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freebsd-skq/usr.sbin/bhyve
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Ryan Moeller 60dc6bee1f bhyve: Update TX descriptor base address and host mapping on change 
bhyve sometimes segfaults when using an e1000 NIC with a Windows guest.

We are only updating our tdba and cached host mapping when the low address
register is written and when tx is set enabled, but not when the high address
or length registers are written. It is observed that Windows 10 is occasionally
enabling tx first then writing the registers in the order low, high, len. This
leaves us with a bogus base address and mapping, which causes a segfault later
when we try to copy from a descriptor that has unpredictable garbage in a
pointer.

Updating the address and mapping when any of those registers change seems to fix
that particular issue.

Reviewed by:	mav, grehan (bhyve)
MFC after:	1 week
Sponsored by:	iXsystems, Inc.
Differential Revision:	https://reviews.freebsd.org/D26798
2020-10-16 20:27:20 +00:00
..
acpi.c bhyve(8): Add VM Generation Counter ACPI device 2020-04-15 02:00:17 +00:00
acpi.h bhyve(8): Add VM Generation Counter ACPI device 2020-04-15 02:00:17 +00:00
ahci.h Fix style(9) space vs tab. 2018-06-14 01:34:53 +00:00
atkbdc.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
atkbdc.h Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
audio.c bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
audio.h Add SPDX tags to bhyve(8) HD Audio device. 2019-06-25 06:24:56 +00:00
bhyve.8 Add virtio-9p (aka VirtFS) filesystem sharing to bhyve. 2020-10-03 19:05:13 +00:00
bhyvegc.c When this code was introduced at r300829 the author forgot to add 2018-06-13 04:00:21 +00:00
bhyvegc.h Add SPDX tags to bhyve(8). 2018-06-13 03:22:08 +00:00
bhyverun.c bhyve: allow for automatic destruction on power-off 2020-06-25 12:35:20 +00:00
bhyverun.h Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
block_if.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
block_if.h Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
bootrom.c bhyve(8): Add bootrom allocation abstraction 2020-04-15 01:58:51 +00:00
bootrom.h bhyve(8): Add bootrom allocation abstraction 2020-04-15 01:58:51 +00:00
console.c Add SPDX tags to bhyve(8). 2018-06-13 03:22:08 +00:00
console.h Fix style(9) space vs tab. 2018-06-14 01:34:53 +00:00
consport.c bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
dbgport.c Use capsicum_helpers(3) that allow us to simplify the code and its functions 2019-01-16 00:39:23 +00:00
dbgport.h various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
debug.h bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
fwctl.c Always treat firmware request and response sizes as unsigned. 2018-12-04 18:28:25 +00:00
fwctl.h Add SPDX tags to bhyve(8). 2018-06-13 03:22:08 +00:00
gdb.c Add bhyve support for LA57 guest mode. 2020-08-23 20:37:21 +00:00
gdb.h Support software breakpoints in the debug server on Intel CPUs. 2019-12-13 19:21:58 +00:00
hda_codec.c bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
hda_reg.h Add SPDX tags to bhyve(8) HD Audio device. 2019-06-25 06:24:56 +00:00
hdac_reg.h Add SPDX tags to bhyve(8) HD Audio device. 2019-06-25 06:24:56 +00:00
inout.c Fix style(9) space vs tab. 2018-06-14 01:34:53 +00:00
inout.h various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
ioapic.c various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
ioapic.h various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
iov.c bhyve: enable virtio-net mergeable rx buffers for tap(4) 2020-02-20 21:07:23 +00:00
iov.h bhyve: enable virtio-net mergeable rx buffers for tap(4) 2020-02-20 21:07:23 +00:00
kernemu_dev.c vmm(4), bhyve(8): Expose kernel-emulated special devices to userspace 2020-05-15 15:54:22 +00:00
kernemu_dev.h vmm(4), bhyve(8): Expose kernel-emulated special devices to userspace 2020-05-15 15:54:22 +00:00
Makefile Add virtio-9p (aka VirtFS) filesystem sharing to bhyve. 2020-10-03 19:05:13 +00:00
Makefile.depend Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
Makefile.depend.options Add Makefile.depend.options 2019-12-11 17:37:37 +00:00
mem.c Add support for writing to guest memory in the debug server. 2019-05-24 00:34:13 +00:00
mem.h Add support for writing to guest memory in the debug server. 2019-05-24 00:34:13 +00:00
mevent_test.c Improve bhyve exit(3) error code. 2018-07-11 03:23:09 +00:00
mevent.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
mevent.h bhyve: add backend rx backpressure to virtio-net 2019-11-03 19:02:32 +00:00
mptbl.c bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
mptbl.h various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
net_backends.c bhyve: Fix processing of netgraph backend options. 2020-05-15 11:03:27 +00:00
net_backends.h bhyve: Pass the full string of options to the network backends. 2020-05-08 17:15:54 +00:00
net_utils.c Add VIRTIO_NET_F_MTU flag support for the bhyve virtio-net device. 2020-04-07 17:06:33 +00:00
net_utils.h Add VIRTIO_NET_F_MTU flag support for the bhyve virtio-net device. 2020-04-07 17:06:33 +00:00
pci_ahci.c bhyve: Fix build with option BHYVE_SNAPSHOT 2020-10-01 17:16:05 +00:00
pci_e82545.c bhyve: Update TX descriptor base address and host mapping on change 2020-10-16 20:27:20 +00:00
pci_emul.c Fix pci-passthru MSI issues with OpenBSD guests 2020-05-25 06:25:31 +00:00
pci_emul.h Fix pci-passthru MSI issues with OpenBSD guests 2020-05-25 06:25:31 +00:00
pci_fbuf.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
pci_hda.c bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
pci_hda.h bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
pci_hostbridge.c various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
pci_irq.c Add SPDX tags to bhyve(8). 2018-06-13 03:22:08 +00:00
pci_irq.h Add SPDX tags to bhyve(8). 2018-06-13 03:22:08 +00:00
pci_lpc.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
pci_lpc.h Add -s "help" and -l "help" to print a list of supported PCI and LPC devices. 2018-08-22 20:23:08 +00:00
pci_nvme.c bhyve: NVMe queue create must init head/tail 2020-08-24 01:51:21 +00:00
pci_passthru.c Fix pci-passthru MSI issues with OpenBSD guests 2020-05-25 06:25:31 +00:00
pci_uart.c bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
pci_virtio_9p.c Add virtio-9p (aka VirtFS) filesystem sharing to bhyve. 2020-10-03 19:05:13 +00:00
pci_virtio_block.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
pci_virtio_console.c bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
pci_virtio_net.c bhyve: Pass the full string of options to the network backends. 2020-05-08 17:15:54 +00:00
pci_virtio_rnd.c bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
pci_virtio_scsi.c bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
pci_xhci.c Advertise 64-bit physical-address capability. 2020-07-10 07:26:50 +00:00
pci_xhci.h Add SPDX tags to bhyve(8). 2018-06-13 03:22:08 +00:00
pm.c Silence ACPI RTC error/warning in Linux guests. 2020-07-06 08:36:14 +00:00
post.c various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
ps2kbd.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
ps2kbd.h Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
ps2mouse.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
ps2mouse.h Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
rfb.c Bhyve: log message when rfb client connects 2020-03-18 03:17:15 +00:00
rfb.h Add SPDX tags to bhyve(8). 2018-06-13 03:22:08 +00:00
rtc.c Fix style(9) space vs tab. 2018-06-14 01:34:53 +00:00
rtc.h various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
smbiostbl.c In the past changes have been made to smbios->minor without updating the 2020-04-07 23:17:44 +00:00
smbiostbl.h various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
snapshot.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
snapshot.h Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
sockstream.c Fix style(9) space vs tab. 2018-06-14 01:34:53 +00:00
sockstream.h Add SPDX tags to bhyve(8). 2018-06-13 03:22:08 +00:00
spinup_ap.c various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
spinup_ap.h various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
task_switch.c bhyve: add wrapper for debug printf statements 2020-01-08 22:55:22 +00:00
uart_emul.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
uart_emul.h Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
usb_emul.c Add SPDX tags to bhyve(8). 2018-06-13 03:22:08 +00:00
usb_emul.h Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
usb_mouse.c Fix byte-reversal of language ID in string descriptor. 2020-09-18 05:54:59 +00:00
vga.c Add SPDX tags to bhyve(8). 2018-06-13 03:22:08 +00:00
vga.h Fix style(9) space vs tab. 2018-06-14 01:34:53 +00:00
virtio.c Initial support for bhyve save and restore. 2020-05-05 00:02:04 +00:00
virtio.h Add virtio-9p (aka VirtFS) filesystem sharing to bhyve. 2020-10-03 19:05:13 +00:00
vmgenc.c bhyve(8): Correct copyright boilerplate for r359950 2020-04-15 05:55:14 +00:00
vmgenc.h bhyve(8): Correct copyright boilerplate for r359950 2020-04-15 05:55:14 +00:00
xmsr.c bhyve, bhyvectl: Add Hygon Dhyana support. 2020-02-13 19:05:14 +00:00
xmsr.h various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00