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);
}
Пример #2
0
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);
}