rf_compat50.c revision 1.8 1 /* $NetBSD: rf_compat50.c,v 1.8 2019/02/05 23:28:02 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2009 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
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, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/types.h>
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/module.h>
43
44 #include <sys/compat_stub.h>
45
46 #include <dev/raidframe/raidframeio.h>
47 #include <dev/raidframe/raidframevar.h>
48
49 #include "rf_raid.h"
50 #include "rf_compat50.h"
51 #include "rf_debugMem.h"
52
53 typedef struct RF_Config50_s {
54 RF_RowCol_t numRow, numCol, numSpare;
55 int32_t devs[RF_MAXROW][RF_MAXCOL];
56 char devnames[RF_MAXROW][RF_MAXCOL][50];
57 int32_t spare_devs[RF_MAXSPARE];
58 char spare_names[RF_MAXSPARE][50];
59 RF_SectorNum_t sectPerSU;
60 RF_StripeNum_t SUsPerPU;
61 RF_StripeNum_t SUsPerRU;
62 RF_ParityConfig_t parityConfig;
63 RF_DiskQueueType_t diskQueueType;
64 char maxOutstandingDiskReqs;
65 char debugVars[RF_MAXDBGV][50];
66 unsigned int layoutSpecificSize;
67 void *layoutSpecific;
68 int force;
69 } RF_Config50_t;
70
71 typedef struct RF_RaidDisk50_s {
72 char devname[56];
73 RF_DiskStatus_t status;
74 RF_RowCol_t spareRow;
75 RF_RowCol_t spareCol;
76 RF_SectorCount_t numBlocks;
77 int blockSize;
78 RF_SectorCount_t partitionSize;
79 int auto_configured;
80 int32_t dev;
81 } RF_RaidDisk50_t;
82
83 typedef struct RF_DeviceConfig50_s {
84 u_int rows;
85 u_int cols;
86 u_int maxqdepth;
87 int ndevs;
88 RF_RaidDisk50_t devs[RF_MAX_DISKS];
89 int nspares;
90 RF_RaidDisk50_t spares[RF_MAX_DISKS];
91 } RF_DeviceConfig50_t;
92
93 static void
94 rf_disk_to_disk50(RF_RaidDisk50_t *d50, const RF_RaidDisk_t *d)
95 {
96 memcpy(d50->devname, d->devname, sizeof(d50->devname));
97 d50->status = d->status;
98 d50->spareRow = 0;
99 d50->spareCol = d->spareCol;
100 d50->numBlocks = d->numBlocks;
101 d50->blockSize = d->blockSize;
102 d50->partitionSize = d->partitionSize;
103 d50->auto_configured = d->auto_configured;
104 d50->dev = d->dev;
105 }
106
107 static int
108 rf_config50(struct raid_softc *rs, void *data)
109 {
110 RF_Config50_t *u50_cfg, *k50_cfg;
111 RF_Config_t *k_cfg;
112 RF_Raid_t *raidPtr = rf_get_raid(rs);
113 size_t i, j;
114 int error;
115
116 if (raidPtr->valid) {
117 /* There is a valid RAID set running on this unit! */
118 printf("raid%d: Device already configured!\n", rf_get_unit(rs));
119 return EINVAL;
120 }
121
122 /* copy-in the configuration information */
123 /* data points to a pointer to the configuration structure */
124
125 u50_cfg = *((RF_Config50_t **) data);
126 RF_Malloc(k50_cfg, sizeof(RF_Config50_t), (RF_Config50_t *));
127 if (k50_cfg == NULL)
128 return ENOMEM;
129
130 error = copyin(u50_cfg, k50_cfg, sizeof(RF_Config50_t));
131 if (error) {
132 RF_Free(k50_cfg, sizeof(RF_Config50_t));
133 return error;
134 }
135 RF_Malloc(k_cfg, sizeof(RF_Config_t), (RF_Config_t *));
136 if (k_cfg == NULL) {
137 RF_Free(k50_cfg, sizeof(RF_Config50_t));
138 return ENOMEM;
139 }
140
141 k_cfg->numCol = k50_cfg->numCol;
142 k_cfg->numSpare = k50_cfg->numSpare;
143
144 for (i = 0; i < RF_MAXROW; i++)
145 for (j = 0; j < RF_MAXCOL; j++)
146 k_cfg->devs[i][j] = k50_cfg->devs[i][j];
147
148 memcpy(k_cfg->devnames, k50_cfg->devnames,
149 sizeof(k_cfg->devnames));
150
151 for (i = 0; i < RF_MAXSPARE; i++)
152 k_cfg->spare_devs[i] = k50_cfg->spare_devs[i];
153
154 memcpy(k_cfg->spare_names, k50_cfg->spare_names,
155 sizeof(k_cfg->spare_names));
156
157 k_cfg->sectPerSU = k50_cfg->sectPerSU;
158 k_cfg->SUsPerPU = k50_cfg->SUsPerPU;
159 k_cfg->SUsPerRU = k50_cfg->SUsPerRU;
160 k_cfg->parityConfig = k50_cfg->parityConfig;
161
162 memcpy(k_cfg->diskQueueType, k50_cfg->diskQueueType,
163 sizeof(k_cfg->diskQueueType));
164
165 k_cfg->maxOutstandingDiskReqs = k50_cfg->maxOutstandingDiskReqs;
166
167 memcpy(k_cfg->debugVars, k50_cfg->debugVars,
168 sizeof(k_cfg->debugVars));
169
170 k_cfg->layoutSpecificSize = k50_cfg->layoutSpecificSize;
171 k_cfg->layoutSpecific = k50_cfg->layoutSpecific;
172 k_cfg->force = k50_cfg->force;
173
174 RF_Free(k50_cfg, sizeof(RF_Config50_t));
175 return rf_construct(rs, k_cfg);
176 }
177
178 static int
179 rf_get_info50(RF_Raid_t *raidPtr, void *data)
180 {
181 RF_DeviceConfig50_t **ucfgp = data, *d_cfg;
182 size_t i, j;
183 int error;
184
185 if (!raidPtr->valid)
186 return ENODEV;
187
188 RF_Malloc(d_cfg, sizeof(RF_DeviceConfig50_t), (RF_DeviceConfig50_t *));
189
190 if (d_cfg == NULL)
191 return ENOMEM;
192
193 d_cfg->rows = 1; /* there is only 1 row now */
194 d_cfg->cols = raidPtr->numCol;
195 d_cfg->ndevs = raidPtr->numCol;
196 if (d_cfg->ndevs >= RF_MAX_DISKS) {
197 error = ENOMEM;
198 goto out;
199 }
200
201 d_cfg->nspares = raidPtr->numSpare;
202 if (d_cfg->nspares >= RF_MAX_DISKS) {
203 error = ENOMEM;
204 goto out;
205 }
206
207 d_cfg->maxqdepth = raidPtr->maxQueueDepth;
208 for (j = 0; j < d_cfg->cols; j++)
209 rf_disk_to_disk50(&d_cfg->devs[j], &raidPtr->Disks[j]);
210
211 for (j = d_cfg->cols, i = 0; i < d_cfg->nspares; i++, j++)
212 rf_disk_to_disk50(&d_cfg->spares[i], &raidPtr->Disks[j]);
213
214 error = copyout(d_cfg, *ucfgp, sizeof(RF_DeviceConfig50_t));
215
216 out:
217 RF_Free(d_cfg, sizeof(RF_DeviceConfig50_t));
218 return error;
219 }
220
221 static int
222 raidframe_ioctl_50(struct raid_softc *rs, u_long cmd, void *data)
223 {
224 RF_Raid_t *raidPtr = rf_get_raid(rs);
225
226 switch (cmd) {
227 case RAIDFRAME_GET_INFO50:
228 if (!rf_inited(rs))
229 return ENXIO;
230 return rf_get_info50(raidPtr, data);
231
232 case RAIDFRAME_CONFIGURE50:
233 return rf_config50(rs, data);
234 default:
235 return EPASSTHROUGH;
236 }
237 }
238
239 static void
240 raidframe_50_init(void)
241 {
242
243 MODULE_SET_HOOK(raidframe_ioctl_50_hook, "raid50", raidframe_ioctl_50);
244 }
245
246 static void
247 raidframe_50_fini(void)
248 {
249
250 MODULE_UNSET_HOOK(raidframe_ioctl_50_hook);
251 }
252
253 MODULE(MODULE_CLASS_EXEC, compat_raid_50, "raid,compat_50,compat_raid_80");
254
255 static int
256 compat_raid_50_modcmd(modcmd_t cmd, void *arg)
257 {
258
259 switch (cmd) {
260 case MODULE_CMD_INIT:
261 raidframe_50_init();
262 return 0;
263 case MODULE_CMD_FINI:
264 raidframe_50_fini();
265 return 0;
266 default:
267 return ENOTTY;
268 }
269 }
270