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[pci] Allow drivers to specify a PCI class 

Allow drivers to specify a supported PCI class code.  To save space in
the final binary, make this an attribute of the driver rather than an
attribute of a PCI device ID list entry.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/34/head
Michael Brown 2015-02-02 14:31:18 +00:00
parent d38bac05e7
commit 072d656a2f
4 changed files with 63 additions and 101 deletions
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7
src/arch/i386/drivers/net/undi.c
View File

@ -68,10 +68,6 @@ static int undipci_probe ( struct pci_device *pci ) {
struct undi_rom *undirom;
int rc;
/* Ignore non-network devices */
if ( PCI_BASE_CLASS ( pci->class ) != PCI_BASE_CLASS_NETWORK )
return -ENOTTY;
/* Allocate UNDI device structure */
undi = zalloc ( sizeof ( *undi ) );
if ( ! undi )
@ -138,12 +134,13 @@ static void undipci_remove ( struct pci_device *pci ) {
}
static struct pci_device_id undipci_nics[] = {
PCI_ROM ( 0xffff, 0xffff, "undipci", "UNDI (PCI)", 0 ),
PCI_ROM ( 0xffff, 0xffff, "undipci", "UNDI (PCI)", 0 ),
};
struct pci_driver undipci_driver __pci_driver_fallback = {
.ids = undipci_nics,
.id_count = ( sizeof ( undipci_nics ) / sizeof ( undipci_nics[0] ) ),
.class = PCI_CLASS ( PCI_CLASS_NETWORK, PCI_ANY_ID, PCI_ANY_ID ),
.probe = undipci_probe,
.remove = undipci_remove,
};

9
src/drivers/bus/pci.c
View File

@ -253,6 +253,8 @@ int pci_find_driver ( struct pci_device *pci ) {
unsigned int i;
for_each_table_entry ( driver, PCI_DRIVERS ) {
if ( ( driver->class.class ^ pci->class ) & driver->class.mask )
continue;
for ( i = 0 ; i < driver->id_count ; i++ ) {
id = &driver->ids[i];
if ( ( id->vendor != PCI_ANY_ID ) &&
@ -334,14 +336,15 @@ static int pcibus_probe ( struct root_device *rootdev ) {
/* Look for a driver */
if ( ( rc = pci_find_driver ( pci ) ) != 0 ) {
DBGC ( pci, PCI_FMT " (%04x:%04x) has no driver\n",
PCI_ARGS ( pci ), pci->vendor, pci->device );
DBGC ( pci, PCI_FMT " (%04x:%04x class %06x) has no "
"driver\n", PCI_ARGS ( pci ), pci->vendor,
pci->device, pci->class );
continue;
}
/* Add to device hierarchy */
pci->dev.parent = &rootdev->dev;
list_add ( &pci->dev.siblings, &rootdev->dev.children);
list_add ( &pci->dev.siblings, &rootdev->dev.children );
/* Look for a driver */
if ( ( rc = pci_probe ( pci ) ) == 0 ) {

25
src/include/ipxe/pci.h
View File

@ -279,6 +279,29 @@ struct pci_device_id {
/** Match-anything ID */
#define PCI_ANY_ID 0xffff
/** A PCI class ID */
struct pci_class_id {
/** Class */
uint32_t class;
/** Class mask */
uint32_t mask;
};
/** Construct PCI class ID
*
* @v base Base class (or PCI_ANY_ID)
* @v sub Subclass (or PCI_ANY_ID)
* @v progif Programming interface (or PCI_ANY_ID)
*/
#define PCI_CLASS(base,sub,progif) { \
.class = ( ( ( (base) & 0xff ) << 16 ) | \
( ( (sub) & 0xff ) << 8 ) | \
( ( (progif) & 0xff) << 0 ) ), \
.mask = ( ( ( ( (base) == PCI_ANY_ID ) ? 0x00 : 0xff ) << 16 ) | \
( ( ( (sub) == PCI_ANY_ID ) ? 0x00 : 0xff ) << 8 ) | \
( ( ( (progif) == PCI_ANY_ID ) ? 0x00 : 0xff ) << 0 ) ), \
}
/** A PCI device */
struct pci_device {
/** Generic device */
@ -322,6 +345,8 @@ struct pci_driver {
struct pci_device_id *ids;
/** Number of entries in PCI ID table */
unsigned int id_count;
/** PCI class ID */
struct pci_class_id class;
/**
* Probe device
*

123
src/include/ipxe/pci_ids.h
View File

@ -11,116 +11,53 @@ FILE_LICENCE ( GPL2_ONLY );
/* Device classes and subclasses */
#define PCI_CLASS_NOT_DEFINED 0x0000
#define PCI_CLASS_NOT_DEFINED_VGA 0x0001
#define PCI_CLASS_NONE 0x00
#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_OTHER 0x0180
#define PCI_CLASS_STORAGE 0x01
#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_CLASS_NETWORK 0x02
#define PCI_CLASS_NETWORK_ETHERNET 0x00
#define PCI_CLASS_NETWORK_TOKENRING 0x01
#define PCI_CLASS_NETWORK_FDDI 0x02
#define PCI_CLASS_NETWORK_ATM 0x03
#define PCI_CLASS_NETWORK_ISDN 0x04
#define PCI_CLASS_NETWORK_WORLDFIP 0x05
#define PCI_CLASS_NETWORK_PICMG 0x06
#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_CLASS_DISPLAY 0x03
#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_CLASS_MEDIA 0x04
#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_CLASS_MEMORY 0x05
#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_CLASS_BRIDGE 0x06
#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_CLASS_COMMS 0x07
#define PCI_BASE_CLASS_SYSTEM 0x08
#define PCI_CLASS_SYSTEM_PIC 0x0800
#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_OTHER 0x0880
#define PCI_CLASS_GENERIC 0x08
#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_CLASS_INPUT 0x09
#define PCI_BASE_CLASS_DOCKING 0x0a
#define PCI_CLASS_DOCKING_GENERIC 0x0a00
#define PCI_CLASS_DOCKING_OTHER 0x0a80
#define PCI_CLASS_DOCK 0x0a
#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_CLASS_CPU 0x0b
#define PCI_BASE_CLASS_SERIAL 0x0c
#define PCI_CLASS_SERIAL_FIREWIRE 0x0c00
#define PCI_CLASS_SERIAL_ACCESS 0x0c01
#define PCI_CLASS_SERIAL_SSA 0x0c02
#define PCI_CLASS_SERIAL_USB 0x0c03
#define PCI_CLASS_SERIAL_FIBER 0x0c04
#define PCI_CLASS_SERIAL_SMBUS 0x0c05
#define PCI_CLASS_SERIAL 0x0c
#define PCI_CLASS_SERIAL_USB 0x03
#define PCI_CLASS_SERIAL_USB_UHCI 0x00
#define PCI_CLASS_SERIAL_USB_OHCI 0x10
#define PCI_CLASS_SERIAL_USB_EHCI 0x20
#define PCI_CLASS_SERIAL_USB_XHCI 0x30
#define PCI_BASE_CLASS_INTELLIGENT 0x0e
#define PCI_CLASS_INTELLIGENT_I2O 0x0e00
#define PCI_CLASS_WIFI 0x0d
#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_CLASS_IO 0x0e
#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_CLASS_SATELLITE 0x0f
#define PCI_BASE_CLASS_SIGNAL_PROCESSING 0x11
#define PCI_CLASS_SP_DPIO 0x1100
#define PCI_CLASS_SP_OTHER 0x1180
#define PCI_CLASS_CRYPTO 0x10
#define PCI_CLASS_OTHERS 0xff
#define PCI_CLASS_DATA 0x11
/* Vendors */