ql_ioctl.c revision 284982
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: stable/10/sys/dev/qlxgbe/ql_ioctl.c 284982 2015-06-30 20:59:07Z davidcs $");
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
43static int ql_eioctl(struct cdev *dev, u_long cmd, caddr_t data, int fflag,
44		struct thread *td);
45
46static struct cdevsw qla_cdevsw = {
47	.d_version = D_VERSION,
48	.d_ioctl = ql_eioctl,
49	.d_name = "qlcnic",
50};
51
52int
53ql_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
71void
72ql_del_cdev(qla_host_t *ha)
73{
74	if (ha->ioctl_dev != NULL)
75		destroy_dev(ha->ioctl_dev);
76	return;
77}
78
79static int
80ql_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
88	q80_offchip_mem_val_t val;
89	qla_rd_pci_ids_t *pci_ids;
90	qla_rd_fw_dump_t *fw_dump;
91        union {
92		qla_reg_val_t *rv;
93	        qla_rd_flash_t *rdf;
94		qla_wr_flash_t *wrf;
95		qla_erase_flash_t *erf;
96		qla_offchip_mem_val_t *mem;
97	} u;
98
99
100        if ((ha = (qla_host_t *)dev->si_drv1) == NULL)
101                return ENXIO;
102
103	pci_dev= ha->pci_dev;
104
105        switch(cmd) {
106
107        case QLA_RDWR_REG:
108
109                u.rv = (qla_reg_val_t *)data;
110
111                if (u.rv->direct) {
112                        if (u.rv->rd) {
113                                u.rv->val = READ_REG32(ha, u.rv->reg);
114                        } else {
115                                WRITE_REG32(ha, u.rv->reg, u.rv->val);
116                        }
117                } else {
118                        if ((rval = ql_rdwr_indreg32(ha, u.rv->reg, &u.rv->val,
119                                u.rv->rd)))
120                                rval = ENXIO;
121                }
122                break;
123
124        case QLA_RD_FLASH:
125
126		if (!ha->hw.flags.fdt_valid) {
127			rval = EIO;
128			break;
129		}
130
131                u.rdf = (qla_rd_flash_t *)data;
132                if ((rval = ql_rd_flash32(ha, u.rdf->off, &u.rdf->data)))
133                        rval = ENXIO;
134                break;
135
136	case QLA_WR_FLASH:
137
138		ifp = ha->ifp;
139
140		if (ifp == NULL) {
141			rval = ENXIO;
142			break;
143		}
144
145		if (ifp->if_drv_flags & (IFF_DRV_OACTIVE | IFF_DRV_RUNNING)) {
146			rval = ENXIO;
147			break;
148		}
149
150		if (!ha->hw.flags.fdt_valid) {
151			rval = EIO;
152			break;
153		}
154
155		u.wrf = (qla_wr_flash_t *)data;
156		if ((rval = ql_wr_flash_buffer(ha, u.wrf->off, u.wrf->size,
157			u.wrf->buffer))) {
158			printf("flash write failed[%d]\n", rval);
159			rval = ENXIO;
160		}
161		break;
162
163	case QLA_ERASE_FLASH:
164
165		ifp = ha->ifp;
166
167		if (ifp == NULL) {
168			rval = ENXIO;
169			break;
170		}
171
172		if (ifp->if_drv_flags & (IFF_DRV_OACTIVE | IFF_DRV_RUNNING)) {
173			rval = ENXIO;
174			break;
175		}
176
177		if (!ha->hw.flags.fdt_valid) {
178			rval = EIO;
179			break;
180		}
181
182		u.erf = (qla_erase_flash_t *)data;
183		if ((rval = ql_erase_flash(ha, u.erf->off,
184			u.erf->size))) {
185			printf("flash erase failed[%d]\n", rval);
186			rval = ENXIO;
187		}
188		break;
189
190	case QLA_RDWR_MS_MEM:
191		u.mem = (qla_offchip_mem_val_t *)data;
192
193		if ((rval = ql_rdwr_offchip_mem(ha, u.mem->off, &val,
194			u.mem->rd)))
195			rval = ENXIO;
196		else {
197			u.mem->data_lo = val.data_lo;
198			u.mem->data_hi = val.data_hi;
199			u.mem->data_ulo = val.data_ulo;
200			u.mem->data_uhi = val.data_uhi;
201		}
202
203		break;
204
205	case QLA_RD_FW_DUMP_SIZE:
206
207		if (ha->hw.mdump_init == 0) {
208			rval = EINVAL;
209			break;
210		}
211
212		fw_dump = (qla_rd_fw_dump_t *)data;
213		fw_dump->template_size = ha->hw.dma_buf.minidump.size;
214		fw_dump->pci_func = ha->pci_func;
215
216		break;
217
218	case QLA_RD_FW_DUMP:
219
220		if (ha->hw.mdump_init == 0) {
221			rval = EINVAL;
222			break;
223		}
224
225		fw_dump = (qla_rd_fw_dump_t *)data;
226
227		if ((fw_dump->md_template == NULL) ||
228			(fw_dump->template_size != ha->hw.dma_buf.minidump.size)) {
229			rval = EINVAL;
230			break;
231		}
232
233		if ((rval = copyout(ha->hw.dma_buf.minidump.dma_b,
234			fw_dump->md_template, fw_dump->template_size)))
235			rval = ENXIO;
236		break;
237
238	case QLA_RD_PCI_IDS:
239		pci_ids = (qla_rd_pci_ids_t *)data;
240		pci_ids->ven_id = pci_get_vendor(pci_dev);
241		pci_ids->dev_id = pci_get_device(pci_dev);
242		pci_ids->subsys_ven_id = pci_get_subvendor(pci_dev);
243		pci_ids->subsys_dev_id = pci_get_subdevice(pci_dev);
244		pci_ids->rev_id = pci_read_config(pci_dev, PCIR_REVID, 1);
245		break;
246
247        default:
248                break;
249        }
250
251        return rval;
252}
253
254