE_OHCI	0x0c0010
-#define PCI_CLASS_SERIAL_ACCESS		0x0c01
-#define PCI_CLASS_SERIAL_SSA		0x0c02
-#define PCI_CLASS_SERIAL_USB		0x0c03
-#define PCI_CLASS_SERIAL_USB_UHCI	0x0c0300
-#define PCI_CLASS_SERIAL_USB_OHCI	0x0c0310
-#define PCI_CLASS_SERIAL_USB_EHCI	0x0c0320
-#define PCI_CLASS_SERIAL_USB_XHCI	0x0c0330
-#define PCI_CLASS_SERIAL_FIBER		0x0c04
-#define PCI_CLASS_SERIAL_SMBUS		0x0c05
-
-#define PCI_BASE_CLASS_WIRELESS			0x0d
-#define PCI_CLASS_WIRELESS_RF_CONTROLLER	0x0d10
-#define PCI_CLASS_WIRELESS_WHCI			0x0d1010
-
-#define PCI_BASE_CLASS_INTELLIGENT	0x0e
-#define PCI_CLASS_INTELLIGENT_I2O	0x0e00
-
-#define PCI_BASE_CLASS_SATELLITE	0x0f
-#define PCI_CLASS_SATELLITE_TV		0x0f00
-#define PCI_CLASS_SATELLITE_AUDIO	0x0f01
-#define PCI_CLASS_SATELLITE_VOICE	0x0f03
-#define PCI_CLASS_SATELLITE_DATA	0x0f04
-
-#define PCI_BASE_CLASS_CRYPT		0x10
-#define PCI_CLASS_CRYPT_NETWORK		0x1000
-#define PCI_CLASS_CRYPT_ENTERTAINMENT	0x1001
-#define PCI_CLASS_CRYPT_OTHER		0x1080
-
-#define PCI_BASE_CLASS_SIGNAL_PROCESSING 0x11
-#define PCI_CLASS_SP_DPIO		0x1100
-#define PCI_CLASS_SP_OTHER		0x1180
-
-#define PCI_CLASS_OTHERS		0xff
+#include <uapi/linux/pci_ids.h>
 
 /* Vendors and devices.  Sort key: vendor first, device next. */
 
diff --git a/include/uapi/linux/pci_ids.h b/include/uapi/linux/pci_ids.h
new file mode 100644
index 0000000..45d3f64
--- /dev/null
+++ b/include/uapi/linux/pci_ids.h
@@ -0,0 +1,137 @@
+/*
+ *	PCI Class IDs.
+ *
+ *	Please keep sorted.
+ */
+#ifndef _UAPI_LINUX_PCI_IDS_H
+#define _UAPI_LINUX_PCI_IDS_H
+
+/* Device classes and subclasses */
+
+#define PCI_CLASS_NOT_DEFINED		0x0000
+#define PCI_CLASS_NOT_DEFINED_VGA	0x0001
+
+#define PCI_BASE_CLASS_STORAGE		0x01
+#define PCI_CLASS_STORAGE_SCSI		0x0100
+#define PCI_CLASS_STORAGE_IDE		0x0101
+#define PCI_CLASS_STORAGE_FLOPPY	0x0102
+#define PCI_CLASS_STORAGE_IPI		0x0103
+#define PCI_CLASS_STORAGE_RAID		0x0104
+#define PCI_CLASS_STORAGE_SATA		0x0106
+#define PCI_CLASS_STORAGE_SATA_AHCI	0x010601
+#define PCI_CLASS_STORAGE_SAS		0x0107
+#define PCI_CLASS_STORAGE_OTHER		0x0180
+
+#define PCI_BASE_CLASS_NETWORK		0x02
+#define PCI_CLASS_NETWORK_ETHERNET	0x0200
+#define PCI_CLASS_NETWORK_TOKEN_RING	0x0201
+#define PCI_CLASS_NETWORK_FDDI		0x0202
+#define PCI_CLASS_NETWORK_ATM		0x0203
+#define PCI_CLASS_NETWORK_OTHER		0x0280
+
+#define PCI_BASE_CLASS_DISPLAY		0x03
+#define PCI_CLASS_DISPLAY_VGA		0x0300
+#define PCI_CLASS_DISPLAY_XGA		0x0301
+#define PCI_CLASS_DISPLAY_3D		0x0302
+#define PCI_CLASS_DISPLAY_OTHER		0x0380
+
+#define PCI_BASE_CLASS_MULTIMEDIA	0x04
+#define PCI_CLASS_MULTIMEDIA_VIDEO	0x0400
+#define PCI_CLASS_MULTIMEDIA_AUDIO	0x0401
+#define PCI_CLASS_MULTIMEDIA_PHONE	0x0402
+#define PCI_CLASS_MULTIMEDIA_OTHER	0x0480
+
+#define PCI_BASE_CLASS_MEMORY		0x05
+#define PCI_CLASS_MEMORY_RAM		0x0500
+#define PCI_CLASS_MEMORY_FLASH		0x0501
+#define PCI_CLASS_MEMORY_OTHER		0x0580
+
+#define PCI_BASE_CLASS_BRIDGE		0x06
+#define PCI_CLASS_BRIDGE_HOST		0x0600
+#define PCI_CLASS_BRIDGE_ISA		0x0601
+#define PCI_CLASS_BRIDGE_EISA		0x0602
+#define PCI_CLASS_BRIDGE_MC		0x0603
+#define PCI_CLASS_BRIDGE_PCI		0x0604
+#define PCI_CLASS_BRIDGE_PCMCIA		0x0605
+#define PCI_CLASS_BRIDGE_NUBUS		0x0606
+#define PCI_CLASS_BRIDGE_CARDBUS	0x0607
+#define PCI_CLASS_BRIDGE_RACEWAY	0x0608
+#define PCI_CLASS_BRIDGE_OTHER		0x0680
+
+#define PCI_BASE_CLASS_COMMUNICATION	0x07
+#define PCI_CLASS_COMMUNICATION_SERIAL	0x0700
+#define PCI_CLASS_COMMUNICATION_PARALLEL 0x0701
+#define PCI_CLASS_COMMUNICATION_MULTISERIAL 0x0702
+#define PCI_CLASS_COMMUNICATION_MODEM	0x0703
+#define PCI_CLASS_COMMUNICATION_OTHER	0x0780
+
+#define PCI_BASE_CLASS_SYSTEM		0x08
+#define PCI_CLASS_SYSTEM_PIC		0x0800
+#define PCI_CLASS_SYSTEM_PIC_IOAPIC	0x080010
+#define PCI_CLASS_SYSTEM_PIC_IOXAPIC	0x080020
+#define PCI_CLASS_SYSTEM_DMA		0x0801
+#define PCI_CLASS_SYSTEM_TIMER		0x0802
+#define PCI_CLASS_SYSTEM_RTC		0x0803
+#define PCI_CLASS_SYSTEM_PCI_HOTPLUG	0x0804
+#define PCI_CLASS_SYSTEM_SDHCI		0x0805
+#define PCI_CLASS_SYSTEM_OTHER		0x0880
+
+#define PCI_BASE_CLASS_INPUT		0x09
+#define PCI_CLASS_INPUT_KEYBOARD	0x0900
+#define PCI_CLASS_INPUT_PEN		0x0901
+#define PCI_CLASS_INPUT_MOUSE		0x0902
+#define PCI_CLASS_INPUT_SCANNER		0x0903
+#define PCI_CLASS_INPUT_GAMEPORT	0x0904
+#define PCI_CLASS_INPUT_OTHER		0x0980
+
+#define PCI_BASE_CLASS_DOCKING		0x0a
+#define PCI_CLASS_DOCKING_GENERIC	0x0a00
+#define PCI_CLASS_DOCKING_OTHER		0x0a80
+
+#define PCI_BASE_CLASS_PROCESSOR	0x0b
+#define PCI_CLASS_PROCESSOR_386		0x0b00
+#define PCI_CLASS_PROCESSOR_486		0x0b01
+#define PCI_CLASS_PROCESSOR_PENTIUM	0x0b02
+#define PCI_CLASS_PROCESSOR_ALPHA	0x0b10
+#define PCI_CLASS_PROCESSOR_POWERPC	0x0b20
+#define PCI_CLASS_PROCESSOR_MIPS	0x0b30
+#define PCI_CLASS_PROCESSOR_CO		0x0b40
+
+#define PCI_BASE_CLASS_SERIAL		0x0c
+#define PCI_CLASS_SERIAL_FIREWIRE	0x0c00
+#define PCI_CLASS_SERIAL_FIREWIRE_OHCI	0x0c0010
+#define PCI_CLASS_SERIAL_ACCESS		0x0c01
+#define PCI_CLASS_SERIAL_SSA		0x0c02
+#define PCI_CLASS_SERIAL_USB		0x0c03
+#define PCI_CLASS_SERIAL_USB_UHCI	0x0c0300
+#define PCI_CLASS_SERIAL_USB_OHCI	0x0c0310
+#define PCI_CLASS_SERIAL_USB_EHCI	0x0c0320
+#define PCI_CLASS_SERIAL_USB_XHCI	0x0c0330
+#define PCI_CLASS_SERIAL_FIBER		0x0c04
+#define PCI_CLASS_SERIAL_SMBUS		0x0c05
+
+#define PCI_BASE_CLASS_WIRELESS			0x0d
+#define PCI_CLASS_WIRELESS_RF_CONTROLLER	0x0d10
+#define PCI_CLASS_WIRELESS_WHCI			0x0d1010
+
+#define PCI_BASE_CLASS_INTELLIGENT	0x0e
+#define PCI_CLASS_INTELLIGENT_I2O	0x0e00
+
+#define PCI_BASE_CLASS_SATELLITE	0x0f
+#define PCI_CLASS_SATELLITE_TV		0x0f00
+#define PCI_CLASS_SATELLITE_AUDIO	0x0f01
+#define PCI_CLASS_SATELLITE_VOICE	0x0f03
+#define PCI_CLASS_SATELLITE_DATA	0x0f04
+
+#define PCI_BASE_CLASS_CRYPT		0x10
+#define PCI_CLASS_CRYPT_NETWORK		0x1000
+#define PCI_CLASS_CRYPT_ENTERTAINMENT	0x1001
+#define PCI_CLASS_CRYPT_OTHER		0x1080
+
+#define PCI_BASE_CLASS_SIGNAL_PROCESSING 0x11
+#define PCI_CLASS_SP_DPIO		0x1100
+#define PCI_CLASS_SP_OTHER		0x1180
+
+#define PCI_CLASS_OTHERS		0xff
+
+#endif /* _LINUX_PCI_IDS_H */
diff --git a/Documentation/PCI/pci.txt b/Documentation/PCI/pci.txt
index 9518006..53da450 100644
--- a/Documentation/PCI/pci.txt
+++ b/Documentation/PCI/pci.txt
@@ -135,7 +135,7 @@ Each entry consists of:
 
 	class		Device class, subclass, and "interface" to match.
 			See Appendix D of the PCI Local Bus Spec or
-			include/linux/pci_ids.h for a full list of classes.
+			include/uapi/linux/pci_ids.h for a full list of classes.
 			Most drivers do not need to specify class/class_mask
 			as vendor/device is normally sufficient.
 
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 68ceb97..1e16ec4 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -310,6 +310,7 @@ header-y += param.h
 header-y += parport.h
 header-y += patchkey.h
 header-y += pci.h
+header-y += pci_ids.h
 header-y += pci_regs.h
 header-y += perf_event.h
 header-y += personality.h
-- 
MST
--
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