X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_intr.c;h=9010a4c9b7097a89e17d68eed2a76d622c451164;hb=5f957c3aeebed4a07a0862cb5fbf595aa4436e81;hp=0c0a6775e2c4a48c966429782479a31123708756;hpb=603e4c1a451138080ded3d4e3cd3b8716741db89;p=palacios.releases.git diff --git a/palacios/src/palacios/vmm_intr.c b/palacios/src/palacios/vmm_intr.c index 0c0a677..9010a4c 100644 --- a/palacios/src/palacios/vmm_intr.c +++ b/palacios/src/palacios/vmm_intr.c @@ -26,13 +26,14 @@ #include -#ifndef CONFIG_DEBUG_INTERRUPTS +#ifndef V3_CONFIG_DEBUG_INTERRUPTS #undef PrintDebug #define PrintDebug(fmt, args...) #endif + struct intr_controller { struct intr_ctrl_ops * ctrl_ops; @@ -49,8 +50,6 @@ struct intr_router { }; - - void v3_init_intr_controllers(struct guest_info * info) { struct v3_intr_core_state * intr_state = &(info->intr_core_state); @@ -96,7 +95,6 @@ void v3_deinit_intr_routers(struct v3_vm_info * vm) { } } - void * v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * priv_data) { struct intr_controller * ctrlr = (struct intr_controller *)V3_Malloc(sizeof(struct intr_controller)); @@ -108,7 +106,6 @@ void * v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_op return (void *)ctrlr; } - void v3_remove_intr_controller(struct guest_info * core, void * handle) { struct v3_intr_core_state * intr_state = &(core->intr_core_state); struct intr_controller * ctrlr = handle; @@ -131,7 +128,6 @@ void v3_remove_intr_controller(struct guest_info * core, void * handle) { V3_Free(ctrlr); } - void * v3_register_intr_router(struct v3_vm_info * vm, struct intr_router_ops * ops, void * priv_data) { struct intr_router * router = (struct intr_router *)V3_Malloc(sizeof(struct intr_router)); @@ -143,7 +139,6 @@ void * v3_register_intr_router(struct v3_vm_info * vm, struct intr_router_ops * return (void *)router; } - void v3_remove_intr_router(struct v3_vm_info * vm, void * handle) { struct intr_router * router = handle; struct intr_router * tmp = NULL; @@ -166,6 +161,7 @@ void v3_remove_intr_router(struct v3_vm_info * vm, void * handle) { } + static inline struct v3_irq_hook * get_irq_hook(struct v3_vm_info * vm, uint_t irq) { V3_ASSERT(irq <= 256); return vm->intr_routers.hooks[irq]; @@ -203,6 +199,7 @@ int v3_hook_irq(struct v3_vm_info * vm, } + static int passthrough_irq_handler(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data) { PrintDebug("[passthrough_irq_handler] raise_irq=%d (guest=0x%p)\n", intr->irq, (void *)vm); @@ -210,7 +207,6 @@ static int passthrough_irq_handler(struct v3_vm_info * vm, struct v3_interrupt * return v3_raise_irq(vm, intr->irq); } - int v3_hook_passthrough_irq(struct v3_vm_info * vm, uint_t irq) { int rc = v3_hook_irq(vm, irq, passthrough_irq_handler, NULL); @@ -224,6 +220,9 @@ int v3_hook_passthrough_irq(struct v3_vm_info * vm, uint_t irq) { } + + + int v3_deliver_irq(struct v3_vm_info * vm, struct v3_interrupt * intr) { PrintDebug("v3_deliver_irq: irq=%d state=0x%p, \n", intr->irq, (void *)intr); @@ -238,6 +237,21 @@ int v3_deliver_irq(struct v3_vm_info * vm, struct v3_interrupt * intr) { } + + +int v3_raise_swintr (struct guest_info * core, uint8_t vector) { + struct v3_intr_core_state * intr_state = &(core->intr_core_state); + + PrintDebug("Signaling software interrupt in v3_signal_swintr()\n"); + PrintDebug("\tINT vector: %d\n", vector); + + intr_state->swintr_posted = 1; + intr_state->swintr_vector = vector; + return 0; +} + + + int v3_raise_virq(struct guest_info * info, int irq) { struct v3_intr_core_state * intr_state = &(info->intr_core_state); int major = irq / 8; @@ -248,7 +262,6 @@ int v3_raise_virq(struct guest_info * info, int irq) { return 0; } - int v3_lower_virq(struct guest_info * info, int irq) { struct v3_intr_core_state * intr_state = &(info->intr_core_state); int major = irq / 8; @@ -276,7 +289,6 @@ int v3_lower_irq(struct v3_vm_info * vm, int irq) { return 0; } - int v3_raise_irq(struct v3_vm_info * vm, int irq) { struct intr_router * router = NULL; struct v3_intr_routers * routers = &(vm->intr_routers); @@ -294,22 +306,13 @@ int v3_raise_irq(struct v3_vm_info * vm, int irq) { } -int v3_signal_sw_intr(struct guest_info * core, int vec) { - struct v3_intr_core_state * intr_state = &(core->intr_core_state); - - PrintDebug("KCH: Signalling a software interrupt in vmm_intr.c\n"); - PrintDebug("\tINT vector: %d\n", vec); - - intr_state->sw_intr_pending = 1; - intr_state->sw_intr_vector = vec; - return 0; -} void v3_clear_pending_intr(struct guest_info * core) { struct v3_intr_core_state * intr_state = &(core->intr_core_state); intr_state->irq_pending = 0; + } @@ -338,12 +341,11 @@ v3_intr_type_t v3_intr_pending(struct guest_info * info) { } } } - - // KCH: not sure about this - if (intr_state->sw_intr_pending == 1) { + + /* for swintr injection */ + if (intr_state->swintr_posted == 1) { ret = V3_SOFTWARE_INTR; } - v3_unlock_irqrestore(intr_state->irq_lock, irq_state); @@ -406,7 +408,7 @@ intr_type_t v3_get_intr_type(struct guest_info * info) { } } -#ifdef CONFIG_DEBUG_INTERRUPTS +#ifdef V3_CONFIG_DEBUG_INTERRUPTS if (type == V3_INVALID_INTR) { PrintError("[get_intr_type] Invalid_Intr\n"); } @@ -419,6 +421,9 @@ intr_type_t v3_get_intr_type(struct guest_info * info) { */ + + + int v3_injecting_intr(struct guest_info * info, uint_t intr_num, v3_intr_type_t type) { struct v3_intr_core_state * intr_state = &(info->intr_core_state);