xref: /freebsd/sys/dev/qlxgbe/ql_ioctl.c (revision 3fc36ee018bb836bd1796067cf4ef8683f166ebc) 
1 /*
2  * Copyright (c) 2013-2016 Qlogic Corporation
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
7  *  are met:
8  *
9  *  1. Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  *  2. Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  *
15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  *  POSSIBILITY OF SUCH DAMAGE.
26  */
27 /*
28  * File: ql_ioctl.c
29  * Author : David C Somayajulu, Qlogic Corporation, Aliso Viejo, CA 92656.
30  */
31 
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
34 
35 
36 #include "ql_os.h"
37 #include "ql_hw.h"
38 #include "ql_def.h"
39 #include "ql_inline.h"
40 #include "ql_glbl.h"
41 #include "ql_ioctl.h"
42 
43 static int ql_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
44 		struct thread *td);
45 
46 static struct cdevsw qla_cdevsw = {
47 	.d_version = D_VERSION,
48 	.d_ioctl = ql_eioctl,
49 	.d_name = "qlcnic",
50 };
51 
52 int
53 ql_make_cdev(qla_host_t *ha)
54 {
55         ha->ioctl_dev = make_dev(&qla_cdevsw,
56 				ha->ifp->if_dunit,
57                                 UID_ROOT,
58                                 GID_WHEEL,
59                                 0600,
60                                 "%s",
61                                 if_name(ha->ifp));
62 
63 	if (ha->ioctl_dev == NULL)
64 		return (-1);
65 
66         ha->ioctl_dev->si_drv1 = ha;
67 
68 	return (0);
69 }
70 
71 void
72 ql_del_cdev(qla_host_t *ha)
73 {
74 	if (ha->ioctl_dev != NULL)
75 		destroy_dev(ha->ioctl_dev);
76 	return;
77 }
78 
79 static int
80 ql_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
81 	struct thread *td)
82 {
83         qla_host_t *ha;
84         int rval = 0;
85 	device_t pci_dev;
86 	struct ifnet *ifp;
87 	int count;
88 
89 	q80_offchip_mem_val_t val;
90 	qla_rd_pci_ids_t *pci_ids;
91 	qla_rd_fw_dump_t *fw_dump;
92         union {
93 		qla_reg_val_t *rv;
94 	        qla_rd_flash_t *rdf;
95 		qla_wr_flash_t *wrf;
96 		qla_erase_flash_t *erf;
97 		qla_offchip_mem_val_t *mem;
98 	} u;
99 
100 
101         if ((ha = (qla_host_t *)dev->si_drv1) == NULL)
102                 return ENXIO;
103 
104 	pci_dev= ha->pci_dev;
105 
106         switch(cmd) {
107 
108         case QLA_RDWR_REG:
109 
110                 u.rv = (qla_reg_val_t *)data;
111 
112                 if (u.rv->direct) {
113                         if (u.rv->rd) {
114                                 u.rv->val = READ_REG32(ha, u.rv->reg);
115                         } else {
116                                 WRITE_REG32(ha, u.rv->reg, u.rv->val);
117                         }
118                 } else {
119                         if ((rval = ql_rdwr_indreg32(ha, u.rv->reg, &u.rv->val,
120                                 u.rv->rd)))
121                                 rval = ENXIO;
122                 }
123                 break;
124 
125         case QLA_RD_FLASH:
126 
127 		if (!ha->hw.flags.fdt_valid) {
128 			rval = EIO;
129 			break;
130 		}
131 
132                 u.rdf = (qla_rd_flash_t *)data;
133                 if ((rval = ql_rd_flash32(ha, u.rdf->off, &u.rdf->data)))
134                         rval = ENXIO;
135                 break;
136 
137 	case QLA_WR_FLASH:
138 
139 		ifp = ha->ifp;
140 
141 		if (ifp == NULL) {
142 			rval = ENXIO;
143 			break;
144 		}
145 
146 		if (ifp->if_drv_flags & (IFF_DRV_OACTIVE | IFF_DRV_RUNNING)) {
147 			rval = ENXIO;
148 			break;
149 		}
150 
151 		if (!ha->hw.flags.fdt_valid) {
152 			rval = EIO;
153 			break;
154 		}
155 
156 		u.wrf = (qla_wr_flash_t *)data;
157 		if ((rval = ql_wr_flash_buffer(ha, u.wrf->off, u.wrf->size,
158 			u.wrf->buffer))) {
159 			printf("flash write failed[%d]\n", rval);
160 			rval = ENXIO;
161 		}
162 		break;
163 
164 	case QLA_ERASE_FLASH:
165 
166 		ifp = ha->ifp;
167 
168 		if (ifp == NULL) {
169 			rval = ENXIO;
170 			break;
171 		}
172 
173 		if (ifp->if_drv_flags & (IFF_DRV_OACTIVE | IFF_DRV_RUNNING)) {
174 			rval = ENXIO;
175 			break;
176 		}
177 
178 		if (!ha->hw.flags.fdt_valid) {
179 			rval = EIO;
180 			break;
181 		}
182 
183 		u.erf = (qla_erase_flash_t *)data;
184 		if ((rval = ql_erase_flash(ha, u.erf->off,
185 			u.erf->size))) {
186 			printf("flash erase failed[%d]\n", rval);
187 			rval = ENXIO;
188 		}
189 		break;
190 
191 	case QLA_RDWR_MS_MEM:
192 		u.mem = (qla_offchip_mem_val_t *)data;
193 
194 		if ((rval = ql_rdwr_offchip_mem(ha, u.mem->off, &val,
195 			u.mem->rd)))
196 			rval = ENXIO;
197 		else {
198 			u.mem->data_lo = val.data_lo;
199 			u.mem->data_hi = val.data_hi;
200 			u.mem->data_ulo = val.data_ulo;
201 			u.mem->data_uhi = val.data_uhi;
202 		}
203 
204 		break;
205 
206 	case QLA_RD_FW_DUMP_SIZE:
207 
208 		if (ha->hw.mdump_init == 0) {
209 			rval = EINVAL;
210 			break;
211 		}
212 
213 		fw_dump = (qla_rd_fw_dump_t *)data;
214 		fw_dump->minidump_size = ha->hw.mdump_buffer_size +
215 						ha->hw.mdump_template_size;
216 		fw_dump->pci_func = ha->pci_func;
217 
218 		break;
219 
220 	case QLA_RD_FW_DUMP:
221 
222 		if (ha->hw.mdump_init == 0) {
223 			rval = EINVAL;
224 			break;
225 		}
226 
227 		fw_dump = (qla_rd_fw_dump_t *)data;
228 
229 		if ((fw_dump->minidump == NULL) ||
230 			(fw_dump->minidump_size != (ha->hw.mdump_buffer_size +
231 				ha->hw.mdump_template_size))) {
232 			rval = EINVAL;
233 			break;
234 		}
235 
236 		(void)QLA_LOCK(ha, __func__, 0);
237 		if (!ha->hw.mdump_done)
238 			ha->qla_initiate_recovery = 1;
239 		QLA_UNLOCK(ha, __func__);
240 
241 #define QLNX_DUMP_WAIT_SECS	30
242 
243 		count = QLNX_DUMP_WAIT_SECS * 1000;
244 
245 		while (count) {
246 			if (ha->hw.mdump_done)
247 				break;
248 			qla_mdelay(__func__, 100);
249 			count -= 100;
250 		}
251 
252 		if (!ha->hw.mdump_done) {
253 			rval = ENXIO;
254 			break;
255 		}
256 
257 		(void)QLA_LOCK(ha, __func__, 0);
258 		ha->hw.mdump_done = 0;
259 		QLA_UNLOCK(ha, __func__);
260 
261 		if ((rval = copyout(ha->hw.mdump_template,
262 			fw_dump->minidump, ha->hw.mdump_template_size))) {
263 			rval = ENXIO;
264 			break;
265 		}
266 
267 		if ((rval = copyout(ha->hw.mdump_buffer,
268 				((uint8_t *)fw_dump->minidump +
269 					ha->hw.mdump_template_size),
270 				ha->hw.mdump_buffer_size)))
271 			rval = ENXIO;
272 		break;
273 
274 	case QLA_RD_PCI_IDS:
275 		pci_ids = (qla_rd_pci_ids_t *)data;
276 		pci_ids->ven_id = pci_get_vendor(pci_dev);
277 		pci_ids->dev_id = pci_get_device(pci_dev);
278 		pci_ids->subsys_ven_id = pci_get_subvendor(pci_dev);
279 		pci_ids->subsys_dev_id = pci_get_subdevice(pci_dev);
280 		pci_ids->rev_id = pci_read_config(pci_dev, PCIR_REVID, 1);
281 		break;
282 
283         default:
284                 break;
285         }
286 
287         return rval;
288 }
289 
290