xref: /freebsd/sys/dev/ixl/i40e_alloc.h (revision d94ca7cf07cbd94a5a2ba07a7dfebfcbb02aeaa5)

/******************************************************************************

  Copyright (c) 2013-2014, Intel Corporation
  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

   1. Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.

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      contributors may be used to endorse or promote products derived from
      this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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******************************************************************************/
/*$FreeBSD$*/

#ifndef _I40E_ALLOC_H_
#define _I40E_ALLOC_H_

struct i40e_hw;

/* Memory allocation types */
enum i40e_memory_type {
	i40e_mem_arq_buf = 0,		/* ARQ indirect command buffer */
	i40e_mem_asq_buf = 1,
	i40e_mem_atq_buf = 2,		/* ATQ indirect command buffer */
	i40e_mem_arq_ring = 3,		/* ARQ descriptor ring */
	i40e_mem_atq_ring = 4,		/* ATQ descriptor ring */
	i40e_mem_pd = 5,		/* Page Descriptor */
	i40e_mem_bp = 6,		/* Backing Page - 4KB */
	i40e_mem_bp_jumbo = 7,		/* Backing Page - > 4KB */
	i40e_mem_reserved
};

/* prototype for functions used for dynamic memory allocation */
enum i40e_status_code i40e_allocate_dma_mem(struct i40e_hw *hw,
					    struct i40e_dma_mem *mem,
					    enum i40e_memory_type type,
					    u64 size, u32 alignment);
enum i40e_status_code i40e_free_dma_mem(struct i40e_hw *hw,
					struct i40e_dma_mem *mem);
enum i40e_status_code i40e_allocate_virt_mem(struct i40e_hw *hw,
					     struct i40e_virt_mem *mem,
					     u32 size);
enum i40e_status_code i40e_free_virt_mem(struct i40e_hw *hw,
					 struct i40e_virt_mem *mem);

#endif /* _I40E_ALLOC_H_ */