diff mbox

[PATCHv2,2/8] api: pool: Add pool type

Message ID 1421816266-31223-3-git-send-email-bill.fischofer@linaro.org
State New
Headers show

Commit Message

Bill Fischofer Jan. 21, 2015, 4:57 a.m. UTC
Signed-off-by: Bill Fischofer <bill.fischofer@linaro.org>
---
 platform/linux-generic/Makefile.am                 |   1 +
 .../linux-generic/include/api/odp_buffer_pool.h    |  20 +-
 .../linux-generic/include/api/odp_platform_types.h |   6 +
 platform/linux-generic/include/api/odp_pool.h      | 202 +++++++++++++++++++++
 4 files changed, 210 insertions(+), 19 deletions(-)
 create mode 100644 platform/linux-generic/include/api/odp_pool.h
diff mbox

Patch

diff --git a/platform/linux-generic/Makefile.am b/platform/linux-generic/Makefile.am
index 00bb0f9..b90b31e 100644
--- a/platform/linux-generic/Makefile.am
+++ b/platform/linux-generic/Makefile.am
@@ -25,6 +25,7 @@  include_HEADERS = \
 		  $(top_srcdir)/platform/linux-generic/include/api/odp_packet_flags.h \
 		  $(top_srcdir)/platform/linux-generic/include/api/odp_packet.h \
 		  $(top_srcdir)/platform/linux-generic/include/api/odp_packet_io.h \
+		  $(top_srcdir)/platform/linux-generic/include/api/odp_pool.h \
 		  $(top_srcdir)/platform/linux-generic/include/api/odp_queue.h \
 		  $(top_srcdir)/platform/linux-generic/include/api/odp_rwlock.h \
 		  $(top_srcdir)/platform/linux-generic/include/api/odp_schedule.h \
diff --git a/platform/linux-generic/include/api/odp_buffer_pool.h b/platform/linux-generic/include/api/odp_buffer_pool.h
index 8380ac1..a9d7c14 100644
--- a/platform/linux-generic/include/api/odp_buffer_pool.h
+++ b/platform/linux-generic/include/api/odp_buffer_pool.h
@@ -23,6 +23,7 @@  extern "C" {
 #include <odp_std_types.h>
 #include <odp_platform_types.h>
 #include <odp_buffer.h>
+#include <odp_pool.h>
 
 /** @addtogroup odp_buffer
  *  Operations on a buffer pool.
@@ -148,25 +149,6 @@  int odp_buffer_pool_info(odp_buffer_pool_t pool,
 void odp_buffer_pool_print(odp_buffer_pool_t pool);
 
 /**
- * Buffer alloc
- *
- * The validity of a buffer can be cheked at any time with odp_buffer_is_valid()
- * @param pool      Pool handle
- *
- * @return Handle of allocated buffer
- * @retval ODP_BUFFER_INVALID  Buffer could not be allocated
- */
-odp_buffer_t odp_buffer_alloc(odp_buffer_pool_t pool);
-
-/**
- * Buffer free
- *
- * @param buf       Buffer handle
- *
- */
-void odp_buffer_free(odp_buffer_t buf);
-
-/**
  * @}
  */
 
diff --git a/platform/linux-generic/include/api/odp_platform_types.h b/platform/linux-generic/include/api/odp_platform_types.h
index 41ea871..2da5204 100644
--- a/platform/linux-generic/include/api/odp_platform_types.h
+++ b/platform/linux-generic/include/api/odp_platform_types.h
@@ -23,6 +23,12 @@ 
  *  @{
  */
 
+/** ODP Pool */
+typedef uint32_t odp_pool_t;
+
+/** Invalid Pool */
+#define ODP_POOL_INVALID (0xffffffff)
+
 /** ODP Buffer pool */
 typedef uint32_t odp_buffer_pool_t;
 
diff --git a/platform/linux-generic/include/api/odp_pool.h b/platform/linux-generic/include/api/odp_pool.h
new file mode 100644
index 0000000..60962dd
--- /dev/null
+++ b/platform/linux-generic/include/api/odp_pool.h
@@ -0,0 +1,202 @@ 
+/* Copyright (c) 2013, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ */
+
+
+/**
+ * @file
+ *
+ * ODP pool
+ */
+
+#ifndef ODP_POOL_H_
+#define ODP_POOL_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+
+#include <odp_std_types.h>
+#include <odp_platform_types.h>
+#include <odp_buffer.h>
+#include <odp_event.h>
+
+/** @addtogroup odp_buffer
+ *  Operations on a pool.
+ *  @{
+ */
+
+/** Maximum queue name lenght in chars */
+#define ODP_POOL_NAME_LEN  32
+
+/**
+ * Pool parameters
+ * Used to communicate pool creation options.
+ */
+typedef struct odp_pool_param_t {
+	union {
+		struct {
+			uint32_t size;  /**< Buffer size in bytes.  The
+					     maximum number of bytes
+					     application will store in each
+					     buffer. */
+			uint32_t align; /**< Minimum buffer alignment in bytes.
+					     Valid values are powers of two.
+					     Use 0 for default alignment.
+					     Default will always be a multiple
+					     of 8. */
+			uint32_t num;   /**< Number of buffers in the pool */
+		} buf;
+/* Reserved for packet and timeout specific params
+		struct {
+			uint32_t seg_size;
+			uint32_t seg_align;
+			uint32_t num;
+		} pkt;
+*/
+		struct {
+			uint32_t __res1; /* Keep struct identical to buf, */
+			uint32_t __res2; /* until pool implementation is fixed*/
+			uint32_t num;    /**< Number of timeouts in the pool */
+		} tmo;
+	};
+
+	int type;  /**< Pool type */
+
+} odp_pool_param_t;
+
+/**< Invalid pool type */
+#define ODP_POOL_TYPE_INVALID ODP_EVENT_TYPE_INVALID
+/**< Packet pool*/
+#define ODP_POOL_PACKET       ODP_EVENT_PACKET
+/**< Buffer pool */
+#define ODP_POOL_BUFFER       ODP_EVENT_BUFFER
+/**< Timeout pool */
+#define ODP_POOL_TIMEOUT      ODP_EVENT_TIMEOUT
+
+
+/**
+ * Create a pool
+ * This routine is used to create a pool. It take three
+ * arguments: the optional name of the pool to be created, an optional shared
+ * memory handle, and a parameter struct that describes the pool to be
+ * created. If a name is not specified the result is an anonymous pool that
+ * cannot be referenced by odp_pool_lookup().
+ *
+ * @param name     Name of the pool, max ODP_POOL_NAME_LEN-1 chars.
+ *                 May be specified as NULL for anonymous pools.
+ *
+ * @param shm      The shared memory object in which to create the pool.
+ *                 Use ODP_SHM_NULL to reserve default memory type
+ *                 for the pool type.
+ *
+ * @param params   Pool parameters.
+ *
+ * @return Handle of the created pool
+ * @retval ODP_POOL_INVALID  Pool could not be created
+ */
+
+odp_pool_t odp_pool_create(const char *name, odp_shm_t shm,
+			   odp_pool_param_t *params);
+
+/**
+ * Destroy a pool previously created by odp_pool_create()
+ *
+ * @param pool    Handle of the pool to be destroyed
+ *
+ * @retval 0 Success
+ * @retval -1 Failure
+ *
+ * @note This routine destroys a previously created pool. This call
+ * does not destroy any shared memory object passed to
+ * odp_pool_create() used to store the pool contents. The caller
+ * takes responsibility for that. If no shared memory object was passed as
+ * part of the create call, then this routine will destroy any internal shared
+ * memory objects associated with the pool. Results are undefined if
+ * an attempt is made to destroy a pool that contains allocated or
+ * otherwise active buffers.
+ */
+int odp_pool_destroy(odp_pool_t pool);
+
+/**
+ * Find a pool by name
+ *
+ * @param name      Name of the pool
+ *
+ * @return Handle of found pool
+ * @retval ODP_POOL_INVALID  Pool could not be found
+ *
+ * @note This routine cannot be used to look up an anonymous pool (one created
+ * with no name).
+ */
+odp_pool_t odp_pool_lookup(const char *name);
+
+/**
+ * Pool information struct
+ * Used to get information about a pool.
+ */
+typedef struct odp_pool_info_t {
+	const char *name;          /**< pool name */
+	odp_shm_t shm;             /**< handle of shared memory area
+					supplied by application to
+					contain pool, or ODP_SHM_INVALID
+					if this pool is managed by ODP */
+	odp_pool_param_t params;   /**< pool parameters */
+} odp_pool_info_t;
+
+/**
+ * Retrieve information about a pool
+ *
+ * @param pool         Pool handle
+ *
+ * @param[out] info    Receives an odp_pool_info_t object
+ *                     that describes the pool.
+ *
+ * @retval 0 Success
+ * @retval -1 Failure.  Info could not be retrieved.
+ */
+
+int odp_pool_info(odp_pool_t pool, odp_pool_info_t *info);
+
+/**
+ * Print pool info
+ *
+ * @param pool      Pool handle
+ *
+ * @note This routine writes implementation-defined information about the
+ * specified pool to the ODP log. The intended use is for debugging.
+ */
+void odp_pool_print(odp_pool_t pool);
+
+/**
+ * Buffer alloc
+ *
+ * The validity of a buffer can be cheked at any time with odp_buffer_is_valid()
+ * @param pool      Pool handle
+ *
+ * @return Handle of allocated buffer
+ * @retval ODP_BUFFER_INVALID  Buffer could not be allocated
+ */
+odp_buffer_t odp_buffer_alloc(odp_pool_t pool);
+
+/**
+ * Buffer free
+ *
+ * @param buf       Buffer handle
+ *
+ */
+void odp_buffer_free(odp_buffer_t buf);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif