예제 #1
0
파일: ldc.c 프로젝트: ryo/netbsd-src
void
ldc_rx_ctrl_rdx(struct ldc_conn *lc, struct ldc_pkt *lp)
{
	switch (lp->stype) {
	case LDC_INFO:
		if (lc->lc_state != LDC_SND_RTR) {
			DPRINTF(("Spurious CTRL/INFO/RTR: state %d\n",
			    lc->lc_state));
			ldc_reset(lc);
			return;
		}
		DPRINTF(("CTRL/INFO/RDX\n"));
		lc->lc_start(lc);
		break;

	case LDC_ACK:
		DPRINTF(("CTRL/ACK/RDX\n"));
		ldc_reset(lc);
		break;

	case LDC_NACK:
		DPRINTF(("CTRL/NACK/RDX\n"));
		ldc_reset(lc);
		break;

	default:
		DPRINTF(("CTRL/0x%02x/RDX\n", lp->stype));
		ldc_reset(lc);
		break;
	}
}
예제 #2
0
파일: ldc.c 프로젝트: ryo/netbsd-src
void
ldc_rx_ctrl_rts(struct ldc_conn *lc, struct ldc_pkt *lp)
{
	switch (lp->stype) {
	case LDC_INFO:
		if (lc->lc_state != LDC_RCV_VERS) {
			DPRINTF(("Spurious CTRL/INFO/RTS: state %d\n",
			    lc->lc_state));
			ldc_reset(lc);
			return;
		}
		DPRINTF(("CTRL/INFO/RTS\n"));
		ldc_send_rtr(lc);
		break;

	case LDC_ACK:
		DPRINTF(("CTRL/ACK/RTS\n"));
		ldc_reset(lc);
		break;

	case LDC_NACK:
		DPRINTF(("CTRL/NACK/RTS\n"));
		ldc_reset(lc);
		break;

	default:
		DPRINTF(("CTRL/0x%02x/RTS\n", lp->stype));
		ldc_reset(lc);
		break;
	}
}
예제 #3
0
파일: ldc.c 프로젝트: ryo/netbsd-src
void
ldc_rx_ctrl(struct ldc_conn *lc, struct ldc_pkt *lp)
{
	switch (lp->ctrl) {
	case LDC_VERS:
		ldc_rx_ctrl_vers(lc, lp);
		break;

	case LDC_RTS:
		ldc_rx_ctrl_rts(lc, lp);
		break;

	case LDC_RTR:
		ldc_rx_ctrl_rtr(lc, lp);
		break;

	case LDC_RDX:
		ldc_rx_ctrl_rdx(lc, lp);
		break;

	default:
		DPRINTF(("CTRL/0x%02x/0x%02x\n", lp->stype, lp->ctrl));
		ldc_reset(lc);
		break;
	}
}
예제 #4
0
파일: vdsk.c 프로젝트: enukane/openbsd-work
void
vdsk_rx_vio_ver_info(struct vdsk_softc *sc, struct vio_msg_tag *tag)
{
	struct vio_ver_info *vi = (struct vio_ver_info *)tag;

	switch (vi->tag.stype) {
	case VIO_SUBTYPE_INFO:
		DPRINTF(("CTRL/INFO/VER_INFO\n"));
		break;

	case VIO_SUBTYPE_ACK:
		DPRINTF(("CTRL/ACK/VER_INFO\n"));
		if (!ISSET(sc->sc_vio_state, VIO_SND_VER_INFO)) {
			ldc_reset(&sc->sc_lc);
			break;
		}
		sc->sc_major = vi->major;
		sc->sc_minor = vi->minor;
		sc->sc_vio_state |= VIO_ACK_VER_INFO;
		break;

	default:
		DPRINTF(("CTRL/0x%02x/VER_INFO\n", vi->tag.stype));
		break;
	}

	if (ISSET(sc->sc_vio_state, VIO_ACK_VER_INFO))
		vdsk_send_attr_info(sc);
}
예제 #5
0
파일: vdsk.c 프로젝트: enukane/openbsd-work
void
vdsk_rx_vio_dring_reg(struct vdsk_softc *sc, struct vio_msg_tag *tag)
{
	struct vio_dring_reg *dr = (struct vio_dring_reg *)tag;

	switch (dr->tag.stype) {
	case VIO_SUBTYPE_INFO:
		DPRINTF(("CTRL/INFO/DRING_REG\n"));
		break;

	case VIO_SUBTYPE_ACK:
		DPRINTF(("CTRL/ACK/DRING_REG\n"));
		if (!ISSET(sc->sc_vio_state, VIO_SND_DRING_REG)) {
			ldc_reset(&sc->sc_lc);
			break;
		}

		sc->sc_dring_ident = dr->dring_ident;
		sc->sc_seq_no = 1;

		sc->sc_vio_state |= VIO_ACK_DRING_REG;
		break;

	default:
		DPRINTF(("CTRL/0x%02x/DRING_REG\n", dr->tag.stype));
		break;
	}

	if (ISSET(sc->sc_vio_state, VIO_ACK_DRING_REG))
		vdsk_send_rdx(sc);
}
예제 #6
0
void
vdsk_rx_vio_attr_info(struct vdsk_softc *sc, struct vio_msg_tag *tag)
{
	struct vd_attr_info *ai = (struct vd_attr_info *)tag;

	switch (ai->tag.stype) {
	case VIO_SUBTYPE_INFO:
		DPRINTF(("CTRL/INFO/ATTR_INFO\n"));
		break;

	case VIO_SUBTYPE_ACK:
		DPRINTF(("CTRL/ACK/ATTR_INFO\n"));
		if (!ISSET(sc->sc_vio_state, VIO_SND_ATTR_INFO)) {
			ldc_reset(&sc->sc_lc);
			break;
		}

		sc->sc_vdisk_block_size = ai->vdisk_block_size;
		sc->sc_vdisk_size = ai->vdisk_size;

		sc->sc_vio_state |= VIO_ACK_ATTR_INFO;
		break;

	default:
		DPRINTF(("CTRL/0x%02x/ATTR_INFO\n", ai->tag.stype));
		break;
	}

	if (ISSET(sc->sc_vio_state, VIO_ACK_ATTR_INFO))
		vdsk_send_dring_reg(sc);

}
예제 #7
0
파일: vdsk.c 프로젝트: enukane/openbsd-work
void
vdsk_rx_data(struct ldc_conn *lc, struct ldc_pkt *lp)
{
	struct vio_msg *vm = (struct vio_msg *)lp;

	switch (vm->type) {
	case VIO_TYPE_CTRL:
		if ((lp->env & LDC_FRAG_START) == 0 &&
		    (lp->env & LDC_FRAG_STOP) == 0)
			return;
		vdsk_rx_vio_ctrl(lc->lc_sc, vm);
		break;

	case VIO_TYPE_DATA:
		if((lp->env & LDC_FRAG_START) == 0)
			return;
		vdsk_rx_vio_data(lc->lc_sc, vm);
		break;

	default:
		DPRINTF(("Unhandled packet type 0x%02x\n", vm->type));
		ldc_reset(lc);
		break;
	}
}
예제 #8
0
void
vnet_rx_vio_ver_info(struct vnet_softc *sc, struct vio_msg_tag *tag)
{
	struct vio_ver_info *vi = (struct vio_ver_info *)tag;

	switch (vi->tag.stype) {
	case VIO_SUBTYPE_INFO:
		DPRINTF(("CTRL/INFO/VER_INFO\n"));

		/* Make sure we're talking to a virtual network device. */
		if (vi->dev_class != VDEV_NETWORK &&
		    vi->dev_class != VDEV_NETWORK_SWITCH) {
			/* Huh, we're not talking to a network device? */
			printf("Not a network device\n");
			vi->tag.stype = VIO_SUBTYPE_NACK;
			vnet_sendmsg(sc, vi, sizeof(*vi));
			return;
		}

		if (vi->major != VNET_MAJOR) {
			vi->tag.stype = VIO_SUBTYPE_NACK;
			vi->major = VNET_MAJOR;
			vi->minor = VNET_MINOR;
			vnet_sendmsg(sc, vi, sizeof(*vi));
			return;
		}

		vi->tag.stype = VIO_SUBTYPE_ACK;
		vi->tag.sid = sc->sc_local_sid;
		vi->minor = VNET_MINOR;
		vnet_sendmsg(sc, vi, sizeof(*vi));
		sc->sc_vio_state |= VIO_RCV_VER_INFO;
		break;

	case VIO_SUBTYPE_ACK:
		DPRINTF(("CTRL/ACK/VER_INFO\n"));
		if (!ISSET(sc->sc_vio_state, VIO_SND_VER_INFO)) {
			ldc_reset(&sc->sc_lc);
			break;
		}
		sc->sc_vio_state |= VIO_ACK_VER_INFO;
		break;

	default:
		DPRINTF(("CTRL/0x%02x/VER_INFO\n", vi->tag.stype));
		break;
	}

	if (ISSET(sc->sc_vio_state, VIO_RCV_VER_INFO) &&
	    ISSET(sc->sc_vio_state, VIO_ACK_VER_INFO))
		vnet_send_attr_info(sc);
}
예제 #9
0
파일: ldc.c 프로젝트: ryo/netbsd-src
void
ldc_rx_ctrl_vers(struct ldc_conn *lc, struct ldc_pkt *lp)
{
	switch (lp->stype) {
	case LDC_INFO:
		DPRINTF(("CTRL/INFO/VERS\n"));
		if (lp->major == LDC_VERSION_MAJOR &&
		    lp->minor == LDC_VERSION_MINOR)
			ldc_send_ack(lc);
		else {
			/* XXX do nothing for now. */
		}
		break;

	case LDC_ACK:
		if (lc->lc_state != LDC_SND_VERS) {
			DPRINTF(("Spurious CTRL/ACK/VERS: state %d\n",
			    lc->lc_state));
			ldc_reset(lc);
			return;
		}
		DPRINTF(("CTRL/ACK/VERS\n"));
		ldc_send_rts(lc);
		break;

	case LDC_NACK:
		DPRINTF(("CTRL/NACK/VERS\n"));
		ldc_reset(lc);
		break;

	default:
		DPRINTF(("CTRL/0x%02x/VERS\n", lp->stype));
		ldc_reset(lc);
		break;
	}
}
예제 #10
0
파일: ldc.c 프로젝트: ryo/netbsd-src
void
ldc_rx_data(struct ldc_conn *lc, struct ldc_pkt *lp)
{
	size_t len;

	if (lp->stype != LDC_INFO) {
		DPRINTF(("DATA/0x%02x\n", lp->stype));
		ldc_reset(lc);
		return;
	}

	if (lc->lc_state != LDC_SND_RTR &&
	    lc->lc_state != LDC_SND_RDX) {
		DPRINTF(("Spurious DATA/INFO: state %d\n", lc->lc_state));
		ldc_reset(lc);
		return;
	}

	if (lp->env & LDC_FRAG_START) {
		lc->lc_len = (lp->env & LDC_LEN_MASK) + 8;
		KASSERT(lc->lc_len <= sizeof(lc->lc_msg));
		memcpy((uint8_t *)lc->lc_msg, lp, lc->lc_len);
	} else {
		len = (lp->env & LDC_LEN_MASK);
		if (lc->lc_len + len > sizeof(lc->lc_msg)) {
			DPRINTF(("Buffer overrun\n"));
			ldc_reset(lc);
			return;
		}
		memcpy(((uint8_t *)lc->lc_msg) + lc->lc_len, &lp->major, len);
		lc->lc_len += len;
	}

	if (lp->env & LDC_FRAG_STOP)
		lc->lc_rx_data(lc, (struct ldc_pkt *)lc->lc_msg);
}
예제 #11
0
파일: vdsk.c 프로젝트: enukane/openbsd-work
void
vdsk_rx_vio_rdx(struct vdsk_softc *sc, struct vio_msg_tag *tag)
{
	switch(tag->stype) {
	case VIO_SUBTYPE_INFO:
		DPRINTF(("CTRL/INFO/RDX\n"));
		break;

	case VIO_SUBTYPE_ACK:
	{
		int prod;

		DPRINTF(("CTRL/ACK/RDX\n"));
		if (!ISSET(sc->sc_vio_state, VIO_SND_RDX)) {
			ldc_reset(&sc->sc_lc);
			break;
		}
		sc->sc_vio_state |= VIO_ACK_RDX;

		/*
		 * If this ACK is the result of a reconnect, we may
		 * have pending I/O that we need to resubmit.  We need
		 * to rebuild the ring descriptors though since the
		 * vDisk server on the other side may have touched
		 * them already.  So we just clean up the ring and the
		 * LDC map and resubmit the SCSI commands based on our
		 * soft descriptors.
		 */
		prod = sc->sc_tx_prod;
		sc->sc_tx_prod = sc->sc_tx_cons;
		sc->sc_tx_cnt = 0;
		sc->sc_lm->lm_next = 1;
		sc->sc_lm->lm_count = 1;
		while (sc->sc_tx_prod != prod)
			vdsk_scsi_cmd(sc->sc_vsd[sc->sc_tx_prod].vsd_xs);

		scsi_iopool_run(&sc->sc_iopool);
		break;
	}

	default:
		DPRINTF(("CTRL/0x%02x/RDX (VIO)\n", tag->stype));
		break;
	}
}
예제 #12
0
void
vnet_rx_vio_rdx(struct vnet_softc *sc, struct vio_msg_tag *tag)
{
	struct ifnet *ifp = &sc->sc_ac.ac_if;

	switch(tag->stype) {
	case VIO_SUBTYPE_INFO:
		DPRINTF(("CTRL/INFO/RDX\n"));

		tag->stype = VIO_SUBTYPE_ACK;
		tag->sid = sc->sc_local_sid;
		vnet_sendmsg(sc, tag, sizeof(*tag));
		sc->sc_vio_state |= VIO_RCV_RDX;
		break;

	case VIO_SUBTYPE_ACK:
		DPRINTF(("CTRL/ACK/RDX\n"));
		if (!ISSET(sc->sc_vio_state, VIO_SND_RDX)) {
			ldc_reset(&sc->sc_lc);
			break;
		}
		sc->sc_vio_state |= VIO_ACK_RDX;
		break;

	default:
		DPRINTF(("CTRL/0x%02x/RDX (VIO)\n", tag->stype));
		break;
	}

	if (ISSET(sc->sc_vio_state, VIO_RCV_RDX) &&
	    ISSET(sc->sc_vio_state, VIO_ACK_RDX)) {
		/* Link is up! */
		vnet_link_state(sc);

		/* Configure multicast now that we can. */
		vnet_setmulti(sc, 1);

		KERNEL_LOCK();
		ifp->if_flags &= ~IFF_OACTIVE;
		vnet_start(ifp);
		KERNEL_UNLOCK();
	}
}
예제 #13
0
void
vnet_rx_vio_dring_reg(struct vnet_softc *sc, struct vio_msg_tag *tag)
{
	struct vio_dring_reg *dr = (struct vio_dring_reg *)tag;

	switch (dr->tag.stype) {
	case VIO_SUBTYPE_INFO:
		DPRINTF(("CTRL/INFO/DRING_REG\n"));

		sc->sc_peer_dring_nentries = dr->num_descriptors;
		sc->sc_peer_desc_size = dr->descriptor_size;
		sc->sc_peer_dring_cookie = dr->cookie[0];

		dr->tag.stype = VIO_SUBTYPE_ACK;
		dr->tag.sid = sc->sc_local_sid;
		vnet_sendmsg(sc, dr, sizeof(*dr));
		sc->sc_vio_state |= VIO_RCV_DRING_REG;
		break;

	case VIO_SUBTYPE_ACK:
		DPRINTF(("CTRL/ACK/DRING_REG\n"));
		if (!ISSET(sc->sc_vio_state, VIO_SND_DRING_REG)) {
			ldc_reset(&sc->sc_lc);
			break;
		}

		sc->sc_dring_ident = dr->dring_ident;
		sc->sc_seq_no = 1;

		sc->sc_vio_state |= VIO_ACK_DRING_REG;
		break;

	default:
		DPRINTF(("CTRL/0x%02x/DRING_REG\n", dr->tag.stype));
		break;
	}

	if (ISSET(sc->sc_vio_state, VIO_RCV_DRING_REG) &&
	    ISSET(sc->sc_vio_state, VIO_ACK_DRING_REG))
		vio_send_rdx(sc);
}
예제 #14
0
void
vnet_rx_vio_attr_info(struct vnet_softc *sc, struct vio_msg_tag *tag)
{
	struct vnet_attr_info *ai = (struct vnet_attr_info *)tag;

	switch (ai->tag.stype) {
	case VIO_SUBTYPE_INFO:
		DPRINTF(("CTRL/INFO/ATTR_INFO\n"));
		sc->sc_xfer_mode = ai->xfer_mode;

		ai->tag.stype = VIO_SUBTYPE_ACK;
		ai->tag.sid = sc->sc_local_sid;
		vnet_sendmsg(sc, ai, sizeof(*ai));
		sc->sc_vio_state |= VIO_RCV_ATTR_INFO;
		break;

	case VIO_SUBTYPE_ACK:
		DPRINTF(("CTRL/ACK/ATTR_INFO\n"));
		if (!ISSET(sc->sc_vio_state, VIO_SND_ATTR_INFO)) {
			ldc_reset(&sc->sc_lc);
			break;
		}
		sc->sc_vio_state |= VIO_ACK_ATTR_INFO;
		break;

	default:
		DPRINTF(("CTRL/0x%02x/ATTR_INFO\n", ai->tag.stype));
		break;
	}

	if (ISSET(sc->sc_vio_state, VIO_RCV_ATTR_INFO) &&
	    ISSET(sc->sc_vio_state, VIO_ACK_ATTR_INFO)) {
		if (sc->sc_xfer_mode == VIO_DRING_MODE)
			vnet_send_dring_reg(sc);
		else
			vio_send_rdx(sc);
	}
}
예제 #15
0
파일: vdsk.c 프로젝트: enukane/openbsd-work
int
vdsk_rx_intr(void *arg)
{
	struct vdsk_softc *sc = arg;
	struct ldc_conn *lc = &sc->sc_lc;
	uint64_t rx_head, rx_tail, rx_state;
	struct ldc_pkt *lp;
	int err;

	err = hv_ldc_rx_get_state(lc->lc_id, &rx_head, &rx_tail, &rx_state);
	if (err == H_EINVAL)
		return (0);
	if (err != H_EOK) {
		printf("hv_ldc_rx_get_state %d\n", err);
		return (0);
	}

	if (rx_state != lc->lc_rx_state) {
		sc->sc_vio_state = 0;
		lc->lc_tx_seqid = 0;
		lc->lc_state = 0;
		switch (rx_state) {
		case LDC_CHANNEL_DOWN:
			DPRINTF(("Rx link down\n"));
			break;
		case LDC_CHANNEL_UP:
			DPRINTF(("Rx link up\n"));
			ldc_send_vers(lc);
			break;
		case LDC_CHANNEL_RESET:
			DPRINTF(("Rx link reset\n"));
			break;
		}
		lc->lc_rx_state = rx_state;
		hv_ldc_rx_set_qhead(lc->lc_id, rx_tail);
		return (1);
	}

	if (rx_head == rx_tail)
		return (0);

	lp = (struct ldc_pkt *)(lc->lc_rxq->lq_va + rx_head);
	switch (lp->type) {
	case LDC_CTRL:
		ldc_rx_ctrl(lc, lp);
		break;

	case LDC_DATA:
		ldc_rx_data(lc, lp);
		break;

	default:
		DPRINTF(("%0x02/%0x02/%0x02\n", lp->type, lp->stype,
		    lp->ctrl));
		ldc_reset(lc);
		break;
	}

	if (lc->lc_state == 0)
		return (1);

	rx_head += sizeof(*lp);
	rx_head &= ((lc->lc_rxq->lq_nentries * sizeof(*lp)) - 1);
	err = hv_ldc_rx_set_qhead(lc->lc_id, rx_head);
	if (err != H_EOK)
		printf("%s: hv_ldc_rx_set_qhead %d\n", __func__, err);

	return (1);
}