1/*-
2 * Copyright (c) 2012-2016 Solarflare Communications Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
24 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * The views and conclusions contained in the software and documentation are
27 * those of the authors and should not be interpreted as representing official
28 * policies, either expressed or implied, of the FreeBSD Project.
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD: head/sys/dev/sfxge/common/hunt_phy.c 300607 2016-05-24 12:16:57Z arybchik $");
33
34#include "efx.h"
35#include "efx_impl.h"
36
37#if EFSYS_OPT_HUNTINGTON
38
39#if EFSYS_OPT_BIST
40
41 __checkReturn efx_rc_t
42hunt_bist_enable_offline(
43 __in efx_nic_t *enp)
44{
45 efx_rc_t rc;
46
47 if ((rc = efx_mcdi_bist_enable_offline(enp)) != 0)
48 goto fail1;
49
50 return (0);
51
52fail1:
53 EFSYS_PROBE1(fail1, efx_rc_t, rc);
54
55 return (rc);
56}
57
58 __checkReturn efx_rc_t
59hunt_bist_start(
60 __in efx_nic_t *enp,
61 __in efx_bist_type_t type)
62{
63 efx_rc_t rc;
64
65 if ((rc = efx_mcdi_bist_start(enp, type)) != 0)
66 goto fail1;
67
68 return (0);
69
70fail1:
71 EFSYS_PROBE1(fail1, efx_rc_t, rc);
72
73 return (rc);
74}
75
76 __checkReturn efx_rc_t
77hunt_bist_poll(
78 __in efx_nic_t *enp,
79 __in efx_bist_type_t type,
80 __out efx_bist_result_t *resultp,
81 __out_opt __drv_when(count > 0, __notnull)
82 uint32_t *value_maskp,
83 __out_ecount_opt(count) __drv_when(count > 0, __notnull)
84 unsigned long *valuesp,
85 __in size_t count)
86{
87 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
88 efx_mcdi_req_t req;
89 uint8_t payload[MAX(MC_CMD_POLL_BIST_IN_LEN,
90 MCDI_CTL_SDU_LEN_MAX)];
91 uint32_t value_mask = 0;
92 uint32_t result;
93 efx_rc_t rc;
94
95 (void) memset(payload, 0, sizeof (payload));
96 req.emr_cmd = MC_CMD_POLL_BIST;
97 req.emr_in_buf = payload;
98 req.emr_in_length = MC_CMD_POLL_BIST_IN_LEN;
99 req.emr_out_buf = payload;
100 req.emr_out_length = MCDI_CTL_SDU_LEN_MAX;
101
102 efx_mcdi_execute(enp, &req);
103
104 if (req.emr_rc != 0) {
105 rc = req.emr_rc;
106 goto fail1;
107 }
108
109 if (req.emr_out_length_used < MC_CMD_POLL_BIST_OUT_RESULT_OFST + 4) {
110 rc = EMSGSIZE;
111 goto fail2;
112 }
113
114 if (count > 0)
115 (void) memset(valuesp, '\0', count * sizeof (unsigned long));
116
117 result = MCDI_OUT_DWORD(req, POLL_BIST_OUT_RESULT);
118
119 if (result == MC_CMD_POLL_BIST_FAILED &&
120 req.emr_out_length >= MC_CMD_POLL_BIST_OUT_MEM_LEN &&
121 count > EFX_BIST_MEM_ECC_FATAL) {
122 if (valuesp != NULL) {
123 valuesp[EFX_BIST_MEM_TEST] =
124 MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_TEST);
125 valuesp[EFX_BIST_MEM_ADDR] =
126 MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ADDR);
127 valuesp[EFX_BIST_MEM_BUS] =
128 MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_BUS);
129 valuesp[EFX_BIST_MEM_EXPECT] =
130 MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_EXPECT);
131 valuesp[EFX_BIST_MEM_ACTUAL] =
132 MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ACTUAL);
133 valuesp[EFX_BIST_MEM_ECC] =
134 MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ECC);
135 valuesp[EFX_BIST_MEM_ECC_PARITY] =
136 MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ECC_PARITY);
137 valuesp[EFX_BIST_MEM_ECC_FATAL] =
138 MCDI_OUT_DWORD(req, POLL_BIST_OUT_MEM_ECC_FATAL);
139 }
140 value_mask |= (1 << EFX_BIST_MEM_TEST) |
141 (1 << EFX_BIST_MEM_ADDR) |
142 (1 << EFX_BIST_MEM_BUS) |
143 (1 << EFX_BIST_MEM_EXPECT) |
144 (1 << EFX_BIST_MEM_ACTUAL) |
145 (1 << EFX_BIST_MEM_ECC) |
146 (1 << EFX_BIST_MEM_ECC_PARITY) |
147 (1 << EFX_BIST_MEM_ECC_FATAL);
148 } else if (result == MC_CMD_POLL_BIST_FAILED &&
149 encp->enc_phy_type == EFX_PHY_XFI_FARMI &&
150 req.emr_out_length >= MC_CMD_POLL_BIST_OUT_MRSFP_LEN &&
151 count > EFX_BIST_FAULT_CODE) {
152 if (valuesp != NULL)
153 valuesp[EFX_BIST_FAULT_CODE] =
154 MCDI_OUT_DWORD(req, POLL_BIST_OUT_MRSFP_TEST);
155 value_mask |= 1 << EFX_BIST_FAULT_CODE;
156 }
157
158 if (value_maskp != NULL)
159 *value_maskp = value_mask;
160
161 EFSYS_ASSERT(resultp != NULL);
162 if (result == MC_CMD_POLL_BIST_RUNNING)
163 *resultp = EFX_BIST_RESULT_RUNNING;
164 else if (result == MC_CMD_POLL_BIST_PASSED)
165 *resultp = EFX_BIST_RESULT_PASSED;
166 else
167 *resultp = EFX_BIST_RESULT_FAILED;
168
169 return (0);
170
171fail2:
172 EFSYS_PROBE(fail2);
173fail1:
174 EFSYS_PROBE1(fail1, efx_rc_t, rc);
175
176 return (rc);
177}
178
179 void
180hunt_bist_stop(
181 __in efx_nic_t *enp,
182 __in efx_bist_type_t type)
183{
184 /* There is no way to stop BIST on Huntinton. */
185 _NOTE(ARGUNUSED(enp, type))
186}
187
188#endif /* EFSYS_OPT_BIST */
189
190#endif /* EFSYS_OPT_HUNTINGTON */