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-rw-r--r--scripts/mod/file2alias.c1635
1 files changed, 1635 insertions, 0 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
new file mode 100644
index 0000000000..6583b36dbe
--- /dev/null
+++ b/scripts/mod/file2alias.c
@@ -0,0 +1,1635 @@
+/* Simple code to turn various tables in an ELF file into alias definitions.
+ * This deals with kernel datastructures where they should be
+ * dealt with: in the kernel source.
+ *
+ * Copyright 2002-2003 Rusty Russell, IBM Corporation
+ * 2003 Kai Germaschewski
+ *
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ */
+
+#include "modpost.h"
+#include "devicetable-offsets.h"
+
+/* We use the ELF typedefs for kernel_ulong_t but bite the bullet and
+ * use either stdint.h or inttypes.h for the rest. */
+#if KERNEL_ELFCLASS == ELFCLASS32
+typedef Elf32_Addr kernel_ulong_t;
+#define BITS_PER_LONG 32
+#else
+typedef Elf64_Addr kernel_ulong_t;
+#define BITS_PER_LONG 64
+#endif
+#ifdef __sun__
+#include <inttypes.h>
+#else
+#include <stdint.h>
+#endif
+
+#include <ctype.h>
+#include <stdbool.h>
+
+typedef uint32_t __u32;
+typedef uint16_t __u16;
+typedef unsigned char __u8;
+
+/* UUID types for backward compatibility, don't use in new code */
+typedef struct {
+ __u8 b[16];
+} guid_t;
+
+typedef struct {
+ __u8 b[16];
+} uuid_t;
+
+#define UUID_STRING_LEN 36
+
+/* MEI UUID type, don't use anywhere else */
+typedef struct {
+ __u8 b[16];
+} uuid_le;
+
+/* Big exception to the "don't include kernel headers into userspace, which
+ * even potentially has different endianness and word sizes, since
+ * we handle those differences explicitly below */
+#include "../../include/linux/mod_devicetable.h"
+
+/* This array collects all instances that use the generic do_table */
+struct devtable {
+ const char *device_id; /* name of table, __mod_<name>__*_device_table. */
+ unsigned long id_size;
+ int (*do_entry)(const char *filename, void *symval, char *alias);
+};
+
+/* Size of alias provided to do_entry functions */
+#define ALIAS_SIZE 500
+
+/* Define a variable f that holds the value of field f of struct devid
+ * based at address m.
+ */
+#define DEF_FIELD(m, devid, f) \
+ typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f))
+
+/* Define a variable v that holds the address of field f of struct devid
+ * based at address m. Due to the way typeof works, for a field of type
+ * T[N] the variable has type T(*)[N], _not_ T*.
+ */
+#define DEF_FIELD_ADDR_VAR(m, devid, f, v) \
+ typeof(((struct devid *)0)->f) *v = ((m) + OFF_##devid##_##f)
+
+/* Define a variable f that holds the address of field f of struct devid
+ * based at address m. Due to the way typeof works, for a field of type
+ * T[N] the variable has type T(*)[N], _not_ T*.
+ */
+#define DEF_FIELD_ADDR(m, devid, f) \
+ DEF_FIELD_ADDR_VAR(m, devid, f, f)
+
+#define ADD(str, sep, cond, field) \
+do { \
+ strcat(str, sep); \
+ if (cond) \
+ sprintf(str + strlen(str), \
+ sizeof(field) == 1 ? "%02X" : \
+ sizeof(field) == 2 ? "%04X" : \
+ sizeof(field) == 4 ? "%08X" : "", \
+ field); \
+ else \
+ sprintf(str + strlen(str), "*"); \
+} while(0)
+
+/* End in a wildcard, for future extension */
+static inline void add_wildcard(char *str)
+{
+ int len = strlen(str);
+
+ if (str[len - 1] != '*')
+ strcat(str + len, "*");
+}
+
+static inline void add_uuid(char *str, uuid_le uuid)
+{
+ int len = strlen(str);
+
+ sprintf(str + len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0],
+ uuid.b[5], uuid.b[4], uuid.b[7], uuid.b[6],
+ uuid.b[8], uuid.b[9], uuid.b[10], uuid.b[11],
+ uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]);
+}
+
+static inline void add_guid(char *str, guid_t guid)
+{
+ int len = strlen(str);
+
+ sprintf(str + len, "%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
+ guid.b[3], guid.b[2], guid.b[1], guid.b[0],
+ guid.b[5], guid.b[4], guid.b[7], guid.b[6],
+ guid.b[8], guid.b[9], guid.b[10], guid.b[11],
+ guid.b[12], guid.b[13], guid.b[14], guid.b[15]);
+}
+
+/**
+ * Check that sizeof(device_id type) are consistent with size of section
+ * in .o file. If in-consistent then userspace and kernel does not agree
+ * on actual size which is a bug.
+ * Also verify that the final entry in the table is all zeros.
+ * Ignore both checks if build host differ from target host and size differs.
+ **/
+static void device_id_check(const char *modname, const char *device_id,
+ unsigned long size, unsigned long id_size,
+ void *symval)
+{
+ int i;
+
+ if (size % id_size || size < id_size) {
+ fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo of the size of section __mod_%s__<identifier>_device_table=%lu.\n"
+ "Fix definition of struct %s_device_id in mod_devicetable.h\n",
+ modname, device_id, id_size, device_id, size, device_id);
+ }
+ /* Verify last one is a terminator */
+ for (i = 0; i < id_size; i++ ) {
+ if (*(uint8_t*)(symval+size-id_size+i)) {
+ fprintf(stderr,
+ "%s: struct %s_device_id is %lu bytes. The last of %lu is:\n",
+ modname, device_id, id_size, size / id_size);
+ for (i = 0; i < id_size; i++ )
+ fprintf(stderr,"0x%02x ",
+ *(uint8_t*)(symval+size-id_size+i) );
+ fprintf(stderr,"\n");
+ fatal("%s: struct %s_device_id is not terminated with a NULL entry!\n",
+ modname, device_id);
+ }
+ }
+}
+
+/* USB is special because the bcdDevice can be matched against a numeric range */
+/* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */
+static void do_usb_entry(void *symval,
+ unsigned int bcdDevice_initial, int bcdDevice_initial_digits,
+ unsigned char range_lo, unsigned char range_hi,
+ unsigned char max, struct module *mod)
+{
+ char alias[500];
+ DEF_FIELD(symval, usb_device_id, match_flags);
+ DEF_FIELD(symval, usb_device_id, idVendor);
+ DEF_FIELD(symval, usb_device_id, idProduct);
+ DEF_FIELD(symval, usb_device_id, bcdDevice_lo);
+ DEF_FIELD(symval, usb_device_id, bDeviceClass);
+ DEF_FIELD(symval, usb_device_id, bDeviceSubClass);
+ DEF_FIELD(symval, usb_device_id, bDeviceProtocol);
+ DEF_FIELD(symval, usb_device_id, bInterfaceClass);
+ DEF_FIELD(symval, usb_device_id, bInterfaceSubClass);
+ DEF_FIELD(symval, usb_device_id, bInterfaceProtocol);
+ DEF_FIELD(symval, usb_device_id, bInterfaceNumber);
+
+ strcpy(alias, "usb:");
+ ADD(alias, "v", match_flags&USB_DEVICE_ID_MATCH_VENDOR,
+ idVendor);
+ ADD(alias, "p", match_flags&USB_DEVICE_ID_MATCH_PRODUCT,
+ idProduct);
+
+ strcat(alias, "d");
+ if (bcdDevice_initial_digits)
+ sprintf(alias + strlen(alias), "%0*X",
+ bcdDevice_initial_digits, bcdDevice_initial);
+ if (range_lo == range_hi)
+ sprintf(alias + strlen(alias), "%X", range_lo);
+ else if (range_lo > 0 || range_hi < max) {
+ if (range_lo > 0x9 || range_hi < 0xA)
+ sprintf(alias + strlen(alias),
+ "[%X-%X]",
+ range_lo,
+ range_hi);
+ else {
+ sprintf(alias + strlen(alias),
+ range_lo < 0x9 ? "[%X-9" : "[%X",
+ range_lo);
+ sprintf(alias + strlen(alias),
+ range_hi > 0xA ? "A-%X]" : "%X]",
+ range_hi);
+ }
+ }
+ if (bcdDevice_initial_digits < (sizeof(bcdDevice_lo) * 2 - 1))
+ strcat(alias, "*");
+
+ ADD(alias, "dc", match_flags&USB_DEVICE_ID_MATCH_DEV_CLASS,
+ bDeviceClass);
+ ADD(alias, "dsc", match_flags&USB_DEVICE_ID_MATCH_DEV_SUBCLASS,
+ bDeviceSubClass);
+ ADD(alias, "dp", match_flags&USB_DEVICE_ID_MATCH_DEV_PROTOCOL,
+ bDeviceProtocol);
+ ADD(alias, "ic", match_flags&USB_DEVICE_ID_MATCH_INT_CLASS,
+ bInterfaceClass);
+ ADD(alias, "isc", match_flags&USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+ bInterfaceSubClass);
+ ADD(alias, "ip", match_flags&USB_DEVICE_ID_MATCH_INT_PROTOCOL,
+ bInterfaceProtocol);
+ ADD(alias, "in", match_flags&USB_DEVICE_ID_MATCH_INT_NUMBER,
+ bInterfaceNumber);
+
+ add_wildcard(alias);
+ buf_printf(&mod->dev_table_buf,
+ "MODULE_ALIAS(\"%s\");\n", alias);
+}
+
+/* Handles increment/decrement of BCD formatted integers */
+/* Returns the previous value, so it works like i++ or i-- */
+static unsigned int incbcd(unsigned int *bcd,
+ int inc,
+ unsigned char max,
+ size_t chars)
+{
+ unsigned int init = *bcd, i, j;
+ unsigned long long c, dec = 0;
+
+ /* If bcd is not in BCD format, just increment */
+ if (max > 0x9) {
+ *bcd += inc;
+ return init;
+ }
+
+ /* Convert BCD to Decimal */
+ for (i=0 ; i < chars ; i++) {
+ c = (*bcd >> (i << 2)) & 0xf;
+ c = c > 9 ? 9 : c; /* force to bcd just in case */
+ for (j=0 ; j < i ; j++)
+ c = c * 10;
+ dec += c;
+ }
+
+ /* Do our increment/decrement */
+ dec += inc;
+ *bcd = 0;
+
+ /* Convert back to BCD */
+ for (i=0 ; i < chars ; i++) {
+ for (c=1,j=0 ; j < i ; j++)
+ c = c * 10;
+ c = (dec / c) % 10;
+ *bcd += c << (i << 2);
+ }
+ return init;
+}
+
+static void do_usb_entry_multi(void *symval, struct module *mod)
+{
+ unsigned int devlo, devhi;
+ unsigned char chi, clo, max;
+ int ndigits;
+
+ DEF_FIELD(symval, usb_device_id, match_flags);
+ DEF_FIELD(symval, usb_device_id, idVendor);
+ DEF_FIELD(symval, usb_device_id, idProduct);
+ DEF_FIELD(symval, usb_device_id, bcdDevice_lo);
+ DEF_FIELD(symval, usb_device_id, bcdDevice_hi);
+ DEF_FIELD(symval, usb_device_id, bDeviceClass);
+ DEF_FIELD(symval, usb_device_id, bInterfaceClass);
+
+ devlo = match_flags & USB_DEVICE_ID_MATCH_DEV_LO ?
+ bcdDevice_lo : 0x0U;
+ devhi = match_flags & USB_DEVICE_ID_MATCH_DEV_HI ?
+ bcdDevice_hi : ~0x0U;
+
+ /* Figure out if this entry is in bcd or hex format */
+ max = 0x9; /* Default to decimal format */
+ for (ndigits = 0 ; ndigits < sizeof(bcdDevice_lo) * 2 ; ndigits++) {
+ clo = (devlo >> (ndigits << 2)) & 0xf;
+ chi = ((devhi > 0x9999 ? 0x9999 : devhi) >> (ndigits << 2)) & 0xf;
+ if (clo > max || chi > max) {
+ max = 0xf;
+ break;
+ }
+ }
+
+ /*
+ * Some modules (visor) have empty slots as placeholder for
+ * run-time specification that results in catch-all alias
+ */
+ if (!(idVendor | idProduct | bDeviceClass | bInterfaceClass))
+ return;
+
+ /* Convert numeric bcdDevice range into fnmatch-able pattern(s) */
+ for (ndigits = sizeof(bcdDevice_lo) * 2 - 1; devlo <= devhi; ndigits--) {
+ clo = devlo & 0xf;
+ chi = devhi & 0xf;
+ if (chi > max) /* If we are in bcd mode, truncate if necessary */
+ chi = max;
+ devlo >>= 4;
+ devhi >>= 4;
+
+ if (devlo == devhi || !ndigits) {
+ do_usb_entry(symval, devlo, ndigits, clo, chi, max, mod);
+ break;
+ }
+
+ if (clo > 0x0)
+ do_usb_entry(symval,
+ incbcd(&devlo, 1, max,
+ sizeof(bcdDevice_lo) * 2),
+ ndigits, clo, max, max, mod);
+
+ if (chi < max)
+ do_usb_entry(symval,
+ incbcd(&devhi, -1, max,
+ sizeof(bcdDevice_lo) * 2),
+ ndigits, 0x0, chi, max, mod);
+ }
+}
+
+static void do_usb_table(void *symval, unsigned long size,
+ struct module *mod)
+{
+ unsigned int i;
+ const unsigned long id_size = SIZE_usb_device_id;
+
+ device_id_check(mod->name, "usb", size, id_size, symval);
+
+ /* Leave last one: it's the terminator. */
+ size -= id_size;
+
+ for (i = 0; i < size; i += id_size)
+ do_usb_entry_multi(symval + i, mod);
+}
+
+static void do_of_entry_multi(void *symval, struct module *mod)
+{
+ char alias[500];
+ 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 = '_';
+
+ buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias);
+ strcat(alias, "C");
+ add_wildcard(alias);
+ buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"%s\");\n", alias);
+}
+
+static void do_of_table(void *symval, unsigned long size,
+ struct module *mod)
+{
+ unsigned int i;
+ const unsigned long id_size = SIZE_of_device_id;
+
+ device_id_check(mod->name, "of", size, id_size, symval);
+
+ /* Leave last one: it's the terminator. */
+ size -= id_size;
+
+ for (i = 0; i < size; i += id_size)
+ do_of_entry_multi(symval + i, mod);
+}
+
+/* Looks like: hid:bNvNpN */
+static int do_hid_entry(const char *filename,
+ void *symval, char *alias)
+{
+ DEF_FIELD(symval, hid_device_id, bus);
+ DEF_FIELD(symval, hid_device_id, group);
+ DEF_FIELD(symval, hid_device_id, vendor);
+ DEF_FIELD(symval, hid_device_id, product);
+
+ sprintf(alias, "hid:");
+ ADD(alias, "b", bus != HID_BUS_ANY, bus);
+ ADD(alias, "g", group != HID_GROUP_ANY, group);
+ ADD(alias, "v", vendor != HID_ANY_ID, vendor);
+ ADD(alias, "p", product != HID_ANY_ID, product);
+
+ return 1;
+}
+
+/* Looks like: ieee1394:venNmoNspNverN */
+static int do_ieee1394_entry(const char *filename,
+ void *symval, char *alias)
+{
+ DEF_FIELD(symval, ieee1394_device_id, match_flags);
+ DEF_FIELD(symval, ieee1394_device_id, vendor_id);
+ DEF_FIELD(symval, ieee1394_device_id, model_id);
+ DEF_FIELD(symval, ieee1394_device_id, specifier_id);
+ DEF_FIELD(symval, ieee1394_device_id, version);
+
+ strcpy(alias, "ieee1394:");
+ ADD(alias, "ven", match_flags & IEEE1394_MATCH_VENDOR_ID,
+ vendor_id);
+ ADD(alias, "mo", match_flags & IEEE1394_MATCH_MODEL_ID,
+ model_id);
+ ADD(alias, "sp", match_flags & IEEE1394_MATCH_SPECIFIER_ID,
+ specifier_id);
+ ADD(alias, "ver", match_flags & IEEE1394_MATCH_VERSION,
+ version);
+
+ add_wildcard(alias);
+ return 1;
+}
+
+/* Looks like: pci:vNdNsvNsdNbcNscNiN or <prefix>_pci:vNdNsvNsdNbcNscNiN. */
+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,
+ baseclass_mask, subclass_mask, interface_mask;
+
+ 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);
+ DEF_FIELD(symval, pci_device_id, class);
+ DEF_FIELD(symval, pci_device_id, class_mask);
+ DEF_FIELD(symval, pci_device_id, override_only);
+
+ switch (override_only) {
+ case 0:
+ strcpy(alias, "pci:");
+ break;
+ case PCI_ID_F_VFIO_DRIVER_OVERRIDE:
+ strcpy(alias, "vfio_pci:");
+ break;
+ default:
+ warn("Unknown PCI driver_override alias %08X\n",
+ override_only);
+ return 0;
+ }
+
+ ADD(alias, "v", vendor != PCI_ANY_ID, vendor);
+ ADD(alias, "d", device != PCI_ANY_ID, device);
+ ADD(alias, "sv", subvendor != PCI_ANY_ID, subvendor);
+ ADD(alias, "sd", subdevice != PCI_ANY_ID, subdevice);
+
+ baseclass = (class) >> 16;
+ baseclass_mask = (class_mask) >> 16;
+ subclass = (class) >> 8;
+ subclass_mask = (class_mask) >> 8;
+ interface = class;
+ interface_mask = class_mask;
+
+ if ((baseclass_mask != 0 && baseclass_mask != 0xFF)
+ || (subclass_mask != 0 && subclass_mask != 0xFF)
+ || (interface_mask != 0 && interface_mask != 0xFF)) {
+ warn("Can't handle masks in %s:%04X\n",
+ 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;
+}
+
+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;
+}
+
+static int do_i3c_entry(const char *filename, void *symval,
+ char *alias)
+{
+ DEF_FIELD(symval, i3c_device_id, match_flags);
+ DEF_FIELD(symval, i3c_device_id, dcr);
+ DEF_FIELD(symval, i3c_device_id, manuf_id);
+ DEF_FIELD(symval, i3c_device_id, part_id);
+ DEF_FIELD(symval, i3c_device_id, extra_info);
+
+ strcpy(alias, "i3c:");
+ ADD(alias, "dcr", match_flags & I3C_MATCH_DCR, dcr);
+ ADD(alias, "manuf", match_flags & I3C_MATCH_MANUF, manuf_id);
+ ADD(alias, "part", match_flags & I3C_MATCH_PART, part_id);
+ ADD(alias, "ext", match_flags & I3C_MATCH_EXTRA_INFO, extra_info);
+
+ 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 },
+ { "br", DMI_BIOS_RELEASE },
+ { "efr", DMI_EC_FIRMWARE_RELEASE },
+ { "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:mNpNvNcN */
+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);
+ DEF_FIELD(symval, sdw_device_id, sdw_version);
+ DEF_FIELD(symval, sdw_device_id, class_id);
+
+ strcpy(alias, "sdw:");
+ ADD(alias, "m", mfg_id != 0, mfg_id);
+ ADD(alias, "p", part_id != 0, part_id);
+ ADD(alias, "v", sdw_version != 0, sdw_version);
+ ADD(alias, "c", class_id != 0, class_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;
+}
+
+/* Looks like: tee:uuid */
+static int do_tee_entry(const char *filename, void *symval, char *alias)
+{
+ DEF_FIELD_ADDR(symval, tee_client_device_id, uuid);
+
+ sprintf(alias, "tee:%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ uuid->b[0], uuid->b[1], uuid->b[2], uuid->b[3], uuid->b[4],
+ uuid->b[5], uuid->b[6], uuid->b[7], uuid->b[8], uuid->b[9],
+ uuid->b[10], uuid->b[11], uuid->b[12], uuid->b[13], uuid->b[14],
+ uuid->b[15]);
+
+ add_wildcard(alias);
+ return 1;
+}
+
+/* Looks like: wmi:guid */
+static int do_wmi_entry(const char *filename, void *symval, char *alias)
+{
+ int len;
+ DEF_FIELD_ADDR(symval, wmi_device_id, guid_string);
+
+ if (strlen(*guid_string) != UUID_STRING_LEN) {
+ warn("Invalid WMI device id 'wmi:%s' in '%s'\n",
+ *guid_string, filename);
+ return 0;
+ }
+
+ len = snprintf(alias, ALIAS_SIZE, WMI_MODULE_PREFIX "%s", *guid_string);
+ if (len < 0 || len >= ALIAS_SIZE) {
+ warn("Could not generate all MODULE_ALIAS's in '%s'\n",
+ filename);
+ return 0;
+ }
+ return 1;
+}
+
+/* Looks like: mhi:S */
+static int do_mhi_entry(const char *filename, void *symval, char *alias)
+{
+ DEF_FIELD_ADDR(symval, mhi_device_id, chan);
+ sprintf(alias, MHI_DEVICE_MODALIAS_FMT, *chan);
+ return 1;
+}
+
+/* Looks like: mhi_ep:S */
+static int do_mhi_ep_entry(const char *filename, void *symval, char *alias)
+{
+ DEF_FIELD_ADDR(symval, mhi_device_id, chan);
+ sprintf(alias, MHI_EP_DEVICE_MODALIAS_FMT, *chan);
+
+ return 1;
+}
+
+/* Looks like: ishtp:{guid} */
+static int do_ishtp_entry(const char *filename, void *symval, char *alias)
+{
+ DEF_FIELD_ADDR(symval, ishtp_device_id, guid);
+
+ strcpy(alias, ISHTP_MODULE_PREFIX "{");
+ add_guid(alias, *guid);
+ strcat(alias, "}");
+
+ return 1;
+}
+
+static int do_auxiliary_entry(const char *filename, void *symval, char *alias)
+{
+ DEF_FIELD_ADDR(symval, auxiliary_device_id, name);
+ sprintf(alias, AUXILIARY_MODULE_PREFIX "%s", *name);
+
+ return 1;
+}
+
+/*
+ * Looks like: ssam:dNcNtNiNfN
+ *
+ * N is exactly 2 digits, where each is an upper-case hex digit.
+ */
+static int do_ssam_entry(const char *filename, void *symval, char *alias)
+{
+ DEF_FIELD(symval, ssam_device_id, match_flags);
+ DEF_FIELD(symval, ssam_device_id, domain);
+ DEF_FIELD(symval, ssam_device_id, category);
+ DEF_FIELD(symval, ssam_device_id, target);
+ DEF_FIELD(symval, ssam_device_id, instance);
+ DEF_FIELD(symval, ssam_device_id, function);
+
+ sprintf(alias, "ssam:d%02Xc%02X", domain, category);
+ ADD(alias, "t", match_flags & SSAM_MATCH_TARGET, target);
+ ADD(alias, "i", match_flags & SSAM_MATCH_INSTANCE, instance);
+ ADD(alias, "f", match_flags & SSAM_MATCH_FUNCTION, function);
+
+ return 1;
+}
+
+/* Looks like: dfl:tNfN */
+static int do_dfl_entry(const char *filename, void *symval, char *alias)
+{
+ DEF_FIELD(symval, dfl_device_id, type);
+ DEF_FIELD(symval, dfl_device_id, feature_id);
+
+ sprintf(alias, "dfl:t%04Xf%04X", type, feature_id);
+
+ add_wildcard(alias);
+ return 1;
+}
+
+/* Looks like: cdx:vNdN */
+static int do_cdx_entry(const char *filename, void *symval,
+ char *alias)
+{
+ DEF_FIELD(symval, cdx_device_id, vendor);
+ DEF_FIELD(symval, cdx_device_id, device);
+ DEF_FIELD(symval, cdx_device_id, override_only);
+
+ switch (override_only) {
+ case 0:
+ strcpy(alias, "cdx:");
+ break;
+ case CDX_ID_F_VFIO_DRIVER_OVERRIDE:
+ strcpy(alias, "vfio_cdx:");
+ break;
+ default:
+ warn("Unknown CDX driver_override alias %08X\n",
+ override_only);
+ return 0;
+ }
+
+ ADD(alias, "v", vendor != CDX_ANY_ID, vendor);
+ ADD(alias, "d", device != CDX_ANY_ID, device);
+ 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[ALIAS_SIZE];
+
+ 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},
+ {"i3c", SIZE_i3c_device_id, do_i3c_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},
+ {"tee", SIZE_tee_client_device_id, do_tee_entry},
+ {"wmi", SIZE_wmi_device_id, do_wmi_entry},
+ {"mhi", SIZE_mhi_device_id, do_mhi_entry},
+ {"mhi_ep", SIZE_mhi_device_id, do_mhi_ep_entry},
+ {"auxiliary", SIZE_auxiliary_device_id, do_auxiliary_entry},
+ {"ssam", SIZE_ssam_device_id, do_ssam_entry},
+ {"dfl", SIZE_dfl_device_id, do_dfl_entry},
+ {"ishtp", SIZE_ishtp_device_id, do_ishtp_entry},
+ {"cdx", SIZE_cdx_device_id, do_cdx_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 = sym_get_data(info, sym);
+ }
+
+ /* 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, "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);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 04:53:06 +0000