added back in 32 bit support

[palacios.git] / palacios / src / devices / lnx_virtio_balloon.c

diff --git a/palacios/src/devices/lnx_virtio_balloon.c b/palacios/src/devices/lnx_virtio_balloon.c
index c29d900..c5b621e 100644 (file)
--- a/palacios/src/devices/lnx_virtio_balloon.c
+++ b/palacios/src/devices/lnx_virtio_balloon.c
@@ -121,7 +121,7 @@ static int get_desc_count(struct virtio_queue * q, int index) {
 }
 
 
-static int handle_kick(struct vm_device * dev) {
+static int handle_kick(struct guest_info * core, struct vm_device * dev) {
     struct virtio_balloon_state * virtio = (struct virtio_balloon_state *)dev->private_data;    
     struct virtio_queue * q = virtio->cur_queue;
 
@@ -142,12 +142,13 @@ static int handle_kick(struct vm_device * dev) {
            addr_t page_addr;
            tmp_desc = &(q->desc[desc_idx]);
            
-           PrintDebug("Header Descriptor (ptr=%p) gpa=%p, len=%d, flags=%x, next=%d\n", tmp_desc, 
-                      (void *)(tmp_desc->addr_gpa), tmp_desc->length, 
+           PrintDebug("Header Descriptor (ptr=%p) gpa=%p, len=%d, flags=%x, next=%d\n", 
+                      tmp_desc, 
+                      (void *)(addr_t)(tmp_desc->addr_gpa), tmp_desc->length, 
                       tmp_desc->flags, tmp_desc->next);
        
 
-           if (guest_pa_to_host_va(dev->vm, tmp_desc->addr_gpa, (addr_t *)&(page_addr)) == -1) {
+           if (guest_pa_to_host_va(core, tmp_desc->addr_gpa, (addr_t *)&(page_addr)) == -1) {
                PrintError("Could not translate block header address\n");
                return -1;
            }
@@ -184,7 +185,8 @@ static int handle_kick(struct vm_device * dev) {
     return 0;
 }
 
-static int virtio_io_write(uint16_t port, void * src, uint_t length, struct vm_device * dev) {
+static int virtio_io_write(struct guest_info * core, uint16_t port, void * src, uint_t length, void * private_data) {
+    struct vm_device * dev = (struct vm_device *)private_data;
     struct virtio_balloon_state * virtio = (struct virtio_balloon_state *)dev->private_data;
     int port_idx = port % virtio->io_range_size;
 
@@ -221,19 +223,19 @@ static int virtio_io_write(uint16_t port, void * src, uint_t length, struct vm_d
                // round up to next page boundary.
                virtio->cur_queue->ring_used_addr = (virtio->cur_queue->ring_used_addr + 0xfff) & ~0xfff;
 
-               if (guest_pa_to_host_va(dev->vm, virtio->cur_queue->ring_desc_addr, (addr_t *)&(virtio->cur_queue->desc)) == -1) {
+               if (guest_pa_to_host_va(core, virtio->cur_queue->ring_desc_addr, (addr_t *)&(virtio->cur_queue->desc)) == -1) {
                    PrintError("Could not translate ring descriptor address\n");
                    return -1;
                }
 
 
-               if (guest_pa_to_host_va(dev->vm, virtio->cur_queue->ring_avail_addr, (addr_t *)&(virtio->cur_queue->avail)) == -1) {
+               if (guest_pa_to_host_va(core, virtio->cur_queue->ring_avail_addr, (addr_t *)&(virtio->cur_queue->avail)) == -1) {
                    PrintError("Could not translate ring available address\n");
                    return -1;
                }
 
 
-               if (guest_pa_to_host_va(dev->vm, virtio->cur_queue->ring_used_addr, (addr_t *)&(virtio->cur_queue->used)) == -1) {
+               if (guest_pa_to_host_va(core, virtio->cur_queue->ring_used_addr, (addr_t *)&(virtio->cur_queue->used)) == -1) {
                    PrintError("Could not translate ring used address\n");
                    return -1;
                }
@@ -265,7 +267,7 @@ static int virtio_io_write(uint16_t port, void * src, uint_t length, struct vm_d
            break;
        case VRING_Q_NOTIFY_PORT:
            PrintDebug("Handling Kick\n");
-           if (handle_kick(dev) == -1) {
+           if (handle_kick(core, dev) == -1) {
                PrintError("Could not handle Balloon Notification\n");
                return -1;
            }
@@ -292,7 +294,8 @@ static int virtio_io_write(uint16_t port, void * src, uint_t length, struct vm_d
 }
 
 
-static int virtio_io_read(uint16_t port, void * dst, uint_t length, struct vm_device * dev) {
+static int virtio_io_read(struct guest_info * core, uint16_t port, void * dst, uint_t length, void * private_data) {
+    struct vm_device * dev = (struct vm_device *)private_data;
     struct virtio_balloon_state * virtio = (struct virtio_balloon_state *)dev->private_data;
     int port_idx = port % virtio->io_range_size;
 
@@ -413,10 +416,11 @@ static int handle_query_hcall(struct guest_info * info, uint_t hcall_id, void *
 
 
 
-static int virtio_init(struct guest_info * vm, void * cfg_data) {
-    struct vm_device * pci_bus = v3_find_dev(vm, (char *)cfg_data);
+static int virtio_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
+    struct vm_device * pci_bus = v3_find_dev(vm, v3_cfg_val(cfg, "bus"));
     struct virtio_balloon_state * virtio_state = NULL;
     struct pci_device * pci_dev = NULL;
+    char * name = v3_cfg_val(cfg, "name");
 
     PrintDebug("Initializing VIRTIO Balloon device\n");
 
@@ -430,9 +434,9 @@ static int virtio_init(struct guest_info * vm, void * cfg_data) {
     memset(virtio_state, 0, sizeof(struct virtio_balloon_state));
 
 
-    struct vm_device * dev = v3_allocate_device("LNX_VIRTIO_BALLOON", &dev_ops, virtio_state);
+    struct vm_device * dev = v3_allocate_device(name, &dev_ops, virtio_state);
     if (v3_attach_device(vm, dev) == -1) {
-       PrintError("Could not attach device %s\n", "LNX_VIRTIO_BALLOON");
+       PrintError("Could not attach device %s\n", name);
        return -1;
     }
 
@@ -473,6 +477,8 @@ static int virtio_init(struct guest_info * vm, void * cfg_data) {
 
        bars[0].io_read = virtio_io_read;
        bars[0].io_write = virtio_io_write;
+       bars[0].private_data = dev;
+       
 
        pci_dev = v3_pci_register_device(pci_bus, PCI_STD_DEVICE, 
                                         0, PCI_AUTO_DEV_NUM, 0,