1 /******************************************************************************* 2 * 3 * Intel Ethernet Controller XL710 Family Linux Driver 4 * Copyright(c) 2013 - 2014 Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program. If not, see <http://www.gnu.org/licenses/>. 17 * 18 * The full GNU General Public License is included in this distribution in 19 * the file called "COPYING". 20 * 21 * Contact Information: 22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 * 25 ******************************************************************************/ 26 27 #ifndef _I40E_ADMINQ_H_ 28 #define _I40E_ADMINQ_H_ 29 30 #include "i40e_osdep.h" 31 #include "i40e_adminq_cmd.h" 32 33 #define I40E_ADMINQ_DESC(R, i) \ 34 (&(((struct i40e_aq_desc *)((R).desc_buf.va))[i])) 35 36 #define I40E_ADMINQ_DESC_ALIGNMENT 4096 37 38 struct i40e_adminq_ring { 39 struct i40e_virt_mem dma_head; /* space for dma structures */ 40 struct i40e_dma_mem desc_buf; /* descriptor ring memory */ 41 struct i40e_virt_mem cmd_buf; /* command buffer memory */ 42 43 union { 44 struct i40e_dma_mem *asq_bi; 45 struct i40e_dma_mem *arq_bi; 46 } r; 47 48 u16 count; /* Number of descriptors */ 49 u16 rx_buf_len; /* Admin Receive Queue buffer length */ 50 51 /* used for interrupt processing */ 52 u16 next_to_use; 53 u16 next_to_clean; 54 55 /* used for queue tracking */ 56 u32 head; 57 u32 tail; 58 u32 len; 59 }; 60 61 /* ASQ transaction details */ 62 struct i40e_asq_cmd_details { 63 void *callback; /* cast from type I40E_ADMINQ_CALLBACK */ 64 u64 cookie; 65 u16 flags_ena; 66 u16 flags_dis; 67 bool async; 68 bool postpone; 69 }; 70 71 #define I40E_ADMINQ_DETAILS(R, i) \ 72 (&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i])) 73 74 /* ARQ event information */ 75 struct i40e_arq_event_info { 76 struct i40e_aq_desc desc; 77 u16 msg_size; 78 u8 *msg_buf; 79 }; 80 81 /* Admin Queue information */ 82 struct i40e_adminq_info { 83 struct i40e_adminq_ring arq; /* receive queue */ 84 struct i40e_adminq_ring asq; /* send queue */ 85 u16 num_arq_entries; /* receive queue depth */ 86 u16 num_asq_entries; /* send queue depth */ 87 u16 arq_buf_size; /* receive queue buffer size */ 88 u16 asq_buf_size; /* send queue buffer size */ 89 u16 fw_maj_ver; /* firmware major version */ 90 u16 fw_min_ver; /* firmware minor version */ 91 u16 api_maj_ver; /* api major version */ 92 u16 api_min_ver; /* api minor version */ 93 94 struct mutex asq_mutex; /* Send queue lock */ 95 struct mutex arq_mutex; /* Receive queue lock */ 96 97 /* last status values on send and receive queues */ 98 enum i40e_admin_queue_err asq_last_status; 99 enum i40e_admin_queue_err arq_last_status; 100 }; 101 102 /* general information */ 103 #define I40E_AQ_LARGE_BUF 512 104 #define I40E_ASQ_CMD_TIMEOUT 100000 /* usecs */ 105 106 void i40e_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc, 107 u16 opcode); 108 109 #endif /* _I40E_ADMINQ_H_ */ 110