MFC 310317

    hyperv/ic: Rname cleaned up file.

    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D8848

1 files changed, 0 insertions, 299 deletions

diff --git a/sys/dev/hyperv/utilities/hv_util.c b/sys/dev/hyperv/utilities/hv_util.c
deleted file mode 100644
index 5746700..0000000
--- a/sys/dev/hyperv/utilities/hv_util.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/*-
- * Copyright (c) 2014,2016 Microsoft Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice unmodified, this list of conditions, and the following
- *    disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/bus.h>
-#include <sys/malloc.h>
-#include <sys/systm.h>
-#include <sys/sysctl.h>
-
-#include <dev/hyperv/include/hyperv.h>
-#include <dev/hyperv/include/vmbus.h>
-#include <dev/hyperv/utilities/vmbus_icreg.h>
-#include <dev/hyperv/utilities/vmbus_icvar.h>
-
-#include "vmbus_if.h"
-
-#define VMBUS_IC_BRSIZE		(4 * PAGE_SIZE)
-
-#define VMBUS_IC_VERCNT		2
-#define VMBUS_IC_NEGOSZ		\
-	__offsetof(struct vmbus_icmsg_negotiate, ic_ver[VMBUS_IC_VERCNT])
-CTASSERT(VMBUS_IC_NEGOSZ < VMBUS_IC_BRSIZE);
-
-static int	vmbus_ic_fwver_sysctl(SYSCTL_HANDLER_ARGS);
-static int	vmbus_ic_msgver_sysctl(SYSCTL_HANDLER_ARGS);
-
-int
-vmbus_ic_negomsg(struct vmbus_ic_softc *sc, void *data, int *dlen0,
-    uint32_t fw_ver, uint32_t msg_ver)
-{
-	struct vmbus_icmsg_negotiate *nego;
-	int i, cnt, dlen = *dlen0, error;
-	uint32_t sel_fw_ver, sel_msg_ver;
-	bool has_fw_ver, has_msg_ver;
-
-	/*
-	 * Preliminary message verification.
-	 */
-	if (dlen < sizeof(*nego)) {
-		device_printf(sc->ic_dev, "truncated ic negotiate, len %d\n",
-		    dlen);
-		return (EINVAL);
-	}
-	nego = data;
-
-	if (nego->ic_fwver_cnt == 0) {
-		device_printf(sc->ic_dev, "ic negotiate does not contain "
-		    "framework version %u\n", nego->ic_fwver_cnt);
-		return (EINVAL);
-	}
-	if (nego->ic_msgver_cnt == 0) {
-		device_printf(sc->ic_dev, "ic negotiate does not contain "
-		    "message version %u\n", nego->ic_msgver_cnt);
-		return (EINVAL);
-	}
-
-	cnt = nego->ic_fwver_cnt + nego->ic_msgver_cnt;
-	if (dlen < __offsetof(struct vmbus_icmsg_negotiate, ic_ver[cnt])) {
-		device_printf(sc->ic_dev, "ic negotiate does not contain "
-		    "versions %d\n", dlen);
-		return (EINVAL);
-	}
-
-	error = EOPNOTSUPP;
-
-	/*
-	 * Find the best match framework version.
-	 */
-	has_fw_ver = false;
-	for (i = 0; i < nego->ic_fwver_cnt; ++i) {
-		if (VMBUS_ICVER_LE(nego->ic_ver[i], fw_ver)) {
-			if (!has_fw_ver) {
-				sel_fw_ver = nego->ic_ver[i];
-				has_fw_ver = true;
-			} else if (VMBUS_ICVER_GT(nego->ic_ver[i],
-			    sel_fw_ver)) {
-				sel_fw_ver = nego->ic_ver[i];
-			}
-		}
-	}
-	if (!has_fw_ver) {
-		device_printf(sc->ic_dev, "failed to select framework "
-		    "version\n");
-		goto done;
-	}
-
-	/*
-	 * Fine the best match message version.
-	 */
-	has_msg_ver = false;
-	for (i = nego->ic_fwver_cnt;
-	    i < nego->ic_fwver_cnt + nego->ic_msgver_cnt; ++i) {
-		if (VMBUS_ICVER_LE(nego->ic_ver[i], msg_ver)) {
-			if (!has_msg_ver) {
-				sel_msg_ver = nego->ic_ver[i];
-				has_msg_ver = true;
-			} else if (VMBUS_ICVER_GT(nego->ic_ver[i],
-			    sel_msg_ver)) {
-				sel_msg_ver = nego->ic_ver[i];
-			}
-		}
-	}
-	if (!has_msg_ver) {
-		device_printf(sc->ic_dev, "failed to select message "
-		    "version\n");
-		goto done;
-	}
-
-	error = 0;
-done:
-	if (bootverbose || !has_fw_ver || !has_msg_ver) {
-		if (has_fw_ver) {
-			device_printf(sc->ic_dev, "sel framework version: "
-			    "%u.%u\n",
-			    VMBUS_ICVER_MAJOR(sel_fw_ver),
-			    VMBUS_ICVER_MINOR(sel_fw_ver));
-		}
-		for (i = 0; i < nego->ic_fwver_cnt; i++) {
-			device_printf(sc->ic_dev, "supp framework version: "
-			    "%u.%u\n",
-			    VMBUS_ICVER_MAJOR(nego->ic_ver[i]),
-			    VMBUS_ICVER_MINOR(nego->ic_ver[i]));
-		}
-
-		if (has_msg_ver) {
-			device_printf(sc->ic_dev, "sel message version: "
-			    "%u.%u\n",
-			    VMBUS_ICVER_MAJOR(sel_msg_ver),
-			    VMBUS_ICVER_MINOR(sel_msg_ver));
-		}
-		for (i = nego->ic_fwver_cnt;
-		    i < nego->ic_fwver_cnt + nego->ic_msgver_cnt; i++) {
-			device_printf(sc->ic_dev, "supp message version: "
-			    "%u.%u\n",
-			    VMBUS_ICVER_MAJOR(nego->ic_ver[i]),
-			    VMBUS_ICVER_MINOR(nego->ic_ver[i]));
-		}
-	}
-	if (error)
-		return (error);
-
-	/* Record the selected versions. */
-	sc->ic_fwver = sel_fw_ver;
-	sc->ic_msgver = sel_msg_ver;
-
-	/* One framework version. */
-	nego->ic_fwver_cnt = 1;
-	nego->ic_ver[0] = sel_fw_ver;
-
-	/* One message version. */
-	nego->ic_msgver_cnt = 1;
-	nego->ic_ver[1] = sel_msg_ver;
-
-	/* Update data size. */
-	nego->ic_hdr.ic_dsize = VMBUS_IC_NEGOSZ -
-	    sizeof(struct vmbus_icmsg_hdr);
-
-	/* Update total size, if necessary. */
-	if (dlen < VMBUS_IC_NEGOSZ)
-		*dlen0 = VMBUS_IC_NEGOSZ;
-
-	return (0);
-}
-
-int
-vmbus_ic_probe(device_t dev, const struct vmbus_ic_desc descs[])
-{
-	device_t bus = device_get_parent(dev);
-	const struct vmbus_ic_desc *d;
-
-	if (resource_disabled(device_get_name(dev), 0))
-		return (ENXIO);
-
-	for (d = descs; d->ic_desc != NULL; ++d) {
-		if (VMBUS_PROBE_GUID(bus, dev, &d->ic_guid) == 0) {
-			device_set_desc(dev, d->ic_desc);
-			return (BUS_PROBE_DEFAULT);
-		}
-	}
-	return (ENXIO);
-}
-
-int
-vmbus_ic_attach(device_t dev, vmbus_chan_callback_t cb)
-{
-	struct vmbus_ic_softc *sc = device_get_softc(dev);
-	struct vmbus_channel *chan = vmbus_get_channel(dev);
-	struct sysctl_oid_list *child;
-	struct sysctl_ctx_list *ctx;
-	int error;
-
-	sc->ic_dev = dev;
-	sc->ic_buflen = VMBUS_IC_BRSIZE;
-	sc->ic_buf = malloc(VMBUS_IC_BRSIZE, M_DEVBUF, M_WAITOK | M_ZERO);
-
-	/*
-	 * These services are not performance critical and do not need
-	 * batched reading. Furthermore, some services such as KVP can
-	 * only handle one message from the host at a time.
-	 * Turn off batched reading for all util drivers before we open the
-	 * channel.
-	 */
-	vmbus_chan_set_readbatch(chan, false);
-
-	error = vmbus_chan_open(chan, VMBUS_IC_BRSIZE, VMBUS_IC_BRSIZE, NULL, 0,
-	    cb, sc);
-	if (error) {
-		free(sc->ic_buf, M_DEVBUF);
-		return (error);
-	}
-
-	ctx = device_get_sysctl_ctx(dev);
-	child = SYSCTL_CHILDREN(device_get_sysctl_tree(dev));
-	SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "fw_version",
-	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
-	    vmbus_ic_fwver_sysctl, "A", "framework version");
-	SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "msg_version",
-	    CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
-	    vmbus_ic_msgver_sysctl, "A", "message version");
-
-	return (0);
-}
-
-static int
-vmbus_ic_fwver_sysctl(SYSCTL_HANDLER_ARGS)
-{
-	struct vmbus_ic_softc *sc = arg1;
-	char verstr[16];
-
-	snprintf(verstr, sizeof(verstr), "%u.%u",
-	    VMBUS_ICVER_MAJOR(sc->ic_fwver), VMBUS_ICVER_MINOR(sc->ic_fwver));
-	return sysctl_handle_string(oidp, verstr, sizeof(verstr), req);
-}
-
-static int
-vmbus_ic_msgver_sysctl(SYSCTL_HANDLER_ARGS)
-{
-	struct vmbus_ic_softc *sc = arg1;
-	char verstr[16];
-
-	snprintf(verstr, sizeof(verstr), "%u.%u",
-	    VMBUS_ICVER_MAJOR(sc->ic_msgver), VMBUS_ICVER_MINOR(sc->ic_msgver));
-	return sysctl_handle_string(oidp, verstr, sizeof(verstr), req);
-}
-
-int
-vmbus_ic_detach(device_t dev)
-{
-	struct vmbus_ic_softc *sc = device_get_softc(dev);
-
-	vmbus_chan_close(vmbus_get_channel(dev));
-	free(sc->ic_buf, M_DEVBUF);
-
-	return (0);
-}
-
-int
-vmbus_ic_sendresp(struct vmbus_ic_softc *sc, struct vmbus_channel *chan,
-    void *data, int dlen, uint64_t xactid)
-{
-	struct vmbus_icmsg_hdr *hdr;
-	int error;
-
-	KASSERT(dlen >= sizeof(*hdr), ("invalid data length %d", dlen));
-	hdr = data;
-
-	hdr->ic_flags = VMBUS_ICMSG_FLAG_XACT | VMBUS_ICMSG_FLAG_RESP;
-	error = vmbus_chan_send(chan, VMBUS_CHANPKT_TYPE_INBAND, 0,
-	    data, dlen, xactid);
-	if (error)
-		device_printf(sc->ic_dev, "resp send failed: %d\n", error);
-	return (error);
-}