X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Finclude%2Frte_memzone.h;h=f69b5a87b9b38cd3ac911f56ea7b82b09ae7a49c;hb=6a34f91690d0;hp=ee62680f1f3295dfc11f4c0a32ca12967aaef9ba;hpb=9e46f6c5d8823a7ac0ca17371d266ed0697158ad;p=dpdk.git

diff --git a/lib/librte_eal/common/include/rte_memzone.h b/lib/librte_eal/common/include/rte_memzone.h
index ee62680f1f..f69b5a87b9 100644
--- a/lib/librte_eal/common/include/rte_memzone.h
+++ b/lib/librte_eal/common/include/rte_memzone.h
@@ -60,8 +60,12 @@ extern "C" {
 
 #define RTE_MEMZONE_2MB            0x00000001   /**< Use 2MB pages. */
 #define RTE_MEMZONE_1GB            0x00000002   /**< Use 1GB pages. */
-#define RTE_MEMZONE_16MB            0x00000100   /**< Use 16MB pages. */
-#define RTE_MEMZONE_16GB            0x00000200   /**< Use 16GB pages. */
+#define RTE_MEMZONE_16MB           0x00000100   /**< Use 16MB pages. */
+#define RTE_MEMZONE_16GB           0x00000200   /**< Use 16GB pages. */
+#define RTE_MEMZONE_256KB          0x00010000   /**< Use 256KB pages. */
+#define RTE_MEMZONE_256MB          0x00020000   /**< Use 256MB pages. */
+#define RTE_MEMZONE_512MB          0x00040000   /**< Use 512MB pages. */
+#define RTE_MEMZONE_4GB            0x00080000   /**< Use 4GB pages. */
 #define RTE_MEMZONE_SIZE_HINT_ONLY 0x00000004   /**< Use available page size */
 
 /**
@@ -88,7 +92,7 @@ struct rte_memzone {
 	int32_t socket_id;                /**< NUMA socket ID. */
 
 	uint32_t flags;                   /**< Characteristics of this memzone. */
-	uint32_t memseg_id;             /** <store the memzone is from which memseg. */
+	uint32_t memseg_id;               /**< Memseg it belongs. */
 } __attribute__((__packed__));
 
 /**
@@ -96,7 +100,7 @@ struct rte_memzone {
  *
  * This function reserves some memory and returns a pointer to a
  * correctly filled memzone descriptor. If the allocation cannot be
- * done, return NULL. Note: A reserved zone cannot be freed.
+ * done, return NULL.
  *
  * @param name
  *   The name of the memzone. If it already exists, the function will
@@ -110,11 +114,15 @@ struct rte_memzone {
  *   constraint for the reserved zone.
  * @param flags
  *   The flags parameter is used to request memzones to be
- *   taken from 1GB or 2MB hugepages.
- *   - RTE_MEMZONE_2MB - Reserve from 2MB pages
- *   - RTE_MEMZONE_1GB - Reserve from 1GB pages
- *   - RTE_MEMZONE_16MB - Reserve from 16MB pages
- *   - RTE_MEMZONE_16GB - Reserve from 16GB pages
+ *   taken from specifically sized hugepages.
+ *   - RTE_MEMZONE_2MB - Reserved from 2MB pages
+ *   - RTE_MEMZONE_1GB - Reserved from 1GB pages
+ *   - RTE_MEMZONE_16MB - Reserved from 16MB pages
+ *   - RTE_MEMZONE_16GB - Reserved from 16GB pages
+ *   - RTE_MEMZONE_256KB - Reserved from 256KB pages
+ *   - RTE_MEMZONE_256MB - Reserved from 256MB pages
+ *   - RTE_MEMZONE_512MB - Reserved from 512MB pages
+ *   - RTE_MEMZONE_4GB - Reserved from 4GB pages
  *   - RTE_MEMZONE_SIZE_HINT_ONLY - Allow alternative page size to be used if
  *                                  the requested page size is unavailable.
  *                                  If this flag is not set, the function
@@ -143,7 +151,6 @@ const struct rte_memzone *rte_memzone_reserve(const char *name,
  * boundary, and returns a pointer to a correctly filled memzone
  * descriptor. If the allocation cannot be done or if the alignment
  * is not a power of 2, returns NULL.
- * Note: A reserved zone cannot be freed.
  *
  * @param name
  *   The name of the memzone. If it already exists, the function will
@@ -157,11 +164,15 @@ const struct rte_memzone *rte_memzone_reserve(const char *name,
  *   constraint for the reserved zone.
  * @param flags
  *   The flags parameter is used to request memzones to be
- *   taken from 1GB or 2MB hugepages.
- *   - RTE_MEMZONE_2MB - Reserve from 2MB pages
- *   - RTE_MEMZONE_1GB - Reserve from 1GB pages
- *   - RTE_MEMZONE_16MB - Reserve from 16MB pages
- *   - RTE_MEMZONE_16GB - Reserve from 16GB pages
+ *   taken from specifically sized hugepages.
+ *   - RTE_MEMZONE_2MB - Reserved from 2MB pages
+ *   - RTE_MEMZONE_1GB - Reserved from 1GB pages
+ *   - RTE_MEMZONE_16MB - Reserved from 16MB pages
+ *   - RTE_MEMZONE_16GB - Reserved from 16GB pages
+ *   - RTE_MEMZONE_256KB - Reserved from 256KB pages
+ *   - RTE_MEMZONE_256MB - Reserved from 256MB pages
+ *   - RTE_MEMZONE_512MB - Reserved from 512MB pages
+ *   - RTE_MEMZONE_4GB - Reserved from 4GB pages
  *   - RTE_MEMZONE_SIZE_HINT_ONLY - Allow alternative page size to be used if
  *                                  the requested page size is unavailable.
  *                                  If this flag is not set, the function
@@ -195,7 +206,6 @@ const struct rte_memzone *rte_memzone_reserve_aligned(const char *name,
  * Memory buffer is reserved in a way, that it wouldn't cross specified
  * boundary. That implies that requested length should be less or equal
  * then boundary.
- * Note: A reserved zone cannot be freed.
  *
  * @param name
  *   The name of the memzone. If it already exists, the function will
@@ -209,11 +219,15 @@ const struct rte_memzone *rte_memzone_reserve_aligned(const char *name,
  *   constraint for the reserved zone.
  * @param flags
  *   The flags parameter is used to request memzones to be
- *   taken from 1GB or 2MB hugepages.
- *   - RTE_MEMZONE_2MB - Reserve from 2MB pages
- *   - RTE_MEMZONE_1GB - Reserve from 1GB pages
- *   - RTE_MEMZONE_16MB - Reserve from 16MB pages
- *   - RTE_MEMZONE_16GB - Reserve from 16GB pages
+ *   taken from specifically sized hugepages.
+ *   - RTE_MEMZONE_2MB - Reserved from 2MB pages
+ *   - RTE_MEMZONE_1GB - Reserved from 1GB pages
+ *   - RTE_MEMZONE_16MB - Reserved from 16MB pages
+ *   - RTE_MEMZONE_16GB - Reserved from 16GB pages
+ *   - RTE_MEMZONE_256KB - Reserved from 256KB pages
+ *   - RTE_MEMZONE_256MB - Reserved from 256MB pages
+ *   - RTE_MEMZONE_512MB - Reserved from 512MB pages
+ *   - RTE_MEMZONE_4GB - Reserved from 4GB pages
  *   - RTE_MEMZONE_SIZE_HINT_ONLY - Allow alternative page size to be used if
  *                                  the requested page size is unavailable.
  *                                  If this flag is not set, the function
@@ -239,6 +253,19 @@ const struct rte_memzone *rte_memzone_reserve_bounded(const char *name,
 			size_t len, int socket_id,
 			unsigned flags, unsigned align, unsigned bound);
 
+/**
+ * Free a memzone.
+ *
+ * Note: an IVSHMEM zone cannot be freed.
+ *
+ * @param mz
+ *   A pointer to the memzone
+ * @return
+ *  -EINVAL - invalid parameter, IVSHMEM memzone.
+ *  0 - success
+ */
+int rte_memzone_free(const struct rte_memzone *mz);
+
 /**
  * Lookup for a memzone.
  *