#include <devices/generic.h>
#include <palacios/vmm.h>
#include <palacios/vmm_types.h>
-
+#include <palacios/vmm_list.h>
#define MEM_HOOKS 0 // not yet implmented in device model
#define IRQ_HOOKS 0 // not yet implemented in device model
+
struct generic_internal {
- generic_port_range_type * port_ranges;
- uint_t num_port_ranges;
- generic_address_range_type * address_ranges;
- uint_t num_address_ranges;
- generic_irq_range_type * irq_ranges;
- uint_t num_irq_ranges;
+ struct list_head port_range;
+ uint_t num_port_ranges;
+ struct list_head mem_range;
+ uint_t num_mem_ranges;
+ struct list_head irq_range;
+ uint_t num_irq_ranges;
+};
+
+
+struct port_range {
+ uint_t start;
+ uint_t end;
+ uint_t type;
+ struct list_head range_list;
+};
+
+struct mem_range {
+ void * start;
+ void * end;
+ uint_t type;
+ struct list_head range_list;
+};
+
+struct irq_range {
+ uint_t start;
+ uint_t end;
+ uint_t type;
+ struct list_head range_list;
};
PrintDebug("%x", ((uchar_t*)src)[i]);
}
- PrintDebug(" to port 0x%x ... ", port);
-
- PrintDebug(" ignored\n");
+ PrintDebug(" to port 0x%x ... ignored\n", port);
return length;
}
int generic_init_device(struct vm_device * dev) {
struct generic_internal * state = (struct generic_internal *)(dev->private_data);
- uint_t i, j;
PrintDebug("generic: init_device\n");
-
- // Would read state here
-
generic_reset_device(dev);
- for (i = 0; i < state->num_port_ranges; i++) {
-
- PrintDebug("generic: hooking ports 0x%x to 0x%x as %x\n",
- state->port_ranges[i][0], state->port_ranges[i][1],
- (state->port_ranges[i][2] == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore");
- if (PORT_HOOKS) { // This is a runtime conditional on a #define
- for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) {
- if (state->port_ranges[i][2] == GENERIC_PRINT_AND_PASSTHROUGH) {
-
- if (dev_hook_io(dev, j, &generic_read_port_passthrough, &generic_write_port_passthrough)) {
- PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", j);
+ if (PORT_HOOKS) { // This is a runtime conditional on a #define
+ struct port_range * tmp;
+
+ list_for_each_entry(tmp, &(state->port_range), range_list) {
+ 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");
+
+ for (i = tmp->start; i <= tmp->end; i++) {
+ if (tmp->type == GENERIC_PRINT_AND_PASSTHROUGH) {
+
+ if (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 (state->port_ranges[i][2] == GENERIC_PRINT_AND_IGNORE) {
-
- if (dev_hook_io(dev, j, &generic_read_port_ignore, &generic_write_port_ignore)) {
- PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", j);
+
+ } else if (tmp->type == GENERIC_PRINT_AND_IGNORE) {
+
+ if (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");
}
- for (i = 0; i < state->num_address_ranges; i++) {
- PrintDebug("generic: hooking addresses 0x%x to 0x%x\n",
- state->address_ranges[i][0], state->address_ranges[i][1]);
- if (MEM_HOOKS) { // This is a runtime conditional on a #define
- if (dev_hook_mem(dev, state->address_ranges[i][0], state->address_ranges[i][1])) {
+ if (MEM_HOOKS) { // This is a runtime conditional on a #define
+ struct mem_range * tmp;
+
+ list_for_each_entry(tmp, &(state->mem_range), range_list) {
+
+ PrintDebug("generic: hooking addresses 0x%x to 0x%x\n",
+ tmp->start, tmp->end);
+
+
+ if (dev_hook_mem(dev, tmp->start, tmp->end)) {
PrintDebug("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n",
- state->address_ranges[i][0], state->address_ranges[i][1]);
+ tmp->start, tmp->end);
}
- } else {
- PrintDebug("generic: hooking addresses not supported\n");
}
+ } else {
+ PrintDebug("generic: hooking addresses not supported\n");
}
- for (i = 0; i < state->num_irq_ranges; i++) {
- PrintDebug("generic: hooking irqs 0x%x to 0x%x\n",
- state->irq_ranges[i][0], state->irq_ranges[i][1]);
- if (IRQ_HOOKS) { // This is a runtime conditional on a #define
- for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) {
- if (dev_hook_irq(dev, j, &generic_interrupt)) {
- PrintDebug("generic: can't hook irq 0x%x (already hooked?)\n", j);
+
+ if (IRQ_HOOKS) { // This is a runtime conditional on a #define
+ struct irq_range * tmp;
+
+ list_for_each_entry(tmp, &(state->irq_range), range_list) {
+ uint_t i;
+
+ PrintDebug("generic: hooking irqs 0x%x to 0x%x\n",
+ tmp->start, tmp->end);
+
+ for (i = tmp->start; i <= tmp->end; i++) {
+ if (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;
}
int generic_deinit_device(struct vm_device * dev) {
- struct generic_internal *state = (struct generic_internal *)(dev->private_data);
- uint_t i, j;
+ struct generic_internal * state = (struct generic_internal *)(dev->private_data);
+
PrintDebug("generic: deinit_device\n");
- for (i = 0; i < state->num_irq_ranges; i++) {
+ if (IRQ_HOOKS) { // This is a runtime conditional on a #define
+ struct irq_range * tmp;
+ struct irq_range * cur;
- PrintDebug("generic: unhooking irqs 0x%x to 0x%x\n",
- state->irq_ranges[i][0], state->irq_ranges[i][1]);
+ list_for_each_entry_safe(cur, tmp, &(state->irq_range), range_list) {
+ uint_t i;
- if (IRQ_HOOKS) { // This is a runtime conditional on a #define
- for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) {
+ PrintDebug("generic: unhooking irqs 0x%x to 0x%x\n",
+ cur->start, cur->end);
+
- if (dev_unhook_irq(dev, j)) {
- PrintDebug("generic: can't unhook irq 0x%x (already unhooked?)\n",j);
+ for (i = cur->start; i <= cur->end; i++) {
+ if (dev_unhook_irq(dev, i)) {
+ PrintDebug("generic: can't unhook irq 0x%x (already unhooked?)\n", i);
}
-
}
- } else {
- PrintDebug("generic: unhooking irqs not supported\n");
+
+ V3_Free(cur);
}
+ } else {
+ PrintDebug("generic: unhooking irqs not supported\n");
}
- for (i = 0; i < state->num_address_ranges; i++) {
- PrintDebug("generic: unhooking addresses 0x%x to 0x%x\n",
- state->address_ranges[i][0], state->address_ranges[i][1]);
+ if (MEM_HOOKS) {
+ struct mem_range * tmp;
+ struct mem_range * cur;
+
+ list_for_each_entry_safe(cur, tmp, &(state->mem_range), range_list) {
- if (MEM_HOOKS) {
- if (dev_unhook_mem(dev, state->address_ranges[i][0], state->address_ranges[i][1])) {
+ PrintDebug("generic: unhooking addresses 0x%x to 0x%x\n",
+ cur->start, cur->end);
+ if (dev_unhook_mem(dev, cur->start, cur->end)) {
PrintDebug("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n",
- state->address_ranges[i][0], state->address_ranges[i][1]);
-
+ cur->start, cur->end);
}
- } else {
- PrintDebug("generic: unhooking addresses not supported\n");
+
+ V3_Free(cur);
}
+ } else {
+ PrintDebug("generic: unhooking addresses not supported\n");
}
+
- for (i = 0; i < state->num_port_ranges; i++) {
- PrintDebug("generic: unhooking ports 0x%x to 0x%x\n",
- state->port_ranges[i][0], state->port_ranges[i][1]);
-
- if (PORT_HOOKS) {
- for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) {
- if (dev_unhook_io(dev, j)) {
- PrintDebug("generic: can't unhook port 0x%x (already unhooked?)\n", j);
+ if (PORT_HOOKS) {
+ struct port_range * tmp;
+ struct port_range * cur;
+
+ list_for_each_entry_safe(cur, tmp, &(state->mem_range), range_list) {
+ uint_t i;
+
+ PrintDebug("generic: unhooking ports 0x%x to 0x%x\n",
+ cur->start, cur->end);
+
+ for (i = cur->start; i <= cur->end; i++) {
+ if (dev_unhook_io(dev, i)) {
+ PrintDebug("generic: can't unhook port 0x%x (already unhooked?)\n", i);
}
}
- } else {
- PrintDebug("generic: unhooking ports not supported\n");
- }
+ V3_Free(cur);
+ }
+ } else {
+ PrintDebug("generic: unhooking ports not supported\n");
}
+
+
generic_reset_device(dev);
return 0;
}
-struct vm_device *create_generic(generic_port_range_type port_ranges[],
- generic_address_range_type address_ranges[],
- generic_irq_range_type irq_ranges[])
-{
- struct generic_internal * generic_state = (struct generic_internal *)V3_Malloc(sizeof(struct generic_internal));
- int i;
- uint_t num_port_ranges;
- uint_t num_address_ranges;
- uint_t num_irq_ranges;
-
-
- num_port_ranges = 0;
+int v3_generic_add_port_range(struct vm_device * dev, uint_t start, uint_t end, uint_t type) {
- if (port_ranges != NULL) {
- i = 0;
-
- while ((port_ranges[i] != NULL) &&
- ( !( (port_ranges[i][0] == 0) &&
- (port_ranges[i][1] == 0) &&
- (port_ranges[i][2] == 0)) ) )
- {
- num_port_ranges++;
- i++;
- }
- }
+ if (PORT_HOOKS) {
+ struct generic_internal * state = (struct generic_internal *)(dev->private_data);
-
- num_address_ranges = 0;
-
- if (address_ranges != NULL) {
- i = 0;
-
- while ((address_ranges[i] != NULL) &&
- ( !( (address_ranges[i][0] == 0) &&
- (address_ranges[i][1] == 0) &&
- (address_ranges[i][2] == 0)) ) )
- {
- num_address_ranges++;
- i++;
- }
+ struct port_range * range = (struct port_range *)V3_Malloc(sizeof(struct port_range));
+ range->start = start;
+ range->end = end;
+ range->type = type;
+
+ list_add(&(state->port_range), &(range->range_list));
+ state->num_port_ranges++;
+ } else {
+ PrintDebug("generic: hooking IO ports not supported\n");
+ return -1;
}
- num_irq_ranges = 0;
+ return 0;
+}
- if (irq_ranges != NULL) {
- i = 0;
+int v3_generic_add_mem_range(struct vm_device * dev, void * start, void * end, uint_t type) {
- while ((irq_ranges[i] != NULL) &&
- ( !( (irq_ranges[i][0] == 0) &&
- (irq_ranges[i][1] == 0) &&
- (irq_ranges[i][2] == 0)) ) )
- {
- num_irq_ranges++;
- i++;
- }
- }
+ if (MEM_HOOKS) {
+ struct generic_internal * state = (struct generic_internal *)(dev->private_data);
-
- generic_state->num_port_ranges = num_port_ranges;
-
- if (num_port_ranges > 0) {
-
- generic_state->port_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_port_ranges);
- memcpy(generic_state->port_ranges, port_ranges,
- (sizeof(generic_port_range_type) * num_port_ranges));
-
+ struct mem_range * range = (struct mem_range *)V3_Malloc(sizeof(struct mem_range));
+ range->start = start;
+ range->end = end;
+ range->type = type;
+
+ list_add(&(state->port_range), &(range->range_list));
+ state->num_mem_ranges++;
} else {
- generic_state->port_ranges = NULL;
+ PrintDebug("generic: hooking memory not supported\n");
+ return -1;
}
+ return 0;
+}
- generic_state->num_address_ranges = num_address_ranges;
-
- if (num_address_ranges > 0) {
- generic_state->address_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_address_ranges);
- memcpy(generic_state->address_ranges, address_ranges,
- (sizeof(generic_address_range_type) * num_address_ranges));
+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);
+
+ struct irq_range * range = (struct irq_range *)V3_Malloc(sizeof(struct irq_range));
+ range->start = start;
+ range->end = end;
+ range->type = type;
+
+ list_add(&(state->port_range), &(range->range_list));
+ state->num_irq_ranges++;
} else {
- generic_state->address_ranges = NULL;
+ PrintDebug("generic: hooking IRQs not supported\n");
+ return -1;
}
+ return 0;
+}
- generic_state->num_irq_ranges = num_irq_ranges;
-
- if (num_irq_ranges > 0) {
- generic_state->irq_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_irq_ranges);
- memcpy(generic_state->irq_ranges, irq_ranges,
- (sizeof(generic_irq_range_type) * num_port_ranges));
- } else {
- generic_state->irq_ranges = NULL;
- }
+struct vm_device *create_generic() {
+ 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;
- struct vm_device *device = create_device("GENERIC", &dev_ops, generic_state);
+ INIT_LIST_HEAD(&(generic_state->port_range));
+ INIT_LIST_HEAD(&(generic_state->mem_range));
+ INIT_LIST_HEAD(&(generic_state->irq_range));
+
+ struct vm_device * device = create_device("GENERIC", &dev_ops, generic_state);
return device;
}
