1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
3 
4 #ifndef _IAVF_ALLOC_H_
5 #define _IAVF_ALLOC_H_
6 
7 struct iavf_hw;
8 
9 /* Memory allocation types */
10 enum iavf_memory_type {
11 	iavf_mem_arq_buf = 0,		/* ARQ indirect command buffer */
12 	iavf_mem_asq_buf = 1,
13 	iavf_mem_atq_buf = 2,		/* ATQ indirect command buffer */
14 	iavf_mem_arq_ring = 3,		/* ARQ descriptor ring */
15 	iavf_mem_atq_ring = 4,		/* ATQ descriptor ring */
16 	iavf_mem_pd = 5,		/* Page Descriptor */
17 	iavf_mem_bp = 6,		/* Backing Page - 4KB */
18 	iavf_mem_bp_jumbo = 7,		/* Backing Page - > 4KB */
19 	iavf_mem_reserved
20 };
21 
22 /* prototype for functions used for dynamic memory allocation */
23 enum iavf_status iavf_allocate_dma_mem(struct iavf_hw *hw,
24 				       struct iavf_dma_mem *mem,
25 				       enum iavf_memory_type type,
26 				       u64 size, u32 alignment);
27 enum iavf_status iavf_free_dma_mem(struct iavf_hw *hw,
28 				   struct iavf_dma_mem *mem);
29 enum iavf_status iavf_allocate_virt_mem(struct iavf_hw *hw,
30 					struct iavf_virt_mem *mem, u32 size);
31 void iavf_free_virt_mem(struct iavf_hw *hw, struct iavf_virt_mem *mem);
32 
33 #endif /* _IAVF_ALLOC_H_ */
34