rf_compat50.c revision 1.3.2.3 1 /* $NetBSD: rf_compat50.c,v 1.3.2.3 2018/09/17 11:04:30 pgoyette 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
43 #include <sys/compat_stub.h>
44
45 #include <dev/raidframe/raidframeio.h>
46 #include <dev/raidframe/raidframevar.h>
47
48 #include "rf_raid.h"
49 #include "rf_compat50.h"
50 #include "rf_compat50_mod.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 int
108 rf_config50(RF_Raid_t *raidPtr, int unit, void *data, RF_Config_t **k_cfgp)
109 {
110 RF_Config50_t *u50_cfg, *k50_cfg;
111 RF_Config_t *k_cfg;
112 size_t i, j;
113 int error;
114
115 if (raidPtr->valid) {
116 /* There is a valid RAID set running on this unit! */
117 printf("raid%d: Device already configured!\n", unit);
118 return EINVAL;
119 }
120
121 /* copy-in the configuration information */
122 /* data points to a pointer to the configuration structure */
123
124 u50_cfg = *((RF_Config50_t **) data);
125 RF_Malloc(k50_cfg, sizeof(RF_Config50_t), (RF_Config50_t *));
126 if (k50_cfg == NULL)
127 return ENOMEM;
128
129 error = copyin(u50_cfg, k50_cfg, sizeof(RF_Config50_t));
130 if (error) {
131 RF_Free(k50_cfg, sizeof(RF_Config50_t));
132 return error;
133 }
134 RF_Malloc(k_cfg, sizeof(RF_Config_t), (RF_Config_t *));
135 if (k_cfg == NULL) {
136 RF_Free(k50_cfg, sizeof(RF_Config50_t));
137 return ENOMEM;
138 }
139
140 k_cfg->numCol = k50_cfg->numCol;
141 k_cfg->numSpare = k50_cfg->numSpare;
142
143 for (i = 0; i < RF_MAXROW; i++)
144 for (j = 0; j < RF_MAXCOL; j++)
145 k_cfg->devs[i][j] = k50_cfg->devs[i][j];
146
147 memcpy(k_cfg->devnames, k50_cfg->devnames,
148 sizeof(k_cfg->devnames));
149
150 for (i = 0; i < RF_MAXSPARE; i++)
151 k_cfg->spare_devs[i] = k50_cfg->spare_devs[i];
152
153 memcpy(k_cfg->spare_names, k50_cfg->spare_names,
154 sizeof(k_cfg->spare_names));
155
156 k_cfg->sectPerSU = k50_cfg->sectPerSU;
157 k_cfg->SUsPerPU = k50_cfg->SUsPerPU;
158 k_cfg->SUsPerRU = k50_cfg->SUsPerRU;
159 k_cfg->parityConfig = k50_cfg->parityConfig;
160
161 memcpy(k_cfg->diskQueueType, k50_cfg->diskQueueType,
162 sizeof(k_cfg->diskQueueType));
163
164 k_cfg->maxOutstandingDiskReqs = k50_cfg->maxOutstandingDiskReqs;
165
166 memcpy(k_cfg->debugVars, k50_cfg->debugVars,
167 sizeof(k_cfg->debugVars));
168
169 k_cfg->layoutSpecificSize = k50_cfg->layoutSpecificSize;
170 k_cfg->layoutSpecific = k50_cfg->layoutSpecific;
171 k_cfg->force = k50_cfg->force;
172
173 RF_Free(k50_cfg, sizeof(RF_Config50_t));
174 *k_cfgp = k_cfg;
175 return 0;
176 }
177
178 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 int
222 raidframe_ioctl_50(int cmd, int initted, RF_Raid_t *raidPtr, int unit,
223 void *data, RF_Config_t **k_cfg)
224 {
225 int error;
226
227 switch (cmd) {
228 case RAIDFRAME_GET_INFO50:
229 if (initted == 0)
230 return ENXIO;
231 return rf_get_info50(raidPtr, data);
232
233 case RAIDFRAME_CONFIGURE50:
234 error = rf_config50(raidPtr, unit, data, k_cfg);
235 if (error != 0)
236 return error;
237 return EAGAIN; /* flag mainline to call generic config */
238 }
239 return EPASSTHROUGH;
240 }
241
242 COMPAT_SET_HOOK(raidframe50_ioctl_hook, "raid50", raidframe_ioctl_50);
243 COMPAT_UNSET_HOOK(raidframe50_ioctl_hook)
244
245 void
246 raidframe_50_init(void)
247 {
248
249 raidframe50_ioctl_hook_set();
250 }
251
252 void
253 raidframe_50_fini(void)
254 {
255
256 raidframe50_ioctl_hook_unset();
257 }
258