X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fapic.c;h=3d7f7925f01cef1188016a1e21b1406e0c8a0a5e;hb=16745fa0dd0900263d4d92315cd17e0ed9ccae91;hp=b8e2fefea7bec92484a9dd9bd4e53f368f31c0e5;hpb=3a0ee76fe3accce60ae161615cadc6e56cac008b;p=palacios.git diff --git a/palacios/src/devices/apic.c b/palacios/src/devices/apic.c index b8e2fef..3d7f792 100644 --- a/palacios/src/devices/apic.c +++ b/palacios/src/devices/apic.c @@ -33,14 +33,14 @@ #endif #ifdef CONFIG_DEBUG_APIC -static char *shorthand_str[] = { +static char * shorthand_str[] = { "(no shorthand)", "(self)", "(all)", "(all-but-me)", }; -static char *deliverymode_str[] = { +static char * deliverymode_str[] = { "(fixed)", "(lowest priority)", "(SMI)", @@ -207,6 +207,8 @@ struct apic_state { struct guest_info * core; + struct v3_timer * timer; + uint32_t eoi; v3_lock_t lock; @@ -1288,9 +1290,8 @@ static int apic_get_intr_number(struct guest_info * core, void * private_data) { } -int v3_apic_send_ipi(struct v3_vm_info * vm, struct vm_device * dev, - struct v3_gen_ipi * ipi) { - struct apic_dev_state * apic_dev = (struct apic_dev_state *)(dev->private_data); +int v3_apic_send_ipi(struct v3_vm_info * vm, struct v3_gen_ipi * ipi, void * dev_data) { + struct apic_dev_state * apic_dev = (struct apic_dev_state *)dev_data; struct int_cmd_reg tmp_icr; // zero out all the fields @@ -1309,9 +1310,8 @@ int v3_apic_send_ipi(struct v3_vm_info * vm, struct vm_device * dev, } -int v3_apic_raise_intr(struct v3_vm_info * vm, struct vm_device * dev, - uint32_t irq, uint32_t dst) { - struct apic_dev_state * apic_dev = (struct apic_dev_state *)(dev->private_data); +int v3_apic_raise_intr(struct v3_vm_info * vm, uint32_t irq, uint32_t dst, void * dev_data) { + struct apic_dev_state * apic_dev = (struct apic_dev_state *)(dev_data); struct apic_state * apic = &(apic_dev->apics[dst]); PrintDebug("apic %u core ?: raising interrupt IRQ %u (dst = %u).\n", apic->lapic_id.val, irq, dst); @@ -1455,30 +1455,42 @@ static struct intr_ctrl_ops intr_ops = { }; -static struct vm_timer_ops timer_ops = { +static struct v3_timer_ops timer_ops = { .update_timer = apic_update_time, }; -static int apic_free(struct vm_device * dev) { +static int apic_free(struct apic_dev_state * apic_dev) { + int i = 0; + struct v3_vm_info * vm = NULL; + + for (i = 0; i < apic_dev->num_apics; i++) { + struct apic_state * apic = &(apic_dev->apics[i]); + struct guest_info * core = apic->core; + + vm = core->vm_info; + + // unregister intr controller + + if (apic->timer) { + v3_remove_timer(core, apic->timer); + } - /* TODO: This should crosscall to force an unhook on each CPU */ + // unhook memory - // struct apic_state * apic = (struct apic_state *)dev->private_data; + } - v3_unhook_msr(dev->vm, BASE_ADDR_MSR); + v3_unhook_msr(vm, BASE_ADDR_MSR); + V3_Free(apic_dev); return 0; } static struct v3_device_ops dev_ops = { - .free = apic_free, - .reset = NULL, - .start = NULL, - .stop = NULL, + .free = (int (*)(void *))apic_free, }; @@ -1497,10 +1509,11 @@ static int apic_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { apic_dev->num_apics = vm->num_cores; - struct vm_device * dev = v3_allocate_device(dev_id, &dev_ops, apic_dev); + struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, apic_dev); - if (v3_attach_device(vm, dev) == -1) { + if (dev == NULL) { PrintError("apic: Could not attach device %s\n", dev_id); + V3_Free(apic_dev); return -1; } @@ -1515,7 +1528,13 @@ static int apic_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { v3_register_intr_controller(core, &intr_ops, apic_dev); - v3_add_timer(core, &timer_ops, apic_dev); + apic->timer = v3_add_timer(core, &timer_ops, apic_dev); + + if (apic->timer == NULL) { + PrintError("APIC: Failed to attach timer to core %d\n", i); + v3_remove_device(dev); + return -1; + } v3_hook_full_mem(vm, core->cpu_id, apic->base_addr, apic->base_addr + PAGE_SIZE_4KB, apic_read, apic_write, apic_dev);