FreeBSD/Linux Kernel Cross Reference
sys/dev/ips/ips_pci.c
1 /*-
2 * Copyright (c) 2002 Adaptec Inc.
3 * All rights reserved.
4 *
5 * Written by: David Jeffery
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: releng/11.0/sys/dev/ips/ips_pci.c 274488 2014-11-13 22:06:57Z jhb $");
31
32 #include <dev/ips/ipsreg.h>
33 #include <dev/ips/ips.h>
34
35 #include <dev/pci/pcireg.h>
36 #include <dev/pci/pcivar.h>
37
38 static int ips_pci_free(ips_softc_t *sc);
39 static void ips_intrhook(void *arg);
40
41 static int ips_pci_probe(device_t dev)
42 {
43
44 if ((pci_get_vendor(dev) == IPS_VENDOR_ID) &&
45 (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)) {
46 device_set_desc(dev, "IBM ServeRAID Adapter");
47 return (BUS_PROBE_DEFAULT);
48 } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID) &&
49 (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)) {
50 device_set_desc(dev, "IBM ServeRAID Adapter");
51 return (BUS_PROBE_DEFAULT);
52 } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID_ADAPTEC) &&
53 (pci_get_device(dev) == IPS_MARCO_DEVICE_ID)) {
54 device_set_desc(dev, "Adaptec ServeRAID Adapter");
55 return (BUS_PROBE_DEFAULT);
56 }
57 return(ENXIO);
58 }
59
60 static int ips_pci_attach(device_t dev)
61 {
62 ips_softc_t *sc;
63
64 DEVICE_PRINTF(1, dev, "in attach.\n");
65 sc = (ips_softc_t *)device_get_softc(dev);
66 sc->dev = dev;
67 mtx_init(&sc->queue_mtx, "IPS bioqueue lock", NULL, MTX_DEF);
68 sema_init(&sc->cmd_sema, 0, "IPS Command Semaphore");
69 callout_init_mtx(&sc->timer, &sc->queue_mtx, 0);
70
71 if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){
72 sc->ips_adapter_reinit = ips_morpheus_reinit;
73 sc->ips_adapter_intr = ips_morpheus_intr;
74 sc->ips_issue_cmd = ips_issue_morpheus_cmd;
75 sc->ips_poll_cmd = ips_morpheus_poll;
76 } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){
77 sc->ips_adapter_reinit = ips_copperhead_reinit;
78 sc->ips_adapter_intr = ips_copperhead_intr;
79 sc->ips_issue_cmd = ips_issue_copperhead_cmd;
80 sc->ips_poll_cmd = ips_copperhead_poll;
81 } else if (pci_get_device(dev) == IPS_MARCO_DEVICE_ID){
82 sc->ips_adapter_reinit = ips_morpheus_reinit;
83 sc->ips_adapter_intr = ips_morpheus_intr;
84 sc->ips_issue_cmd = ips_issue_morpheus_cmd;
85 sc->ips_poll_cmd = ips_morpheus_poll;
86 } else
87 goto error;
88 /* make sure busmastering is on */
89 pci_enable_busmaster(dev);
90 /* setting up io space */
91 sc->iores = NULL;
92 PRINTF(10, "trying MEMIO\n");
93 if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)
94 sc->rid = PCIR_BAR(1);
95 else
96 sc->rid = PCIR_BAR(0);
97 sc->iotype = SYS_RES_MEMORY;
98 sc->iores = bus_alloc_resource_any(dev, sc->iotype, &sc->rid,
99 RF_ACTIVE);
100 if(!sc->iores){
101 PRINTF(10, "trying PORTIO\n");
102 sc->rid = PCIR_BAR(0);
103 sc->iotype = SYS_RES_IOPORT;
104 sc->iores = bus_alloc_resource_any(dev, sc->iotype,
105 &sc->rid, RF_ACTIVE);
106 }
107 if(sc->iores == NULL){
108 device_printf(dev, "resource allocation failed\n");
109 return (ENXIO);
110 }
111 /*allocate an interrupt. when does the irq become active? after leaving attach? */
112 sc->irqrid = 0;
113 if(!(sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ,
114 &sc->irqrid, RF_SHAREABLE | RF_ACTIVE))){
115 device_printf(dev, "irq allocation failed\n");
116 goto error;
117 }
118 if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO|INTR_MPSAFE, NULL,
119 sc->ips_adapter_intr, sc, &sc->irqcookie)){
120 device_printf(dev, "irq setup failed\n");
121 goto error;
122 }
123 if (bus_dma_tag_create( /* PCI parent */bus_get_dma_tag(dev),
124 /* alignemnt */ 1,
125 /* boundary */ 0,
126 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
127 /* highaddr */ BUS_SPACE_MAXADDR,
128 /* filter */ NULL,
129 /* filterarg */ NULL,
130 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
131 /* numsegs */ IPS_MAX_SG_ELEMENTS,
132 /* maxsegsize*/ BUS_SPACE_MAXSIZE_32BIT,
133 /* flags */ 0,
134 /* lockfunc */ NULL,
135 /* lockarg */ NULL,
136 &sc->adapter_dmatag) != 0) {
137 device_printf(dev, "can't alloc dma tag\n");
138 goto error;
139 }
140 sc->ips_ich.ich_func = ips_intrhook;
141 sc->ips_ich.ich_arg = sc;
142 bioq_init(&sc->queue);
143 if (config_intrhook_establish(&sc->ips_ich) != 0) {
144 printf("IPS can't establish configuration hook\n");
145 goto error;
146 }
147 return 0;
148 error:
149 ips_pci_free(sc);
150 return (ENXIO);
151 }
152
153 static void
154 ips_intrhook(void *arg)
155 {
156 struct ips_softc *sc = (struct ips_softc *)arg;
157
158 config_intrhook_disestablish(&sc->ips_ich);
159 if (ips_adapter_init(sc))
160 ips_pci_free(sc);
161 else
162 sc->configured = 1;
163 }
164
165 static int ips_pci_free(ips_softc_t *sc)
166 {
167 if(sc->adapter_dmatag)
168 bus_dma_tag_destroy(sc->adapter_dmatag);
169 if(sc->irqcookie)
170 bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie);
171 if(sc->irqres)
172 bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres);
173 if(sc->iores)
174 bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores);
175 sc->configured = 0;
176 mtx_destroy(&sc->queue_mtx);
177 sema_destroy(&sc->cmd_sema);
178 return 0;
179 }
180
181 static int ips_pci_detach(device_t dev)
182 {
183 ips_softc_t *sc;
184 DEVICE_PRINTF(1, dev, "detaching ServeRaid\n");
185 sc = (ips_softc_t *) device_get_softc(dev);
186 if (sc->configured) {
187 sc->configured = 0;
188 ips_flush_cache(sc);
189 if(ips_adapter_free(sc))
190 return EBUSY;
191 ips_pci_free(sc);
192 bioq_flush(&sc->queue, NULL, ENXIO);
193 }
194 return 0;
195 }
196
197 static int ips_pci_shutdown(device_t dev)
198 {
199 ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev);
200 if (sc->configured) {
201 ips_flush_cache(sc);
202 }
203 return 0;
204 }
205
206 static device_method_t ips_driver_methods[] = {
207 DEVMETHOD(device_probe, ips_pci_probe),
208 DEVMETHOD(device_attach, ips_pci_attach),
209 DEVMETHOD(device_detach, ips_pci_detach),
210 DEVMETHOD(device_shutdown, ips_pci_shutdown),
211 {0,0}
212 };
213
214 static driver_t ips_pci_driver = {
215 "ips",
216 ips_driver_methods,
217 sizeof(ips_softc_t),
218 };
219
220 static devclass_t ips_devclass;
221 DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0);
Cache object: 1e5df6f34e7f6605dda8b6ab2b1acb54
|