Browse Source
pci: Initial support for SPDM Responders
cxl: Add support for scan media, feature commands, device patrol scrub
control, DDR5 ECS control, firmware updates
virtio: in-order support
virtio-net: support for SR-IOV emulation (note: known issues on s390,
might get reverted if not fixed)
smbios: memory device size is now configurable per Machine
cpu: architecture agnostic code to support vCPU Hotplug
Fixes, cleanups all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pci,pc: features,fixes
pci: Initial support for SPDM Responders
cxl: Add support for scan media, feature commands, device patrol scrub
control, DDR5 ECS control, firmware updates
virtio: in-order support
virtio-net: support for SR-IOV emulation (note: known issues on s390,
might get reverted if not fixed)
smbios: memory device size is now configurable per Machine
cpu: architecture agnostic code to support vCPU Hotplug
Fixes, cleanups all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: Signature made Tue 23 Jul 2024 10:16:31 AM AEST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [undefined]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (61 commits)
hw/nvme: Add SPDM over DOE support
backends: Initial support for SPDM socket support
hw/pci: Add all Data Object Types defined in PCIe r6.0
tests/acpi: Add expected ACPI AML files for RISC-V
tests/qtest/bios-tables-test.c: Enable basic testing for RISC-V
tests/acpi: Add empty ACPI data files for RISC-V
tests/qtest/bios-tables-test.c: Remove the fall back path
tests/acpi: update expected DSDT blob for aarch64 and microvm
acpi/gpex: Create PCI link devices outside PCI root bridge
tests/acpi: Allow DSDT acpi table changes for aarch64
hw/riscv/virt-acpi-build.c: Update the HID of RISC-V UART
hw/riscv/virt-acpi-build.c: Add namespace devices for PLIC and APLIC
virtio-iommu: Add trace point on virtio_iommu_detach_endpoint_from_domain
hw/vfio/common: Add vfio_listener_region_del_iommu trace event
virtio-iommu: Remove the end point on detach
virtio-iommu: Free [host_]resv_ranges on unset_iommu_devices
virtio-iommu: Remove probe_done
Revert "virtio-iommu: Clear IOMMUDevice when VFIO device is unplugged"
gdbstub: Add helper function to unregister GDB register space
physmem: Add helper function to destroy CPU AddressSpace
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
pull/273/head
Richard Henderson
2 years ago
81 changed files with 2486 additions and 288 deletions
@ -0,0 +1,216 @@ |
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/* SPDX-License-Identifier: BSD-3-Clause */ |
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/*
|
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* QEMU SPDM socket support |
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* |
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* This is based on: |
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* https://github.com/DMTF/spdm-emu/blob/07c0a838bcc1c6207c656ac75885c0603e344b6f/spdm_emu/spdm_emu_common/command.c
|
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* but has been re-written to match QEMU style |
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* |
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* Copyright (c) 2021, DMTF. All rights reserved. |
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* Copyright (c) 2023. Western Digital Corporation or its affiliates. |
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*/ |
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|
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#include "qemu/osdep.h" |
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#include "sysemu/spdm-socket.h" |
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#include "qapi/error.h" |
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|
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static bool read_bytes(const int socket, uint8_t *buffer, |
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size_t number_of_bytes) |
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{ |
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ssize_t number_received = 0; |
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ssize_t result; |
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|
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while (number_received < number_of_bytes) { |
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result = recv(socket, buffer + number_received, |
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number_of_bytes - number_received, 0); |
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if (result <= 0) { |
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return false; |
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} |
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number_received += result; |
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} |
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return true; |
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} |
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|
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static bool read_data32(const int socket, uint32_t *data) |
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{ |
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bool result; |
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|
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result = read_bytes(socket, (uint8_t *)data, sizeof(uint32_t)); |
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if (!result) { |
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return result; |
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} |
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*data = ntohl(*data); |
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return true; |
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} |
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|
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static bool read_multiple_bytes(const int socket, uint8_t *buffer, |
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uint32_t *bytes_received, |
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uint32_t max_buffer_length) |
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{ |
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uint32_t length; |
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bool result; |
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|
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result = read_data32(socket, &length); |
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if (!result) { |
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return result; |
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} |
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|
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if (length > max_buffer_length) { |
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return false; |
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} |
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|
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if (bytes_received) { |
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*bytes_received = length; |
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} |
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|
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if (length == 0) { |
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return true; |
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} |
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|
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return read_bytes(socket, buffer, length); |
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} |
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|
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static bool receive_platform_data(const int socket, |
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uint32_t transport_type, |
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uint32_t *command, |
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uint8_t *receive_buffer, |
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uint32_t *bytes_to_receive) |
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{ |
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bool result; |
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uint32_t response; |
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uint32_t bytes_received; |
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|
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result = read_data32(socket, &response); |
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if (!result) { |
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return result; |
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} |
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*command = response; |
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|
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result = read_data32(socket, &transport_type); |
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if (!result) { |
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return result; |
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} |
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|
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bytes_received = 0; |
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result = read_multiple_bytes(socket, receive_buffer, &bytes_received, |
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*bytes_to_receive); |
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if (!result) { |
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return result; |
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} |
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*bytes_to_receive = bytes_received; |
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|
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return result; |
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} |
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|
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static bool write_bytes(const int socket, const uint8_t *buffer, |
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uint32_t number_of_bytes) |
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{ |
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ssize_t number_sent = 0; |
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ssize_t result; |
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|
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while (number_sent < number_of_bytes) { |
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result = send(socket, buffer + number_sent, |
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number_of_bytes - number_sent, 0); |
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if (result == -1) { |
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return false; |
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} |
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number_sent += result; |
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} |
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return true; |
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} |
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|
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static bool write_data32(const int socket, uint32_t data) |
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{ |
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data = htonl(data); |
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return write_bytes(socket, (uint8_t *)&data, sizeof(uint32_t)); |
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} |
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|
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static bool write_multiple_bytes(const int socket, const uint8_t *buffer, |
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uint32_t bytes_to_send) |
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{ |
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bool result; |
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|
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result = write_data32(socket, bytes_to_send); |
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if (!result) { |
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return result; |
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} |
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|
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return write_bytes(socket, buffer, bytes_to_send); |
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} |
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|
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static bool send_platform_data(const int socket, |
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uint32_t transport_type, uint32_t command, |
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const uint8_t *send_buffer, size_t bytes_to_send) |
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{ |
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bool result; |
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|
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result = write_data32(socket, command); |
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if (!result) { |
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return result; |
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} |
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|
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result = write_data32(socket, transport_type); |
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if (!result) { |
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return result; |
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} |
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|
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return write_multiple_bytes(socket, send_buffer, bytes_to_send); |
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} |
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|
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int spdm_socket_connect(uint16_t port, Error **errp) |
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{ |
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int client_socket; |
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struct sockaddr_in server_addr; |
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|
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client_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
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if (client_socket < 0) { |
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error_setg(errp, "cannot create socket: %s", strerror(errno)); |
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return -1; |
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} |
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|
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memset((char *)&server_addr, 0, sizeof(server_addr)); |
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server_addr.sin_family = AF_INET; |
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server_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); |
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server_addr.sin_port = htons(port); |
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|
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|
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if (connect(client_socket, (struct sockaddr *)&server_addr, |
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sizeof(server_addr)) < 0) { |
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error_setg(errp, "cannot connect: %s", strerror(errno)); |
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close(client_socket); |
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return -1; |
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} |
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|
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return client_socket; |
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} |
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|
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uint32_t spdm_socket_rsp(const int socket, uint32_t transport_type, |
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void *req, uint32_t req_len, |
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void *rsp, uint32_t rsp_len) |
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{ |
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uint32_t command; |
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bool result; |
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|
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result = send_platform_data(socket, transport_type, |
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SPDM_SOCKET_COMMAND_NORMAL, |
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req, req_len); |
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if (!result) { |
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return 0; |
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} |
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|
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result = receive_platform_data(socket, transport_type, &command, |
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(uint8_t *)rsp, &rsp_len); |
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if (!result) { |
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return 0; |
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} |
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|
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assert(command != 0); |
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|
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return rsp_len; |
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} |
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|
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void spdm_socket_close(const int socket, uint32_t transport_type) |
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{ |
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send_platform_data(socket, transport_type, |
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SPDM_SOCKET_COMMAND_SHUTDOWN, NULL, 0); |
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} |
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@ -0,0 +1,134 @@ |
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====================================================== |
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QEMU Security Protocols and Data Models (SPDM) Support |
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====================================================== |
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|
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SPDM enables authentication, attestation and key exchange to assist in |
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providing infrastructure security enablement. It's a standard published |
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by the `DMTF`_. |
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|
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QEMU supports connecting to a SPDM responder implementation. This allows an |
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external application to emulate the SPDM responder logic for an SPDM device. |
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|
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Setting up a SPDM server |
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======================== |
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|
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When using QEMU with SPDM devices QEMU will connect to a server which |
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implements the SPDM functionality. |
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|
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SPDM-Utils |
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---------- |
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|
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You can use `SPDM Utils`_ to emulate a responder. This is the simplest method. |
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|
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SPDM-Utils is a Linux applications to manage, test and develop devices |
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supporting DMTF Security Protocol and Data Model (SPDM). It is written in Rust |
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and utilises libspdm. |
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|
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To use SPDM-Utils you will need to do the following steps. Details are included |
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in the SPDM-Utils README. |
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|
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1. `Build libspdm`_ |
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2. `Build SPDM Utils`_ |
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3. `Run it as a server`_ |
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|
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spdm-emu |
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-------- |
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|
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You can use `spdm emu`_ to model the |
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SPDM responder. |
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|
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.. code-block:: shell |
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|
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$ cd spdm-emu |
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$ git submodule init; git submodule update --recursive |
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$ mkdir build; cd build |
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$ cmake -DARCH=x64 -DTOOLCHAIN=GCC -DTARGET=Debug -DCRYPTO=openssl .. |
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$ make -j32 |
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$ make copy_sample_key # Build certificates, required for SPDM authentication. |
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|
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It is worth noting that the certificates should be in compliance with |
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PCIe r6.1 sec 6.31.3. This means you will need to add the following to |
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openssl.cnf |
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|
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.. code-block:: |
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|
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subjectAltName = otherName:2.23.147;UTF8:Vendor=1b36:Device=0010:CC=010802:REV=02:SSVID=1af4:SSID=1100 |
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2.23.147 = ASN1:OID:2.23.147 |
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|
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and then manually regenerate some certificates with: |
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|
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.. code-block:: shell |
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|
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$ openssl req -nodes -newkey ec:param.pem -keyout end_responder.key \ |
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-out end_responder.req -sha384 -batch \ |
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-subj "/CN=DMTF libspdm ECP384 responder cert" |
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|
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$ openssl x509 -req -in end_responder.req -out end_responder.cert \ |
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-CA inter.cert -CAkey inter.key -sha384 -days 3650 -set_serial 3 \ |
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-extensions v3_end -extfile ../openssl.cnf |
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|
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$ openssl asn1parse -in end_responder.cert -out end_responder.cert.der |
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|
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$ cat ca.cert.der inter.cert.der end_responder.cert.der > bundle_responder.certchain.der |
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|
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You can use SPDM-Utils instead as it will generate the correct certificates |
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automatically. |
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|
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The responder can then be launched with |
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|
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.. code-block:: shell |
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|
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$ cd bin |
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$ ./spdm_responder_emu --trans PCI_DOE |
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|
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Connecting an SPDM NVMe device |
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============================== |
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|
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Once a SPDM server is running we can start QEMU and connect to the server. |
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|
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For an NVMe device first let's setup a block we can use |
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|
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.. code-block:: shell |
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|
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$ cd qemu-spdm/linux/image |
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$ dd if=/dev/zero of=blknvme bs=1M count=2096 # 2GB NNMe Drive |
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|
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Then you can add this to your QEMU command line: |
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|
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.. code-block:: shell |
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|
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-drive file=blknvme,if=none,id=mynvme,format=raw \ |
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-device nvme,drive=mynvme,serial=deadbeef,spdm_port=2323 |
|||
|
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At which point QEMU will try to connect to the SPDM server. |
|||
|
|||
Note that if using x64-64 you will want to use the q35 machine instead |
|||
of the default. So the entire QEMU command might look like this |
|||
|
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.. code-block:: shell |
|||
|
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qemu-system-x86_64 -M q35 \ |
|||
--kernel bzImage \ |
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-drive file=rootfs.ext2,if=virtio,format=raw \ |
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-append "root=/dev/vda console=ttyS0" \ |
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-net none -nographic \ |
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-drive file=blknvme,if=none,id=mynvme,format=raw \ |
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-device nvme,drive=mynvme,serial=deadbeef,spdm_port=2323 |
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|
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.. _DMTF: |
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https://www.dmtf.org/standards/SPDM |
|||
|
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.. _SPDM Utils: |
|||
https://github.com/westerndigitalcorporation/spdm-utils |
|||
|
|||
.. _spdm emu: |
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https://github.com/dmtf/spdm-emu |
|||
|
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.. _Build libspdm: |
|||
https://github.com/westerndigitalcorporation/spdm-utils?tab=readme-ov-file#build-libspdm |
|||
|
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.. _Build SPDM Utils: |
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https://github.com/westerndigitalcorporation/spdm-utils?tab=readme-ov-file#build-the-binary |
|||
|
|||
.. _Run it as a server: |
|||
https://github.com/westerndigitalcorporation/spdm-utils#qemu-spdm-device-emulation |
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@ -0,0 +1,36 @@ |
|||
.. SPDX-License-Identifier: GPL-2.0-or-later |
|||
|
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Compsable SR-IOV device |
|||
======================= |
|||
|
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SR-IOV (Single Root I/O Virtualization) is an optional extended capability of a |
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PCI Express device. It allows a single physical function (PF) to appear as |
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multiple virtual functions (VFs) for the main purpose of eliminating software |
|||
overhead in I/O from virtual machines. |
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|
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There are devices with predefined SR-IOV configurations, but it is also possible |
|||
to compose an SR-IOV device yourself. Composing an SR-IOV device is currently |
|||
only supported by virtio-net-pci. |
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|
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Users can configure an SR-IOV-capable virtio-net device by adding |
|||
virtio-net-pci functions to a bus. Below is a command line example: |
|||
|
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.. code-block:: shell |
|||
|
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-netdev user,id=n -netdev user,id=o |
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-netdev user,id=p -netdev user,id=q |
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-device pcie-root-port,id=b |
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-device virtio-net-pci,bus=b,addr=0x0.0x3,netdev=q,sriov-pf=f |
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-device virtio-net-pci,bus=b,addr=0x0.0x2,netdev=p,sriov-pf=f |
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-device virtio-net-pci,bus=b,addr=0x0.0x1,netdev=o,sriov-pf=f |
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-device virtio-net-pci,bus=b,addr=0x0.0x0,netdev=n,id=f |
|||
|
|||
The VFs specify the paired PF with ``sriov-pf`` property. The PF must be |
|||
added after all VFs. It is the user's responsibility to ensure that VFs have |
|||
function numbers larger than one of the PF, and that the function numbers |
|||
have a consistent stride. |
|||
|
|||
You may also need to perform additional steps to activate the SR-IOV feature on |
|||
your guest. For Linux, refer to [1]_. |
|||
|
|||
.. [1] https://docs.kernel.org/PCI/pci-iov-howto.html |
|||
File diff suppressed because it is too large
@ -0,0 +1,18 @@ |
|||
/*
|
|||
* QEMU CXL Mailbox |
|||
* |
|||
* This work is licensed under the terms of the GNU GPL, version 2. See the |
|||
* COPYING file in the top-level directory. |
|||
*/ |
|||
|
|||
#ifndef CXL_MAILBOX_H |
|||
#define CXL_MAILBOX_H |
|||
|
|||
#define CXL_MBOX_IMMEDIATE_CONFIG_CHANGE (1 << 1) |
|||
#define CXL_MBOX_IMMEDIATE_DATA_CHANGE (1 << 2) |
|||
#define CXL_MBOX_IMMEDIATE_POLICY_CHANGE (1 << 3) |
|||
#define CXL_MBOX_IMMEDIATE_LOG_CHANGE (1 << 4) |
|||
#define CXL_MBOX_SECURITY_STATE_CHANGE (1 << 5) |
|||
#define CXL_MBOX_BACKGROUND_OPERATION (1 << 6) |
|||
|
|||
#endif |
|||
@ -0,0 +1,74 @@ |
|||
/*
|
|||
* QEMU SPDM socket support |
|||
* |
|||
* Permission is hereby granted, free of charge, to any person obtaining a copy |
|||
* of this software and associated documentation files (the "Software"), to deal |
|||
* in the Software without restriction, including without limitation the rights |
|||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
|||
* copies of the Software, and to permit persons to whom the Software is |
|||
* furnished to do so, subject to the following conditions: |
|||
* |
|||
* The above copyright notice and this permission notice shall be included in |
|||
* all copies or substantial portions of the Software. |
|||
* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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|
|||
#ifndef SPDM_REQUESTER_H |
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#define SPDM_REQUESTER_H |
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|
|||
/**
|
|||
* spdm_socket_connect: connect to an external SPDM socket |
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* @port: port to connect to |
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* @errp: error object handle |
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* |
|||
* This will connect to an external SPDM socket server. On error |
|||
* it will return -1 and errp will be set. On success this function |
|||
* will return the socket number. |
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*/ |
|||
int spdm_socket_connect(uint16_t port, Error **errp); |
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|
|||
/**
|
|||
* spdm_socket_rsp: send and receive a message to a SPDM server |
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* @socket: socket returned from spdm_socket_connect() |
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* @transport_type: SPDM_SOCKET_TRANSPORT_TYPE_* macro |
|||
* @req: request buffer |
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* @req_len: request buffer length |
|||
* @rsp: response buffer |
|||
* @rsp_len: response buffer length |
|||
* |
|||
* Send platform data to a SPDM server on socket and then receive |
|||
* a response. |
|||
*/ |
|||
uint32_t spdm_socket_rsp(const int socket, uint32_t transport_type, |
|||
void *req, uint32_t req_len, |
|||
void *rsp, uint32_t rsp_len); |
|||
|
|||
/**
|
|||
* spdm_socket_close: send a shutdown command to the server |
|||
* @socket: socket returned from spdm_socket_connect() |
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* @transport_type: SPDM_SOCKET_TRANSPORT_TYPE_* macro |
|||
* |
|||
* This will issue a shutdown command to the server. |
|||
*/ |
|||
void spdm_socket_close(const int socket, uint32_t transport_type); |
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|
|||
#define SPDM_SOCKET_COMMAND_NORMAL 0x0001 |
|||
#define SPDM_SOCKET_COMMAND_OOB_ENCAP_KEY_UPDATE 0x8001 |
|||
#define SPDM_SOCKET_COMMAND_CONTINUE 0xFFFD |
|||
#define SPDM_SOCKET_COMMAND_SHUTDOWN 0xFFFE |
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#define SPDM_SOCKET_COMMAND_UNKOWN 0xFFFF |
|||
#define SPDM_SOCKET_COMMAND_TEST 0xDEAD |
|||
|
|||
#define SPDM_SOCKET_TRANSPORT_TYPE_MCTP 0x01 |
|||
#define SPDM_SOCKET_TRANSPORT_TYPE_PCI_DOE 0x02 |
|||
|
|||
#define SPDM_SOCKET_MAX_MESSAGE_BUFFER_SIZE 0x1200 |
|||
|
|||
#endif |
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