Commit cffcf228 authored by Yizhen Fan's avatar Yizhen Fan Committed by fanyizhen1995
Browse files

ub: support set client ctx data in ubcore 



driver inclusion
category: feature
bugzilla: NA
CVE: NA

--------------------------------

Add ubcore_set_client_ctx_data api
which support set ubcore client ctx data.

Uburma use this api to set its device structure in ubcore ctx.

Signed-off-by: default avatarGuoxin Qian <qianguoxin@huawei.com>
Signed-off-by: default avatarYizhen Fan <fanyizhen@huawei.com>
parent 87455c98

drivers/ub/urma/ubcore/ubcore_device.c

+47 −0
Original line number Diff line number Diff line
@@ -46,6 +46,53 @@ static LIST_HEAD(g_device_list); 
static DEFINE_MUTEX(g_device_mutex);

static DECLARE_RWSEM(g_lists_rwsem);



void ubcore_set_client_ctx_data(struct ubcore_device *dev, const struct ubcore_client *client,

				void *data)

{

	struct ubcore_client_ctx *ctx;

	unsigned long flags;



	spin_lock_irqsave(&dev->client_ctx_lock, flags);

	list_for_each_entry(ctx, &dev->client_ctx_list, list_node) {

		if (ctx->client == client) {

			ctx->data = data;

			goto out;

		}

	}

	ubcore_log_err("no client ctx found, device_name: %s, client_name: %s.\n", dev->dev_name,

		       client->client_name);



out:

	spin_unlock_irqrestore(&dev->client_ctx_lock, flags);

}

EXPORT_SYMBOL(ubcore_set_client_ctx_data);



void *ubcore_get_client_ctx_data(struct ubcore_device *dev, const struct ubcore_client *client)

{

	struct ubcore_client_ctx *found_ctx = NULL;

	struct ubcore_client_ctx *ctx, *tmp;

	unsigned long flags;



	spin_lock_irqsave(&dev->client_ctx_lock, flags);

	list_for_each_entry_safe(ctx, tmp, &dev->client_ctx_list, list_node) {

		if (ctx->client == client) {

			found_ctx = ctx;

			break;

		}

	}



	if (found_ctx == NULL) {

		spin_unlock_irqrestore(&dev->client_ctx_lock, flags);

		ubcore_log_warn("no client ctx found, dev_name: %s, client_name: %s.\n",

				dev->dev_name, client->client_name);

		return NULL;

	}

	spin_unlock_irqrestore(&dev->client_ctx_lock, flags);



	return found_ctx->data;

}

EXPORT_SYMBOL(ubcore_get_client_ctx_data);



static struct ubcore_client_ctx *create_client_ctx(struct ubcore_device *dev,

						   struct ubcore_client *client)

{

drivers/ub/urma/uburma/uburma_main.c

+1 −0
Original line number Diff line number Diff line
@@ -171,6 +171,7 @@ static int uburma_add_device(struct ubcore_device *ubc_dev) 
		goto err;

	}



	ubcore_set_client_ctx_data(ubc_dev, &g_urma_client, ubu_dev);

	return 0;



err:

include/urma/ubcore_uapi.h

+16 −0
Original line number Diff line number Diff line
@@ -39,6 +39,22 @@ int ubcore_set_eid(struct ubcore_device *dev, union ubcore_eid *eid); 
 * @return: 0 on success, other value on error

 */

int ubcore_query_device_attr(struct ubcore_device *dev, struct ubcore_device_attr *attr);

/**

 * set ctx data of a client

 * @param[in] dev: the ubcore_device handle;

 * @param[in] client: ubcore client pointer

 * @param[in] data: client private data to be set

 * @return: 0 on success, other value on error

 */

void ubcore_set_client_ctx_data(struct ubcore_device *dev, const struct ubcore_client *client,

				void *data);

/**

 * get ctx data of a client

 * @param[in] dev: the ubcore_device handle;

 * @param[in] client: ubcore client pointer

 * @return: client private data set before

 */

void *ubcore_get_client_ctx_data(struct ubcore_device *dev, const struct ubcore_client *client);

/**

 * Register a new client to ubcore

 * @param[in] dev: the ubcore_device handle;