X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcommon%2Fmlx5%2Flinux%2Fmlx5_common_os.h;h=63f070d9c426485716bb119e4ddb5a56ea43ebe3;hb=b0f5afab16c1971aa8bfd2075d69d0b272f28778;hp=55c09027ab170b93b73292c5cc96fa25a098c458;hpb=9d60f54569fd836cba697661d71935b6305a4d91;p=dpdk.git

diff --git a/drivers/common/mlx5/linux/mlx5_common_os.h b/drivers/common/mlx5/linux/mlx5_common_os.h
index 55c09027ab..63f070d9c4 100644
--- a/drivers/common/mlx5/linux/mlx5_common_os.h
+++ b/drivers/common/mlx5/linux/mlx5_common_os.h
@@ -6,6 +6,7 @@
 #define RTE_PMD_MLX5_COMMON_OS_H_
 
 #include <stdio.h>
+#include <malloc.h>
 
 #include <rte_pci.h>
 #include <rte_debug.h>
@@ -16,6 +17,7 @@
 
 #include "mlx5_autoconf.h"
 #include "mlx5_glue.h"
+#include "mlx5_malloc.h"
 
 /**
  * Get device name. Given an ibv_device pointer - return a
@@ -90,4 +92,196 @@ mlx5_os_get_umem_id(void *umem)
 		return 0;
 	return ((struct mlx5dv_devx_umem *)umem)->umem_id;
 }
+
+/**
+ * Get fd. Given a pointer to DevX channel object of type
+ * 'struct mlx5dv_devx_event_channel*' - return its fd.
+ *
+ * @param[in] channel
+ *    Pointer to channel object.
+ *
+ * @return
+ *    The fd if channel is valid, 0 otherwise.
+ */
+static inline int
+mlx5_os_get_devx_channel_fd(void *channel)
+{
+	if (!channel)
+		return 0;
+	return ((struct mlx5dv_devx_event_channel *)channel)->fd;
+}
+
+/**
+ * Get mmap offset. Given a pointer to an DevX UAR object of type
+ * 'struct mlx5dv_devx_uar *' - return its mmap offset.
+ *
+ * @param[in] uar
+ *    Pointer to UAR object.
+ *
+ * @return
+ *    The mmap offset if uar is valid, 0 otherwise.
+ */
+static inline off_t
+mlx5_os_get_devx_uar_mmap_offset(void *uar)
+{
+#ifdef HAVE_MLX5DV_DEVX_UAR_OFFSET
+	if (!uar)
+		return 0;
+	return ((struct mlx5dv_devx_uar *)uar)->mmap_off;
+#else
+	RTE_SET_USED(uar);
+	return 0;
+#endif
+}
+
+/**
+ * Get base addr pointer. Given a pointer to an UAR object of type
+ * 'struct mlx5dv_devx_uar *' - return its base address.
+ *
+ * @param[in] uar
+ *    Pointer to an UAR object.
+ *
+ * @return
+ *    The base address if UAR is valid, 0 otherwise.
+ */
+static inline void *
+mlx5_os_get_devx_uar_base_addr(void *uar)
+{
+#ifdef HAVE_MLX5DV_DEVX_UAR_OFFSET
+	if (!uar)
+		return NULL;
+	return ((struct mlx5dv_devx_uar *)uar)->base_addr;
+#else
+	RTE_SET_USED(uar);
+	return NULL;
+#endif
+}
+
+/**
+ * Get reg addr pointer. Given a pointer to an UAR object of type
+ * 'struct mlx5dv_devx_uar *' - return its reg address.
+ *
+ * @param[in] uar
+ *    Pointer to an UAR object.
+ *
+ * @return
+ *    The reg address if UAR is valid, 0 otherwise.
+ */
+static inline void *
+mlx5_os_get_devx_uar_reg_addr(void *uar)
+{
+#ifdef HAVE_MLX5DV_DEVX_UAR_OFFSET
+	if (!uar)
+		return NULL;
+	return ((struct mlx5dv_devx_uar *)uar)->reg_addr;
+#else
+	RTE_SET_USED(uar);
+	return NULL;
+#endif
+}
+
+/**
+ * Get page id. Given a pointer to an UAR object of type
+ * 'struct mlx5dv_devx_uar *' - return its page id.
+ *
+ * @param[in] uar
+ *    Pointer to an UAR object.
+ *
+ * @return
+ *    The page id if UAR is valid, 0 otherwise.
+ */
+static inline uint32_t
+mlx5_os_get_devx_uar_page_id(void *uar)
+{
+#ifdef HAVE_MLX5DV_DEVX_UAR_OFFSET
+	if (!uar)
+		return 0;
+	return ((struct mlx5dv_devx_uar *)uar)->page_id;
+#else
+	RTE_SET_USED(uar);
+	return 0;
+#endif
+}
+
+static inline void *
+mlx5_os_alloc_pd(void *ctx)
+{
+	return mlx5_glue->alloc_pd(ctx);
+}
+
+static inline int
+mlx5_os_dealloc_pd(void *pd)
+{
+	return mlx5_glue->dealloc_pd(pd);
+}
+
+static inline void *
+mlx5_os_umem_reg(void *ctx, void *addr, size_t size, uint32_t access)
+{
+	return mlx5_glue->devx_umem_reg(ctx, addr, size, access);
+}
+
+static inline int
+mlx5_os_umem_dereg(void *pumem)
+{
+	return mlx5_glue->devx_umem_dereg(pumem);
+}
+
+static inline void *
+mlx5_os_devx_create_event_channel(void *ctx, int flags)
+{
+	return mlx5_glue->devx_create_event_channel(ctx, flags);
+}
+
+static inline void
+mlx5_os_devx_destroy_event_channel(void *eventc)
+{
+	mlx5_glue->devx_destroy_event_channel(eventc);
+}
+
+static inline int
+mlx5_os_devx_subscribe_devx_event(void *eventc,
+				  void *obj,
+				  uint16_t events_sz, uint16_t events_num[],
+				  uint64_t cookie)
+{
+	return mlx5_glue->devx_subscribe_devx_event(eventc, obj, events_sz,
+						    events_num, cookie);
+}
+
+/**
+ * Memory allocation optionally with alignment.
+ *
+ * @param[in] align
+ *    Alignment size (may be zero)
+ * @param[in] size
+ *    Size in bytes to allocate
+ *
+ * @return
+ *    Valid pointer to allocated memory, NULL in case of failure
+ */
+static inline void *
+mlx5_os_malloc(size_t align, size_t size)
+{
+	void *buf;
+
+	if (posix_memalign(&buf, align, size))
+		return NULL;
+	return buf;
+}
+
+/**
+ * This API de-allocates a memory that originally could have been
+ * allocated aligned or non-aligned. In Linux it is a wrapper
+ * around free().
+ *
+ * @param[in] addr
+ *    Pointer to address to free
+ *
+ */
+static inline void
+mlx5_os_free(void *addr)
+{
+	free(addr);
+}
 #endif /* RTE_PMD_MLX5_COMMON_OS_H_ */