1 /* $NetBSD: rf_compat32.c,v 1.9 2021/12/11 19:24:21 mrg Exp $ */
2
3 /*
4 * Copyright (c) 2017 Matthew R. Green
5 * All rights reserved.
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 ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * 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/types.h>
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/module.h>
33 #include <sys/compat_stub.h>
34
35 #include <dev/raidframe/raidframeio.h>
36 #include <dev/raidframe/raidframevar.h>
37
38 #include "rf_raid.h"
39 #include "rf_kintf.h"
40 #include "rf_compat32.h"
41
42 #include <compat/netbsd32/netbsd32.h>
43
44 typedef netbsd32_int64 RF_SectorNum_t32;
45 typedef netbsd32_int64 RF_StripeNum_t32;
46
47 /* from <dev/raidframe/raidframevar.h> */
48 typedef struct RF_Config_s32 {
49 RF_RowCol_t numCol, numSpare; /* number of rows, columns,
50 * and spare disks */
51 dev_t devs[RF_MAXROW][RF_MAXCOL]; /* device numbers for disks
52 * comprising array */
53 char devnames[RF_MAXROW][RF_MAXCOL][50]; /* device names */
54 dev_t spare_devs[RF_MAXSPARE]; /* device numbers for spare
55 * disks */
56 char spare_names[RF_MAXSPARE][50]; /* device names */
57 RF_SectorNum_t32 sectPerSU; /* sectors per stripe unit */
58 RF_StripeNum_t32 SUsPerPU;/* stripe units per parity unit */
59 RF_StripeNum_t32 SUsPerRU;/* stripe units per reconstruction unit */
60 RF_ParityConfig_t parityConfig; /* identifies the RAID architecture to
61 * be used */
62 RF_DiskQueueType_t diskQueueType; /* 'f' = fifo, 'c' = cvscan,
63 * not used in kernel */
64 char maxOutstandingDiskReqs; /* # concurrent reqs to be sent to a
65 * disk. not used in kernel. */
66 char debugVars[RF_MAXDBGV][50]; /* space for specifying debug
67 * variables & their values */
68 unsigned int layoutSpecificSize; /* size in bytes of
69 * layout-specific info */
70 netbsd32_pointer_t layoutSpecific; /* a pointer to a layout-specific structure to
71 * be copied in */
72 int force; /* if !0, ignore many fatal
73 configuration conditions */
74 /*
75 "force" is used to override cases where the component labels would
76 indicate that configuration should not proceed without user
77 intervention
78 */
79 } RF_Config_t32;
80
81 static int
rf_config_netbsd32(struct raid_softc * rs,void * data)82 rf_config_netbsd32(struct raid_softc *rs, void *data)
83 {
84 RF_Config_t32 *u_cfg32 = NETBSD32PTR64(*(netbsd32_pointer_t *)data);
85 RF_Config_t *k_cfg;
86 RF_Config_t32 *k_cfg32;
87 int rv;
88
89 k_cfg32 = RF_Malloc(sizeof(*k_cfg32));
90 if (k_cfg32 == NULL)
91 return ENOMEM;
92
93 rv = copyin(u_cfg32, k_cfg32, sizeof(RF_Config_t32));
94 if (rv) {
95 RF_Free(k_cfg32, sizeof(RF_Config_t32));
96 return ENOMEM;
97 }
98
99 k_cfg = RF_Malloc(sizeof(*k_cfg));
100 if (k_cfg == NULL) {
101 RF_Free(k_cfg32, sizeof(RF_Config_t32));
102 return ENOMEM;
103 }
104 k_cfg->numCol = k_cfg32->numCol;
105 k_cfg->numSpare = k_cfg32->numSpare;
106 memcpy(k_cfg->devs, k_cfg32->devs, sizeof(k_cfg->devs));
107 memcpy(k_cfg->devnames, k_cfg32->devnames, sizeof(k_cfg->devnames));
108 memcpy(k_cfg->spare_devs, k_cfg32->spare_devs,
109 sizeof(k_cfg->spare_devs));
110 memcpy(k_cfg->spare_names, k_cfg32->spare_names,
111 sizeof(k_cfg->spare_names));
112 k_cfg->sectPerSU = k_cfg32->sectPerSU;
113 k_cfg->SUsPerPU = k_cfg32->SUsPerPU;
114 k_cfg->SUsPerRU = k_cfg32->SUsPerRU;
115 k_cfg->parityConfig = k_cfg32->parityConfig;
116 memcpy(k_cfg->diskQueueType, k_cfg32->diskQueueType,
117 sizeof(k_cfg->diskQueueType));
118 k_cfg->maxOutstandingDiskReqs = k_cfg32->maxOutstandingDiskReqs;
119 memcpy(k_cfg->debugVars, k_cfg32->debugVars, sizeof(k_cfg->debugVars));
120 k_cfg->layoutSpecificSize = k_cfg32->layoutSpecificSize;
121 k_cfg->layoutSpecific = NETBSD32PTR64(k_cfg32->layoutSpecific);
122 k_cfg->force = k_cfg32->force;
123
124 return rf_construct(rs, k_cfg);
125 }
126
127 static int
rf_get_info_netbsd32(RF_Raid_t * raidPtr,void * data)128 rf_get_info_netbsd32(RF_Raid_t *raidPtr, void *data)
129 {
130 int retcode;
131 void *ucfgp = NETBSD32PTR64(*(netbsd32_pointer_t *)data);
132
133 RF_DeviceConfig_t *d_cfg = RF_Malloc(sizeof(*d_cfg));
134 if (d_cfg == NULL)
135 return ENOMEM;
136
137 retcode = rf_get_info(raidPtr, d_cfg);
138 if (retcode == 0) {
139 retcode = copyout(d_cfg, ucfgp, sizeof(*d_cfg));
140 }
141 RF_Free(d_cfg, sizeof(RF_DeviceConfig_t));
142 return retcode;
143 }
144
145 static int
raidframe_netbsd32_ioctl(struct raid_softc * rs,u_long cmd,void * data)146 raidframe_netbsd32_ioctl(struct raid_softc *rs, u_long cmd, void *data)
147 {
148 RF_Raid_t *raidPtr = rf_get_raid(rs);
149
150 switch (cmd) {
151 case RAIDFRAME_GET_INFO32:
152 if (!rf_inited(rs))
153 return ENXIO;
154 return rf_get_info_netbsd32(raidPtr, data);
155 case RAIDFRAME_CONFIGURE32:
156 return rf_config_netbsd32(rs, data);
157 default:
158 return EPASSTHROUGH;
159 }
160 }
161
162
163 static void
raidframe_netbsd32_init(void)164 raidframe_netbsd32_init(void)
165 {
166
167 MODULE_HOOK_SET(raidframe_netbsd32_ioctl_hook,
168 raidframe_netbsd32_ioctl);
169 }
170
171 static void
raidframe_netbsd32_fini(void)172 raidframe_netbsd32_fini(void)
173 {
174
175 MODULE_HOOK_UNSET(raidframe_netbsd32_ioctl_hook);
176 }
177
178 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_raid, "raid,compat_netbsd32");
179
180 static int
compat_netbsd32_raid_modcmd(modcmd_t cmd,void * arg)181 compat_netbsd32_raid_modcmd(modcmd_t cmd, void *arg)
182 {
183
184 switch (cmd) {
185 case MODULE_CMD_INIT:
186 raidframe_netbsd32_init();
187 return 0;
188 case MODULE_CMD_FINI:
189 raidframe_netbsd32_fini();
190 return 0;
191 default:
192 return ENOTTY;
193 }
194 }
195
196