X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_msr.c;h=68d476746b60ab670c23357c61a012bb52bea43a;hb=786d89d4e5c6bb25c3dd07ec3bb375c5964f2af2;hp=3b13f6b892ddfd33f3c60aeb14e77bc729ae6f30;hpb=4a9377be280dd8f2c298fd845d63728650a1060f;p=palacios.git diff --git a/palacios/src/palacios/vmm_msr.c b/palacios/src/palacios/vmm_msr.c index 3b13f6b..68d4767 100644 --- a/palacios/src/palacios/vmm_msr.c +++ b/palacios/src/palacios/vmm_msr.c @@ -22,6 +22,7 @@ #include #include +static int free_hook(struct v3_vm_info * vm, struct v3_msr_hook * hook); void v3_init_msr_map(struct v3_vm_info * vm) { struct v3_msr_map * msr_map = &(vm->msr_map); @@ -35,8 +36,19 @@ void v3_init_msr_map(struct v3_vm_info * vm) { msr_map->update_map = NULL; } +int v3_deinit_msr_map(struct v3_vm_info * vm) { + struct v3_msr_hook * hook = NULL; + struct v3_msr_hook * tmp = NULL; + + list_for_each_entry_safe(hook, tmp, &(vm->msr_map.hook_list), link) { + free_hook(vm, hook); + } + + return 0; +} + int v3_handle_msr_write(struct guest_info * info) { - uint_t msr_num = info->vm_regs.rcx; + uint32_t msr_num = info->vm_regs.rcx; struct v3_msr msr_val; struct v3_msr_hook * hook = NULL; @@ -65,14 +77,14 @@ int v3_handle_msr_write(struct guest_info * info) { int v3_handle_msr_read(struct guest_info * info) { - uint_t msr_num = info->vm_regs.rcx; + uint32_t msr_num = info->vm_regs.rcx; struct v3_msr msr_val; struct v3_msr_hook * hook = NULL; hook = v3_get_msr_hook(info->vm_info, msr_num); if (!hook) { - PrintError("Hook for MSR read %d not found\n", msr_num); + PrintError("Hook for MSR read 0x%x not found\n", msr_num); return -1; } @@ -90,9 +102,9 @@ int v3_handle_msr_read(struct guest_info * info) { return 0; } -int v3_hook_msr(struct v3_vm_info * vm, uint_t msr, - int (*read)(struct guest_info * core, uint_t msr, struct v3_msr * dst, void * priv_data), - int (*write)(struct guest_info * core, uint_t msr, struct v3_msr src, void * priv_data), +int v3_hook_msr(struct v3_vm_info * vm, uint32_t msr, + int (*read)(struct guest_info * core, uint32_t msr, struct v3_msr * dst, void * priv_data), + int (*write)(struct guest_info * core, uint32_t msr, struct v3_msr src, void * priv_data), void * priv_data) { struct v3_msr_map * msr_map = &(vm->msr_map); @@ -101,7 +113,7 @@ int v3_hook_msr(struct v3_vm_info * vm, uint_t msr, hook = (struct v3_msr_hook *)V3_Malloc(sizeof(struct v3_msr_hook)); if (hook == NULL) { - PrintError("Could not allocate msr hook for MSR %d\n", msr); + PrintError("Could not allocate msr hook for MSR 0x%x\n", msr); return -1; } @@ -123,8 +135,20 @@ int v3_hook_msr(struct v3_vm_info * vm, uint_t msr, return 0; } +static int free_hook(struct v3_vm_info * vm, struct v3_msr_hook * hook) { + list_del(&(hook->link)); + + if (vm->msr_map.update_map) { + vm->msr_map.update_map(vm, hook->msr, 0, 0); + } -int v3_unhook_msr(struct v3_vm_info * vm, uint_t msr) { + V3_Free(hook); + + return 0; +} + + +int v3_unhook_msr(struct v3_vm_info * vm, uint32_t msr) { struct v3_msr_hook * hook = v3_get_msr_hook(vm, msr); if (hook == NULL) { @@ -132,20 +156,14 @@ int v3_unhook_msr(struct v3_vm_info * vm, uint_t msr) { return -1; } - list_del(&(hook->link)); - - if (vm->msr_map.update_map) { - vm->msr_map.update_map(vm, msr, 0, 0); - } - - V3_Free(hook); + free_hook(vm, hook); return 0; } -struct v3_msr_hook * v3_get_msr_hook(struct v3_vm_info * vm, uint_t msr) { +struct v3_msr_hook * v3_get_msr_hook(struct v3_vm_info * vm, uint32_t msr) { struct v3_msr_map * msr_map = &(vm->msr_map); struct v3_msr_hook * hook = NULL; @@ -169,7 +187,7 @@ void v3_refresh_msr_map(struct v3_vm_info * vm) { } list_for_each_entry(hook, &(msr_map->hook_list), link) { - PrintDebug("updating MSR map for msr %d\n", hook->msr); + PrintDebug("updating MSR map for msr 0x%x\n", hook->msr); msr_map->update_map(vm, hook->msr, (hook->read == NULL) ? 0 : 1, (hook->write == NULL) ? 0 : 1);