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Last active January 15, 2021 08:02
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Read Intel PCH GPIOs and Display Interrupt Enable status
Raw
.gitignore
gpioke
gpioke.exe
Raw
readme.txt
# PCHGPIO
## Compiling on Windows
```bash
cd pchgpio
```
Select one of WinIo line of Makefile.win
```bash
make -f Makefile.win
```
## Compiling on Linux
```bash
cd pchgpio
make -f Makefile.linux
```
Raw
config.h
#define PCI_ARCH_I386
#define PCI_OS_WINDOWS
#define PCI_HAVE_PM_INTEL_CONF
#define PCI_IDS "pci.ids"
#define PCI_PATH_IDS_DIR "."
#define PCILIB_VERSION "@VERSION@"
Raw
gpioke.c
/*
* See:
* - http://lxr.free-electrons.com/source/drivers/mfd/lpc_ich.c
* - http://lxr.free-electrons.com/source/drivers/gpio/gpio-ich.c
* - Intel document 252516-001 (ICH5)
* - Intel document 330550-002 (9 Series PCH)
* - Intel documents 332690-004 and 332691-002EN (100 Series PCH)
* - Original source: https://lab.whitequark.org/notes/2017-11-08/accessing-intel-ich-pch-gpios/
*/
#include <stdio.h>
#include <stdint.h>
#ifdef __linux__
#include <unistd.h>
#include <fcntl.h>
#include <sys/io.h>
#include <sys/mman.h>
#include <sys/errno.h>
#include <pci/pci.h> // under ubuntu, use apt-get install libpci-dev to get this file
#else
#include <stdbool.h>
#include <windows.h>
#include "winio.h"
#include "pci.h"
#endif
/*
* GPIO register offsets in GPIO I/O space.
* Each chunk of 32 GPIOs is manipulated via its own USE_SELx, IO_SELx, and
* LVLx registers. Logic in the read/write functions takes a register and
* an absolute bit number and determines the proper register offset and bit
* number in that register. For example, to read the value of GPIO bit 50
* the code would access offset ichx_regs[2(=GPIO_LVL)][1(=50/32)],
* bit 18 (50%32).
*/
enum GPIO_REG
{
GPIO_USE_SEL = 0,
GPIO_IO_SEL,
GPIO_LVL,
};
static const uint8_t ichx_regs[4][3] = {
{0x00, 0x30, 0x40}, /* USE_SEL[1-3] offsets */
{0x04, 0x34, 0x44}, /* IO_SEL[1-3] offsets */
{0x0c, 0x38, 0x48}, /* LVL[1-3] offsets */
};
/*
* Generic PCI configuration space registers.
*/
#define REG_VENDOR 0x00
#define REG_DEVICE 0x04
/*
* D31:F0 configuration space registers.
*/
#define REG_ICH0_GPIOBASE 0x58
#define REG_ICH0_GC 0x5c
#define REG_ICH6_GPIOBASE 0x48
#define REG_ICH6_GC 0x4c
#define REG_ICHx_GC_EN 0x10
#define REG_ICHx_GC_GLE 0x01
/*
* D31:F1 configuration space registers.
*/
#define REG_P2SB_BAR 0x10
#define REG_P2SB_BARH 0x14
#define REG_P2SB_CTRL 0xe0
#define REG_P2SB_CTRL_HIDE 0x0100
/*
* P2SB private registers.
*/
#define P2SB_PORTID_SHIFT 16
#define P2SB_PORT_GPIO3 0xAC
#define P2SB_PORT_GPIO2 0xAD
#define P2SB_PORT_GPIO1 0xAE
#define P2SB_PORT_GPIO0 0xAF
/*
* GPIO sideband registers.
*/
#define REG_PCH_GPIO_FAMBAR 0x8
#define REG_PCH_GPIO_PADBAR 0xc
#define REG_PCH_GPIO_PAD_OWN 0x20
#define REG_PCH_GPIO_HOSTSW_OWN 0xd0
#define REG_PCH_GPIO_GPI_IS 0x100
#define REG_PCH_GPIO_GPI_IE 0x120
#define REG_PCH_GPIO_GPE_STS 0x140
#define REG_PCH_GPIO_GPE_EN 0x160
#define REG_PCH_GPIO_SMI_STS 0x184
#define REG_PCH_GPIO_SMI_EN 0x1a4
#define REG_PCH_GPIO_NMI_STS 0x1c4
#define REG_PCH_GPIO_NMI_EN 0x1e4
#define REG_PCH_GPIO_DW0_PMODE 0x1C00
#define REG_PCH_GPIO_DW0_RXDIS 0x0200
#define REG_PCH_GPIO_DW0_TXDIS 0x0100
#define REG_PCH_GPIO_DW0_RXSTATE 0x0002
#define REG_PCH_GPIO_DW0_TXSTATE 0x0001
#define REG_PCH_GPIO_DW1_TERM_NONE 0x0
#define REG_PCH_GPIO_DW1_TERM_5K_PD 0x2
#define REG_PCH_GPIO_DW1_TERM_20K_PD 0x4
#define REG_PCH_GPIO_DW1_TERM_5K_PU 0xa
#define REG_PCH_GPIO_DW1_TERM_20K_PU 0xc
#define REG_PCH_GPIO_DW1_TERM_NATIVE 0xf
/*
* Helper functions.
*/
#define MSG(...) \
do \
{ \
fprintf(stderr, "[*] " __VA_ARGS__); \
fprintf(stderr, "\n"); \
} while (0)
#define ERR(...) \
do \
{ \
fprintf(stderr, "[-] " __VA_ARGS__); \
fprintf(stderr, "\n"); \
return 1; \
} while (0)
#define DIE(...) \
do \
{ \
*fatal = 1; \
ERR(__VA_ARGS__) \
} while (0)
struct pci_dev *pci_find_dev(struct pci_access *pci, uint8_t bus, uint8_t dev, uint8_t func)
{
for (struct pci_dev *it = pci->devices; it; it = it->next)
{
if (it->bus == bus && it->dev == dev && it->func == func)
return it;
}
return NULL;
}
/*
* Finally, our main logic!
*/
int try_ich(struct pci_access *pci,
uint16_t reg_gpiobase, uint16_t reg_gc,
const char *desc, int *fatal)
{
MSG("Checking for a %s system", desc);
struct pci_dev *d31f0 = pci_find_dev(pci, 0, 31, 0);
uint32_t gpiobase = pci_read_long(d31f0, reg_gpiobase);
uint8_t gc = pci_read_byte(d31f0, reg_gc);
MSG("GPIOBASE=%08x, GC=%02x", gpiobase, gc);
if (gpiobase == 0xffffffff)
{
*fatal = 1;
ERR("Cannot read GPIOBASE, are you running me as root?");
}
else if (gpiobase == 0)
{
ERR("GPIOBASE not implemented at %04x", reg_gpiobase);
}
else if (!(gpiobase & 1))
{
*fatal = 1;
ERR("GPIOBASE is not an I/O BAR");
}
if (!(gpiobase & 0xfffc))
{
const uint32_t DEFAULT_GPIOBASE = 0x0480;
MSG("GPIOBASE is not configured, setting to %08x and hoping this works", DEFAULT_GPIOBASE);
pci_write_long(d31f0, reg_gpiobase, DEFAULT_GPIOBASE);
gpiobase = pci_read_long(d31f0, reg_gpiobase);
if ((gpiobase & 0xfffc) != DEFAULT_GPIOBASE)
{
ERR("Cannot set GPIOBASE");
}
}
MSG("GPIO decoding is %s", (gc & REG_ICHx_GC_EN) ? "enabled" : "disabled");
MSG("GPIO lockdown is %s", (gc & REG_ICHx_GC_GLE) ? "enabled" : "disabled");
if (!(gc & REG_ICHx_GC_EN))
{
MSG("Enabling GPIO decoding");
pci_write_byte(d31f0, reg_gc, gc | REG_ICHx_GC_EN);
gc = pci_read_byte(d31f0, reg_gc);
if (!(gc & REG_ICHx_GC_EN))
{
ERR("Cannot enable GPIO decoding");
}
}
gpiobase &= 0xfffc;
#ifdef __linux__
if (ioperm(gpiobase, 128, 1) == -1)
{
ERR("Cannot access I/O ports %04x:%04x", gpiobase, gpiobase + 128);
}
for (int n = 1; n < 3; n++)
{
MSG("USE_SEL%d=%08x", n, inl(gpiobase + ichx_regs[GPIO_USE_SEL][n]));
MSG("IO_SEL%d=%08x", n, inl(gpiobase + ichx_regs[GPIO_IO_SEL][n]));
MSG("LVL%d=%08x", n, inl(gpiobase + ichx_regs[GPIO_LVL][n]));
}
#else
DWORD value;
for (int n = 1; n < 3; n++)
{
MSG("USE_SEL%d=%08x", n, GetPortVal(gpiobase + ichx_regs[GPIO_USE_SEL][n], &value, 4));
MSG("IO_SEL%d=%08x", n, GetPortVal(gpiobase + ichx_regs[GPIO_IO_SEL][n], &value, 4));
MSG("LVL%d=%08x", n, GetPortVal(gpiobase + ichx_regs[GPIO_LVL][n], &value, 4));
}
#endif
return 0;
}
int get_pch_sbreg_addr(struct pci_access *pci, pciaddr_t *sbreg_addr)
{
MSG("Checking for a Series 10 PCH system");
struct pci_dev *d31f1 = pci_get_dev(pci, 0, 0, 31, 1);
pci_fill_info(d31f1, PCI_FILL_IDENT);
if (d31f1->vendor_id == 0xffff)
{
MSG("Cannot find D31:F1, assuming it is hidden by firmware");
uint32_t p2sb_ctrl = pci_read_long(d31f1, REG_P2SB_CTRL);
MSG("P2SB_CTRL=%02x", p2sb_ctrl);
if (!(p2sb_ctrl & REG_P2SB_CTRL_HIDE))
{
ERR("D31:F1 is hidden but P2SB_E1 is not 0xff, bailing out");
}
MSG("Unhiding P2SB");
pci_write_long(d31f1, REG_P2SB_CTRL, p2sb_ctrl & ~REG_P2SB_CTRL_HIDE);
p2sb_ctrl = pci_read_long(d31f1, REG_P2SB_CTRL);
MSG("P2SB_CTRL=%02x", p2sb_ctrl);
if (p2sb_ctrl & REG_P2SB_CTRL_HIDE)
{
ERR("Cannot unhide PS2B");
}
pci_fill_info(d31f1, PCI_FILL_RESCAN | PCI_FILL_IDENT);
if (d31f1->vendor_id == 0xffff)
{
ERR("P2SB unhidden but does not enumerate, bailing out");
}
}
pci_fill_info(d31f1, PCI_FILL_RESCAN | PCI_FILL_IDENT | PCI_FILL_BASES);
if (d31f1->vendor_id != 0x8086)
{
ERR("Vendor of D31:F1 is not Intel");
}
else if ((uint32_t)d31f1->base_addr[0] == 0xffffffff)
{
ERR("SBREG_BAR is not implemented in D31:F1");
}
*sbreg_addr = d31f1->base_addr[0] & ~0xf;
MSG("SBREG_ADDR=%08lx", *sbreg_addr);
MSG("Hiding P2SB again");
uint32_t p2sb_ctrl = pci_read_long(d31f1, REG_P2SB_CTRL);
pci_write_long(d31f1, REG_P2SB_CTRL, p2sb_ctrl | REG_P2SB_CTRL_HIDE);
pci_fill_info(d31f1, PCI_FILL_RESCAN | PCI_FILL_IDENT);
if (d31f1->vendor_id != 0xffff)
{
ERR("Cannot hide P2SB");
}
return 0;
}
uint32_t sideband_read(void *sbmap, uint8_t port, uint16_t reg)
{
#ifdef __linux__
uintptr_t addr = ((uintptr_t)sbmap + (port << P2SB_PORTID_SHIFT) + reg);
return *((volatile uint32_t *)addr);
#else
DWORD value;
GetPhysLong(((PBYTE)sbmap+(port<<P2SB_PORTID_SHIFT)+reg), &value);
return value;
#endif
}
void sideband_write(void *sbmap, uint8_t port, uint16_t reg, uint32_t value)
{
#ifdef __linux__
uintptr_t addr = ((uintptr_t)sbmap + (port << P2SB_PORTID_SHIFT) + reg);
*((volatile uint32_t *)addr) = value;
#else
SetPhysLong(((PBYTE)sbmap+(port<<P2SB_PORTID_SHIFT)+reg), value);
#endif
}
int try_pch(struct pci_access *pci)
{
pciaddr_t sbreg_addr;
if (get_pch_sbreg_addr(pci, &sbreg_addr))
{
MSG("Re-enumerating PCI devices will probably crash the system");
ERR("Probing Series 100 PCH failed");
}
#ifdef __linux__
int memfd = open("/dev/mem", O_RDWR);
if (memfd == -1)
{
ERR("Cannot open /dev/mem");
}
void *sbmap = mmap((void *)sbreg_addr, 1 << 24, PROT_READ | PROT_WRITE, MAP_SHARED,
memfd, sbreg_addr);
if (sbmap == MAP_FAILED)
{
if (errno == EPERM)
{
// The requirement might be relaxed to CONFIG_IO_DEVMEM_STRICT=n, but I'm not sure.
MSG("Is your kernel configured with CONFIG_DEVMEM_STRICT=n?");
}
ERR("Cannot map SBREG");
}
close(memfd);
#else
PBYTE sbmap = (PBYTE)((u64)sbreg_addr);
#endif
uint32_t miscConfig = sideband_read(sbmap, P2SB_PORT_GPIO1, 0x10);
printf("miscConfig=0x%x\n", miscConfig);
//sideband_write(sbmap, P2SB_PORT_GPIO1, 0x10, 0x45603); // no need to do this 436 and 456 are both ok
//miscConfig = sideband_read(sbmap, P2SB_PORT_GPIO1, 0x10);
//printf("miscConfig=0x%x\n", miscConfig);
uint32_t padOwnD0 = sideband_read(sbmap, P2SB_PORT_GPIO1, 0x2C);
printf("padOwnD0=0x%x\n", padOwnD0);
uint32_t padOwnD1 = sideband_read(sbmap, P2SB_PORT_GPIO1, 0x30);
printf("padOwnD1=0x%x\n", padOwnD1);
uint32_t padOwnD2 = sideband_read(sbmap, P2SB_PORT_GPIO1, 0x34);
printf("padOwnD2=0x%x\n", padOwnD2);
uint32_t padConfigLockD = sideband_read(sbmap, P2SB_PORT_GPIO1, 0x98);
printf("padConfigLockD=0x%x\n", padConfigLockD);
uint32_t padConfigTxLockD = sideband_read(sbmap, P2SB_PORT_GPIO1, 0x9C);
printf("padConfigTxLockD=0x%x\n", padConfigTxLockD);
uint32_t padHostSWOwnD = sideband_read(sbmap, P2SB_PORT_GPIO1, 0xD4);
printf("padHostSWOwnD=0x%x\n", padHostSWOwnD);
//for(unsigned port = 0; port < 4; port++) {
for (int i = 0; i < 100; i++)
{
#ifdef __linux__
sleep(1);
#else
Sleep(1000);
#endif
unsigned port = 1;
uint16_t port_id = P2SB_PORT_GPIO0 - port;
uint32_t padbar = sideband_read(sbmap, port_id, REG_PCH_GPIO_PADBAR);
MSG("GPIO%d_PADBAR=%x", port, padbar); // 0x400
for (unsigned pad = 0; pad < 4; pad++)
{
uint32_t dw0 = sideband_read(sbmap, port_id, 0x4c0 + pad * 8);
uint32_t dw1 = sideband_read(sbmap, port_id, 0x4c0 + pad * 8 + 4);
if (dw1 == 0)
{
// Not documented as such, but appears to be a reliable last pad marker.
break;
}
const char *state = "???", *rxstate = "", *txstate = "";
if ((dw0 & REG_PCH_GPIO_DW0_PMODE) != 0)
{
state = "Native";
printf("Native\n");
sideband_write(sbmap, port_id, 0x4c0 + pad * 8, (dw0 & 0xfffffdff));
}
else if ((dw0 & REG_PCH_GPIO_DW0_TXDIS) != 0 &&
(dw0 & REG_PCH_GPIO_DW0_RXDIS) != 0)
{
state = "Off";
printf("off\n");
sideband_write(sbmap, port_id, 0x4c0 + pad * 8, (dw0 & 0xfffffdff));
}
else
{
state = "GPIO";
if ((dw0 & REG_PCH_GPIO_DW0_RXDIS) == 0)
{
if ((dw0 & REG_PCH_GPIO_DW0_RXSTATE) != 0)
{
rxstate = " InHigh";
}
else
{
rxstate = " InLow";
}
}
if ((dw0 & REG_PCH_GPIO_DW0_TXDIS) == 0)
{
if ((dw0 & REG_PCH_GPIO_DW0_TXSTATE) != 0)
{
txstate = " OutHigh";
}
else
{
txstate = " OutLow";
}
}
}
dw0 = sideband_read(sbmap, port_id, 0x4c0 + pad * 8);
if ((dw0 & REG_PCH_GPIO_DW0_PMODE) != 0)
{
state = "Native";
printf("Native\n");
sideband_write(sbmap, port_id, 0x4c0 + pad * 8, (dw0 & 0xfffffdff));
}
else if ((dw0 & REG_PCH_GPIO_DW0_TXDIS) != 0 &&
(dw0 & REG_PCH_GPIO_DW0_RXDIS) != 0)
{
state = "Off";
}
else
{
state = "GPIO";
if ((dw0 & REG_PCH_GPIO_DW0_RXDIS) == 0)
{
if ((dw0 & REG_PCH_GPIO_DW0_RXSTATE) != 0)
{
rxstate = " InHigh";
}
else
{
rxstate = " InLow";
}
}
if ((dw0 & REG_PCH_GPIO_DW0_TXDIS) == 0)
{
if ((dw0 & REG_PCH_GPIO_DW0_TXSTATE) != 0)
{
txstate = " OutHigh";
}
else
{
txstate = " OutLow";
}
}
}
const char *pull = "???";
switch (dw1 >> 10)
{
case REG_PCH_GPIO_DW1_TERM_NONE:
pull = "None";
break;
case REG_PCH_GPIO_DW1_TERM_5K_PD:
pull = "Dn5k";
break;
case REG_PCH_GPIO_DW1_TERM_20K_PD:
pull = "Dn20k";
break;
case REG_PCH_GPIO_DW1_TERM_5K_PU:
pull = "Up5k";
break;
case REG_PCH_GPIO_DW1_TERM_20K_PU:
pull = "Up20k";
break;
case REG_PCH_GPIO_DW1_TERM_NATIVE:
pull = "Native";
break;
}
printf("[+] GPIO%d_PAD%d: DW0=%08x DW1=%08x State=%s%s%s Pull=%s\n",
port, pad, dw0, dw1, state, rxstate, txstate, pull);
}
//}
//uint32_t is_reg = sideband_read(sbmap, port_id, REG_PCH_GPIO_GPI_IS);
MSG("Interrupt Enable Registers:");
printf("[+] GPI_IE_GPP_A = 0x%08x\n", sideband_read(sbmap, P2SB_PORT_GPIO0 - 0, REG_PCH_GPIO_GPI_IE + 0x00));
printf("[+] GPI_IE_GPP_B = 0x%08x\n", sideband_read(sbmap, P2SB_PORT_GPIO0 - 0, REG_PCH_GPIO_GPI_IE + 0x04));
printf("[+] GPI_IE_GPP_C = 0x%08x\n", sideband_read(sbmap, P2SB_PORT_GPIO0 - 1, REG_PCH_GPIO_GPI_IE + 0x00));
printf("[+] GPI_IE_GPP_D = 0x%08x\n", sideband_read(sbmap, P2SB_PORT_GPIO0 - 1, REG_PCH_GPIO_GPI_IE + 0x04));
printf("[+] GPI_IE_GPP_E = 0x%08x\n", sideband_read(sbmap, P2SB_PORT_GPIO0 - 1, REG_PCH_GPIO_GPI_IE + 0x08));
printf("[+] GPI_IE_GPP_F = 0x%08x\n", sideband_read(sbmap, P2SB_PORT_GPIO0 - 1, REG_PCH_GPIO_GPI_IE + 0x0c));
printf("[+] GPI_IE_GPP_G = 0x%08x\n", sideband_read(sbmap, P2SB_PORT_GPIO0 - 1, REG_PCH_GPIO_GPI_IE + 0x10));
printf("[+] GPI_IE_GPP_H = 0x%08x\n", sideband_read(sbmap, P2SB_PORT_GPIO0 - 1, REG_PCH_GPIO_GPI_IE + 0x14));
printf("[+] GPI_IE_GPP_I = 0x%08x\n", sideband_read(sbmap, P2SB_PORT_GPIO0 - 3, REG_PCH_GPIO_GPI_IE + 0x00));
}
return 0;
}
int create_pci(int method, struct pci_access **pci_out)
{
struct pci_access *pci = pci_alloc();
pci->method = method;
pci_init(pci);
pci_scan_bus(pci);
struct pci_dev *d31f0 = pci_find_dev(pci, 0, 31, 0);
if (!d31f0)
{
ERR("Cannot find D31:F0");
}
pci_fill_info(d31f0, PCI_FILL_IDENT | PCI_FILL_BASES);
if (d31f0->vendor_id != 0x8086)
{
ERR("Vendor of D31:F0 is not Intel");
}
*pci_out = pci;
return 0;
}
int main()
{
#ifndef __linux__
if (!InitializeWinIo()) {
ERR("Cannot initialize WinIo\n");
return 1;
}
#endif
struct pci_access *pci;
#ifdef __linux__
if (create_pci(PCI_ACCESS_AUTO, &pci))
{
MSG("Is this an Intel platform?");
return 1;
}
int fatal = 0;
if (try_ich(pci, REG_ICH0_GPIOBASE, REG_ICH0_GC,
"ICH0..ICH5", &fatal) &&
fatal)
{
return 1;
}
else if (try_ich(pci, REG_ICH6_GPIOBASE, REG_ICH6_GC,
"ICH6..ICH9 or Series 5..9 PCH", &fatal) &&
fatal)
{
return 1;
}
else
{
pci_cleanup(pci);
// Letting Linux discover P2SB (and reassign its BAR) hangs the system,
// so we need to enumerate the device bypassing it.
if (create_pci(PCI_ACCESS_I386_TYPE1, &pci))
{
return 1;
}
if (try_pch(pci))
{
return 1;
}
}
#else
if (create_pci(PCI_ACCESS_I386_TYPE1, &pci))
{
return 1;
}
if (try_pch(pci))
{
return 1;
}
#endif
#ifndef __linux__
ShutdownWinIo();
#endif
printf("[+] Done\n");
return 0;
}
Raw
header.h
/*
* The PCI Library -- PCI Header Structure (based on <linux/pci.h>)
*
* Copyright (c) 1997--2010 Martin Mares <[email protected]>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
/*
* Under PCI, each device has 256 bytes of configuration address space,
* of which the first 64 bytes are standardized as follows:
*/
#define PCI_VENDOR_ID 0x00 /* 16 bits */
#define PCI_DEVICE_ID 0x02 /* 16 bits */
#define PCI_COMMAND 0x04 /* 16 bits */
#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */
#define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
#define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */
#define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */
#define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */
#define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */
#define PCI_COMMAND_PARITY 0x40 /* Enable parity checking */
#define PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */
#define PCI_COMMAND_SERR 0x100 /* Enable SERR */
#define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */
#define PCI_COMMAND_DISABLE_INTx 0x400 /* PCIE: Disable INTx interrupts */
#define PCI_STATUS 0x06 /* 16 bits */
#define PCI_STATUS_INTx 0x08 /* PCIE: INTx interrupt pending */
#define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */
#define PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */
#define PCI_STATUS_UDF 0x40 /* Support User Definable Features [obsolete] */
#define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */
#define PCI_STATUS_PARITY 0x100 /* Detected parity error */
#define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */
#define PCI_STATUS_DEVSEL_FAST 0x000
#define PCI_STATUS_DEVSEL_MEDIUM 0x200
#define PCI_STATUS_DEVSEL_SLOW 0x400
#define PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */
#define PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */
#define PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */
#define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */
#define PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */
#define PCI_CLASS_REVISION 0x08 /* High 24 bits are class, low 8
revision */
#define PCI_REVISION_ID 0x08 /* Revision ID */
#define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */
#define PCI_CLASS_DEVICE 0x0a /* Device class */
#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */
#define PCI_LATENCY_TIMER 0x0d /* 8 bits */
#define PCI_HEADER_TYPE 0x0e /* 8 bits */
#define PCI_HEADER_TYPE_NORMAL 0
#define PCI_HEADER_TYPE_BRIDGE 1
#define PCI_HEADER_TYPE_CARDBUS 2
#define PCI_BIST 0x0f /* 8 bits */
#define PCI_BIST_CODE_MASK 0x0f /* Return result */
#define PCI_BIST_START 0x40 /* 1 to start BIST, 2 secs or less */
#define PCI_BIST_CAPABLE 0x80 /* 1 if BIST capable */
/*
* Base addresses specify locations in memory or I/O space.
* Decoded size can be determined by writing a value of
* 0xffffffff to the register, and reading it back. Only
* 1 bits are decoded.
*/
#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
#define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */
#define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */
#define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */
#define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */
#define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */
#define PCI_BASE_ADDRESS_SPACE 0x01 /* 0 = memory, 1 = I/O */
#define PCI_BASE_ADDRESS_SPACE_IO 0x01
#define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00
#define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06
#define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00 /* 32 bit address */
#define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
#define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */
#define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08 /* prefetchable? */
#define PCI_BASE_ADDRESS_MEM_MASK (~(pciaddr_t)0x0f)
#define PCI_BASE_ADDRESS_IO_MASK (~(pciaddr_t)0x03)
/* bit 1 is reserved if address_space = 1 */
/* Header type 0 (normal devices) */
#define PCI_CARDBUS_CIS 0x28
#define PCI_SUBSYSTEM_VENDOR_ID 0x2c
#define PCI_SUBSYSTEM_ID 0x2e
#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */
#define PCI_ROM_ADDRESS_ENABLE 0x01
#define PCI_ROM_ADDRESS_MASK (~(pciaddr_t)0x7ff)
#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */
/* 0x35-0x3b are reserved */
#define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
#define PCI_INTERRUPT_PIN 0x3d /* 8 bits */
#define PCI_MIN_GNT 0x3e /* 8 bits */
#define PCI_MAX_LAT 0x3f /* 8 bits */
/* Header type 1 (PCI-to-PCI bridges) */
#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
#define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge */
#define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary interface */
#define PCI_IO_BASE 0x1c /* I/O range behind the bridge */
#define PCI_IO_LIMIT 0x1d
#define PCI_IO_RANGE_TYPE_MASK 0x0f /* I/O bridging type */
#define PCI_IO_RANGE_TYPE_16 0x00
#define PCI_IO_RANGE_TYPE_32 0x01
#define PCI_IO_RANGE_MASK ~0x0f
#define PCI_SEC_STATUS 0x1e /* Secondary status register */
#define PCI_MEMORY_BASE 0x20 /* Memory range behind */
#define PCI_MEMORY_LIMIT 0x22
#define PCI_MEMORY_RANGE_TYPE_MASK 0x0f
#define PCI_MEMORY_RANGE_MASK ~0x0f
#define PCI_PREF_MEMORY_BASE 0x24 /* Prefetchable memory range behind */
#define PCI_PREF_MEMORY_LIMIT 0x26
#define PCI_PREF_RANGE_TYPE_MASK 0x0f
#define PCI_PREF_RANGE_TYPE_32 0x00
#define PCI_PREF_RANGE_TYPE_64 0x01
#define PCI_PREF_RANGE_MASK ~0x0f
#define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory range */
#define PCI_PREF_LIMIT_UPPER32 0x2c
#define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */
#define PCI_IO_LIMIT_UPPER16 0x32
/* 0x34 same as for htype 0 */
/* 0x35-0x3b is reserved */
#define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for htype 1 */
/* 0x3c-0x3d are same as for htype 0 */
#define PCI_BRIDGE_CONTROL 0x3e
#define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary interface */
#define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */
#define PCI_BRIDGE_CTL_NO_ISA 0x04 /* Disable bridging of ISA ports */
#define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */
#define PCI_BRIDGE_CTL_VGA_16BIT 0x10 /* VGA 16-bit decode */
#define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */
#define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */
#define PCI_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on secondary interface */
#define PCI_BRIDGE_CTL_PRI_DISCARD_TIMER 0x100 /* PCI-X? */
#define PCI_BRIDGE_CTL_SEC_DISCARD_TIMER 0x200 /* PCI-X? */
#define PCI_BRIDGE_CTL_DISCARD_TIMER_STATUS 0x400 /* PCI-X? */
#define PCI_BRIDGE_CTL_DISCARD_TIMER_SERR_EN 0x800 /* PCI-X? */
/* Header type 2 (CardBus bridges) */
#define PCI_CB_CAPABILITY_LIST 0x14
/* 0x15 reserved */
#define PCI_CB_SEC_STATUS 0x16 /* Secondary status */
#define PCI_CB_PRIMARY_BUS 0x18 /* PCI bus number */
#define PCI_CB_CARD_BUS 0x19 /* CardBus bus number */
#define PCI_CB_SUBORDINATE_BUS 0x1a /* Subordinate bus number */
#define PCI_CB_LATENCY_TIMER 0x1b /* CardBus latency timer */
#define PCI_CB_MEMORY_BASE_0 0x1c
#define PCI_CB_MEMORY_LIMIT_0 0x20
#define PCI_CB_MEMORY_BASE_1 0x24
#define PCI_CB_MEMORY_LIMIT_1 0x28
#define PCI_CB_IO_BASE_0 0x2c
#define PCI_CB_IO_BASE_0_HI 0x2e
#define PCI_CB_IO_LIMIT_0 0x30
#define PCI_CB_IO_LIMIT_0_HI 0x32
#define PCI_CB_IO_BASE_1 0x34
#define PCI_CB_IO_BASE_1_HI 0x36
#define PCI_CB_IO_LIMIT_1 0x38
#define PCI_CB_IO_LIMIT_1_HI 0x3a
#define PCI_CB_IO_RANGE_MASK ~0x03
/* 0x3c-0x3d are same as for htype 0 */
#define PCI_CB_BRIDGE_CONTROL 0x3e
#define PCI_CB_BRIDGE_CTL_PARITY 0x01 /* Similar to standard bridge control register */
#define PCI_CB_BRIDGE_CTL_SERR 0x02
#define PCI_CB_BRIDGE_CTL_ISA 0x04
#define PCI_CB_BRIDGE_CTL_VGA 0x08
#define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20
#define PCI_CB_BRIDGE_CTL_CB_RESET 0x40 /* CardBus reset */
#define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80 /* Enable interrupt for 16-bit cards */
#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 /* Prefetch enable for both memory regions */
#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
#define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400
#define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
#define PCI_CB_SUBSYSTEM_ID 0x42
#define PCI_CB_LEGACY_MODE_BASE 0x44 /* 16-bit PC Card legacy mode base address (ExCa) */
/* 0x48-0x7f reserved */
/* Capability lists */
#define PCI_CAP_LIST_ID 0 /* Capability ID */
#define PCI_CAP_ID_NULL 0x00 /* Null Capability */
#define PCI_CAP_ID_PM 0x01 /* Power Management */
#define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */
#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */
#define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */
#define PCI_CAP_ID_MSI 0x05 /* Message Signaled Interrupts */
#define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */
#define PCI_CAP_ID_PCIX 0x07 /* PCI-X */
#define PCI_CAP_ID_HT 0x08 /* HyperTransport */
#define PCI_CAP_ID_VNDR 0x09 /* Vendor specific */
#define PCI_CAP_ID_DBG 0x0A /* Debug port */
#define PCI_CAP_ID_CCRC 0x0B /* CompactPCI Central Resource Control */
#define PCI_CAP_ID_HOTPLUG 0x0C /* PCI hot-plug */
#define PCI_CAP_ID_SSVID 0x0D /* Bridge subsystem vendor/device ID */
#define PCI_CAP_ID_AGP3 0x0E /* AGP 8x */
#define PCI_CAP_ID_SECURE 0x0F /* Secure device (?) */
#define PCI_CAP_ID_EXP 0x10 /* PCI Express */
#define PCI_CAP_ID_MSIX 0x11 /* MSI-X */
#define PCI_CAP_ID_SATA 0x12 /* Serial-ATA HBA */
#define PCI_CAP_ID_AF 0x13 /* Advanced features of PCI devices integrated in PCIe root cplx */
#define PCI_CAP_ID_EA 0x14 /* Enhanced Allocation */
#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
#define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */
#define PCI_CAP_SIZEOF 4
/* Capabilities residing in the PCI Express extended configuration space */
#define PCI_EXT_CAP_ID_NULL 0x00 /* Null Capability */
#define PCI_EXT_CAP_ID_AER 0x01 /* Advanced Error Reporting */
#define PCI_EXT_CAP_ID_VC 0x02 /* Virtual Channel */
#define PCI_EXT_CAP_ID_DSN 0x03 /* Device Serial Number */
#define PCI_EXT_CAP_ID_PB 0x04 /* Power Budgeting */
#define PCI_EXT_CAP_ID_RCLINK 0x05 /* Root Complex Link Declaration */
#define PCI_EXT_CAP_ID_RCILINK 0x06 /* Root Complex Internal Link Declaration */
#define PCI_EXT_CAP_ID_RCECOLL 0x07 /* Root Complex Event Collector */
#define PCI_EXT_CAP_ID_MFVC 0x08 /* Multi-Function Virtual Channel */
#define PCI_EXT_CAP_ID_VC2 0x09 /* Virtual Channel (2nd ID) */
#define PCI_EXT_CAP_ID_RCRB 0x0a /* Root Complex Register Block */
#define PCI_EXT_CAP_ID_VNDR 0x0b /* Vendor specific */
#define PCI_EXT_CAP_ID_ACS 0x0d /* Access Controls */
#define PCI_EXT_CAP_ID_ARI 0x0e /* Alternative Routing-ID Interpretation */
#define PCI_EXT_CAP_ID_ATS 0x0f /* Address Translation Service */
#define PCI_EXT_CAP_ID_SRIOV 0x10 /* Single Root I/O Virtualization */
#define PCI_EXT_CAP_ID_MRIOV 0x11 /* Multi-Root I/O Virtualization */
#define PCI_EXT_CAP_ID_MCAST 0x12 /* Multicast */
#define PCI_EXT_CAP_ID_PRI 0x13 /* Page Request Interface */
#define PCI_EXT_CAP_ID_REBAR 0x15 /* Resizable BAR */
#define PCI_EXT_CAP_ID_DPA 0x16 /* Dynamic Power Allocation */
#define PCI_EXT_CAP_ID_TPH 0x17 /* Transaction processing hints */
#define PCI_EXT_CAP_ID_LTR 0x18 /* Latency Tolerance Reporting */
#define PCI_EXT_CAP_ID_SECPCI 0x19 /* Secondary PCI Express */
#define PCI_EXT_CAP_ID_PMUX 0x1a /* Protocol Multiplexing */
#define PCI_EXT_CAP_ID_PASID 0x1b /* Process Address Space ID */
#define PCI_EXT_CAP_ID_LNR 0x1c /* LN Requester */
#define PCI_EXT_CAP_ID_DPC 0x1d /* Downstream Port Containment */
#define PCI_EXT_CAP_ID_L1PM 0x1e /* L1 PM Substates */
#define PCI_EXT_CAP_ID_PTM 0x1f /* Precision Time Measurement */
#define PCI_EXT_CAP_ID_M_PCIE 0x20 /* PCIe over M-PHY */
#define PCI_EXT_CAP_ID_FRS 0x21 /* FRS Queuing */
#define PCI_EXT_CAP_ID_RTR 0x22 /* Readiness Time Reporting */
#define PCI_EXT_CAP_ID_DVSEC 0x23 /* Designated Vendor-Specific */
#define PCI_EXT_CAP_ID_VF_REBAR 0x24 /* VF Resizable BAR */
#define PCI_EXT_CAP_ID_DLNK 0x25 /* Data Link Feature */
#define PCI_EXT_CAP_ID_16GT 0x26 /* Physical Layer 16.0 GT/s */
#define PCI_EXT_CAP_ID_LMR 0x27 /* Lane Margining at Receiver */
#define PCI_EXT_CAP_ID_HIER_ID 0x28 /* Hierarchy ID */
#define PCI_EXT_CAP_ID_NPEM 0x29 /* Native PCIe Enclosure Management */
/*** Definitions of capabilities ***/
/* Power Management Registers */
#define PCI_PM_CAP_VER_MASK 0x0007 /* Version (2=PM1.1) */
#define PCI_PM_CAP_PME_CLOCK 0x0008 /* Clock required for PME generation */
#define PCI_PM_CAP_DSI 0x0020 /* Device specific initialization required */
#define PCI_PM_CAP_AUX_C_MASK 0x01c0 /* Maximum aux current required in D3cold */
#define PCI_PM_CAP_D1 0x0200 /* D1 power state support */
#define PCI_PM_CAP_D2 0x0400 /* D2 power state support */
#define PCI_PM_CAP_PME_D0 0x0800 /* PME can be asserted from D0 */
#define PCI_PM_CAP_PME_D1 0x1000 /* PME can be asserted from D1 */
#define PCI_PM_CAP_PME_D2 0x2000 /* PME can be asserted from D2 */
#define PCI_PM_CAP_PME_D3_HOT 0x4000 /* PME can be asserted from D3hot */
#define PCI_PM_CAP_PME_D3_COLD 0x8000 /* PME can be asserted from D3cold */
#define PCI_PM_CTRL 4 /* PM control and status register */
#define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */
#define PCI_PM_CTRL_NO_SOFT_RST 0x0008 /* No Soft Reset from D3hot to D0 */
#define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */
#define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* PM table data index */
#define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* PM table data scaling factor */
#define PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */
#define PCI_PM_PPB_EXTENSIONS 6 /* PPB support extensions */
#define PCI_PM_PPB_B2_B3 0x40 /* If bridge enters D3hot, bus enters: 0=B3, 1=B2 */
#define PCI_PM_BPCC_ENABLE 0x80 /* Secondary bus is power managed */
#define PCI_PM_DATA_REGISTER 7 /* PM table contents read here */
#define PCI_PM_SIZEOF 8
/* AGP registers */
#define PCI_AGP_VERSION 2 /* BCD version number */
#define PCI_AGP_RFU 3 /* Rest of capability flags */
#define PCI_AGP_STATUS 4 /* Status register */
#define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of requests - 1 */
#define PCI_AGP_STATUS_ISOCH 0x10000 /* Isochronous transactions supported */
#define PCI_AGP_STATUS_ARQSZ_MASK 0xe000 /* log2(optimum async req size in bytes) - 4 */
#define PCI_AGP_STATUS_CAL_MASK 0x1c00 /* Calibration cycle timing */
#define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */
#define PCI_AGP_STATUS_ITA_COH 0x0100 /* In-aperture accesses always coherent */
#define PCI_AGP_STATUS_GART64 0x0080 /* 64-bit GART entries supported */
#define PCI_AGP_STATUS_HTRANS 0x0040 /* If 0, core logic can xlate host CPU accesses thru aperture */
#define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing cycles supported */
#define PCI_AGP_STATUS_FW 0x0010 /* Fast write transfers supported */
#define PCI_AGP_STATUS_AGP3 0x0008 /* AGP3 mode supported */
#define PCI_AGP_STATUS_RATE4 0x0004 /* 4x transfer rate supported (RFU in AGP3 mode) */
#define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported (8x in AGP3 mode) */
#define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported (4x in AGP3 mode) */
#define PCI_AGP_COMMAND 8 /* Control register */
#define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */
#define PCI_AGP_COMMAND_ARQSZ_MASK 0xe000 /* log2(optimum async req size in bytes) - 4 */
#define PCI_AGP_COMMAND_CAL_MASK 0x1c00 /* Calibration cycle timing */
#define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */
#define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions */
#define PCI_AGP_COMMAND_GART64 0x0080 /* 64-bit GART entries enabled */
#define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow generation of 64-bit addr cycles */
#define PCI_AGP_COMMAND_FW 0x0010 /* Enable FW transfers */
#define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate (RFU in AGP3 mode) */
#define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 2x rate (8x in AGP3 mode) */
#define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate (4x in AGP3 mode) */
#define PCI_AGP_SIZEOF 12
/* Vital Product Data */
#define PCI_VPD_ADDR 2 /* Address to access (15 bits!) */
#define PCI_VPD_ADDR_MASK 0x7fff /* Address mask */
#define PCI_VPD_ADDR_F 0x8000 /* Write 0, 1 indicates completion */
#define PCI_VPD_DATA 4 /* 32-bits of data returned here */
/* Slot Identification */
#define PCI_SID_ESR 2 /* Expansion Slot Register */
#define PCI_SID_ESR_NSLOTS 0x1f /* Number of expansion slots available */
#define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */
#define PCI_SID_CHASSIS_NR 3 /* Chassis Number */
/* Message Signaled Interrupts registers */
#define PCI_MSI_FLAGS 2 /* Various flags */
#define PCI_MSI_FLAGS_MASK_BIT 0x100 /* interrupt masking & reporting supported */
#define PCI_MSI_FLAGS_64BIT 0x080 /* 64-bit addresses allowed */
#define PCI_MSI_FLAGS_QSIZE 0x070 /* Message queue size configured */
#define PCI_MSI_FLAGS_QMASK 0x00e /* Maximum queue size available */
#define PCI_MSI_FLAGS_ENABLE 0x001 /* MSI feature enabled */
#define PCI_MSI_RFU 3 /* Rest of capability flags */
#define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */
#define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
#define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit devices */
#define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */
#define PCI_MSI_MASK_BIT_32 12 /* per-vector masking for 32-bit devices */
#define PCI_MSI_MASK_BIT_64 16 /* per-vector masking for 64-bit devices */
#define PCI_MSI_PENDING_32 16 /* per-vector interrupt pending for 32-bit devices */
#define PCI_MSI_PENDING_64 20 /* per-vector interrupt pending for 64-bit devices */
/* PCI-X */
#define PCI_PCIX_COMMAND 2 /* Command register offset */
#define PCI_PCIX_COMMAND_DPERE 0x0001 /* Data Parity Error Recover Enable */
#define PCI_PCIX_COMMAND_ERO 0x0002 /* Enable Relaxed Ordering */
#define PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT 0x000c /* Maximum Memory Read Byte Count */
#define PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS 0x0070
#define PCI_PCIX_COMMAND_RESERVED 0xf80
#define PCI_PCIX_STATUS 4 /* Status register offset */
#define PCI_PCIX_STATUS_FUNCTION 0x00000007
#define PCI_PCIX_STATUS_DEVICE 0x000000f8
#define PCI_PCIX_STATUS_BUS 0x0000ff00
#define PCI_PCIX_STATUS_64BIT 0x00010000
#define PCI_PCIX_STATUS_133MHZ 0x00020000
#define PCI_PCIX_STATUS_SC_DISCARDED 0x00040000 /* Split Completion Discarded */
#define PCI_PCIX_STATUS_UNEXPECTED_SC 0x00080000 /* Unexpected Split Completion */
#define PCI_PCIX_STATUS_DEVICE_COMPLEXITY 0x00100000 /* 0 = simple device, 1 = bridge device */
#define PCI_PCIX_STATUS_DESIGNED_MAX_MEM_READ_BYTE_COUNT 0x00600000 /* 0 = 512 bytes, 1 = 1024, 2 = 2048, 3 = 4096 */
#define PCI_PCIX_STATUS_DESIGNED_MAX_OUTSTANDING_SPLIT_TRANS 0x03800000
#define PCI_PCIX_STATUS_DESIGNED_MAX_CUMULATIVE_READ_SIZE 0x1c000000
#define PCI_PCIX_STATUS_RCVD_SC_ERR_MESS 0x20000000 /* Received Split Completion Error Message */
#define PCI_PCIX_STATUS_266MHZ 0x40000000 /* 266 MHz capable */
#define PCI_PCIX_STATUS_533MHZ 0x80000000 /* 533 MHz capable */
#define PCI_PCIX_SIZEOF 4
/* PCI-X Bridges */
#define PCI_PCIX_BRIDGE_SEC_STATUS 2 /* Secondary bus status register offset */
#define PCI_PCIX_BRIDGE_SEC_STATUS_64BIT 0x0001
#define PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ 0x0002
#define PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED 0x0004 /* Split Completion Discarded on secondary bus */
#define PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC 0x0008 /* Unexpected Split Completion on secondary bus */
#define PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN 0x0010 /* Split Completion Overrun on secondary bus */
#define PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED 0x0020
#define PCI_PCIX_BRIDGE_SEC_STATUS_CLOCK_FREQ 0x01c0
#define PCI_PCIX_BRIDGE_SEC_STATUS_RESERVED 0xfe00
#define PCI_PCIX_BRIDGE_STATUS 4 /* Primary bus status register offset */
#define PCI_PCIX_BRIDGE_STATUS_FUNCTION 0x00000007
#define PCI_PCIX_BRIDGE_STATUS_DEVICE 0x000000f8
#define PCI_PCIX_BRIDGE_STATUS_BUS 0x0000ff00
#define PCI_PCIX_BRIDGE_STATUS_64BIT 0x00010000
#define PCI_PCIX_BRIDGE_STATUS_133MHZ 0x00020000
#define PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED 0x00040000 /* Split Completion Discarded */
#define PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC 0x00080000 /* Unexpected Split Completion */
#define PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN 0x00100000 /* Split Completion Overrun */
#define PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED 0x00200000
#define PCI_PCIX_BRIDGE_STATUS_RESERVED 0xffc00000
#define PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL 8 /* Upstream Split Transaction Register offset */
#define PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL 12 /* Downstream Split Transaction Register offset */
#define PCI_PCIX_BRIDGE_STR_CAPACITY 0x0000ffff
#define PCI_PCIX_BRIDGE_STR_COMMITMENT_LIMIT 0xffff0000
#define PCI_PCIX_BRIDGE_SIZEOF 12
/* HyperTransport (as of spec rev. 2.00) */
#define PCI_HT_CMD 2 /* Command Register */
#define PCI_HT_CMD_TYP_HI 0xe000 /* Capability Type high part */
#define PCI_HT_CMD_TYP_HI_PRI 0x0000 /* Slave or Primary Interface */
#define PCI_HT_CMD_TYP_HI_SEC 0x2000 /* Host or Secondary Interface */
#define PCI_HT_CMD_TYP 0xf800 /* Capability Type */
#define PCI_HT_CMD_TYP_SW 0x4000 /* Switch */
#define PCI_HT_CMD_TYP_IDC 0x8000 /* Interrupt Discovery and Configuration */
#define PCI_HT_CMD_TYP_RID 0x8800 /* Revision ID */
#define PCI_HT_CMD_TYP_UIDC 0x9000 /* UnitID Clumping */
#define PCI_HT_CMD_TYP_ECSA 0x9800 /* Extended Configuration Space Access */
#define PCI_HT_CMD_TYP_AM 0xa000 /* Address Mapping */
#define PCI_HT_CMD_TYP_MSIM 0xa800 /* MSI Mapping */
#define PCI_HT_CMD_TYP_DR 0xb000 /* DirectRoute */
#define PCI_HT_CMD_TYP_VCS 0xb800 /* VCSet */
#define PCI_HT_CMD_TYP_RM 0xc000 /* Retry Mode */
#define PCI_HT_CMD_TYP_X86 0xc800 /* X86 (reserved) */
/* Link Control Register */
#define PCI_HT_LCTR_CFLE 0x0002 /* CRC Flood Enable */
#define PCI_HT_LCTR_CST 0x0004 /* CRC Start Test */
#define PCI_HT_LCTR_CFE 0x0008 /* CRC Force Error */
#define PCI_HT_LCTR_LKFAIL 0x0010 /* Link Failure */
#define PCI_HT_LCTR_INIT 0x0020 /* Initialization Complete */
#define PCI_HT_LCTR_EOC 0x0040 /* End of Chain */
#define PCI_HT_LCTR_TXO 0x0080 /* Transmitter Off */
#define PCI_HT_LCTR_CRCERR 0x0f00 /* CRC Error */
#define PCI_HT_LCTR_ISOCEN 0x1000 /* Isochronous Flow Control Enable */
#define PCI_HT_LCTR_LSEN 0x2000 /* LDTSTOP# Tristate Enable */
#define PCI_HT_LCTR_EXTCTL 0x4000 /* Extended CTL Time */
#define PCI_HT_LCTR_64B 0x8000 /* 64-bit Addressing Enable */
/* Link Configuration Register */
#define PCI_HT_LCNF_MLWI 0x0007 /* Max Link Width In */
#define PCI_HT_LCNF_LW_8B 0x0 /* Link Width 8 bits */
#define PCI_HT_LCNF_LW_16B 0x1 /* Link Width 16 bits */
#define PCI_HT_LCNF_LW_32B 0x3 /* Link Width 32 bits */
#define PCI_HT_LCNF_LW_2B 0x4 /* Link Width 2 bits */
#define PCI_HT_LCNF_LW_4B 0x5 /* Link Width 4 bits */
#define PCI_HT_LCNF_LW_NC 0x7 /* Link physically not connected */
#define PCI_HT_LCNF_DFI 0x0008 /* Doubleword Flow Control In */
#define PCI_HT_LCNF_MLWO 0x0070 /* Max Link Width Out */
#define PCI_HT_LCNF_DFO 0x0080 /* Doubleword Flow Control Out */
#define PCI_HT_LCNF_LWI 0x0700 /* Link Width In */
#define PCI_HT_LCNF_DFIE 0x0800 /* Doubleword Flow Control In Enable */
#define PCI_HT_LCNF_LWO 0x7000 /* Link Width Out */
#define PCI_HT_LCNF_DFOE 0x8000 /* Doubleword Flow Control Out Enable */
/* Revision ID Register */
#define PCI_HT_RID_MIN 0x1f /* Minor Revision */
#define PCI_HT_RID_MAJ 0xe0 /* Major Revision */
/* Link Frequency/Error Register */
#define PCI_HT_LFRER_FREQ 0x0f /* Transmitter Clock Frequency */
#define PCI_HT_LFRER_200 0x00 /* 200MHz */
#define PCI_HT_LFRER_300 0x01 /* 300MHz */
#define PCI_HT_LFRER_400 0x02 /* 400MHz */
#define PCI_HT_LFRER_500 0x03 /* 500MHz */
#define PCI_HT_LFRER_600 0x04 /* 600MHz */
#define PCI_HT_LFRER_800 0x05 /* 800MHz */
#define PCI_HT_LFRER_1000 0x06 /* 1.0GHz */
#define PCI_HT_LFRER_1200 0x07 /* 1.2GHz */
#define PCI_HT_LFRER_1400 0x08 /* 1.4GHz */
#define PCI_HT_LFRER_1600 0x09 /* 1.6GHz */
#define PCI_HT_LFRER_VEND 0x0f /* Vendor-Specific */
#define PCI_HT_LFRER_ERR 0xf0 /* Link Error */
#define PCI_HT_LFRER_PROT 0x10 /* Protocol Error */
#define PCI_HT_LFRER_OV 0x20 /* Overflow Error */
#define PCI_HT_LFRER_EOC 0x40 /* End of Chain Error */
#define PCI_HT_LFRER_CTLT 0x80 /* CTL Timeout */
/* Link Frequency Capability Register */
#define PCI_HT_LFCAP_200 0x0001 /* 200MHz */
#define PCI_HT_LFCAP_300 0x0002 /* 300MHz */
#define PCI_HT_LFCAP_400 0x0004 /* 400MHz */
#define PCI_HT_LFCAP_500 0x0008 /* 500MHz */
#define PCI_HT_LFCAP_600 0x0010 /* 600MHz */
#define PCI_HT_LFCAP_800 0x0020 /* 800MHz */
#define PCI_HT_LFCAP_1000 0x0040 /* 1.0GHz */
#define PCI_HT_LFCAP_1200 0x0080 /* 1.2GHz */
#define PCI_HT_LFCAP_1400 0x0100 /* 1.4GHz */
#define PCI_HT_LFCAP_1600 0x0200 /* 1.6GHz */
#define PCI_HT_LFCAP_VEND 0x8000 /* Vendor-Specific */
/* Feature Register */
#define PCI_HT_FTR_ISOCFC 0x0001 /* Isochronous Flow Control Mode */
#define PCI_HT_FTR_LDTSTOP 0x0002 /* LDTSTOP# Supported */
#define PCI_HT_FTR_CRCTM 0x0004 /* CRC Test Mode */
#define PCI_HT_FTR_ECTLT 0x0008 /* Extended CTL Time Required */
#define PCI_HT_FTR_64BA 0x0010 /* 64-bit Addressing */
#define PCI_HT_FTR_UIDRD 0x0020 /* UnitID Reorder Disable */
/* Error Handling Register */
#define PCI_HT_EH_PFLE 0x0001 /* Protocol Error Flood Enable */
#define PCI_HT_EH_OFLE 0x0002 /* Overflow Error Flood Enable */
#define PCI_HT_EH_PFE 0x0004 /* Protocol Error Fatal Enable */
#define PCI_HT_EH_OFE 0x0008 /* Overflow Error Fatal Enable */
#define PCI_HT_EH_EOCFE 0x0010 /* End of Chain Error Fatal Enable */
#define PCI_HT_EH_RFE 0x0020 /* Response Error Fatal Enable */
#define PCI_HT_EH_CRCFE 0x0040 /* CRC Error Fatal Enable */
#define PCI_HT_EH_SERRFE 0x0080 /* System Error Fatal Enable (B */
#define PCI_HT_EH_CF 0x0100 /* Chain Fail */
#define PCI_HT_EH_RE 0x0200 /* Response Error */
#define PCI_HT_EH_PNFE 0x0400 /* Protocol Error Nonfatal Enable */
#define PCI_HT_EH_ONFE 0x0800 /* Overflow Error Nonfatal Enable */
#define PCI_HT_EH_EOCNFE 0x1000 /* End of Chain Error Nonfatal Enable */
#define PCI_HT_EH_RNFE 0x2000 /* Response Error Nonfatal Enable */
#define PCI_HT_EH_CRCNFE 0x4000 /* CRC Error Nonfatal Enable */
#define PCI_HT_EH_SERRNFE 0x8000 /* System Error Nonfatal Enable */
/* HyperTransport: Slave or Primary Interface */
#define PCI_HT_PRI_CMD 2 /* Command Register */
#define PCI_HT_PRI_CMD_BUID 0x001f /* Base UnitID */
#define PCI_HT_PRI_CMD_UC 0x03e0 /* Unit Count */
#define PCI_HT_PRI_CMD_MH 0x0400 /* Master Host */
#define PCI_HT_PRI_CMD_DD 0x0800 /* Default Direction */
#define PCI_HT_PRI_CMD_DUL 0x1000 /* Drop on Uninitialized Link */
#define PCI_HT_PRI_LCTR0 4 /* Link Control 0 Register */
#define PCI_HT_PRI_LCNF0 6 /* Link Config 0 Register */
#define PCI_HT_PRI_LCTR1 8 /* Link Control 1 Register */
#define PCI_HT_PRI_LCNF1 10 /* Link Config 1 Register */
#define PCI_HT_PRI_RID 12 /* Revision ID Register */
#define PCI_HT_PRI_LFRER0 13 /* Link Frequency/Error 0 Register */
#define PCI_HT_PRI_LFCAP0 14 /* Link Frequency Capability 0 Register */
#define PCI_HT_PRI_FTR 16 /* Feature Register */
#define PCI_HT_PRI_LFRER1 17 /* Link Frequency/Error 1 Register */
#define PCI_HT_PRI_LFCAP1 18 /* Link Frequency Capability 1 Register */
#define PCI_HT_PRI_ES 20 /* Enumeration Scratchpad Register */
#define PCI_HT_PRI_EH 22 /* Error Handling Register */
#define PCI_HT_PRI_MBU 24 /* Memory Base Upper Register */
#define PCI_HT_PRI_MLU 25 /* Memory Limit Upper Register */
#define PCI_HT_PRI_BN 26 /* Bus Number Register */
#define PCI_HT_PRI_SIZEOF 28
/* HyperTransport: Host or Secondary Interface */
#define PCI_HT_SEC_CMD 2 /* Command Register */
#define PCI_HT_SEC_CMD_WR 0x0001 /* Warm Reset */
#define PCI_HT_SEC_CMD_DE 0x0002 /* Double-Ended */
#define PCI_HT_SEC_CMD_DN 0x0076 /* Device Number */
#define PCI_HT_SEC_CMD_CS 0x0080 /* Chain Side */
#define PCI_HT_SEC_CMD_HH 0x0100 /* Host Hide */
#define PCI_HT_SEC_CMD_AS 0x0400 /* Act as Slave */
#define PCI_HT_SEC_CMD_HIECE 0x0800 /* Host Inbound End of Chain Error */
#define PCI_HT_SEC_CMD_DUL 0x1000 /* Drop on Uninitialized Link */
#define PCI_HT_SEC_LCTR 4 /* Link Control Register */
#define PCI_HT_SEC_LCNF 6 /* Link Config Register */
#define PCI_HT_SEC_RID 8 /* Revision ID Register */
#define PCI_HT_SEC_LFRER 9 /* Link Frequency/Error Register */
#define PCI_HT_SEC_LFCAP 10 /* Link Frequency Capability Register */
#define PCI_HT_SEC_FTR 12 /* Feature Register */
#define PCI_HT_SEC_FTR_EXTRS 0x0100 /* Extended Register Set */
#define PCI_HT_SEC_FTR_UCNFE 0x0200 /* Upstream Configuration Enable */
#define PCI_HT_SEC_ES 16 /* Enumeration Scratchpad Register */
#define PCI_HT_SEC_EH 18 /* Error Handling Register */
#define PCI_HT_SEC_MBU 20 /* Memory Base Upper Register */
#define PCI_HT_SEC_MLU 21 /* Memory Limit Upper Register */
#define PCI_HT_SEC_SIZEOF 24
/* HyperTransport: Switch */
#define PCI_HT_SW_CMD 2 /* Switch Command Register */
#define PCI_HT_SW_CMD_VIBERR 0x0080 /* VIB Error */
#define PCI_HT_SW_CMD_VIBFL 0x0100 /* VIB Flood */
#define PCI_HT_SW_CMD_VIBFT 0x0200 /* VIB Fatal */
#define PCI_HT_SW_CMD_VIBNFT 0x0400 /* VIB Nonfatal */
#define PCI_HT_SW_PMASK 4 /* Partition Mask Register */
#define PCI_HT_SW_SWINF 8 /* Switch Info Register */
#define PCI_HT_SW_SWINF_DP 0x0000001f /* Default Port */
#define PCI_HT_SW_SWINF_EN 0x00000020 /* Enable Decode */
#define PCI_HT_SW_SWINF_CR 0x00000040 /* Cold Reset */
#define PCI_HT_SW_SWINF_PCIDX 0x00000f00 /* Performance Counter Index */
#define PCI_HT_SW_SWINF_BLRIDX 0x0003f000 /* Base/Limit Range Index */
#define PCI_HT_SW_SWINF_SBIDX 0x00002000 /* Secondary Base Range Index */
#define PCI_HT_SW_SWINF_HP 0x00040000 /* Hot Plug */
#define PCI_HT_SW_SWINF_HIDE 0x00080000 /* Hide Port */
#define PCI_HT_SW_PCD 12 /* Performance Counter Data Register */
#define PCI_HT_SW_BLRD 16 /* Base/Limit Range Data Register */
#define PCI_HT_SW_SBD 20 /* Secondary Base Data Register */
#define PCI_HT_SW_SIZEOF 24
/* Counter indices */
#define PCI_HT_SW_PC_PCR 0x0 /* Posted Command Receive */
#define PCI_HT_SW_PC_NPCR 0x1 /* Nonposted Command Receive */
#define PCI_HT_SW_PC_RCR 0x2 /* Response Command Receive */
#define PCI_HT_SW_PC_PDWR 0x3 /* Posted DW Receive */
#define PCI_HT_SW_PC_NPDWR 0x4 /* Nonposted DW Receive */
#define PCI_HT_SW_PC_RDWR 0x5 /* Response DW Receive */
#define PCI_HT_SW_PC_PCT 0x6 /* Posted Command Transmit */
#define PCI_HT_SW_PC_NPCT 0x7 /* Nonposted Command Transmit */
#define PCI_HT_SW_PC_RCT 0x8 /* Response Command Transmit */
#define PCI_HT_SW_PC_PDWT 0x9 /* Posted DW Transmit */
#define PCI_HT_SW_PC_NPDWT 0xa /* Nonposted DW Transmit */
#define PCI_HT_SW_PC_RDWT 0xb /* Response DW Transmit */
/* Base/Limit Range indices */
#define PCI_HT_SW_BLR_BASE0_LO 0x0 /* Base 0[31:1], Enable */
#define PCI_HT_SW_BLR_BASE0_HI 0x1 /* Base 0 Upper */
#define PCI_HT_SW_BLR_LIM0_LO 0x2 /* Limit 0 Lower */
#define PCI_HT_SW_BLR_LIM0_HI 0x3 /* Limit 0 Upper */
/* Secondary Base indices */
#define PCI_HT_SW_SB_LO 0x0 /* Secondary Base[31:1], Enable */
#define PCI_HT_SW_S0_HI 0x1 /* Secondary Base Upper */
/* HyperTransport: Interrupt Discovery and Configuration */
#define PCI_HT_IDC_IDX 2 /* Index Register */
#define PCI_HT_IDC_DATA 4 /* Data Register */
#define PCI_HT_IDC_SIZEOF 8
/* Register indices */
#define PCI_HT_IDC_IDX_LINT 0x01 /* Last Interrupt Register */
#define PCI_HT_IDC_LINT 0x00ff0000 /* Last interrupt definition */
#define PCI_HT_IDC_IDX_IDR 0x10 /* Interrupt Definition Registers */
/* Low part (at index) */
#define PCI_HT_IDC_IDR_MASK 0x10000001 /* Mask */
#define PCI_HT_IDC_IDR_POL 0x10000002 /* Polarity */
#define PCI_HT_IDC_IDR_II_2 0x1000001c /* IntrInfo[4:2]: Message Type */
#define PCI_HT_IDC_IDR_II_5 0x10000020 /* IntrInfo[5]: Request EOI */
#define PCI_HT_IDC_IDR_II_6 0x00ffffc0 /* IntrInfo[23:6] */
#define PCI_HT_IDC_IDR_II_24 0xff000000 /* IntrInfo[31:24] */
/* High part (at index + 1) */
#define PCI_HT_IDC_IDR_II_32 0x00ffffff /* IntrInfo[55:32] */
#define PCI_HT_IDC_IDR_PASSPW 0x40000000 /* PassPW setting for messages */
#define PCI_HT_IDC_IDR_WEOI 0x80000000 /* Waiting for EOI */
/* HyperTransport: Revision ID */
#define PCI_HT_RID_RID 2 /* Revision Register */
#define PCI_HT_RID_SIZEOF 4
/* HyperTransport: UnitID Clumping */
#define PCI_HT_UIDC_CS 4 /* Clumping Support Register */
#define PCI_HT_UIDC_CE 8 /* Clumping Enable Register */
#define PCI_HT_UIDC_SIZEOF 12
/* HyperTransport: Extended Configuration Space Access */
#define PCI_HT_ECSA_ADDR 4 /* Configuration Address Register */
#define PCI_HT_ECSA_ADDR_REG 0x00000ffc /* Register */
#define PCI_HT_ECSA_ADDR_FUN 0x00007000 /* Function */
#define PCI_HT_ECSA_ADDR_DEV 0x000f1000 /* Device */
#define PCI_HT_ECSA_ADDR_BUS 0x0ff00000 /* Bus Number */
#define PCI_HT_ECSA_ADDR_TYPE 0x10000000 /* Access Type */
#define PCI_HT_ECSA_DATA 8 /* Configuration Data Register */
#define PCI_HT_ECSA_SIZEOF 12
/* HyperTransport: Address Mapping */
#define PCI_HT_AM_CMD 2 /* Command Register */
#define PCI_HT_AM_CMD_NDMA 0x000f /* Number of DMA Mappings */
#define PCI_HT_AM_CMD_IOSIZ 0x01f0 /* I/O Size */
#define PCI_HT_AM_CMD_MT 0x0600 /* Map Type */
#define PCI_HT_AM_CMD_MT_40B 0x0000 /* 40-bit */
#define PCI_HT_AM_CMD_MT_64B 0x0200 /* 64-bit */
/* Window Control Register bits */
#define PCI_HT_AM_SBW_CTR_COMP 0x1 /* Compat */
#define PCI_HT_AM_SBW_CTR_NCOH 0x2 /* NonCoherent */
#define PCI_HT_AM_SBW_CTR_ISOC 0x4 /* Isochronous */
#define PCI_HT_AM_SBW_CTR_EN 0x8 /* Enable */
/* HyperTransport: 40-bit Address Mapping */
#define PCI_HT_AM40_SBNPW 4 /* Secondary Bus Non-Prefetchable Window Register */
#define PCI_HT_AM40_SBW_BASE 0x000fffff /* Window Base */
#define PCI_HT_AM40_SBW_CTR 0xf0000000 /* Window Control */
#define PCI_HT_AM40_SBPW 8 /* Secondary Bus Prefetchable Window Register */
#define PCI_HT_AM40_DMA_PBASE0 12 /* DMA Window Primary Base 0 Register */
#define PCI_HT_AM40_DMA_CTR0 15 /* DMA Window Control 0 Register */
#define PCI_HT_AM40_DMA_CTR_CTR 0xf0 /* Window Control */
#define PCI_HT_AM40_DMA_SLIM0 16 /* DMA Window Secondary Limit 0 Register */
#define PCI_HT_AM40_DMA_SBASE0 18 /* DMA Window Secondary Base 0 Register */
#define PCI_HT_AM40_SIZEOF 12 /* size is variable: 12 + 8 * NDMA */
/* HyperTransport: 64-bit Address Mapping */
#define PCI_HT_AM64_IDX 4 /* Index Register */
#define PCI_HT_AM64_DATA_LO 8 /* Data Lower Register */
#define PCI_HT_AM64_DATA_HI 12 /* Data Upper Register */
#define PCI_HT_AM64_SIZEOF 16
/* Register indices */
#define PCI_HT_AM64_IDX_SBNPW 0x00 /* Secondary Bus Non-Prefetchable Window Register */
#define PCI_HT_AM64_W_BASE_LO 0xfff00000 /* Window Base Lower */
#define PCI_HT_AM64_W_CTR 0x0000000f /* Window Control */
#define PCI_HT_AM64_IDX_SBPW 0x01 /* Secondary Bus Prefetchable Window Register */
#define PCI_HT_AM64_IDX_PBNPW 0x02 /* Primary Bus Non-Prefetchable Window Register */
#define PCI_HT_AM64_IDX_DMAPB0 0x04 /* DMA Window Primary Base 0 Register */
#define PCI_HT_AM64_IDX_DMASB0 0x05 /* DMA Window Secondary Base 0 Register */
#define PCI_HT_AM64_IDX_DMASL0 0x06 /* DMA Window Secondary Limit 0 Register */
/* HyperTransport: MSI Mapping */
#define PCI_HT_MSIM_CMD 2 /* Command Register */
#define PCI_HT_MSIM_CMD_EN 0x0001 /* Mapping Active */
#define PCI_HT_MSIM_CMD_FIXD 0x0002 /* MSI Mapping Address Fixed */
#define PCI_HT_MSIM_ADDR_LO 4 /* MSI Mapping Address Lower Register */
#define PCI_HT_MSIM_ADDR_HI 8 /* MSI Mapping Address Upper Register */
#define PCI_HT_MSIM_SIZEOF 12
/* HyperTransport: DirectRoute */
#define PCI_HT_DR_CMD 2 /* Command Register */
#define PCI_HT_DR_CMD_NDRS 0x000f /* Number of DirectRoute Spaces */
#define PCI_HT_DR_CMD_IDX 0x01f0 /* Index */
#define PCI_HT_DR_EN 4 /* Enable Vector Register */
#define PCI_HT_DR_DATA 8 /* Data Register */
#define PCI_HT_DR_SIZEOF 12
/* Register indices */
#define PCI_HT_DR_IDX_BASE_LO 0x00 /* DirectRoute Base Lower Register */
#define PCI_HT_DR_OTNRD 0x00000001 /* Opposite to Normal Request Direction */
#define PCI_HT_DR_BL_LO 0xffffff00 /* Base/Limit Lower */
#define PCI_HT_DR_IDX_BASE_HI 0x01 /* DirectRoute Base Upper Register */
#define PCI_HT_DR_IDX_LIMIT_LO 0x02 /* DirectRoute Limit Lower Register */
#define PCI_HT_DR_IDX_LIMIT_HI 0x03 /* DirectRoute Limit Upper Register */
/* HyperTransport: VCSet */
#define PCI_HT_VCS_SUP 4 /* VCSets Supported Register */
#define PCI_HT_VCS_L1EN 5 /* Link 1 VCSets Enabled Register */
#define PCI_HT_VCS_L0EN 6 /* Link 0 VCSets Enabled Register */
#define PCI_HT_VCS_SBD 8 /* Stream Bucket Depth Register */
#define PCI_HT_VCS_SINT 9 /* Stream Interval Register */
#define PCI_HT_VCS_SSUP 10 /* Number of Streaming VCs Supported Register */
#define PCI_HT_VCS_SSUP_0 0x00 /* Streaming VC 0 */
#define PCI_HT_VCS_SSUP_3 0x01 /* Streaming VCs 0-3 */
#define PCI_HT_VCS_SSUP_15 0x02 /* Streaming VCs 0-15 */
#define PCI_HT_VCS_NFCBD 12 /* Non-FC Bucket Depth Register */
#define PCI_HT_VCS_NFCINT 13 /* Non-FC Bucket Interval Register */
#define PCI_HT_VCS_SIZEOF 16
/* HyperTransport: Retry Mode */
#define PCI_HT_RM_CTR0 4 /* Control 0 Register */
#define PCI_HT_RM_CTR_LRETEN 0x01 /* Link Retry Enable */
#define PCI_HT_RM_CTR_FSER 0x02 /* Force Single Error */
#define PCI_HT_RM_CTR_ROLNEN 0x04 /* Rollover Nonfatal Enable */
#define PCI_HT_RM_CTR_FSS 0x08 /* Force Single Stomp */
#define PCI_HT_RM_CTR_RETNEN 0x10 /* Retry Nonfatal Enable */
#define PCI_HT_RM_CTR_RETFEN 0x20 /* Retry Fatal Enable */
#define PCI_HT_RM_CTR_AA 0xc0 /* Allowed Attempts */
#define PCI_HT_RM_STS0 5 /* Status 0 Register */
#define PCI_HT_RM_STS_RETSNT 0x01 /* Retry Sent */
#define PCI_HT_RM_STS_CNTROL 0x02 /* Count Rollover */
#define PCI_HT_RM_STS_SRCV 0x04 /* Stomp Received */
#define PCI_HT_RM_CTR1 6 /* Control 1 Register */
#define PCI_HT_RM_STS1 7 /* Status 1 Register */
#define PCI_HT_RM_CNT0 8 /* Retry Count 0 Register */
#define PCI_HT_RM_CNT1 10 /* Retry Count 1 Register */
#define PCI_HT_RM_SIZEOF 12
/* Vendor-Specific Capability (see PCI_EVNDR_xxx for the PCIe version) */
#define PCI_VNDR_LENGTH 2 /* Length byte */
/* PCI Express */
#define PCI_EXP_FLAGS 0x2 /* Capabilities register */
#define PCI_EXP_FLAGS_VERS 0x000f /* Capability version */
#define PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */
#define PCI_EXP_TYPE_ENDPOINT 0x0 /* Express Endpoint */
#define PCI_EXP_TYPE_LEG_END 0x1 /* Legacy Endpoint */
#define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */
#define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */
#define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */
#define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCIe to PCI/PCI-X Bridge */
#define PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIe Bridge */
#define PCI_EXP_TYPE_ROOT_INT_EP 0x9 /* Root Complex Integrated Endpoint */
#define PCI_EXP_TYPE_ROOT_EC 0xa /* Root Complex Event Collector */
#define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */
#define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */
#define PCI_EXP_DEVCAP 0x4 /* Device capabilities */
#define PCI_EXP_DEVCAP_PAYLOAD 0x07 /* Max_Payload_Size */
#define PCI_EXP_DEVCAP_PHANTOM 0x18 /* Phantom functions */
#define PCI_EXP_DEVCAP_EXT_TAG 0x20 /* Extended tags */
#define PCI_EXP_DEVCAP_L0S 0x1c0 /* L0s Acceptable Latency */
#define PCI_EXP_DEVCAP_L1 0xe00 /* L1 Acceptable Latency */
#define PCI_EXP_DEVCAP_ATN_BUT 0x1000 /* Attention Button Present */
#define PCI_EXP_DEVCAP_ATN_IND 0x2000 /* Attention Indicator Present */
#define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */
#define PCI_EXP_DEVCAP_RBE 0x8000 /* Role-Based Error Reporting */
#define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */
#define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale */
#define PCI_EXP_DEVCAP_FLRESET 0x10000000 /* Function-Level Reset */
#define PCI_EXP_DEVCTL 0x8 /* Device Control */
#define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */
#define PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting Enable */
#define PCI_EXP_DEVCTL_FERE 0x0004 /* Fatal Error Reporting Enable */
#define PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */
#define PCI_EXP_DEVCTL_RELAXED 0x0010 /* Enable Relaxed Ordering */
#define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */
#define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */
#define PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */
#define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */
#define PCI_EXP_DEVCTL_NOSNOOP 0x0800 /* Enable No Snoop */
#define PCI_EXP_DEVCTL_READRQ 0x7000 /* Max_Read_Request_Size */
#define PCI_EXP_DEVCTL_BCRE 0x8000 /* Bridge Configuration Retry Enable */
#define PCI_EXP_DEVCTL_FLRESET 0x8000 /* Function-Level Reset [bit shared with BCRE] */
#define PCI_EXP_DEVSTA 0xa /* Device Status */
#define PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */
#define PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */
#define PCI_EXP_DEVSTA_FED 0x04 /* Fatal Error Detected */
#define PCI_EXP_DEVSTA_URD 0x08 /* Unsupported Request Detected */
#define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */
#define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */
#define PCI_EXP_LNKCAP 0xc /* Link Capabilities */
#define PCI_EXP_LNKCAP_SPEED 0x0000f /* Maximum Link Speed */
#define PCI_EXP_LNKCAP_WIDTH 0x003f0 /* Maximum Link Width */
#define PCI_EXP_LNKCAP_ASPM 0x00c00 /* Active State Power Management */
#define PCI_EXP_LNKCAP_L0S 0x07000 /* L0s Exit Latency */
#define PCI_EXP_LNKCAP_L1 0x38000 /* L1 Exit Latency */
#define PCI_EXP_LNKCAP_CLOCKPM 0x40000 /* Clock Power Management */
#define PCI_EXP_LNKCAP_SURPRISE 0x80000 /* Surprise Down Error Reporting */
#define PCI_EXP_LNKCAP_DLLA 0x100000 /* Data Link Layer Active Reporting */
#define PCI_EXP_LNKCAP_LBNC 0x200000 /* Link Bandwidth Notification Capability */
#define PCI_EXP_LNKCAP_AOC 0x400000 /* ASPM Optionality Compliance */
#define PCI_EXP_LNKCAP_PORT 0xff000000 /* Port Number */
#define PCI_EXP_LNKCTL 0x10 /* Link Control */
#define PCI_EXP_LNKCTL_ASPM 0x0003 /* ASPM Control */
#define PCI_EXP_LNKCTL_RCB 0x0008 /* Read Completion Boundary */
#define PCI_EXP_LNKCTL_DISABLE 0x0010 /* Link Disable */
#define PCI_EXP_LNKCTL_RETRAIN 0x0020 /* Retrain Link */
#define PCI_EXP_LNKCTL_CLOCK 0x0040 /* Common Clock Configuration */
#define PCI_EXP_LNKCTL_XSYNCH 0x0080 /* Extended Synch */
#define PCI_EXP_LNKCTL_CLOCKPM 0x0100 /* Clock Power Management */
#define PCI_EXP_LNKCTL_HWAUTWD 0x0200 /* Hardware Autonomous Width Disable */
#define PCI_EXP_LNKCTL_BWMIE 0x0400 /* Bandwidth Mgmt Interrupt Enable */
#define PCI_EXP_LNKCTL_AUTBWIE 0x0800 /* Autonomous Bandwidth Mgmt Interrupt Enable */
#define PCI_EXP_LNKSTA 0x12 /* Link Status */
#define PCI_EXP_LNKSTA_SPEED 0x000f /* Negotiated Link Speed */
#define PCI_EXP_LNKSTA_WIDTH 0x03f0 /* Negotiated Link Width */
#define PCI_EXP_LNKSTA_TR_ERR 0x0400 /* Training Error (obsolete) */
#define PCI_EXP_LNKSTA_TRAIN 0x0800 /* Link Training */
#define PCI_EXP_LNKSTA_SL_CLK 0x1000 /* Slot Clock Configuration */
#define PCI_EXP_LNKSTA_DL_ACT 0x2000 /* Data Link Layer in DL_Active State */
#define PCI_EXP_LNKSTA_BWMGMT 0x4000 /* Bandwidth Mgmt Status */
#define PCI_EXP_LNKSTA_AUTBW 0x8000 /* Autonomous Bandwidth Mgmt Status */
#define PCI_EXP_SLTCAP 0x14 /* Slot Capabilities */
#define PCI_EXP_SLTCAP_ATNB 0x0001 /* Attention Button Present */
#define PCI_EXP_SLTCAP_PWRC 0x0002 /* Power Controller Present */
#define PCI_EXP_SLTCAP_MRL 0x0004 /* MRL Sensor Present */
#define PCI_EXP_SLTCAP_ATNI 0x0008 /* Attention Indicator Present */
#define PCI_EXP_SLTCAP_PWRI 0x0010 /* Power Indicator Present */
#define PCI_EXP_SLTCAP_HPS 0x0020 /* Hot-Plug Surprise */
#define PCI_EXP_SLTCAP_HPC 0x0040 /* Hot-Plug Capable */
#define PCI_EXP_SLTCAP_PWR_VAL 0x00007f80 /* Slot Power Limit Value */
#define PCI_EXP_SLTCAP_PWR_SCL 0x00018000 /* Slot Power Limit Scale */
#define PCI_EXP_SLTCAP_INTERLOCK 0x020000 /* Electromechanical Interlock Present */
#define PCI_EXP_SLTCAP_NOCMDCOMP 0x040000 /* No Command Completed Support */
#define PCI_EXP_SLTCAP_PSN 0xfff80000 /* Physical Slot Number */
#define PCI_EXP_SLTCTL 0x18 /* Slot Control */
#define PCI_EXP_SLTCTL_ATNB 0x0001 /* Attention Button Pressed Enable */
#define PCI_EXP_SLTCTL_PWRF 0x0002 /* Power Fault Detected Enable */
#define PCI_EXP_SLTCTL_MRLS 0x0004 /* MRL Sensor Changed Enable */
#define PCI_EXP_SLTCTL_PRSD 0x0008 /* Presence Detect Changed Enable */
#define PCI_EXP_SLTCTL_CMDC 0x0010 /* Command Completed Interrupt Enable */
#define PCI_EXP_SLTCTL_HPIE 0x0020 /* Hot-Plug Interrupt Enable */
#define PCI_EXP_SLTCTL_ATNI 0x00c0 /* Attention Indicator Control */
#define PCI_EXP_SLTCTL_PWRI 0x0300 /* Power Indicator Control */
#define PCI_EXP_SLTCTL_PWRC 0x0400 /* Power Controller Control */
#define PCI_EXP_SLTCTL_INTERLOCK 0x0800 /* Electromechanical Interlock Control */
#define PCI_EXP_SLTCTL_LLCHG 0x1000 /* Data Link Layer State Changed Enable */
#define PCI_EXP_SLTSTA 0x1a /* Slot Status */
#define PCI_EXP_SLTSTA_ATNB 0x0001 /* Attention Button Pressed */
#define PCI_EXP_SLTSTA_PWRF 0x0002 /* Power Fault Detected */
#define PCI_EXP_SLTSTA_MRLS 0x0004 /* MRL Sensor Changed */
#define PCI_EXP_SLTSTA_PRSD 0x0008 /* Presence Detect Changed */
#define PCI_EXP_SLTSTA_CMDC 0x0010 /* Command Completed */
#define PCI_EXP_SLTSTA_MRL_ST 0x0020 /* MRL Sensor State */
#define PCI_EXP_SLTSTA_PRES 0x0040 /* Presence Detect State */
#define PCI_EXP_SLTSTA_INTERLOCK 0x0080 /* Electromechanical Interlock Status */
#define PCI_EXP_SLTSTA_LLCHG 0x0100 /* Data Link Layer State Changed */
#define PCI_EXP_RTCTL 0x1c /* Root Control */
#define PCI_EXP_RTCTL_SECEE 0x0001 /* System Error on Correctable Error */
#define PCI_EXP_RTCTL_SENFEE 0x0002 /* System Error on Non-Fatal Error */
#define PCI_EXP_RTCTL_SEFEE 0x0004 /* System Error on Fatal Error */
#define PCI_EXP_RTCTL_PMEIE 0x0008 /* PME Interrupt Enable */
#define PCI_EXP_RTCTL_CRSVIS 0x0010 /* Configuration Request Retry Status Visible to SW */
#define PCI_EXP_RTCAP 0x1e /* Root Capabilities */
#define PCI_EXP_RTCAP_CRSVIS 0x0001 /* Configuration Request Retry Status Visible to SW */
#define PCI_EXP_RTSTA 0x20 /* Root Status */
#define PCI_EXP_RTSTA_PME_REQID 0x0000ffff /* PME Requester ID */
#define PCI_EXP_RTSTA_PME_STATUS 0x00010000 /* PME Status */
#define PCI_EXP_RTSTA_PME_PENDING 0x00020000 /* PME is Pending */
#define PCI_EXP_DEVCAP2 0x24 /* Device capabilities 2 */
#define PCI_EXP_DEVCAP2_NROPRPRP 0x0400 /* No RO-enabled PR-PR Passing */
#define PCI_EXP_DEVCAP2_LTR 0x0800 /* LTR supported */
#define PCI_EXP_DEVCAP2_TPH_COMP(x) (((x) >> 12) & 3) /* TPH Completer Supported */
#define PCI_EXP_DEVCAP2_LN_CLS(x) (((x) >> 14) & 3) /* LN System CLS Supported */
#define PCI_EXP_DEVCAP2_10BIT_TAG_COMP 0x00010000 /* 10 Bit Tag Completer */
#define PCI_EXP_DEVCAP2_10BIT_TAG_REQ 0x00020000 /* 10 Bit Tag Requester */
#define PCI_EXP_DEVCAP2_OBFF(x) (((x) >> 18) & 3) /* OBFF supported */
#define PCI_EXP_DEVCAP2_EXTFMT 0x00100000 /* Extended Fmt Field Supported */
#define PCI_EXP_DEVCAP2_EE_TLP 0x00200000 /* End-End TLP Prefix Supported */
#define PCI_EXP_DEVCAP2_MEE_TLP(x) (((x) >> 22) & 3) /* Max End-End TLP Prefixes */
#define PCI_EXP_DEVCAP2_EPR(x) (((x) >> 24) & 3) /* Emergency Power Reduction Supported */
#define PCI_EXP_DEVCAP2_EPR_INIT 0x04000000 /* Emergency Power Reduction Initialization Required */
#define PCI_EXP_DEVCAP2_FRS 0x80000000 /* FRS supported */
#define PCI_EXP_DEVCTL2 0x28 /* Device Control */
#define PCI_EXP_DEV2_TIMEOUT_RANGE(x) ((x) & 0xf) /* Completion Timeout Ranges Supported */
#define PCI_EXP_DEV2_TIMEOUT_VALUE(x) ((x) & 0xf) /* Completion Timeout Value */
#define PCI_EXP_DEV2_TIMEOUT_DIS 0x0010 /* Completion Timeout Disable Supported */
#define PCI_EXP_DEV2_ATOMICOP_REQUESTER_EN 0x0040 /* AtomicOp RequesterEnable */
#define PCI_EXP_DEV2_ATOMICOP_EGRESS_BLOCK 0x0080 /* AtomicOp Egress Blocking */
#define PCI_EXP_DEV2_ARI 0x0020 /* ARI Forwarding */
#define PCI_EXP_DEVCAP2_ATOMICOP_ROUTING 0x0040 /* AtomicOp Routing Supported */
#define PCI_EXP_DEVCAP2_32BIT_ATOMICOP_COMP 0x0080 /* 32bit AtomicOp Completer Supported */
#define PCI_EXP_DEVCAP2_64BIT_ATOMICOP_COMP 0x0100 /* 64bit AtomicOp Completer Supported */
#define PCI_EXP_DEVCAP2_128BIT_CAS_COMP 0x0200 /* 128bit CAS Completer Supported */
#define PCI_EXP_DEV2_LTR 0x0400 /* LTR enabled */
#define PCI_EXP_DEV2_OBFF(x) (((x) >> 13) & 3) /* OBFF enabled */
#define PCI_EXP_DEVSTA2 0x2a /* Device Status */
#define PCI_EXP_LNKCAP2 0x2c /* Link Capabilities */
#define PCI_EXP_LNKCTL2 0x30 /* Link Control */
#define PCI_EXP_LNKCTL2_SPEED(x) ((x) & 0xf) /* Target Link Speed */
#define PCI_EXP_LNKCTL2_CMPLNC 0x0010 /* Enter Compliance */
#define PCI_EXP_LNKCTL2_SPEED_DIS 0x0020 /* Hardware Autonomous Speed Disable */
#define PCI_EXP_LNKCTL2_DEEMPHASIS(x) (((x) >> 6) & 1) /* Selectable De-emphasis */
#define PCI_EXP_LNKCTL2_MARGIN(x) (((x) >> 7) & 7) /* Transmit Margin */
#define PCI_EXP_LNKCTL2_MOD_CMPLNC 0x0400 /* Enter Modified Compliance */
#define PCI_EXP_LNKCTL2_CMPLNC_SOS 0x0800 /* Compliance SOS */
#define PCI_EXP_LNKCTL2_COM_DEEMPHASIS(x) (((x) >> 12) & 0xf) /* Compliance De-emphasis */
#define PCI_EXP_LNKSTA2 0x32 /* Link Status */
#define PCI_EXP_LINKSTA2_DEEMPHASIS(x) ((x) & 1) /* Current De-emphasis Level */
#define PCI_EXP_LINKSTA2_EQU_COMP 0x02 /* Equalization Complete */
#define PCI_EXP_LINKSTA2_EQU_PHASE1 0x04 /* Equalization Phase 1 Successful */
#define PCI_EXP_LINKSTA2_EQU_PHASE2 0x08 /* Equalization Phase 2 Successful */
#define PCI_EXP_LINKSTA2_EQU_PHASE3 0x10 /* Equalization Phase 3 Successful */
#define PCI_EXP_LINKSTA2_EQU_REQ 0x20 /* Link Equalization Request */
#define PCI_EXP_SLTCAP2 0x34 /* Slot Capabilities */
#define PCI_EXP_SLTCTL2 0x38 /* Slot Control */
#define PCI_EXP_SLTSTA2 0x3a /* Slot Status */
/* MSI-X */
#define PCI_MSIX_ENABLE 0x8000
#define PCI_MSIX_MASK 0x4000
#define PCI_MSIX_TABSIZE 0x07ff
#define PCI_MSIX_TABLE 4
#define PCI_MSIX_PBA 8
#define PCI_MSIX_BIR 0x7
/* Subsystem vendor/device ID for PCI bridges */
#define PCI_SSVID_VENDOR 4
#define PCI_SSVID_DEVICE 6
/* PCI Advanced Features */
#define PCI_AF_CAP 3
#define PCI_AF_CAP_TP 0x01
#define PCI_AF_CAP_FLR 0x02
#define PCI_AF_CTRL 4
#define PCI_AF_CTRL_FLR 0x01
#define PCI_AF_STATUS 5
#define PCI_AF_STATUS_TP 0x01
/* SATA Host Bus Adapter */
#define PCI_SATA_HBA_BARS 4
#define PCI_SATA_HBA_REG0 8
/* Enhanced Allocation (EA) */
#define PCI_EA_CAP_TYPE1_SECONDARY 4
#define PCI_EA_CAP_TYPE1_SUBORDINATE 5
/* EA Entry header */
#define PCI_EA_CAP_ENT_WRITABLE 0x40000000 /* Writable: 1 = RW, 0 = HwInit */
#define PCI_EA_CAP_ENT_ENABLE 0x80000000 /* Enable for this entry */
/*** Definitions of extended capabilities ***/
/* Advanced Error Reporting */
#define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */
#define PCI_ERR_UNC_TRAIN 0x00000001 /* Undefined in PCIe rev1.1 & 2.0 spec */
#define PCI_ERR_UNC_DLP 0x00000010 /* Data Link Protocol */
#define PCI_ERR_UNC_SDES 0x00000020 /* Surprise Down Error */
#define PCI_ERR_UNC_POISON_TLP 0x00001000 /* Poisoned TLP */
#define PCI_ERR_UNC_FCP 0x00002000 /* Flow Control Protocol */
#define PCI_ERR_UNC_COMP_TIME 0x00004000 /* Completion Timeout */
#define PCI_ERR_UNC_COMP_ABORT 0x00008000 /* Completer Abort */
#define PCI_ERR_UNC_UNX_COMP 0x00010000 /* Unexpected Completion */
#define PCI_ERR_UNC_RX_OVER 0x00020000 /* Receiver Overflow */
#define PCI_ERR_UNC_MALF_TLP 0x00040000 /* Malformed TLP */
#define PCI_ERR_UNC_ECRC 0x00080000 /* ECRC Error Status */
#define PCI_ERR_UNC_UNSUP 0x00100000 /* Unsupported Request */
#define PCI_ERR_UNC_ACS_VIOL 0x00200000 /* ACS Violation */
#define PCI_ERR_UNCOR_MASK 8 /* Uncorrectable Error Mask */
/* Same bits as above */
#define PCI_ERR_UNCOR_SEVER 12 /* Uncorrectable Error Severity */
/* Same bits as above */
#define PCI_ERR_COR_STATUS 16 /* Correctable Error Status */
#define PCI_ERR_COR_RCVR 0x00000001 /* Receiver Error Status */
#define PCI_ERR_COR_BAD_TLP 0x00000040 /* Bad TLP Status */
#define PCI_ERR_COR_BAD_DLLP 0x00000080 /* Bad DLLP Status */
#define PCI_ERR_COR_REP_ROLL 0x00000100 /* REPLAY_NUM Rollover */
#define PCI_ERR_COR_REP_TIMER 0x00001000 /* Replay Timer Timeout */
#define PCI_ERR_COR_REP_ANFE 0x00002000 /* Advisory Non-Fatal Error */
#define PCI_ERR_COR_MASK 20 /* Correctable Error Mask */
/* Same bits as above */
#define PCI_ERR_CAP 24 /* Advanced Error Capabilities */
#define PCI_ERR_CAP_FEP(x) ((x) & 31) /* First Error Pointer */
#define PCI_ERR_CAP_ECRC_GENC 0x00000020 /* ECRC Generation Capable */
#define PCI_ERR_CAP_ECRC_GENE 0x00000040 /* ECRC Generation Enable */
#define PCI_ERR_CAP_ECRC_CHKC 0x00000080 /* ECRC Check Capable */
#define PCI_ERR_CAP_ECRC_CHKE 0x00000100 /* ECRC Check Enable */
#define PCI_ERR_CAP_MULT_HDRC 0x00000200 /* Multiple Header Capable */
#define PCI_ERR_CAP_MULT_HDRE 0x00000400 /* Multiple Header Enable */
#define PCI_ERR_CAP_TLP_PFX 0x00000800 /* TLP Prefix Log Present */
#define PCI_ERR_CAP_HDR_LOG 0x00001000 /* Completion Timeout Prefix/Header Log Capable */
#define PCI_ERR_HEADER_LOG 28 /* Header Log Register (16 bytes) */
#define PCI_ERR_ROOT_COMMAND 44 /* Root Error Command */
#define PCI_ERR_ROOT_CMD_COR_EN 0x00000001 /* Correctable Error Reporting Enable */
#define PCI_ERR_ROOT_CMD_NONFATAL_EN 0x00000002 /* Non-Fatal Error Reporting Enable*/
#define PCI_ERR_ROOT_CMD_FATAL_EN 0x00000004 /* Fatal Error Reporting Enable */
#define PCI_ERR_ROOT_STATUS 48 /* Root Error Status */
#define PCI_ERR_ROOT_COR_RCV 0x00000001 /* ERR_COR Received */
#define PCI_ERR_ROOT_MULTI_COR_RCV 0x00000002 /* Multiple ERR_COR Received */
#define PCI_ERR_ROOT_UNCOR_RCV 0x00000004 /* ERR_FATAL/NONFATAL Received */
#define PCI_ERR_ROOT_MULTI_UNCOR_RCV 0x00000008 /* Multiple ERR_FATAL/NONFATAL Received */
#define PCI_ERR_ROOT_FIRST_FATAL 0x00000010 /* First Uncorrectable Fatal */
#define PCI_ERR_ROOT_NONFATAL_RCV 0x00000020 /* Non-Fatal Error Messages Received */
#define PCI_ERR_ROOT_FATAL_RCV 0x00000040 /* Fatal Error Messages Received */
#define PCI_ERR_MSG_NUM(x) (((x) >> 27) & 0x1f) /* MSI/MSI-X vector */
#define PCI_ERR_ROOT_COR_SRC 52
#define PCI_ERR_ROOT_SRC 54
/* Virtual Channel */
#define PCI_VC_PORT_REG1 4
#define PCI_VC_PORT_REG2 8
#define PCI_VC_PORT_CTRL 12
#define PCI_VC_PORT_STATUS 14
#define PCI_VC_RES_CAP 16
#define PCI_VC_RES_CTRL 20
#define PCI_VC_RES_STATUS 26
/* Power Budgeting */
#define PCI_PWR_DSR 4 /* Data Select Register */
#define PCI_PWR_DATA 8 /* Data Register */
#define PCI_PWR_DATA_BASE(x) ((x) & 0xff) /* Base Power */
#define PCI_PWR_DATA_SCALE(x) (((x) >> 8) & 3) /* Data Scale */
#define PCI_PWR_DATA_PM_SUB(x) (((x) >> 10) & 7) /* PM Sub State */
#define PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
#define PCI_PWR_DATA_TYPE(x) (((x) >> 15) & 7) /* Type */
#define PCI_PWR_DATA_RAIL(x) (((x) >> 18) & 7) /* Power Rail */
#define PCI_PWR_CAP 12 /* Capability */
#define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */
/* Root Complex Link */
#define PCI_RCLINK_ESD 4 /* Element Self Description */
#define PCI_RCLINK_LINK1 16 /* First Link Entry */
#define PCI_RCLINK_LINK_DESC 0 /* Link Entry: Description */
#define PCI_RCLINK_LINK_ADDR 8 /* Link Entry: Address (64-bit) */
#define PCI_RCLINK_LINK_SIZE 16 /* Link Entry: sizeof */
/* PCIe Vendor-Specific Capability */
#define PCI_EVNDR_HEADER 4 /* Vendor-Specific Header */
#define PCI_EVNDR_REGISTERS 8 /* Vendor-Specific Registers */
/* Access Control Services */
#define PCI_ACS_CAP 0x04 /* ACS Capability Register */
#define PCI_ACS_CAP_VALID 0x0001 /* ACS Source Validation */
#define PCI_ACS_CAP_BLOCK 0x0002 /* ACS Translation Blocking */
#define PCI_ACS_CAP_REQ_RED 0x0004 /* ACS P2P Request Redirect */
#define PCI_ACS_CAP_CMPLT_RED 0x0008 /* ACS P2P Completion Redirect */
#define PCI_ACS_CAP_FORWARD 0x0010 /* ACS Upstream Forwarding */
#define PCI_ACS_CAP_EGRESS 0x0020 /* ACS P2P Egress Control */
#define PCI_ACS_CAP_TRANS 0x0040 /* ACS Direct Translated P2P */
#define PCI_ACS_CAP_VECTOR(x) (((x) >> 8) & 0xff) /* Egress Control Vector Size */
#define PCI_ACS_CTRL 0x06 /* ACS Control Register */
#define PCI_ACS_CTRL_VALID 0x0001 /* ACS Source Validation Enable */
#define PCI_ACS_CTRL_BLOCK 0x0002 /* ACS Translation Blocking Enable */
#define PCI_ACS_CTRL_REQ_RED 0x0004 /* ACS P2P Request Redirect Enable */
#define PCI_ACS_CTRL_CMPLT_RED 0x0008 /* ACS P2P Completion Redirect Enable */
#define PCI_ACS_CTRL_FORWARD 0x0010 /* ACS Upstream Forwarding Enable */
#define PCI_ACS_CTRL_EGRESS 0x0020 /* ACS P2P Egress Control Enable */
#define PCI_ACS_CTRL_TRANS 0x0040 /* ACS Direct Translated P2P Enable */
#define PCI_ACS_EGRESS_CTRL 0x08 /* Egress Control Vector */
/* Alternative Routing-ID Interpretation */
#define PCI_ARI_CAP 0x04 /* ARI Capability Register */
#define PCI_ARI_CAP_MFVC 0x0001 /* MFVC Function Groups Capability */
#define PCI_ARI_CAP_ACS 0x0002 /* ACS Function Groups Capability */
#define PCI_ARI_CAP_NFN(x) (((x) >> 8) & 0xff) /* Next Function Number */
#define PCI_ARI_CTRL 0x06 /* ARI Control Register */
#define PCI_ARI_CTRL_MFVC 0x0001 /* MFVC Function Groups Enable */
#define PCI_ARI_CTRL_ACS 0x0002 /* ACS Function Groups Enable */
#define PCI_ARI_CTRL_FG(x) (((x) >> 4) & 7) /* Function Group */
/* Address Translation Service */
#define PCI_ATS_CAP 0x04 /* ATS Capability Register */
#define PCI_ATS_CAP_IQD(x) ((x) & 0x1f) /* Invalidate Queue Depth */
#define PCI_ATS_CTRL 0x06 /* ATS Control Register */
#define PCI_ATS_CTRL_STU(x) ((x) & 0x1f) /* Smallest Translation Unit */
#define PCI_ATS_CTRL_ENABLE 0x8000 /* ATS Enable */
/* Single Root I/O Virtualization */
#define PCI_IOV_CAP 0x04 /* SR-IOV Capability Register */
#define PCI_IOV_CAP_VFM 0x00000001 /* VF Migration Capable */
#define PCI_IOV_CAP_IMN(x) ((x) >> 21) /* VF Migration Interrupt Message Number */
#define PCI_IOV_CTRL 0x08 /* SR-IOV Control Register */
#define PCI_IOV_CTRL_VFE 0x0001 /* VF Enable */
#define PCI_IOV_CTRL_VFME 0x0002 /* VF Migration Enable */
#define PCI_IOV_CTRL_VFMIE 0x0004 /* VF Migration Interrupt Enable */
#define PCI_IOV_CTRL_MSE 0x0008 /* VF MSE */
#define PCI_IOV_CTRL_ARI 0x0010 /* ARI Capable Hierarchy */
#define PCI_IOV_STATUS 0x0a /* SR-IOV Status Register */
#define PCI_IOV_STATUS_MS 0x0001 /* VF Migration Status */
#define PCI_IOV_INITIALVF 0x0c /* Number of VFs that are initially associated */
#define PCI_IOV_TOTALVF 0x0e /* Maximum number of VFs that could be associated */
#define PCI_IOV_NUMVF 0x10 /* Number of VFs that are available */
#define PCI_IOV_FDL 0x12 /* Function Dependency Link */
#define PCI_IOV_OFFSET 0x14 /* First VF Offset */
#define PCI_IOV_STRIDE 0x16 /* Routing ID offset from one VF to the next one */
#define PCI_IOV_DID 0x1a /* VF Device ID */
#define PCI_IOV_SUPPS 0x1c /* Supported Page Sizes */
#define PCI_IOV_SYSPS 0x20 /* System Page Size */
#define PCI_IOV_BAR_BASE 0x24 /* VF BAR0, VF BAR1, ... VF BAR5 */
#define PCI_IOV_NUM_BAR 6 /* Number of VF BARs */
#define PCI_IOV_MSAO 0x3c /* VF Migration State Array Offset */
#define PCI_IOV_MSA_BIR(x) ((x) & 7) /* VF Migration State BIR */
#define PCI_IOV_MSA_OFFSET(x) ((x) & 0xfffffff8) /* VF Migration State Offset */
/* Multicast */
#define PCI_MCAST_CAP 0x04 /* Multicast Capability */
#define PCI_MCAST_CAP_MAX_GROUP(x) ((x) & 0x3f)
#define PCI_MCAST_CAP_WIN_SIZE(x) (((x) >> 8) & 0x3f)
#define PCI_MCAST_CAP_ECRC 0x8000 /* ECRC Regeneration Supported */
#define PCI_MCAST_CTRL 0x06 /* Multicast Control */
#define PCI_MCAST_CTRL_NUM_GROUP(x) ((x) & 0x3f)
#define PCI_MCAST_CTRL_ENABLE 0x8000 /* MC Enabled */
#define PCI_MCAST_BAR 0x08 /* Base Address */
#define PCI_MCAST_BAR_INDEX_POS(x) ((u32) ((x) & 0x3f))
#define PCI_MCAST_BAR_MASK (~0xfffUL)
#define PCI_MCAST_RCV 0x10 /* Receive */
#define PCI_MCAST_BLOCK 0x18 /* Block All */
#define PCI_MCAST_BLOCK_UNTRANS 0x20 /* Block Untranslated */
#define PCI_MCAST_OVL_BAR 0x28 /* Overlay BAR */
#define PCI_MCAST_OVL_SIZE(x) ((u32) ((x) & 0x3f))
#define PCI_MCAST_OVL_MASK (~0x3fUL)
/* Page Request Interface */
#define PCI_PRI_CTRL 0x04 /* PRI Control Register */
#define PCI_PRI_CTRL_ENABLE 0x01 /* Enable */
#define PCI_PRI_CTRL_RESET 0x02 /* Reset */
#define PCI_PRI_STATUS 0x06 /* PRI status register */
#define PCI_PRI_STATUS_RF 0x001 /* Response Failure */
#define PCI_PRI_STATUS_UPRGI 0x002 /* Unexpected PRG index */
#define PCI_PRI_STATUS_STOPPED 0x100 /* PRI Stopped */
#define PCI_PRI_MAX_REQ 0x08 /* PRI max reqs supported */
#define PCI_PRI_ALLOC_REQ 0x0c /* PRI max reqs allowed */
/* Transaction Processing Hints */
#define PCI_TPH_CAPABILITIES 4
#define PCI_TPH_INTVEC_SUP (1<<1) /* Supports interrupt vector mode */
#define PCI_TPH_DEV_SUP (1<<2) /* Device specific mode supported */
#define PCI_TPH_EXT_REQ_SUP (1<<8) /* Supports extended requests */
#define PCI_TPH_ST_LOC_MASK (3<<9) /* Steering table location bits */
#define PCI_TPH_ST_NONE (0<<9) /* No steering table */
#define PCI_TPH_ST_CAP (1<<9) /* Steering table in TPH cap */
#define PCI_TPH_ST_MSIX (2<<9) /* Steering table in MSI-X table */
#define PCI_TPH_ST_SIZE_SHIFT (16) /* Encoded as size - 1 */
/* Latency Tolerance Reporting */
#define PCI_LTR_MAX_SNOOP 4 /* 16 bit value */
#define PCI_LTR_VALUE_MASK (0x3ff)
#define PCI_LTR_SCALE_SHIFT (10)
#define PCI_LTR_SCALE_MASK (7)
#define PCI_LTR_MAX_NOSNOOP 6 /* 16 bit value */
/* Secondary PCI Express Extended Capability */
#define PCI_SEC_LNKCTL3 4 /* Link Control 3 register */
#define PCI_SEC_LNKCTL3_PERFORM_LINK_EQU 0x01
#define PCI_SEC_LNKCTL3_LNK_EQU_REQ_INTR_EN 0x02
#define PCI_SEC_LNKCTL3_ENBL_LOWER_SKP_OS_GEN_VEC(x) ((x >> 8) & 0x7F)
#define PCI_SEC_LANE_ERR 8 /* Lane Error status register */
#define PCI_SEC_LANE_EQU_CTRL 12 /* Lane Equalization control register */
/* Process Address Space ID */
#define PCI_PASID_CAP 0x04 /* PASID feature register */
#define PCI_PASID_CAP_EXEC 0x02 /* Exec permissions Supported */
#define PCI_PASID_CAP_PRIV 0x04 /* Privilege Mode Supported */
#define PCI_PASID_CAP_WIDTH(x) (((x) >> 8) & 0x1f) /* Max PASID Width */
#define PCI_PASID_CTRL 0x06 /* PASID control register */
#define PCI_PASID_CTRL_ENABLE 0x01 /* Enable bit */
#define PCI_PASID_CTRL_EXEC 0x02 /* Exec permissions Enable */
#define PCI_PASID_CTRL_PRIV 0x04 /* Privilege Mode Enable */
#define PCI_DPC_CAP 4 /* DPC Capability */
#define PCI_DPC_CAP_INT_MSG(x) ((x) & 0x1f) /* DPC Interrupt Message Number */
#define PCI_DPC_CAP_RP_EXT 0x20 /* DPC Root Port Extentions */
#define PCI_DPC_CAP_TLP_BLOCK 0x40 /* DPC Poisoned TLP Egress Blocking */
#define PCI_DPC_CAP_SW_TRIGGER 0x80 /* DPC Software Trigger */
#define PCI_DPC_CAP_RP_LOG(x) (((x) >> 8) & 0xf) /* DPC RP PIO Log Size */
#define PCI_DPC_CAP_DL_ACT_ERR 0x1000 /* DPC DL_Active ERR_COR Signal */
#define PCI_DPC_CTL 6 /* DPC Control */
#define PCI_DPC_CTL_TRIGGER(x) ((x) & 0x3) /* DPC Trigger Enable */
#define PCI_DPC_CTL_CMPL 0x4 /* DPC Completion Control */
#define PCI_DPC_CTL_INT 0x8 /* DPC Interrupt Enabled */
#define PCI_DPC_CTL_ERR_COR 0x10 /* DPC ERR_COR Enabled */
#define PCI_DPC_CTL_TLP 0x20 /* DPC Poisoned TLP Egress Blocking Enabled */
#define PCI_DPC_CTL_SW_TRIGGER 0x40 /* DPC Software Trigger */
#define PCI_DPC_CTL_DL_ACTIVE 0x80 /* DPC DL_Active ERR_COR Enable */
#define PCI_DPC_STATUS 8 /* DPC STATUS */
#define PCI_DPC_STS_TRIGGER 0x01 /* DPC Trigger Status */
#define PCI_DPC_STS_REASON(x) (((x) >> 1) & 0x3) /* DPC Trigger Reason */
#define PCI_DPC_STS_INT 0x08 /* DPC Interrupt Status */
#define PCI_DPC_STS_RP_BUSY 0x10 /* DPC Root Port Busy */
#define PCI_DPC_STS_TRIGGER_EXT(x) (((x) >> 5) & 0x3) /* Trigger Reason Extention */
#define PCI_DPC_STS_PIO_FEP(x) (((x) >> 8) & 0x1f) /* DPC PIO First Error Pointer */
#define PCI_DPC_SOURCE 10 /* DPC Source ID */
/* L1 PM Substates Extended Capability */
#define PCI_L1PM_SUBSTAT_CAP 0x4 /* L1 PM Substate Capability */
#define PCI_L1PM_SUBSTAT_CAP_PM_L12 0x1 /* PCI-PM L1.2 Supported */
#define PCI_L1PM_SUBSTAT_CAP_PM_L11 0x2 /* PCI-PM L1.1 Supported */
#define PCI_L1PM_SUBSTAT_CAP_ASPM_L12 0x4 /* ASPM L1.2 Supported */
#define PCI_L1PM_SUBSTAT_CAP_ASPM_L11 0x8 /* ASPM L1.1 Supported */
#define PCI_L1PM_SUBSTAT_CAP_L1PM_SUPP 0x16 /* L1 PM Substates supported */
#define PCI_L1PM_SUBSTAT_CTL1 0x8 /* L1 PM Substate Control 1 */
#define PCI_L1PM_SUBSTAT_CTL1_PM_L12 0x1 /* PCI-PM L1.2 Enable */
#define PCI_L1PM_SUBSTAT_CTL1_PM_L11 0x2 /* PCI-PM L1.1 Enable */
#define PCI_L1PM_SUBSTAT_CTL1_ASPM_L12 0x4 /* ASPM L1.2 Enable */
#define PCI_L1PM_SUBSTAT_CTL1_ASPM_L11 0x8 /* ASPM L1.1 Enable */
#define PCI_L1PM_SUBSTAT_CTL2 0xC /* L1 PM Substate Control 2 */
/*
* The PCI interface treats multi-function devices as independent
* devices. The slot/function address of each device is encoded
* in a single byte as follows:
*
* 7:3 = slot
* 2:0 = function
*/
#define PCI_DEVFN(slot,func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
#define PCI_FUNC(devfn) ((devfn) & 0x07)
/* 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_ATA 0x0105
#define PCI_CLASS_STORAGE_SATA 0x0106
#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_ISDN 0x0204
#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_AUDIO_DEV 0x0403
#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_PCI_SEMI 0x0609
#define PCI_CLASS_BRIDGE_IB_TO_PCI 0x060a
#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_MSERIAL 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_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_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_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_INFINIBAND 0x0c06
#define PCI_BASE_CLASS_WIRELESS 0x0d
#define PCI_CLASS_WIRELESS_IRDA 0x0d00
#define PCI_CLASS_WIRELESS_CONSUMER_IR 0x0d01
#define PCI_CLASS_WIRELESS_RF 0x0d10
#define PCI_CLASS_WIRELESS_OTHER 0x0d80
#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 0x1010
#define PCI_CLASS_CRYPT_OTHER 0x1080
#define PCI_BASE_CLASS_SIGNAL 0x11
#define PCI_CLASS_SIGNAL_DPIO 0x1100
#define PCI_CLASS_SIGNAL_PERF_CTR 0x1101
#define PCI_CLASS_SIGNAL_SYNCHRONIZER 0x1110
#define PCI_CLASS_SIGNAL_OTHER 0x1180
#define PCI_CLASS_OTHERS 0xff
/* Several ID's we need in the library */
#define PCI_VENDOR_ID_INTEL 0x8086
#define PCI_VENDOR_ID_COMPAQ 0x0e11
/* I/O resource flags, compatible with <include/linux/ioport.h> */
#define PCI_IORESOURCE_PCI_EA_BEI (1<<5)
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Makefile.linux
CFLAGS = -std=c11 -Wall -g
LDFLAGS = -lpci
gpioke: gpioke.c
${CC} ${CFLAGS} -o $@ $^ ${LDFLAGS}
Raw
Makefile.win
#LDFLAGS = -L. -lpci -lwinio32
LDFLAGS = -L. -lpci -lwinio64
gpioke: gpioke.c
gcc -Wall -o $@ $^ ${LDFLAGS}
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pci.h
/*
* The PCI Library
*
* Copyright (c) 1997--2020 Martin Mares <[email protected]>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _PCI_LIB_H
#define _PCI_LIB_H
#ifndef PCI_CONFIG_H
#include "config.h"
#endif
#include "header.h"
#include "types.h"
#define PCI_LIB_VERSION 0x030604
#ifndef PCI_ABI
#define PCI_ABI
#endif
/*
* PCI Access Structure
*/
struct pci_methods;
enum pci_access_type {
/* Known access methods, remember to update init.c as well */
PCI_ACCESS_AUTO, /* Autodetection */
PCI_ACCESS_SYS_BUS_PCI, /* Linux /sys/bus/pci */
PCI_ACCESS_PROC_BUS_PCI, /* Linux /proc/bus/pci */
PCI_ACCESS_I386_TYPE1, /* i386 ports, type 1 */
PCI_ACCESS_I386_TYPE2, /* i386 ports, type 2 */
PCI_ACCESS_FBSD_DEVICE, /* FreeBSD /dev/pci */
PCI_ACCESS_AIX_DEVICE, /* /dev/pci0, /dev/bus0, etc. */
PCI_ACCESS_NBSD_LIBPCI, /* NetBSD libpci */
PCI_ACCESS_OBSD_DEVICE, /* OpenBSD /dev/pci */
PCI_ACCESS_DUMP, /* Dump file */
PCI_ACCESS_DARWIN, /* Darwin */
PCI_ACCESS_SYLIXOS_DEVICE, /* SylixOS pci */
PCI_ACCESS_HURD, /* GNU/Hurd */
PCI_ACCESS_MAX
};
struct pci_access {
/* Options you can change: */
unsigned int method; /* Access method */
int writeable; /* Open in read/write mode */
int buscentric; /* Bus-centric view of the world */
char *id_file_name; /* Name of ID list file (use pci_set_name_list_path()) */
int free_id_name; /* Set if id_file_name is malloced */
int numeric_ids; /* Enforce PCI_LOOKUP_NUMERIC (>1 => PCI_LOOKUP_MIXED) */
unsigned int id_lookup_mode; /* pci_lookup_mode flags which are set automatically */
/* Default: PCI_LOOKUP_CACHE */
int debugging; /* Turn on debugging messages */
/* Functions you can override: */
void (*error)(char *msg, ...) PCI_PRINTF(1,2); /* Write error message and quit */
void (*warning)(char *msg, ...) PCI_PRINTF(1,2); /* Write a warning message */
void (*debug)(char *msg, ...) PCI_PRINTF(1,2); /* Write a debugging message */
struct pci_dev *devices; /* Devices found on this bus */
/* Fields used internally: */
struct pci_methods *methods;
struct pci_param *params;
struct id_entry **id_hash; /* names.c */
struct id_bucket *current_id_bucket;
int id_load_failed;
int id_cache_status; /* 0=not read, 1=read, 2=dirty */
struct udev *id_udev; /* names-hwdb.c */
struct udev_hwdb *id_udev_hwdb;
int fd; /* proc/sys: fd for config space */
int fd_rw; /* proc/sys: fd opened read-write */
int fd_pos; /* proc/sys: current position */
int fd_vpd; /* sys: fd for VPD */
struct pci_dev *cached_dev; /* proc/sys: device the fds are for */
};
/* Initialize PCI access */
struct pci_access *pci_alloc(void) PCI_ABI;
void pci_init(struct pci_access *) PCI_ABI;
void pci_cleanup(struct pci_access *) PCI_ABI;
/* Scanning of devices */
void pci_scan_bus(struct pci_access *acc) PCI_ABI;
struct pci_dev *pci_get_dev(struct pci_access *acc, int domain, int bus, int dev, int func) PCI_ABI; /* Raw access to specified device */
void pci_free_dev(struct pci_dev *) PCI_ABI;
/* Names of access methods */
int pci_lookup_method(char *name) PCI_ABI; /* Returns -1 if not found */
char *pci_get_method_name(int index) PCI_ABI; /* Returns "" if unavailable, NULL if index out of range */
/*
* Named parameters
*/
struct pci_param {
struct pci_param *next; /* Please use pci_walk_params() for traversing the list */
char *param; /* Name of the parameter */
char *value; /* Value of the parameter */
int value_malloced; /* used internally */
char *help; /* Explanation of the parameter */
};
char *pci_get_param(struct pci_access *acc, char *param) PCI_ABI;
int pci_set_param(struct pci_access *acc, char *param, char *value) PCI_ABI; /* 0 on success, -1 if no such parameter */
/* To traverse the list, call pci_walk_params repeatedly, first with prev=NULL, and do not modify the parameters during traversal. */
struct pci_param *pci_walk_params(struct pci_access *acc, struct pci_param *prev) PCI_ABI;
/*
* Devices
*/
struct pci_dev {
struct pci_dev *next; /* Next device in the chain */
u16 domain_16; /* 16-bit version of the PCI domain for backward compatibility */
/* 0xffff if the real domain doesn't fit in 16 bits */
u8 bus, dev, func; /* Bus inside domain, device and function */
/* These fields are set by pci_fill_info() */
int known_fields; /* Set of info fields already known */
u16 vendor_id, device_id; /* Identity of the device */
u16 device_class; /* PCI device class */
int irq; /* IRQ number */
pciaddr_t base_addr[6]; /* Base addresses including flags in lower bits */
pciaddr_t size[6]; /* Region sizes */
pciaddr_t rom_base_addr; /* Expansion ROM base address */
pciaddr_t rom_size; /* Expansion ROM size */
struct pci_cap *first_cap; /* List of capabilities */
char *phy_slot; /* Physical slot */
char *module_alias; /* Linux kernel module alias */
char *label; /* Device name as exported by BIOS */
int numa_node; /* NUMA node */
pciaddr_t flags[6]; /* PCI_IORESOURCE_* flags for regions */
pciaddr_t rom_flags; /* PCI_IORESOURCE_* flags for expansion ROM */
int domain; /* PCI domain (host bridge) */
/* Fields used internally */
struct pci_access *access;
struct pci_methods *methods;
u8 *cache; /* Cached config registers */
int cache_len;
int hdrtype; /* Cached low 7 bits of header type, -1 if unknown */
void *aux; /* Auxiliary data */
struct pci_property *properties; /* A linked list of extra properties */
struct pci_cap *last_cap; /* Last capability in the list */
};
#define PCI_ADDR_IO_MASK (~(pciaddr_t) 0x3)
#define PCI_ADDR_MEM_MASK (~(pciaddr_t) 0xf)
#define PCI_ADDR_FLAG_MASK 0xf
u8 pci_read_byte(struct pci_dev *, int pos) PCI_ABI; /* Access to configuration space */
u16 pci_read_word(struct pci_dev *, int pos) PCI_ABI;
u32 pci_read_long(struct pci_dev *, int pos) PCI_ABI;
int pci_read_block(struct pci_dev *, int pos, u8 *buf, int len) PCI_ABI;
int pci_read_vpd(struct pci_dev *d, int pos, u8 *buf, int len) PCI_ABI;
int pci_write_byte(struct pci_dev *, int pos, u8 data) PCI_ABI;
int pci_write_word(struct pci_dev *, int pos, u16 data) PCI_ABI;
int pci_write_long(struct pci_dev *, int pos, u32 data) PCI_ABI;
int pci_write_block(struct pci_dev *, int pos, u8 *buf, int len) PCI_ABI;
/*
* Most device properties take some effort to obtain, so libpci does not
* initialize them during default bus scan. Instead, you have to call
* pci_fill_info() with the proper PCI_FILL_xxx constants OR'ed together.
*
* Some properties are stored directly in the pci_dev structure.
* The remaining ones can be accessed through pci_get_string_property().
*/
int pci_fill_info(struct pci_dev *, int flags) PCI_ABI;
char *pci_get_string_property(struct pci_dev *d, u32 prop) PCI_ABI;
#define PCI_FILL_IDENT 0x0001
#define PCI_FILL_IRQ 0x0002
#define PCI_FILL_BASES 0x0004
#define PCI_FILL_ROM_BASE 0x0008
#define PCI_FILL_SIZES 0x0010
#define PCI_FILL_CLASS 0x0020
#define PCI_FILL_CAPS 0x0040
#define PCI_FILL_EXT_CAPS 0x0080
#define PCI_FILL_PHYS_SLOT 0x0100
#define PCI_FILL_MODULE_ALIAS 0x0200
#define PCI_FILL_LABEL 0x0400
#define PCI_FILL_NUMA_NODE 0x0800
#define PCI_FILL_IO_FLAGS 0x1000
#define PCI_FILL_DT_NODE 0x2000 /* Device tree node */
#define PCI_FILL_RESCAN 0x00010000
void pci_setup_cache(struct pci_dev *, u8 *cache, int len) PCI_ABI;
/*
* Capabilities
*/
struct pci_cap {
struct pci_cap *next;
u16 id; /* PCI_CAP_ID_xxx */
u16 type; /* PCI_CAP_xxx */
unsigned int addr; /* Position in the config space */
};
#define PCI_CAP_NORMAL 1 /* Traditional PCI capabilities */
#define PCI_CAP_EXTENDED 2 /* PCIe extended capabilities */
struct pci_cap *pci_find_cap(struct pci_dev *, unsigned int id, unsigned int type) PCI_ABI;
struct pci_cap *pci_find_cap_nr(struct pci_dev *, unsigned int id, unsigned int type,
unsigned int *cap_number) PCI_ABI;
/*
* Filters
*/
struct pci_filter {
int domain, bus, slot, func; /* -1 = ANY */
int vendor, device, device_class;
int rfu[3];
};
void pci_filter_init(struct pci_access *, struct pci_filter *) PCI_ABI;
char *pci_filter_parse_slot(struct pci_filter *, char *) PCI_ABI;
char *pci_filter_parse_id(struct pci_filter *, char *) PCI_ABI;
int pci_filter_match(struct pci_filter *, struct pci_dev *) PCI_ABI;
/*
* Conversion of PCI ID's to names (according to the pci.ids file)
*
* Call pci_lookup_name() to identify different types of ID's:
*
* VENDOR (vendorID) -> vendor
* DEVICE (vendorID, deviceID) -> device
* VENDOR | DEVICE (vendorID, deviceID) -> combined vendor and device
* SUBSYSTEM | VENDOR (subvendorID) -> subsystem vendor
* SUBSYSTEM | DEVICE (vendorID, deviceID, subvendorID, subdevID) -> subsystem device
* SUBSYSTEM | VENDOR | DEVICE (vendorID, deviceID, subvendorID, subdevID) -> combined subsystem v+d
* SUBSYSTEM | ... (-1, -1, subvendorID, subdevID) -> generic subsystem
* CLASS (classID) -> class
* PROGIF (classID, progif) -> programming interface
*/
char *pci_lookup_name(struct pci_access *a, char *buf, int size, int flags, ...) PCI_ABI;
int pci_load_name_list(struct pci_access *a) PCI_ABI; /* Called automatically by pci_lookup_*() when needed; returns success */
void pci_free_name_list(struct pci_access *a) PCI_ABI; /* Called automatically by pci_cleanup() */
void pci_set_name_list_path(struct pci_access *a, char *name, int to_be_freed) PCI_ABI;
void pci_id_cache_flush(struct pci_access *a) PCI_ABI;
enum pci_lookup_mode {
PCI_LOOKUP_VENDOR = 1, /* Vendor name (args: vendorID) */
PCI_LOOKUP_DEVICE = 2, /* Device name (args: vendorID, deviceID) */
PCI_LOOKUP_CLASS = 4, /* Device class (args: classID) */
PCI_LOOKUP_SUBSYSTEM = 8,
PCI_LOOKUP_PROGIF = 16, /* Programming interface (args: classID, prog_if) */
PCI_LOOKUP_NUMERIC = 0x10000, /* Want only formatted numbers; default if access->numeric_ids is set */
PCI_LOOKUP_NO_NUMBERS = 0x20000, /* Return NULL if not found in the database; default is to print numerically */
PCI_LOOKUP_MIXED = 0x40000, /* Include both numbers and names */
PCI_LOOKUP_NETWORK = 0x80000, /* Try to resolve unknown ID's by DNS */
PCI_LOOKUP_SKIP_LOCAL = 0x100000, /* Do not consult local database */
PCI_LOOKUP_CACHE = 0x200000, /* Consult the local cache before using DNS */
PCI_LOOKUP_REFRESH_CACHE = 0x400000, /* Forget all previously cached entries, but still allow updating the cache */
PCI_LOOKUP_NO_HWDB = 0x800000, /* Do not ask udev's hwdb */
};
#endif
Raw
types.h
/*
* The PCI Library -- Types and Format Strings
*
* Copyright (c) 1997--2017 Martin Mares <[email protected]>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include <sys/types.h>
#ifndef PCI_HAVE_Uxx_TYPES
#ifdef PCI_OS_WINDOWS
/* On Windows compilers, use <windef.h> */
#include <windef.h>
typedef BYTE u8;
typedef WORD u16;
typedef DWORD u32;
typedef unsigned __int64 u64;
#define PCI_U64_FMT_X "I64x"
#elif defined(PCI_HAVE_STDINT_H) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
/* Use standard types in C99 and newer */
#include <stdint.h>
#include <inttypes.h>
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;
#define PCI_U64_FMT_X PRIx64
#else
/* Hope for POSIX types from <sys/types.h> */
typedef u_int8_t u8;
typedef u_int16_t u16;
typedef u_int32_t u32;
/* u64 will be unsigned (long) long */
#include <limits.h>
#if ULONG_MAX > 0xffffffff
typedef unsigned long u64;
#define PCI_U64_FMT_X "lx"
#else
typedef unsigned long long u64;
#define PCI_U64_FMT_X "llx"
#endif
#endif
#endif /* PCI_HAVE_Uxx_TYPES */
#ifdef PCI_HAVE_64BIT_ADDRESS
typedef u64 pciaddr_t;
#define PCIADDR_T_FMT "%08" PCI_U64_FMT_X
#define PCIADDR_PORT_FMT "%04" PCI_U64_FMT_X
#else
typedef u32 pciaddr_t;
#define PCIADDR_T_FMT "%08x"
#define PCIADDR_PORT_FMT "%04x"
#endif
#ifdef PCI_ARCH_SPARC64
/* On sparc64 Linux the kernel reports remapped port addresses and IRQ numbers */
#undef PCIADDR_PORT_FMT
#define PCIADDR_PORT_FMT PCIADDR_T_FMT
#define PCIIRQ_FMT "%08x"
#else
#define PCIIRQ_FMT "%d"
#endif
#if defined(__GNUC__) && __GNUC__ > 2
#define PCI_PRINTF(x,y) __attribute__((format(printf, x, y)))
#else
#define PCI_PRINTF(x,y)
#endif
Raw
winio.h
#ifndef WINIO_H
#define WINIO_H
#include "winio_nt.h"
bool _stdcall InitializeWinIo(void);
void _stdcall ShutdownWinIo(void);
PBYTE _stdcall MapPhysToLin(tagPhysStruct PhysStruct);
bool _stdcall UnmapPhysicalMemory(tagPhysStruct PhysStruct);
bool _stdcall GetPhysLong(PBYTE pbPhysAddr, PDWORD pdwPhysVal);
bool _stdcall SetPhysLong(PBYTE pbPhysAddr, DWORD dwPhysVal);
bool _stdcall GetPortVal(WORD wPortAddr, PDWORD pdwPortVal, BYTE bSize);
bool _stdcall SetPortVal(WORD wPortAddr, DWORD dwPortVal, BYTE bSize);
extern HANDLE hDriver;
extern bool IsWinIoInitialized;
extern bool g_Is64BitOS;
#endif
Raw
winio_nt.h
#ifndef WINIONT_H
#define WINIONT_H
// Define the various device type values. Note that values used by Microsoft
// Corporation are in the range 0-32767, and 32768-65535 are reserved for use
// by customers.
#define FILE_DEVICE_WINIO 0x00008010
// Macro definition for defining IOCTL and FSCTL function control codes.
// Note that function codes 0-2047 are reserved for Microsoft Corporation,
// and 2048-4095 are reserved for customers.
#define WINIO_IOCTL_INDEX 0x810
// Define our own private IOCTL
#define IOCTL_WINIO_MAPPHYSTOLIN CTL_CODE(FILE_DEVICE_WINIO, \
WINIO_IOCTL_INDEX, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_WINIO_UNMAPPHYSADDR CTL_CODE(FILE_DEVICE_WINIO, \
WINIO_IOCTL_INDEX + 1, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_WINIO_ENABLEDIRECTIO CTL_CODE(FILE_DEVICE_WINIO, \
WINIO_IOCTL_INDEX + 2, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_WINIO_DISABLEDIRECTIO CTL_CODE(FILE_DEVICE_WINIO, \
WINIO_IOCTL_INDEX + 3, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_WINIO_READPORT CTL_CODE(FILE_DEVICE_WINIO, \
WINIO_IOCTL_INDEX + 4, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#define IOCTL_WINIO_WRITEPORT CTL_CODE(FILE_DEVICE_WINIO, \
WINIO_IOCTL_INDEX + 5, \
METHOD_BUFFERED, \
FILE_ANY_ACCESS)
#pragma pack(push)
#pragma pack(1)
typedef struct tagPhysStruct
{
DWORD64 dwPhysMemSizeInBytes;
DWORD64 pvPhysAddress;
DWORD64 PhysicalMemoryHandle;
DWORD64 pvPhysMemLin;
DWORD64 pvPhysSection;
} tagPhysStruct;
typedef struct tagPortStruct
{
USHORT wPortAddr;
ULONG dwPortVal;
UCHAR bSize;
} tagPortStruct;
#pragma pack(pop)
#endif
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