X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Flnx_virtio_balloon.c;h=de2580789843d1ed2c8ed326d90ee370b936d2e9;hb=596d3c2aa2f0a5360baf1c921e4543f014809b78;hp=c29d9005c606bc0f5d5af6df1e4097c34745f764;hpb=4eb8163fe76127f9748caa43f8ffad1e4d739bb8;p=palacios.git

diff --git a/palacios/src/devices/lnx_virtio_balloon.c b/palacios/src/devices/lnx_virtio_balloon.c
index c29d900..de25807 100644
--- a/palacios/src/devices/lnx_virtio_balloon.c
+++ b/palacios/src/devices/lnx_virtio_balloon.c
@@ -31,8 +31,6 @@
 
 #define PAGE_SIZE 4096
 
-#define BALLOON_START_HCALL 0xba00 // size in rax
-#define BALLOON_QUERY_HCALL 0xba01 // req_pgs in rcx, alloc_pgs in rdx
 
 struct balloon_config {
     uint32_t requested_pages;
@@ -121,7 +119,7 @@ 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 +140,13 @@ 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 (v3_gpa_to_hva(core, tmp_desc->addr_gpa, (addr_t *)&(page_addr)) == -1) {
 		PrintError("Could not translate block header address\n");
 		return -1;
 	    }
@@ -184,7 +183,8 @@ 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 +221,19 @@ 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 (v3_gpa_to_hva(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 (v3_gpa_to_hva(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 (v3_gpa_to_hva(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 +265,7 @@ 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 +292,8 @@ 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 +414,11 @@ 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 * dev_id = v3_cfg_val(cfg, "ID");
 
     PrintDebug("Initializing VIRTIO Balloon device\n");
 
@@ -430,9 +432,9 @@ 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(dev_id, &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", dev_id);
 	return -1;
     }
 
@@ -473,6 +475,8 @@ 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,