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1330 lines
38 KiB
1330 lines
38 KiB
/* 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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|
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#include "modpost.h" |
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#include "devicetable-offsets.h" |
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|
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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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|
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#include <ctype.h> |
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#include <stdbool.h> |
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|
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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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|
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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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|
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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 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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typeof(((struct devid *)0)->f) *f = ((m) + OFF_##devid##_##f) |
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|
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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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|
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/* Always 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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|
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if (str[len - 1] != '*') |
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strcat(str + len, "*"); |
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} |
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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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|
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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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/** |
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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/* Do our increment/decrement */ |
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dec += inc; |
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*bcd = 0; |
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|
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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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|
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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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|
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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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|
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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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|
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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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/* |
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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device_id_check(mod->name, "usb", size, id_size, symval); |
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|
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/* Leave last one: it's the terminator. */ |
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size -= id_size; |
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|
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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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|
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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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|
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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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|
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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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|
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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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add_wildcard(alias); |
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return 1; |
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} |
|
|
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/* Looks like: pci:vNdNsvNsdNbcNscNiN. */ |
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static int do_pci_entry(const char *filename, |
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void *symval, char *alias) |
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{ |
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/* Class field can be divided into these three. */ |
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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); |
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DEF_FIELD(symval, pci_device_id, device); |
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DEF_FIELD(symval, pci_device_id, subvendor); |
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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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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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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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if ((baseclass_mask != 0 && baseclass_mask != 0xFF) |
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|| (subclass_mask != 0 && subclass_mask != 0xFF) |
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|| (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; |
|
} |
|
|
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ADD(alias, "bc", baseclass_mask == 0xFF, baseclass); |
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ADD(alias, "sc", subclass_mask == 0xFF, subclass); |
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ADD(alias, "i", interface_mask == 0xFF, interface); |
|
add_wildcard(alias); |
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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); |
|
|
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strcpy(alias, "ccw:"); |
|
ADD(alias, "t", match_flags&CCW_DEVICE_ID_MATCH_CU_TYPE, |
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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(symval + i2*id_size, pnp_card_device_id, devs); |
|
|
|
for (j2 = 0; j2 < PNP_MAX_DEVICES; j2++) { |
|
const char *id2 = (char *)(*devs)[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_of_entry (const char *filename, void *symval, char *alias) |
|
{ |
|
int len; |
|
char *tmp; |
|
DEF_FIELD_ADDR(symval, of_device_id, name); |
|
DEF_FIELD_ADDR(symval, of_device_id, type); |
|
DEF_FIELD_ADDR(symval, of_device_id, compatible); |
|
|
|
len = sprintf(alias, "of:N%sT%s", (*name)[0] ? *name : "*", |
|
(*type)[0] ? *type : "*"); |
|
|
|
if ((*compatible)[0]) |
|
sprintf(&alias[len], "%sC%s", (*type)[0] ? "*" : "", |
|
*compatible); |
|
|
|
/* Replace all whitespace with underscores */ |
|
for (tmp = alias; tmp && *tmp; tmp++) |
|
if (isspace (*tmp)) |
|
*tmp = '_'; |
|
|
|
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)[i/2])); |
|
|
|
strcpy(alias, "vmbus:"); |
|
strcat(alias, guid_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; |
|
} |
|
|
|
/* 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}, |
|
{"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}, |
|
{"of", SIZE_of_device_id, do_of_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 <prefix>__mod_<name>__<identifier>_device_table. */ |
|
name = strstr(symname, "__mod_"); |
|
if (!name) |
|
return; |
|
name += 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); |
|
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); |
|
}
|
|
|