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path: root/sys/dev/pci/ubsec.c
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Diffstat (limited to 'sys/dev/pci/ubsec.c')
-rw-r--r--sys/dev/pci/ubsec.c170
1 files changed, 154 insertions, 16 deletions
diff --git a/sys/dev/pci/ubsec.c b/sys/dev/pci/ubsec.c
index da886146a2f..ab0395ad761 100644
--- a/sys/dev/pci/ubsec.c
+++ b/sys/dev/pci/ubsec.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ubsec.c,v 1.96 2002/05/06 15:42:23 jason Exp $ */
+/* $OpenBSD: ubsec.c,v 1.97 2002/05/06 20:53:05 jason Exp $ */
/*
* Copyright (c) 2000 Jason L. Wright (jason@thought.net)
@@ -108,6 +108,7 @@ int ubsec_dmamap_aligned(bus_dmamap_t);
int ubsec_kprocess(struct cryptkop *);
struct ubsec_softc *ubsec_kfind(struct cryptkop *);
int ubsec_kprocess_modexp(struct ubsec_softc *, struct cryptkop *);
+int ubsec_kprocess_rsapriv(struct ubsec_softc *, struct cryptkop *);
void ubsec_kfree(struct ubsec_softc *, struct ubsec_q2 *);
int ubsec_kcopyin(struct crparam *, caddr_t, u_int, u_int *);
@@ -312,6 +313,9 @@ skip_rng:
sc->sc_statmask |= BS_STAT_MCR2_DONE;
crypto_kregister(sc->sc_cid, CRK_MOD_EXP, 0, ubsec_kprocess);
+#if 0
+ crypto_kregister(sc->sc_cid, CRK_MOD_EXP_CRT, 0, ubsec_kprocess);
+#endif
}
printf("\n");
@@ -712,7 +716,7 @@ ubsec_process(crp)
struct cryptop *crp;
{
struct ubsec_q *q = NULL;
- int card, err, i, j, s, nicealign;
+ int card, err = 0, i, j, s, nicealign;
struct ubsec_softc *sc;
struct cryptodesc *crd1, *crd2, *maccrd, *enccrd;
int encoffset = 0, macoffset = 0, cpskip, cpoffset;
@@ -1353,6 +1357,7 @@ ubsec_callback2(sc, q)
struct ubsec_softc *sc;
struct ubsec_q2 *q;
{
+ struct cryptkop *krp;
struct ubsec_ctx_keyop *ctx;
ctx = (struct ubsec_ctx_keyop *)q->q_ctx.dma_vaddr;
@@ -1380,9 +1385,9 @@ ubsec_callback2(sc, q)
struct ubsec_q2_modexp *me = (struct ubsec_q2_modexp *)q;
u_int rlen, clen;
+ krp = me->me_krp;
rlen = (me->me_modbits + 7) / 8;
- clen = (me->me_krp->krp_param[UBS_MODEXP_PAR_C].crp_nbits + 7)
- / 8;
+ clen = (krp->krp_param[UBS_MODEXP_PAR_C].crp_nbits + 7) / 8;
bus_dmamap_sync(sc->sc_dmat, me->me_M.dma_map,
0, me->me_M.dma_map->dm_mapsize, BUS_DMASYNC_POSTWRITE);
@@ -1394,17 +1399,17 @@ ubsec_callback2(sc, q)
0, me->me_epb.dma_map->dm_mapsize, BUS_DMASYNC_POSTWRITE);
if (clen < rlen)
- me->me_krp->krp_status = E2BIG;
+ krp->krp_status = E2BIG;
else {
caddr_t dst;
- me->me_krp->krp_status = 0;
- dst = me->me_krp->krp_param[UBS_MODEXP_PAR_C].crp_p;
+ krp->krp_status = 0;
+ dst = krp->krp_param[UBS_MODEXP_PAR_C].crp_p;
bcopy(me->me_C.dma_vaddr, dst, rlen);
bzero(dst + rlen, clen - rlen);
}
- crypto_kdone(me->me_krp);
+ crypto_kdone(krp);
/* bzero all potentially sensitive data */
bzero(me->me_E.dma_vaddr, me->me_E.dma_size);
@@ -1416,6 +1421,30 @@ ubsec_callback2(sc, q)
SIMPLEQ_INSERT_TAIL(&sc->sc_q2free, &me->me_q, q_next);
break;
}
+ case UBS_CTXOP_RSAPRIV: {
+ struct ubsec_q2_rsapriv *rp = (struct ubsec_q2_rsapriv *)q;
+ u_int len;
+
+ krp = rp->rpr_krp;
+ bus_dmamap_sync(sc->sc_dmat, rp->rpr_msgin.dma_map, 0,
+ rp->rpr_msgin.dma_map->dm_mapsize, BUS_DMASYNC_POSTWRITE);
+ bus_dmamap_sync(sc->sc_dmat, rp->rpr_msgout.dma_map, 0,
+ rp->rpr_msgout.dma_map->dm_mapsize, BUS_DMASYNC_POSTREAD);
+
+ len = (krp->krp_param[UBS_RSAPRIV_PAR_MSGOUT].crp_nbits + 7) / 8;
+ bcopy(rp->rpr_msgout.dma_vaddr,
+ krp->krp_param[UBS_RSAPRIV_PAR_MSGOUT].crp_p, len);
+
+ crypto_kdone(krp);
+
+ bzero(rp->rpr_msgin.dma_vaddr, rp->rpr_msgin.dma_size);
+ bzero(rp->rpr_msgout.dma_vaddr, rp->rpr_msgout.dma_size);
+ bzero(rp->rpr_q.q_ctx.dma_vaddr, rp->rpr_q.q_ctx.dma_size);
+
+ /* Can't free here, so put us on the free list. */
+ SIMPLEQ_INSERT_TAIL(&sc->sc_q2free, &rp->rpr_q, q_next);
+ break;
+ }
default:
printf("%s: unknown ctx op: %x\n", sc->sc_dv.dv_xname,
letoh16(ctx->ctx_op));
@@ -1722,6 +1751,16 @@ ubsec_kfree(sc, q)
free(me, M_DEVBUF);
break;
}
+ case UBS_CTXOP_RSAPRIV: {
+ struct ubsec_q2_rsapriv *rp = (struct ubsec_q2_rsapriv *)q;
+
+ ubsec_dma_free(sc, &rp->rpr_q.q_mcr);
+ ubsec_dma_free(sc, &rp->rpr_q.q_ctx);
+ ubsec_dma_free(sc, &rp->rpr_msgin);
+ ubsec_dma_free(sc, &rp->rpr_msgout);
+ free(rp, M_DEVBUF);
+ break;
+ }
default:
printf("%s: invalid kfree 0x%x\n", sc->sc_dv.dv_xname,
q->q_type);
@@ -1750,7 +1789,9 @@ ubsec_kprocess(krp)
switch (krp->krp_op) {
case CRK_MOD_EXP:
- return ubsec_kprocess_modexp(sc, krp);
+ return (ubsec_kprocess_modexp(sc, krp));
+ case CRK_MOD_EXP_CRT:
+ return (ubsec_kprocess_rsapriv(sc, krp));
default:
printf("%s: kprocess: invalid op 0x%x\n",
sc->sc_dv.dv_xname, krp->krp_op);
@@ -1776,13 +1817,6 @@ ubsec_kprocess_modexp(sc, krp)
u_int len;
u_int modbits;
-#ifdef UBSEC_DEBUG
- for (s = 0; s < (krp->krp_iparams + krp->krp_oparams); s++) {
- printf("param %d: bits %d\n",
- s, krp->krp_param[s].crp_nbits);
- }
-#endif
-
modbits = krp->krp_param[UBS_MODEXP_PAR_N].crp_nbits;
if (modbits <= 512)
modbits = 512;
@@ -1964,6 +1998,110 @@ errout:
return (0);
}
+int
+ubsec_kprocess_rsapriv(sc, krp)
+ struct ubsec_softc *sc;
+ struct cryptkop *krp;
+{
+ struct ubsec_q2_rsapriv *rp = NULL;
+ struct ubsec_mcr *mcr;
+ struct ubsec_ctx_rsapriv *ctx;
+ int err = 0, s;
+ u_int len;
+
+ rp = (struct ubsec_q2_rsapriv *)malloc(sizeof *rp, M_DEVBUF, M_NOWAIT);
+ if (rp == NULL)
+ return (ENOMEM);
+ bzero(rp, sizeof *rp);
+ rp->rpr_krp = krp;
+ rp->rpr_q.q_type = UBS_CTXOP_RSAPRIV;
+
+ if (ubsec_dma_malloc(sc, sizeof(struct ubsec_mcr),
+ &rp->rpr_q.q_mcr, 0)) {
+ err = ENOMEM;
+ goto errout;
+ }
+ mcr = (struct ubsec_mcr *)rp->rpr_q.q_mcr.dma_vaddr;
+
+ if (ubsec_dma_malloc(sc, sizeof(struct ubsec_ctx_rsapriv),
+ &rp->rpr_q.q_ctx, 0)) {
+ err = ENOMEM;
+ goto errout;
+ }
+ ctx = (struct ubsec_ctx_rsapriv *)rp->rpr_q.q_ctx.dma_vaddr;
+ bzero(ctx, sizeof *ctx);
+
+ /* Copy in input message (aligned buffer/length). */
+ len = (krp->krp_param[UBS_RSAPRIV_PAR_MSGIN].crp_nbits + 31) / 8;
+ if (ubsec_dma_malloc(sc, len, &rp->rpr_msgin, 0)) {
+ err = ENOMEM;
+ goto errout;
+ }
+ bzero(rp->rpr_msgin.dma_vaddr, len);
+ bcopy(krp->krp_param[UBS_RSAPRIV_PAR_MSGIN].crp_p,
+ rp->rpr_msgin.dma_vaddr,
+ (krp->krp_param[UBS_RSAPRIV_PAR_MSGIN].crp_nbits + 7) / 8);
+
+ /* Prepare space for output message (aligned buffer/length). */
+ len = (krp->krp_param[UBS_RSAPRIV_PAR_MSGOUT].crp_nbits + 31) / 8;
+ if (ubsec_dma_malloc(sc, len, &rp->rpr_msgout, 0)) {
+ err = ENOMEM;
+ goto errout;
+ }
+ bzero(rp->rpr_msgout.dma_vaddr, len);
+
+ mcr->mcr_pkts = htole16(1);
+ mcr->mcr_flags = 0;
+ mcr->mcr_cmdctxp = htole32(rp->rpr_q.q_ctx.dma_paddr);
+ mcr->mcr_ipktbuf.pb_addr = htole32(rp->rpr_msgin.dma_paddr);
+ mcr->mcr_ipktbuf.pb_next = 0;
+ mcr->mcr_ipktbuf.pb_len = htole32(rp->rpr_msgin.dma_size);
+ mcr->mcr_reserved = 0;
+ /* XXX mcr_pktlen, 0? */
+ mcr->mcr_opktbuf.pb_addr = htole32(rp->rpr_msgout.dma_paddr);
+ mcr->mcr_opktbuf.pb_next = 0;
+ mcr->mcr_opktbuf.pb_len = htole32(rp->rpr_msgout.dma_size);
+
+ /* XXX ctx->rpr_len = XXX; */
+ ctx->rpr_op = htole16(UBS_CTXOP_RSAPRIV);
+ /* XXX ctx->rpr_q_len; */
+ /* XXX ctx->rpr_p_len; */
+
+ /*
+ * ubsec_feed2 will sync mcr and ctx, we just need to sync
+ * everything else.
+ */
+ bus_dmamap_sync(sc->sc_dmat, rp->rpr_msgout.dma_map,
+ 0, rp->rpr_msgout.dma_map->dm_mapsize, BUS_DMASYNC_PREREAD);
+ bus_dmamap_sync(sc->sc_dmat, rp->rpr_msgin.dma_map,
+ 0, rp->rpr_msgin.dma_map->dm_mapsize, BUS_DMASYNC_PREWRITE);
+
+ /* Enqueue and we're done... */
+ s = splnet();
+ SIMPLEQ_INSERT_TAIL(&sc->sc_queue2, &rp->rpr_q, q_next);
+ ubsec_feed2(sc);
+ splx(s);
+ return (0);
+
+errout:
+ if (rp != NULL) {
+ if (rp->rpr_q.q_mcr.dma_map != NULL)
+ ubsec_dma_free(sc, &rp->rpr_q.q_mcr);
+ if (rp->rpr_msgin.dma_map != NULL) {
+ bzero(rp->rpr_msgin.dma_vaddr, rp->rpr_msgin.dma_size);
+ ubsec_dma_free(sc, &rp->rpr_msgin);
+ }
+ if (rp->rpr_msgout.dma_map != NULL) {
+ bzero(rp->rpr_msgout.dma_vaddr, rp->rpr_msgout.dma_size);
+ ubsec_dma_free(sc, &rp->rpr_msgout);
+ }
+ free(rp, M_DEVBUF);
+ }
+ krp->krp_status = err;
+ crypto_kdone(krp);
+ return (0);
+}
+
/*
* Copy a key into a ubsec dma buffer, round up to multiple of 32 bits.
*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 13:43:45 +0000