ASoC: Intel: Skylake: Switch to modern UUID API

Switch the driver to use modern UUID API, i.e. guid_t type and
accompanying functions, such as guid_equal().

Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/skylake/skl-pcm.c

@@ -1319,12 +1319,12 @@ static int skl_get_module_info(struct skl *skl, struct skl_module_cfg *mconfig)
 {
 	struct skl_sst *ctx = skl->skl_sst;
 	struct skl_module_inst_id *pin_id;
-	uuid_le *uuid_mod, *uuid_tplg;
+	guid_t *uuid_mod, *uuid_tplg;
 	struct skl_module *skl_module;
 	struct uuid_module *module;
 	int i, ret = -EIO;
 
-	uuid_mod = (uuid_le *)mconfig->guid;
+	uuid_mod = (guid_t *)mconfig->guid;
 
 	if (list_empty(&ctx->uuid_list)) {
 		dev_err(ctx->dev, "Module list is empty\n");
@@ -1332,7 +1332,7 @@ static int skl_get_module_info(struct skl *skl, struct skl_module_cfg *mconfig)
 	}
 
 	list_for_each_entry(module, &ctx->uuid_list, list) {
-		if (uuid_le_cmp(*uuid_mod, module->uuid) == 0) {
+		if (guid_equal(uuid_mod, &module->uuid)) {
 			mconfig->id.module_id = module->id;
 			if (mconfig->module)
 				mconfig->module->loadable = module->is_loadable;
@@ -1349,7 +1349,7 @@ static int skl_get_module_info(struct skl *skl, struct skl_module_cfg *mconfig)
 	for (i = 0; i < skl->nr_modules; i++) {
 		skl_module = skl->modules[i];
 		uuid_tplg = &skl_module->uuid;
-		if (!uuid_le_cmp(*uuid_mod, *uuid_tplg)) {
+		if (guid_equal(uuid_mod, uuid_tplg)) {
 			mconfig->module = skl_module;
 			ret = 0;
 			break;
@@ -1361,13 +1361,13 @@ static int skl_get_module_info(struct skl *skl, struct skl_module_cfg *mconfig)
 	list_for_each_entry(module, &ctx->uuid_list, list) {
 		for (i = 0; i < MAX_IN_QUEUE; i++) {
 			pin_id = &mconfig->m_in_pin[i].id;
-			if (!uuid_le_cmp(pin_id->mod_uuid, module->uuid))
+			if (guid_equal(&pin_id->mod_uuid, &module->uuid))
 				pin_id->module_id = module->id;
 		}
 
 		for (i = 0; i < MAX_OUT_QUEUE; i++) {
 			pin_id = &mconfig->m_out_pin[i].id;
-			if (!uuid_le_cmp(pin_id->mod_uuid, module->uuid))
+			if (guid_equal(&pin_id->mod_uuid, &module->uuid))
 				pin_id->module_id = module->id;
 		}
 	}

sound/soc/intel/skylake/skl-sst-dsp.h

@@ -177,7 +177,7 @@ struct skl_dsp_loader_ops {
 #define MAX_INSTANCE_BUFF 2
 
 struct uuid_module {
-	uuid_le uuid;
+	guid_t uuid;
 	int id;
 	int is_loadable;
 	int max_instance;
@@ -241,8 +241,8 @@ void bxt_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx);
 
 int snd_skl_parse_uuids(struct sst_dsp *ctx, const struct firmware *fw,
 				unsigned int offset, int index);
-int skl_get_pvt_id(struct skl_sst *ctx, uuid_le *uuid_mod, int instance_id);
-int skl_put_pvt_id(struct skl_sst *ctx, uuid_le *uuid_mod, int *pvt_id);
+int skl_get_pvt_id(struct skl_sst *ctx, guid_t *uuid_mod, int instance_id);
+int skl_put_pvt_id(struct skl_sst *ctx, guid_t *uuid_mod, int *pvt_id);
 int skl_get_pvt_instance_id_map(struct skl_sst *ctx,
 				int module_id, int instance_id);
 void skl_freeup_uuid_list(struct skl_sst *ctx);

sound/soc/intel/skylake/skl-sst-utils.c

@@ -21,17 +21,11 @@
 #include "../common/sst-dsp-priv.h"
 #include "skl-sst-ipc.h"
 
-
-#define UUID_STR_SIZE 37
 #define DEFAULT_HASH_SHA256_LEN 32
 
 /* FW Extended Manifest Header id = $AE1 */
 #define SKL_EXT_MANIFEST_HEADER_MAGIC   0x31454124
 
-struct UUID {
-	u8 id[16];
-};
-
 union seg_flags {
 	u32 ul;
 	struct {
@@ -65,7 +59,7 @@ struct module_type {
 struct adsp_module_entry {
 	u32 struct_id;
 	u8  name[8];
-	struct UUID uuid;
+	u8  uuid[16];
 	struct module_type type;
 	u8  hash1[DEFAULT_HASH_SHA256_LEN];
 	u32 entry_point;
@@ -184,13 +178,13 @@ static inline int skl_pvtid_128(struct uuid_module *module)
  * This generates a 128 bit private unique id for a module TYPE so that
  * module instance is unique
  */
-int skl_get_pvt_id(struct skl_sst *ctx, uuid_le *uuid_mod, int instance_id)
+int skl_get_pvt_id(struct skl_sst *ctx, guid_t *uuid_mod, int instance_id)
 {
 	struct uuid_module *module;
 	int pvt_id;
 
 	list_for_each_entry(module, &ctx->uuid_list, list) {
-		if (uuid_le_cmp(*uuid_mod, module->uuid) == 0) {
+		if (guid_equal(uuid_mod, &module->uuid)) {
 
 			pvt_id = skl_pvtid_128(module);
 			if (pvt_id >= 0) {
@@ -214,13 +208,13 @@ EXPORT_SYMBOL_GPL(skl_get_pvt_id);
  *
  * This frees a 128 bit private unique id previously generated
  */
-int skl_put_pvt_id(struct skl_sst *ctx, uuid_le *uuid_mod, int *pvt_id)
+int skl_put_pvt_id(struct skl_sst *ctx, guid_t *uuid_mod, int *pvt_id)
 {
 	int i;
 	struct uuid_module *module;
 
 	list_for_each_entry(module, &ctx->uuid_list, list) {
-		if (uuid_le_cmp(*uuid_mod, module->uuid) == 0) {
+		if (guid_equal(uuid_mod, &module->uuid)) {
 
 			if (*pvt_id != 0)
 				i = (*pvt_id) / 64;
@@ -247,7 +241,6 @@ int snd_skl_parse_uuids(struct sst_dsp *ctx, const struct firmware *fw,
 	struct adsp_fw_hdr *adsp_hdr;
 	struct adsp_module_entry *mod_entry;
 	int i, num_entry, size;
-	uuid_le *uuid_bin;
 	const char *buf;
 	struct skl_sst *skl = ctx->thread_context;
 	struct uuid_module *module;
@@ -279,8 +272,7 @@ int snd_skl_parse_uuids(struct sst_dsp *ctx, const struct firmware *fw,
 		return -EINVAL;
 	}
 
-	mod_entry = (struct adsp_module_entry *)
-		(buf + offset + adsp_hdr->len);
+	mod_entry = (struct adsp_module_entry *)(buf + offset + adsp_hdr->len);
 
 	num_entry = adsp_hdr->num_modules;
 
@@ -307,8 +299,7 @@ int snd_skl_parse_uuids(struct sst_dsp *ctx, const struct firmware *fw,
 			goto free_uuid_list;
 		}
 
-		uuid_bin = (uuid_le *)mod_entry->uuid.id;
-		memcpy(&module->uuid, uuid_bin, sizeof(module->uuid));
+		guid_copy(&module->uuid, (guid_t *)&mod_entry->uuid);
 
 		module->id = (i | (index << 12));
 		module->is_loadable = mod_entry->type.load_type;

sound/soc/intel/skylake/skl-sst.c

@@ -420,11 +420,9 @@ static int skl_load_module(struct sst_dsp *ctx, u16 mod_id, u8 *guid)
 	struct skl_module_table *module_entry = NULL;
 	int ret = 0;
 	char mod_name[64]; /* guid str = 32 chars + 4 hyphens */
-	uuid_le *uuid_mod;
 
-	uuid_mod = (uuid_le *)guid;
 	snprintf(mod_name, sizeof(mod_name), "%s%pUL%s",
-				"intel/dsp_fw_", uuid_mod, ".bin");
+					     "intel/dsp_fw_", guid, ".bin");
 
 	module_entry = skl_module_get_from_id(ctx, mod_id);
 	if (module_entry == NULL) {

sound/soc/intel/skylake/skl-topology.c

@@ -580,7 +580,7 @@ skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe)
 	int ret = 0;
 
 	list_for_each_entry(w_module, &pipe->w_list, node) {
-		uuid_le *uuid_mod;
+		guid_t *uuid_mod;
 		w = w_module->w;
 		mconfig = w->priv;
 
@@ -588,7 +588,7 @@ skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe)
 		if (mconfig->id.module_id < 0) {
 			dev_err(skl->skl_sst->dev,
 					"module %pUL id not populated\n",
-					(uuid_le *)mconfig->guid);
+					(guid_t *)mconfig->guid);
 			return -EIO;
 		}
 
@@ -622,7 +622,7 @@ skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe)
 		 * FE/BE params
 		 */
 		skl_tplg_update_module_params(w, ctx);
-		uuid_mod = (uuid_le *)mconfig->guid;
+		uuid_mod = (guid_t *)mconfig->guid;
 		mconfig->id.pvt_id = skl_get_pvt_id(ctx, uuid_mod,
 						mconfig->id.instance_id);
 		if (mconfig->id.pvt_id < 0)
@@ -661,9 +661,9 @@ static int skl_tplg_unload_pipe_modules(struct skl_sst *ctx,
 	struct skl_module_cfg *mconfig = NULL;
 
 	list_for_each_entry(w_module, &pipe->w_list, node) {
-		uuid_le *uuid_mod;
+		guid_t *uuid_mod;
 		mconfig  = w_module->w->priv;
-		uuid_mod = (uuid_le *)mconfig->guid;
+		uuid_mod = (guid_t *)mconfig->guid;
 
 		if (mconfig->module->loadable && ctx->dsp->fw_ops.unload_mod &&
 			mconfig->m_state > SKL_MODULE_UNINIT) {
@@ -918,12 +918,12 @@ static int skl_tplg_set_module_bind_params(struct snd_soc_dapm_widget *w,
 	return 0;
 }
 
-static int skl_get_module_id(struct skl_sst *ctx, uuid_le *uuid)
+static int skl_get_module_id(struct skl_sst *ctx, guid_t *uuid)
 {
 	struct uuid_module *module;
 
 	list_for_each_entry(module, &ctx->uuid_list, list) {
-		if (uuid_le_cmp(*uuid, module->uuid) == 0)
+		if (guid_equal(uuid, &module->uuid))
 			return module->id;
 	}
 
@@ -2121,11 +2121,11 @@ static int skl_tplg_add_pipe(struct device *dev,
 	return 0;
 }
 
-static int skl_tplg_get_uuid(struct device *dev, u8 *guid,
+static int skl_tplg_get_uuid(struct device *dev, guid_t *guid,
 	      struct snd_soc_tplg_vendor_uuid_elem *uuid_tkn)
 {
 	if (uuid_tkn->token == SKL_TKN_UUID) {
-		memcpy(guid, &uuid_tkn->uuid, 16);
+		guid_copy(guid, (guid_t *)&uuid_tkn->uuid);
 		return 0;
 	}
 
@@ -2151,7 +2151,7 @@ static int skl_tplg_fill_pin(struct device *dev,
 		break;
 
 	case SKL_TKN_UUID:
-		ret = skl_tplg_get_uuid(dev, m_pin[pin_index].id.mod_uuid.b,
+		ret = skl_tplg_get_uuid(dev, &m_pin[pin_index].id.mod_uuid,
 			(struct snd_soc_tplg_vendor_uuid_elem *)tkn_elem);
 		if (ret < 0)
 			return ret;
@@ -2667,7 +2667,7 @@ static int skl_tplg_get_tokens(struct device *dev,
 
 		case SND_SOC_TPLG_TUPLE_TYPE_UUID:
 			if (is_module_guid) {
-				ret = skl_tplg_get_uuid(dev, mconfig->guid,
+				ret = skl_tplg_get_uuid(dev, (guid_t *)mconfig->guid,
 							array->uuid);
 				is_module_guid = false;
 			} else {
@@ -3486,7 +3486,7 @@ static int skl_tplg_get_manifest_uuid(struct device *dev,
 
 	if (uuid_tkn->token == SKL_TKN_UUID) {
 		mod = skl->modules[ref_count];
-		memcpy(&mod->uuid, &uuid_tkn->uuid, sizeof(uuid_tkn->uuid));
+		guid_copy(&mod->uuid, (guid_t *)&uuid_tkn->uuid);
 		ref_count++;
 	} else {
 		dev_err(dev, "Not an UUID token tkn %d\n", uuid_tkn->token);

sound/soc/intel/skylake/skl-topology.h

@@ -224,7 +224,7 @@ struct skl_mod_inst_map {
 struct skl_uuid_inst_map {
 	u16 inst_id;
 	u16 reserved;
-	uuid_le mod_uuid;
+	guid_t mod_uuid;
 } __packed;
 
 struct skl_kpb_params {
@@ -236,7 +236,7 @@ struct skl_kpb_params {
 };
 
 struct skl_module_inst_id {
-	uuid_le mod_uuid;
+	guid_t mod_uuid;
 	int module_id;
 	u32 instance_id;
 	int pvt_id;
@@ -369,7 +369,7 @@ struct skl_module_res {
 };
 
 struct skl_module {
-	uuid_le uuid;
+	guid_t uuid;
 	u8 loadable;
 	u8 input_pin_type;
 	u8 output_pin_type;