1*5113495bSYour Name /* 2*5113495bSYour Name * Copyright (c) 2016-2017 The Linux Foundation. All rights reserved. 3*5113495bSYour Name * 4*5113495bSYour Name * Permission to use, copy, modify, and/or distribute this software for 5*5113495bSYour Name * any purpose with or without fee is hereby granted, provided that the 6*5113495bSYour Name * above copyright notice and this permission notice appear in all 7*5113495bSYour Name * copies. 8*5113495bSYour Name * 9*5113495bSYour Name * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10*5113495bSYour Name * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11*5113495bSYour Name * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12*5113495bSYour Name * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13*5113495bSYour Name * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14*5113495bSYour Name * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15*5113495bSYour Name * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16*5113495bSYour Name * PERFORMANCE OF THIS SOFTWARE. 17*5113495bSYour Name */ 18*5113495bSYour Name 19*5113495bSYour Name #ifndef _WBM_LINK_DESCRIPTOR_RING_H_ 20*5113495bSYour Name #define _WBM_LINK_DESCRIPTOR_RING_H_ 21*5113495bSYour Name #if !defined(__ASSEMBLER__) 22*5113495bSYour Name #endif 23*5113495bSYour Name 24*5113495bSYour Name #include "buffer_addr_info.h" 25*5113495bSYour Name 26*5113495bSYour Name // ################ START SUMMARY ################# 27*5113495bSYour Name // 28*5113495bSYour Name // Dword Fields 29*5113495bSYour Name // 0-1 struct buffer_addr_info desc_addr_info; 30*5113495bSYour Name // 31*5113495bSYour Name // ################ END SUMMARY ################# 32*5113495bSYour Name 33*5113495bSYour Name #define NUM_OF_DWORDS_WBM_LINK_DESCRIPTOR_RING 2 34*5113495bSYour Name 35*5113495bSYour Name struct wbm_link_descriptor_ring { 36*5113495bSYour Name struct buffer_addr_info desc_addr_info; 37*5113495bSYour Name }; 38*5113495bSYour Name 39*5113495bSYour Name /* 40*5113495bSYour Name 41*5113495bSYour Name struct buffer_addr_info desc_addr_info 42*5113495bSYour Name 43*5113495bSYour Name Consumer: WBM 44*5113495bSYour Name 45*5113495bSYour Name Producer: WBM 46*5113495bSYour Name 47*5113495bSYour Name 48*5113495bSYour Name 49*5113495bSYour Name Details of the physical address of the buffer + source 50*5113495bSYour Name buffer owner + some SW meta data 51*5113495bSYour Name 52*5113495bSYour Name All modules getting this link descriptor address info, 53*5113495bSYour Name shall keep all the 64 bits in this descriptor together and 54*5113495bSYour Name eventually all 64 bits shall be given back to WBM when the 55*5113495bSYour Name link descriptor is released. 56*5113495bSYour Name */ 57*5113495bSYour Name 58*5113495bSYour Name #define WBM_LINK_DESCRIPTOR_RING_0_BUFFER_ADDR_INFO_DESC_ADDR_INFO_OFFSET 0x00000000 59*5113495bSYour Name #define WBM_LINK_DESCRIPTOR_RING_0_BUFFER_ADDR_INFO_DESC_ADDR_INFO_LSB 0 60*5113495bSYour Name #define WBM_LINK_DESCRIPTOR_RING_0_BUFFER_ADDR_INFO_DESC_ADDR_INFO_MASK 0xffffffff 61*5113495bSYour Name #define WBM_LINK_DESCRIPTOR_RING_1_BUFFER_ADDR_INFO_DESC_ADDR_INFO_OFFSET 0x00000004 62*5113495bSYour Name #define WBM_LINK_DESCRIPTOR_RING_1_BUFFER_ADDR_INFO_DESC_ADDR_INFO_LSB 0 63*5113495bSYour Name #define WBM_LINK_DESCRIPTOR_RING_1_BUFFER_ADDR_INFO_DESC_ADDR_INFO_MASK 0xffffffff 64*5113495bSYour Name 65*5113495bSYour Name 66*5113495bSYour Name #endif // _WBM_LINK_DESCRIPTOR_RING_H_ 67