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![Masahiro Yamada](/assets/img/avatar_default.png)
Use specific prototype instead of an opaque pointer so that the compiler can catch function prototype mismatch. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Mathieu Malaterre <malat@debian.org>
1436 lines
41 KiB
C
1436 lines
41 KiB
C
/* Simple code to turn various tables in an ELF file into alias definitions.
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* This deals with kernel datastructures where they should be
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* dealt with: in the kernel source.
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*
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* Copyright 2002-2003 Rusty Russell, IBM Corporation
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* 2003 Kai Germaschewski
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*
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*
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* This software may be used and distributed according to the terms
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* of the GNU General Public License, incorporated herein by reference.
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*/
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#include "modpost.h"
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#include "devicetable-offsets.h"
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/* We use the ELF typedefs for kernel_ulong_t but bite the bullet and
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* use either stdint.h or inttypes.h for the rest. */
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#if KERNEL_ELFCLASS == ELFCLASS32
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typedef Elf32_Addr kernel_ulong_t;
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#define BITS_PER_LONG 32
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#else
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typedef Elf64_Addr kernel_ulong_t;
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#define BITS_PER_LONG 64
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#endif
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#ifdef __sun__
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#include <inttypes.h>
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#else
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#include <stdint.h>
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#endif
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#include <ctype.h>
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#include <stdbool.h>
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typedef uint32_t __u32;
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typedef uint16_t __u16;
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typedef unsigned char __u8;
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typedef struct {
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__u8 b[16];
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} uuid_le;
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/* Big exception to the "don't include kernel headers into userspace, which
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* even potentially has different endianness and word sizes, since
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* we handle those differences explicitly below */
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#include "../../include/linux/mod_devicetable.h"
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/* This array collects all instances that use the generic do_table */
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struct devtable {
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const char *device_id; /* name of table, __mod_<name>__*_device_table. */
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unsigned long id_size;
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int (*do_entry)(const char *filename, void *symval, char *alias);
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};
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/* Define a variable f that holds the value of field f of struct devid
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* based at address m.
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*/
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#define DEF_FIELD(m, devid, f) \
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typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f))
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/* Define a variable v that holds the address of field f of struct devid
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* based at address m. Due to the way typeof works, for a field of type
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* T[N] the variable has type T(*)[N], _not_ T*.
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*/
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#define DEF_FIELD_ADDR_VAR(m, devid, f, v) \
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typeof(((struct devid *)0)->f) *v = ((m) + OFF_##devid##_##f)
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/* Define a variable f that holds the address of field f of struct devid
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* based at address m. Due to the way typeof works, for a field of type
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* T[N] the variable has type T(*)[N], _not_ T*.
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*/
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#define DEF_FIELD_ADDR(m, devid, f) \
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DEF_FIELD_ADDR_VAR(m, devid, f, f)
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#define ADD(str, sep, cond, field) \
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do { \
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strcat(str, sep); \
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if (cond) \
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sprintf(str + strlen(str), \
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sizeof(field) == 1 ? "%02X" : \
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sizeof(field) == 2 ? "%04X" : \
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sizeof(field) == 4 ? "%08X" : "", \
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field); \
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else \
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sprintf(str + strlen(str), "*"); \
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} while(0)
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/* End in a wildcard, for future extension */
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static inline void add_wildcard(char *str)
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{
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int len = strlen(str);
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if (str[len - 1] != '*')
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strcat(str + len, "*");
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}
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static inline void add_uuid(char *str, uuid_le uuid)
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{
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int len = strlen(str);
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sprintf(str + len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
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uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0],
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uuid.b[5], uuid.b[4], uuid.b[7], uuid.b[6],
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uuid.b[8], uuid.b[9], uuid.b[10], uuid.b[11],
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uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]);
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}
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/**
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* Check that sizeof(device_id type) are consistent with size of section
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* in .o file. If in-consistent then userspace and kernel does not agree
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* on actual size which is a bug.
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* Also verify that the final entry in the table is all zeros.
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* Ignore both checks if build host differ from target host and size differs.
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**/
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static void device_id_check(const char *modname, const char *device_id,
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unsigned long size, unsigned long id_size,
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void *symval)
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{
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int i;
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if (size % id_size || size < id_size) {
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fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo "
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"of the size of "
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"section __mod_%s__<identifier>_device_table=%lu.\n"
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"Fix definition of struct %s_device_id "
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"in mod_devicetable.h\n",
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modname, device_id, id_size, device_id, size, device_id);
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}
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/* Verify last one is a terminator */
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for (i = 0; i < id_size; i++ ) {
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if (*(uint8_t*)(symval+size-id_size+i)) {
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fprintf(stderr,"%s: struct %s_device_id is %lu bytes. "
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"The last of %lu is:\n",
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modname, device_id, id_size, size / id_size);
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for (i = 0; i < id_size; i++ )
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fprintf(stderr,"0x%02x ",
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*(uint8_t*)(symval+size-id_size+i) );
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fprintf(stderr,"\n");
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fatal("%s: struct %s_device_id is not terminated "
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"with a NULL entry!\n", modname, device_id);
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}
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}
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}
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/* USB is special because the bcdDevice can be matched against a numeric range */
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/* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */
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static void do_usb_entry(void *symval,
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unsigned int bcdDevice_initial, int bcdDevice_initial_digits,
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unsigned char range_lo, unsigned char range_hi,
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unsigned char max, struct module *mod)
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{
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char alias[500];
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DEF_FIELD(symval, usb_device_id, match_flags);
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DEF_FIELD(symval, usb_device_id, idVendor);
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DEF_FIELD(symval, usb_device_id, idProduct);
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DEF_FIELD(symval, usb_device_id, bcdDevice_lo);
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DEF_FIELD(symval, usb_device_id, bDeviceClass);
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DEF_FIELD(symval, usb_device_id, bDeviceSubClass);
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DEF_FIELD(symval, usb_device_id, bDeviceProtocol);
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DEF_FIELD(symval, usb_device_id, bInterfaceClass);
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DEF_FIELD(symval, usb_device_id, bInterfaceSubClass);
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DEF_FIELD(symval, usb_device_id, bInterfaceProtocol);
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DEF_FIELD(symval, usb_device_id, bInterfaceNumber);
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strcpy(alias, "usb:");
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ADD(alias, "v", match_flags&USB_DEVICE_ID_MATCH_VENDOR,
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idVendor);
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ADD(alias, "p", match_flags&USB_DEVICE_ID_MATCH_PRODUCT,
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idProduct);
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strcat(alias, "d");
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if (bcdDevice_initial_digits)
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sprintf(alias + strlen(alias), "%0*X",
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bcdDevice_initial_digits, bcdDevice_initial);
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if (range_lo == range_hi)
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sprintf(alias + strlen(alias), "%X", range_lo);
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else if (range_lo > 0 || range_hi < max) {
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if (range_lo > 0x9 || range_hi < 0xA)
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sprintf(alias + strlen(alias),
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"[%X-%X]",
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range_lo,
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range_hi);
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else {
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sprintf(alias + strlen(alias),
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range_lo < 0x9 ? "[%X-9" : "[%X",
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range_lo);
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sprintf(alias + strlen(alias),
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range_hi > 0xA ? "A-%X]" : "%X]",
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range_hi);
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}
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}
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if (bcdDevice_initial_digits < (sizeof(bcdDevice_lo) * 2 - 1))
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strcat(alias, "*");
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ADD(alias, "dc", match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS,
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bDeviceClass);
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ADD(alias, "dsc", match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS,
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bDeviceSubClass);
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ADD(alias, "dp", match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL,
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bDeviceProtocol);
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ADD(alias, "ic", match_flags&USB_DEVICE_ID_MATCH_INT_CLASS,
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bInterfaceClass);
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ADD(alias, "isc", match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS,
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bInterfaceSubClass);
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ADD(alias, "ip", match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL,
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bInterfaceProtocol);
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ADD(alias, "in", match_flags&USB_DEVICE_ID_MATCH_INT_NUMBER,
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bInterfaceNumber);
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add_wildcard(alias);
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buf_printf(&mod->dev_table_buf,
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"MODULE_ALIAS(\"%s\");\n", alias);
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}
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/* Handles increment/decrement of BCD formatted integers */
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/* Returns the previous value, so it works like i++ or i-- */
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static unsigned int incbcd(unsigned int *bcd,
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int inc,
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unsigned char max,
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size_t chars)
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{
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unsigned int init = *bcd, i, j;
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unsigned long long c, dec = 0;
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/* If bcd is not in BCD format, just increment */
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if (max > 0x9) {
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*bcd += inc;
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return init;
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}
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/* Convert BCD to Decimal */
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for (i=0 ; i < chars ; i++) {
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c = (*bcd >> (i << 2)) & 0xf;
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c = c > 9 ? 9 : c; /* force to bcd just in case */
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for (j=0 ; j < i ; j++)
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c = c * 10;
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dec += c;
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}
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/* Do our increment/decrement */
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dec += inc;
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*bcd = 0;
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/* Convert back to BCD */
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for (i=0 ; i < chars ; i++) {
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for (c=1,j=0 ; j < i ; j++)
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c = c * 10;
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c = (dec / c) % 10;
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*bcd += c << (i << 2);
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}
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return init;
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}
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static void do_usb_entry_multi(void *symval, struct module *mod)
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{
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unsigned int devlo, devhi;
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unsigned char chi, clo, max;
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int ndigits;
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DEF_FIELD(symval, usb_device_id, match_flags);
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DEF_FIELD(symval, usb_device_id, idVendor);
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DEF_FIELD(symval, usb_device_id, idProduct);
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DEF_FIELD(symval, usb_device_id, bcdDevice_lo);
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DEF_FIELD(symval, usb_device_id, bcdDevice_hi);
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DEF_FIELD(symval, usb_device_id, bDeviceClass);
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DEF_FIELD(symval, usb_device_id, bInterfaceClass);
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devlo = match_flags & USB_DEVICE_ID_MATCH_DEV_LO ?
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bcdDevice_lo : 0x0U;
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devhi = match_flags & USB_DEVICE_ID_MATCH_DEV_HI ?
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bcdDevice_hi : ~0x0U;
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/* Figure out if this entry is in bcd or hex format */
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max = 0x9; /* Default to decimal format */
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for (ndigits = 0 ; ndigits < sizeof(bcdDevice_lo) * 2 ; ndigits++) {
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clo = (devlo >> (ndigits << 2)) & 0xf;
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chi = ((devhi > 0x9999 ? 0x9999 : devhi) >> (ndigits << 2)) & 0xf;
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if (clo > max || chi > max) {
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max = 0xf;
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break;
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}
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}
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/*
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* Some modules (visor) have empty slots as placeholder for
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* run-time specification that results in catch-all alias
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*/
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if (!(idVendor | idProduct | bDeviceClass | bInterfaceClass))
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return;
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/* Convert numeric bcdDevice range into fnmatch-able pattern(s) */
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for (ndigits = sizeof(bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) {
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clo = devlo & 0xf;
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chi = devhi & 0xf;
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if (chi > max) /* If we are in bcd mode, truncate if necessary */
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chi = max;
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devlo >>= 4;
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devhi >>= 4;
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if (devlo == devhi || !ndigits) {
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do_usb_entry(symval, devlo, ndigits, clo, chi, max, mod);
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break;
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}
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if (clo > 0x0)
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do_usb_entry(symval,
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incbcd(&devlo, 1, max,
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sizeof(bcdDevice_lo) * 2),
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ndigits, clo, max, max, mod);
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if (chi < max)
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do_usb_entry(symval,
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incbcd(&devhi, -1, max,
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sizeof(bcdDevice_lo) * 2),
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ndigits, 0x0, chi, max, mod);
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}
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}
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static void do_usb_table(void *symval, unsigned long size,
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struct module *mod)
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{
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unsigned int i;
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const unsigned long id_size = SIZE_usb_device_id;
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device_id_check(mod->name, "usb", size, id_size, symval);
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/* Leave last one: it's the terminator. */
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size -= id_size;
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for (i = 0; i < size; i += id_size)
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do_usb_entry_multi(symval + i, mod);
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}
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static void do_of_entry_multi(void *symval, struct module *mod)
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{
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char alias[500];
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int len;
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char *tmp;
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DEF_FIELD_ADDR(symval, of_device_id, name);
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DEF_FIELD_ADDR(symval, of_device_id, type);
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DEF_FIELD_ADDR(symval, of_device_id, compatible);
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len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*",
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(*type)[0] ? *type : "*");
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if ((*compatible)[0])
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sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "",
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*compatible);
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/* Replace all whitespace with underscores */
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for (tmp = alias; tmp && *tmp; tmp++)
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if (isspace(*tmp))
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*tmp = '_';
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buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias);
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strcat(alias, "C");
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add_wildcard(alias);
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buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias);
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}
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static void do_of_table(void *symval, unsigned long size,
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struct module *mod)
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{
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unsigned int i;
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const unsigned long id_size = SIZE_of_device_id;
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device_id_check(mod->name, "of", size, id_size, symval);
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/* Leave last one: it's the terminator. */
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size -= id_size;
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for (i = 0; i < size; i += id_size)
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do_of_entry_multi(symval + i, mod);
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}
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/* Looks like: hid:bNvNpN */
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static int do_hid_entry(const char *filename,
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void *symval, char *alias)
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{
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DEF_FIELD(symval, hid_device_id, bus);
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DEF_FIELD(symval, hid_device_id, group);
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DEF_FIELD(symval, hid_device_id, vendor);
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DEF_FIELD(symval, hid_device_id, product);
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sprintf(alias, "hid:");
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ADD(alias, "b", bus != HID_BUS_ANY, bus);
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ADD(alias, "g", group != HID_GROUP_ANY, group);
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ADD(alias, "v", vendor != HID_ANY_ID, vendor);
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ADD(alias, "p", product != HID_ANY_ID, product);
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return 1;
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}
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|
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/* Looks like: ieee1394:venNmoNspNverN */
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static int do_ieee1394_entry(const char *filename,
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void *symval, char *alias)
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{
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DEF_FIELD(symval, ieee1394_device_id, match_flags);
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DEF_FIELD(symval, ieee1394_device_id, vendor_id);
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DEF_FIELD(symval, ieee1394_device_id, model_id);
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DEF_FIELD(symval, ieee1394_device_id, specifier_id);
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DEF_FIELD(symval, ieee1394_device_id, version);
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strcpy(alias, "ieee1394:");
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ADD(alias, "ven", match_flags & IEEE1394_MATCH_VENDOR_ID,
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vendor_id);
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ADD(alias, "mo", match_flags & IEEE1394_MATCH_MODEL_ID,
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model_id);
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ADD(alias, "sp", match_flags & IEEE1394_MATCH_SPECIFIER_ID,
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specifier_id);
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ADD(alias, "ver", match_flags & IEEE1394_MATCH_VERSION,
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version);
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|
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add_wildcard(alias);
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return 1;
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}
|
|
|
|
/* Looks like: pci:vNdNsvNsdNbcNscNiN. */
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|
static int do_pci_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
/* Class field can be divided into these three. */
|
|
unsigned char baseclass, subclass, interface,
|
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baseclass_mask, subclass_mask, interface_mask;
|
|
|
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DEF_FIELD(symval, pci_device_id, vendor);
|
|
DEF_FIELD(symval, pci_device_id, device);
|
|
DEF_FIELD(symval, pci_device_id, subvendor);
|
|
DEF_FIELD(symval, pci_device_id, subdevice);
|
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DEF_FIELD(symval, pci_device_id, class);
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DEF_FIELD(symval, pci_device_id, class_mask);
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|
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strcpy(alias, "pci:");
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ADD(alias, "v", vendor != PCI_ANY_ID, vendor);
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ADD(alias, "d", device != PCI_ANY_ID, device);
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ADD(alias, "sv", subvendor != PCI_ANY_ID, subvendor);
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ADD(alias, "sd", subdevice != PCI_ANY_ID, subdevice);
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|
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baseclass = (class) >> 16;
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baseclass_mask = (class_mask) >> 16;
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subclass = (class) >> 8;
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subclass_mask = (class_mask) >> 8;
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interface = class;
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interface_mask = class_mask;
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|
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if ((baseclass_mask != 0 && baseclass_mask != 0xFF)
|
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|| (subclass_mask != 0 && subclass_mask != 0xFF)
|
|
|| (interface_mask != 0 && interface_mask != 0xFF)) {
|
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warn("Can't handle masks in %s:%04X\n",
|
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filename, class_mask);
|
|
return 0;
|
|
}
|
|
|
|
ADD(alias, "bc", baseclass_mask == 0xFF, baseclass);
|
|
ADD(alias, "sc", subclass_mask == 0xFF, subclass);
|
|
ADD(alias, "i", interface_mask == 0xFF, interface);
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* looks like: "ccw:tNmNdtNdmN" */
|
|
static int do_ccw_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, ccw_device_id, match_flags);
|
|
DEF_FIELD(symval, ccw_device_id, cu_type);
|
|
DEF_FIELD(symval, ccw_device_id, cu_model);
|
|
DEF_FIELD(symval, ccw_device_id, dev_type);
|
|
DEF_FIELD(symval, ccw_device_id, dev_model);
|
|
|
|
strcpy(alias, "ccw:");
|
|
ADD(alias, "t", match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE,
|
|
cu_type);
|
|
ADD(alias, "m", match_flags&CCW_DEVICE_ID_MATCH_CU_MODEL,
|
|
cu_model);
|
|
ADD(alias, "dt", match_flags&CCW_DEVICE_ID_MATCH_DEVICE_TYPE,
|
|
dev_type);
|
|
ADD(alias, "dm", match_flags&CCW_DEVICE_ID_MATCH_DEVICE_MODEL,
|
|
dev_model);
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* looks like: "ap:tN" */
|
|
static int do_ap_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, ap_device_id, dev_type);
|
|
|
|
sprintf(alias, "ap:t%02X*", dev_type);
|
|
return 1;
|
|
}
|
|
|
|
/* looks like: "css:tN" */
|
|
static int do_css_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, css_device_id, type);
|
|
|
|
sprintf(alias, "css:t%01X", type);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: "serio:tyNprNidNexN" */
|
|
static int do_serio_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, serio_device_id, type);
|
|
DEF_FIELD(symval, serio_device_id, proto);
|
|
DEF_FIELD(symval, serio_device_id, id);
|
|
DEF_FIELD(symval, serio_device_id, extra);
|
|
|
|
strcpy(alias, "serio:");
|
|
ADD(alias, "ty", type != SERIO_ANY, type);
|
|
ADD(alias, "pr", proto != SERIO_ANY, proto);
|
|
ADD(alias, "id", id != SERIO_ANY, id);
|
|
ADD(alias, "ex", extra != SERIO_ANY, extra);
|
|
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* looks like: "acpi:ACPI0003" or "acpi:PNP0C0B" or "acpi:LNXVIDEO" or
|
|
* "acpi:bbsspp" (bb=base-class, ss=sub-class, pp=prog-if)
|
|
*
|
|
* NOTE: Each driver should use one of the following : _HID, _CIDs
|
|
* or _CLS. Also, bb, ss, and pp can be substituted with ??
|
|
* as don't care byte.
|
|
*/
|
|
static int do_acpi_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD_ADDR(symval, acpi_device_id, id);
|
|
DEF_FIELD_ADDR(symval, acpi_device_id, cls);
|
|
DEF_FIELD_ADDR(symval, acpi_device_id, cls_msk);
|
|
|
|
if (id && strlen((const char *)*id))
|
|
sprintf(alias, "acpi*:%s:*", *id);
|
|
else if (cls) {
|
|
int i, byte_shift, cnt = 0;
|
|
unsigned int msk;
|
|
|
|
sprintf(&alias[cnt], "acpi*:");
|
|
cnt = 6;
|
|
for (i = 1; i <= 3; i++) {
|
|
byte_shift = 8 * (3-i);
|
|
msk = (*cls_msk >> byte_shift) & 0xFF;
|
|
if (msk)
|
|
sprintf(&alias[cnt], "%02x",
|
|
(*cls >> byte_shift) & 0xFF);
|
|
else
|
|
sprintf(&alias[cnt], "??");
|
|
cnt += 2;
|
|
}
|
|
sprintf(&alias[cnt], ":*");
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* looks like: "pnp:dD" */
|
|
static void do_pnp_device_entry(void *symval, unsigned long size,
|
|
struct module *mod)
|
|
{
|
|
const unsigned long id_size = SIZE_pnp_device_id;
|
|
const unsigned int count = (size / id_size)-1;
|
|
unsigned int i;
|
|
|
|
device_id_check(mod->name, "pnp", size, id_size, symval);
|
|
|
|
for (i = 0; i < count; i++) {
|
|
DEF_FIELD_ADDR(symval + i*id_size, pnp_device_id, id);
|
|
char acpi_id[sizeof(*id)];
|
|
int j;
|
|
|
|
buf_printf(&mod->dev_table_buf,
|
|
"MODULE_ALIAS(\"pnp:d%s*\");\n", *id);
|
|
|
|
/* fix broken pnp bus lowercasing */
|
|
for (j = 0; j < sizeof(acpi_id); j++)
|
|
acpi_id[j] = toupper((*id)[j]);
|
|
buf_printf(&mod->dev_table_buf,
|
|
"MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id);
|
|
}
|
|
}
|
|
|
|
/* looks like: "pnp:dD" for every device of the card */
|
|
static void do_pnp_card_entries(void *symval, unsigned long size,
|
|
struct module *mod)
|
|
{
|
|
const unsigned long id_size = SIZE_pnp_card_device_id;
|
|
const unsigned int count = (size / id_size)-1;
|
|
unsigned int i;
|
|
|
|
device_id_check(mod->name, "pnp", size, id_size, symval);
|
|
|
|
for (i = 0; i < count; i++) {
|
|
unsigned int j;
|
|
DEF_FIELD_ADDR(symval + i * id_size, pnp_card_device_id, devs);
|
|
|
|
for (j = 0; j < PNP_MAX_DEVICES; j++) {
|
|
const char *id = (char *)(*devs)[j].id;
|
|
int i2, j2;
|
|
int dup = 0;
|
|
|
|
if (!id[0])
|
|
break;
|
|
|
|
/* find duplicate, already added value */
|
|
for (i2 = 0; i2 < i && !dup; i2++) {
|
|
DEF_FIELD_ADDR_VAR(symval + i2 * id_size,
|
|
pnp_card_device_id,
|
|
devs, devs_dup);
|
|
|
|
for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) {
|
|
const char *id2 =
|
|
(char *)(*devs_dup)[j2].id;
|
|
|
|
if (!id2[0])
|
|
break;
|
|
|
|
if (!strcmp(id, id2)) {
|
|
dup = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* add an individual alias for every device entry */
|
|
if (!dup) {
|
|
char acpi_id[PNP_ID_LEN];
|
|
int k;
|
|
|
|
buf_printf(&mod->dev_table_buf,
|
|
"MODULE_ALIAS(\"pnp:d%s*\");\n", id);
|
|
|
|
/* fix broken pnp bus lowercasing */
|
|
for (k = 0; k < sizeof(acpi_id); k++)
|
|
acpi_id[k] = toupper(id[k]);
|
|
buf_printf(&mod->dev_table_buf,
|
|
"MODULE_ALIAS(\"acpi*:%s:*\");\n", acpi_id);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Looks like: pcmcia:mNcNfNfnNpfnNvaNvbNvcNvdN. */
|
|
static int do_pcmcia_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
unsigned int i;
|
|
DEF_FIELD(symval, pcmcia_device_id, match_flags);
|
|
DEF_FIELD(symval, pcmcia_device_id, manf_id);
|
|
DEF_FIELD(symval, pcmcia_device_id, card_id);
|
|
DEF_FIELD(symval, pcmcia_device_id, func_id);
|
|
DEF_FIELD(symval, pcmcia_device_id, function);
|
|
DEF_FIELD(symval, pcmcia_device_id, device_no);
|
|
DEF_FIELD_ADDR(symval, pcmcia_device_id, prod_id_hash);
|
|
|
|
for (i=0; i<4; i++) {
|
|
(*prod_id_hash)[i] = TO_NATIVE((*prod_id_hash)[i]);
|
|
}
|
|
|
|
strcpy(alias, "pcmcia:");
|
|
ADD(alias, "m", match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID,
|
|
manf_id);
|
|
ADD(alias, "c", match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID,
|
|
card_id);
|
|
ADD(alias, "f", match_flags & PCMCIA_DEV_ID_MATCH_FUNC_ID,
|
|
func_id);
|
|
ADD(alias, "fn", match_flags & PCMCIA_DEV_ID_MATCH_FUNCTION,
|
|
function);
|
|
ADD(alias, "pfn", match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO,
|
|
device_no);
|
|
ADD(alias, "pa", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, (*prod_id_hash)[0]);
|
|
ADD(alias, "pb", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, (*prod_id_hash)[1]);
|
|
ADD(alias, "pc", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, (*prod_id_hash)[2]);
|
|
ADD(alias, "pd", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, (*prod_id_hash)[3]);
|
|
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
static int do_vio_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
char *tmp;
|
|
DEF_FIELD_ADDR(symval, vio_device_id, type);
|
|
DEF_FIELD_ADDR(symval, vio_device_id, compat);
|
|
|
|
sprintf(alias, "vio:T%sS%s", (*type)[0] ? *type : "*",
|
|
(*compat)[0] ? *compat : "*");
|
|
|
|
/* Replace all whitespace with underscores */
|
|
for (tmp = alias; tmp && *tmp; tmp++)
|
|
if (isspace (*tmp))
|
|
*tmp = '_';
|
|
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
|
|
|
|
static void do_input(char *alias,
|
|
kernel_ulong_t *arr, unsigned int min, unsigned int max)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = min / BITS_PER_LONG; i < max / BITS_PER_LONG + 1; i++)
|
|
arr[i] = TO_NATIVE(arr[i]);
|
|
for (i = min; i < max; i++)
|
|
if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG)))
|
|
sprintf(alias + strlen(alias), "%X,*", i);
|
|
}
|
|
|
|
/* input:b0v0p0e0-eXkXrXaXmXlXsXfXwX where X is comma-separated %02X. */
|
|
static int do_input_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD(symval, input_device_id, flags);
|
|
DEF_FIELD(symval, input_device_id, bustype);
|
|
DEF_FIELD(symval, input_device_id, vendor);
|
|
DEF_FIELD(symval, input_device_id, product);
|
|
DEF_FIELD(symval, input_device_id, version);
|
|
DEF_FIELD_ADDR(symval, input_device_id, evbit);
|
|
DEF_FIELD_ADDR(symval, input_device_id, keybit);
|
|
DEF_FIELD_ADDR(symval, input_device_id, relbit);
|
|
DEF_FIELD_ADDR(symval, input_device_id, absbit);
|
|
DEF_FIELD_ADDR(symval, input_device_id, mscbit);
|
|
DEF_FIELD_ADDR(symval, input_device_id, ledbit);
|
|
DEF_FIELD_ADDR(symval, input_device_id, sndbit);
|
|
DEF_FIELD_ADDR(symval, input_device_id, ffbit);
|
|
DEF_FIELD_ADDR(symval, input_device_id, swbit);
|
|
|
|
sprintf(alias, "input:");
|
|
|
|
ADD(alias, "b", flags & INPUT_DEVICE_ID_MATCH_BUS, bustype);
|
|
ADD(alias, "v", flags & INPUT_DEVICE_ID_MATCH_VENDOR, vendor);
|
|
ADD(alias, "p", flags & INPUT_DEVICE_ID_MATCH_PRODUCT, product);
|
|
ADD(alias, "e", flags & INPUT_DEVICE_ID_MATCH_VERSION, version);
|
|
|
|
sprintf(alias + strlen(alias), "-e*");
|
|
if (flags & INPUT_DEVICE_ID_MATCH_EVBIT)
|
|
do_input(alias, *evbit, 0, INPUT_DEVICE_ID_EV_MAX);
|
|
sprintf(alias + strlen(alias), "k*");
|
|
if (flags & INPUT_DEVICE_ID_MATCH_KEYBIT)
|
|
do_input(alias, *keybit,
|
|
INPUT_DEVICE_ID_KEY_MIN_INTERESTING,
|
|
INPUT_DEVICE_ID_KEY_MAX);
|
|
sprintf(alias + strlen(alias), "r*");
|
|
if (flags & INPUT_DEVICE_ID_MATCH_RELBIT)
|
|
do_input(alias, *relbit, 0, INPUT_DEVICE_ID_REL_MAX);
|
|
sprintf(alias + strlen(alias), "a*");
|
|
if (flags & INPUT_DEVICE_ID_MATCH_ABSBIT)
|
|
do_input(alias, *absbit, 0, INPUT_DEVICE_ID_ABS_MAX);
|
|
sprintf(alias + strlen(alias), "m*");
|
|
if (flags & INPUT_DEVICE_ID_MATCH_MSCIT)
|
|
do_input(alias, *mscbit, 0, INPUT_DEVICE_ID_MSC_MAX);
|
|
sprintf(alias + strlen(alias), "l*");
|
|
if (flags & INPUT_DEVICE_ID_MATCH_LEDBIT)
|
|
do_input(alias, *ledbit, 0, INPUT_DEVICE_ID_LED_MAX);
|
|
sprintf(alias + strlen(alias), "s*");
|
|
if (flags & INPUT_DEVICE_ID_MATCH_SNDBIT)
|
|
do_input(alias, *sndbit, 0, INPUT_DEVICE_ID_SND_MAX);
|
|
sprintf(alias + strlen(alias), "f*");
|
|
if (flags & INPUT_DEVICE_ID_MATCH_FFBIT)
|
|
do_input(alias, *ffbit, 0, INPUT_DEVICE_ID_FF_MAX);
|
|
sprintf(alias + strlen(alias), "w*");
|
|
if (flags & INPUT_DEVICE_ID_MATCH_SWBIT)
|
|
do_input(alias, *swbit, 0, INPUT_DEVICE_ID_SW_MAX);
|
|
return 1;
|
|
}
|
|
|
|
static int do_eisa_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD_ADDR(symval, eisa_device_id, sig);
|
|
if (sig[0])
|
|
sprintf(alias, EISA_DEVICE_MODALIAS_FMT "*", *sig);
|
|
else
|
|
strcat(alias, "*");
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: parisc:tNhvNrevNsvN */
|
|
static int do_parisc_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD(symval, parisc_device_id, hw_type);
|
|
DEF_FIELD(symval, parisc_device_id, hversion);
|
|
DEF_FIELD(symval, parisc_device_id, hversion_rev);
|
|
DEF_FIELD(symval, parisc_device_id, sversion);
|
|
|
|
strcpy(alias, "parisc:");
|
|
ADD(alias, "t", hw_type != PA_HWTYPE_ANY_ID, hw_type);
|
|
ADD(alias, "hv", hversion != PA_HVERSION_ANY_ID, hversion);
|
|
ADD(alias, "rev", hversion_rev != PA_HVERSION_REV_ANY_ID, hversion_rev);
|
|
ADD(alias, "sv", sversion != PA_SVERSION_ANY_ID, sversion);
|
|
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: sdio:cNvNdN. */
|
|
static int do_sdio_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, sdio_device_id, class);
|
|
DEF_FIELD(symval, sdio_device_id, vendor);
|
|
DEF_FIELD(symval, sdio_device_id, device);
|
|
|
|
strcpy(alias, "sdio:");
|
|
ADD(alias, "c", class != (__u8)SDIO_ANY_ID, class);
|
|
ADD(alias, "v", vendor != (__u16)SDIO_ANY_ID, vendor);
|
|
ADD(alias, "d", device != (__u16)SDIO_ANY_ID, device);
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: ssb:vNidNrevN. */
|
|
static int do_ssb_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, ssb_device_id, vendor);
|
|
DEF_FIELD(symval, ssb_device_id, coreid);
|
|
DEF_FIELD(symval, ssb_device_id, revision);
|
|
|
|
strcpy(alias, "ssb:");
|
|
ADD(alias, "v", vendor != SSB_ANY_VENDOR, vendor);
|
|
ADD(alias, "id", coreid != SSB_ANY_ID, coreid);
|
|
ADD(alias, "rev", revision != SSB_ANY_REV, revision);
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: bcma:mNidNrevNclN. */
|
|
static int do_bcma_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, bcma_device_id, manuf);
|
|
DEF_FIELD(symval, bcma_device_id, id);
|
|
DEF_FIELD(symval, bcma_device_id, rev);
|
|
DEF_FIELD(symval, bcma_device_id, class);
|
|
|
|
strcpy(alias, "bcma:");
|
|
ADD(alias, "m", manuf != BCMA_ANY_MANUF, manuf);
|
|
ADD(alias, "id", id != BCMA_ANY_ID, id);
|
|
ADD(alias, "rev", rev != BCMA_ANY_REV, rev);
|
|
ADD(alias, "cl", class != BCMA_ANY_CLASS, class);
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: virtio:dNvN */
|
|
static int do_virtio_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD(symval, virtio_device_id, device);
|
|
DEF_FIELD(symval, virtio_device_id, vendor);
|
|
|
|
strcpy(alias, "virtio:");
|
|
ADD(alias, "d", device != VIRTIO_DEV_ANY_ID, device);
|
|
ADD(alias, "v", vendor != VIRTIO_DEV_ANY_ID, vendor);
|
|
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Looks like: vmbus:guid
|
|
* Each byte of the guid will be represented by two hex characters
|
|
* in the name.
|
|
*/
|
|
|
|
static int do_vmbus_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
int i;
|
|
DEF_FIELD_ADDR(symval, hv_vmbus_device_id, guid);
|
|
char guid_name[(sizeof(*guid) + 1) * 2];
|
|
|
|
for (i = 0; i < (sizeof(*guid) * 2); i += 2)
|
|
sprintf(&guid_name[i], "%02x", TO_NATIVE((guid->b)[i/2]));
|
|
|
|
strcpy(alias, "vmbus:");
|
|
strcat(alias, guid_name);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: rpmsg:S */
|
|
static int do_rpmsg_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD_ADDR(symval, rpmsg_device_id, name);
|
|
sprintf(alias, RPMSG_DEVICE_MODALIAS_FMT, *name);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: i2c:S */
|
|
static int do_i2c_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD_ADDR(symval, i2c_device_id, name);
|
|
sprintf(alias, I2C_MODULE_PREFIX "%s", *name);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: spi:S */
|
|
static int do_spi_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD_ADDR(symval, spi_device_id, name);
|
|
sprintf(alias, SPI_MODULE_PREFIX "%s", *name);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static const struct dmifield {
|
|
const char *prefix;
|
|
int field;
|
|
} dmi_fields[] = {
|
|
{ "bvn", DMI_BIOS_VENDOR },
|
|
{ "bvr", DMI_BIOS_VERSION },
|
|
{ "bd", DMI_BIOS_DATE },
|
|
{ "svn", DMI_SYS_VENDOR },
|
|
{ "pn", DMI_PRODUCT_NAME },
|
|
{ "pvr", DMI_PRODUCT_VERSION },
|
|
{ "rvn", DMI_BOARD_VENDOR },
|
|
{ "rn", DMI_BOARD_NAME },
|
|
{ "rvr", DMI_BOARD_VERSION },
|
|
{ "cvn", DMI_CHASSIS_VENDOR },
|
|
{ "ct", DMI_CHASSIS_TYPE },
|
|
{ "cvr", DMI_CHASSIS_VERSION },
|
|
{ NULL, DMI_NONE }
|
|
};
|
|
|
|
static void dmi_ascii_filter(char *d, const char *s)
|
|
{
|
|
/* Filter out characters we don't want to see in the modalias string */
|
|
for (; *s; s++)
|
|
if (*s > ' ' && *s < 127 && *s != ':')
|
|
*(d++) = *s;
|
|
|
|
*d = 0;
|
|
}
|
|
|
|
|
|
static int do_dmi_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
int i, j;
|
|
DEF_FIELD_ADDR(symval, dmi_system_id, matches);
|
|
sprintf(alias, "dmi*");
|
|
|
|
for (i = 0; i < ARRAY_SIZE(dmi_fields); i++) {
|
|
for (j = 0; j < 4; j++) {
|
|
if ((*matches)[j].slot &&
|
|
(*matches)[j].slot == dmi_fields[i].field) {
|
|
sprintf(alias + strlen(alias), ":%s*",
|
|
dmi_fields[i].prefix);
|
|
dmi_ascii_filter(alias + strlen(alias),
|
|
(*matches)[j].substr);
|
|
strcat(alias, "*");
|
|
}
|
|
}
|
|
}
|
|
|
|
strcat(alias, ":");
|
|
return 1;
|
|
}
|
|
|
|
static int do_platform_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD_ADDR(symval, platform_device_id, name);
|
|
sprintf(alias, PLATFORM_MODULE_PREFIX "%s", *name);
|
|
return 1;
|
|
}
|
|
|
|
static int do_mdio_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
int i;
|
|
DEF_FIELD(symval, mdio_device_id, phy_id);
|
|
DEF_FIELD(symval, mdio_device_id, phy_id_mask);
|
|
|
|
alias += sprintf(alias, MDIO_MODULE_PREFIX);
|
|
|
|
for (i = 0; i < 32; i++) {
|
|
if (!((phy_id_mask >> (31-i)) & 1))
|
|
*(alias++) = '?';
|
|
else if ((phy_id >> (31-i)) & 1)
|
|
*(alias++) = '1';
|
|
else
|
|
*(alias++) = '0';
|
|
}
|
|
|
|
/* Terminate the string */
|
|
*alias = 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: zorro:iN. */
|
|
static int do_zorro_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD(symval, zorro_device_id, id);
|
|
strcpy(alias, "zorro:");
|
|
ADD(alias, "i", id != ZORRO_WILDCARD, id);
|
|
return 1;
|
|
}
|
|
|
|
/* looks like: "pnp:dD" */
|
|
static int do_isapnp_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, isapnp_device_id, vendor);
|
|
DEF_FIELD(symval, isapnp_device_id, function);
|
|
sprintf(alias, "pnp:d%c%c%c%x%x%x%x*",
|
|
'A' + ((vendor >> 2) & 0x3f) - 1,
|
|
'A' + (((vendor & 3) << 3) | ((vendor >> 13) & 7)) - 1,
|
|
'A' + ((vendor >> 8) & 0x1f) - 1,
|
|
(function >> 4) & 0x0f, function & 0x0f,
|
|
(function >> 12) & 0x0f, (function >> 8) & 0x0f);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: "ipack:fNvNdN". */
|
|
static int do_ipack_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, ipack_device_id, format);
|
|
DEF_FIELD(symval, ipack_device_id, vendor);
|
|
DEF_FIELD(symval, ipack_device_id, device);
|
|
strcpy(alias, "ipack:");
|
|
ADD(alias, "f", format != IPACK_ANY_FORMAT, format);
|
|
ADD(alias, "v", vendor != IPACK_ANY_ID, vendor);
|
|
ADD(alias, "d", device != IPACK_ANY_ID, device);
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Append a match expression for a single masked hex digit.
|
|
* outp points to a pointer to the character at which to append.
|
|
* *outp is updated on return to point just after the appended text,
|
|
* to facilitate further appending.
|
|
*/
|
|
static void append_nibble_mask(char **outp,
|
|
unsigned int nibble, unsigned int mask)
|
|
{
|
|
char *p = *outp;
|
|
unsigned int i;
|
|
|
|
switch (mask) {
|
|
case 0:
|
|
*p++ = '?';
|
|
break;
|
|
|
|
case 0xf:
|
|
p += sprintf(p, "%X", nibble);
|
|
break;
|
|
|
|
default:
|
|
/*
|
|
* Dumbly emit a match pattern for all possible matching
|
|
* digits. This could be improved in some cases using ranges,
|
|
* but it has the advantage of being trivially correct, and is
|
|
* often optimal.
|
|
*/
|
|
*p++ = '[';
|
|
for (i = 0; i < 0x10; i++)
|
|
if ((i & mask) == nibble)
|
|
p += sprintf(p, "%X", i);
|
|
*p++ = ']';
|
|
}
|
|
|
|
/* Ensure that the string remains NUL-terminated: */
|
|
*p = '\0';
|
|
|
|
/* Advance the caller's end-of-string pointer: */
|
|
*outp = p;
|
|
}
|
|
|
|
/*
|
|
* looks like: "amba:dN"
|
|
*
|
|
* N is exactly 8 digits, where each is an upper-case hex digit, or
|
|
* a ? or [] pattern matching exactly one digit.
|
|
*/
|
|
static int do_amba_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
unsigned int digit;
|
|
char *p = alias;
|
|
DEF_FIELD(symval, amba_id, id);
|
|
DEF_FIELD(symval, amba_id, mask);
|
|
|
|
if ((id & mask) != id)
|
|
fatal("%s: Masked-off bit(s) of AMBA device ID are non-zero: "
|
|
"id=0x%08X, mask=0x%08X. Please fix this driver.\n",
|
|
filename, id, mask);
|
|
|
|
p += sprintf(alias, "amba:d");
|
|
for (digit = 0; digit < 8; digit++)
|
|
append_nibble_mask(&p,
|
|
(id >> (4 * (7 - digit))) & 0xf,
|
|
(mask >> (4 * (7 - digit))) & 0xf);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* looks like: "mipscdmm:tN"
|
|
*
|
|
* N is exactly 2 digits, where each is an upper-case hex digit, or
|
|
* a ? or [] pattern matching exactly one digit.
|
|
*/
|
|
static int do_mips_cdmm_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, mips_cdmm_device_id, type);
|
|
|
|
sprintf(alias, "mipscdmm:t%02X*", type);
|
|
return 1;
|
|
}
|
|
|
|
/* LOOKS like cpu:type:x86,venVVVVfamFFFFmodMMMM:feature:*,FEAT,*
|
|
* All fields are numbers. It would be nicer to use strings for vendor
|
|
* and feature, but getting those out of the build system here is too
|
|
* complicated.
|
|
*/
|
|
|
|
static int do_x86cpu_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD(symval, x86_cpu_id, feature);
|
|
DEF_FIELD(symval, x86_cpu_id, family);
|
|
DEF_FIELD(symval, x86_cpu_id, model);
|
|
DEF_FIELD(symval, x86_cpu_id, vendor);
|
|
|
|
strcpy(alias, "cpu:type:x86,");
|
|
ADD(alias, "ven", vendor != X86_VENDOR_ANY, vendor);
|
|
ADD(alias, "fam", family != X86_FAMILY_ANY, family);
|
|
ADD(alias, "mod", model != X86_MODEL_ANY, model);
|
|
strcat(alias, ":feature:*");
|
|
if (feature != X86_FEATURE_ANY)
|
|
sprintf(alias + strlen(alias), "%04X*", feature);
|
|
return 1;
|
|
}
|
|
|
|
/* LOOKS like cpu:type:*:feature:*FEAT* */
|
|
static int do_cpu_entry(const char *filename, void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, cpu_feature, feature);
|
|
|
|
sprintf(alias, "cpu:type:*:feature:*%04X*", feature);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: mei:S:uuid:N:* */
|
|
static int do_mei_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD_ADDR(symval, mei_cl_device_id, name);
|
|
DEF_FIELD_ADDR(symval, mei_cl_device_id, uuid);
|
|
DEF_FIELD(symval, mei_cl_device_id, version);
|
|
|
|
sprintf(alias, MEI_CL_MODULE_PREFIX);
|
|
sprintf(alias + strlen(alias), "%s:", (*name)[0] ? *name : "*");
|
|
add_uuid(alias, *uuid);
|
|
ADD(alias, ":", version != MEI_CL_VERSION_ANY, version);
|
|
|
|
strcat(alias, ":*");
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: rapidio:vNdNavNadN */
|
|
static int do_rio_entry(const char *filename,
|
|
void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, rio_device_id, did);
|
|
DEF_FIELD(symval, rio_device_id, vid);
|
|
DEF_FIELD(symval, rio_device_id, asm_did);
|
|
DEF_FIELD(symval, rio_device_id, asm_vid);
|
|
|
|
strcpy(alias, "rapidio:");
|
|
ADD(alias, "v", vid != RIO_ANY_ID, vid);
|
|
ADD(alias, "d", did != RIO_ANY_ID, did);
|
|
ADD(alias, "av", asm_vid != RIO_ANY_ID, asm_vid);
|
|
ADD(alias, "ad", asm_did != RIO_ANY_ID, asm_did);
|
|
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: ulpi:vNpN */
|
|
static int do_ulpi_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD(symval, ulpi_device_id, vendor);
|
|
DEF_FIELD(symval, ulpi_device_id, product);
|
|
|
|
sprintf(alias, "ulpi:v%04xp%04x", vendor, product);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: hdaudio:vNrNaN */
|
|
static int do_hda_entry(const char *filename, void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, hda_device_id, vendor_id);
|
|
DEF_FIELD(symval, hda_device_id, rev_id);
|
|
DEF_FIELD(symval, hda_device_id, api_version);
|
|
|
|
strcpy(alias, "hdaudio:");
|
|
ADD(alias, "v", vendor_id != 0, vendor_id);
|
|
ADD(alias, "r", rev_id != 0, rev_id);
|
|
ADD(alias, "a", api_version != 0, api_version);
|
|
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: sdw:mNpN */
|
|
static int do_sdw_entry(const char *filename, void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, sdw_device_id, mfg_id);
|
|
DEF_FIELD(symval, sdw_device_id, part_id);
|
|
|
|
strcpy(alias, "sdw:");
|
|
ADD(alias, "m", mfg_id != 0, mfg_id);
|
|
ADD(alias, "p", part_id != 0, part_id);
|
|
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: fsl-mc:vNdN */
|
|
static int do_fsl_mc_entry(const char *filename, void *symval,
|
|
char *alias)
|
|
{
|
|
DEF_FIELD(symval, fsl_mc_device_id, vendor);
|
|
DEF_FIELD_ADDR(symval, fsl_mc_device_id, obj_type);
|
|
|
|
sprintf(alias, "fsl-mc:v%08Xd%s", vendor, *obj_type);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: tbsvc:kSpNvNrN */
|
|
static int do_tbsvc_entry(const char *filename, void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, tb_service_id, match_flags);
|
|
DEF_FIELD_ADDR(symval, tb_service_id, protocol_key);
|
|
DEF_FIELD(symval, tb_service_id, protocol_id);
|
|
DEF_FIELD(symval, tb_service_id, protocol_version);
|
|
DEF_FIELD(symval, tb_service_id, protocol_revision);
|
|
|
|
strcpy(alias, "tbsvc:");
|
|
if (match_flags & TBSVC_MATCH_PROTOCOL_KEY)
|
|
sprintf(alias + strlen(alias), "k%s", *protocol_key);
|
|
else
|
|
strcat(alias + strlen(alias), "k*");
|
|
ADD(alias, "p", match_flags & TBSVC_MATCH_PROTOCOL_ID, protocol_id);
|
|
ADD(alias, "v", match_flags & TBSVC_MATCH_PROTOCOL_VERSION,
|
|
protocol_version);
|
|
ADD(alias, "r", match_flags & TBSVC_MATCH_PROTOCOL_REVISION,
|
|
protocol_revision);
|
|
|
|
add_wildcard(alias);
|
|
return 1;
|
|
}
|
|
|
|
/* Looks like: typec:idNmN */
|
|
static int do_typec_entry(const char *filename, void *symval, char *alias)
|
|
{
|
|
DEF_FIELD(symval, typec_device_id, svid);
|
|
DEF_FIELD(symval, typec_device_id, mode);
|
|
|
|
sprintf(alias, "typec:id%04X", svid);
|
|
ADD(alias, "m", mode != TYPEC_ANY_MODE, mode);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Does namelen bytes of name exactly match the symbol? */
|
|
static bool sym_is(const char *name, unsigned namelen, const char *symbol)
|
|
{
|
|
if (namelen != strlen(symbol))
|
|
return false;
|
|
|
|
return memcmp(name, symbol, namelen) == 0;
|
|
}
|
|
|
|
static void do_table(void *symval, unsigned long size,
|
|
unsigned long id_size,
|
|
const char *device_id,
|
|
int (*do_entry)(const char *filename, void *symval, char *alias),
|
|
struct module *mod)
|
|
{
|
|
unsigned int i;
|
|
char alias[500];
|
|
|
|
device_id_check(mod->name, device_id, size, id_size, symval);
|
|
/* Leave last one: it's the terminator. */
|
|
size -= id_size;
|
|
|
|
for (i = 0; i < size; i += id_size) {
|
|
if (do_entry(mod->name, symval+i, alias)) {
|
|
buf_printf(&mod->dev_table_buf,
|
|
"MODULE_ALIAS(\"%s\");\n", alias);
|
|
}
|
|
}
|
|
}
|
|
|
|
static const struct devtable devtable[] = {
|
|
{"hid", SIZE_hid_device_id, do_hid_entry},
|
|
{"ieee1394", SIZE_ieee1394_device_id, do_ieee1394_entry},
|
|
{"pci", SIZE_pci_device_id, do_pci_entry},
|
|
{"ccw", SIZE_ccw_device_id, do_ccw_entry},
|
|
{"ap", SIZE_ap_device_id, do_ap_entry},
|
|
{"css", SIZE_css_device_id, do_css_entry},
|
|
{"serio", SIZE_serio_device_id, do_serio_entry},
|
|
{"acpi", SIZE_acpi_device_id, do_acpi_entry},
|
|
{"pcmcia", SIZE_pcmcia_device_id, do_pcmcia_entry},
|
|
{"vio", SIZE_vio_device_id, do_vio_entry},
|
|
{"input", SIZE_input_device_id, do_input_entry},
|
|
{"eisa", SIZE_eisa_device_id, do_eisa_entry},
|
|
{"parisc", SIZE_parisc_device_id, do_parisc_entry},
|
|
{"sdio", SIZE_sdio_device_id, do_sdio_entry},
|
|
{"ssb", SIZE_ssb_device_id, do_ssb_entry},
|
|
{"bcma", SIZE_bcma_device_id, do_bcma_entry},
|
|
{"virtio", SIZE_virtio_device_id, do_virtio_entry},
|
|
{"vmbus", SIZE_hv_vmbus_device_id, do_vmbus_entry},
|
|
{"rpmsg", SIZE_rpmsg_device_id, do_rpmsg_entry},
|
|
{"i2c", SIZE_i2c_device_id, do_i2c_entry},
|
|
{"spi", SIZE_spi_device_id, do_spi_entry},
|
|
{"dmi", SIZE_dmi_system_id, do_dmi_entry},
|
|
{"platform", SIZE_platform_device_id, do_platform_entry},
|
|
{"mdio", SIZE_mdio_device_id, do_mdio_entry},
|
|
{"zorro", SIZE_zorro_device_id, do_zorro_entry},
|
|
{"isapnp", SIZE_isapnp_device_id, do_isapnp_entry},
|
|
{"ipack", SIZE_ipack_device_id, do_ipack_entry},
|
|
{"amba", SIZE_amba_id, do_amba_entry},
|
|
{"mipscdmm", SIZE_mips_cdmm_device_id, do_mips_cdmm_entry},
|
|
{"x86cpu", SIZE_x86_cpu_id, do_x86cpu_entry},
|
|
{"cpu", SIZE_cpu_feature, do_cpu_entry},
|
|
{"mei", SIZE_mei_cl_device_id, do_mei_entry},
|
|
{"rapidio", SIZE_rio_device_id, do_rio_entry},
|
|
{"ulpi", SIZE_ulpi_device_id, do_ulpi_entry},
|
|
{"hdaudio", SIZE_hda_device_id, do_hda_entry},
|
|
{"sdw", SIZE_sdw_device_id, do_sdw_entry},
|
|
{"fslmc", SIZE_fsl_mc_device_id, do_fsl_mc_entry},
|
|
{"tbsvc", SIZE_tb_service_id, do_tbsvc_entry},
|
|
{"typec", SIZE_typec_device_id, do_typec_entry},
|
|
};
|
|
|
|
/* Create MODULE_ALIAS() statements.
|
|
* At this time, we cannot write the actual output C source yet,
|
|
* so we write into the mod->dev_table_buf buffer. */
|
|
void handle_moddevtable(struct module *mod, struct elf_info *info,
|
|
Elf_Sym *sym, const char *symname)
|
|
{
|
|
void *symval;
|
|
char *zeros = NULL;
|
|
const char *name, *identifier;
|
|
unsigned int namelen;
|
|
|
|
/* We're looking for a section relative symbol */
|
|
if (!sym->st_shndx || get_secindex(info, sym) >= info->num_sections)
|
|
return;
|
|
|
|
/* We're looking for an object */
|
|
if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT)
|
|
return;
|
|
|
|
/* All our symbols are of form __mod_<name>__<identifier>_device_table. */
|
|
if (strncmp(symname, "__mod_", strlen("__mod_")))
|
|
return;
|
|
name = symname + strlen("__mod_");
|
|
namelen = strlen(name);
|
|
if (namelen < strlen("_device_table"))
|
|
return;
|
|
if (strcmp(name + namelen - strlen("_device_table"), "_device_table"))
|
|
return;
|
|
identifier = strstr(name, "__");
|
|
if (!identifier)
|
|
return;
|
|
namelen = identifier - name;
|
|
|
|
/* Handle all-NULL symbols allocated into .bss */
|
|
if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) {
|
|
zeros = calloc(1, sym->st_size);
|
|
symval = zeros;
|
|
} else {
|
|
symval = (void *)info->hdr
|
|
+ info->sechdrs[get_secindex(info, sym)].sh_offset
|
|
+ sym->st_value;
|
|
}
|
|
|
|
/* First handle the "special" cases */
|
|
if (sym_is(name, namelen, "usb"))
|
|
do_usb_table(symval, sym->st_size, mod);
|
|
if (sym_is(name, namelen, "of"))
|
|
do_of_table(symval, sym->st_size, mod);
|
|
else if (sym_is(name, namelen, "pnp"))
|
|
do_pnp_device_entry(symval, sym->st_size, mod);
|
|
else if (sym_is(name, namelen, "pnp_card"))
|
|
do_pnp_card_entries(symval, sym->st_size, mod);
|
|
else {
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(devtable); i++) {
|
|
const struct devtable *p = &devtable[i];
|
|
|
|
if (sym_is(name, namelen, p->device_id)) {
|
|
do_table(symval, sym->st_size, p->id_size,
|
|
p->device_id, p->do_entry, mod);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
free(zeros);
|
|
}
|
|
|
|
/* Now add out buffered information to the generated C source */
|
|
void add_moddevtable(struct buffer *buf, struct module *mod)
|
|
{
|
|
buf_printf(buf, "\n");
|
|
buf_write(buf, mod->dev_table_buf.p, mod->dev_table_buf.pos);
|
|
free(mod->dev_table_buf.p);
|
|
}
|