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Ensure that cache name is set and unique

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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
2019-07-20 12:49:57 +02:00
parent 331b99397f
commit 901b39031f
4 changed files with 75 additions and 15 deletions
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4
inc/ocf_err.h
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@@ -57,10 +57,10 @@ typedef enum {
/** Start cache failure */
OCF_ERR_START_CACHE_FAIL,
/** Cache ID does not exist */
/** Cache ID/name does not exist */
OCF_ERR_CACHE_NOT_EXIST,
/** Cache ID already exists */
/** Cache ID/name already exists */
OCF_ERR_CACHE_EXIST,
/** Too many core devices in cache */

23
inc/ocf_mngt.h
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@@ -101,6 +101,22 @@ uint32_t ocf_mngt_cache_get_count(ocf_ctx_t ctx);
*/
int ocf_mngt_cache_get_by_id(ocf_ctx_t ctx, ocf_cache_id_t id, ocf_cache_t *cache);
/**
* @brief Get OCF cache by name
*
* @note This function on success also increases reference counter
* in given cache
*
* @param[in] ctx OCF context
* @param[in] name OCF cache name
* @param[out] cache OCF cache handle
*
* @retval 0 Get cache successfully
* @retval -OCF_ERR_CACHE_NOT_EXIST Cache with given name doesn't exist
*/
int ocf_mngt_cache_get_by_name(ocf_ctx_t ctx, const char* name,
ocf_cache_t *cache);
/**
* @brief Increment reference counter of cache
*
@@ -247,8 +263,7 @@ struct ocf_mngt_cache_config {
ocf_cache_id_t id;
/**
* @brief Cache name. In case of being NULL, cache id is stringified to
* cache name
* @brief Cache name
*/
const char *name;
@@ -309,13 +324,15 @@ struct ocf_mngt_cache_config {
/**
* @brief Initialize core config to default values
*
* @note This function doesn't initialize name field which has no default
* value and is required to be set by user.
*
* @param[in] cfg Cache config stucture
*/
static inline void ocf_mngt_cache_config_set_default(
struct ocf_mngt_cache_config *cfg)
{
cfg->id = OCF_CACHE_ID_INVALID;
cfg->name = NULL;
cfg->cache_mode = ocf_cache_mode_default;
cfg->eviction_policy = ocf_eviction_default;
cfg->promotion_policy = ocf_promotion_default;