drivers/net/ethernet/intel/i40evf/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
   7 struct i40e_hw;
   8
   9 /* Memory allocation types */
  10 enum 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 */
  23 i40e_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);
  27 i40e_status i40e_free_dma_mem(struct i40e_hw *hw,
  28                                         struct i40e_dma_mem *mem);
  29 i40e_status i40e_allocate_virt_mem(struct i40e_hw *hw,
  30                                              struct i40e_virt_mem *mem,
  31                                              u32 size);
  32 i40e_status i40e_free_virt_mem(struct i40e_hw *hw,
  33                                          struct i40e_virt_mem *mem);
  34
  35 #endif /* _I40E_ALLOC_H_ */