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Diffstat (limited to 'drivers/net/qede/base/ecore_cxt_api.h')
-rw-r--r--drivers/net/qede/base/ecore_cxt_api.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/net/qede/base/ecore_cxt_api.h b/drivers/net/qede/base/ecore_cxt_api.h
new file mode 100644
index 00000000..d98dddb2
--- /dev/null
+++ b/drivers/net/qede/base/ecore_cxt_api.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2016 QLogic Corporation.
+ * All rights reserved.
+ * www.qlogic.com
+ *
+ * See LICENSE.qede_pmd for copyright and licensing details.
+ */
+
+#ifndef __ECORE_CXT_API_H__
+#define __ECORE_CXT_API_H__
+
+struct ecore_hwfn;
+
+struct ecore_cxt_info {
+ void *p_cxt;
+ u32 iid;
+ enum protocol_type type;
+};
+
+#define MAX_TID_BLOCKS 512
+struct ecore_tid_mem {
+ u32 tid_size;
+ u32 num_tids_per_block;
+ u32 waste;
+ u8 *blocks[MAX_TID_BLOCKS]; /* 4K */
+};
+
+static OSAL_INLINE void *get_task_mem(struct ecore_tid_mem *info, u32 tid)
+{
+ /* note: waste is superfluous */
+ return (void *)(info->blocks[tid / info->num_tids_per_block] +
+ (tid % info->num_tids_per_block) * info->tid_size);
+
+ /* more elaborate alternative with no modulo
+ * u32 mask = info->tid_size * info->num_tids_per_block +
+ * info->waste - 1;
+ * u32 index = tid / info->num_tids_per_block;
+ * u32 offset = tid * info->tid_size + index * info->waste;
+ * return (void *)(blocks[index] + (offset & mask));
+ */
+}
+
+/**
+* @brief ecore_cxt_acquire - Acquire a new cid of a specific protocol type
+*
+* @param p_hwfn
+* @param type
+* @param p_cid
+*
+* @return enum _ecore_status_t
+*/
+enum _ecore_status_t ecore_cxt_acquire_cid(struct ecore_hwfn *p_hwfn,
+ enum protocol_type type,
+ u32 *p_cid);
+
+/**
+* @brief ecoreo_cid_get_cxt_info - Returns the context info for a specific cid
+*
+*
+* @param p_hwfn
+* @param p_info in/out
+*
+* @return enum _ecore_status_t
+*/
+enum _ecore_status_t ecore_cxt_get_cid_info(struct ecore_hwfn *p_hwfn,
+ struct ecore_cxt_info *p_info);
+
+/**
+* @brief ecore_cxt_get_tid_mem_info
+*
+* @param p_hwfn
+* @param p_info
+*
+* @return enum _ecore_status_t
+*/
+enum _ecore_status_t ecore_cxt_get_tid_mem_info(struct ecore_hwfn *p_hwfn,
+ struct ecore_tid_mem *p_info);
+
+#endif