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 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 |
137static int 138g_pc98_ioctl(struct g_provider *pp, u_long cmd, void *data, struct thread *td) |
139{ |
140 struct g_geom *gp; |
141 struct g_pc98_softc *ms; |
142 struct g_slicer *gsp; |
143 struct g_consumer *cp; |
144 int error; 145 |
146 gp = pp->geom; |
147 gsp = gp->softc; 148 ms = gsp->softc; |
149 |
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); |
161 } |
162 default: 163 return (ENOIOCTL); 164 } |
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; |
174 int idx; |
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 |
189 return (0); |
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; |
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 --- |