diff options
-rw-r--r-- | sbin/ccdconfig/ccdconfig.c | 151 | ||||
-rw-r--r-- | sys/dev/ccd/ccd.c | 173 | ||||
-rw-r--r-- | sys/geom/geom_ccd.c | 173 | ||||
-rw-r--r-- | sys/sys/ccdvar.h | 90 |
4 files changed, 203 insertions, 384 deletions
diff --git a/sbin/ccdconfig/ccdconfig.c b/sbin/ccdconfig/ccdconfig.c index 4c877ff..636127c 100644 --- a/sbin/ccdconfig/ccdconfig.c +++ b/sbin/ccdconfig/ccdconfig.c @@ -82,7 +82,6 @@ static int do_single(int, char **, int); static int do_all(int); static int dump_ccd(int, char **); static int flags_to_val(char *); -static void print_ccd_info(struct ccd_s *); static int resolve_ccdname(char *); static void usage(void); @@ -405,14 +404,6 @@ do_io(int unit, u_long cmd, struct ccd_ioctl *cciop) cp = "CCDIOCCLR"; break; - case CCDCONFINFO: - cp = "CCDCONFINFO"; - break; - - case CCDCPPINFO: - cp = "CCDCPPINFO"; - break; - default: cp = "unknown"; } @@ -424,134 +415,50 @@ do_io(int unit, u_long cmd, struct ccd_ioctl *cciop) } static int -dump_ccd(int argc, char **argv) +dumpout(int unit) { + static int v; + struct gctl_req *grq; + int ncp; char *cp; char const *errstr; - int i, error, numccd, numconfiged = 0; - struct ccdconf conf; - int ccd; - struct gctl_req *grq; + grq = gctl_get_handle(); + ncp = 65536; + cp = malloc(ncp); gctl_ro_param(grq, "verb", -1, "list"); gctl_ro_param(grq, "class", -1, "CCD"); - cp = malloc(65536); - gctl_rw_param(grq, "output", 65536, cp); - if (verbose) - gctl_ro_param(grq, "verbose", -1, "yes"); + gctl_ro_param(grq, "unit", sizeof(unit), &unit); + gctl_rw_param(grq, "output", ncp, cp); errstr = gctl_issue(grq); - if (errstr == NULL) { - printf("%s", cp); - return (0); - } else { - warnx("%s\nor possibly kernel and ccdconfig out of sync", - errstr); + if (errstr != NULL) + errx(1, "%s\nor possibly kernel and ccdconfig out of sync", + errstr); + if (strlen(cp) == 0) + errx(1, "ccd%d not configured", unit); + if (verbose && !v) { + printf("# ccd\t\tileave\tflags\tcomponent devices\n"); + v = 1; } - - /* - * Read the ccd configuration data from the kernel and dump - * it to stdout. - */ - if ((ccd = resolve_ccdname("ccd0")) < 0) { /* XXX */ - warnx("invalid ccd name: %s", cp); - return (1); - } - conf.size = 0; - if (do_io(ccd, CCDCONFINFO, (struct ccd_ioctl *) &conf)) - return (1); - if (conf.size == 0) { - printf("no concatenated disks configured\n"); - return (0); - } - /* Allocate space for the configuration data. */ - conf.buffer = alloca(conf.size); - if (conf.buffer == NULL) { - warnx("no memory for configuration data"); - return (1); - } - if (do_io(ccd, CCDCONFINFO, (struct ccd_ioctl *) &conf)) - return (1); - - numconfiged = conf.size / sizeof(struct ccd_s); - - if (argc == 0) { - for (i = 0; i < numconfiged; i++) - print_ccd_info(&(conf.buffer[i])); - } else { - while (argc) { - cp = *argv++; --argc; - if ((ccd = resolve_ccdname(cp)) < 0) { - warnx("invalid ccd name: %s", cp); - continue; - } - error = 1; - for (i = 0; i < numconfiged; i++) { - if (conf.buffer[i].sc_unit == ccd) { - print_ccd_info(&(conf.buffer[i])); - error = 0; - break; - } - } - if (error) { - warnx("ccd%d not configured", numccd); - continue; - } - } - } - + printf("%s", cp); + free(cp); return (0); } -static void -print_ccd_info(struct ccd_s *cs) +static int +dump_ccd(int argc, char **argv) { - char *cp; - static int header_printed = 0; - struct ccdcpps cpps; - int ccd; - - /* Print out header if necessary*/ - if (header_printed == 0 && verbose) { - printf("# ccd\t\tileave\tflags\tcompnent devices\n"); - header_printed = 1; - } - - /* Dump out softc information. */ - printf("ccd%d\t\t%d\t%d\t", cs->sc_unit, cs->sc_ileave, - cs->sc_cflags & CCDF_USERMASK); - fflush(stdout); - - /* Read in the component info. */ - asprintf(&cp, "ccd%d", cs->sc_unit); - if (cp == NULL) { - printf("\n"); - warn("ccd%d: can't allocate memory", - cs->sc_unit); - return; - } + int i, err; - if ((ccd = resolve_ccdname(cp)) < 0) { - printf("\n"); - warnx("can't read component info: invalid ccd name: %s", cp); - return; - } - cpps.size = 1024; - cpps.buffer = alloca(cpps.size); - memcpy(cpps.buffer, &ccd, sizeof ccd); - if (do_io(ccd, CCDCPPINFO, (struct ccd_ioctl *) &cpps)) { - printf("\n"); - warnx("can't read component info"); - return; - } - - /* Display component info. */ - for (cp = cpps.buffer; *cp && cp - cpps.buffer < cpps.size; cp += strlen(cp) + 1) { - printf((cp + strlen(cp) + 1) < (cpps.buffer + cpps.size) ? - "%s " : "%s", cp); + if (argc == 0) { + err = dumpout(-1); + } else { + err = 0; + for (i = 0; err == 0 && i < argc; i++) + err = dumpout(resolve_ccdname(argv[i])); } - printf("\n"); - return; + return (err); } static int diff --git a/sys/dev/ccd/ccd.c b/sys/dev/ccd/ccd.c index ea3c5ee..e358ff7 100644 --- a/sys/dev/ccd/ccd.c +++ b/sys/dev/ccd/ccd.c @@ -71,6 +71,85 @@ #include <sys/ccdvar.h> +/* + * Component info table. + * Describes a single component of a concatenated disk. + */ +struct ccdcinfo { + struct vnode *ci_vp; /* device's vnode */ + dev_t ci_dev; /* XXX: device's dev_t */ + size_t ci_size; /* size */ + char *ci_path; /* path to component */ + size_t ci_pathlen; /* length of component path */ +}; + +/* + * Interleave description table. + * Computed at boot time to speed irregular-interleave lookups. + * The idea is that we interleave in "groups". First we interleave + * evenly over all component disks up to the size of the smallest + * component (the first group), then we interleave evenly over all + * remaining disks up to the size of the next-smallest (second group), + * and so on. + * + * Each table entry describes the interleave characteristics of one + * of these groups. For example if a concatenated disk consisted of + * three components of 5, 3, and 7 DEV_BSIZE blocks interleaved at + * DEV_BSIZE (1), the table would have three entries: + * + * ndisk startblk startoff dev + * 3 0 0 0, 1, 2 + * 2 9 3 0, 2 + * 1 13 5 2 + * 0 - - - + * + * which says that the first nine blocks (0-8) are interleaved over + * 3 disks (0, 1, 2) starting at block offset 0 on any component disk, + * the next 4 blocks (9-12) are interleaved over 2 disks (0, 2) starting + * at component block 3, and the remaining blocks (13-14) are on disk + * 2 starting at offset 5. + */ +struct ccdiinfo { + int ii_ndisk; /* # of disks range is interleaved over */ + daddr_t ii_startblk; /* starting scaled block # for range */ + daddr_t ii_startoff; /* starting component offset (block #) */ + int *ii_index; /* ordered list of components in range */ +}; + +/* + * Concatenated disk pseudo-geometry information. + */ +struct ccdgeom { + u_int32_t ccg_secsize; /* # bytes per sector */ + u_int32_t ccg_nsectors; /* # data sectors per track */ + u_int32_t ccg_ntracks; /* # tracks per cylinder */ + u_int32_t ccg_ncylinders; /* # cylinders per unit */ +}; + + +/* + * A concatenated disk is described by this structure. + */ +struct ccd_s { + LIST_ENTRY(ccd_s) list; + + int sc_unit; /* logical unit number */ + struct vnode **sc_vpp; /* array of component vnodes */ + int sc_flags; /* flags */ + int sc_cflags; /* configuration flags */ + size_t sc_size; /* size of ccd */ + int sc_ileave; /* interleave */ + u_int sc_nccdisks; /* number of components */ +#define CCD_MAXNDISKS 65536 + struct ccdcinfo *sc_cinfo; /* component info */ + struct ccdiinfo *sc_itable; /* interleave table */ + struct ccdgeom sc_geom; /* pseudo geometry info */ + int sc_pick; /* side of mirror picked */ + daddr_t sc_blk[2]; /* mirror localization */ + struct disk *sc_disk; + struct cdev *__remove00; /* XXX: remove when convenient */ +}; + MALLOC_DEFINE(M_CCD, "CCD driver", "Concatenated Disk driver"); /* @@ -921,7 +1000,6 @@ ccdctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) { struct ccd_ioctl *ccio; u_int unit; - int error; switch (cmd) { case CCDIOCSET: @@ -929,85 +1007,8 @@ ccdctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) ccio = (struct ccd_ioctl *)data; unit = ccio->ccio_size; return (ccdioctltoo(unit, cmd, data, flag, td)); - case CCDCONFINFO: - { - int ninit = 0; - struct ccdconf *conf = (struct ccdconf *)data; - struct ccd_s *tmpcs; - struct ccd_s *ubuf = conf->buffer; - - /* XXX: LOCK(unique unit numbers) */ - LIST_FOREACH(tmpcs, &ccd_softc_list, list) - if (IS_INITED(tmpcs)) - ninit++; - - if (conf->size == 0) { - conf->size = sizeof(struct ccd_s) * ninit; - return (0); - } else if ((conf->size / sizeof(struct ccd_s) != ninit) || - (conf->size % sizeof(struct ccd_s) != 0)) { - /* XXX: UNLOCK(unique unit numbers) */ - return (EINVAL); - } - - ubuf += ninit; - LIST_FOREACH(tmpcs, &ccd_softc_list, list) { - if (!IS_INITED(tmpcs)) - continue; - error = copyout(tmpcs, --ubuf, - sizeof(struct ccd_s)); - if (error != 0) - /* XXX: UNLOCK(unique unit numbers) */ - return (error); - } - /* XXX: UNLOCK(unique unit numbers) */ - return (0); - } - - case CCDCPPINFO: - { - struct ccdcpps *cpps = (struct ccdcpps *)data; - char *ubuf = cpps->buffer; - struct ccd_s *cs; - - - error = copyin(ubuf, &unit, sizeof (unit)); - if (error) - return (error); - - if (!IS_ALLOCATED(unit)) - return (ENXIO); - cs = ccdfind(unit); - if (!IS_INITED(cs)) - return (ENXIO); - - { - int len = 0, i; - struct ccdcpps *cpps = (struct ccdcpps *)data; - char *ubuf = cpps->buffer; - - - for (i = 0; i < cs->sc_nccdisks; ++i) - len += cs->sc_cinfo[i].ci_pathlen; - - if (cpps->size < len) - return (ENOMEM); - - for (i = 0; i < cs->sc_nccdisks; ++i) { - len = cs->sc_cinfo[i].ci_pathlen; - error = copyout(cs->sc_cinfo[i].ci_path, ubuf, - len); - if (error != 0) - return (error); - ubuf += len; - } - return(copyout("", ubuf, 1)); - } - break; - } - default: - return (ENXIO); + return (ENOIOCTL); } } @@ -1266,7 +1267,7 @@ ccdunlock(struct ccd_s *cs) } static struct sbuf * -g_ccd_list(int verbose) +g_ccd_list(int unit) { struct sbuf *sb; struct ccd_s *cs; @@ -1277,11 +1278,8 @@ g_ccd_list(int verbose) LIST_FOREACH(cs, &ccd_softc_list, list) { if (!IS_INITED(cs)) continue; - if (verbose) { - sbuf_printf(sb, - "# ccd\t\tileave\tflags\tcomponent devices\n"); - verbose = 0; - } + if (unit >= 0 && unit != cs->sc_unit) + continue; sbuf_printf(sb, "ccd%d\t\t%d\t%d\t", cs->sc_unit, cs->sc_ileave, cs->sc_cflags & CCDF_USERMASK); @@ -1299,6 +1297,7 @@ static void g_ccd_config(struct gctl_req *req, struct g_class *mp, char const *verb) { struct sbuf *sb; + int u, *up; g_topology_assert(); if (!strcmp(verb, "create geom")) { @@ -1306,7 +1305,9 @@ g_ccd_config(struct gctl_req *req, struct g_class *mp, char const *verb) } else if (!strcmp(verb, "destroy geom")) { gctl_error(req, "TBD"); } else if (!strcmp(verb, "list")) { - sb = g_ccd_list(gctl_get_param(req, "verbose", NULL) ? 1 : 0); + up = gctl_get_paraml(req, "unit", sizeof (int)); + u = *up; + sb = g_ccd_list(u); gctl_set_param(req, "output", sbuf_data(sb), sbuf_len(sb) + 1); } else { gctl_error(req, "unknown verb"); diff --git a/sys/geom/geom_ccd.c b/sys/geom/geom_ccd.c index ea3c5ee..e358ff7 100644 --- a/sys/geom/geom_ccd.c +++ b/sys/geom/geom_ccd.c @@ -71,6 +71,85 @@ #include <sys/ccdvar.h> +/* + * Component info table. + * Describes a single component of a concatenated disk. + */ +struct ccdcinfo { + struct vnode *ci_vp; /* device's vnode */ + dev_t ci_dev; /* XXX: device's dev_t */ + size_t ci_size; /* size */ + char *ci_path; /* path to component */ + size_t ci_pathlen; /* length of component path */ +}; + +/* + * Interleave description table. + * Computed at boot time to speed irregular-interleave lookups. + * The idea is that we interleave in "groups". First we interleave + * evenly over all component disks up to the size of the smallest + * component (the first group), then we interleave evenly over all + * remaining disks up to the size of the next-smallest (second group), + * and so on. + * + * Each table entry describes the interleave characteristics of one + * of these groups. For example if a concatenated disk consisted of + * three components of 5, 3, and 7 DEV_BSIZE blocks interleaved at + * DEV_BSIZE (1), the table would have three entries: + * + * ndisk startblk startoff dev + * 3 0 0 0, 1, 2 + * 2 9 3 0, 2 + * 1 13 5 2 + * 0 - - - + * + * which says that the first nine blocks (0-8) are interleaved over + * 3 disks (0, 1, 2) starting at block offset 0 on any component disk, + * the next 4 blocks (9-12) are interleaved over 2 disks (0, 2) starting + * at component block 3, and the remaining blocks (13-14) are on disk + * 2 starting at offset 5. + */ +struct ccdiinfo { + int ii_ndisk; /* # of disks range is interleaved over */ + daddr_t ii_startblk; /* starting scaled block # for range */ + daddr_t ii_startoff; /* starting component offset (block #) */ + int *ii_index; /* ordered list of components in range */ +}; + +/* + * Concatenated disk pseudo-geometry information. + */ +struct ccdgeom { + u_int32_t ccg_secsize; /* # bytes per sector */ + u_int32_t ccg_nsectors; /* # data sectors per track */ + u_int32_t ccg_ntracks; /* # tracks per cylinder */ + u_int32_t ccg_ncylinders; /* # cylinders per unit */ +}; + + +/* + * A concatenated disk is described by this structure. + */ +struct ccd_s { + LIST_ENTRY(ccd_s) list; + + int sc_unit; /* logical unit number */ + struct vnode **sc_vpp; /* array of component vnodes */ + int sc_flags; /* flags */ + int sc_cflags; /* configuration flags */ + size_t sc_size; /* size of ccd */ + int sc_ileave; /* interleave */ + u_int sc_nccdisks; /* number of components */ +#define CCD_MAXNDISKS 65536 + struct ccdcinfo *sc_cinfo; /* component info */ + struct ccdiinfo *sc_itable; /* interleave table */ + struct ccdgeom sc_geom; /* pseudo geometry info */ + int sc_pick; /* side of mirror picked */ + daddr_t sc_blk[2]; /* mirror localization */ + struct disk *sc_disk; + struct cdev *__remove00; /* XXX: remove when convenient */ +}; + MALLOC_DEFINE(M_CCD, "CCD driver", "Concatenated Disk driver"); /* @@ -921,7 +1000,6 @@ ccdctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) { struct ccd_ioctl *ccio; u_int unit; - int error; switch (cmd) { case CCDIOCSET: @@ -929,85 +1007,8 @@ ccdctlioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td) ccio = (struct ccd_ioctl *)data; unit = ccio->ccio_size; return (ccdioctltoo(unit, cmd, data, flag, td)); - case CCDCONFINFO: - { - int ninit = 0; - struct ccdconf *conf = (struct ccdconf *)data; - struct ccd_s *tmpcs; - struct ccd_s *ubuf = conf->buffer; - - /* XXX: LOCK(unique unit numbers) */ - LIST_FOREACH(tmpcs, &ccd_softc_list, list) - if (IS_INITED(tmpcs)) - ninit++; - - if (conf->size == 0) { - conf->size = sizeof(struct ccd_s) * ninit; - return (0); - } else if ((conf->size / sizeof(struct ccd_s) != ninit) || - (conf->size % sizeof(struct ccd_s) != 0)) { - /* XXX: UNLOCK(unique unit numbers) */ - return (EINVAL); - } - - ubuf += ninit; - LIST_FOREACH(tmpcs, &ccd_softc_list, list) { - if (!IS_INITED(tmpcs)) - continue; - error = copyout(tmpcs, --ubuf, - sizeof(struct ccd_s)); - if (error != 0) - /* XXX: UNLOCK(unique unit numbers) */ - return (error); - } - /* XXX: UNLOCK(unique unit numbers) */ - return (0); - } - - case CCDCPPINFO: - { - struct ccdcpps *cpps = (struct ccdcpps *)data; - char *ubuf = cpps->buffer; - struct ccd_s *cs; - - - error = copyin(ubuf, &unit, sizeof (unit)); - if (error) - return (error); - - if (!IS_ALLOCATED(unit)) - return (ENXIO); - cs = ccdfind(unit); - if (!IS_INITED(cs)) - return (ENXIO); - - { - int len = 0, i; - struct ccdcpps *cpps = (struct ccdcpps *)data; - char *ubuf = cpps->buffer; - - - for (i = 0; i < cs->sc_nccdisks; ++i) - len += cs->sc_cinfo[i].ci_pathlen; - - if (cpps->size < len) - return (ENOMEM); - - for (i = 0; i < cs->sc_nccdisks; ++i) { - len = cs->sc_cinfo[i].ci_pathlen; - error = copyout(cs->sc_cinfo[i].ci_path, ubuf, - len); - if (error != 0) - return (error); - ubuf += len; - } - return(copyout("", ubuf, 1)); - } - break; - } - default: - return (ENXIO); + return (ENOIOCTL); } } @@ -1266,7 +1267,7 @@ ccdunlock(struct ccd_s *cs) } static struct sbuf * -g_ccd_list(int verbose) +g_ccd_list(int unit) { struct sbuf *sb; struct ccd_s *cs; @@ -1277,11 +1278,8 @@ g_ccd_list(int verbose) LIST_FOREACH(cs, &ccd_softc_list, list) { if (!IS_INITED(cs)) continue; - if (verbose) { - sbuf_printf(sb, - "# ccd\t\tileave\tflags\tcomponent devices\n"); - verbose = 0; - } + if (unit >= 0 && unit != cs->sc_unit) + continue; sbuf_printf(sb, "ccd%d\t\t%d\t%d\t", cs->sc_unit, cs->sc_ileave, cs->sc_cflags & CCDF_USERMASK); @@ -1299,6 +1297,7 @@ static void g_ccd_config(struct gctl_req *req, struct g_class *mp, char const *verb) { struct sbuf *sb; + int u, *up; g_topology_assert(); if (!strcmp(verb, "create geom")) { @@ -1306,7 +1305,9 @@ g_ccd_config(struct gctl_req *req, struct g_class *mp, char const *verb) } else if (!strcmp(verb, "destroy geom")) { gctl_error(req, "TBD"); } else if (!strcmp(verb, "list")) { - sb = g_ccd_list(gctl_get_param(req, "verbose", NULL) ? 1 : 0); + up = gctl_get_paraml(req, "unit", sizeof (int)); + u = *up; + sb = g_ccd_list(u); gctl_set_param(req, "output", sbuf_data(sb), sbuf_len(sb) + 1); } else { gctl_error(req, "unknown verb"); diff --git a/sys/sys/ccdvar.h b/sys/sys/ccdvar.h index d44f0dc..f2f07fc 100644 --- a/sys/sys/ccdvar.h +++ b/sys/sys/ccdvar.h @@ -97,84 +97,6 @@ struct ccd_ioctl { size_t ccio_size; /* (returned) size of ccd */ }; -/* - * Component info table. - * Describes a single component of a concatenated disk. - */ -struct ccdcinfo { - struct vnode *ci_vp; /* device's vnode */ - dev_t ci_dev; /* XXX: device's dev_t */ - size_t ci_size; /* size */ - char *ci_path; /* path to component */ - size_t ci_pathlen; /* length of component path */ -}; - -/* - * Interleave description table. - * Computed at boot time to speed irregular-interleave lookups. - * The idea is that we interleave in "groups". First we interleave - * evenly over all component disks up to the size of the smallest - * component (the first group), then we interleave evenly over all - * remaining disks up to the size of the next-smallest (second group), - * and so on. - * - * Each table entry describes the interleave characteristics of one - * of these groups. For example if a concatenated disk consisted of - * three components of 5, 3, and 7 DEV_BSIZE blocks interleaved at - * DEV_BSIZE (1), the table would have three entries: - * - * ndisk startblk startoff dev - * 3 0 0 0, 1, 2 - * 2 9 3 0, 2 - * 1 13 5 2 - * 0 - - - - * - * which says that the first nine blocks (0-8) are interleaved over - * 3 disks (0, 1, 2) starting at block offset 0 on any component disk, - * the next 4 blocks (9-12) are interleaved over 2 disks (0, 2) starting - * at component block 3, and the remaining blocks (13-14) are on disk - * 2 starting at offset 5. - */ -struct ccdiinfo { - int ii_ndisk; /* # of disks range is interleaved over */ - daddr_t ii_startblk; /* starting scaled block # for range */ - daddr_t ii_startoff; /* starting component offset (block #) */ - int *ii_index; /* ordered list of components in range */ -}; - -/* - * Concatenated disk pseudo-geometry information. - */ -struct ccdgeom { - u_int32_t ccg_secsize; /* # bytes per sector */ - u_int32_t ccg_nsectors; /* # data sectors per track */ - u_int32_t ccg_ntracks; /* # tracks per cylinder */ - u_int32_t ccg_ncylinders; /* # cylinders per unit */ -}; - -/* - * A concatenated disk is described by this structure. - */ -struct ccd_s { - LIST_ENTRY(ccd_s) list; - - int sc_unit; /* logical unit number */ - struct vnode **sc_vpp; /* array of component vnodes */ - int sc_flags; /* flags */ - int sc_cflags; /* configuration flags */ - size_t sc_size; /* size of ccd */ - int sc_ileave; /* interleave */ - u_int sc_nccdisks; /* number of components */ -#define CCD_MAXNDISKS 65536 - struct ccdcinfo *sc_cinfo; /* component info */ - struct ccdiinfo *sc_itable; /* interleave table */ - struct ccdgeom sc_geom; /* pseudo geometry info */ - int sc_pick; /* side of mirror picked */ - daddr_t sc_blk[2]; /* mirror localization */ - struct disk *sc_disk; - struct cdev *__remove00; /* XXX: remove when convenient */ -}; - /* sc_flags */ #define CCDF_UNIFORM 0x02 /* use LCCD of sizes for uniform interleave */ #define CCDF_MIRROR 0x04 /* use mirroring */ @@ -196,15 +118,3 @@ struct ccd_s { */ #define CCDIOCSET _IOWR('F', 16, struct ccd_ioctl) /* enable ccd */ #define CCDIOCCLR _IOW('F', 17, struct ccd_ioctl) /* disable ccd */ - -struct ccdconf { - int size; /* sizeof of buffer below */ - struct ccd_s *buffer; /* pointer to a configuration array */ -}; -#define CCDCONFINFO _IOWR('F', 19, struct ccdconf) /* get config */ - -struct ccdcpps { - int size; - char *buffer; -}; -#define CCDCPPINFO _IOWR('F', 20, struct ccdcpps) /* get components */ |