Author: adrian Date: Tue Oct 4 16:35:38 2016 New Revision: 306678 URL: https://svnweb.freebsd.org/changeset/base/306678
Log: [geom_redboot] Extend geom_redboot to handle non-zero fis offset. Submitted by: Mori Hiroki <yamori...@yahoo.co.jp> Differential Revision: https://reviews.freebsd.org/D7237 Modified: head/sys/geom/geom_redboot.c Modified: head/sys/geom/geom_redboot.c ============================================================================== --- head/sys/geom/geom_redboot.c Tue Oct 4 16:33:03 2016 (r306677) +++ head/sys/geom/geom_redboot.c Tue Oct 4 16:35:38 2016 (r306678) @@ -40,6 +40,7 @@ __FBSDID("$FreeBSD$"); #include <sys/bio.h> #include <sys/lock.h> #include <sys/mutex.h> +#include <sys/bus.h> #include <sys/sbuf.h> #include <geom/geom.h> @@ -246,6 +247,16 @@ g_redboot_taste(struct g_class *mp, stru u_int blksize; /* NB: flash block size stored as stripesize */ u_char *buf; off_t offset; + const char *value; + char *op; + + offset = 0; + if (resource_string_value("redboot", 0, "fisoffset", &value) == 0) { + offset = strtouq(value, &op, 0); + if (*op != '\0') { + offset = 0; + } + } g_trace(G_T_TOPOLOGY, "redboot_taste(%s,%s)", mp->name, pp->name); g_topology_assert(); @@ -278,7 +289,8 @@ g_redboot_taste(struct g_class *mp, stru return (NULL); g_topology_unlock(); head = NULL; - offset = cp->provider->mediasize - blksize; + if(offset == 0) + offset = cp->provider->mediasize - blksize; again: buf = g_read_data(cp, offset, blksize, NULL); if (buf != NULL) _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
