| geom_pc98.c (116196) | geom_pc98.c (119660) |
|---|---|
| 1/*- 2 * Copyright (c) 2002 Poul-Henning Kamp 3 * Copyright (c) 2002 Networks Associates Technology, Inc. 4 * All rights reserved. 5 * 6 * This software was developed for the FreeBSD Project by Poul-Henning Kamp 7 * and NAI Labs, the Security Research Division of Network Associates, Inc. 8 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the --- 17 unchanged lines hidden (view full) --- 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/cdefs.h> | 1/*- 2 * Copyright (c) 2002 Poul-Henning Kamp 3 * Copyright (c) 2002 Networks Associates Technology, Inc. 4 * All rights reserved. 5 * 6 * This software was developed for the FreeBSD Project by Poul-Henning Kamp 7 * and NAI Labs, the Security Research Division of Network Associates, Inc. 8 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the --- 17 unchanged lines hidden (view full) --- 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/cdefs.h> |
| 34__FBSDID("$FreeBSD: head/sys/geom/geom_pc98.c 116196 2003-06-11 06:49:16Z obrien $"); | 34__FBSDID("$FreeBSD: head/sys/geom/geom_pc98.c 119660 2003-09-01 20:45:32Z phk $"); |
| 35 36#include <sys/param.h> 37#include <sys/endian.h> 38#include <sys/systm.h> 39#include <sys/kernel.h> 40#include <sys/malloc.h> 41#include <sys/bio.h> 42#include <sys/lock.h> --- 86 unchanged lines hidden (view full) --- 129 ms->sectorsize, "%ss%d", gp->name, i + 1); 130 } 131 132 bcopy(sec, ms->sec, sizeof (ms->sec)); 133 134 return (0); 135} 136 | 35 36#include <sys/param.h> 37#include <sys/endian.h> 38#include <sys/systm.h> 39#include <sys/kernel.h> 40#include <sys/malloc.h> 41#include <sys/bio.h> 42#include <sys/lock.h> --- 86 unchanged lines hidden (view full) --- 129 ms->sectorsize, "%ss%d", gp->name, i + 1); 130 } 131 132 bcopy(sec, ms->sec, sizeof (ms->sec)); 133 134 return (0); 135} 136 |
| 137static void 138g_pc98_ioctl(void *arg, int flag) | 137static int 138g_pc98_ioctl(struct g_provider *pp, u_long cmd, void *data, struct thread *td) |
| 139{ | 139{ |
| 140 struct bio *bp; | |
| 141 struct g_geom *gp; | 140 struct g_geom *gp; |
| 142 struct g_slicer *gsp; | |
| 143 struct g_pc98_softc *ms; | 141 struct g_pc98_softc *ms; |
| 144 struct g_ioctl *gio; | 142 struct g_slicer *gsp; |
| 145 struct g_consumer *cp; | 143 struct g_consumer *cp; |
| 146 u_char *sec; | |
| 147 int error; 148 | 144 int error; 145 |
| 149 bp = arg; 150 if (flag == EV_CANCEL) { 151 g_io_deliver(bp, ENXIO); 152 return; 153 } 154 gp = bp->bio_to->geom; | 146 gp = pp->geom; |
| 155 gsp = gp->softc; 156 ms = gsp->softc; | 147 gsp = gp->softc; 148 ms = gsp->softc; |
| 157 gio = (struct g_ioctl *)bp->bio_data; | |
| 158 | 149 |
| 159 /* The disklabel to set is the ioctl argument. */ 160 sec = gio->data; 161 162 error = g_pc98_modify(gp, ms, sec); 163 if (error) { 164 g_io_deliver(bp, error); 165 return; | 150 switch(cmd) { 151 case DIOCSPC98: { 152 DROP_GIANT(); 153 g_topology_lock(); 154 /* Validate and modify our slicer instance to match. */ 155 error = g_pc98_modify(gp, ms, data); 156 cp = LIST_FIRST(&gp->consumer); 157 error = g_write_data(cp, 0, data, 8192); 158 g_topology_unlock(); 159 PICKUP_GIANT(); 160 return(error); |
| 166 } | 161 } |
| 167 cp = LIST_FIRST(&gp->consumer); 168 error = g_write_data(cp, 0, sec, 8192); 169 g_io_deliver(bp, error); | 162 default: 163 return (ENOIOCTL); 164 } |
| 170} 171 172static int 173g_pc98_start(struct bio *bp) 174{ 175 struct g_provider *pp; 176 struct g_geom *gp; 177 struct g_pc98_softc *mp; 178 struct g_slicer *gsp; | 165} 166 167static int 168g_pc98_start(struct bio *bp) 169{ 170 struct g_provider *pp; 171 struct g_geom *gp; 172 struct g_pc98_softc *mp; 173 struct g_slicer *gsp; |
| 179 struct g_ioctl *gio; 180 int idx, error; | 174 int idx; |
| 181 182 pp = bp->bio_to; 183 idx = pp->index; 184 gp = pp->geom; 185 gsp = gp->softc; 186 mp = gsp->softc; 187 if (bp->bio_cmd == BIO_GETATTR) { 188 if (g_handleattr_int(bp, "PC98::type", mp->type[idx])) 189 return (1); 190 if (g_handleattr_off_t(bp, "PC98::offset", 191 gsp->slices[idx].offset)) 192 return (1); 193 } 194 | 175 176 pp = bp->bio_to; 177 idx = pp->index; 178 gp = pp->geom; 179 gsp = gp->softc; 180 mp = gsp->softc; 181 if (bp->bio_cmd == BIO_GETATTR) { 182 if (g_handleattr_int(bp, "PC98::type", mp->type[idx])) 183 return (1); 184 if (g_handleattr_off_t(bp, "PC98::offset", 185 gsp->slices[idx].offset)) 186 return (1); 187 } 188 |
| 195 /* We only handle ioctl(2) requests of the right format. */ 196 if (strcmp(bp->bio_attribute, "GEOM::ioctl")) 197 return (0); 198 else if (bp->bio_length != sizeof(*gio)) 199 return (0); 200 /* Get hold of the ioctl parameters. */ 201 gio = (struct g_ioctl *)bp->bio_data; 202 203 switch (gio->cmd) { 204 case DIOCSPC98: 205 /* 206 * These we cannot do without the topology lock and some 207 * some I/O requests. Ask the event-handler to schedule 208 * us in a less restricted environment. 209 */ 210 error = g_post_event(g_pc98_ioctl, bp, M_NOWAIT, gp, NULL); 211 if (error) 212 g_io_deliver(bp, error); 213 /* 214 * We must return non-zero to indicate that we will deal 215 * with this bio, even though we have not done so yet. 216 */ 217 return (1); 218 default: 219 return (0); 220 } | 189 return (0); |
| 221} 222 223static void 224g_pc98_dumpconf(struct sbuf *sb, const char *indent, struct g_geom *gp, 225 struct g_consumer *cp __unused, struct g_provider *pp) 226{ 227 struct g_pc98_softc *mp; 228 struct g_slicer *gsp; --- 36 unchanged lines hidden (view full) --- 265 if (flags == G_TF_NORMAL && 266 !strcmp(pp->geom->class->name, PC98_CLASS_NAME)) 267 return (NULL); 268 gp = g_slice_new(mp, NDOSPART, pp, &cp, &ms, sizeof *ms, g_pc98_start); 269 if (gp == NULL) 270 return (NULL); 271 g_topology_unlock(); 272 gp->dumpconf = g_pc98_dumpconf; | 190} 191 192static void 193g_pc98_dumpconf(struct sbuf *sb, const char *indent, struct g_geom *gp, 194 struct g_consumer *cp __unused, struct g_provider *pp) 195{ 196 struct g_pc98_softc *mp; 197 struct g_slicer *gsp; --- 36 unchanged lines hidden (view full) --- 234 if (flags == G_TF_NORMAL && 235 !strcmp(pp->geom->class->name, PC98_CLASS_NAME)) 236 return (NULL); 237 gp = g_slice_new(mp, NDOSPART, pp, &cp, &ms, sizeof *ms, g_pc98_start); 238 if (gp == NULL) 239 return (NULL); 240 g_topology_unlock(); 241 gp->dumpconf = g_pc98_dumpconf; |
| 242 gp->ioctl = g_pc98_ioctl; |
|
| 273 do { 274 if (gp->rank != 2 && flags == G_TF_NORMAL) 275 break; 276 error = g_getattr("GEOM::fwsectors", cp, &fwsectors); 277 if (error || fwsectors == 0) { 278 fwsectors = 17; 279 if (bootverbose) 280 printf("g_pc98_taste: guessing %d sectors\n", --- 39 unchanged lines hidden --- | 243 do { 244 if (gp->rank != 2 && flags == G_TF_NORMAL) 245 break; 246 error = g_getattr("GEOM::fwsectors", cp, &fwsectors); 247 if (error || fwsectors == 0) { 248 fwsectors = 17; 249 if (bootverbose) 250 printf("g_pc98_taste: guessing %d sectors\n", --- 39 unchanged lines hidden --- |