1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*******************************************************************************
4 * Intel Ethernet Controller XL710 Family Linux Virtual Function Driver
5 * Copyright(c) 2013 - 2014 Intel Corporation.
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along
17 * with this program. If not, see <http://www.gnu.org/licenses/>.
19 * The full GNU General Public License is included in this distribution in
20 * the file called "COPYING".
22 * Contact Information:
23 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 ******************************************************************************/
28 #ifndef _I40E_ADMINQ_H_
29 #define _I40E_ADMINQ_H_
31 #include "i40e_osdep.h"
32 #include "i40e_status.h"
33 #include "i40e_adminq_cmd.h"
35 #define I40E_ADMINQ_DESC(R, i) \
36 (&(((struct i40e_aq_desc *)((R).desc_buf.va))[i]))
38 #define I40E_ADMINQ_DESC_ALIGNMENT 4096
40 struct i40e_adminq_ring {
41 struct i40e_virt_mem dma_head; /* space for dma structures */
42 struct i40e_dma_mem desc_buf; /* descriptor ring memory */
43 struct i40e_virt_mem cmd_buf; /* command buffer memory */
46 struct i40e_dma_mem *asq_bi;
47 struct i40e_dma_mem *arq_bi;
50 u16 count; /* Number of descriptors */
51 u16 rx_buf_len; /* Admin Receive Queue buffer length */
53 /* used for interrupt processing */
57 /* used for queue tracking */
65 /* ASQ transaction details */
66 struct i40e_asq_cmd_details {
67 void *callback; /* cast from type I40E_ADMINQ_CALLBACK */
73 struct i40e_aq_desc *wb_desc;
76 #define I40E_ADMINQ_DETAILS(R, i) \
77 (&(((struct i40e_asq_cmd_details *)((R).cmd_buf.va))[i]))
79 /* ARQ event information */
80 struct i40e_arq_event_info {
81 struct i40e_aq_desc desc;
87 /* Admin Queue information */
88 struct i40e_adminq_info {
89 struct i40e_adminq_ring arq; /* receive queue */
90 struct i40e_adminq_ring asq; /* send queue */
91 u32 asq_cmd_timeout; /* send queue cmd write back timeout*/
92 u16 num_arq_entries; /* receive queue depth */
93 u16 num_asq_entries; /* send queue depth */
94 u16 arq_buf_size; /* receive queue buffer size */
95 u16 asq_buf_size; /* send queue buffer size */
96 u16 fw_maj_ver; /* firmware major version */
97 u16 fw_min_ver; /* firmware minor version */
98 u32 fw_build; /* firmware build number */
99 u16 api_maj_ver; /* api major version */
100 u16 api_min_ver; /* api minor version */
102 struct mutex asq_mutex; /* Send queue lock */
103 struct mutex arq_mutex; /* Receive queue lock */
105 /* last status values on send and receive queues */
106 enum i40e_admin_queue_err asq_last_status;
107 enum i40e_admin_queue_err arq_last_status;
111 * i40e_aq_rc_to_posix - convert errors to user-land codes
112 * aq_ret: AdminQ handler error code can override aq_rc
113 * aq_rc: AdminQ firmware error code to convert
115 static inline int i40e_aq_rc_to_posix(int aq_ret, int aq_rc)
117 int aq_to_posix[] = {
118 0, /* I40E_AQ_RC_OK */
119 -EPERM, /* I40E_AQ_RC_EPERM */
120 -ENOENT, /* I40E_AQ_RC_ENOENT */
121 -ESRCH, /* I40E_AQ_RC_ESRCH */
122 -EINTR, /* I40E_AQ_RC_EINTR */
123 -EIO, /* I40E_AQ_RC_EIO */
124 -ENXIO, /* I40E_AQ_RC_ENXIO */
125 -E2BIG, /* I40E_AQ_RC_E2BIG */
126 -EAGAIN, /* I40E_AQ_RC_EAGAIN */
127 -ENOMEM, /* I40E_AQ_RC_ENOMEM */
128 -EACCES, /* I40E_AQ_RC_EACCES */
129 -EFAULT, /* I40E_AQ_RC_EFAULT */
130 -EBUSY, /* I40E_AQ_RC_EBUSY */
131 -EEXIST, /* I40E_AQ_RC_EEXIST */
132 -EINVAL, /* I40E_AQ_RC_EINVAL */
133 -ENOTTY, /* I40E_AQ_RC_ENOTTY */
134 -ENOSPC, /* I40E_AQ_RC_ENOSPC */
135 -ENOSYS, /* I40E_AQ_RC_ENOSYS */
136 -ERANGE, /* I40E_AQ_RC_ERANGE */
137 -EPIPE, /* I40E_AQ_RC_EFLUSHED */
138 -ESPIPE, /* I40E_AQ_RC_BAD_ADDR */
139 -EROFS, /* I40E_AQ_RC_EMODE */
140 -EFBIG, /* I40E_AQ_RC_EFBIG */
143 /* aq_rc is invalid if AQ timed out */
144 if (aq_ret == I40E_ERR_ADMIN_QUEUE_TIMEOUT)
147 if (!((u32)aq_rc < (sizeof(aq_to_posix) / sizeof((aq_to_posix)[0]))))
150 return aq_to_posix[aq_rc];
153 /* general information */
154 #define I40E_AQ_LARGE_BUF 512
155 #define I40E_ASQ_CMD_TIMEOUT 250000 /* usecs */
157 void i40evf_fill_default_direct_cmd_desc(struct i40e_aq_desc *desc,
160 #endif /* _I40E_ADMINQ_H_ */