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1 | /******************************************************************************* |
2 | * | |
3 | * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver | |
b831607d | 4 | * Copyright(c) 2013 - 2014 Intel Corporation. |
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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 | * | |
b831607d JB |
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 | * | |
d358aa9a GR |
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; | |
87dc3464 SN |
59 | u32 bah; |
60 | u32 bal; | |
d358aa9a GR |
61 | }; |
62 | ||
63 | /* ASQ transaction details */ | |
64 | struct i40e_asq_cmd_details { | |
65 | void *callback; /* cast from type I40E_ADMINQ_CALLBACK */ | |
66 | u64 cookie; | |
67 | u16 flags_ena; | |
68 | u16 flags_dis; | |
69 | bool async; | |
70 | bool postpone; | |
71 | }; | |
72 | ||
73 | #define I40E_ADMINQ_DETAILS(R, i) \ | |
74 | (&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i])) | |
75 | ||
76 | /* ARQ event information */ | |
77 | struct i40e_arq_event_info { | |
78 | struct i40e_aq_desc desc; | |
79 | u16 msg_size; | |
80 | u8 *msg_buf; | |
81 | }; | |
82 | ||
83 | /* Admin Queue information */ | |
84 | struct i40e_adminq_info { | |
85 | struct i40e_adminq_ring arq; /* receive queue */ | |
86 | struct i40e_adminq_ring asq; /* send queue */ | |
09c4e56b | 87 | u32 asq_cmd_timeout; /* send queue cmd write back timeout*/ |
d358aa9a GR |
88 | u16 num_arq_entries; /* receive queue depth */ |
89 | u16 num_asq_entries; /* send queue depth */ | |
90 | u16 arq_buf_size; /* receive queue buffer size */ | |
91 | u16 asq_buf_size; /* send queue buffer size */ | |
92 | u16 fw_maj_ver; /* firmware major version */ | |
93 | u16 fw_min_ver; /* firmware minor version */ | |
94 | u16 api_maj_ver; /* api major version */ | |
95 | u16 api_min_ver; /* api minor version */ | |
c9296ad2 | 96 | bool nvm_busy; |
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97 | |
98 | struct mutex asq_mutex; /* Send queue lock */ | |
99 | struct mutex arq_mutex; /* Receive queue lock */ | |
100 | ||
101 | /* last status values on send and receive queues */ | |
102 | enum i40e_admin_queue_err asq_last_status; | |
103 | enum i40e_admin_queue_err arq_last_status; | |
104 | }; | |
105 | ||
106 | /* general information */ | |
107 | #define I40E_AQ_LARGE_BUF 512 | |
108 | #define I40E_ASQ_CMD_TIMEOUT 100000 /* usecs */ | |
109 | ||
110 | void i40evf_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc, | |
111 | u16 opcode); | |
112 | ||
113 | #endif /* _I40E_ADMINQ_H_ */ |