X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fio_apic.c;h=0817e9beaa811071fb7d1023f4672ecd04525fa9;hb=5d1bbcc86de011e3f0d115b6f10fd8645cdf855e;hp=b0e9584142bd19e07db874942f38fd99cbbe9e6a;hpb=6d6988cc9c8bac21d96afd800076afe0915cf2cd;p=palacios.git diff --git a/palacios/src/devices/io_apic.c b/palacios/src/devices/io_apic.c index b0e9584..0817e9b 100644 --- a/palacios/src/devices/io_apic.c +++ b/palacios/src/devices/io_apic.c @@ -23,7 +23,7 @@ #include #include -#ifndef CONFIG_DEBUG_IO_APIC +#ifndef V3_CONFIG_DEBUG_IO_APIC #undef PrintDebug #define PrintDebug(fmt, args...) #endif @@ -136,6 +136,10 @@ struct io_apic_state { struct redir_tbl_entry redir_tbl[24]; void * apic_dev_data; + + void * router_handle; + + struct v3_vm_info * vm; }; @@ -273,7 +277,7 @@ static int ioapic_raise_irq(struct v3_vm_info * vm, void * private_data, int irq if (irq_entry->mask == 0) { struct v3_gen_ipi ipi; - PrintDebug("ioapic %u: IOAPIC Signalling APIC to raise INTR %d\n", + PrintDebug("ioapic %u: IOAPIC Signaling APIC to raise INTR %d\n", ioapic->ioapic_id.id, irq_entry->vec); @@ -284,6 +288,9 @@ static int ioapic_raise_irq(struct v3_vm_info * vm, void * private_data, int irq ipi.dst = irq_entry->dst_field; ipi.dst_shorthand = 0; + + PrintDebug("ioapic %u: IPI: vector 0x%x, mode 0x%x, logical 0x%x, trigger 0x%x, dst 0x%x, shorthand 0x%x\n", + ioapic->ioapic_id.id, ipi.vector, ipi.mode, ipi.logical, ipi.trigger_mode, ipi.dst, ipi.dst_shorthand); // Need to add destination argument here... if (v3_apic_send_ipi(vm, &ipi, ioapic->apic_dev_data) == -1) { PrintError("Error sending IPI to apic %d\n", ipi.dst); @@ -309,7 +316,7 @@ static struct intr_router_ops router_ops = { static int io_apic_free(struct io_apic_state * ioapic) { - // unregister intr router + v3_remove_intr_router(ioapic->vm, ioapic->router_handle); // unhook memory @@ -318,10 +325,42 @@ static int io_apic_free(struct io_apic_state * ioapic) { return 0; } +#ifdef V3_CONFIG_CHECKPOINT +static int io_apic_save(struct v3_chkpt_ctx * ctx, void * private_data) { + struct io_apic_state * io_apic = (struct io_apic_state *)private_data; + + V3_CHKPT_STD_SAVE(ctx, io_apic->base_addr); + V3_CHKPT_STD_SAVE(ctx, io_apic->index_reg); + V3_CHKPT_STD_SAVE(ctx, io_apic->ioapic_id); + V3_CHKPT_STD_SAVE(ctx, io_apic->ioapic_ver); + V3_CHKPT_STD_SAVE(ctx, io_apic->ioapic_arb_id); + V3_CHKPT_STD_SAVE(ctx, io_apic->redir_tbl); + + return 0; +} + +static int io_apic_load(struct v3_chkpt_ctx * ctx, void * private_data) { + struct io_apic_state * io_apic = (struct io_apic_state *)private_data; + + V3_CHKPT_STD_LOAD(ctx, io_apic->base_addr); + V3_CHKPT_STD_LOAD(ctx, io_apic->index_reg); + V3_CHKPT_STD_LOAD(ctx, io_apic->ioapic_id); + V3_CHKPT_STD_LOAD(ctx, io_apic->ioapic_ver); + V3_CHKPT_STD_LOAD(ctx, io_apic->ioapic_arb_id); + V3_CHKPT_STD_LOAD(ctx, io_apic->redir_tbl); + + return 0; +} +#endif + + static struct v3_device_ops dev_ops = { .free = (int (*)(void *))io_apic_free, - +#ifdef V3_CONFIG_CHECKPOINT + .save = io_apic_save, + .load = io_apic_load +#endif }; @@ -345,7 +384,8 @@ static int ioapic_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { return -1; } - v3_register_intr_router(vm, &router_ops, ioapic); + ioapic->router_handle = v3_register_intr_router(vm, &router_ops, ioapic); + ioapic->vm = vm; init_ioapic_state(ioapic, vm->num_cores);