1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
4 * Copyright(c) 2013 - 2014 Intel Corporation.
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.
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
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/>.
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
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
25 ******************************************************************************/
27 #ifndef _I40E_ADMINQ_H_
28 #define _I40E_ADMINQ_H_
30 #include "i40e_osdep.h"
31 #include "i40e_adminq_cmd.h"
33 #define I40E_ADMINQ_DESC(R, i) \
34 (&(((struct i40e_aq_desc *)((R).desc_buf.va))[i]))
36 #define I40E_ADMINQ_DESC_ALIGNMENT 4096
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 */
44 struct i40e_dma_mem *asq_bi;
45 struct i40e_dma_mem *arq_bi;
48 u16 count; /* Number of descriptors */
49 u16 rx_buf_len; /* Admin Receive Queue buffer length */
51 /* used for interrupt processing */
55 /* used for queue tracking */
63 /* ASQ transaction details */
64 struct i40e_asq_cmd_details {
65 void *callback; /* cast from type I40E_ADMINQ_CALLBACK */
73 #define I40E_ADMINQ_DETAILS(R, i) \
74 (&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i]))
76 /* ARQ event information */
77 struct i40e_arq_event_info {
78 struct i40e_aq_desc desc;
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 */
87 u32 asq_cmd_timeout; /* send queue cmd write back timeout*/
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 */
97 bool nvm_release_on_done;
99 struct mutex asq_mutex; /* Send queue lock */
100 struct mutex arq_mutex; /* Receive queue lock */
102 /* last status values on send and receive queues */
103 enum i40e_admin_queue_err asq_last_status;
104 enum i40e_admin_queue_err arq_last_status;
108 * i40e_aq_rc_to_posix - convert errors to user-land codes
109 * aq_rc: AdminQ error code to convert
111 static inline int i40e_aq_rc_to_posix(u16 aq_rc)
113 int aq_to_posix[] = {
114 0, /* I40E_AQ_RC_OK */
115 -EPERM, /* I40E_AQ_RC_EPERM */
116 -ENOENT, /* I40E_AQ_RC_ENOENT */
117 -ESRCH, /* I40E_AQ_RC_ESRCH */
118 -EINTR, /* I40E_AQ_RC_EINTR */
119 -EIO, /* I40E_AQ_RC_EIO */
120 -ENXIO, /* I40E_AQ_RC_ENXIO */
121 -E2BIG, /* I40E_AQ_RC_E2BIG */
122 -EAGAIN, /* I40E_AQ_RC_EAGAIN */
123 -ENOMEM, /* I40E_AQ_RC_ENOMEM */
124 -EACCES, /* I40E_AQ_RC_EACCES */
125 -EFAULT, /* I40E_AQ_RC_EFAULT */
126 -EBUSY, /* I40E_AQ_RC_EBUSY */
127 -EEXIST, /* I40E_AQ_RC_EEXIST */
128 -EINVAL, /* I40E_AQ_RC_EINVAL */
129 -ENOTTY, /* I40E_AQ_RC_ENOTTY */
130 -ENOSPC, /* I40E_AQ_RC_ENOSPC */
131 -ENOSYS, /* I40E_AQ_RC_ENOSYS */
132 -ERANGE, /* I40E_AQ_RC_ERANGE */
133 -EPIPE, /* I40E_AQ_RC_EFLUSHED */
134 -ESPIPE, /* I40E_AQ_RC_BAD_ADDR */
135 -EROFS, /* I40E_AQ_RC_EMODE */
136 -EFBIG, /* I40E_AQ_RC_EFBIG */
139 return aq_to_posix[aq_rc];
142 /* general information */
143 #define I40E_AQ_LARGE_BUF 512
144 #define I40E_ASQ_CMD_TIMEOUT 100000 /* usecs */
146 void i40evf_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc,
149 #endif /* _I40E_ADMINQ_H_ */