Audio: basefw: Implemented ipc4 libraries info get

Added support for ipc4 query no 16.
This makes it possible to get information about the current basefw library.

Signed-off-by: Grzegorz Bernat <grzegorzx.bernat@intel.com>

src/audio/base_fw.c

@@ -11,6 +11,8 @@
 #include <sof_versions.h>
 #include <sof/lib/cpu-clk-manager.h>
 #include <sof/lib/cpu.h>
+#include <sof/platform.h>
+#include <sof/lib_manager.h>
 #include <rtos/init.h>
 #include <platform/lib/clk.h>
 #if defined(CONFIG_SOC_SERIES_INTEL_ADSP_ACE)
@@ -419,6 +421,45 @@ static int basefw_power_state_info_get(uint32_t *data_offset, char *data)
 	return 0;
 }
 
+static int basefw_libraries_info_get(uint32_t *data_offset, char *data)
+{
+	struct ipc4_libraries_info *const libs_info = (struct ipc4_libraries_info *)data;
+	struct sof_man_fw_desc *desc = NULL;
+
+	libs_info->library_count = 0;
+
+	for (int lib_id = 0; lib_id < LIB_MANAGER_MAX_LIBS; ++lib_id) {
+
+		if (lib_id == 0)
+			desc = (struct sof_man_fw_desc *)IMR_BOOT_LDR_MANIFEST_BASE;
+		else
+			desc = lib_manager_get_library_module_desc(lib_id);
+
+		if (desc == NULL)
+			continue;
+
+		libs_info->libraries[libs_info->library_count].id = lib_id;
+		memcpy_s(libs_info->libraries[libs_info->library_count].name, SOF_MAN_FW_HDR_FW_NAME_LEN, desc->header.name,
+		       sizeof(desc->header.name));
+		libs_info->libraries[libs_info->library_count].major_version =
+			desc->header.major_version;
+		libs_info->libraries[libs_info->library_count].minor_version =
+			desc->header.minor_version;
+		libs_info->libraries[libs_info->library_count].hotfix_version =
+			desc->header.hotfix_version;
+		libs_info->libraries[libs_info->library_count].build_version =
+			desc->header.build_version;
+		libs_info->libraries[libs_info->library_count].num_module_entries =
+			desc->header.num_module_entries;
+
+		libs_info->library_count++;
+	}
+
+	*data_offset =
+		sizeof(uint32_t) + libs_info->library_count * sizeof(struct ipc4_library_props);
+	return 0;
+}
+
 static int fw_config_set_force_l1_exit(const struct sof_tlv *tlv)
 {
 #if defined(CONFIG_SOC_SERIES_INTEL_ADSP_ACE)
@@ -502,6 +543,7 @@ static int basefw_get_large_config(struct comp_dev *dev,
 	case IPC4_SCHEDULERS_INFO_GET:
 	case IPC4_GATEWAYS_INFO_GET:
 	case IPC4_LIBRARIES_INFO_GET:
+		return basefw_libraries_info_get(data_offset, data);
 	case IPC4_PERF_MEASUREMENTS_STATE:
 	case IPC4_GLOBAL_PERF_DATA:
 		COMPILER_FALLTHROUGH;

src/include/ipc4/base_fw.h

@@ -17,6 +17,8 @@
 #ifndef __SOF_IPC4_BASE_FW_H__
 #define __SOF_IPC4_BASE_FW_H__
 
+#include <rimage/sof/user/manifest.h>
+
 /* Three clk src states :low power XTAL,  low power ring
  * and high power ring oscillator
  */
@@ -637,6 +639,31 @@ enum ipc4_alh_version {
 	IPC4_ALH_CAVS_1_8 = 0x10000,
 };
 
+struct ipc4_library_props {
+	/* Library run-time identifier, depends on order of loading. */
+    /* Base FW is always reported with id 0. */
+	uint32_t id;
+	/* Name of the library. */
+	uint8_t name[SOF_MAN_FW_HDR_FW_NAME_LEN];
+	/* Major version of the library. */
+	uint16_t major_version;
+	/* Minor version of the library. */
+	uint16_t minor_version;
+	/* Hotfix version of the library. */
+	uint16_t hotfix_version;
+	/* Build version of the library. */
+	uint16_t build_version;
+	/* Number of modules packed into the library. */
+	uint32_t num_module_entries;
+} __attribute__((packed, aligned(4)));
+
+struct ipc4_libraries_info{
+	/* Specifies number of items in libraries array. */
+	uint32_t library_count;
+	/* Array of libraries properties. */
+	struct ipc4_library_props libraries[1];
+} __attribute__((packed, aligned(4)));
+
 struct ipc4_log_state_info {
 	/*
 	 * Specifies how frequently FW sends Log Buffer Status

src/include/sof/lib_manager.h

@@ -115,6 +115,9 @@ static inline struct lib_manager_mod_ctx *lib_manager_get_mod_ctx(int module_id)
 	uint32_t lib_id = LIB_MANAGER_GET_LIB_ID(module_id);
 	struct ext_library *_ext_lib = ext_lib_get();
 
+	if (_ext_lib == NULL)
+		return NULL;
+
 	return _ext_lib->desc[lib_id];
 }
 #endif