X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fstream.c;h=359b0d4196e4bad5ce900f230c6cee9ce6cf8a6a;hb=ee75afdf55f45c216a5285eb2d6eadd934aac59c;hp=1b0d5c74d9cde3d09057709b5b438e6c99cc88d0;hpb=09a7d3811df9df65346e36419f553a38c8c45c72;p=palacios-OLD.git diff --git a/palacios/src/devices/stream.c b/palacios/src/devices/stream.c index 1b0d5c7..359b0d4 100644 --- a/palacios/src/devices/stream.c +++ b/palacios/src/devices/stream.c @@ -24,40 +24,26 @@ #include #include #include -#include + struct stream_state { - void *stream_in; - void *stream_out; - struct vm_device *frontend_dev; - struct v3_stream_ops stream_ops; + v3_stream_t stream; + + struct v3_dev_char_ops * char_ops; }; -static int stream_read(char *buf, uint_t length, void *private_data) -{ - struct vm_device *dev = (struct vm_device *) private_data; - struct stream_state *state = (struct stream_state *) dev->private_data; - - return V3_StreamRead(state->stream_out,buf,length); -} -static int stream_write(char *buf, uint_t length, void *private_data) + +static int stream_write(uint8_t * buf, uint64_t length, void * private_data) { struct vm_device *dev = (struct vm_device *) private_data; struct stream_state *state = (struct stream_state *) dev->private_data; - return V3_StreamWrite(state->stream_out,buf,length); + return v3_stream_write(state->stream, buf, length); } -static void notify(void * data){ - struct stream_state *state = (struct stream_state *)data; - char temp[1024]; - int len; - - len = V3_StreamRead(state->stream_in, temp, 1024); - state->stream_ops.input(temp, len, state->stream_ops.front_data); -} + static struct v3_device_ops dev_ops = { .free = NULL, @@ -68,35 +54,33 @@ static struct v3_device_ops dev_ops = { static int stream_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) { - v3_cfg_tree_t * frontend_cfg = v3_cfg_subtree(cfg, "frontend"); - const char * frontend_tag = v3_cfg_val(frontend_cfg, "tag"); - struct vm_device * frontend = v3_find_dev(vm, frontend_tag); + // v3_cfg_tree_t * frontend_cfg = v3_cfg_subtree(cfg, "frontend"); char * dev_id = v3_cfg_val(cfg, "ID"); - char * stream_in = v3_cfg_val(cfg, "stream_in"); - char * stream_out = v3_cfg_val(cfg, "stream_out"); - struct stream_state *state; - + char * stream_name = v3_cfg_val(cfg, "stream"); + struct stream_state * state = NULL; - V3_ASSERT(frontend_cfg); - V3_ASSERT(frontend_tag); - V3_ASSERT(frontend); - V3_ASSERT(stream_in); - V3_ASSERT(stream_out); state = (struct stream_state *)V3_Malloc(sizeof(struct stream_state)); + V3_ASSERT(state); - state->frontend_dev = frontend; - state->stream_out = V3_StreamOpen(stream_out, NULL, NULL, STREAM_OPEN_MODE_READ | STREAM_OPEN_MODE_WRITE); - state->stream_in = V3_StreamOpen(stream_in, notify, state, STREAM_OPEN_MODE_READ | STREAM_OPEN_MODE_WRITE); - if (!state->stream_out || !state->stream_in) { - PrintError("Could not open stream %s %s\n", stream_in, stream_out); + + state->stream = v3_stream_open(vm, stream_name); + + if (state->stream == NULL) { + PrintError("Could not open stream %s\n", stream_name); V3_Free(state); return -1; } + + state->char_ops->write = stream_write; - struct vm_device *dev = v3_allocate_device(dev_id, &dev_ops, state); - V3_ASSERT(dev); + struct vm_device * dev = v3_allocate_device(dev_id, &dev_ops, state); + + if (dev == NULL) { + PrintError("Could not allocate device %s\n", dev_id); + return -1; + } if (v3_attach_device(vm, dev) == -1) { PrintError("Could not attach device %s\n", dev_id); @@ -104,10 +88,7 @@ static int stream_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) return -1; } - state->stream_ops.read = stream_read; - state->stream_ops.write = stream_write; - v3_stream_register_serial(frontend, &(state->stream_ops), dev); return 0; }