X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fdisk_model.c;h=2c192f941cf59bf9a4b546516c3b05ecad57c1fd;hb=f2474c56a820b000ed444cb31c487d67aaf212c5;hp=75f4526ad18c19dac8cca83c3c1e7e933ed870eb;hpb=7021908ce7f63df7c8a9e8e007471d8df96aa1b6;p=palacios.git diff --git a/palacios/src/devices/disk_model.c b/palacios/src/devices/disk_model.c index 75f4526..2c192f9 100644 --- a/palacios/src/devices/disk_model.c +++ b/palacios/src/devices/disk_model.c @@ -19,7 +19,6 @@ #include #include -#include #include @@ -59,8 +58,12 @@ static uint64_t model_get_capacity(void * private_data) { return model->ops->get_capacity(model->private_data); } -static int model_free(struct vm_device * dev) { - return -1; +static int model_free(struct disk_state * model) { + + // unhook from frontend + + V3_Free(model); + return 0; } @@ -74,14 +77,11 @@ static struct v3_dev_blk_ops blk_ops = { static struct v3_device_ops dev_ops = { - .free = model_free, - .reset = NULL, - .start = NULL, - .stop = NULL, + .free = (int (*)(void *))model_free, }; -static int connect_fn(struct guest_info * info, +static int connect_fn(struct v3_vm_info * vm, void * frontend_data, struct v3_dev_blk_ops * ops, v3_cfg_tree_t * cfg, @@ -91,14 +91,18 @@ static int connect_fn(struct guest_info * info, uint32_t seek_time = atoi(v3_cfg_val(cfg, "seek_us")); struct disk_state * model = (struct disk_state *)V3_Malloc(sizeof(struct disk_state)); + if (!model) { + PrintError(vm, VCORE_NONE, "Cannot allocate\n"); + return -1; + } model->ops = ops; model->seek_usecs = seek_time; model->private_data = private_data; - if (v3_dev_connect_blk(info, v3_cfg_val(frontend_cfg, "tag"), + if (v3_dev_connect_blk(vm, v3_cfg_val(frontend_cfg, "tag"), &blk_ops, frontend_cfg, model) == -1) { - PrintError("Could not connect to frontend %s\n", + PrintError(vm, VCORE_NONE, "Could not connect to frontend %s\n", v3_cfg_val(frontend_cfg, "tag")); return -1; } @@ -106,19 +110,20 @@ static int connect_fn(struct guest_info * info, return 0; } -static int model_init(struct guest_info * vm, v3_cfg_tree_t * cfg) { +static int model_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { - char * name = v3_cfg_val(cfg, "name"); + char * dev_id = v3_cfg_val(cfg, "ID"); - struct vm_device * dev = v3_allocate_device(name, &dev_ops, NULL); + struct vm_device * dev = v3_add_device(vm, dev_id, &dev_ops, NULL); - if (v3_attach_device(vm, dev) == -1) { - PrintError("Could not attach device %s\n", name); + if (dev == NULL) { + PrintError(vm, VCORE_NONE, "Could not attach device %s\n", dev_id); return -1; } - if (v3_dev_add_blk_frontend(vm, name, connect_fn, NULL) == -1) { - PrintError("Could not register %s as block frontend\n", name); + if (v3_dev_add_blk_frontend(vm, dev_id, connect_fn, NULL) == -1) { + PrintError(vm, VCORE_NONE, "Could not register %s as block frontend\n", dev_id); + v3_remove_device(dev); return -1; }