X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fgeneric.c;fp=palacios%2Fsrc%2Fdevices%2Fgeneric.c;h=cc26934ed4113cf4bcbe2ce86c59ffdb985d2c5c;hp=130c7081d66be8184e194201af201eedfcae23d3;hb=4bc3ee757b44d3e466fd89e348106c47fa5511ee;hpb=9b4bfeefac09294a6f0ae12dbadf102eb547f5ec diff --git a/palacios/src/devices/generic.c b/palacios/src/devices/generic.c index 130c708..cc26934 100644 --- a/palacios/src/devices/generic.c +++ b/palacios/src/devices/generic.c @@ -38,41 +38,41 @@ struct generic_internal { - struct list_head port_list; - uint_t num_port_ranges; - struct list_head mem_list; - uint_t num_mem_ranges; - struct list_head irq_list; - uint_t num_irq_ranges; + struct list_head port_list; + uint_t num_port_ranges; + struct list_head mem_list; + uint_t num_mem_ranges; + struct list_head irq_list; + uint_t num_irq_ranges; }; struct port_range { - uint_t start; - uint_t end; - uint_t type; - struct list_head range_link; + uint_t start; + uint_t end; + uint_t type; + struct list_head range_link; }; struct mem_range { - void * start; - void * end; - uint_t type; - struct list_head range_link; + void * start; + void * end; + uint_t type; + struct list_head range_link; }; struct irq_range { - uint_t start; - uint_t end; - uint_t type; - struct list_head range_link; + uint_t start; + uint_t end; + uint_t type; + struct list_head range_link; }; static int generic_reset_device(struct vm_device * dev) { - PrintDebug("generic: reset device\n"); - return 0; + PrintDebug("generic: reset device\n"); + return 0; } @@ -80,14 +80,14 @@ static int generic_reset_device(struct vm_device * dev) { static int generic_start_device(struct vm_device * dev) { - PrintDebug("generic: start device\n"); - return 0; + PrintDebug("generic: start device\n"); + return 0; } static int generic_stop_device(struct vm_device * dev) { - PrintDebug("generic: stop device\n"); - return 0; + PrintDebug("generic: stop device\n"); + return 0; } @@ -97,90 +97,90 @@ static int generic_write_port_passthrough(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - uint_t i; + uint_t i; - PrintDebug("generic: writing 0x"); + PrintDebug("generic: writing 0x"); - for (i = 0; i < length; i++) { - PrintDebug("%x", ((uchar_t*)src)[i]); - } - - PrintDebug(" to port 0x%x ... ", port); - - - switch (length) { - case 1: - v3_outb(port,((uchar_t*)src)[0]); - break; - case 2: - v3_outw(port,((ushort_t*)src)[0]); - break; - case 4: - v3_outdw(port,((uint_t*)src)[0]); - break; - default: for (i = 0; i < length; i++) { - v3_outb(port, ((uchar_t*)src)[i]); + PrintDebug("%x", ((uchar_t*)src)[i]); } - } //switch length + + PrintDebug(" to port 0x%x ... ", port); - PrintDebug(" done\n"); + switch (length) { + case 1: + v3_outb(port,((uchar_t*)src)[0]); + break; + case 2: + v3_outw(port,((ushort_t*)src)[0]); + break; + case 4: + v3_outdw(port,((uint_t*)src)[0]); + break; + default: + for (i = 0; i < length; i++) { + v3_outb(port, ((uchar_t*)src)[i]); + } + } //switch length + + + PrintDebug(" done\n"); - return length; + return length; } static int generic_read_port_passthrough(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - uint_t i; + uint_t i; - PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port); + PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port); switch (length) { - case 1: - ((uchar_t*)src)[0] = v3_inb(port); - break; - case 2: - ((ushort_t*)src)[0] = v3_inw(port); - break; - case 4: - ((uint_t*)src)[0] = v3_indw(port); - break; - default: - for (i = 0; i < length; i++) { - ((uchar_t*)src)[i] = v3_inb(port); - } + case 1: + ((uchar_t*)src)[0] = v3_inb(port); + break; + case 2: + ((ushort_t*)src)[0] = v3_inw(port); + break; + case 4: + ((uint_t*)src)[0] = v3_indw(port); + break; + default: + for (i = 0; i < length; i++) { + ((uchar_t*)src)[i] = v3_inb(port); + } }//switch length - PrintDebug(" done ... read 0x"); + PrintDebug(" done ... read 0x"); - for (i = 0; i < length; i++) { - PrintDebug("%x", ((uchar_t*)src)[i]); - } + for (i = 0; i < length; i++) { + PrintDebug("%x", ((uchar_t*)src)[i]); + } - PrintDebug("\n"); + PrintDebug("\n"); - return length; + return length; } static int generic_write_port_ignore(ushort_t port, void * src, uint_t length, struct vm_device * dev) { - uint_t i; + uint_t i; - PrintDebug("generic: writing 0x"); + PrintDebug("generic: writing 0x"); - for (i = 0; i < length; i++) { - PrintDebug("%x", ((uchar_t*)src)[i]); - } + for (i = 0; i < length; i++) { + PrintDebug("%x", ((uchar_t*)src)[i]); + } - PrintDebug(" to port 0x%x ... ignored\n", port); + PrintDebug(" to port 0x%x ... ignored\n", port); - return length; + return length; } static int generic_read_port_ignore(ushort_t port, @@ -188,194 +188,194 @@ static int generic_read_port_ignore(ushort_t port, uint_t length, struct vm_device * dev) { - PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port); + PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port); - memset((char*)src, 0, length); - PrintDebug(" ignored (return zeroed buffer)\n"); + memset((char*)src, 0, length); + PrintDebug(" ignored (return zeroed buffer)\n"); - return length; + return length; } static int generic_interrupt(uint_t irq, struct vm_device * dev) { - PrintDebug("generic: interrupt 0x%x - injecting into VM\n", irq); + PrintDebug("generic: interrupt 0x%x - injecting into VM\n", irq); - v3_raise_irq(dev->vm, irq); + v3_raise_irq(dev->vm, irq); - return 0; + return 0; } static int generic_init_device(struct vm_device * dev) { - struct generic_internal * state = (struct generic_internal *)(dev->private_data); + struct generic_internal * state = (struct generic_internal *)(dev->private_data); - PrintDebug("generic: init_device\n"); - generic_reset_device(dev); + PrintDebug("generic: init_device\n"); + generic_reset_device(dev); - if (PORT_HOOKS) { // This is a runtime conditional on a #define - struct port_range * tmp = NULL; + if (PORT_HOOKS) { // This is a runtime conditional on a #define + struct port_range * tmp = NULL; - list_for_each_entry(tmp, &(state->port_list), range_link) { - uint_t i = 0; + list_for_each_entry(tmp, &(state->port_list), range_link) { + uint_t i = 0; - PrintDebug("generic: hooking ports 0x%x to 0x%x as %x\n", - tmp->start, tmp->end, - (tmp->type == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore"); + PrintDebug("generic: hooking ports 0x%x to 0x%x as %x\n", + tmp->start, tmp->end, + (tmp->type == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore"); - for (i = tmp->start; i <= tmp->end; i++) { - if (tmp->type == GENERIC_PRINT_AND_PASSTHROUGH) { + for (i = tmp->start; i <= tmp->end; i++) { + if (tmp->type == GENERIC_PRINT_AND_PASSTHROUGH) { - if (v3_dev_hook_io(dev, i, &generic_read_port_passthrough, &generic_write_port_passthrough)) { - PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", i); - } + if (v3_dev_hook_io(dev, i, &generic_read_port_passthrough, &generic_write_port_passthrough)) { + PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", i); + } - } else if (tmp->type == GENERIC_PRINT_AND_IGNORE) { + } else if (tmp->type == GENERIC_PRINT_AND_IGNORE) { - if (v3_dev_hook_io(dev, i, &generic_read_port_ignore, &generic_write_port_ignore)) { - PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", i); - } - } - } + if (v3_dev_hook_io(dev, i, &generic_read_port_ignore, &generic_write_port_ignore)) { + PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", i); + } + } + } + } + } else { + PrintDebug("generic: hooking ports not supported\n"); } - } else { - PrintDebug("generic: hooking ports not supported\n"); - } - if (MEM_HOOKS) { // This is a runtime conditional on a #define - struct mem_range * tmp; + if (MEM_HOOKS) { // This is a runtime conditional on a #define + struct mem_range * tmp; - list_for_each_entry(tmp, &(state->mem_list), range_link) { + list_for_each_entry(tmp, &(state->mem_list), range_link) { - PrintDebug("generic: hooking addresses 0x%x to 0x%x\n", - tmp->start, tmp->end); + PrintDebug("generic: hooking addresses 0x%x to 0x%x\n", + tmp->start, tmp->end); - if (v3_dev_hook_mem(dev, tmp->start, tmp->end)) { - PrintDebug("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n", - tmp->start, tmp->end); - } + if (v3_dev_hook_mem(dev, tmp->start, tmp->end)) { + PrintDebug("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n", + tmp->start, tmp->end); + } + } + } else { + PrintDebug("generic: hooking addresses not supported\n"); } - } else { - PrintDebug("generic: hooking addresses not supported\n"); - } - if (IRQ_HOOKS) { // This is a runtime conditional on a #define - struct irq_range * tmp; + if (IRQ_HOOKS) { // This is a runtime conditional on a #define + struct irq_range * tmp; - list_for_each_entry(tmp, &(state->irq_list), range_link) { - uint_t i; + list_for_each_entry(tmp, &(state->irq_list), range_link) { + uint_t i; - PrintDebug("generic: hooking irqs 0x%x to 0x%x\n", - tmp->start, tmp->end); + PrintDebug("generic: hooking irqs 0x%x to 0x%x\n", + tmp->start, tmp->end); - for (i = tmp->start; i <= tmp->end; i++) { - if (v3_dev_hook_irq(dev, i, &generic_interrupt)) { - PrintDebug("generic: can't hook irq 0x%x (already hooked?)\n", i); - } - } + for (i = tmp->start; i <= tmp->end; i++) { + if (v3_dev_hook_irq(dev, i, &generic_interrupt)) { + PrintDebug("generic: can't hook irq 0x%x (already hooked?)\n", i); + } + } + } + } else { + PrintDebug("generic: hooking irqs not supported\n"); } - } else { - PrintDebug("generic: hooking irqs not supported\n"); - } - return 0; + return 0; } static int generic_deinit_device(struct vm_device * dev) { - struct generic_internal * state = (struct generic_internal *)(dev->private_data); + struct generic_internal * state = (struct generic_internal *)(dev->private_data); - PrintDebug("generic: deinit_device\n"); + PrintDebug("generic: deinit_device\n"); - if (IRQ_HOOKS) { // This is a runtime conditional on a #define - struct irq_range * tmp; - struct irq_range * cur; + if (IRQ_HOOKS) { // This is a runtime conditional on a #define + struct irq_range * tmp; + struct irq_range * cur; - list_for_each_entry_safe(cur, tmp, &(state->irq_list), range_link) { - uint_t i; + list_for_each_entry_safe(cur, tmp, &(state->irq_list), range_link) { + uint_t i; - PrintDebug("generic: unhooking irqs 0x%x to 0x%x\n", - cur->start, cur->end); + PrintDebug("generic: unhooking irqs 0x%x to 0x%x\n", + cur->start, cur->end); - for (i = cur->start; i <= cur->end; i++) { - if (v3_dev_unhook_irq(dev, i)) { - PrintDebug("generic: can't unhook irq 0x%x (already unhooked?)\n", i); - } - } + for (i = cur->start; i <= cur->end; i++) { + if (v3_dev_unhook_irq(dev, i)) { + PrintDebug("generic: can't unhook irq 0x%x (already unhooked?)\n", i); + } + } - list_del(&(cur->range_link)); - state->num_irq_ranges--; - V3_Free(cur); + list_del(&(cur->range_link)); + state->num_irq_ranges--; + V3_Free(cur); + } + } else { + PrintDebug("generic: unhooking irqs not supported\n"); } - } else { - PrintDebug("generic: unhooking irqs not supported\n"); - } - if (MEM_HOOKS) { - struct mem_range * tmp; - struct mem_range * cur; + if (MEM_HOOKS) { + struct mem_range * tmp; + struct mem_range * cur; - list_for_each_entry_safe(cur, tmp, &(state->mem_list), range_link) { + list_for_each_entry_safe(cur, tmp, &(state->mem_list), range_link) { - PrintDebug("generic: unhooking addresses 0x%x to 0x%x\n", - cur->start, cur->end); + PrintDebug("generic: unhooking addresses 0x%x to 0x%x\n", + cur->start, cur->end); - if (v3_dev_unhook_mem(dev, cur->start, cur->end)) { - PrintDebug("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n", - cur->start, cur->end); - } + if (v3_dev_unhook_mem(dev, cur->start, cur->end)) { + PrintDebug("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n", + cur->start, cur->end); + } - list_del(&(cur->range_link)); - state->num_mem_ranges--; - V3_Free(cur); + list_del(&(cur->range_link)); + state->num_mem_ranges--; + V3_Free(cur); + } + } else { + PrintDebug("generic: unhooking addresses not supported\n"); } - } else { - PrintDebug("generic: unhooking addresses not supported\n"); - } - if (PORT_HOOKS) { - struct port_range * tmp; - struct port_range * cur; + if (PORT_HOOKS) { + struct port_range * tmp; + struct port_range * cur; - list_for_each_entry_safe(cur, tmp, &(state->port_list), range_link) { - uint_t i; + list_for_each_entry_safe(cur, tmp, &(state->port_list), range_link) { + uint_t i; - PrintDebug("generic: unhooking ports 0x%x to 0x%x\n", - cur->start, cur->end); + PrintDebug("generic: unhooking ports 0x%x to 0x%x\n", + cur->start, cur->end); - for (i = cur->start; i <= cur->end; i++) { - if (v3_dev_unhook_io(dev, i)) { - PrintDebug("generic: can't unhook port 0x%x (already unhooked?)\n", i); + for (i = cur->start; i <= cur->end; i++) { + if (v3_dev_unhook_io(dev, i)) { + PrintDebug("generic: can't unhook port 0x%x (already unhooked?)\n", i); + } + } + + list_del(&(cur->range_link)); + state->num_port_ranges--; + V3_Free(cur); } - } - - list_del(&(cur->range_link)); - state->num_port_ranges--; - V3_Free(cur); + } else { + PrintDebug("generic: unhooking ports not supported\n"); } - } else { - PrintDebug("generic: unhooking ports not supported\n"); - } - generic_reset_device(dev); - return 0; + generic_reset_device(dev); + return 0; } @@ -383,11 +383,11 @@ static int generic_deinit_device(struct vm_device * dev) { static struct vm_device_ops dev_ops = { - .init = generic_init_device, - .deinit = generic_deinit_device, - .reset = generic_reset_device, - .start = generic_start_device, - .stop = generic_stop_device, + .init = generic_init_device, + .deinit = generic_deinit_device, + .reset = generic_reset_device, + .start = generic_start_device, + .stop = generic_stop_device, }; @@ -395,84 +395,84 @@ static struct vm_device_ops dev_ops = { int v3_generic_add_port_range(struct vm_device * dev, uint_t start, uint_t end, uint_t type) { - if (PORT_HOOKS) { - struct generic_internal * state = (struct generic_internal *)(dev->private_data); + if (PORT_HOOKS) { + struct generic_internal * state = (struct generic_internal *)(dev->private_data); - struct port_range * range = (struct port_range *)V3_Malloc(sizeof(struct port_range)); - range->start = start; - range->end = end; - range->type = type; + struct port_range * range = (struct port_range *)V3_Malloc(sizeof(struct port_range)); + range->start = start; + range->end = end; + range->type = type; - PrintDebug("generic: Adding Port Range: 0x%x to 0x%x as %x\n", - range->start, range->end, - (range->type == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore"); + PrintDebug("generic: Adding Port Range: 0x%x to 0x%x as %x\n", + range->start, range->end, + (range->type == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore"); - list_add(&(range->range_link), &(state->port_list)); - state->num_port_ranges++; - } else { - PrintDebug("generic: hooking IO ports not supported\n"); - return -1; - } - - return 0; + list_add(&(range->range_link), &(state->port_list)); + state->num_port_ranges++; + } else { + PrintDebug("generic: hooking IO ports not supported\n"); + return -1; + } + + return 0; } int v3_generic_add_mem_range(struct vm_device * dev, void * start, void * end, uint_t type) { - if (MEM_HOOKS) { - struct generic_internal * state = (struct generic_internal *)(dev->private_data); + if (MEM_HOOKS) { + struct generic_internal * state = (struct generic_internal *)(dev->private_data); - struct mem_range * range = (struct mem_range *)V3_Malloc(sizeof(struct mem_range)); - range->start = start; - range->end = end; - range->type = type; + struct mem_range * range = (struct mem_range *)V3_Malloc(sizeof(struct mem_range)); + range->start = start; + range->end = end; + range->type = type; - list_add(&(range->range_link), &(state->port_list)); - state->num_mem_ranges++; - } else { - PrintDebug("generic: hooking memory not supported\n"); - return -1; - } - - return 0; + list_add(&(range->range_link), &(state->port_list)); + state->num_mem_ranges++; + } else { + PrintDebug("generic: hooking memory not supported\n"); + return -1; + } + + return 0; } int v3_generic_add_irq_range(struct vm_device * dev, uint_t start, uint_t end, uint_t type) { - if (IRQ_HOOKS) { - struct generic_internal * state = (struct generic_internal *)(dev->private_data); + if (IRQ_HOOKS) { + struct generic_internal * state = (struct generic_internal *)(dev->private_data); - struct irq_range * range = (struct irq_range *)V3_Malloc(sizeof(struct irq_range)); - range->start = start; - range->end = end; - range->type = type; + struct irq_range * range = (struct irq_range *)V3_Malloc(sizeof(struct irq_range)); + range->start = start; + range->end = end; + range->type = type; - list_add(&(range->range_link), &(state->port_list)); - state->num_irq_ranges++; - } else { - PrintDebug("generic: hooking IRQs not supported\n"); - return -1; - } - - return 0; + list_add(&(range->range_link), &(state->port_list)); + state->num_irq_ranges++; + } else { + PrintDebug("generic: hooking IRQs not supported\n"); + return -1; + } + + return 0; } struct vm_device * v3_create_generic() { - struct generic_internal * generic_state = (struct generic_internal *)V3_Malloc(sizeof(struct generic_internal)); + struct generic_internal * generic_state = (struct generic_internal *)V3_Malloc(sizeof(struct generic_internal)); - generic_state->num_port_ranges = 0; - generic_state->num_mem_ranges = 0; - generic_state->num_irq_ranges = 0; + generic_state->num_port_ranges = 0; + generic_state->num_mem_ranges = 0; + generic_state->num_irq_ranges = 0; - INIT_LIST_HEAD(&(generic_state->port_list)); - INIT_LIST_HEAD(&(generic_state->mem_list)); - INIT_LIST_HEAD(&(generic_state->irq_list)); + INIT_LIST_HEAD(&(generic_state->port_list)); + INIT_LIST_HEAD(&(generic_state->mem_list)); + INIT_LIST_HEAD(&(generic_state->irq_list)); - struct vm_device * device = v3_create_device("GENERIC", &dev_ops, generic_state); + struct vm_device * device = v3_create_device("GENERIC", &dev_ops, generic_state); - return device; + return device; }