rf_compat50.c revision 1.3.2.1 1 /* $NetBSD: rf_compat50.c,v 1.3.2.1 2018/03/24 01:59:15 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_debugMem.h"
51
52 typedef struct RF_Config50_s {
53 RF_RowCol_t numRow, numCol, numSpare;
54 int32_t devs[RF_MAXROW][RF_MAXCOL];
55 char devnames[RF_MAXROW][RF_MAXCOL][50];
56 int32_t spare_devs[RF_MAXSPARE];
57 char spare_names[RF_MAXSPARE][50];
58 RF_SectorNum_t sectPerSU;
59 RF_StripeNum_t SUsPerPU;
60 RF_StripeNum_t SUsPerRU;
61 RF_ParityConfig_t parityConfig;
62 RF_DiskQueueType_t diskQueueType;
63 char maxOutstandingDiskReqs;
64 char debugVars[RF_MAXDBGV][50];
65 unsigned int layoutSpecificSize;
66 void *layoutSpecific;
67 int force;
68 } RF_Config50_t;
69
70 typedef struct RF_RaidDisk50_s {
71 char devname[56];
72 RF_DiskStatus_t status;
73 RF_RowCol_t spareRow;
74 RF_RowCol_t spareCol;
75 RF_SectorCount_t numBlocks;
76 int blockSize;
77 RF_SectorCount_t partitionSize;
78 int auto_configured;
79 int32_t dev;
80 } RF_RaidDisk50_t;
81
82 typedef struct RF_DeviceConfig50_s {
83 u_int rows;
84 u_int cols;
85 u_int maxqdepth;
86 int ndevs;
87 RF_RaidDisk50_t devs[RF_MAX_DISKS];
88 int nspares;
89 RF_RaidDisk50_t spares[RF_MAX_DISKS];
90 } RF_DeviceConfig50_t;
91
92 static void
93 rf_disk_to_disk50(RF_RaidDisk50_t *d50, const RF_RaidDisk_t *d)
94 {
95 memcpy(d50->devname, d->devname, sizeof(d50->devname));
96 d50->status = d->status;
97 d50->spareRow = 0;
98 d50->spareCol = d->spareCol;
99 d50->numBlocks = d->numBlocks;
100 d50->blockSize = d->blockSize;
101 d50->partitionSize = d->partitionSize;
102 d50->auto_configured = d->auto_configured;
103 d50->dev = d->dev;
104 }
105
106 int
107 rf_config50(RF_Raid_t *raidPtr, int unit, void *data, RF_Config_t **k_cfgp)
108 {
109 RF_Config50_t *u50_cfg, *k50_cfg;
110 RF_Config_t *k_cfg;
111 size_t i, j;
112 int error;
113
114 if (raidPtr->valid) {
115 /* There is a valid RAID set running on this unit! */
116 printf("raid%d: Device already configured!\n", unit);
117 return EINVAL;
118 }
119
120 /* copy-in the configuration information */
121 /* data points to a pointer to the configuration structure */
122
123 u50_cfg = *((RF_Config50_t **) data);
124 RF_Malloc(k50_cfg, sizeof(RF_Config50_t), (RF_Config50_t *));
125 if (k50_cfg == NULL)
126 return ENOMEM;
127
128 error = copyin(u50_cfg, k50_cfg, sizeof(RF_Config50_t));
129 if (error) {
130 RF_Free(k50_cfg, sizeof(RF_Config50_t));
131 return error;
132 }
133 RF_Malloc(k_cfg, sizeof(RF_Config_t), (RF_Config_t *));
134 if (k_cfg == NULL) {
135 RF_Free(k50_cfg, sizeof(RF_Config50_t));
136 return ENOMEM;
137 }
138
139 k_cfg->numCol = k50_cfg->numCol;
140 k_cfg->numSpare = k50_cfg->numSpare;
141
142 for (i = 0; i < RF_MAXROW; i++)
143 for (j = 0; j < RF_MAXCOL; j++)
144 k_cfg->devs[i][j] = k50_cfg->devs[i][j];
145
146 memcpy(k_cfg->devnames, k50_cfg->devnames,
147 sizeof(k_cfg->devnames));
148
149 for (i = 0; i < RF_MAXSPARE; i++)
150 k_cfg->spare_devs[i] = k50_cfg->spare_devs[i];
151
152 memcpy(k_cfg->spare_names, k50_cfg->spare_names,
153 sizeof(k_cfg->spare_names));
154
155 k_cfg->sectPerSU = k50_cfg->sectPerSU;
156 k_cfg->SUsPerPU = k50_cfg->SUsPerPU;
157 k_cfg->SUsPerRU = k50_cfg->SUsPerRU;
158 k_cfg->parityConfig = k50_cfg->parityConfig;
159
160 memcpy(k_cfg->diskQueueType, k50_cfg->diskQueueType,
161 sizeof(k_cfg->diskQueueType));
162
163 k_cfg->maxOutstandingDiskReqs = k50_cfg->maxOutstandingDiskReqs;
164
165 memcpy(k_cfg->debugVars, k50_cfg->debugVars,
166 sizeof(k_cfg->debugVars));
167
168 k_cfg->layoutSpecificSize = k50_cfg->layoutSpecificSize;
169 k_cfg->layoutSpecific = k50_cfg->layoutSpecific;
170 k_cfg->force = k50_cfg->force;
171
172 RF_Free(k50_cfg, sizeof(RF_Config50_t));
173 *k_cfgp = k_cfg;
174 return 0;
175 }
176
177 int
178 rf_get_info50(RF_Raid_t *raidPtr, void *data)
179 {
180 RF_DeviceConfig50_t **ucfgp = data, *d_cfg;
181 size_t i, j;
182 int error;
183
184 if (!raidPtr->valid)
185 return ENODEV;
186
187 RF_Malloc(d_cfg, sizeof(RF_DeviceConfig50_t), (RF_DeviceConfig50_t *));
188
189 if (d_cfg == NULL)
190 return ENOMEM;
191
192 d_cfg->rows = 1; /* there is only 1 row now */
193 d_cfg->cols = raidPtr->numCol;
194 d_cfg->ndevs = raidPtr->numCol;
195 if (d_cfg->ndevs >= RF_MAX_DISKS) {
196 error = ENOMEM;
197 goto out;
198 }
199
200 d_cfg->nspares = raidPtr->numSpare;
201 if (d_cfg->nspares >= RF_MAX_DISKS) {
202 error = ENOMEM;
203 goto out;
204 }
205
206 d_cfg->maxqdepth = raidPtr->maxQueueDepth;
207 for (j = 0; j < d_cfg->cols; j++)
208 rf_disk_to_disk50(&d_cfg->devs[j], &raidPtr->Disks[j]);
209
210 for (j = d_cfg->cols, i = 0; i < d_cfg->nspares; i++, j++)
211 rf_disk_to_disk50(&d_cfg->spares[i], &raidPtr->Disks[j]);
212
213 error = copyout(d_cfg, *ucfgp, sizeof(RF_DeviceConfig50_t));
214
215 out:
216 RF_Free(d_cfg, sizeof(RF_DeviceConfig50_t));
217 return error;
218 }
219
220 int
221 raidframe_ioctl_50(int cmd, int initted, RF_Raid_t *raidPtr, int unit,
222 void *data, RF_Config_t **k_cfg)
223 {
224 int error;
225
226 switch (cmd) {
227 case RAIDFRAME_GET_INFO50:
228 if (initted == 0)
229 return ENXIO;
230 return rf_get_info50(raidPtr, data);
231
232 case RAIDFRAME_CONFIGURE50:
233 error = rf_config50(raidPtr, unit, data, k_cfg);
234 if (error != 0)
235 return error;
236 return EAGAIN; /* flag mainline to call generic config */
237 }
238 return EPASSTHROUGH;
239 }
240
241 void
242 raidframe_50_init(void)
243 {
244
245 raidframe50_ioctl = raidframe_ioctl_50;
246 }
247
248 void
249 raidframe_50_fini(void)
250 {
251
252 raidframe50_ioctl = (void *)enosys;
253 }
254