/*
* Register a firmware image with the specified name. The
* image name must not already be registered. If this is a
* subimage then parent refers to a previously registered
* image that this should be associated with.
*/
const struct firmware *
firmware_register(const char *imagename, const void *data, size_t datasize,
unsigned int version, const struct firmware *parent)
{
struct priv_fw *match, *frp;
char *str;
str = strdup(imagename, M_TEMP);
mtx_lock(&firmware_mtx);
/*
* Do a lookup to make sure the name is unique or find a free slot.
*/
match = lookup(imagename, &frp);
if (match != NULL) {
mtx_unlock(&firmware_mtx);
printf("%s: image %s already registered!\n",
__func__, imagename);
free(str, M_TEMP);
return NULL;
}
if (frp == NULL) {
mtx_unlock(&firmware_mtx);
printf("%s: cannot register image %s, firmware table full!\n",
__func__, imagename);
free(str, M_TEMP);
return NULL;
}
bzero(frp, sizeof(frp)); /* start from a clean record */
frp->fw.name = str;
frp->fw.data = data;
frp->fw.datasize = datasize;
frp->fw.version = version;
if (parent != NULL)
frp->parent = PRIV_FW(parent);
mtx_unlock(&firmware_mtx);
if (bootverbose)
printf("firmware: '%s' version %u: %zu bytes loaded at %p\n",
imagename, version, datasize, data);
return &frp->fw;
}
/*
* Register a firmware image with the specified name. The
* image name must not already be registered. If this is a
* subimage then parent refers to a previously registered
* image that this should be associated with.
*/
const struct firmware *
firmware_register(const char *imagename, const void *data, size_t datasize,
unsigned int version, const struct firmware *parent)
{
struct priv_fw *match, *frp;
lockmgr(&firmware_lock, LK_EXCLUSIVE);
/*
* Do a lookup to make sure the name is unique or find a free slot.
*/
match = lookup(imagename, &frp);
if (match != NULL) {
lockmgr(&firmware_lock, LK_RELEASE);
kprintf("%s: image %s already registered!\n",
__func__, imagename);
return NULL;
}
if (frp == NULL) {
lockmgr(&firmware_lock, LK_RELEASE);
kprintf("%s: cannot register image %s, firmware table full!\n",
__func__, imagename);
return NULL;
}
bzero(frp, sizeof(*frp)); /* start from a clean record */
frp->fw.name = imagename;
frp->fw.data = data;
frp->fw.datasize = datasize;
frp->fw.version = version;
if (parent != NULL) {
frp->parent = PRIV_FW(parent);
frp->parent->refcnt++;
}
lockmgr(&firmware_lock, LK_RELEASE);
if (bootverbose)
kprintf("firmware: '%s' version %u: %zu bytes loaded at %p\n",
imagename, version, datasize, data);
return &frp->fw;
}
