X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_intr.c;h=ac6b6cebf1534a1943b4b1fadd5613fda995e709;hp=7ffd1a8dd63c1e91b08727f6620fdbf9158a2752;hb=266af4b5b19da7bee8e7445288c7c1cb3ee194c7;hpb=5ac47589b79508967bd06b4022bbfc50de47423f diff --git a/palacios/src/palacios/vmm_intr.c b/palacios/src/palacios/vmm_intr.c index 7ffd1a8..ac6b6ce 100644 --- a/palacios/src/palacios/vmm_intr.c +++ b/palacios/src/palacios/vmm_intr.c @@ -32,30 +32,30 @@ struct intr_controller { - struct intr_ctrl_ops * ctrl_ops; + struct intr_ctrl_ops * ctrl_ops; - void * priv_data; - struct list_head ctrl_node; + void * priv_data; + struct list_head ctrl_node; }; void v3_init_interrupt_state(struct guest_info * info) { - info->intr_state.excp_pending = 0; - info->intr_state.excp_num = 0; - info->intr_state.excp_error_code = 0; + info->intr_state.excp_pending = 0; + info->intr_state.excp_num = 0; + info->intr_state.excp_error_code = 0; - INIT_LIST_HEAD(&(info->intr_state.controller_list)); + INIT_LIST_HEAD(&(info->intr_state.controller_list)); - memset((uchar_t *)(info->intr_state.hooks), 0, sizeof(struct v3_irq_hook *) * 256); + memset((uchar_t *)(info->intr_state.hooks), 0, sizeof(struct v3_irq_hook *) * 256); } void v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state) { - struct intr_controller * ctrlr = (struct intr_controller *)V3_Malloc(sizeof(struct intr_controller)); + struct intr_controller * ctrlr = (struct intr_controller *)V3_Malloc(sizeof(struct intr_controller)); - ctrlr->priv_data = state; - ctrlr->ctrl_ops = ops; + ctrlr->priv_data = state; + ctrlr->ctrl_ops = ops; - list_add(&(ctrlr->ctrl_node), &(info->intr_state.controller_list)); + list_add(&(ctrlr->ctrl_node), &(info->intr_state.controller_list)); } @@ -63,8 +63,8 @@ void v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_ops static inline struct v3_irq_hook * get_irq_hook(struct guest_info * info, uint_t irq) { - V3_ASSERT(irq <= 256); - return info->intr_state.hooks[irq]; + V3_ASSERT(irq <= 256); + return info->intr_state.hooks[irq]; } @@ -73,29 +73,29 @@ int v3_hook_irq(struct guest_info * info, int (*handler)(struct guest_info * info, 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)); + struct v3_irq_hook * hook = (struct v3_irq_hook *)V3_Malloc(sizeof(struct v3_irq_hook)); - if (hook == NULL) { - return -1; - } + if (hook == NULL) { + return -1; + } - if (get_irq_hook(info, irq) != NULL) { - PrintError("IRQ %d already hooked\n", irq); - return -1; - } + if (get_irq_hook(info, irq) != NULL) { + PrintError("IRQ %d already hooked\n", irq); + return -1; + } - hook->handler = handler; - hook->priv_data = priv_data; + hook->handler = handler; + hook->priv_data = priv_data; - info->intr_state.hooks[irq] = hook; - - if (V3_Hook_Interrupt(info, irq)) { - PrintError("hook_irq: failed to hook irq %d\n", irq); - return -1; - } else { - PrintDebug("hook_irq: hooked irq %d\n", irq); - return 0; - } + info->intr_state.hooks[irq] = hook; + + if (V3_Hook_Interrupt(info, irq)) { + PrintError("hook_irq: failed to hook irq %d\n", irq); + return -1; + } else { + PrintDebug("hook_irq: hooked irq %d\n", irq); + return 0; + } } @@ -103,24 +103,24 @@ int v3_hook_irq(struct guest_info * info, static int passthrough_irq_handler(struct guest_info * info, struct v3_interrupt * intr, void * priv_data) { - PrintDebug("[passthrough_irq_handler] raise_irq=%d (guest=0x%p)\n", - intr->irq, (void *)info); - return v3_raise_irq(info, intr->irq); + PrintDebug("[passthrough_irq_handler] raise_irq=%d (guest=0x%p)\n", + intr->irq, (void *)info); + return v3_raise_irq(info, 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 rc = v3_hook_irq(info, irq, passthrough_irq_handler, NULL); - if (rc) { - PrintError("guest_irq_injection: failed to hook irq 0x%x (guest=0x%p)\n", irq, (void *)info); - return -1; - } else { - PrintDebug("guest_irq_injection: hooked irq 0x%x (guest=0x%p)\n", irq, (void *)info); - return 0; - } + if (rc) { + PrintError("guest_irq_injection: failed to hook irq 0x%x (guest=0x%p)\n", irq, (void *)info); + return -1; + } else { + PrintDebug("guest_irq_injection: hooked irq 0x%x (guest=0x%p)\n", irq, (void *)info); + return 0; + } } @@ -128,16 +128,16 @@ int v3_hook_passthrough_irq(struct guest_info * info, uint_t irq) int v3_deliver_irq(struct guest_info * info, struct v3_interrupt * intr) { - PrintDebug("v3_deliver_irq: irq=%d state=0x%p, \n", intr->irq, (void *)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(info, intr->irq); - if (hook == NULL) { - PrintError("Attempting to deliver interrupt to non registered hook(irq=%d)\n", intr->irq); - return -1; - } + 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(info, intr, hook->priv_data); } @@ -148,129 +148,129 @@ int v3_deliver_irq(struct guest_info * info, struct v3_interrupt * intr) { int v3_raise_exception_with_error(struct guest_info * info, uint_t excp, uint_t error_code) { - struct v3_intr_state * intr_state = &(info->intr_state); - - if (intr_state->excp_pending == 0) { - intr_state->excp_pending = 1; - intr_state->excp_num = excp; - intr_state->excp_error_code = error_code; - intr_state->excp_error_code_valid = 1; - PrintDebug("[v3_raise_exception_with_error] error code: %x\n", error_code); - } else { - PrintError("exception already pending, currently not implemented\n"); - return -1; - } - - return 0; + struct v3_intr_state * intr_state = &(info->intr_state); + + if (intr_state->excp_pending == 0) { + intr_state->excp_pending = 1; + intr_state->excp_num = excp; + intr_state->excp_error_code = error_code; + intr_state->excp_error_code_valid = 1; + PrintDebug("[v3_raise_exception_with_error] error code: %x\n", error_code); + } else { + PrintError("exception already pending, currently not implemented\n"); + return -1; + } + + return 0; } int v3_raise_exception(struct guest_info * info, uint_t excp) { - struct v3_intr_state * intr_state = &(info->intr_state); - PrintDebug("[v3_raise_exception]\n"); - if (intr_state->excp_pending == 0) { - intr_state->excp_pending = 1; - intr_state->excp_num = excp; - intr_state->excp_error_code = 0; - intr_state->excp_error_code_valid = 0; - } else { - PrintError("exception already pending, currently not implemented\n"); - return -1; - } - - return 0; + struct v3_intr_state * intr_state = &(info->intr_state); + PrintDebug("[v3_raise_exception]\n"); + if (intr_state->excp_pending == 0) { + intr_state->excp_pending = 1; + intr_state->excp_num = excp; + intr_state->excp_error_code = 0; + intr_state->excp_error_code_valid = 0; + } else { + PrintError("exception already pending, currently not implemented\n"); + return -1; + } + + return 0; } int v3_lower_irq(struct guest_info * info, int irq) { - struct intr_controller * ctrl = NULL; - struct v3_intr_state * intr_state = &(info->intr_state); + struct intr_controller * ctrl = NULL; + struct v3_intr_state * intr_state = &(info->intr_state); - PrintDebug("[v3_lower_irq]\n"); + PrintDebug("[v3_lower_irq]\n"); - list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { - ctrl->ctrl_ops->lower_intr(ctrl->priv_data, irq); - } + list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { + ctrl->ctrl_ops->lower_intr(ctrl->priv_data, irq); + } - return 0; + 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); + struct intr_controller * ctrl = NULL; + struct v3_intr_state * intr_state = &(info->intr_state); - PrintDebug("[v3_raise_irq (%d)]\n", irq); + PrintDebug("[v3_raise_irq (%d)]\n", irq); - list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { - ctrl->ctrl_ops->raise_intr(ctrl->priv_data, irq); - } + list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { + ctrl->ctrl_ops->raise_intr(ctrl->priv_data, irq); + } - return 0; + return 0; } int v3_intr_pending(struct guest_info * info) { - struct v3_intr_state * intr_state = &(info->intr_state); + struct v3_intr_state * intr_state = &(info->intr_state); - // PrintDebug("[intr_pending]\n"); - if (intr_state->excp_pending == 1) { - return 1; - } else { - struct intr_controller * ctrl = NULL; - - list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { - if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data) == 1) { + // PrintDebug("[intr_pending]\n"); + if (intr_state->excp_pending == 1) { return 1; - } + } else { + struct intr_controller * ctrl = NULL; + + list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { + if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data) == 1) { + return 1; + } + } } - } - return 0; + return 0; } uint_t v3_get_intr_number(struct guest_info * info) { - struct v3_intr_state * intr_state = &(info->intr_state); + struct v3_intr_state * intr_state = &(info->intr_state); - if (intr_state->excp_pending == 1) { - return intr_state->excp_num; - } else { - struct intr_controller * ctrl = NULL; + if (intr_state->excp_pending == 1) { + return intr_state->excp_num; + } else { + struct intr_controller * ctrl = NULL; - list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { - if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data)) { - uint_t intr_num = ctrl->ctrl_ops->get_intr_number(ctrl->priv_data); + list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { + if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data)) { + uint_t intr_num = ctrl->ctrl_ops->get_intr_number(ctrl->priv_data); - PrintDebug("[get_intr_number] intr_number = %d\n", intr_num); + PrintDebug("[get_intr_number] intr_number = %d\n", intr_num); - return intr_num; - } + return intr_num; + } + } } - } - return 0; + return 0; } intr_type_t v3_get_intr_type(struct guest_info * info) { - struct v3_intr_state * intr_state = &(info->intr_state); - - if (intr_state->excp_pending) { - PrintDebug("[get_intr_type] Exception\n"); - return EXCEPTION; - } else { - struct intr_controller * ctrl = NULL; - - list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { - if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data) == 1) { - PrintDebug("[get_intr_type] External_irq\n"); - return EXTERNAL_IRQ; - } + struct v3_intr_state * intr_state = &(info->intr_state); + + if (intr_state->excp_pending) { + PrintDebug("[get_intr_type] Exception\n"); + return EXCEPTION; + } else { + struct intr_controller * ctrl = NULL; + + list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { + if (ctrl->ctrl_ops->intr_pending(ctrl->priv_data) == 1) { + PrintDebug("[get_intr_type] External_irq\n"); + return EXTERNAL_IRQ; + } + } } - } - PrintDebug("[get_intr_type] Invalid_Intr\n"); - return INVALID_INTR; + PrintDebug("[get_intr_type] Invalid_Intr\n"); + return INVALID_INTR; } @@ -279,23 +279,23 @@ intr_type_t v3_get_intr_type(struct guest_info * info) { int v3_injecting_intr(struct guest_info * info, uint_t intr_num, intr_type_t type) { - struct v3_intr_state * intr_state = &(info->intr_state); - - if (type == EXCEPTION) { - PrintDebug("[injecting_intr] Exception\n"); - intr_state->excp_pending = 0; - intr_state->excp_num = 0; - intr_state->excp_error_code = 0; - intr_state->excp_error_code_valid = 0; + struct v3_intr_state * intr_state = &(info->intr_state); + + if (type == EXCEPTION) { + PrintDebug("[injecting_intr] Exception\n"); + intr_state->excp_pending = 0; + intr_state->excp_num = 0; + intr_state->excp_error_code = 0; + intr_state->excp_error_code_valid = 0; - } else if (type == EXTERNAL_IRQ) { - struct intr_controller * ctrl = NULL; + } else if (type == EXTERNAL_IRQ) { + struct intr_controller * ctrl = NULL; - PrintDebug("[injecting_intr] External_Irq with intr_num = %x\n", intr_num); - list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { - ctrl->ctrl_ops->begin_irq(ctrl->priv_data, intr_num); + PrintDebug("[injecting_intr] External_Irq with intr_num = %x\n", intr_num); + list_for_each_entry(ctrl, &(intr_state->controller_list), ctrl_node) { + ctrl->ctrl_ops->begin_irq(ctrl->priv_data, intr_num); + } } - } - return 0; + return 0; }