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| author | Rusty Russell <rusty@rustcorp.com.au> | 2007-10-22 11:03:39 +1000 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2007-10-23 15:49:55 +1000 |
| commit | b01d9f2863349b0e041b90c3c86a998ee0fed2b0 (patch) | |
| tree | 8789a06631a0ee502c58388d12c230eb4a2059b2 /scripts/mod/file2alias.c | |
| parent | 31610434bc3523c0b01a10917a1185096a03c4c8 (diff) | |
Module autoprobing support for virtio drivers.
This adds the logic to convert the virtio ids into module aliases, and
includes a modalias entry in sysfs and the env var to make probing work.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'scripts/mod/file2alias.c')
| -rw-r--r-- | scripts/mod/file2alias.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 91c15da2680..d802b5afae8 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -525,6 +525,20 @@ static int do_ssb_entry(const char *filename, return 1; } +/* Looks like: virtio:dNvN */ +static int do_virtio_entry(const char *filename, struct virtio_device_id *id, + char *alias) +{ + id->device = TO_NATIVE(id->device); + id->vendor = TO_NATIVE(id->vendor); + + strcpy(alias, "virtio:"); + ADD(alias, "d", 1, id->device); + ADD(alias, "v", id->vendor != VIRTIO_DEV_ANY_ID, id->vendor); + + return 1; +} + /* Ignore any prefix, eg. v850 prepends _ */ static inline int sym_is(const char *symbol, const char *name) { @@ -651,6 +665,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, do_table(symval, sym->st_size, sizeof(struct ssb_device_id), "ssb", do_ssb_entry, mod); + else if (sym_is(symname, "__mod_virtio_device_table")) + do_table(symval, sym->st_size, + sizeof(struct virtio_device_id), "virtio", + do_virtio_entry, mod); free(zeros); } |