1 /*
2 * Copyright (c) 2008-2016 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/types.h>
32 #include <sys/ddi.h>
33 #include <sys/sunddi.h>
34 #include <sys/stream.h>
35 #include <sys/dlpi.h>
36
37 #include "sfxge.h"
38
39 int
sfxge_bar_init(sfxge_t * sp)40 sfxge_bar_init(sfxge_t *sp)
41 {
42 efsys_bar_t *esbp = &(sp->s_bar);
43 ddi_device_acc_attr_t devacc;
44 int rc;
45
46 devacc.devacc_attr_version = DDI_DEVICE_ATTR_V0;
47 devacc.devacc_attr_endian_flags = DDI_NEVERSWAP_ACC;
48 devacc.devacc_attr_dataorder = DDI_STRICTORDER_ACC;
49
50 if (ddi_regs_map_setup(sp->s_dip, EFX_MEM_BAR, &(esbp->esb_base), 0, 0,
51 &devacc, &(esbp->esb_handle)) != DDI_SUCCESS) {
52 rc = ENODEV;
53 goto fail1;
54 }
55
56 mutex_init(&(esbp->esb_lock), NULL, MUTEX_DRIVER, NULL);
57
58 return (0);
59
60 fail1:
61 DTRACE_PROBE1(fail1, int, rc);
62
63 return (rc);
64 }
65
66 void
sfxge_bar_fini(sfxge_t * sp)67 sfxge_bar_fini(sfxge_t *sp)
68 {
69 efsys_bar_t *esbp = &(sp->s_bar);
70
71 ddi_regs_map_free(&(esbp->esb_handle));
72
73 mutex_destroy(&(esbp->esb_lock));
74
75 esbp->esb_base = NULL;
76 esbp->esb_handle = NULL;
77 }
78