drivers/net/ethernet/intel/iavf/iavf_alloc.h

   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_ */