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authorLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
committerLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
commit5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch)
treecc5c2d0a898769fd59549594fedb3ee6f84e59a0 /arch/x86/kvm/vmx/vmcs12.c
downloadlinux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz
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Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted
Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ...
Diffstat (limited to '')
-rw-r--r--arch/x86/kvm/vmx/vmcs12.c154
1 files changed, 154 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx/vmcs12.c b/arch/x86/kvm/vmx/vmcs12.c
new file mode 100644
index 000000000..2251b6092
--- /dev/null
+++ b/arch/x86/kvm/vmx/vmcs12.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmcs12.h"
+
+#define VMCS12_OFFSET(x) offsetof(struct vmcs12, x)
+#define FIELD(number, name) [ROL16(number, 6)] = VMCS12_OFFSET(name)
+#define FIELD64(number, name) \
+ FIELD(number, name), \
+ [ROL16(number##_HIGH, 6)] = VMCS12_OFFSET(name) + sizeof(u32)
+
+const unsigned short vmcs12_field_offsets[] = {
+ FIELD(VIRTUAL_PROCESSOR_ID, virtual_processor_id),
+ FIELD(POSTED_INTR_NV, posted_intr_nv),
+ FIELD(GUEST_ES_SELECTOR, guest_es_selector),
+ FIELD(GUEST_CS_SELECTOR, guest_cs_selector),
+ FIELD(GUEST_SS_SELECTOR, guest_ss_selector),
+ FIELD(GUEST_DS_SELECTOR, guest_ds_selector),
+ FIELD(GUEST_FS_SELECTOR, guest_fs_selector),
+ FIELD(GUEST_GS_SELECTOR, guest_gs_selector),
+ FIELD(GUEST_LDTR_SELECTOR, guest_ldtr_selector),
+ FIELD(GUEST_TR_SELECTOR, guest_tr_selector),
+ FIELD(GUEST_INTR_STATUS, guest_intr_status),
+ FIELD(GUEST_PML_INDEX, guest_pml_index),
+ FIELD(HOST_ES_SELECTOR, host_es_selector),
+ FIELD(HOST_CS_SELECTOR, host_cs_selector),
+ FIELD(HOST_SS_SELECTOR, host_ss_selector),
+ FIELD(HOST_DS_SELECTOR, host_ds_selector),
+ FIELD(HOST_FS_SELECTOR, host_fs_selector),
+ FIELD(HOST_GS_SELECTOR, host_gs_selector),
+ FIELD(HOST_TR_SELECTOR, host_tr_selector),
+ FIELD64(IO_BITMAP_A, io_bitmap_a),
+ FIELD64(IO_BITMAP_B, io_bitmap_b),
+ FIELD64(MSR_BITMAP, msr_bitmap),
+ FIELD64(VM_EXIT_MSR_STORE_ADDR, vm_exit_msr_store_addr),
+ FIELD64(VM_EXIT_MSR_LOAD_ADDR, vm_exit_msr_load_addr),
+ FIELD64(VM_ENTRY_MSR_LOAD_ADDR, vm_entry_msr_load_addr),
+ FIELD64(PML_ADDRESS, pml_address),
+ FIELD64(TSC_OFFSET, tsc_offset),
+ FIELD64(TSC_MULTIPLIER, tsc_multiplier),
+ FIELD64(VIRTUAL_APIC_PAGE_ADDR, virtual_apic_page_addr),
+ FIELD64(APIC_ACCESS_ADDR, apic_access_addr),
+ FIELD64(POSTED_INTR_DESC_ADDR, posted_intr_desc_addr),
+ FIELD64(VM_FUNCTION_CONTROL, vm_function_control),
+ FIELD64(EPT_POINTER, ept_pointer),
+ FIELD64(EOI_EXIT_BITMAP0, eoi_exit_bitmap0),
+ FIELD64(EOI_EXIT_BITMAP1, eoi_exit_bitmap1),
+ FIELD64(EOI_EXIT_BITMAP2, eoi_exit_bitmap2),
+ FIELD64(EOI_EXIT_BITMAP3, eoi_exit_bitmap3),
+ FIELD64(EPTP_LIST_ADDRESS, eptp_list_address),
+ FIELD64(VMREAD_BITMAP, vmread_bitmap),
+ FIELD64(VMWRITE_BITMAP, vmwrite_bitmap),
+ FIELD64(XSS_EXIT_BITMAP, xss_exit_bitmap),
+ FIELD64(ENCLS_EXITING_BITMAP, encls_exiting_bitmap),
+ FIELD64(GUEST_PHYSICAL_ADDRESS, guest_physical_address),
+ FIELD64(VMCS_LINK_POINTER, vmcs_link_pointer),
+ FIELD64(GUEST_IA32_DEBUGCTL, guest_ia32_debugctl),
+ FIELD64(GUEST_IA32_PAT, guest_ia32_pat),
+ FIELD64(GUEST_IA32_EFER, guest_ia32_efer),
+ FIELD64(GUEST_IA32_PERF_GLOBAL_CTRL, guest_ia32_perf_global_ctrl),
+ FIELD64(GUEST_PDPTR0, guest_pdptr0),
+ FIELD64(GUEST_PDPTR1, guest_pdptr1),
+ FIELD64(GUEST_PDPTR2, guest_pdptr2),
+ FIELD64(GUEST_PDPTR3, guest_pdptr3),
+ FIELD64(GUEST_BNDCFGS, guest_bndcfgs),
+ FIELD64(HOST_IA32_PAT, host_ia32_pat),
+ FIELD64(HOST_IA32_EFER, host_ia32_efer),
+ FIELD64(HOST_IA32_PERF_GLOBAL_CTRL, host_ia32_perf_global_ctrl),
+ FIELD(PIN_BASED_VM_EXEC_CONTROL, pin_based_vm_exec_control),
+ FIELD(CPU_BASED_VM_EXEC_CONTROL, cpu_based_vm_exec_control),
+ FIELD(EXCEPTION_BITMAP, exception_bitmap),
+ FIELD(PAGE_FAULT_ERROR_CODE_MASK, page_fault_error_code_mask),
+ FIELD(PAGE_FAULT_ERROR_CODE_MATCH, page_fault_error_code_match),
+ FIELD(CR3_TARGET_COUNT, cr3_target_count),
+ FIELD(VM_EXIT_CONTROLS, vm_exit_controls),
+ FIELD(VM_EXIT_MSR_STORE_COUNT, vm_exit_msr_store_count),
+ FIELD(VM_EXIT_MSR_LOAD_COUNT, vm_exit_msr_load_count),
+ FIELD(VM_ENTRY_CONTROLS, vm_entry_controls),
+ FIELD(VM_ENTRY_MSR_LOAD_COUNT, vm_entry_msr_load_count),
+ FIELD(VM_ENTRY_INTR_INFO_FIELD, vm_entry_intr_info_field),
+ FIELD(VM_ENTRY_EXCEPTION_ERROR_CODE, vm_entry_exception_error_code),
+ FIELD(VM_ENTRY_INSTRUCTION_LEN, vm_entry_instruction_len),
+ FIELD(TPR_THRESHOLD, tpr_threshold),
+ FIELD(SECONDARY_VM_EXEC_CONTROL, secondary_vm_exec_control),
+ FIELD(VM_INSTRUCTION_ERROR, vm_instruction_error),
+ FIELD(VM_EXIT_REASON, vm_exit_reason),
+ FIELD(VM_EXIT_INTR_INFO, vm_exit_intr_info),
+ FIELD(VM_EXIT_INTR_ERROR_CODE, vm_exit_intr_error_code),
+ FIELD(IDT_VECTORING_INFO_FIELD, idt_vectoring_info_field),
+ FIELD(IDT_VECTORING_ERROR_CODE, idt_vectoring_error_code),
+ FIELD(VM_EXIT_INSTRUCTION_LEN, vm_exit_instruction_len),
+ FIELD(VMX_INSTRUCTION_INFO, vmx_instruction_info),
+ FIELD(GUEST_ES_LIMIT, guest_es_limit),
+ FIELD(GUEST_CS_LIMIT, guest_cs_limit),
+ FIELD(GUEST_SS_LIMIT, guest_ss_limit),
+ FIELD(GUEST_DS_LIMIT, guest_ds_limit),
+ FIELD(GUEST_FS_LIMIT, guest_fs_limit),
+ FIELD(GUEST_GS_LIMIT, guest_gs_limit),
+ FIELD(GUEST_LDTR_LIMIT, guest_ldtr_limit),
+ FIELD(GUEST_TR_LIMIT, guest_tr_limit),
+ FIELD(GUEST_GDTR_LIMIT, guest_gdtr_limit),
+ FIELD(GUEST_IDTR_LIMIT, guest_idtr_limit),
+ FIELD(GUEST_ES_AR_BYTES, guest_es_ar_bytes),
+ FIELD(GUEST_CS_AR_BYTES, guest_cs_ar_bytes),
+ FIELD(GUEST_SS_AR_BYTES, guest_ss_ar_bytes),
+ FIELD(GUEST_DS_AR_BYTES, guest_ds_ar_bytes),
+ FIELD(GUEST_FS_AR_BYTES, guest_fs_ar_bytes),
+ FIELD(GUEST_GS_AR_BYTES, guest_gs_ar_bytes),
+ FIELD(GUEST_LDTR_AR_BYTES, guest_ldtr_ar_bytes),
+ FIELD(GUEST_TR_AR_BYTES, guest_tr_ar_bytes),
+ FIELD(GUEST_INTERRUPTIBILITY_INFO, guest_interruptibility_info),
+ FIELD(GUEST_ACTIVITY_STATE, guest_activity_state),
+ FIELD(GUEST_SYSENTER_CS, guest_sysenter_cs),
+ FIELD(HOST_IA32_SYSENTER_CS, host_ia32_sysenter_cs),
+ FIELD(VMX_PREEMPTION_TIMER_VALUE, vmx_preemption_timer_value),
+ FIELD(CR0_GUEST_HOST_MASK, cr0_guest_host_mask),
+ FIELD(CR4_GUEST_HOST_MASK, cr4_guest_host_mask),
+ FIELD(CR0_READ_SHADOW, cr0_read_shadow),
+ FIELD(CR4_READ_SHADOW, cr4_read_shadow),
+ FIELD(EXIT_QUALIFICATION, exit_qualification),
+ FIELD(GUEST_LINEAR_ADDRESS, guest_linear_address),
+ FIELD(GUEST_CR0, guest_cr0),
+ FIELD(GUEST_CR3, guest_cr3),
+ FIELD(GUEST_CR4, guest_cr4),
+ FIELD(GUEST_ES_BASE, guest_es_base),
+ FIELD(GUEST_CS_BASE, guest_cs_base),
+ FIELD(GUEST_SS_BASE, guest_ss_base),
+ FIELD(GUEST_DS_BASE, guest_ds_base),
+ FIELD(GUEST_FS_BASE, guest_fs_base),
+ FIELD(GUEST_GS_BASE, guest_gs_base),
+ FIELD(GUEST_LDTR_BASE, guest_ldtr_base),
+ FIELD(GUEST_TR_BASE, guest_tr_base),
+ FIELD(GUEST_GDTR_BASE, guest_gdtr_base),
+ FIELD(GUEST_IDTR_BASE, guest_idtr_base),
+ FIELD(GUEST_DR7, guest_dr7),
+ FIELD(GUEST_RSP, guest_rsp),
+ FIELD(GUEST_RIP, guest_rip),
+ FIELD(GUEST_RFLAGS, guest_rflags),
+ FIELD(GUEST_PENDING_DBG_EXCEPTIONS, guest_pending_dbg_exceptions),
+ FIELD(GUEST_SYSENTER_ESP, guest_sysenter_esp),
+ FIELD(GUEST_SYSENTER_EIP, guest_sysenter_eip),
+ FIELD(HOST_CR0, host_cr0),
+ FIELD(HOST_CR3, host_cr3),
+ FIELD(HOST_CR4, host_cr4),
+ FIELD(HOST_FS_BASE, host_fs_base),
+ FIELD(HOST_GS_BASE, host_gs_base),
+ FIELD(HOST_TR_BASE, host_tr_base),
+ FIELD(HOST_GDTR_BASE, host_gdtr_base),
+ FIELD(HOST_IDTR_BASE, host_idtr_base),
+ FIELD(HOST_IA32_SYSENTER_ESP, host_ia32_sysenter_esp),
+ FIELD(HOST_IA32_SYSENTER_EIP, host_ia32_sysenter_eip),
+ FIELD(HOST_RSP, host_rsp),
+ FIELD(HOST_RIP, host_rip),
+};
+const unsigned int nr_vmcs12_fields = ARRAY_SIZE(vmcs12_field_offsets);