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path: root/drivers/base/firmware_loader/firmware.h
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Diffstat (limited to 'drivers/base/firmware_loader/firmware.h')
-rw-r--r--drivers/base/firmware_loader/firmware.h46
1 files changed, 43 insertions, 3 deletions
diff --git a/drivers/base/firmware_loader/firmware.h b/drivers/base/firmware_loader/firmware.h
index 63bd29fdcb9c..e891742ba264 100644
--- a/drivers/base/firmware_loader/firmware.h
+++ b/drivers/base/firmware_loader/firmware.h
@@ -9,8 +9,6 @@
#include <linux/list.h>
#include <linux/completion.h>
-#include <generated/utsrelease.h>
-
/**
* enum fw_opt - options to control firmware loading behaviour
*
@@ -87,6 +85,8 @@ struct fw_priv {
};
extern struct mutex fw_lock;
+extern struct firmware_cache fw_cache;
+extern bool fw_load_abort_all;
static inline bool __fw_state_check(struct fw_priv *fw_priv,
enum fw_status status)
@@ -117,8 +117,16 @@ static inline void __fw_state_set(struct fw_priv *fw_priv,
WRITE_ONCE(fw_st->status, status);
- if (status == FW_STATUS_DONE || status == FW_STATUS_ABORTED)
+ if (status == FW_STATUS_DONE || status == FW_STATUS_ABORTED) {
+#ifdef CONFIG_FW_LOADER_USER_HELPER
+ /*
+ * Doing this here ensures that the fw_priv is deleted from
+ * the pending list in all abort/done paths.
+ */
+ list_del_init(&fw_priv->pending_list);
+#endif
complete_all(&fw_st->completion);
+ }
}
static inline void fw_state_aborted(struct fw_priv *fw_priv)
@@ -141,7 +149,39 @@ static inline void fw_state_done(struct fw_priv *fw_priv)
__fw_state_set(fw_priv, FW_STATUS_DONE);
}
+static inline bool fw_state_is_done(struct fw_priv *fw_priv)
+{
+ return __fw_state_check(fw_priv, FW_STATUS_DONE);
+}
+
+static inline bool fw_state_is_loading(struct fw_priv *fw_priv)
+{
+ return __fw_state_check(fw_priv, FW_STATUS_LOADING);
+}
+
+int alloc_lookup_fw_priv(const char *fw_name, struct firmware_cache *fwc,
+ struct fw_priv **fw_priv, void *dbuf, size_t size,
+ size_t offset, u32 opt_flags);
int assign_fw(struct firmware *fw, struct device *device);
+void free_fw_priv(struct fw_priv *fw_priv);
+void fw_state_init(struct fw_priv *fw_priv);
+
+#ifdef CONFIG_FW_LOADER
+bool firmware_is_builtin(const struct firmware *fw);
+bool firmware_request_builtin_buf(struct firmware *fw, const char *name,
+ void *buf, size_t size);
+#else /* module case */
+static inline bool firmware_is_builtin(const struct firmware *fw)
+{
+ return false;
+}
+static inline bool firmware_request_builtin_buf(struct firmware *fw,
+ const char *name,
+ void *buf, size_t size)
+{
+ return false;
+}
+#endif
#ifdef CONFIG_FW_LOADER_PAGED_BUF
void fw_free_paged_buf(struct fw_priv *fw_priv);