* redistribute, and modify it as specified in the file "V3VEE_LICENSE".
*/
-#include <devices/generic.h>
#include <palacios/vmm.h>
#include <palacios/vmm_types.h>
#include <palacios/vmm_list.h>
-
-
+#include <palacios/vmm_io.h>
+#include <palacios/vmm_dev_mgr.h>
#ifndef CONFIG_DEBUG_GENERIC
#undef PrintDebug
#endif
+typedef enum {GENERIC_IGNORE,
+ GENERIC_PASSTHROUGH,
+ GENERIC_PRINT_AND_PASSTHROUGH,
+ GENERIC_PRINT_AND_IGNORE} generic_mode_t;
+
struct generic_internal {
struct list_head port_list;
uint_t num_port_ranges;
struct port_range {
uint_t start;
uint_t end;
- uint_t type;
+ generic_mode_t mode;
struct list_head range_link;
};
-static int generic_write_port_passthrough(uint16_t port, void * src,
+static int generic_write_port_passthrough(struct guest_info * core, uint16_t port, void * src,
uint_t length, struct vm_device * dev) {
uint_t i;
return length;
}
-static int generic_read_port_passthrough(uint16_t port, void * src,
+static int generic_read_port_passthrough(struct guest_info * core, uint16_t port, void * src,
uint_t length, struct vm_device * dev) {
uint_t i;
return length;
}
-static int generic_write_port_ignore(uint16_t port, void * src,
+static int generic_write_port_ignore(struct guest_info * core, uint16_t port, void * src,
uint_t length, struct vm_device * dev) {
uint_t i;
return length;
}
-static int generic_read_port_ignore(uint16_t port, void * src,
+static int generic_read_port_ignore(struct guest_info * core, uint16_t port, void * src,
uint_t length, struct vm_device * dev) {
PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port);
-int v3_generic_add_port_range(struct vm_device * dev, uint_t start, uint_t end, uint_t type) {
+static int add_port_range(struct vm_device * dev, uint_t start, uint_t end, generic_mode_t mode) {
struct generic_internal * state = (struct generic_internal *)(dev->private_data);
struct port_range * range = (struct port_range *)V3_Malloc(sizeof(struct port_range));
uint_t i = 0;
range->start = start;
range->end = end;
- range->type = type;
+ range->mode = mode;
PrintDebug("generic: Adding Port Range: 0x%x to 0x%x as %s\n",
- range->start, range->end,
- (range->type == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore");
+ start, end,
+ (mode == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore");
for (i = start; i <= end; i++) {
- if (type == GENERIC_PRINT_AND_PASSTHROUGH) {
+ if (mode == GENERIC_PRINT_AND_PASSTHROUGH) {
if (v3_dev_hook_io(dev, i, &generic_read_port_passthrough, &generic_write_port_passthrough) == -1) {
PrintError("generic: can't hook port 0x%x (already hooked?)\n", i);
return -1;
}
- } else if (type == GENERIC_PRINT_AND_IGNORE) {
+ } else if (mode == GENERIC_PRINT_AND_IGNORE) {
if (v3_dev_hook_io(dev, i, &generic_read_port_ignore, &generic_write_port_ignore) == -1) {
PrintError("generic: can't hook port 0x%x (already hooked?)\n", i);
return -1;
-static int generic_init(struct guest_info * vm, void * cfg_data) {
+static int generic_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
struct generic_internal * state = (struct generic_internal *)V3_Malloc(sizeof(struct generic_internal));
-
+ char * dev_id = v3_cfg_val(cfg, "ID");
+
+ v3_cfg_tree_t * port_cfg = v3_cfg_subtree(cfg, "ports");
+
+
INIT_LIST_HEAD(&(state->port_list));
state->num_port_ranges = 0;
+
- struct vm_device * dev = v3_allocate_device("GENERIC", &dev_ops, state);
+ struct vm_device * dev = v3_allocate_device(dev_id, &dev_ops, state);
if (v3_attach_device(vm, dev) == -1) {
- PrintError("Could not attach device %s\n", "GENERIC");
+ PrintError("Could not attach device %s\n", dev_id);
return -1;
}
PrintDebug("generic: init_device\n");
generic_reset_device(dev);
+ // scan port list....
+ while (port_cfg) {
+ uint16_t start = atox(v3_cfg_val(port_cfg, "start"));
+ uint16_t end = atox(v3_cfg_val(port_cfg, "end"));
+ char * mode_str = v3_cfg_val(port_cfg, "mode");
+ generic_mode_t mode = GENERIC_IGNORE;
+
+ if (strcasecmp(mode_str, "print_and_ignore") == 0) {
+ mode = GENERIC_PRINT_AND_IGNORE;
+ } else if (strcasecmp(mode_str, "print_and_passthrough") == 0) {
+ mode = GENERIC_PRINT_AND_PASSTHROUGH;
+ } else {
+ PrintError("Invalid Mode %s\n", mode_str);
+ return -1;
+ }
+
+ if (add_port_range(dev, start, end, mode) == -1) {
+ PrintError("Could not add port range %d-%d\n", start, end);
+ return -1;
+ }
+
+ port_cfg = v3_cfg_next_branch(port_cfg);
+ }
+
+
return 0;
}