/*
- * $Id: names.c,v 1.2 1999/06/21 20:17:19 mj Exp $
- *
* The PCI Library -- ID to Name Translation
*
- * Copyright (c) 1997--1999 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ * Copyright (c) 1997--2002 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
struct nl_entry {
struct nl_entry *next;
- word id1, id2;
+ word id1, id2, id3, id4;
int cat;
byte *name;
};
#define NL_VENDOR 0
#define NL_DEVICE 1
-#define NL_CLASS 2
-#define NL_SUBCLASS 3
-#define NL_SUBSYSTEM_VENDOR 4
-#define NL_SUBSYSTEM_DEVICE 5
+#define NL_SUBSYSTEM 2
+#define NL_CLASS 3
+#define NL_SUBCLASS 4
+#define NL_PROGIF 5
#define HASH_SIZE 1024
-static inline unsigned int nl_calc_hash(int cat, int id1, int id2)
+static inline unsigned int nl_calc_hash(int cat, int id1, int id2, int id3, int id4)
{
unsigned int h;
- h = id1 ^ id2 ^ (cat << 5);
+ h = id1 ^ id2 ^ id3 ^ id4 ^ (cat << 5);
h += (h >> 6);
return h & (HASH_SIZE-1);
}
-static struct nl_entry *nl_lookup(struct pci_access *a, int num, int cat, int id1, int id2)
+static struct nl_entry *nl_lookup(struct pci_access *a, int num, int cat, int id1, int id2, int id3, int id4)
{
unsigned int h;
struct nl_entry *n;
if (num)
return NULL;
- h = nl_calc_hash(cat, id1, id2);
+ h = nl_calc_hash(cat, id1, id2, id3, id4);
n = a->nl_hash[h];
- while (n && (n->id1 != id1 || n->id2 != id2 || n->cat != cat))
+ while (n && (n->id1 != id1 || n->id2 != id2 || n->id3 != id3 || n->id4 != id4 || n->cat != cat))
n = n->next;
return n;
}
-static int nl_add(struct pci_access *a, int cat, int id1, int id2, byte *text)
+static int nl_add(struct pci_access *a, int cat, int id1, int id2, int id3, int id4, byte *text)
{
- unsigned int h = nl_calc_hash(cat, id1, id2);
+ unsigned int h = nl_calc_hash(cat, id1, id2, id3, id4);
struct nl_entry *n = a->nl_hash[h];
- while (n && (n->id1 != id1 || n->id2 != id2 || n->cat != cat))
+ while (n && (n->id1 != id1 || n->id2 != id2 || n->id3 != id3 || n->id4 != id4 || n->cat != cat))
n = n->next;
if (n)
return 1;
n = pci_malloc(a, sizeof(struct nl_entry));
n->id1 = id1;
n->id2 = id2;
+ n->id3 = id3;
+ n->id4 = id4;
n->cat = cat;
n->name = text;
n->next = a->nl_hash[h];
byte *p = a->nl_list;
byte *q, *r;
int lino = 0;
- unsigned int id1=0, id2=0;
- int cat, last_cat = -1;
+ unsigned int id1=0, id2=0, id3=0, id4=0;
+ int cat = -1;
while (*p)
{
lino++;
q = p;
while (*p && *p != '\n')
- {
- if (*p == '#')
- {
- *p++ = 0;
- while (*p && *p != '\n')
- p++;
- break;
- }
- if (*p == '\t')
- *p = ' ';
- p++;
- }
+ p++;
if (*p == '\n')
*p++ = 0;
- if (!*q)
+ if (!*q || *q == '#')
continue;
r = p;
while (r > q && r[-1] == ' ')
*--r = 0;
r = q;
- while (*q == ' ')
+ while (*q == '\t')
q++;
- if (r == q)
+ if (q == r)
{
if (q[0] == 'C' && q[1] == ' ')
{
q[4] != ' ' ||
sscanf(q+2, "%x", &id1) != 1)
goto parserr;
- cat = last_cat = NL_CLASS;
- }
- else if (q[0] == 'S' && q[1] == ' ')
- {
- if (strlen(q+2) < 5 ||
- q[6] != ' ' ||
- sscanf(q+2, "%x", &id1) != 1)
- goto parserr;
- cat = last_cat = NL_SUBSYSTEM_VENDOR;
- q += 2;
+ cat = NL_CLASS;
}
else
{
q[4] != ' ' ||
sscanf(q, "%x", &id1) != 1)
goto parserr;
- cat = last_cat = NL_VENDOR;
+ cat = NL_VENDOR;
}
- id2 = 0;
+ id2 = id3 = id4 = 0;
+ q += 4;
}
- else
- {
- if (sscanf(q, "%x", &id2) != 1)
+ else if (q == r+1)
+ switch (cat)
+ {
+ case NL_VENDOR:
+ case NL_DEVICE:
+ case NL_SUBSYSTEM:
+ if (sscanf(q, "%x", &id2) != 1 || q[4] != ' ')
+ goto parserr;
+ q += 5;
+ cat = NL_DEVICE;
+ id3 = id4 = 0;
+ break;
+ case NL_CLASS:
+ case NL_SUBCLASS:
+ case NL_PROGIF:
+ if (sscanf(q, "%x", &id2) != 1 || q[2] != ' ')
+ goto parserr;
+ q += 3;
+ cat = NL_SUBCLASS;
+ id3 = id4 = 0;
+ break;
+ default:
goto parserr;
- if (last_cat < 0)
+ }
+ else if (q == r+2)
+ switch (cat)
+ {
+ case NL_DEVICE:
+ case NL_SUBSYSTEM:
+ if (sscanf(q, "%x%x", &id3, &id4) != 2 || q[9] != ' ')
+ goto parserr;
+ q += 10;
+ cat = NL_SUBSYSTEM;
+ break;
+ case NL_CLASS:
+ case NL_SUBCLASS:
+ case NL_PROGIF:
+ if (sscanf(q, "%x", &id3) != 1 || q[2] != ' ')
+ goto parserr;
+ q += 3;
+ cat = NL_PROGIF;
+ id4 = 0;
+ break;
+ default:
goto parserr;
- if (last_cat == NL_CLASS)
- cat = NL_SUBCLASS;
- else
- cat = last_cat+1;
- }
- q += 4;
+ }
+ else
+ goto parserr;
while (*q == ' ')
q++;
if (!*q)
goto parserr;
- if (nl_add(a, cat, id1, id2, q))
+ if (nl_add(a, cat, id1, id2, id3, id4, q))
a->error("%s, line %d: duplicate entry", a->id_file_name, lino);
}
return;
a->nl_hash = NULL;
}
-static int
-compound_name(struct pci_access *a, int num, char *buf, int size, int cat, int v, int i)
-{
- if (!num)
- {
- struct nl_entry *e, *e2;
-
- e = nl_lookup(a, 0, cat, v, 0);
- e2 = nl_lookup(a, 0, cat+1, v, i);
- if (!e)
- return snprintf(buf, size, "Unknown device %04x:%04x", v, i);
- else if (!e2)
- return snprintf(buf, size, "%s: Unknown device %04x", e->name, i);
- else
- return snprintf(buf, size, "%s %s", e->name, e2->name);
- }
- else
- return snprintf(buf, size, "%04x:%04x", v, i);
-}
-
char *
-pci_lookup_name(struct pci_access *a, char *buf, int size, int flags, u32 arg1, u32 arg2)
+pci_lookup_name(struct pci_access *a, char *buf, int size, int flags, u32 arg1, u32 arg2, u32 arg3, u32 arg4)
{
int num = a->numeric_ids;
int res;
switch (flags)
{
case PCI_LOOKUP_VENDOR:
- if (n = nl_lookup(a, num, NL_VENDOR, arg1, 0))
+ if (n = nl_lookup(a, num, NL_VENDOR, arg1, 0, 0, 0))
return n->name;
else
res = snprintf(buf, size, "%04x", arg1);
break;
case PCI_LOOKUP_DEVICE:
- if (n = nl_lookup(a, num, NL_DEVICE, arg1, arg2))
+ if (n = nl_lookup(a, num, NL_DEVICE, arg1, arg2, 0, 0))
return n->name;
else
res = snprintf(buf, size, "%04x", arg2);
break;
case PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE:
- res = compound_name(a, num, buf, size, NL_VENDOR, arg1, arg2);
+ if (!num)
+ {
+ struct nl_entry *e, *e2;
+ e = nl_lookup(a, 0, NL_VENDOR, arg1, 0, 0, 0);
+ e2 = nl_lookup(a, 0, NL_DEVICE, arg1, arg2, 0, 0);
+ if (!e)
+ res = snprintf(buf, size, "Unknown device %04x:%04x", arg1, arg2);
+ else if (!e2)
+ res = snprintf(buf, size, "%s: Unknown device %04x", e->name, arg2);
+ else
+ res = snprintf(buf, size, "%s %s", e->name, e2->name);
+ }
+ else
+ res = snprintf(buf, size, "%04x:%04x", arg1, arg2);
break;
case PCI_LOOKUP_VENDOR | PCI_LOOKUP_SUBSYSTEM:
- if (n = nl_lookup(a, num, NL_SUBSYSTEM_VENDOR, arg1, 0))
+ if (n = nl_lookup(a, num, NL_VENDOR, arg3, 0, 0, 0))
return n->name;
else
- res = snprintf(buf, size, "%04x", arg1);
+ res = snprintf(buf, size, "%04x", arg3);
break;
case PCI_LOOKUP_DEVICE | PCI_LOOKUP_SUBSYSTEM:
- if (n = nl_lookup(a, num, NL_SUBSYSTEM_DEVICE, arg1, arg2))
+ if (n = nl_lookup(a, num, NL_SUBSYSTEM, arg1, arg2, arg3, arg4))
+ return n->name;
+ else if (arg1 == arg3 && arg2 == arg4 && (n = nl_lookup(a, num, NL_DEVICE, arg1, arg2, 0, 0)))
return n->name;
else
- res = snprintf(buf, size, "%04x", arg2);
+ res = snprintf(buf, size, "%04x", arg4);
break;
case PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE | PCI_LOOKUP_SUBSYSTEM:
- res = compound_name(a, num, buf, size, NL_SUBSYSTEM_VENDOR, arg1, arg2);
+ if (!num)
+ {
+ struct nl_entry *e, *e2;
+ e = nl_lookup(a, 0, NL_VENDOR, arg3, 0, 0, 0);
+ e2 = nl_lookup(a, 0, NL_SUBSYSTEM, arg1, arg2, arg3, arg4);
+ if (!e2 && arg1 == arg3 && arg2 == arg4)
+ /* Cheat for vendors blindly setting subsystem ID same as device ID */
+ e2 = nl_lookup(a, 0, NL_DEVICE, arg1, arg2, 0, 0);
+ if (!e)
+ res = snprintf(buf, size, "Unknown device %04x:%04x", arg3, arg4);
+ else if (!e2)
+ res = snprintf(buf, size, "%s: Unknown device %04x", e->name, arg4);
+ else
+ res = snprintf(buf, size, "%s %s", e->name, e2->name);
+ }
+ else
+ res = snprintf(buf, size, "%04x:%04x", arg3, arg4);
break;
case PCI_LOOKUP_CLASS:
- if (n = nl_lookup(a, num, NL_SUBCLASS, arg1 >> 8, arg1 & 0xff))
+ if (n = nl_lookup(a, num, NL_SUBCLASS, arg1 >> 8, arg1 & 0xff, 0, 0))
return n->name;
- else if (n = nl_lookup(a, num, NL_CLASS, arg1, 0))
+ else if (n = nl_lookup(a, num, NL_CLASS, arg1, 0, 0, 0))
res = snprintf(buf, size, "%s [%04x]", n->name, arg1);
else
res = snprintf(buf, size, "Class %04x", arg1);
break;
+ case PCI_LOOKUP_PROGIF:
+ if (n = nl_lookup(a, num, NL_PROGIF, arg1 >> 8, arg1 & 0xff, arg2, 0))
+ return n->name;
+ if (arg1 == 0x0101)
+ {
+ /* IDE controllers have complex prog-if semantics */
+ if (arg2 & 0x70)
+ return NULL;
+ res = snprintf(buf, size, "%s%s%s%s%s",
+ (arg2 & 0x80) ? "Master " : "",
+ (arg2 & 0x08) ? "SecP " : "",
+ (arg2 & 0x04) ? "SecO " : "",
+ (arg2 & 0x02) ? "PriP " : "",
+ (arg2 & 0x01) ? "PriO " : "");
+ if (res)
+ buf[--res] = 0;
+ break;
+ }
+ return NULL;
default:
return "<pci_lookup_name: invalid request>";
}
projects / pciutils.git / blobdiff