X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_intr.c;h=0acf777aeed26a1f6035efea083c58a6d5f599bd;hb=3e5e5a12e64630d7a37ed32b8d7e2d993c79f7e0;hp=656fa1e5396f32ffdd2fc068ac19f0704fd65738;hpb=dabe645642889502900e7783420052b1c5241354;p=palacios.git diff --git a/palacios/src/palacios/vmm_intr.c b/palacios/src/palacios/vmm_intr.c index 656fa1e..0acf777 100644 --- a/palacios/src/palacios/vmm_intr.c +++ b/palacios/src/palacios/vmm_intr.c @@ -42,41 +42,67 @@ struct intr_controller { }; -void v3_init_interrupt_state(struct guest_info * info) { +struct intr_router { + struct intr_router_ops * router_ops; - info->intr_state.irq_pending = 0; - info->intr_state.irq_started = 0; - info->intr_state.irq_vector = 0; + void * priv_data; + struct list_head router_node; + +}; + +void v3_init_intr_controllers(struct guest_info * info) { + struct v3_intr_core_state * intr_state = &(info->intr_core_state); - INIT_LIST_HEAD(&(info->intr_state.controller_list)); + intr_state->irq_pending = 0; + intr_state->irq_started = 0; + intr_state->irq_vector = 0; - v3_lock_init(&(info->intr_state.irq_lock)); + INIT_LIST_HEAD(&(intr_state->controller_list)); +} + +void v3_init_intr_routers(struct v3_vm_info * vm) { + + INIT_LIST_HEAD(&(vm->intr_routers.router_list)); + + v3_lock_init(&(vm->intr_routers.irq_lock)); - memset((uchar_t *)(info->intr_state.hooks), 0, sizeof(struct v3_irq_hook *) * 256); + memset((uchar_t *)(vm->intr_routers.hooks), 0, sizeof(struct v3_irq_hook *) * 256); } -void v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state) { + +int 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)); - ctrlr->priv_data = state; + ctrlr->priv_data = priv_data; ctrlr->ctrl_ops = ops; - list_add(&(ctrlr->ctrl_node), &(info->intr_state.controller_list)); - + list_add(&(ctrlr->ctrl_node), &(info->intr_core_state.controller_list)); + + return 0; } +int 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)); + + router->priv_data = priv_data; + router->router_ops = ops; + + list_add(&(router->router_node), &(vm->intr_routers.router_list)); + + return 0; +} -static inline struct v3_irq_hook * get_irq_hook(struct guest_info * info, uint_t irq) { +static inline struct v3_irq_hook * get_irq_hook(struct v3_vm_info * vm, uint_t irq) { V3_ASSERT(irq <= 256); - return info->intr_state.hooks[irq]; + return vm->intr_routers.hooks[irq]; } -int v3_hook_irq(struct guest_info * info, +int v3_hook_irq(struct v3_vm_info * vm, uint_t irq, - int (*handler)(struct guest_info * info, struct v3_interrupt * intr, void * priv_data), + int (*handler)(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data), void * priv_data) { struct v3_irq_hook * hook = (struct v3_irq_hook *)V3_Malloc(sizeof(struct v3_irq_hook)); @@ -85,7 +111,7 @@ int v3_hook_irq(struct guest_info * info, return -1; } - if (get_irq_hook(info, irq) != NULL) { + if (get_irq_hook(vm, irq) != NULL) { PrintError("IRQ %d already hooked\n", irq); return -1; } @@ -93,9 +119,9 @@ int v3_hook_irq(struct guest_info * info, hook->handler = handler; hook->priv_data = priv_data; - info->intr_state.hooks[irq] = hook; + vm->intr_routers.hooks[irq] = hook; - if (V3_Hook_Interrupt(info, irq)) { + if (V3_Hook_Interrupt(vm, irq)) { PrintError("hook_irq: failed to hook irq %d\n", irq); return -1; } else { @@ -106,21 +132,21 @@ int v3_hook_irq(struct guest_info * info, -static int passthrough_irq_handler(struct guest_info * info, struct v3_interrupt * intr, void * priv_data) { +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 *)info); + intr->irq, (void *)vm); - return v3_raise_irq(info, intr->irq); + return v3_raise_irq(vm, intr->irq); } -int v3_hook_passthrough_irq(struct guest_info * info, uint_t irq) { - int rc = v3_hook_irq(info, irq, passthrough_irq_handler, NULL); +int v3_hook_passthrough_irq(struct v3_vm_info * vm, uint_t irq) { + int rc = v3_hook_irq(vm, irq, passthrough_irq_handler, NULL); if (rc) { - PrintError("guest_irq_injection: failed to hook irq 0x%x (guest=0x%p)\n", irq, (void *)info); + PrintError("guest_irq_injection: failed to hook irq 0x%x (guest=0x%p)\n", irq, (void *)vm); return -1; } else { - PrintDebug("guest_irq_injection: hooked irq 0x%x (guest=0x%p)\n", irq, (void *)info); + PrintDebug("guest_irq_injection: hooked irq 0x%x (guest=0x%p)\n", irq, (void *)vm); return 0; } } @@ -129,17 +155,17 @@ int v3_hook_passthrough_irq(struct guest_info * info, uint_t irq) { -int v3_deliver_irq(struct guest_info * info, struct v3_interrupt * intr) { +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); - struct v3_irq_hook * hook = get_irq_hook(info, intr->irq); + struct v3_irq_hook * hook = get_irq_hook(vm, intr->irq); if (hook == NULL) { PrintError("Attempting to deliver interrupt to non registered hook(irq=%d)\n", intr->irq); return -1; } - return hook->handler(info, intr, hook->priv_data); + return hook->handler(vm, intr, hook->priv_data); } @@ -147,7 +173,7 @@ int v3_deliver_irq(struct guest_info * info, struct v3_interrupt * intr) { int v3_raise_virq(struct guest_info * info, int irq) { - struct v3_intr_state * intr_state = &(info->intr_state); + struct v3_intr_core_state * intr_state = &(info->intr_core_state); int major = irq / 8; int minor = irq % 8; @@ -157,7 +183,7 @@ int v3_raise_virq(struct guest_info * info, int irq) { } int v3_lower_virq(struct guest_info * info, int irq) { - struct v3_intr_state * intr_state = &(info->intr_state); + struct v3_intr_core_state * intr_state = &(info->intr_core_state); int major = irq / 8; int minor = irq % 8; @@ -167,34 +193,34 @@ int v3_lower_virq(struct guest_info * info, int irq) { } -int v3_lower_irq(struct guest_info * info, int irq) { - struct intr_controller * ctrl = NULL; - struct v3_intr_state * intr_state = &(info->intr_state); +int v3_lower_irq(struct v3_vm_info * vm, int irq) { + struct intr_router * router = NULL; + struct v3_intr_routers * routers = &(vm->intr_routers); // PrintDebug("[v3_lower_irq]\n"); - addr_t irq_state = v3_lock_irqsave(intr_state->irq_lock); + addr_t irq_state = v3_lock_irqsave(routers->irq_lock); - list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { - ctrl->ctrl_ops->lower_intr(info, ctrl->priv_data, irq); + list_for_each_entry(router, &(routers->router_list), router_node) { + router->router_ops->lower_intr(vm, router->priv_data, irq); } - v3_unlock_irqrestore(intr_state->irq_lock, irq_state); + v3_unlock_irqrestore(routers->irq_lock, irq_state); return 0; } -int v3_raise_irq(struct guest_info * info, int irq) { - struct intr_controller * ctrl = NULL; - struct v3_intr_state * intr_state = &(info->intr_state); +int v3_raise_irq(struct v3_vm_info * vm, int irq) { + struct intr_router * router = NULL; + struct v3_intr_routers * routers = &(vm->intr_routers); // PrintDebug("[v3_raise_irq (%d)]\n", irq); - addr_t irq_state = v3_lock_irqsave(intr_state->irq_lock); + addr_t irq_state = v3_lock_irqsave(routers->irq_lock); - list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { - ctrl->ctrl_ops->raise_intr(info, ctrl->priv_data, irq); + list_for_each_entry(router, &(routers->router_list), router_node) { + router->router_ops->raise_intr(vm, router->priv_data, irq); } - v3_unlock_irqrestore(intr_state->irq_lock, irq_state); + v3_unlock_irqrestore(routers->irq_lock, irq_state); return 0; } @@ -202,7 +228,7 @@ int v3_raise_irq(struct guest_info * info, int irq) { v3_intr_type_t v3_intr_pending(struct guest_info * info) { - struct v3_intr_state * intr_state = &(info->intr_state); + struct v3_intr_core_state * intr_state = &(info->intr_core_state); struct intr_controller * ctrl = NULL; int ret = V3_INVALID_INTR; int i = 0; @@ -234,7 +260,7 @@ v3_intr_type_t v3_intr_pending(struct guest_info * info) { uint32_t v3_get_intr(struct guest_info * info) { - struct v3_intr_state * intr_state = &(info->intr_state); + struct v3_intr_core_state * intr_state = &(info->intr_core_state); struct intr_controller * ctrl = NULL; uint_t ret = 0; int i = 0; @@ -305,7 +331,7 @@ 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_state * intr_state = &(info->intr_state); + struct v3_intr_core_state * intr_state = &(info->intr_core_state); if (type == V3_EXTERNAL_IRQ) { struct intr_controller * ctrl = NULL;