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1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright(c) 2013 - 2018 Intel Corporation. */
3
4#ifndef _I40E_ALLOC_H_
5#define _I40E_ALLOC_H_
6
7#include <linux/types.h>
8
9struct i40e_hw;
10
11/* memory allocation tracking */
12struct i40e_dma_mem {
13 void *va;
14 dma_addr_t pa;
15 u32 size;
16};
17
18struct i40e_virt_mem {
19 void *va;
20 u32 size;
21};
22
23/* prototype for functions used for dynamic memory allocation */
24int i40e_allocate_dma_mem(struct i40e_hw *hw,
25 struct i40e_dma_mem *mem,
26 u64 size, u32 alignment);
27int i40e_free_dma_mem(struct i40e_hw *hw,
28 struct i40e_dma_mem *mem);
29int i40e_allocate_virt_mem(struct i40e_hw *hw,
30 struct i40e_virt_mem *mem,
31 u32 size);
32int i40e_free_virt_mem(struct i40e_hw *hw,
33 struct i40e_virt_mem *mem);
34
35#endif /* _I40E_ALLOC_H_ */
1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright(c) 2013 - 2018 Intel Corporation. */
3
4#ifndef _I40E_ALLOC_H_
5#define _I40E_ALLOC_H_
6
7struct i40e_hw;
8
9/* Memory allocation types */
10enum i40e_memory_type {
11 i40e_mem_arq_buf = 0, /* ARQ indirect command buffer */
12 i40e_mem_asq_buf = 1,
13 i40e_mem_atq_buf = 2, /* ATQ indirect command buffer */
14 i40e_mem_arq_ring = 3, /* ARQ descriptor ring */
15 i40e_mem_atq_ring = 4, /* ATQ descriptor ring */
16 i40e_mem_pd = 5, /* Page Descriptor */
17 i40e_mem_bp = 6, /* Backing Page - 4KB */
18 i40e_mem_bp_jumbo = 7, /* Backing Page - > 4KB */
19 i40e_mem_reserved
20};
21
22/* prototype for functions used for dynamic memory allocation */
23i40e_status i40e_allocate_dma_mem(struct i40e_hw *hw,
24 struct i40e_dma_mem *mem,
25 enum i40e_memory_type type,
26 u64 size, u32 alignment);
27i40e_status i40e_free_dma_mem(struct i40e_hw *hw,
28 struct i40e_dma_mem *mem);
29i40e_status i40e_allocate_virt_mem(struct i40e_hw *hw,
30 struct i40e_virt_mem *mem,
31 u32 size);
32i40e_status i40e_free_virt_mem(struct i40e_hw *hw,
33 struct i40e_virt_mem *mem);
34
35#endif /* _I40E_ALLOC_H_ */