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kernel/linux-rt-4.4.41/drivers/net/ethernet/intel/i40e/i40e_alloc.h 2.15 KB
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  /*******************************************************************************
   *
   * Intel Ethernet Controller XL710 Family Linux Driver
   * Copyright(c) 2013 - 2014 Intel Corporation.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   * more details.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program.  If not, see <http://www.gnu.org/licenses/>.
   *
   * The full GNU General Public License is included in this distribution in
   * the file called "COPYING".
   *
   * Contact Information:
   * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
   * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
   *
   ******************************************************************************/
  
  #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 */
  i40e_status i40e_allocate_dma_mem(struct i40e_hw *hw,
  					    struct i40e_dma_mem *mem,
  					    enum i40e_memory_type type,
  					    u64 size, u32 alignment);
  i40e_status i40e_free_dma_mem(struct i40e_hw *hw,
  					struct i40e_dma_mem *mem);
  i40e_status i40e_allocate_virt_mem(struct i40e_hw *hw,
  					     struct i40e_virt_mem *mem,
  					     u32 size);
  i40e_status i40e_free_virt_mem(struct i40e_hw *hw,
  					 struct i40e_virt_mem *mem);
  
  #endif /* _I40E_ALLOC_H_ */