xref: /freebsd/sys/dev/ispfw/ispfw.c (revision a79b71281cd63ad7a6cc43a6d5673a2510b51630)
1 /* $FreeBSD$ */
2 /*
3  * ISP Firmware Helper Pseudo Device for FreeBSD
4  *
5  *---------------------------------------
6  * Copyright (c) 2000, by Matthew Jacob
7  * All rights reserved.
8  *---------------------------------------
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice immediately at the beginning of the file, without modification,
15  *    this list of conditions, and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
24  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/bio.h>
36 #include <sys/disk.h>
37 #include <sys/kernel.h>
38 #include <sys/malloc.h>
39 #include <sys/linker.h>
40 
41 #include <dev/ispfw/asm_1040.h>
42 #include <dev/ispfw/asm_1080.h>
43 #include <dev/ispfw/asm_12160.h>
44 #include <dev/ispfw/asm_2100.h>
45 #include <dev/ispfw/asm_2200.h>
46 
47 #define	ISPFW_VERSION	0
48 
49 #define	PCI_PRODUCT_QLOGIC_ISP1020	0x1020
50 #define	PCI_PRODUCT_QLOGIC_ISP1080	0x1080
51 #define	PCI_PRODUCT_QLOGIC_ISP12160	0x1216
52 #define	PCI_PRODUCT_QLOGIC_ISP1240	0x1240
53 #define	PCI_PRODUCT_QLOGIC_ISP1280	0x1280
54 #define	PCI_PRODUCT_QLOGIC_ISP2100	0x2100
55 #define	PCI_PRODUCT_QLOGIC_ISP2200	0x2200
56 
57 typedef void ispfwfunc __P((int, int, int, const u_int16_t **));
58 extern ispfwfunc *isp_get_firmware_p;
59 static void isp_get_firmware __P((int, int, int, const u_int16_t **));
60 
61 static int ncallers = 0;
62 static const u_int16_t ***callp = NULL;
63 static int addcaller(const u_int16_t **);
64 
65 static int
66 addcaller(const u_int16_t **caller)
67 {
68 	const u_int16_t ***newcallp;
69 	int i;
70 	for (i = 0; i < ncallers; i++) {
71 		if (callp[i] == caller)
72 			return (1);
73 	}
74 	newcallp = malloc((ncallers + 1) * sizeof (const u_int16_t ***),
75 	    M_DEVBUF, M_NOWAIT);
76 	if (newcallp == NULL) {
77 		return (0);
78 	}
79 	for (i = 0; i < ncallers; i++) {
80 		newcallp[i] = callp[i];
81 	}
82 	newcallp[ncallers] = caller;
83 	if (ncallers++)
84 		free(callp, M_DEVBUF);
85 	callp = newcallp;
86 	return (1);
87 }
88 
89 static void
90 isp_get_firmware(int version, int tgtmode, int devid, const u_int16_t **ptrp)
91 {
92 	const u_int16_t *rp = NULL;
93 
94 	if (version == ISPFW_VERSION) {
95 		switch (devid) {
96 		case PCI_PRODUCT_QLOGIC_ISP1020:
97 			if (tgtmode)
98 				rp = isp_1040_risc_code_it;
99 			else
100 				rp = isp_1040_risc_code;
101 			break;
102 		case PCI_PRODUCT_QLOGIC_ISP1080:
103 		case PCI_PRODUCT_QLOGIC_ISP1240:
104 		case PCI_PRODUCT_QLOGIC_ISP1280:
105 			if (tgtmode)
106 				rp = isp_1080_risc_code_it;
107 			else
108 				rp = isp_1080_risc_code;
109 			break;
110 		case PCI_PRODUCT_QLOGIC_ISP12160:
111 			if (tgtmode)
112 				rp = isp_12160_risc_code_it;
113 			else
114 				rp = isp_12160_risc_code;
115 			break;
116 		case PCI_PRODUCT_QLOGIC_ISP2100:
117 			rp = isp_2100_risc_code;
118 			break;
119 		case PCI_PRODUCT_QLOGIC_ISP2200:
120 			rp = isp_2200_risc_code;
121 		default:
122 			break;
123 		}
124 	}
125 	if (rp && addcaller(ptrp)) {
126 		*ptrp = rp;
127 	}
128 }
129 
130 static int
131 isp_module_handler(module_t mod, int what, void *arg)
132 {
133 	switch (what) {
134 	case MOD_LOAD:
135 		isp_get_firmware_p = isp_get_firmware;
136 		break;
137 	case MOD_UNLOAD:
138 		isp_get_firmware_p = NULL;
139 		if (ncallers)  {
140 			int i;
141 			for (i = 0; i < ncallers; i++) {
142 				*callp[i] = NULL;
143 			}
144 			free(callp, M_DEVBUF);
145 		}
146 		break;
147 	default:
148 		break;
149 	}
150 	return (0);
151 }
152 static moduledata_t ispfw_mod = {
153 	"ispfw", isp_module_handler, NULL
154 };
155 DECLARE_MODULE(ispfw, ispfw_mod, SI_SUB_DRIVERS, SI_ORDER_THIRD);
156 MODULE_VERSION(ispfw, ISPFW_VERSION);
157 MODULE_DEPEND(ispfw, isp, 1, 1, 1);
158