geom_pc98.c (94285) | geom_pc98.c (94287) |
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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 --- 18 unchanged lines hidden (view full) --- 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * | 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 --- 18 unchanged lines hidden (view full) --- 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * |
35 * $FreeBSD: head/sys/geom/geom_pc98.c 94285 2002-04-09 15:17:59Z phk $ | 35 * $FreeBSD: head/sys/geom/geom_pc98.c 94287 2002-04-09 15:43:32Z phk $ |
36 */ 37 38 39#include <sys/param.h> 40#ifndef _KERNEL 41#include <stdio.h> 42#include <string.h> 43#include <stdlib.h> --- 40 unchanged lines hidden (view full) --- 84} 85 86static struct g_geom * 87g_pc98_taste(struct g_class *mp, struct g_provider *pp, int flags) 88{ 89 struct g_geom *gp; 90 struct g_consumer *cp; 91 struct g_provider *pp2; | 36 */ 37 38 39#include <sys/param.h> 40#ifndef _KERNEL 41#include <stdio.h> 42#include <string.h> 43#include <stdlib.h> --- 40 unchanged lines hidden (view full) --- 84} 85 86static struct g_geom * 87g_pc98_taste(struct g_class *mp, struct g_provider *pp, int flags) 88{ 89 struct g_geom *gp; 90 struct g_consumer *cp; 91 struct g_provider *pp2; |
92 int error, i, j, npart; | 92 int error, i, npart; |
93 u_char *buf; 94 struct g_pc98_softc *ms; 95 u_int sectorsize, u, v; 96 u_int fwsect, fwhead; 97 off_t mediasize, start, length; | 93 u_char *buf; 94 struct g_pc98_softc *ms; 95 u_int sectorsize, u, v; 96 u_int fwsect, fwhead; 97 off_t mediasize, start, length; |
98 struct g_slicer *gsp; |
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98 99 g_trace(G_T_TOPOLOGY, "g_pc98_taste(%s,%s)", mp->name, pp->name); 100 g_topology_assert(); 101 if (flags == G_TF_NORMAL && 102 !strcmp(pp->geom->class->name, PC98_CLASS_NAME)) 103 return (NULL); 104 gp = g_slice_new(mp, 8, pp, &cp, &ms, sizeof *ms, g_pc98_start); 105 if (gp == NULL) 106 return (NULL); | 99 100 g_trace(G_T_TOPOLOGY, "g_pc98_taste(%s,%s)", mp->name, pp->name); 101 g_topology_assert(); 102 if (flags == G_TF_NORMAL && 103 !strcmp(pp->geom->class->name, PC98_CLASS_NAME)) 104 return (NULL); 105 gp = g_slice_new(mp, 8, pp, &cp, &ms, sizeof *ms, g_pc98_start); 106 if (gp == NULL) 107 return (NULL); |
108 gsp = gp->softc; |
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107 g_topology_unlock(); 108 gp->dumpconf = g_pc98_dumpconf; 109 npart = 0; 110 while (1) { /* a trick to allow us to use break */ 111 if (gp->rank != 2 && flags == G_TF_NORMAL) 112 break; | 109 g_topology_unlock(); 110 gp->dumpconf = g_pc98_dumpconf; 111 npart = 0; 112 while (1) { /* a trick to allow us to use break */ 113 if (gp->rank != 2 && flags == G_TF_NORMAL) 114 break; |
113 j = sizeof sectorsize; 114 error = g_io_getattr("GEOM::sectorsize", cp, &j, §orsize); | 115 error = g_getattr("GEOM::sectorsize", cp, §orsize); |
115 if (error) { 116 sectorsize = 512; 117 printf("g_pc98_taste: error %d Sectors are %d bytes\n", 118 error, sectorsize); 119 } | 116 if (error) { 117 sectorsize = 512; 118 printf("g_pc98_taste: error %d Sectors are %d bytes\n", 119 error, sectorsize); 120 } |
120 j = sizeof mediasize; 121 error = g_io_getattr("GEOM::mediasize", cp, &j, &mediasize); | 121 error = g_getattr("GEOM::mediasize", cp, &mediasize); |
122 if (error) { 123 mediasize = 0; 124 printf("g_error %d Mediasize is %lld bytes\n", 125 error, (long long)mediasize); 126 } | 122 if (error) { 123 mediasize = 0; 124 printf("g_error %d Mediasize is %lld bytes\n", 125 error, (long long)mediasize); 126 } |
127 j = sizeof fwsect; 128 error = g_io_getattr("GEOM::fwsectors", cp, &j, &fwsect); | 127 error = g_getattr("GEOM::fwsectors", cp, &fwsect); |
129 if (error || fwsect == 0) { 130 fwsect = 17; 131 printf("g_pc98_taste: error %d guessing %d sectors\n", 132 error, fwsect); 133 } | 128 if (error || fwsect == 0) { 129 fwsect = 17; 130 printf("g_pc98_taste: error %d guessing %d sectors\n", 131 error, fwsect); 132 } |
134 j = sizeof fwhead; 135 error = g_io_getattr("GEOM::fwheads", cp, &j, &fwhead); | 133 error = g_getattr("GEOM::fwheads", cp, &fwhead); |
136 if (error || fwhead == 0) { 137 fwhead = 8; 138 printf("g_pc98_taste: error %d guessing %d heads\n", 139 error, fwhead); 140 } | 134 if (error || fwhead == 0) { 135 fwhead = 8; 136 printf("g_pc98_taste: error %d guessing %d heads\n", 137 error, fwhead); 138 } |
139 gsp->frontstuff = fwsect * sectorsize; |
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141 buf = g_read_data(cp, 0, 142 sectorsize < 1024 ? 1024 : sectorsize, &error); 143 if (buf == NULL || error != 0) 144 break; 145 146 if (buf[0x1fe] != 0x55 || buf[0x1ff] != 0xaa) 147 break; 148 if (buf[4] != 'I' || buf[5] != 'P' || --- 39 unchanged lines hidden --- | 140 buf = g_read_data(cp, 0, 141 sectorsize < 1024 ? 1024 : sectorsize, &error); 142 if (buf == NULL || error != 0) 143 break; 144 145 if (buf[0x1fe] != 0x55 || buf[0x1ff] != 0xaa) 146 break; 147 if (buf[4] != 'I' || buf[5] != 'P' || --- 39 unchanged lines hidden --- |