[thirdparty/pciutils.git] / setpci.c

/*
 *	The PCI Utilities -- Manipulate PCI Configuration Registers
 *
 *	Copyright (c) 1998--2003 Martin Mares <mj@ucw.cz>
 *
 *	Can be freely distributed and used under the terms of the GNU GPL.
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>

#include "pciutils.h"

static int force;			/* Don't complain if no devices match */
static int verbose;			/* Verbosity level */
static int demo_mode;			/* Only show */

static struct pci_access *pacc;

struct value {
  unsigned int value;
  unsigned int mask;
};

struct op {
  struct op *next;
  struct pci_dev **dev_vector;
  unsigned int addr;
  unsigned int width;			/* Byte width of the access */
  int num_values;			/* Number of values to write; <0=read */
  struct value values[0];
};

static struct op *first_op, **last_op = &first_op;
static unsigned int max_values[] = { 0, 0xff, 0xffff, 0, 0xffffffff };

static struct pci_dev **
select_devices(struct pci_filter *filt)
{
  struct pci_dev *z, **a, **b;
  int cnt = 1;

  for(z=pacc->devices; z; z=z->next)
    if (pci_filter_match(filt, z))
      cnt++;
  a = b = xmalloc(sizeof(struct device *) * cnt);
  for(z=pacc->devices; z; z=z->next)
    if (pci_filter_match(filt, z))
      *a++ = z;
  *a = NULL;
  return b;
}

static void
exec_op(struct op *op, struct pci_dev *dev)
{
  char *formats[] = { NULL, "%02x", "%04x", NULL, "%08x" };
  char *mask_formats[] = { NULL, "%02x->(%02x:%02x)->%02x", "%04x->(%04x:%04x)->%04x", NULL, "%08x->(%08x:%08x)->%08x" };
  unsigned int x, y;
  int i, addr;
  int width = op->width;

  if (verbose)
    printf("%02x:%02x.%x:%02x", dev->bus, dev->dev, dev->func, op->addr);
  addr = op->addr;
  if (op->num_values >= 0)
    {
      for(i=0; i<op->num_values; i++)
	{
	  if ((op->values[i].mask & max_values[width]) == max_values[width])
	    {
	      x = op->values[i].value;
	      if (verbose)
		{
		  putchar(' ');
		  printf(formats[width], op->values[i].value);
		}
	    }
	  else
	    {
	      switch (width)
		{
		case 1:
		  y = pci_read_byte(dev, addr);
		  break;
		case 2:
		  y = pci_read_word(dev, addr);
		  break;
		default:
		  y = pci_read_long(dev, addr);
		  break;
		}
	      x = (y & ~op->values[i].mask) | op->values[i].value;
	      if (verbose)
		{
		  putchar(' ');
		  printf(mask_formats[width], y, op->values[i].value, op->values[i].mask, x);
		}
	    }
	  if (!demo_mode)
	    {
	      switch (width)
		{
		case 1:
		  pci_write_byte(dev, addr, x);
		  break;
		case 2:
		  pci_write_word(dev, addr, x);
		  break;
		default:
		  pci_write_long(dev, addr, x);
		  break;
		}
	    }
	  addr += width;
	}
      if (verbose)
	putchar('\n');
    }
  else
    {
      if (verbose)
	printf(" = ");
      switch (width)
	{
	case 1:
	  x = pci_read_byte(dev, addr);
	  break;
	case 2:
	  x = pci_read_word(dev, addr);
	  break;
	default:
	  x = pci_read_long(dev, addr);
	  break;
	}
      printf(formats[width], x);
      putchar('\n');
    }
}

static void
execute(struct op *op)
{
  struct pci_dev **vec = NULL;
  struct pci_dev **pdev, *dev;
  struct op *oops;

  while (op)
    {
      pdev = vec = op->dev_vector;
      while (dev = *pdev++)
	for(oops=op; oops && oops->dev_vector == vec; oops=oops->next)
	  exec_op(oops, dev);
      while (op && op->dev_vector == vec)
	op = op->next;
    }
}

static void
scan_ops(struct op *op)
{
  while (op)
    {
      if (op->num_values >= 0)
	pacc->writeable = 1;
      op = op->next;
    }
}

struct reg_name {
  unsigned int offset;
  unsigned int width;
  const char *name;
};

static const struct reg_name pci_reg_names[] = {
  { 0x00, 2, "VENDOR_ID", },
  { 0x02, 2, "DEVICE_ID", },
  { 0x04, 2, "COMMAND", },
  { 0x06, 2, "STATUS", },
  { 0x08, 1, "REVISION", },
  { 0x09, 1, "CLASS_PROG", },
  { 0x0a, 2, "CLASS_DEVICE", },
  { 0x0c, 1, "CACHE_LINE_SIZE", },
  { 0x0d, 1, "LATENCY_TIMER", },
  { 0x0e, 1, "HEADER_TYPE", },
  { 0x0f, 1, "BIST", },
  { 0x10, 4, "BASE_ADDRESS_0", },
  { 0x14, 4, "BASE_ADDRESS_1", },
  { 0x18, 4, "BASE_ADDRESS_2", },
  { 0x1c, 4, "BASE_ADDRESS_3", },
  { 0x20, 4, "BASE_ADDRESS_4", },
  { 0x24, 4, "BASE_ADDRESS_5", },
  { 0x28, 4, "CARDBUS_CIS", },
  { 0x2c, 4, "SUBSYSTEM_VENDOR_ID", },
  { 0x2e, 2, "SUBSYSTEM_ID", },
  { 0x30, 4, "ROM_ADDRESS", },
  { 0x3c, 1, "INTERRUPT_LINE", },
  { 0x3d, 1, "INTERRUPT_PIN", },
  { 0x3e, 1, "MIN_GNT", },
  { 0x3f, 1, "MAX_LAT", },
  { 0x18, 1, "PRIMARY_BUS", },
  { 0x19, 1, "SECONDARY_BUS", },
  { 0x1a, 1, "SUBORDINATE_BUS", },
  { 0x1b, 1, "SEC_LATENCY_TIMER", },
  { 0x1c, 1, "IO_BASE", },
  { 0x1d, 1, "IO_LIMIT", },
  { 0x1e, 2, "SEC_STATUS", },
  { 0x20, 2, "MEMORY_BASE", },
  { 0x22, 2, "MEMORY_LIMIT", },
  { 0x24, 2, "PREF_MEMORY_BASE", },
  { 0x26, 2, "PREF_MEMORY_LIMIT", },
  { 0x28, 4, "PREF_BASE_UPPER32", },
  { 0x2c, 4, "PREF_LIMIT_UPPER32", },
  { 0x30, 2, "IO_BASE_UPPER16", },
  { 0x32, 2, "IO_LIMIT_UPPER16", },
  { 0x38, 4, "BRIDGE_ROM_ADDRESS", },
  { 0x3e, 2, "BRIDGE_CONTROL", },
  { 0x10, 4, "CB_CARDBUS_BASE", },
  { 0x14, 2, "CB_CAPABILITIES", },
  { 0x16, 2, "CB_SEC_STATUS", },
  { 0x18, 1, "CB_BUS_NUMBER", },
  { 0x19, 1, "CB_CARDBUS_NUMBER", },
  { 0x1a, 1, "CB_SUBORDINATE_BUS", },
  { 0x1b, 1, "CB_CARDBUS_LATENCY", },
  { 0x1c, 4, "CB_MEMORY_BASE_0", },
  { 0x20, 4, "CB_MEMORY_LIMIT_0", },
  { 0x24, 4, "CB_MEMORY_BASE_1", },
  { 0x28, 4, "CB_MEMORY_LIMIT_1", },
  { 0x2c, 2, "CB_IO_BASE_0", },
  { 0x2e, 2, "CB_IO_BASE_0_HI", },
  { 0x30, 2, "CB_IO_LIMIT_0", },
  { 0x32, 2, "CB_IO_LIMIT_0_HI", },
  { 0x34, 2, "CB_IO_BASE_1", },
  { 0x36, 2, "CB_IO_BASE_1_HI", },
  { 0x38, 2, "CB_IO_LIMIT_1", },
  { 0x3a, 2, "CB_IO_LIMIT_1_HI", },
  { 0x40, 2, "CB_SUBSYSTEM_VENDOR_ID", },
  { 0x42, 2, "CB_SUBSYSTEM_ID", },
  { 0x44, 4, "CB_LEGACY_MODE_BASE", },
  { 0x00, 0, NULL }
};

static void NONRET
usage(char *msg, ...)
{
  va_list args;
  va_start(args, msg);
  if (msg)
    {
      fprintf(stderr, "setpci: ");
      vfprintf(stderr, msg, args);
      fprintf(stderr, "\n\n");
    }
  fprintf(stderr,
"Usage: setpci [<options>] (<device>+ <reg>[=<values>]*)*\n\
-f\t\tDon't complain if there's nothing to do\n\
-v\t\tBe verbose\n\
-D\t\tList changes, don't commit them\n"
GENERIC_HELP
"<device>:\t-s [[<bus>]:][<slot>][.[<func>]]\n"
"\t|\t-d [<vendor>]:[<device>]\n"
"<reg>:\t\t<number>[.(B|W|L)]\n"
"     |\t\t<name>\n"
"<values>:\t<value>[,<value>...]\n"
"<value>:\t<hex>\n"
"       |\t<hex>:<mask>\n");
  exit(1);
}

int
main(int argc, char **argv)
{
  enum { STATE_INIT, STATE_GOT_FILTER, STATE_GOT_OP } state = STATE_INIT;
  struct pci_filter filter;
  struct pci_dev **selected_devices = NULL;
  char *opts = GENERIC_OPTIONS ;

  if (argc == 2 && !strcmp(argv[1], "--version"))
    {
      puts("setpci version " PCIUTILS_VERSION);
      return 0;
    }
  argc--;
  argv++;

  pacc = pci_alloc();
  pacc->error = die;

  while (argc && argv[0][0] == '-')
    {
      char *c = argv[0]+1;
      char *d = c;
      char *e;
      while (*c)
	switch (*c)
	  {
	  case 'v':
	    verbose++;
	    c++;
	    break;
	  case 'f':
	    force++;
	    c++;
	    break;
	  case 'D':
	    demo_mode++;
	    c++;
	    break;
	  case 0:
	    break;
	  default:
	    if (e = strchr(opts, *c))
	      {
		char *arg;
		c++;
		if (e[1] == ':')
		  {
		    if (*c)
		      arg = c;
		    else if (argc > 1)
		      {
			arg = argv[1];
			argc--; argv++;
		      }
		    else
		      usage(NULL);
		    c = "";
		  }
		else
		  arg = NULL;
		if (!parse_generic_option(*e, pacc, arg))
		  usage(NULL);
	      }
	    else
	      {
		if (c != d)
		  usage(NULL);
		goto next;
	      }
	  }
      argc--;
      argv++;
    }
next:

  pci_init(pacc);
  pci_scan_bus(pacc);

  while (argc)
    {
      char *c = argv[0];
      char *d, *e, *f;
      int n, i;
      struct op *op;
      unsigned long ll;
      unsigned int lim;

      if (*c == '-')
	{
	  if (!c[1] || !strchr("sd", c[1]))
	    usage(NULL);
	  if (c[2])
	    d = (c[2] == '=') ? c+3 : c+2;
	  else if (argc > 1)
	    {
	      argc--;
	      argv++;
	      d = argv[0];
	    }
	  else
	    usage(NULL);
	  if (state != STATE_GOT_FILTER)
	    {
	      pci_filter_init(pacc, &filter);
	      state = STATE_GOT_FILTER;
	    }
	  switch (c[1])
	    {
	    case 's':
	      if (d = pci_filter_parse_slot(&filter, d))
		die("-s: %s", d);
	      break;
	    case 'd':
	      if (d = pci_filter_parse_id(&filter, d))
		die("-d: %s", d);
	      break;
	    default:
	      usage(NULL);
	    }
	}
      else if (state == STATE_INIT)
	usage(NULL);
      else
	{
	  if (state == STATE_GOT_FILTER)
	    selected_devices = select_devices(&filter);
	  if (!selected_devices[0] && !force)
	    fprintf(stderr, "setpci: Warning: No devices selected for `%s'.\n", c);
	  state = STATE_GOT_OP;
	  /* look for setting of values and count how many */
	  d = strchr(c, '=');
	  if (d)
	    {
	      *d++ = 0;
	      if (!*d)
		usage("Missing value");
	      for(e=d, n=1; *e; e++)
		if (*e == ',')
		  n++;
	      op = xmalloc(sizeof(struct op) + n*sizeof(struct value));
	    }
	  else
	    {
	      n = -1;
	      op = xmalloc(sizeof(struct op));
	    }
	  op->dev_vector = selected_devices;
	  op->num_values = n;
	  e = strchr(c, '.');
	  if (e)
	    {
	      *e++ = 0;
	      if (e[1])
		usage("Missing width");
	      switch (*e & 0xdf)
		{
		case 'B':
		  op->width = 1; break;
		case 'W':
		  op->width = 2; break;
		case 'L':
		  op->width = 4; break;
		default:
		  usage("Invalid width \"%s\"", *e);
		}
	    }
	  else
	    op->width = 1;
	  ll = strtol(c, &f, 16);
	  if (f && *f)
	    {
	      const struct reg_name *r;
	      for(r = pci_reg_names; r->name; r++)
		if (!strcasecmp(r->name, c))
		  break;
	      if (!r->name)
		usage("Unknown register \"%s\"", c);
	      if (e && op->width != r->width)
		usage("Explicit width doesn't correspond with the named register \"%s\"", c);
	      ll = r->offset;
	      op->width = r->width;
	    }
	  if (ll > 0x100 || ll + op->width*((n < 0) ? 1 : n) > 0x100)
	    die("Register number out of range!");
	  if (ll & (op->width - 1))
	    die("Unaligned register address!");
	  op->addr = ll;
	  /* read in all the values to be set */
	  for(i=0; i<n; i++)
	    {
	      e = strchr(d, ',');
	      if (e)
		*e++ = 0;
	      ll = strtoul(d, &f, 16);
	      lim = max_values[op->width];
	      if (f && *f && *f != ':')
		usage("Invalid value \"%s\"", d);
	      if (ll > lim && ll < ~0UL - lim)
		usage("Value \"%s\" is out of range", d);
	      op->values[i].value = ll;
	      if (f && *f == ':')
		{
		  d = ++f;
		  ll = strtoul(d, &f, 16);
		  if (f && *f)
		    usage("Invalid mask \"%s\"", d);
		  if (ll > lim && ll < ~0UL - lim)
		    usage("Mask \"%s\" is out of range", d);
		  op->values[i].mask = ll;
		  op->values[i].value &= ll;
		}
	      else
		op->values[i].mask = ~0U;
	      d = e;
	    }
	  *last_op = op;
	  last_op = &op->next;
	  op->next = NULL;
	}
      argc--;
      argv++;
    }
  if (state == STATE_INIT)
    usage("No operation specified");

  scan_ops(first_op);
  execute(first_op);

  return 0;
}
Commit	Line	Data
e4842ff3	1	/*
4284af58	2	* The PCI Utilities -- Manipulate PCI Configuration Registers
e4842ff3	3	*
b7351143	4	* Copyright (c) 1998--2003 Martin Mares <mj@ucw.cz>
e4842ff3 MM	5	*
	6	* Can be freely distributed and used under the terms of the GNU GPL.
	7	*/
	8
	9	#include <stdio.h>
	10	#include <string.h>
	11	#include <stdlib.h>
727ce158	12	#include <stdarg.h>
e4842ff3	13	#include <unistd.h>
7aad822b	14
e4842ff3 MM	15	#include "pciutils.h"
	16
	17	static int force; /* Don't complain if no devices match */
	18	static int verbose; /* Verbosity level */
b2c9b373	19	static int demo_mode; /* Only show */
e4842ff3	20
727ce158	21	static struct pci_access *pacc;
e4842ff3	22
b7351143 MM	23	struct value {
	24	unsigned int value;
	25	unsigned int mask;
	26	};
	27
e4842ff3 MM	28	struct op {
e4842ff3 MM	29	struct op *next;
727ce158	30	struct pci_dev **dev_vector;
e4842ff3 MM	31	unsigned int addr;
	32	unsigned int width; /* Byte width of the access */
	33	int num_values; /* Number of values to write; <0=read */
b7351143	34	struct value values[0];
e4842ff3 MM	35	};
	36
	37	static struct op first_op, *last_op = &first_op;
b7351143	38	static unsigned int max_values[] = { 0, 0xff, 0xffff, 0, 0xffffffff };
e4842ff3	39
727ce158	40	static struct pci_dev **
e4842ff3 MM	41	select_devices(struct pci_filter *filt)
e4842ff3 MM	42	{
727ce158	43	struct pci_dev z, a, *b;
e4842ff3 MM	44	int cnt = 1;
e4842ff3 MM	45
727ce158 MM	46	for(z=pacc->devices; z; z=z->next)
727ce158 MM	47	if (pci_filter_match(filt, z))
e4842ff3 MM	48	cnt++;
e4842ff3 MM	49	a = b = xmalloc(sizeof(struct device ) cnt);
727ce158 MM	50	for(z=pacc->devices; z; z=z->next)
727ce158 MM	51	if (pci_filter_match(filt, z))
e4842ff3 MM	52	*a++ = z;
	53	*a = NULL;
	54	return b;
	55	}
	56
	57	static void
727ce158	58	exec_op(struct op op, struct pci_dev dev)
e4842ff3	59	{
b7351143 MM	60	char *formats[] = { NULL, "%02x", "%04x", NULL, "%08x" };
	61	char *mask_formats[] = { NULL, "%02x->(%02x:%02x)->%02x", "%04x->(%04x:%04x)->%04x", NULL, "%08x->(%08x:%08x)->%08x" };
	62	unsigned int x, y;
33bc28a5	63	int i, addr;
b7351143	64	int width = op->width;
e4842ff3 MM	65
e4842ff3 MM	66	if (verbose)
727ce158	67	printf("%02x:%02x.%x:%02x", dev->bus, dev->dev, dev->func, op->addr);
33bc28a5	68	addr = op->addr;
b2c9b373	69	if (op->num_values >= 0)
b7351143 MM	70	{
	71	for(i=0; i<op->num_values; i++)
	72	{
	73	if ((op->values[i].mask & max_values[width]) == max_values[width])
	74	{
	75	x = op->values[i].value;
	76	if (verbose)
	77	{
	78	putchar(' ');
	79	printf(formats[width], op->values[i].value);
	80	}
	81	}
	82	else
	83	{
	84	switch (width)
	85	{
	86	case 1:
	87	y = pci_read_byte(dev, addr);
	88	break;
	89	case 2:
	90	y = pci_read_word(dev, addr);
	91	break;
	92	default:
	93	y = pci_read_long(dev, addr);
	94	break;
	95	}
	96	x = (y & ~op->values[i].mask) \| op->values[i].value;
	97	if (verbose)
	98	{
	99	putchar(' ');
	100	printf(mask_formats[width], y, op->values[i].value, op->values[i].mask, x);
	101	}
	102	}
	103	if (!demo_mode)
	104	{
	105	switch (width)
	106	{
	107	case 1:
	108	pci_write_byte(dev, addr, x);
	109	break;
	110	case 2:
	111	pci_write_word(dev, addr, x);
	112	break;
	113	default:
	114	pci_write_long(dev, addr, x);
	115	break;
	116	}
	117	}
	118	addr += width;
	119	}
	120	if (verbose)
	121	putchar('\n');
	122	}
e4842ff3 MM	123	else
	124	{
	125	if (verbose)
b2c9b373	126	printf(" = ");
b251f40b	127	switch (width)
b2c9b373	128	{
b251f40b MM	129	case 1:
	130	x = pci_read_byte(dev, addr);
	131	break;
	132	case 2:
	133	x = pci_read_word(dev, addr);
	134	break;
	135	default:
	136	x = pci_read_long(dev, addr);
	137	break;
b2c9b373	138	}
b251f40b	139	printf(formats[width], x);
b7351143	140	putchar('\n');
e4842ff3 MM	141	}
	142	}
	143
	144	static void
	145	execute(struct op *op)
	146	{
727ce158 MM	147	struct pci_dev **vec = NULL;
727ce158 MM	148	struct pci_dev *pdev, dev;
e4842ff3 MM	149	struct op *oops;
	150
	151	while (op)
	152	{
	153	pdev = vec = op->dev_vector;
	154	while (dev = *pdev++)
	155	for(oops=op; oops && oops->dev_vector == vec; oops=oops->next)
	156	exec_op(oops, dev);
	157	while (op && op->dev_vector == vec)
	158	op = op->next;
	159	}
	160	}
	161
b2c9b373 MM	162	static void
	163	scan_ops(struct op *op)
	164	{
b2c9b373 MM	165	while (op)
	166	{
	167	if (op->num_values >= 0)
727ce158	168	pacc->writeable = 1;
b2c9b373 MM	169	op = op->next;
	170	}
	171	}
	172
	173	struct reg_name {
3fe8a38d MM	174	unsigned int offset;
3fe8a38d MM	175	unsigned int width;
b7351143	176	const char *name;
b2c9b373 MM	177	};
b2c9b373 MM	178
b7351143	179	static const struct reg_name pci_reg_names[] = {
b2c9b373 MM	180	{ 0x00, 2, "VENDOR_ID", },
	181	{ 0x02, 2, "DEVICE_ID", },
	182	{ 0x04, 2, "COMMAND", },
	183	{ 0x06, 2, "STATUS", },
	184	{ 0x08, 1, "REVISION", },
	185	{ 0x09, 1, "CLASS_PROG", },
	186	{ 0x0a, 2, "CLASS_DEVICE", },
	187	{ 0x0c, 1, "CACHE_LINE_SIZE", },
	188	{ 0x0d, 1, "LATENCY_TIMER", },
	189	{ 0x0e, 1, "HEADER_TYPE", },
	190	{ 0x0f, 1, "BIST", },
	191	{ 0x10, 4, "BASE_ADDRESS_0", },
	192	{ 0x14, 4, "BASE_ADDRESS_1", },
	193	{ 0x18, 4, "BASE_ADDRESS_2", },
	194	{ 0x1c, 4, "BASE_ADDRESS_3", },
	195	{ 0x20, 4, "BASE_ADDRESS_4", },
	196	{ 0x24, 4, "BASE_ADDRESS_5", },
	197	{ 0x28, 4, "CARDBUS_CIS", },
	198	{ 0x2c, 4, "SUBSYSTEM_VENDOR_ID", },
	199	{ 0x2e, 2, "SUBSYSTEM_ID", },
	200	{ 0x30, 4, "ROM_ADDRESS", },
	201	{ 0x3c, 1, "INTERRUPT_LINE", },
	202	{ 0x3d, 1, "INTERRUPT_PIN", },
	203	{ 0x3e, 1, "MIN_GNT", },
	204	{ 0x3f, 1, "MAX_LAT", },
	205	{ 0x18, 1, "PRIMARY_BUS", },
	206	{ 0x19, 1, "SECONDARY_BUS", },
	207	{ 0x1a, 1, "SUBORDINATE_BUS", },
	208	{ 0x1b, 1, "SEC_LATENCY_TIMER", },
	209	{ 0x1c, 1, "IO_BASE", },
	210	{ 0x1d, 1, "IO_LIMIT", },
	211	{ 0x1e, 2, "SEC_STATUS", },
	212	{ 0x20, 2, "MEMORY_BASE", },
	213	{ 0x22, 2, "MEMORY_LIMIT", },
	214	{ 0x24, 2, "PREF_MEMORY_BASE", },
	215	{ 0x26, 2, "PREF_MEMORY_LIMIT", },
	216	{ 0x28, 4, "PREF_BASE_UPPER32", },
	217	{ 0x2c, 4, "PREF_LIMIT_UPPER32", },
	218	{ 0x30, 2, "IO_BASE_UPPER16", },
	219	{ 0x32, 2, "IO_LIMIT_UPPER16", },
	220	{ 0x38, 4, "BRIDGE_ROM_ADDRESS", },
	221	{ 0x3e, 2, "BRIDGE_CONTROL", },
	222	{ 0x10, 4, "CB_CARDBUS_BASE", },
	223	{ 0x14, 2, "CB_CAPABILITIES", },
	224	{ 0x16, 2, "CB_SEC_STATUS", },
	225	{ 0x18, 1, "CB_BUS_NUMBER", },
	226	{ 0x19, 1, "CB_CARDBUS_NUMBER", },
	227	{ 0x1a, 1, "CB_SUBORDINATE_BUS", },
	228	{ 0x1b, 1, "CB_CARDBUS_LATENCY", },
	229	{ 0x1c, 4, "CB_MEMORY_BASE_0", },
	230	{ 0x20, 4, "CB_MEMORY_LIMIT_0", },
	231	{ 0x24, 4, "CB_MEMORY_BASE_1", },
	232	{ 0x28, 4, "CB_MEMORY_LIMIT_1", },
	233	{ 0x2c, 2, "CB_IO_BASE_0", },
	234	{ 0x2e, 2, "CB_IO_BASE_0_HI", },
	235	{ 0x30, 2, "CB_IO_LIMIT_0", },
	236	{ 0x32, 2, "CB_IO_LIMIT_0_HI", },
	237	{ 0x34, 2, "CB_IO_BASE_1", },
	238	{ 0x36, 2, "CB_IO_BASE_1_HI", },
	239	{ 0x38, 2, "CB_IO_LIMIT_1", },
	240	{ 0x3a, 2, "CB_IO_LIMIT_1_HI", },
	241	{ 0x40, 2, "CB_SUBSYSTEM_VENDOR_ID", },
	242	{ 0x42, 2, "CB_SUBSYSTEM_ID", },
	243	{ 0x44, 4, "CB_LEGACY_MODE_BASE", },
244	{ 0x00, 0, NULL }
245	};
246
91e37a49	247	static void NONRET
3fe8a38d	248	usage(char *msg, ...)
e4842ff3	249	{
3fe8a38d MM	250	va_list args;
	251	va_start(args, msg);
	252	if (msg)
	253	{
	254	fprintf(stderr, "setpci: ");
	255	vfprintf(stderr, msg, args);
	256	fprintf(stderr, "\n\n");
	257	}
e4842ff3	258	fprintf(stderr,
727ce158	259	"Usage: setpci [<options>] (<device>+ <reg>[=<values>])\n\
b2c9b373 MM	260	-f\t\tDon't complain if there's nothing to do\n\
b2c9b373 MM	261	-v\t\tBe verbose\n\
727ce158 MM	262	-D\t\tList changes, don't commit them\n"
727ce158 MM	263	GENERIC_HELP
b7351143 MM	264	"<device>:\t-s [[<bus>]:][<slot>][.[<func>]]\n"
	265	"\t\|\t-d [<vendor>]:[<device>]\n"
	266	"<reg>:\t\t<number>[.(B\|W\|L)]\n"
	267	" \|\t\t<name>\n"
	268	"<values>:\t<value>[,<value>...]\n"
	269	"<value>:\t<hex>\n"
	270	" \|\t<hex>:<mask>\n");
e4842ff3 MM	271	exit(1);
	272	}
	273
	274	int
	275	main(int argc, char **argv)
	276	{
	277	enum { STATE_INIT, STATE_GOT_FILTER, STATE_GOT_OP } state = STATE_INIT;
	278	struct pci_filter filter;
727ce158 MM	279	struct pci_dev **selected_devices = NULL;
727ce158 MM	280	char *opts = GENERIC_OPTIONS ;
e4842ff3	281
7aad822b MM	282	if (argc == 2 && !strcmp(argv[1], "--version"))
	283	{
	284	puts("setpci version " PCIUTILS_VERSION);
	285	return 0;
	286	}
e4842ff3 MM	287	argc--;
e4842ff3 MM	288	argv++;
727ce158 MM	289
	290	pacc = pci_alloc();
	291	pacc->error = die;
	292
e4842ff3 MM	293	while (argc && argv[0][0] == '-')
	294	{
	295	char *c = argv[0]+1;
	296	char *d = c;
727ce158	297	char *e;
e4842ff3 MM	298	while (*c)
	299	switch (*c)
	300	{
	301	case 'v':
	302	verbose++;
	303	c++;
	304	break;
	305	case 'f':
	306	force++;
	307	c++;
	308	break;
b2c9b373 MM	309	case 'D':
	310	demo_mode++;
	311	c++;
	312	break;
e4842ff3 MM	313	case 0:
	314	break;
	315	default:
727ce158 MM	316	if (e = strchr(opts, *c))
	317	{
	318	char *arg;
	319	c++;
	320	if (e[1] == ':')
	321	{
	322	if (*c)
	323	arg = c;
	324	else if (argc > 1)
	325	{
	326	arg = argv[1];
	327	argc--; argv++;
	328	}
	329	else
3fe8a38d	330	usage(NULL);
727ce158 MM	331	c = "";
	332	}
	333	else
	334	arg = NULL;
	335	if (!parse_generic_option(*e, pacc, arg))
3fe8a38d	336	usage(NULL);
727ce158 MM	337	}
	338	else
	339	{
	340	if (c != d)
3fe8a38d	341	usage(NULL);
727ce158 MM	342	goto next;
727ce158 MM	343	}
e4842ff3 MM	344	}
	345	argc--;
	346	argv++;
	347	}
	348	next:
	349
727ce158 MM	350	pci_init(pacc);
727ce158 MM	351	pci_scan_bus(pacc);
e4842ff3 MM	352
	353	while (argc)
	354	{
	355	char *c = argv[0];
	356	char d, e, *f;
	357	int n, i;
	358	struct op *op;
b7351143 MM	359	unsigned long ll;
b7351143 MM	360	unsigned int lim;
e4842ff3 MM	361
	362	if (*c == '-')
	363	{
	364	if (!c[1] \|\| !strchr("sd", c[1]))
3fe8a38d	365	usage(NULL);
e4842ff3 MM	366	if (c[2])
e4842ff3 MM	367	d = (c[2] == '=') ? c+3 : c+2;
183251d7	368	else if (argc > 1)
e4842ff3 MM	369	{
	370	argc--;
	371	argv++;
	372	d = argv[0];
	373	}
	374	else
3fe8a38d	375	usage(NULL);
e4842ff3 MM	376	if (state != STATE_GOT_FILTER)
e4842ff3 MM	377	{
727ce158	378	pci_filter_init(pacc, &filter);
e4842ff3 MM	379	state = STATE_GOT_FILTER;
	380	}
	381	switch (c[1])
	382	{
	383	case 's':
727ce158 MM	384	if (d = pci_filter_parse_slot(&filter, d))
727ce158 MM	385	die("-s: %s", d);
e4842ff3 MM	386	break;
e4842ff3 MM	387	case 'd':
727ce158 MM	388	if (d = pci_filter_parse_id(&filter, d))
727ce158 MM	389	die("-d: %s", d);
e4842ff3 MM	390	break;
e4842ff3 MM	391	default:
3fe8a38d	392	usage(NULL);
e4842ff3 MM	393	}
	394	}
	395	else if (state == STATE_INIT)
3fe8a38d	396	usage(NULL);
e4842ff3 MM	397	else
	398	{
	399	if (state == STATE_GOT_FILTER)
	400	selected_devices = select_devices(&filter);
	401	if (!selected_devices[0] && !force)
	402	fprintf(stderr, "setpci: Warning: No devices selected for `%s'.\n", c);
	403	state = STATE_GOT_OP;
b7351143	404	/* look for setting of values and count how many */
e4842ff3 MM	405	d = strchr(c, '=');
	406	if (d)
	407	{
	408	*d++ = 0;
b2c9b373	409	if (!*d)
3fe8a38d	410	usage("Missing value");
e4842ff3 MM	411	for(e=d, n=1; *e; e++)
	412	if (*e == ',')
	413	n++;
b7351143	414	op = xmalloc(sizeof(struct op) + n*sizeof(struct value));
e4842ff3 MM	415	}
	416	else
	417	{
	418	n = -1;
	419	op = xmalloc(sizeof(struct op));
	420	}
	421	op->dev_vector = selected_devices;
	422	op->num_values = n;
	423	e = strchr(c, '.');
	424	if (e)
	425	{
	426	*e++ = 0;
	427	if (e[1])
3fe8a38d	428	usage("Missing width");
e4842ff3 MM	429	switch (*e & 0xdf)
	430	{
	431	case 'B':
	432	op->width = 1; break;
	433	case 'W':
	434	op->width = 2; break;
	435	case 'L':
	436	op->width = 4; break;
	437	default:
3fe8a38d	438	usage("Invalid width \"%s\"", *e);
e4842ff3 MM	439	}
	440	}
	441	else
	442	op->width = 1;
	443	ll = strtol(c, &f, 16);
b2c9b373 MM	444	if (f && *f)
b2c9b373 MM	445	{
b7351143	446	const struct reg_name *r;
b2c9b373 MM	447	for(r = pci_reg_names; r->name; r++)
	448	if (!strcasecmp(r->name, c))
	449	break;
3fe8a38d MM	450	if (!r->name)
	451	usage("Unknown register \"%s\"", c);
	452	if (e && op->width != r->width)
	453	usage("Explicit width doesn't correspond with the named register \"%s\"", c);
b2c9b373 MM	454	ll = r->offset;
	455	op->width = r->width;
	456	}
	457	if (ll > 0x100 \|\| ll + op->width*((n < 0) ? 1 : n) > 0x100)
727ce158	458	die("Register number out of range!");
b2c9b373	459	if (ll & (op->width - 1))
727ce158	460	die("Unaligned register address!");
b2c9b373	461	op->addr = ll;
b7351143	462	/* read in all the values to be set */
e4842ff3 MM	463	for(i=0; i<n; i++)
	464	{
	465	e = strchr(d, ',');
	466	if (e)
	467	*e++ = 0;
	468	ll = strtoul(d, &f, 16);
b7351143	469	lim = max_values[op->width];
3fe8a38d MM	470	if (f && f && f != ':')
	471	usage("Invalid value \"%s\"", d);
	472	if (ll > lim && ll < ~0UL - lim)
	473	usage("Value \"%s\" is out of range", d);
	474	op->values[i].value = ll;
b7351143 MM	475	if (f && *f == ':')
b7351143 MM	476	{
b7351143 MM	477	d = ++f;
b7351143 MM	478	ll = strtoul(d, &f, 16);
3fe8a38d MM	479	if (f && *f)
	480	usage("Invalid mask \"%s\"", d);
	481	if (ll > lim && ll < ~0UL - lim)
	482	usage("Mask \"%s\" is out of range", d);
b7351143	483	op->values[i].mask = ll;
3fe8a38d	484	op->values[i].value &= ll;
b7351143 MM	485	}
b7351143 MM	486	else
3fe8a38d	487	op->values[i].mask = ~0U;
e4842ff3 MM	488	d = e;
	489	}
	490	*last_op = op;
	491	last_op = &op->next;
	492	op->next = NULL;
	493	}
	494	argc--;
	495	argv++;
	496	}
	497	if (state == STATE_INIT)
3fe8a38d	498	usage("No operation specified");
e4842ff3	499
b2c9b373	500	scan_ops(first_op);
e4842ff3 MM	501	execute(first_op);
	502
	503	return 0;
	504	}