drivers/net/i40e/base/i40e_alloc.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2001-2020 Intel Corporation
   3  */
   4
   5 #ifndef _I40E_ALLOC_H_
   6 #define _I40E_ALLOC_H_
   7
   8 struct i40e_hw;
   9
  10 /* Memory allocation types */
  11 enum i40e_memory_type {
  12         i40e_mem_arq_buf = 0,           /* ARQ indirect command buffer */
  13         i40e_mem_asq_buf = 1,
  14         i40e_mem_atq_buf = 2,           /* ATQ indirect command buffer */
  15         i40e_mem_arq_ring = 3,          /* ARQ descriptor ring */
  16         i40e_mem_atq_ring = 4,          /* ATQ descriptor ring */
  17         i40e_mem_pd = 5,                /* Page Descriptor */
  18         i40e_mem_bp = 6,                /* Backing Page - 4KB */
  19         i40e_mem_bp_jumbo = 7,          /* Backing Page - > 4KB */
  20         i40e_mem_reserved
  21 };
  22
  23 /* prototype for functions used for dynamic memory allocation */
  24 enum i40e_status_code i40e_allocate_dma_mem(struct i40e_hw *hw,
  25                                             struct i40e_dma_mem *mem,
  26                                             enum i40e_memory_type type,
  27                                             u64 size, u32 alignment);
  28 enum i40e_status_code i40e_free_dma_mem(struct i40e_hw *hw,
  29                                         struct i40e_dma_mem *mem);
  30 enum i40e_status_code i40e_allocate_virt_mem(struct i40e_hw *hw,
  31                                              struct i40e_virt_mem *mem,
  32                                              u32 size);
  33 enum i40e_status_code i40e_free_virt_mem(struct i40e_hw *hw,
  34                                          struct i40e_virt_mem *mem);
  35
  36 #endif /* _I40E_ALLOC_H_ */