From 071106ecf68c401173c58808b1cf5f68cc50d390 Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Fri, 05 Jan 2024 08:39:27 +0000 Subject: [PATCH] change wifi driver to cypress --- kernel/tools/testing/selftests/kvm/include/kvm_util.h | 336 ++++++++++++++++++++++++++++++++++++++++--------------- 1 files changed, 245 insertions(+), 91 deletions(-) diff --git a/kernel/tools/testing/selftests/kvm/include/kvm_util.h b/kernel/tools/testing/selftests/kvm/include/kvm_util.h index 3acf9a9..7d29aa7 100644 --- a/kernel/tools/testing/selftests/kvm/include/kvm_util.h +++ b/kernel/tools/testing/selftests/kvm/include/kvm_util.h @@ -1,30 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * tools/testing/selftests/kvm/include/kvm_util.h * * Copyright (C) 2018, Google LLC. - * - * This work is licensed under the terms of the GNU GPL, version 2. - * */ #ifndef SELFTEST_KVM_UTIL_H -#define SELFTEST_KVM_UTIL_H 1 +#define SELFTEST_KVM_UTIL_H #include "test_util.h" #include "asm/kvm.h" +#include "linux/list.h" #include "linux/kvm.h" #include <sys/ioctl.h> #include "sparsebit.h" + /* - * Memslots can't cover the gfn starting at this gpa otherwise vCPUs can't be - * created. Only applies to VMs using EPT. - */ -#define KVM_DEFAULT_IDENTITY_MAP_ADDRESS 0xfffbc000ul - - -/* Callers of kvm_util only have an incomplete/opaque description of the + * Callers of kvm_util only have an incomplete/opaque description of the * structure kvm_util is using to maintain the state of a VM. */ struct kvm_vm; @@ -33,15 +27,33 @@ typedef uint64_t vm_vaddr_t; /* Virtual Machine (Guest) virtual address */ /* Minimum allocated guest virtual and physical addresses */ -#define KVM_UTIL_MIN_VADDR 0x2000 +#define KVM_UTIL_MIN_VADDR 0x2000 #define DEFAULT_GUEST_PHY_PAGES 512 #define DEFAULT_GUEST_STACK_VADDR_MIN 0xab6000 -#define DEFAULT_STACK_PGS 5 +#define DEFAULT_STACK_PGS 5 enum vm_guest_mode { - VM_MODE_FLAT48PG, + VM_MODE_P52V48_4K, + VM_MODE_P52V48_64K, + VM_MODE_P48V48_4K, + VM_MODE_P48V48_64K, + VM_MODE_P40V48_4K, + VM_MODE_P40V48_64K, + VM_MODE_PXXV48_4K, /* For 48bits VA but ANY bits PA */ + NUM_VM_MODES, }; + +#if defined(__aarch64__) +#define VM_MODE_DEFAULT VM_MODE_P40V48_4K +#elif defined(__x86_64__) +#define VM_MODE_DEFAULT VM_MODE_PXXV48_4K +#else +#define VM_MODE_DEFAULT VM_MODE_P52V48_4K +#endif + +#define vm_guest_mode_string(m) vm_guest_mode_string[m] +extern const char * const vm_guest_mode_string[]; enum vm_mem_backing_src_type { VM_MEM_SRC_ANONYMOUS, @@ -51,22 +63,44 @@ int kvm_check_cap(long cap); int vm_enable_cap(struct kvm_vm *vm, struct kvm_enable_cap *cap); +int vcpu_enable_cap(struct kvm_vm *vm, uint32_t vcpu_id, + struct kvm_enable_cap *cap); +void vm_enable_dirty_ring(struct kvm_vm *vm, uint32_t ring_size); struct kvm_vm *vm_create(enum vm_guest_mode mode, uint64_t phy_pages, int perm); void kvm_vm_free(struct kvm_vm *vmp); void kvm_vm_restart(struct kvm_vm *vmp, int perm); void kvm_vm_release(struct kvm_vm *vmp); void kvm_vm_get_dirty_log(struct kvm_vm *vm, int slot, void *log); +void kvm_vm_clear_dirty_log(struct kvm_vm *vm, int slot, void *log, + uint64_t first_page, uint32_t num_pages); -int kvm_memcmp_hva_gva(void *hva, - struct kvm_vm *vm, const vm_vaddr_t gva, size_t len); +int kvm_memcmp_hva_gva(void *hva, struct kvm_vm *vm, const vm_vaddr_t gva, + size_t len); void kvm_vm_elf_load(struct kvm_vm *vm, const char *filename, - uint32_t data_memslot, uint32_t pgd_memslot); + uint32_t data_memslot, uint32_t pgd_memslot); void vm_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent); -void vcpu_dump(FILE *stream, struct kvm_vm *vm, - uint32_t vcpuid, uint8_t indent); + +/* + * VM VCPU Dump + * + * Input Args: + * stream - Output FILE stream + * vm - Virtual Machine + * vcpuid - VCPU ID + * indent - Left margin indent amount + * + * Output Args: None + * + * Return: None + * + * Dumps the current state of the VCPU specified by @vcpuid, within the VM + * given by @vm, to the FILE stream given by @stream. + */ +void vcpu_dump(FILE *stream, struct kvm_vm *vm, uint32_t vcpuid, + uint8_t indent); void vm_create_irqchip(struct kvm_vm *vm); @@ -75,73 +109,174 @@ uint64_t guest_paddr, uint32_t slot, uint64_t npages, uint32_t flags); -void vcpu_ioctl(struct kvm_vm *vm, - uint32_t vcpuid, unsigned long ioctl, void *arg); +void vcpu_ioctl(struct kvm_vm *vm, uint32_t vcpuid, unsigned long ioctl, + void *arg); +int _vcpu_ioctl(struct kvm_vm *vm, uint32_t vcpuid, unsigned long ioctl, + void *arg); void vm_ioctl(struct kvm_vm *vm, unsigned long ioctl, void *arg); void vm_mem_region_set_flags(struct kvm_vm *vm, uint32_t slot, uint32_t flags); -void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid, int pgd_memslot, int gdt_memslot); +void vm_mem_region_move(struct kvm_vm *vm, uint32_t slot, uint64_t new_gpa); +void vm_mem_region_delete(struct kvm_vm *vm, uint32_t slot); +void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid); vm_vaddr_t vm_vaddr_alloc(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min, - uint32_t data_memslot, uint32_t pgd_memslot); + uint32_t data_memslot, uint32_t pgd_memslot); void virt_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr, - size_t size, uint32_t pgd_memslot); + unsigned int npages, uint32_t pgd_memslot); void *addr_gpa2hva(struct kvm_vm *vm, vm_paddr_t gpa); void *addr_gva2hva(struct kvm_vm *vm, vm_vaddr_t gva); vm_paddr_t addr_hva2gpa(struct kvm_vm *vm, void *hva); + +/* + * Address Guest Virtual to Guest Physical + * + * Input Args: + * vm - Virtual Machine + * gva - VM virtual address + * + * Output Args: None + * + * Return: + * Equivalent VM physical address + * + * Returns the VM physical address of the translated VM virtual + * address given by @gva. + */ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva); struct kvm_run *vcpu_state(struct kvm_vm *vm, uint32_t vcpuid); void vcpu_run(struct kvm_vm *vm, uint32_t vcpuid); int _vcpu_run(struct kvm_vm *vm, uint32_t vcpuid); +void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid); +void vcpu_set_guest_debug(struct kvm_vm *vm, uint32_t vcpuid, + struct kvm_guest_debug *debug); void vcpu_set_mp_state(struct kvm_vm *vm, uint32_t vcpuid, - struct kvm_mp_state *mp_state); -void vcpu_regs_get(struct kvm_vm *vm, - uint32_t vcpuid, struct kvm_regs *regs); -void vcpu_regs_set(struct kvm_vm *vm, - uint32_t vcpuid, struct kvm_regs *regs); + struct kvm_mp_state *mp_state); +struct kvm_reg_list *vcpu_get_reg_list(struct kvm_vm *vm, uint32_t vcpuid); +void vcpu_regs_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs); +void vcpu_regs_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs); + +/* + * VM VCPU Args Set + * + * Input Args: + * vm - Virtual Machine + * vcpuid - VCPU ID + * num - number of arguments + * ... - arguments, each of type uint64_t + * + * Output Args: None + * + * Return: None + * + * Sets the first @num function input registers of the VCPU with @vcpuid, + * per the C calling convention of the architecture, to the values given + * as variable args. Each of the variable args is expected to be of type + * uint64_t. The maximum @num can be is specific to the architecture. + */ void vcpu_args_set(struct kvm_vm *vm, uint32_t vcpuid, unsigned int num, ...); -void vcpu_sregs_get(struct kvm_vm *vm, - uint32_t vcpuid, struct kvm_sregs *sregs); -void vcpu_sregs_set(struct kvm_vm *vm, - uint32_t vcpuid, struct kvm_sregs *sregs); -int _vcpu_sregs_set(struct kvm_vm *vm, - uint32_t vcpuid, struct kvm_sregs *sregs); + +void vcpu_sregs_get(struct kvm_vm *vm, uint32_t vcpuid, + struct kvm_sregs *sregs); +void vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid, + struct kvm_sregs *sregs); +int _vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid, + struct kvm_sregs *sregs); +void vcpu_fpu_get(struct kvm_vm *vm, uint32_t vcpuid, + struct kvm_fpu *fpu); +void vcpu_fpu_set(struct kvm_vm *vm, uint32_t vcpuid, + struct kvm_fpu *fpu); +void vcpu_get_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg); +void vcpu_set_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg); +#ifdef __KVM_HAVE_VCPU_EVENTS void vcpu_events_get(struct kvm_vm *vm, uint32_t vcpuid, - struct kvm_vcpu_events *events); + struct kvm_vcpu_events *events); void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid, - struct kvm_vcpu_events *events); -uint64_t vcpu_get_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index); -void vcpu_set_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index, - uint64_t msr_value); + struct kvm_vcpu_events *events); +#endif +#ifdef __x86_64__ +void vcpu_nested_state_get(struct kvm_vm *vm, uint32_t vcpuid, + struct kvm_nested_state *state); +int vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid, + struct kvm_nested_state *state, bool ignore_error); +#endif const char *exit_reason_str(unsigned int exit_reason); void virt_pgd_alloc(struct kvm_vm *vm, uint32_t pgd_memslot); + +/* + * VM Virtual Page Map + * + * Input Args: + * vm - Virtual Machine + * vaddr - VM Virtual Address + * paddr - VM Physical Address + * memslot - Memory region slot for new virtual translation tables + * + * Output Args: None + * + * Return: None + * + * Within @vm, creates a virtual translation for the page starting + * at @vaddr to the page starting at @paddr. + */ void virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr, - uint32_t pgd_memslot); -vm_paddr_t vm_phy_page_alloc(struct kvm_vm *vm, - vm_paddr_t paddr_min, uint32_t memslot); + uint32_t memslot); -struct kvm_cpuid2 *kvm_get_supported_cpuid(void); -void vcpu_set_cpuid( - struct kvm_vm *vm, uint32_t vcpuid, struct kvm_cpuid2 *cpuid); +vm_paddr_t vm_phy_page_alloc(struct kvm_vm *vm, vm_paddr_t paddr_min, + uint32_t memslot); +vm_paddr_t vm_phy_pages_alloc(struct kvm_vm *vm, size_t num, + vm_paddr_t paddr_min, uint32_t memslot); -struct kvm_cpuid_entry2 * -kvm_get_supported_cpuid_index(uint32_t function, uint32_t index); - -static inline struct kvm_cpuid_entry2 * -kvm_get_supported_cpuid_entry(uint32_t function) -{ - return kvm_get_supported_cpuid_index(function, 0); -} - -struct kvm_vm *vm_create_default(uint32_t vcpuid, uint64_t extra_mem_size, +/* + * Create a VM with reasonable defaults + * + * Input Args: + * vcpuid - The id of the single VCPU to add to the VM. + * extra_mem_pages - The number of extra pages to add (this will + * decide how much extra space we will need to + * setup the page tables using memslot 0) + * guest_code - The vCPU's entry point + * + * Output Args: None + * + * Return: + * Pointer to opaque structure that describes the created VM. + */ +struct kvm_vm *vm_create_default(uint32_t vcpuid, uint64_t extra_mem_pages, void *guest_code); + +/* + * Adds a vCPU with reasonable defaults (e.g. a stack) + * + * Input Args: + * vm - Virtual Machine + * vcpuid - The id of the VCPU to add to the VM. + * guest_code - The vCPU's entry point + */ void vm_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid, void *guest_code); -typedef void (*vmx_guest_code_t)(vm_vaddr_t vmxon_vaddr, - vm_paddr_t vmxon_paddr, - vm_vaddr_t vmcs_vaddr, - vm_paddr_t vmcs_paddr); +bool vm_is_unrestricted_guest(struct kvm_vm *vm); + +unsigned int vm_get_page_size(struct kvm_vm *vm); +unsigned int vm_get_page_shift(struct kvm_vm *vm); +unsigned int vm_get_max_gfn(struct kvm_vm *vm); +int vm_get_fd(struct kvm_vm *vm); + +unsigned int vm_calc_num_guest_pages(enum vm_guest_mode mode, size_t size); +unsigned int vm_num_host_pages(enum vm_guest_mode mode, unsigned int num_guest_pages); +unsigned int vm_num_guest_pages(enum vm_guest_mode mode, unsigned int num_host_pages); +static inline unsigned int +vm_adjust_num_guest_pages(enum vm_guest_mode mode, unsigned int num_guest_pages) +{ + unsigned int n; + n = vm_num_guest_pages(mode, vm_num_host_pages(mode, num_guest_pages)); +#ifdef __s390x__ + /* s390 requires 1M aligned guest sizes */ + n = (n + 255) & ~255; +#endif + return n; +} struct kvm_userspace_memory_region * kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start, @@ -152,43 +287,62 @@ int vm_create_device(struct kvm_vm *vm, struct kvm_create_device *cd); -#define GUEST_PORT_SYNC 0x1000 -#define GUEST_PORT_ABORT 0x1001 -#define GUEST_PORT_DONE 0x1002 +#define sync_global_to_guest(vm, g) ({ \ + typeof(g) *_p = addr_gva2hva(vm, (vm_vaddr_t)&(g)); \ + memcpy(_p, &(g), sizeof(g)); \ +}) -static inline void __exit_to_l0(uint16_t port, uint64_t arg0, uint64_t arg1) -{ - __asm__ __volatile__("in %[port], %%al" - : - : [port]"d"(port), "D"(arg0), "S"(arg1) - : "rax"); -} +#define sync_global_from_guest(vm, g) ({ \ + typeof(g) *_p = addr_gva2hva(vm, (vm_vaddr_t)&(g)); \ + memcpy(&(g), _p, sizeof(g)); \ +}) -/* - * Allows to pass three arguments to the host: port is 16bit wide, - * arg0 & arg1 are 64bit wide - */ -#define GUEST_SYNC_ARGS(_port, _arg0, _arg1) \ - __exit_to_l0(_port, (uint64_t) (_arg0), (uint64_t) (_arg1)) +void assert_on_unhandled_exception(struct kvm_vm *vm, uint32_t vcpuid); -#define GUEST_ASSERT(_condition) do { \ - if (!(_condition)) \ - GUEST_SYNC_ARGS(GUEST_PORT_ABORT, \ - "Failed guest assert: " \ - #_condition, __LINE__); \ - } while (0) +/* Common ucalls */ +enum { + UCALL_NONE, + UCALL_SYNC, + UCALL_ABORT, + UCALL_DONE, +}; -#define GUEST_SYNC(stage) GUEST_SYNC_ARGS(GUEST_PORT_SYNC, "hello", stage) +#define UCALL_MAX_ARGS 6 -#define GUEST_DONE() GUEST_SYNC_ARGS(GUEST_PORT_DONE, 0, 0) +struct ucall { + uint64_t cmd; + uint64_t args[UCALL_MAX_ARGS]; +}; -struct guest_args { - uint64_t arg0; - uint64_t arg1; - uint16_t port; -} __attribute__ ((packed)); +void ucall_init(struct kvm_vm *vm, void *arg); +void ucall_uninit(struct kvm_vm *vm); +void ucall(uint64_t cmd, int nargs, ...); +uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc); -void guest_args_read(struct kvm_vm *vm, uint32_t vcpu_id, - struct guest_args *args); +#define GUEST_SYNC_ARGS(stage, arg1, arg2, arg3, arg4) \ + ucall(UCALL_SYNC, 6, "hello", stage, arg1, arg2, arg3, arg4) +#define GUEST_SYNC(stage) ucall(UCALL_SYNC, 2, "hello", stage) +#define GUEST_DONE() ucall(UCALL_DONE, 0) +#define __GUEST_ASSERT(_condition, _nargs, _args...) do { \ + if (!(_condition)) \ + ucall(UCALL_ABORT, 2 + _nargs, \ + "Failed guest assert: " \ + #_condition, __LINE__, _args); \ +} while (0) + +#define GUEST_ASSERT(_condition) \ + __GUEST_ASSERT((_condition), 0, 0) + +#define GUEST_ASSERT_1(_condition, arg1) \ + __GUEST_ASSERT((_condition), 1, (arg1)) + +#define GUEST_ASSERT_2(_condition, arg1, arg2) \ + __GUEST_ASSERT((_condition), 2, (arg1), (arg2)) + +#define GUEST_ASSERT_3(_condition, arg1, arg2, arg3) \ + __GUEST_ASSERT((_condition), 3, (arg1), (arg2), (arg3)) + +#define GUEST_ASSERT_4(_condition, arg1, arg2, arg3, arg4) \ + __GUEST_ASSERT((_condition), 4, (arg1), (arg2), (arg3), (arg4)) #endif /* SELFTEST_KVM_UTIL_H */ -- Gitblit v1.6.2