haiku/headers/os/drivers/PCI.h
Jérôme Duval 27e6c57b6a added some PCI capabilities, wireless class values
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31020 a95241bf-73f2-0310-859d-f6bbb57e9c96
2009-06-12 21:16:04 +00:00

673 lines
24 KiB
C++

/*******************************************************************************
/
/ File: PCI.h
/
/ Description: Interface to the PCI bus.
/ For more information, see "PCI Local Bus Specification, Revision 2.1",
/ PCI Special Interest Group, 1995.
/
/ Copyright 1993-98, Be Incorporated, All Rights Reserved.
/
*******************************************************************************/
#ifndef _PCI_H
#define _PCI_H
//#include <BeBuild.h>
//#include <SupportDefs.h>
#include <bus_manager.h>
#ifdef __cplusplus
extern "C" {
#endif
/* -----
pci device info
----- */
typedef struct pci_info {
ushort vendor_id; /* vendor id */
ushort device_id; /* device id */
uchar bus; /* bus number */
uchar device; /* device number on bus */
uchar function; /* function number in device */
uchar revision; /* revision id */
uchar class_api; /* specific register interface type */
uchar class_sub; /* specific device function */
uchar class_base; /* device type (display vs network, etc) */
uchar line_size; /* cache line size in 32 bit words */
uchar latency; /* latency timer */
uchar header_type; /* header type */
uchar bist; /* built-in self-test */
uchar reserved; /* filler, for alignment */
union {
struct {
ulong cardbus_cis; /* CardBus CIS pointer */
ushort subsystem_id; /* subsystem (add-in card) id */
ushort subsystem_vendor_id; /* subsystem (add-in card) vendor id */
ulong rom_base; /* rom base address, viewed from host */
ulong rom_base_pci; /* rom base addr, viewed from pci */
ulong rom_size; /* rom size */
ulong base_registers[6]; /* base registers, viewed from host */
ulong base_registers_pci[6]; /* base registers, viewed from pci */
ulong base_register_sizes[6]; /* size of what base regs point to */
uchar base_register_flags[6]; /* flags from base address fields */
uchar interrupt_line; /* interrupt line */
uchar interrupt_pin; /* interrupt pin */
uchar min_grant; /* burst period @ 33 Mhz */
uchar max_latency; /* how often PCI access needed */
} h0;
struct {
ulong base_registers[2]; /* base registers, viewed from host */
ulong base_registers_pci[2]; /* base registers, viewed from pci */
ulong base_register_sizes[2]; /* size of what base regs point to */
uchar base_register_flags[2]; /* flags from base address fields */
uchar primary_bus;
uchar secondary_bus;
uchar subordinate_bus;
uchar secondary_latency;
uchar io_base;
uchar io_limit;
ushort secondary_status;
ushort memory_base;
ushort memory_limit;
ushort prefetchable_memory_base;
ushort prefetchable_memory_limit;
ulong prefetchable_memory_base_upper32;
ulong prefetchable_memory_limit_upper32;
ushort io_base_upper16;
ushort io_limit_upper16;
ulong rom_base; /* rom base address, viewed from host */
ulong rom_base_pci; /* rom base addr, viewed from pci */
uchar interrupt_line; /* interrupt line */
uchar interrupt_pin; /* interrupt pin */
ushort bridge_control;
ushort subsystem_id; /* subsystem (add-in card) id */
ushort subsystem_vendor_id; /* subsystem (add-in card) vendor id */
} h1;
struct {
ushort subsystem_id; /* subsystem (add-in card) id */
ushort subsystem_vendor_id; /* subsystem (add-in card) vendor id */
#ifdef __HAIKU_PCI_BUS_MANAGER_TESTING
// for testing only, not final (do not use!):
uchar primary_bus;
uchar secondary_bus;
uchar subordinate_bus;
uchar secondary_latency;
ushort reserved;
ulong memory_base;
ulong memory_limit;
ulong memory_base_upper32;
ulong memory_limit_upper32;
ulong io_base;
ulong io_limit;
ulong io_base_upper32;
ulong io_limit_upper32;
ushort secondary_status;
ushort bridge_control;
#endif /* __HAIKU_PCI_BUS_MANAGER_TESTING */
} h2;
} u;
} pci_info;
typedef struct pci_module_info pci_module_info;
struct pci_module_info {
bus_manager_info binfo;
uint8 (*read_io_8) (int mapped_io_addr);
void (*write_io_8) (int mapped_io_addr, uint8 value);
uint16 (*read_io_16) (int mapped_io_addr);
void (*write_io_16) (int mapped_io_addr, uint16 value);
uint32 (*read_io_32) (int mapped_io_addr);
void (*write_io_32) (int mapped_io_addr, uint32 value);
long (*get_nth_pci_info) (
long index, /* index into pci device table */
pci_info *info /* caller-supplied buffer for info */
);
uint32 (*read_pci_config) (
uchar bus, /* bus number */
uchar device, /* device # on bus */
uchar function, /* function # in device */
uchar offset, /* offset in configuration space */
uchar size /* # bytes to read (1, 2 or 4) */
);
void (*write_pci_config) (
uchar bus, /* bus number */
uchar device, /* device # on bus */
uchar function, /* function # in device */
uchar offset, /* offset in configuration space */
uchar size, /* # bytes to write (1, 2 or 4) */
uint32 value /* value to write */
);
void * (*ram_address) (const void *physical_address_in_system_memory);
status_t (*find_pci_capability) (
uchar bus,
uchar device,
uchar function,
uchar cap_id,
uchar *offset
);
};
#define B_PCI_MODULE_NAME "bus_managers/pci/v1"
/* ---
offsets in PCI configuration space to the elements of the predefined
header common to all header types
--- */
#define PCI_vendor_id 0x00 /* (2 byte) vendor id */
#define PCI_device_id 0x02 /* (2 byte) device id */
#define PCI_command 0x04 /* (2 byte) command */
#define PCI_status 0x06 /* (2 byte) status */
#define PCI_revision 0x08 /* (1 byte) revision id */
#define PCI_class_api 0x09 /* (1 byte) specific register interface type */
#define PCI_class_sub 0x0a /* (1 byte) specific device function */
#define PCI_class_base 0x0b /* (1 byte) device type (display vs network, etc) */
#define PCI_line_size 0x0c /* (1 byte) cache line size in 32 bit words */
#define PCI_latency 0x0d /* (1 byte) latency timer */
#define PCI_header_type 0x0e /* (1 byte) header type */
#define PCI_bist 0x0f /* (1 byte) built-in self-test */
/* ---
offsets in PCI configuration space to the elements of the predefined
header common to header types 0x00 and 0x01
--- */
#define PCI_base_registers 0x10 /* base registers (size varies) */
#define PCI_interrupt_line 0x3c /* (1 byte) interrupt line */
#define PCI_interrupt_pin 0x3d /* (1 byte) interrupt pin */
/* ---
offsets in PCI configuration space to the elements of header type 0x00
--- */
#define PCI_cardbus_cis 0x28 /* (4 bytes) CardBus CIS (Card Information Structure) pointer (see PCMCIA v2.10 Spec) */
#define PCI_subsystem_vendor_id 0x2c /* (2 bytes) subsystem (add-in card) vendor id */
#define PCI_subsystem_id 0x2e /* (2 bytes) subsystem (add-in card) id */
#define PCI_rom_base 0x30 /* (4 bytes) expansion rom base address */
#define PCI_capabilities_ptr 0x34 /* (1 byte) pointer to the start of the capabilities list */
#define PCI_min_grant 0x3e /* (1 byte) burst period @ 33 Mhz */
#define PCI_max_latency 0x3f /* (1 byte) how often PCI access needed */
/* ---
offsets in PCI configuration space to the elements of header type 0x01 (PCI-to-PCI bridge)
--- */
#define PCI_primary_bus 0x18 /* (1 byte) */
#define PCI_secondary_bus 0x19 /* (1 byte) */
#define PCI_subordinate_bus 0x1A /* (1 byte) */
#define PCI_secondary_latency 0x1B /* (1 byte) latency of secondary bus */
#define PCI_io_base 0x1C /* (1 byte) io base address register for 2ndry bus*/
#define PCI_io_limit 0x1D /* (1 byte) */
#define PCI_secondary_status 0x1E /* (2 bytes) */
#define PCI_memory_base 0x20 /* (2 bytes) */
#define PCI_memory_limit 0x22 /* (2 bytes) */
#define PCI_prefetchable_memory_base 0x24 /* (2 bytes) */
#define PCI_prefetchable_memory_limit 0x26 /* (2 bytes) */
#define PCI_prefetchable_memory_base_upper32 0x28
#define PCI_prefetchable_memory_limit_upper32 0x2C
#define PCI_io_base_upper16 0x30 /* (2 bytes) */
#define PCI_io_limit_upper16 0x32 /* (2 bytes) */
#define PCI_sub_vendor_id_1 0x34 /* (2 bytes) */
#define PCI_sub_device_id_1 0x36 /* (2 bytes) */
#define PCI_bridge_rom_base 0x38
#define PCI_bridge_control 0x3E /* (2 bytes) */
/* PCI type 2 header offsets */
#define PCI_capabilities_ptr_2 0x14 /* (1 byte) */
#define PCI_secondary_status_2 0x16 /* (2 bytes) */
#define PCI_primary_bus_2 0x18 /* (1 byte) */
#define PCI_secondary_bus_2 0x19 /* (1 byte) */
#define PCI_subordinate_bus_2 0x1A /* (1 byte) */
#define PCI_secondary_latency_2 0x1B /* (1 byte) latency of secondary bus */
#define PCI_memory_base0_2 0x1C /* (4 bytes) */
#define PCI_memory_limit0_2 0x20 /* (4 bytes) */
#define PCI_memory_base1_2 0x24 /* (4 bytes) */
#define PCI_memory_limit1_2 0x28 /* (4 bytes) */
#define PCI_io_base0_2 0x2c /* (4 bytes) */
#define PCI_io_limit0_2 0x30 /* (4 bytes) */
#define PCI_io_base1_2 0x34 /* (4 bytes) */
#define PCI_io_limit1_2 0x38 /* (4 bytes) */
#define PCI_bridge_control_2 0x3E /* (2 bytes) */
#define PCI_sub_vendor_id_2 0x40 /* (2 bytes) */
#define PCI_sub_device_id_2 0x42 /* (2 bytes) */
#define PCI_card_interface_2 0x44 /* ?? */
/* ---
values for the class_base field in the common header
--- */
#define PCI_early 0x00 /* built before class codes defined */
#define PCI_mass_storage 0x01 /* mass storage_controller */
#define PCI_network 0x02 /* network controller */
#define PCI_display 0x03 /* display controller */
#define PCI_multimedia 0x04 /* multimedia device */
#define PCI_memory 0x05 /* memory controller */
#define PCI_bridge 0x06 /* bridge controller */
#define PCI_simple_communications 0x07 /* simple communications controller */
#define PCI_base_peripheral 0x08 /* base system peripherals */
#define PCI_input 0x09 /* input devices */
#define PCI_docking_station 0x0a /* docking stations */
#define PCI_processor 0x0b /* processors */
#define PCI_serial_bus 0x0c /* serial bus controllers */
#define PCI_wireless 0x0d /* wireless controllers */
#define PCI_intelligent_io 0x0e
#define PCI_satellite_communications 0x0f
#define PCI_encryption_decryption 0x10
#define PCI_data_acquisition 0x11
#define PCI_undefined 0xFF /* not in any defined class */
/* ---
values for the class_sub field for class_base = 0x00 (built before
class codes were defined)
--- */
#define PCI_early_not_vga 0x00 /* all except vga */
#define PCI_early_vga 0x01 /* vga devices */
/* ---
values for the class_sub field for class_base = 0x01 (mass storage)
--- */
#define PCI_scsi 0x00 /* SCSI controller */
#define PCI_ide 0x01 /* IDE controller */
#define PCI_floppy 0x02 /* floppy disk controller */
#define PCI_ipi 0x03 /* IPI bus controller */
#define PCI_raid 0x04 /* RAID controller */
#define PCI_ata 0x05 /* ATA controller with ADMA interface */
#define PCI_sata 0x06 /* Serial ATA controller */
#define PCI_sas 0x07 /* Serial Attached SCSI controller */
#define PCI_mass_storage_other 0x80 /* other mass storage controller */
/* ---
values of the class_api field for
class_base = 0x01 (mass storage)
class_sub = 0x06 (Serial ATA controller)
--- */
#define PCI_sata_other 0x00 /* vendor specific interface */
#define PCI_sata_ahci 0x01 /* AHCI interface */
/* ---
values for the class_sub field for class_base = 0x02 (network)
--- */
#define PCI_ethernet 0x00 /* Ethernet controller */
#define PCI_token_ring 0x01 /* Token Ring controller */
#define PCI_fddi 0x02 /* FDDI controller */
#define PCI_atm 0x03 /* ATM controller */
#define PCI_isdn 0x04 /* ISDN controller */
#define PCI_network_other 0x80 /* other network controller */
/* ---
values for the class_sub field for class_base = 0x03 (display)
--- */
#define PCI_vga 0x00 /* VGA controller */
#define PCI_xga 0x01 /* XGA controller */
#define PCI_3d 0x02 /* 3d controller */
#define PCI_display_other 0x80 /* other display controller */
/* ---
values for the class_sub field for class_base = 0x04 (multimedia device)
--- */
#define PCI_video 0x00 /* video */
#define PCI_audio 0x01 /* audio */
#define PCI_telephony 0x02 /* computer telephony device */
#define PCI_hd_audio 0x03 /* HD audio */
#define PCI_multimedia_other 0x80 /* other multimedia device */
/* ---
values for the class_sub field for class_base = 0x05 (memory)
--- */
#define PCI_ram 0x00 /* RAM */
#define PCI_flash 0x01 /* flash */
#define PCI_memory_other 0x80 /* other memory controller */
/* ---
values for the class_sub field for class_base = 0x06 (bridge)
--- */
#define PCI_host 0x00 /* host bridge */
#define PCI_isa 0x01 /* ISA bridge */
#define PCI_eisa 0x02 /* EISA bridge */
#define PCI_microchannel 0x03 /* MicroChannel bridge */
#define PCI_pci 0x04 /* PCI-to-PCI bridge */
#define PCI_pcmcia 0x05 /* PCMCIA bridge */
#define PCI_nubus 0x06 /* NuBus bridge */
#define PCI_cardbus 0x07 /* CardBus bridge */
#define PCI_raceway 0x08 /* RACEway bridge */
#define PCI_bridge_transparent 0x09 /* PCI transparent */
#define PCI_bridge_infiniband 0x0a /* Infiniband */
#define PCI_bridge_other 0x80 /* other bridge device */
/* ---
values for the class_sub field for class_base = 0x07 (simple
communications controllers)
--- */
#define PCI_serial 0x00 /* serial port controller */
#define PCI_parallel 0x01 /* parallel port */
#define PCI_multiport_serial 0x02 /* multiport serial controller */
#define PCI_modem 0x03 /* modem */
#define PCI_simple_communications_other 0x80 /* other communications device */
/* ---
values of the class_api field for
class_base = 0x07 (simple communications), and
class_sub = 0x00 (serial port controller)
--- */
#define PCI_serial_xt 0x00 /* XT-compatible serial controller */
#define PCI_serial_16450 0x01 /* 16450-compatible serial controller */
#define PCI_serial_16550 0x02 /* 16550-compatible serial controller */
/* ---
values of the class_api field for
class_base = 0x07 (simple communications), and
class_sub = 0x01 (parallel port)
--- */
#define PCI_parallel_simple 0x00 /* simple (output-only) parallel port */
#define PCI_parallel_bidirectional 0x01 /* bidirectional parallel port */
#define PCI_parallel_ecp 0x02 /* ECP 1.x compliant parallel port */
/* ---
values for the class_sub field for class_base = 0x08 (generic
system peripherals)
--- */
#define PCI_pic 0x00 /* peripheral interrupt controller */
#define PCI_dma 0x01 /* dma controller */
#define PCI_timer 0x02 /* timers */
#define PCI_rtc 0x03 /* real time clock */
#define PCI_generic_hot_plug 0x04 /* generic PCI hot-plug controller */
#define PCI_system_peripheral_other 0x80 /* other generic system peripheral */
/* ---
values of the class_api field for
class_base = 0x08 (generic system peripherals)
class_sub = 0x00 (peripheral interrupt controller)
--- */
#define PCI_pic_8259 0x00 /* generic 8259 */
#define PCI_pic_isa 0x01 /* ISA pic */
#define PCI_pic_eisa 0x02 /* EISA pic */
/* ---
values of the class_api field for
class_base = 0x08 (generic system peripherals)
class_sub = 0x01 (dma controller)
--- */
#define PCI_dma_8237 0x00 /* generic 8237 */
#define PCI_dma_isa 0x01 /* ISA dma */
#define PCI_dma_eisa 0x02 /* EISA dma */
/* ---
values of the class_api field for
class_base = 0x08 (generic system peripherals)
class_sub = 0x02 (timer)
--- */
#define PCI_timer_8254 0x00 /* generic 8254 */
#define PCI_timer_isa 0x01 /* ISA timer */
#define PCI_timer_eisa 0x02 /* EISA timers (2 timers) */
/* ---
values of the class_api field for
class_base = 0x08 (generic system peripherals)
class_sub = 0x03 (real time clock
--- */
#define PCI_rtc_generic 0x00 /* generic real time clock */
#define PCI_rtc_isa 0x01 /* ISA real time clock */
/* ---
values for the class_sub field for class_base = 0x09 (input devices)
--- */
#define PCI_keyboard 0x00 /* keyboard controller */
#define PCI_pen 0x01 /* pen */
#define PCI_mouse 0x02 /* mouse controller */
#define PCI_scanner 0x03 /* scanner controller */
#define PCI_gameport 0x04 /* gameport controller */
#define PCI_input_other 0x80 /* other input controller */
/* ---
values for the class_sub field for class_base = 0x0a (docking stations)
--- */
#define PCI_docking_generic 0x00 /* generic docking station */
#define PCI_docking_other 0x80 /* other docking stations */
/* ---
values for the class_sub field for class_base = 0x0b (processor)
--- */
#define PCI_386 0x00 /* 386 */
#define PCI_486 0x01 /* 486 */
#define PCI_pentium 0x02 /* Pentium */
#define PCI_alpha 0x10 /* Alpha */
#define PCI_PowerPC 0x20 /* PowerPC */
#define PCI_mips 0x30 /* MIPS */
#define PCI_coprocessor 0x40 /* co-processor */
/* ---
values for the class_sub field for class_base = 0x0c (serial bus
controller)
--- */
#define PCI_firewire 0x00 /* FireWire (IEEE 1394) */
#define PCI_access 0x01 /* ACCESS bus */
#define PCI_ssa 0x02 /* SSA */
#define PCI_usb 0x03 /* Universal Serial Bus */
#define PCI_fibre_channel 0x04 /* Fibre channel */
#define PCI_smbus 0x05
#define PCI_infiniband 0x06
#define PCI_ipmi 0x07
#define PCI_sercos 0x08
#define PCI_canbus 0x09
/* ---
values of the class_api field for
class_base = 0x0c ( serial bus controller )
class_sub = 0x03 ( Universal Serial Bus )
--- */
#define PCI_usb_uhci 0x00 /* Universal Host Controller Interface */
#define PCI_usb_ohci 0x10 /* Open Host Controller Interface */
#define PCI_usb_ehci 0x20 /* Enhanced Host Controller Interface */
/* ---
values for the class_sub field for class_base = 0x0d (wireless controller)
--- */
#define PCI_wireless_irda 0x00
#define PCI_wireless_consumer_ir 0x01
#define PCI_wireless_rf 0x02
#define PCI_wireless_bluetooth 0x03
#define PCI_wireless_broadband 0x04
#define PCI_wireless_80211A 0x10
#define PCI_wireless_80211B 0x20
#define PCI_wireless_other 0x80
/* ---
masks for command register bits
--- */
#define PCI_command_io 0x001 /* 1/0 i/o space en/disabled */
#define PCI_command_memory 0x002 /* 1/0 memory space en/disabled */
#define PCI_command_master 0x004 /* 1/0 pci master en/disabled */
#define PCI_command_special 0x008 /* 1/0 pci special cycles en/disabled */
#define PCI_command_mwi 0x010 /* 1/0 memory write & invalidate en/disabled */
#define PCI_command_vga_snoop 0x020 /* 1/0 vga pallette snoop en/disabled */
#define PCI_command_parity 0x040 /* 1/0 parity check en/disabled */
#define PCI_command_address_step 0x080 /* 1/0 address stepping en/disabled */
#define PCI_command_serr 0x100 /* 1/0 SERR# en/disabled */
#define PCI_command_fastback 0x200 /* 1/0 fast back-to-back en/disabled */
#define PCI_command_int_disable 0x400 /* 1/0 interrupt generation dis/enabled */
/* ---
masks for status register bits
--- */
#define PCI_status_capabilities 0x0010 /* capabilities list */
#define PCI_status_66_MHz_capable 0x0020 /* 66 Mhz capable */
#define PCI_status_udf_supported 0x0040 /* user-definable-features (udf) supported */
#define PCI_status_fastback 0x0080 /* fast back-to-back capable */
#define PCI_status_parity_signalled 0x0100 /* parity error signalled */
#define PCI_status_devsel 0x0600 /* devsel timing (see below) */
#define PCI_status_target_abort_signalled 0x0800 /* signaled a target abort */
#define PCI_status_target_abort_received 0x1000 /* received a target abort */
#define PCI_status_master_abort_received 0x2000 /* received a master abort */
#define PCI_status_serr_signalled 0x4000 /* signalled SERR# */
#define PCI_status_parity_error_detected 0x8000 /* parity error detected */
/* ---
masks for devsel field in status register
--- */
#define PCI_status_devsel_fast 0x0000 /* fast */
#define PCI_status_devsel_medium 0x0200 /* medium */
#define PCI_status_devsel_slow 0x0400 /* slow */
/* ---
masks for header type register
--- */
#define PCI_header_type_mask 0x7F /* header type field */
#define PCI_multifunction 0x80 /* multifunction device flag */
/** types of PCI header */
#define PCI_header_type_generic 0x00
#define PCI_header_type_PCI_to_PCI_bridge 0x01
#define PCI_header_type_cardbus 0x02
/* ---
masks for built in self test (bist) register bits
--- */
#define PCI_bist_code 0x0F /* self-test completion code, 0 = success */
#define PCI_bist_start 0x40 /* 1 = start self-test */
#define PCI_bist_capable 0x80 /* 1 = self-test capable */
/** masks for flags in the various base address registers */
#define PCI_address_space 0x01 /* 0 = memory space, 1 = i/o space */
#define PCI_register_start 0x10
#define PCI_register_end 0x24
#define PCI_register_ppb_end 0x18
#define PCI_register_pcb_end 0x14
/** masks for flags in memory space base address registers */
#define PCI_address_type_32 0x00 /* locate anywhere in 32 bit space */
#define PCI_address_type_32_low 0x02 /* locate below 1 Meg */
#define PCI_address_type_64 0x04 /* locate anywhere in 64 bit space */
#define PCI_address_type 0x06 /* type (see below) */
#define PCI_address_prefetchable 0x08 /* 1 if prefetchable (see PCI spec) */
#define PCI_address_memory_32_mask 0xFFFFFFF0 /* mask to get 32bit memory space base address */
/* ---
masks for flags in i/o space base address registers
--- */
#define PCI_address_io_mask 0xFFFFFFFC /* mask to get i/o space base address */
/* ---
masks for flags in expansion rom base address registers
--- */
#define PCI_rom_enable 0x00000001 /* 1 = expansion rom decode enabled */
#define PCI_rom_address_mask 0xFFFFF800 /* mask to get expansion rom addr */
/** PCI interrupt pin values */
#define PCI_pin_mask 0x07
#define PCI_pin_none 0x00
#define PCI_pin_a 0x01
#define PCI_pin_b 0x02
#define PCI_pin_c 0x03
#define PCI_pin_d 0x04
#define PCI_pin_max 0x04
/** PCI Capability Codes */
#define PCI_cap_id_reserved 0x00
#define PCI_cap_id_pm 0x01 /* Power management */
#define PCI_cap_id_agp 0x02 /* AGP */
#define PCI_cap_id_vpd 0x03 /* Vital product data */
#define PCI_cap_id_slotid 0x04 /* Slot ID */
#define PCI_cap_id_msi 0x05 /* Message signalled interrupt */
#define PCI_cap_id_chswp 0x06 /* Compact PCI HotSwap */
#define PCI_cap_id_pcix 0x07 /* PCI-X */
#define PCI_cap_id_ldt 0x08
#define PCI_cap_id_vendspec 0x09
#define PCI_cap_id_debugport 0x0a
#define PCI_cap_id_cpci_rsrcctl 0x0b
#define PCI_cap_id_hotplug 0x0c
#define PCI_cap_id_subvendor 0x0d
#define PCI_cap_id_agp8x 0x0e
#define PCI_cap_id_secure_dev 0x0f
#define PCI_cap_id_pcie 0x10 /* PCIe (PCI express) */
#define PCI_cap_id_msix 0x11 /* MSI-X */
#define PCI_cap_id_sata 0x12 /* Serial ATA Capability */
#define PCI_cap_id_pciaf 0x13 /* PCI Advanced Features */
/** Power Management Control Status Register settings */
#define PCI_pm_mask 0x03
#define PCI_pm_ctrl 0x02
#define PCI_pm_d1supp 0x0200
#define PCI_pm_d2supp 0x0400
#define PCI_pm_status 0x04
#define PCI_pm_state_d0 0x00
#define PCI_pm_state_d1 0x01
#define PCI_pm_state_d2 0x02
#define PCI_pm_state_d3 0x03
#ifdef __cplusplus
}
#endif
#endif /* _PCI_H */