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