static void
smp_new_sign(const struct smp_sc *sc, struct smp_signctx *ctx,
uint64_t off, const char *id)
{
smp_def_sign(sc, ctx, off, id);
smp_reset_sign(ctx);
smp_sync_sign(ctx);
}
void
smp_newsilo(struct smp_sc *sc)
{
struct smp_ident *si;
ASSERT_MGT();
assert(strlen(SMP_IDENT_STRING) < sizeof si->ident);
/* Choose a new random number */
AZ(VRND_RandomCrypto(&sc->unique, sizeof sc->unique));
smp_reset_sign(&sc->idn);
si = sc->ident;
memset(si, 0, sizeof *si);
strcpy(si->ident, SMP_IDENT_STRING);
si->byte_order = 0x12345678;
si->size = sizeof *si;
si->major_version = 2;
si->unique = sc->unique;
si->mediasize = sc->mediasize;
si->granularity = sc->granularity;
/*
* Aim for cache-line-width
*/
si->align = sizeof(void*) * 2;
sc->align = si->align;
si->stuff[SMP_BAN1_STUFF] = sc->granularity;
si->stuff[SMP_BAN2_STUFF] = si->stuff[SMP_BAN1_STUFF] + 1024*1024;
si->stuff[SMP_SEG1_STUFF] = si->stuff[SMP_BAN2_STUFF] + 1024*1024;
si->stuff[SMP_SEG2_STUFF] = si->stuff[SMP_SEG1_STUFF] + 1024*1024;
si->stuff[SMP_SPC_STUFF] = si->stuff[SMP_SEG2_STUFF] + 1024*1024;
si->stuff[SMP_END_STUFF] = si->mediasize;
assert(si->stuff[SMP_SPC_STUFF] < si->stuff[SMP_END_STUFF]);
smp_new_signspace(sc, &sc->ban1, si->stuff[SMP_BAN1_STUFF],
smp_stuff_len(sc, SMP_BAN1_STUFF), "BAN 1");
smp_new_signspace(sc, &sc->ban2, si->stuff[SMP_BAN2_STUFF],
smp_stuff_len(sc, SMP_BAN2_STUFF), "BAN 2");
smp_new_signspace(sc, &sc->seg1, si->stuff[SMP_SEG1_STUFF],
smp_stuff_len(sc, SMP_SEG1_STUFF), "SEG 1");
smp_new_signspace(sc, &sc->seg2, si->stuff[SMP_SEG2_STUFF],
smp_stuff_len(sc, SMP_SEG2_STUFF), "SEG 2");
smp_append_sign(&sc->idn, si, sizeof *si);
smp_sync_sign(&sc->idn);
}
void
smp_reset_signspace(struct smp_signspace *spc)
{
smp_reset_sign(&spc->ctx);
}
