/*
- * $Id: setpci.c,v 1.12 2002/03/30 15:39:24 mj Exp $
+ * The PCI Utilities -- Manipulate PCI Configuration Registers
*
- * Linux PCI Utilities -- Manipulate PCI Configuration Registers
- *
- * Copyright (c) 1998 Martin Mares <mj@ucw.cz>
+ * Copyright (c) 1998--2006 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
static int verbose; /* Verbosity level */
static int demo_mode; /* Only show */
+const char program_name[] = "setpci";
+
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 */
- unsigned int values[0];
+ 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)
static void
exec_op(struct op *op, struct pci_dev *dev)
{
- char *mm[] = { NULL, "%02x", "%04x", NULL, "%08x" };
- char *m = mm[op->width];
- unsigned int x;
+ 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 (verbose)
- {
- putchar(' ');
- printf(m, op->values[i]);
- }
- if (demo_mode)
- continue;
- switch (op->width)
- {
- case 1:
- pci_write_byte(dev, addr, op->values[i]);
- break;
- case 2:
- pci_write_word(dev, addr, op->values[i]);
- break;
- default:
- pci_write_long(dev, addr, op->values[i]);
- break;
- }
- addr += op->width;
- }
+ {
+ 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(" = ");
- if (!demo_mode)
+ switch (width)
{
- switch (op->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(m, x);
+ 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;
}
- else
- putchar('?');
+ printf(formats[width], x);
+ putchar('\n');
}
- putchar('\n');
}
static void
}
struct reg_name {
- int offset;
- int width;
- char *name;
+ unsigned int offset;
+ unsigned int width;
+ const char *name;
};
-static struct reg_name pci_reg_names[] = {
+static const struct reg_name pci_reg_names[] = {
{ 0x00, 2, "VENDOR_ID", },
{ 0x02, 2, "DEVICE_ID", },
{ 0x04, 2, "COMMAND", },
{ 0x00, 0, NULL }
};
-static void usage(void) __attribute__((noreturn));
-
-static void
-usage(void)
+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"
+"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\
-");
+"<device>:\t-s [[[<domain>]:][<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);
}
argc--; argv++;
}
else
- usage();
+ usage(NULL);
c = "";
}
else
arg = NULL;
if (!parse_generic_option(*e, pacc, arg))
- usage();
+ usage(NULL);
}
else
{
if (c != d)
- usage();
+ usage(NULL);
goto next;
}
}
char *d, *e, *f;
int n, i;
struct op *op;
- unsigned long ll, lim;
+ unsigned long ll;
+ unsigned int lim;
if (*c == '-')
{
if (!c[1] || !strchr("sd", c[1]))
- usage();
+ usage(NULL);
if (c[2])
d = (c[2] == '=') ? c+3 : c+2;
else if (argc > 1)
d = argv[0];
}
else
- usage();
+ usage(NULL);
if (state != STATE_GOT_FILTER)
{
pci_filter_init(pacc, &filter);
die("-d: %s", d);
break;
default:
- usage();
+ usage(NULL);
}
}
else if (state == STATE_INIT)
- usage();
+ usage(NULL);
else
{
if (state == STATE_GOT_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();
+ usage("Missing value");
for(e=d, n=1; *e; e++)
if (*e == ',')
n++;
- op = xmalloc(sizeof(struct op) + n*sizeof(unsigned int));
+ op = xmalloc(sizeof(struct op) + n*sizeof(struct value));
}
else
{
{
*e++ = 0;
if (e[1])
- usage();
+ usage("Missing width");
switch (*e & 0xdf)
{
case 'B':
case 'L':
op->width = 4; break;
default:
- usage();
+ usage("Invalid width \"%c\"", *e);
}
}
else
ll = strtol(c, &f, 16);
if (f && *f)
{
- struct reg_name *r;
+ const struct reg_name *r;
for(r = pci_reg_names; r->name; r++)
if (!strcasecmp(r->name, c))
break;
- if (!r->name || e)
- usage();
+ 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)
+ if (ll > 0x1000 || ll + op->width*((n < 0) ? 1 : n) > 0x1000)
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 = (2 << ((op->width << 3) - 1)) - 1;
- if (f && *f ||
- (ll > lim && ll < ~0UL - lim))
- usage();
- op->values[i] = ll;
+ 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;
argv++;
}
if (state == STATE_INIT)
- usage();
+ usage("No operation specified");
scan_ops(first_op);
execute(first_op);
projects / pciutils.git / blobdiff