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  /src/sys/netinet/
sctp_asconf.c 1.12.28.1 Thu Apr 18 16:22:28 UTC 2024 martin Pull up following revision(s) (requested by knakahara in ticket #659):

sys/netinet6/in6_ifattach.c: revision 1.122
sys/netinet/sctp_asconf.c: revision 1.14
sys/netinet6/nd6.c: revision 1.282

Fix invalid IPv6 route when ipsecif(4) is deleted tunnel. Pointed out by ohishi@IIJ.
The pointed bug is fixed by modification in nd6_need_cache().
Others are similar bugs.

if_arp.c 1.282 Mon Apr 29 16:12:30 UTC 2019 roy branches: 1.282.2;
Introduce rt_addrmsg_src which adds RTA_AUTHOR to the message.
Use this when we notify userland of a duplicate address
and set RTA_AUTHOR to the hardware address of the sender.

While here, match the logging diagnostic of INET6 to the simpler one
of INET so it's consistent.
Mon Apr 29 16:12:30 UTC 2019 roy branches: 1.282.2;
Introduce rt_addrmsg_src which adds RTA_AUTHOR to the message.
Use this when we notify userland of a duplicate address
and set RTA_AUTHOR to the hardware address of the sender.

While here, match the logging diagnostic of INET6 to the simpler one
of INET so it's consistent.
1.282.2.8 Thu Jan 08 10:38:54 UTC 2026 martin Pull up following revision(s) (requested by ozaki-r in ticket #1994):

sys/netinet/if_arp.c: revision 1.318

arp: clear csum_flags before sending an ARP reply packet

A mbuf used for Rx is reused for reply, so we have to clear csum_flags
used for Rx. Otherwise, Tx processing like ether_sw_offload_tx() is
confused with it.
1.282.2.7 Sat Aug 24 16:46:35 UTC 2024 martin Pull up following revision(s) (requested by ozaki-r in ticket #1883):

tests/net/arp/t_dad.sh: revision 1.16
sys/netinet/in.c: revision 1.248
tests/net/arp/t_arp.sh: revision 1.46
sys/netinet/if_arp.c: revision 1.314

arp: fix the behavior on detecting an address duplication without IPv4 DAD

On receiving an ARP request that has the same source protocol address as
the own address, i.e., address duplication, the original behavior of
a kernel prior to supporing IPv4 DAD is to send an ARP reply. It is
the same with a latest kernel with DAD enabled. However, a latest
kernel without DAD sends back an GARP packet. Restore the original
behavior.

inet: send GARP on link up if DAD is disabled

This behavior was accidentally removed at rev 1.233.

tests, arp: add tests of address duplications without DAD

tests, arp: add tests for GARP on link up
1.282.2.6 Fri Jan 24 18:57:02 UTC 2020 martin Pull up following revision(s) (requested by roy in ticket #645):

sys/netinet/if_arp.c: revision 1.292

arp: find source address then target address when processing input

This fixes the case where another host having a duplicate ip address
starts using it right away without probing for it's availability.

While here, prefer ifatoia over a strict cast.
1.282.2.5 Fri Oct 11 18:22:14 UTC 2019 martin Pull up following revision(s) (requested by roy in ticket #300):

sys/netinet/if_arp.c: revision 1.289

ARP: Don't defend ARP probes.

We should let the nature of ARP takes it's course here when our address
is neither tentative nor duplicated.
This allows the host to work with ARP ping, which was broken in r1.279.
1.282.2.4 Mon Sep 30 15:55:40 UTC 2019 martin Pull up following revision(s) (requested by ozaki-r in ticket #269):

sys/netinet6/nd6.h: revision 1.88
sys/net/rtsock_shared.c: revision 1.10
sys/netinet6/nd6_nbr.c: revision 1.174
sys/netinet6/nd6.c: revision 1.264
sys/netinet/if_arp.c: revision 1.283
sys/netinet/if_arp.c: revision 1.288

Initialize DAD components properly

The original code initialized each component in non-init functions such as
arp_dad_start and nd6_dad_find, conditionally based on a global flag for each.
However, it was racy because the flag and the code around it were not
protected by a lock and could cause a kernel panic at worst.

Fix the issue by initializing the components in bootup as usual.

-

Initialize dom_mowner for MBUFTRACE
1.282.2.3 Thu Sep 05 08:34:11 UTC 2019 martin Pull up following revision(s) (requested by roy in ticket #170):

sys/netinet/if_arp.c: revision 1.287

inet: Send RTM_MISS when we fail to resolve an address.

Takes the same approach as when adding a new address - we no longer
announce the new lladdr right away but we announce the result.

This will either be RTM_ADD or RTM_MISS.
RTM_DELETE is only sent if we have a lladdr assigned OR gc'ed.

This tells us when a new lladdr has been added (RTM_ADD),
changed (RTM_CHANGE), deleted (RTM_DELETED) or has failed to been
resolved (RTM_MISS). The latter case can be interpreted as unreachable.
1.282.2.2 Sun Sep 01 14:04:37 UTC 2019 martin Pull up following revision(s) (requested by roy in ticket #147):

sys/netinet/if_arp.c: revision 1.285
sys/netinet/if_arp.c: revision 1.286

ARP: remove unused sysctl entry log_unknown_network

ARP: change default sysctl entry log_movements to 0
IP address sharing is a thing and shouldn't cause needless diagnostics
by default.
1.282.2.1 Mon Aug 26 13:42:36 UTC 2019 martin Pull up following revision(s) (requested by roy in ticket #109):

sys/net/route.h: revision 1.124
sys/netinet6/nd6.c: revision 1.258
sys/netinet6/nd6.c: revision 1.259
sys/net/rtsock.c: revision 1.251
sys/netinet/if_arp.c: revision 1.284
sys/netinet6/nd6_nbr.c: revision 1.167

rtsock: rework rt_clonedmsg to take a message type and lladdr

We will use this in a future patch to notify userland of lladdr
changes.

XXX pullup -8 -9

-

nd6: notify userland of neighbour lla updates once more

XXX pullup -8 -9
  /src/usr.sbin/nvmmctl/
Makefile 1.2.2.2 Sun Nov 10 00:58:29 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

nvmmctl.8 1.2.2.2 Sun Nov 10 00:58:29 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

nvmmctl.c 1.1.2.2 Sun Nov 10 00:58:29 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

  /src/sys/arch/sparc/sparc/
machdep.c 1.282 Thu Oct 16 19:38:36 UTC 2008 martin branches: 1.282.2; 1.282.4;
Add misissing include and fix a few typos.
Thu Oct 16 19:38:36 UTC 2008 martin branches: 1.282.2; 1.282.4;
Add misissing include and fix a few typos.
.2; 1.282.4;
Add misissing include and fix a few typos.
1.282.4.4 Tue Mar 08 17:29:46 UTC 2011 riz Apply patches (requested by mrg in ticket #1564):
sys/arch/sparc/dev/zs.c: patch
sys/arch/sparc/include/cpu.h: patch
sys/arch/sparc/include/z8530var.h: patch
sys/arch/sparc/sparc/cpu.c: patch
sys/arch/sparc/sparc/cpuvar.h: patch
sys/arch/sparc/sparc/db_interface.c: patch
sys/arch/sparc/sparc/genassym.cf: patch
sys/arch/sparc/sparc/intr.c: patch
sys/arch/sparc/sparc/locore.s: patch
sys/arch/sparc/sparc/machdep.c: patch
sys/arch/sparc/sparc/timer.c: patch
sys/arch/sparc/sparc/timer_sun4m.c: patch
sys/arch/sparc/sparc/timervar.h: patch
sys/arch/sparc/sparc/trap.c: patch
sys/arch/sparc/sparc/vm_machdep.c: patch

- fix a panic in savefpstate. idea, and code suggestions from uwe
- convert xpmsg_lock to IPL_SCHED. the old spl/simple_lock code ran at
splsched(), and this significantly helps with stability under load when
running with multiple active CPUs
- in strayintr() don't print about stray zs inters in MP case
- fix a deadlock in xcall()
- consolidate the interrupt evcnt(9) into a full set of per-IPL per-CPU
soft/hard counters
- fix xcall() failure messages in some cases
- addd new ddb command "mach xcall"
- use schedintr() (not schedintr_4m()) on MP or single CPU configurations
- call hardclock() the same way on cpu0 in MP and !MP cases
- request the appropriate stack space for nmi_sun4m, in particular,
make sure we have space for %g2...%g5. now entering ddb via eg,
serial break no longer causes cpu1 to fault.
- give memfault_sun*() some entry points that both gdb and ddb will find.
from tsutsui:
- fix panic in interrupt handlers in zs
1.282.4.3 Sun Oct 18 14:40:40 UTC 2009 bouyer Back out ticket 969
1.282.4.2 Sun Oct 18 13:43:45 UTC 2009 bouyer Pull up following revision(s) (requested by macallan in ticket #969):
sys/arch/sparc/include/bus.h: revision 1.56
sys/arch/sparc/sparc/machdep.c: revision 1.294
do as phone suggested - remove sparc_bus_map_large() again and use a =20=
flag
instead ( BUS_SPACE_MAP_LARGE )
1.282.4.1 Mon Feb 02 03:30:33 UTC 2009 snj branches: 1.282.4.1.4;
Pull up following revision(s) (requested by ad in ticket #346):
sys/arch/alpha/alpha/machdep.c: revision 1.311
sys/arch/amiga/amiga/machdep.c: revision 1.211
sys/arch/atari/atari/machdep.c: revision 1.153
sys/arch/hp700/hp700/machdep.c: revision 1.53
sys/arch/i386/i386/dumpsys.c: revision 1.5
sys/arch/mips/mips/mips_machdep.c: revision 1.206
sys/arch/mvme68k/mvme68k/machdep.c: revision 1.132
sys/arch/news68k/news68k/machdep.c: revision 1.75
sys/arch/next68k/next68k/machdep.c: revision 1.88
sys/arch/sparc/sparc/machdep.c: revision 1.285
sys/arch/sparc64/sparc64/machdep.c: revision 1.230
sys/arch/sun2/sun2/machdep.c: revision 1.56
sys/arch/sun3/sun3/machdep.c: revision 1.188
sys/arch/sun3/sun3x/machdep.c: revision 1.114
sys/arch/x68k/x68k/machdep.c: revision 1.153
dumpsys: don't spew numbers into the log.
.4.1 Mon Feb 02 03:30:33 UTC 2009 snj branches: 1.282.4.1.4;
Pull up following revision(s) (requested by ad in ticket #346):
sys/arch/alpha/alpha/machdep.c: revision 1.311
sys/arch/amiga/amiga/machdep.c: revision 1.211
sys/arch/atari/atari/machdep.c: revision 1.153
sys/arch/hp700/hp700/machdep.c: revision 1.53
sys/arch/i386/i386/dumpsys.c: revision 1.5
sys/arch/mips/mips/mips_machdep.c: revision 1.206
sys/arch/mvme68k/mvme68k/machdep.c: revision 1.132
sys/arch/news68k/news68k/machdep.c: revision 1.75
sys/arch/next68k/next68k/machdep.c: revision 1.88
sys/arch/sparc/sparc/machdep.c: revision 1.285
sys/arch/sparc64/sparc64/machdep.c: revision 1.230
sys/arch/sun2/sun2/machdep.c: revision 1.56
sys/arch/sun3/sun3/machdep.c: revision 1.188
sys/arch/sun3/sun3x/machdep.c: revision 1.114
sys/arch/x68k/x68k/machdep.c: revision 1.153
dumpsys: don't spew numbers into the log.
1.282.4.1.4.1 Wed Apr 21 00:33:48 UTC 2010 matt sync to netbsd-5
1.282.2.3 Tue Apr 28 07:34:41 UTC 2009 skrll Sync with HEAD.
  /src/sys/arch/i386/conf/
files.i386 1.282 Sun Feb 19 21:41:18 UTC 2006 jmcneill branches: 1.282.2; 1.282.4; 1.282.6;
Add screenblanking support. Not enabled by default, as in some cases it
might cause the system to hang. Where it does work, it works well. Enabled
by setting options VESAFB_PM.

Tested on ATI Radeon M9 (failed), NeoMagic 256AV (passed).
Sun Feb 19 21:41:18 UTC 2006 jmcneill branches: 1.282.2; 1.282.4; 1.282.6;
Add screenblanking support. Not enabled by default, as in some cases it
might cause the system to hang. Where it does work, it works well. Enabled
by setting options VESAFB_PM.

Tested on ATI Radeon M9 (failed), NeoMagic 256AV (passed).
.2; 1.282.4; 1.282.6;
Add screenblanking support. Not enabled by default, as in some cases it
might cause the system to hang. Where it does work, it works well. Enabled
by setting options VESAFB_PM.

Tested on ATI Radeon M9 (failed), NeoMagic 256AV (passed).
.4; 1.282.6;
Add screenblanking support. Not enabled by default, as in some cases it
might cause the system to hang. Where it does work, it works well. Enabled
by setting options VESAFB_PM.

Tested on ATI Radeon M9 (failed), NeoMagic 256AV (passed).
1.282.6.3 Wed May 24 15:47:57 UTC 2006 tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
1.282.6.2 Fri Mar 31 09:45:02 UTC 2006 tron Merge 2006-03-31 NetBSD-current into the "peter-altq" branch.
1.282.6.1 Tue Mar 28 09:47:16 UTC 2006 tron Merge 2006-03-28 NetBSD-current into the "peter-altq" branch.
1.282.4.2 Thu May 11 23:26:20 UTC 2006 elad sync with head
1.282.4.1 Wed Apr 19 02:32:45 UTC 2006 elad sync with head - hopefully this will work
1.282.2.6 Thu Sep 14 00:31:10 UTC 2006 yamt sync with head.
INSTALL 1.282 Sun Mar 12 22:57:01 UTC 2006 chs branches: 1.282.2;
add nfe.
Sun Mar 12 22:57:01 UTC 2006 chs branches: 1.282.2;
add nfe.
1.262.2.1 Thu Apr 20 03:17:32 UTC 2006 snj Pull up following revision(s) (requested by tron in ticket #1266):
sys/arch/amd64/conf/GENERIC: revision 1.88
sys/arch/i386/conf/INSTALL: revision 1.282
sys/arch/amd64/conf/INSTALL: revision 1.48
sys/arch/i386/conf/XEN0: revision 1.35
sys/arch/i386/conf/GENERIC: revision 1.733
add nfe.
1.282.2.2 Wed May 24 15:47:57 UTC 2006 tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
1.282.2.1 Tue Mar 28 09:47:16 UTC 2006 tron Merge 2006-03-28 NetBSD-current into the "peter-altq" branch.
  /src/sys/nfs/
nfs_vnops.c 1.282 Fri Jan 08 11:35:11 UTC 2010 pooka branches: 1.282.2; 1.282.4;
The VATTR_NULL/VREF/VHOLD/HOLDRELE() macros lost their will to live
years ago when the kernel was modified to not alter ABI based on
DIAGNOSTIC, and now just call the respective function interfaces
(in lowercase). Plenty of mix'n match upper/lowercase has creeped
into the tree since then. Nuke the macros and convert all callsites
to lowercase.

no functional change
Fri Jan 08 11:35:11 UTC 2010 pooka branches: 1.282.2; 1.282.4;
The VATTR_NULL/VREF/VHOLD/HOLDRELE() macros lost their will to live
years ago when the kernel was modified to not alter ABI based on
DIAGNOSTIC, and now just call the respective function interfaces
(in lowercase). Plenty of mix'n match upper/lowercase has creeped
into the tree since then. Nuke the macros and convert all callsites
to lowercase.

no functional change
.2; 1.282.4;
The VATTR_NULL/VREF/VHOLD/HOLDRELE() macros lost their will to live
years ago when the kernel was modified to not alter ABI based on
DIAGNOSTIC, and now just call the respective function interfaces
(in lowercase). Plenty of mix'n match upper/lowercase has creeped
into the tree since then. Nuke the macros and convert all callsites
to lowercase.

no functional change
1.282.4.5 Tue May 31 03:05:10 UTC 2011 rmind sync with head
1.282.4.4 Sat Mar 05 20:56:04 UTC 2011 rmind sync with head
1.282.4.3 Sat Jul 03 01:20:00 UTC 2010 rmind sync with head
1.282.4.2 Sun May 30 05:18:03 UTC 2010 rmind sync with head
1.282.4.1 Tue Mar 16 15:38:12 UTC 2010 rmind Change struct uvm_object::vmobjlock to be dynamically allocated with
mutex_obj_alloc(). It allows us to share the locks among UVM objects.
1.282.2.3 Sat Nov 06 08:08:50 UTC 2010 uebayasi Sync with HEAD.
1.282.2.2 Tue Aug 17 06:47:51 UTC 2010 uebayasi Sync with HEAD.
  /src/sys/dev/usb/
xhcivar.h 1.4.8.2 Sat Aug 25 14:57:35 UTC 2018 martin Pull up following revision(s) (requested by mrg in ticket #1632):

sys/dev/usb/usbdivar.h: revision 1.117
sys/external/bsd/dwc2/dwc2.c: revision 1.52
sys/dev/usb/xhcivar.h: revision 1.10
sys/dev/usb/motg.c: revision 1.22
sys/dev/usb/ehci.c: revision 1.260
sys/dev/usb/ehci.c: revision 1.261
sys/dev/usb/xhci.c: revision 1.96
sys/dev/usb/ohci.c: revision 1.282
sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.

among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused


sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.

among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused

1.7.6.1 Sat Aug 25 11:29:52 UTC 2018 martin Pull up following revision(s) (requested by mrg in ticket #980):

sys/dev/usb/usbdivar.h: revision 1.117
sys/external/bsd/dwc2/dwc2.c: revision 1.52
sys/dev/usb/xhcivar.h: revision 1.10
sys/dev/usb/motg.c: revision 1.22
sys/dev/usb/ehci.c: revision 1.260
sys/dev/usb/ehci.c: revision 1.261
sys/dev/usb/xhci.c: revision 1.96
sys/dev/usb/ohci.c: revision 1.282
sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.
among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused


sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.
among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused

motg.c 1.6.4.5 Sat Aug 25 14:57:35 UTC 2018 martin Pull up following revision(s) (requested by mrg in ticket #1632):

sys/dev/usb/usbdivar.h: revision 1.117
sys/external/bsd/dwc2/dwc2.c: revision 1.52
sys/dev/usb/xhcivar.h: revision 1.10
sys/dev/usb/motg.c: revision 1.22
sys/dev/usb/ehci.c: revision 1.260
sys/dev/usb/ehci.c: revision 1.261
sys/dev/usb/xhci.c: revision 1.96
sys/dev/usb/ohci.c: revision 1.282
sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.

among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused


sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.

among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused

1.17.10.3 Sat Aug 25 11:29:52 UTC 2018 martin Pull up following revision(s) (requested by mrg in ticket #980):

sys/dev/usb/usbdivar.h: revision 1.117
sys/external/bsd/dwc2/dwc2.c: revision 1.52
sys/dev/usb/xhcivar.h: revision 1.10
sys/dev/usb/motg.c: revision 1.22
sys/dev/usb/ehci.c: revision 1.260
sys/dev/usb/ehci.c: revision 1.261
sys/dev/usb/xhci.c: revision 1.96
sys/dev/usb/ohci.c: revision 1.282
sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.
among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused


sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.
among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused

ohcivar.h 1.55.4.2 Sat Aug 25 14:57:35 UTC 2018 martin Pull up following revision(s) (requested by mrg in ticket #1632):

sys/dev/usb/usbdivar.h: revision 1.117
sys/external/bsd/dwc2/dwc2.c: revision 1.52
sys/dev/usb/xhcivar.h: revision 1.10
sys/dev/usb/motg.c: revision 1.22
sys/dev/usb/ehci.c: revision 1.260
sys/dev/usb/ehci.c: revision 1.261
sys/dev/usb/xhci.c: revision 1.96
sys/dev/usb/ohci.c: revision 1.282
sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.

among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused

sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.

among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused
1.58.10.1 Sat Aug 25 11:29:52 UTC 2018 martin Pull up following revision(s) (requested by mrg in ticket #980):

sys/dev/usb/usbdivar.h: revision 1.117
sys/external/bsd/dwc2/dwc2.c: revision 1.52
sys/dev/usb/xhcivar.h: revision 1.10
sys/dev/usb/motg.c: revision 1.22
sys/dev/usb/ehci.c: revision 1.260
sys/dev/usb/ehci.c: revision 1.261
sys/dev/usb/xhci.c: revision 1.96
sys/dev/usb/ohci.c: revision 1.282
sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.
among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused

sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.
among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused
uhcivar.h 1.52.12.2 Sat Aug 25 14:57:35 UTC 2018 martin Pull up following revision(s) (requested by mrg in ticket #1632):

sys/dev/usb/usbdivar.h: revision 1.117
sys/external/bsd/dwc2/dwc2.c: revision 1.52
sys/dev/usb/xhcivar.h: revision 1.10
sys/dev/usb/motg.c: revision 1.22
sys/dev/usb/ehci.c: revision 1.260
sys/dev/usb/ehci.c: revision 1.261
sys/dev/usb/xhci.c: revision 1.96
sys/dev/usb/ohci.c: revision 1.282
sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.

among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused


sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.

among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused

1.53.10.1 Sat Aug 25 11:29:52 UTC 2018 martin Pull up following revision(s) (requested by mrg in ticket #980):

sys/dev/usb/usbdivar.h: revision 1.117
sys/external/bsd/dwc2/dwc2.c: revision 1.52
sys/dev/usb/xhcivar.h: revision 1.10
sys/dev/usb/motg.c: revision 1.22
sys/dev/usb/ehci.c: revision 1.260
sys/dev/usb/ehci.c: revision 1.261
sys/dev/usb/xhci.c: revision 1.96
sys/dev/usb/ohci.c: revision 1.282
sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.
among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused


sys/dev/usb/ohci.c: revision 1.283
sys/dev/usb/ehcivar.h: revision 1.45
sys/dev/usb/uhci.c: revision 1.281
sys/dev/usb/uhci.c: revision 1.282
sys/dev/usb/usbdi.c: revision 1.177
sys/dev/usb/ohcivar.h: revision 1.60
sys/dev/usb/uhcivar.h: revision 1.55
(all via patch)

pull across abort fixes from nick-nhusb. add more abort fixes, using
ideas from Taylor and Nick, and myself. special thanks to both who
inspired much of the code here, if not wrote it directly.
among other problems, this assert should no longer trigger:

panic: kernel diagnostic assertion "xfer->ux_state == XFER_ONQU" failed: file "/current/src/sys/dev/usb/usbdi.c", line 914

using usbhist i was able to track down my instance of it being related
to userland close() beginning, dropping the sc_lock, and then the usb
softintr completes the transfer normally, and when it is done, the
abort path attempts to re-complete the transfer, and the above assert
is tripped.

changes from nhusb were commited with these logs:
--
Move the struct usb_task to struct usbd_xfer for everyone to use.
--
Set device transfer status to USBD_IN_PROGRESS if start methods succeeds
--
Actually set the transfer status on transfers in ohci_abort_xfer and
the controller is dying
--
Don't supply the lock to callout_halt when polling as it won't be held
--
Improve transfer abort
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--
--
Mark device transfers as USBD_IN_PROGRESS appropriately and improve
abort handling
--

additional changes include:
- initialise the usb abort task in the HCI allocx routine, so that it
can be safely usb_rem_task()'d.
- rework the handling of softintr vs cancellation vs timeout abort based
upon a scheme from Taylor:
when completing a transfer normally:
- if the status is not in progress, it must be cancelled or timed out,
and we should not process this xfer.
- set the status as normal.
- unconditionallly callout_stop() and usb_rem_task(). they're safe and
either aren't running, or will run and do nothing.
- finally call usb_transfer_complete().
when aborting a transfer:
- status should be cancelled or timed out.
- if cancelling, callout_halt and usb_rem_task_wait() to make sure the
timer is either done or cancelled.
- at this point, the ux_status must not be cancelled or timed out, and
if it is not in progress we're done.
- set the status.
- if the controller is dying, just return.
- perform HCI-specific tasks to abort this xfer.
- finally call usb_transfer_complete().
for the timeout and timeout task:
- if the HCI is not dying, and the ux_status is in progress, then
trigger the usb abort task.
- remove UXFER_ABORTWAIT and UXFER_ABORTING.

tested on:
- multiple PC systems with several types of devices: ugen/UPS, ucom,
umass with disk, ssd and cdrom backends, kbd, ms, using uhci, ehci
and xhci.
- erlite3: sd@umass on dwc2.
- sunblade2000: kbd/ms and umass disk on ohci.

untested:
- motg, slhci and ahci. motg has some portion of the new scheme
applied, but slhci and ahci require more study.

future work includes pushing a lot of the common abort handling into
usbdi.c and leaving upm_abort() for HC specific tasks, but this change
is pullup-able to netbsd-7 and netbsd-8 as it does not change any
external API, as well as removing over 100 lines of code while adding
over 30 new asserts.

XXX: pullup-7, pullup-8.

fix DIAGNOSTIC build by not copying ub_usepolling to stack before use

Sprinkle __diagused

  /src/tests/lib/libnvmm/
h_io_assist.c 1.8.4.1 Sun Nov 10 00:58:30 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

h_mem_assist_asm.S 1.6.4.1 Sun Nov 10 00:58:30 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

h_mem_assist.c 1.11.4.1 Sun Nov 10 00:58:30 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

  /src/etc/
group 1.34.16.1 Sun Nov 10 00:58:31 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.
  /src/lib/libnvmm/
libnvmm.3 1.19.4.1 Sun Nov 10 00:58:30 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

libnvmm.c 1.14.4.1 Sun Nov 10 00:58:30 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

libnvmm_x86.c 1.31.4.1 Sun Nov 10 00:58:30 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

nvmm.h 1.12.4.1 Sun Nov 10 00:58:30 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

  /src/sys/dev/nvmm/
nvmm_ioctl.h 1.7.4.1 Sun Nov 10 00:58:30 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

nvmm.h 1.10.4.1 Sun Nov 10 00:58:30 UTC 2019 martin Pull up following revision(s) (requested by maxv in ticket #405):

usr.sbin/nvmmctl/nvmmctl.8: revision 1.2
lib/libnvmm/libnvmm.3: revision 1.24
sys/dev/nvmm/nvmm.h: revision 1.11
lib/libnvmm/libnvmm.3: revision 1.25
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.16
sys/dev/nvmm/nvmm.h: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.12
sys/dev/nvmm/x86/nvmm_x86.h: revision 1.18
share/mk/bsd.hostprog.mk: revision 1.82
lib/libnvmm/libnvmm.c: revision 1.15
distrib/sets/lists/base/md.amd64: revision 1.281
tests/lib/libnvmm/h_mem_assist.c: revision 1.13
lib/libnvmm/libnvmm.c: revision 1.16
tests/lib/libnvmm/h_mem_assist.c: revision 1.14
lib/libnvmm/libnvmm_x86.c: revision 1.32
lib/libnvmm/libnvmm.c: revision 1.17
tests/lib/libnvmm/h_mem_assist.c: revision 1.15
lib/libnvmm/libnvmm_x86.c: revision 1.33
lib/libnvmm/libnvmm.c: revision 1.18
usr.sbin/nvmmctl/Makefile: revision 1.1
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.7
tests/lib/libnvmm/h_mem_assist.c: revision 1.16
lib/libnvmm/libnvmm_x86.c: revision 1.34
usr.sbin/nvmmctl/Makefile: revision 1.2
tests/lib/libnvmm/h_mem_assist_asm.S: revision 1.8
tests/lib/libnvmm/h_mem_assist.c: revision 1.17
sys/dev/nvmm/nvmm_internal.h: revision 1.13
lib/libnvmm/libnvmm_x86.c: revision 1.35
lib/libnvmm/libnvmm_x86.c: revision 1.36
usr.sbin/postinstall/postinstall.in: revision 1.8
lib/libnvmm/libnvmm_x86.c: revision 1.37
lib/libnvmm/libnvmm_x86.c: revision 1.38
lib/libnvmm/libnvmm_x86.c: revision 1.39
usr.sbin/Makefile: revision 1.282
lib/libnvmm/nvmm.h: revision 1.13
lib/libnvmm/nvmm.h: revision 1.14
lib/libnvmm/nvmm.h: revision 1.15
sys/dev/nvmm/nvmm.c: revision 1.23
lib/libnvmm/nvmm.h: revision 1.16
sys/dev/nvmm/nvmm.c: revision 1.24
lib/libnvmm/nvmm.h: revision 1.17
sys/dev/nvmm/nvmm.c: revision 1.25
tests/lib/libnvmm/h_io_assist.c: revision 1.9
etc/MAKEDEV.tmpl: revision 1.209
tests/lib/libnvmm/h_io_assist.c: revision 1.10
tests/lib/libnvmm/h_io_assist.c: revision 1.11
etc/group: revision 1.35
distrib/sets/lists/man/mi: revision 1.1660
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.40
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.41
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.42
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.43
sys/dev/nvmm/x86/nvmm_x86_vmx.c: revision 1.44
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.51
sys/dev/nvmm/nvmm_ioctl.h: revision 1.8
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.52
sys/dev/nvmm/nvmm_ioctl.h: revision 1.9
sys/dev/nvmm/x86/nvmm_x86_svm.c: revision 1.53
usr.sbin/nvmmctl/nvmmctl.c: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.20
distrib/sets/lists/debug/md.amd64: revision 1.106
lib/libnvmm/libnvmm.3: revision 1.21
lib/libnvmm/libnvmm.3: revision 1.22
usr.sbin/nvmmctl/nvmmctl.8: revision 1.1
lib/libnvmm/libnvmm.3: revision 1.23

Fix incorrect parsing: the R/M field uses a special GPR map when the
address size is 16 bits, regardless of the actual operating mode. With
this special map there can be two registers referenced at once, and
also disp16-only.
Implement this special behavior, and add associated tests. While here
simplify a few things.
With this in place, the Windows 95 installer initializes correctly.
Part of PR/54611.
add missing initializer
Implement XCHG, add associated tests, and add comments to explain. With
this in place the Windows 95 installer completes successfuly.
Part of PR/54611.
Improve nvmm_vcpu_dump().
Put back 'default', because llvm apparently doesn't realize that all cases
are covered in the switch.
Miscellaneous changes in NVMM, to address several inconsistencies and
issues in the libnvmm API.
- Rename NVMM_CAPABILITY_VERSION to NVMM_KERN_VERSION, and check it in
libnvmm. Introduce NVMM_USER_VERSION, for future use.
- In libnvmm, open "/dev/nvmm" as read-only and with O_CLOEXEC. This is to
avoid sharing the VMs with the children if the process forks. In the
NVMM driver, force O_CLOEXEC on open().
- Rename the following things for consistency:
nvmm_exit* -> nvmm_vcpu_exit*
nvmm_event* -> nvmm_vcpu_event*
NVMM_EXIT_* -> NVMM_VCPU_EXIT_*
NVMM_EVENT_INTERRUPT_HW -> NVMM_VCPU_EVENT_INTR
NVMM_EVENT_EXCEPTION -> NVMM_VCPU_EVENT_EXCP
Delete NVMM_EVENT_INTERRUPT_SW, unused already.
- Slightly reorganize the MI/MD definitions, for internal clarity.
- Split NVMM_VCPU_EXIT_MSR in two: NVMM_VCPU_EXIT_{RD,WR}MSR. Also provide
separate u.rdmsr and u.wrmsr fields. This is more consistent with the
other exit reasons.
- Change the types of several variables:
event.type enum -> u_int
event.vector uint64_t -> uint8_t
exit.u.*msr.msr: uint64_t -> uint32_t
exit.u.io.type: enum -> bool
exit.u.io.seg: int -> int8_t
cap.arch.mxcsr_mask: uint64_t -> uint32_t
cap.arch.conf_cpuid_maxops: uint64_t -> uint32_t
- Delete NVMM_VCPU_EXIT_MWAIT_COND, it is AMD-only and confusing, and we
already intercept 'monitor' so it is never armed.
- Introduce vmx_exit_insn() for NVMM-Intel, similar to svm_exit_insn().
The 'npc' field wasn't getting filled properly during certain VMEXITs.
- Introduce nvmm_vcpu_configure(). Similar to nvmm_machine_configure(),
but as its name indicates, the configuration is per-VCPU and not per-VM.
Migrate and rename NVMM_MACH_CONF_X86_CPUID to NVMM_VCPU_CONF_CPUID.
This becomes per-VCPU, which makes more sense than per-VM.
- Extend the NVMM_VCPU_CONF_CPUID conf to allow triggering VMEXITs on
specific leaves. Until now we could only mask the leaves. An uint32_t
is added in the structure:
uint32_t mask:1;
uint32_t exit:1;
uint32_t rsvd:30;
The two first bits select the desired behavior on the leaf. Specifying
zero on both resets the leaf to the default behavior. The new
NVMM_VCPU_EXIT_CPUID exit reason is added.
Three changes in libnvmm:
- Add 'mach' and 'vcpu' backpointers in the nvmm_io and nvmm_mem
structures.
- Rename 'nvmm_callbacks' to 'nvmm_assist_callbacks'.
- Rename and migrate NVMM_MACH_CONF_CALLBACKS to NVMM_VCPU_CONF_CALLBACKS,
it now becomes per-VCPU.
Update the libnvmm man page:
- Sync the naming with reality.
- Replace "relevant" by "desired" and "virtualizer" by "emulator", closer
to what I meant.
- Add a "VCPU Configuration" section.
- Add a "Machine Ownership" section.
Add the "nvmm" group, and make nvmm_init() public. Sent to tech-kern@ a few
days ago.
Use the new PTE naming, and define CR3_FRAME_* separately. No functional
change.
Add a new VCPU conf option, that allows userland to request VMEXITs after a
TPR change. This is supported on all Intel CPUs, and not-too-old AMD CPUs.
The reason for wanting this option is that certain OSes (like Win10 64bit)
manage interrupt priority in hardware via CR8 directly, and for these OSes,
the emulator may want to sync its internal TPR state on each change.
Add two new fields in cap.arch, to report the conf capabilities. Report TPR
only on Intel for now, not AMD, because I don't have a recent AMD CPU on
which to test.
Mask CPUID leaf 0x0A on Intel, because we don't want the guest to try (and
fail) to probe the PMC MSRs. This avoids "Unexpected WRMSR" warnings in
qemu-nvmm.
Add PCID support in the guests. This speeds up most 64bit guests, because
since Meltdown, everybody uses PCID (including NetBSD).
Change the way root_owner works: consider the calling process as root_owner
not if it has root privileges, but if the /dev/nvmm device was opened with
write permissions. Introduce the undocumented nvmm_root_init() function to
achieve that.
The goal is to simplify the logic and have more granularity, eg if we want
a monitoring agent to access VMs but don't want to give this agent real
root access on the system.
A few changes:
- Use smaller types in struct nvmm_capability.
- Use smaller type for nvmm_io.port.
- Switch exitstate to a compacted structure.
Add nram in struct nvmm_ctl_mach_info.
Add nvmmctl, with two commands for now.
Macro tidyness.
Sort SEE ALSO.
should be fork(2), noticed by wiz
Add debug entry for newly introduced nvmmctl utility.
Annotate a covering switch as such to avoid warnings about missing
returns.
Forgot to put nvmmctl in the "nvmm" group.
Add nvmm group.

  /src/sys/sys/
syscallargs.h 1.282 Fri Jan 13 06:20:31 UTC 2017 christos branches: 1.282.6;
regen
Fri Jan 13 06:20:31 UTC 2017 christos branches: 1.282.6;
regen
1.282.6.1 Thu May 11 02:58:41 UTC 2017 pgoyette Sync with HEAD
  /src/
Makefile 1.282 Sat Jan 29 16:56:26 UTC 2011 jym branches: 1.282.2;
Pass down INSTALLSETS variable to installsets target. Use :Q to escape
shell meta-characters, as the variable contains a list of sets, separated
by spaces.

$ ./build.sh -V INSTALLSETS="base etc" install=idir

should now work as expected.

Reviewed by apb@ on tech-toolchain.
Sat Jan 29 16:56:26 UTC 2011 jym branches: 1.282.2;
Pass down INSTALLSETS variable to installsets target. Use :Q to escape
shell meta-characters, as the variable contains a list of sets, separated
by spaces.

$ ./build.sh -V INSTALLSETS="base etc" install=idir

should now work as expected.

Reviewed by apb@ on tech-toolchain.
1.262.2.5 Tue Mar 08 17:47:59 UTC 2011 riz Pull up following revision(s) (requested by jym in ticket #1565):
Makefile: revision 1.282 via patch
BUILDING: revision 1.92 via patch
Pass down INSTALLSETS variable to installsets target. Use :Q to escape
shell meta-characters, as the variable contains a list of sets, separated
by spaces.
$ ./build.sh -V INSTALLSETS="base etc" install=idir
should now work as expected.
Reviewed by apb@ on tech-toolchain.
1.282.2.1 Thu Jun 23 14:17:47 UTC 2011 cherry Catchup with rmind-uvmplock merge.

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