X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_dev_mgr.c;h=0904ea1263c3583646dfd58fb35dd2e8a1b60f19;hb=4d1d8fadad33de7d3ebce2083d9782048f78b44e;hp=183e906e5e03a3fbe30d7c545d7008e2ca6b77ee;hpb=54be7fbb6b41d1241ad563a7135cdb28be73ff82;p=palacios.git diff --git a/palacios/src/palacios/vmm_dev_mgr.c b/palacios/src/palacios/vmm_dev_mgr.c index 183e906..0904ea1 100644 --- a/palacios/src/palacios/vmm_dev_mgr.c +++ b/palacios/src/palacios/vmm_dev_mgr.c @@ -60,28 +60,28 @@ int V3_init_devices() { #ifdef V3_CONFIG_DEBUG_DEV_MGR { int num_devices = (__stop__v3_devices - __start__v3_devices) / sizeof(struct v3_device_info); - PrintDebug("%d Virtual devices registered with Palacios\n", num_devices); + PrintDebug(VM_NONE, VCORE_NONE, "%d Virtual devices registered with Palacios\n", num_devices); } #endif - PrintDebug("Start addres=%p, Stop address=%p\n", __start__v3_devices, __stop__v3_devices); + PrintDebug(VM_NONE, VCORE_NONE, "Start addres=%p, Stop address=%p\n", __start__v3_devices, __stop__v3_devices); master_dev_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn); while (tmp_dev != __stop__v3_devices) { - V3_Print("Registering Device: %s\n", tmp_dev->name); + V3_Print(VM_NONE, VCORE_NONE, "Registering Device: %s\n", tmp_dev->name); if (v3_htable_search(master_dev_table, (addr_t)(tmp_dev->name))) { - PrintError("Multiple instance of device (%s)\n", tmp_dev->name); + PrintError(VM_NONE, VCORE_NONE, "Multiple instance of device (%s)\n", tmp_dev->name); return -1; } if (v3_htable_insert(master_dev_table, (addr_t)(tmp_dev->name), (addr_t)(tmp_dev->init)) == 0) { - PrintError("Could not add device %s to master list\n", tmp_dev->name); + PrintError(VM_NONE, VCORE_NONE, "Could not add device %s to master list\n", tmp_dev->name); return -1; } @@ -94,7 +94,10 @@ int V3_init_devices() { int V3_deinit_devices() { - v3_free_htable(master_dev_table, 0, 0); + if (master_dev_table) { + v3_free_htable(master_dev_table, 0, 0); + master_dev_table=0; + } return 0; } @@ -116,7 +119,9 @@ int v3_init_dev_mgr(struct v3_vm_info * vm) { mgr->net_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn); mgr->char_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn); mgr->cons_table = v3_create_htable(0, dev_hash_fn, dev_eq_fn); - + + mgr->inited = 1; + return 0; } @@ -126,8 +131,10 @@ int v3_free_vm_devices(struct v3_vm_info * vm) { struct vm_device * dev; struct vm_device * tmp; - list_for_each_entry_safe(dev, tmp, &(mgr->dev_list), dev_link) { - v3_remove_device(dev); + if (mgr && mgr->num_devs > 0) { + list_for_each_entry_safe(dev, tmp, &(mgr->dev_list), dev_link) { + v3_remove_device(dev); + } } return 0; @@ -148,7 +155,7 @@ int v3_save_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { name_table = V3_Malloc(table_len); if (!name_table) { - PrintError("Unable to allocate space in device manager save\n"); + PrintError(vm, VCORE_NONE, "Unable to allocate space in device manager save\n"); return -1; } @@ -157,7 +164,7 @@ int v3_save_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { dev_mgr_ctx = v3_chkpt_open_ctx(chkpt, "devices"); if (!dev_mgr_ctx) { - PrintError("Unable to open device manager context\n"); + PrintError(vm, VCORE_NONE,"Unable to open device manager context\n"); V3_Free(name_table); return -1; } @@ -168,19 +175,19 @@ int v3_save_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { tbl_offset += V3_MAX_DEVICE_NAME; num_saved_devs++; } else { - PrintDebug("Skipping device %s\n"); + PrintDebug(vm, VCORE_NONE, "Skipping device %s\n", dev->name); } } if (v3_chkpt_save(dev_mgr_ctx, "num_devs", 4, &num_saved_devs) == -1) { - PrintError("Unable to store num_devs\n"); + PrintError(vm, VCORE_NONE,"Unable to store num_devs\n"); v3_chkpt_close_ctx(dev_mgr_ctx); V3_Free(name_table); return -1; } if (v3_chkpt_save(dev_mgr_ctx, "names", num_saved_devs*V3_MAX_DEVICE_NAME, name_table) == -1) { - PrintError("Unable to store names of devices\n"); + PrintError(vm, VCORE_NONE,"Unable to store names of devices\n"); v3_chkpt_close_ctx(dev_mgr_ctx); V3_Free(name_table); return -1; @@ -194,10 +201,10 @@ int v3_save_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { if (dev->ops->save_extended) { - V3_Print("Saving state for device (%s) using extended interface\n",dev->name); + V3_Print(vm, VCORE_NONE,"Saving state for device (%s) using extended interface\n",dev->name); if (dev->ops->save_extended(chkpt,dev->name,dev->private_data)) { - PrintError("Unable to save device %s\n",dev->name); + PrintError(vm, VCORE_NONE,"Unable to save device %s\n",dev->name); return -1; } @@ -205,17 +212,17 @@ int v3_save_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { struct v3_chkpt_ctx * dev_ctx = NULL; - V3_Print("Saving state for device (%s)\n", dev->name); + V3_Print(vm, VCORE_NONE,"Saving state for device (%s)\n", dev->name); dev_ctx = v3_chkpt_open_ctx(chkpt, dev->name); if (!dev_ctx) { - PrintError("Unable to open context for device %s\n",dev->name); + PrintError(vm, VCORE_NONE,"Unable to open context for device %s\n",dev->name); return -1; } if (dev->ops->save(dev_ctx, dev->private_data)) { - PrintError("Unable t save device %s\n",dev->name); + PrintError(vm, VCORE_NONE,"Unable t save device %s\n",dev->name); v3_chkpt_close_ctx(dev_ctx); return -1; } @@ -223,7 +230,7 @@ int v3_save_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { v3_chkpt_close_ctx(dev_ctx); } else { - PrintError("Error: %s save() not implemented\n", dev->name); + PrintError(vm, VCORE_NONE,"Error: %s save() not implemented\n", dev->name); } } @@ -241,28 +248,28 @@ int v3_load_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { dev_mgr_ctx = v3_chkpt_open_ctx(chkpt, "devices"); if (!dev_mgr_ctx) { - PrintError("Unable to open devices for load\n"); + PrintError(vm, VCORE_NONE,"Unable to open devices for load\n"); return -1; } if (v3_chkpt_load(dev_mgr_ctx, "num_devs", 4, &num_devs) == -1) { - PrintError("Unable to load num_devs\n"); + PrintError(vm, VCORE_NONE,"Unable to load num_devs\n"); v3_chkpt_close_ctx(dev_mgr_ctx); return -1; } - V3_Print("Loading State for %d devices\n", num_devs); + V3_Print(vm, VCORE_NONE,"Loading State for %d devices\n", num_devs); name_table = V3_Malloc(V3_MAX_DEVICE_NAME * num_devs); if (!name_table) { - PrintError("Unable to allocate space for device table\n"); + PrintError(vm, VCORE_NONE,"Unable to allocate space for device table\n"); v3_chkpt_close_ctx(dev_mgr_ctx); return -1; } if (v3_chkpt_load(dev_mgr_ctx, "names", V3_MAX_DEVICE_NAME * num_devs, name_table) == -1) { - PrintError("Unable to load device name table\n"); + PrintError(vm, VCORE_NONE,"Unable to load device name table\n"); v3_chkpt_close_ctx(dev_mgr_ctx); V3_Free(name_table); } @@ -275,16 +282,16 @@ int v3_load_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { dev = v3_find_dev(vm, name); if (!dev) { - PrintError("Tried to load state into non existant device: %s\n", name); + PrintError(vm, VCORE_NONE,"Tried to load state into non existant device: %s\n", name); return -1; } if (dev->ops->load_extended) { - V3_Print("Loading state for device (%s) using extended interface\n",name); + V3_Print(vm, VCORE_NONE,"Loading state for device (%s) using extended interface\n",name); if (dev->ops->load_extended(chkpt,name,dev->private_data)) { - PrintError("Load of device %s failed\n",name); + PrintError(vm, VCORE_NONE,"Load of device %s failed\n",name); return -1; } @@ -293,12 +300,12 @@ int v3_load_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { dev_ctx = v3_chkpt_open_ctx(chkpt, name); if (!dev_ctx) { - PrintError("Error missing device context (%s)\n", name); + PrintError(vm, VCORE_NONE,"Error missing device context (%s)\n", name); return -1; } if (dev->ops->load(dev_ctx, dev->private_data)) { - PrintError("Load of device %s failed\n",name); + PrintError(vm, VCORE_NONE,"Load of device %s failed\n",name); v3_chkpt_close_ctx(dev_ctx); return -1; } @@ -307,7 +314,7 @@ int v3_load_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { v3_chkpt_close_ctx(dev_ctx); } else { - PrintError("Error Device (%s) does not support load operation\n", name); + PrintError(vm, VCORE_NONE,"Error Device (%s) does not support load operation\n", name); // this is OK } } @@ -323,13 +330,25 @@ int v3_load_vm_devices(struct v3_vm_info * vm, struct v3_chkpt * chkpt) { static int free_frontends(struct v3_vm_info * vm, struct vmm_dev_mgr * mgr); int v3_deinit_dev_mgr(struct v3_vm_info * vm) { - struct vmm_dev_mgr * mgr = &(vm->dev_mgr); - + struct vmm_dev_mgr * mgr=0; + + if (vm) { + mgr = &(vm->dev_mgr); + if (!mgr->inited) { + return 0; + } + } else { + return 0; + } + // clear frontend lists free_frontends(vm, mgr); - v3_free_htable(mgr->dev_table, 0, 0); + if (mgr->dev_table) { + v3_free_htable(mgr->dev_table, 0, 0); + mgr->dev_table=0; + } return 0; } @@ -342,13 +361,13 @@ int v3_create_device(struct v3_vm_info * vm, const char * dev_name, v3_cfg_tree_ dev_init = (void *)v3_htable_search(master_dev_table, (addr_t)dev_name); if (dev_init == NULL) { - PrintError("Could not find device %s in master device table\n", dev_name); + PrintError(vm, VCORE_NONE,"Could not find device %s in master device table\n", dev_name); return -1; } if (dev_init(vm, cfg) == -1) { - PrintError("Could not initialize Device %s\n", dev_name); + PrintError(vm, VCORE_NONE,"Could not initialize Device %s\n", dev_name); return -1; } @@ -390,7 +409,7 @@ static int add_resource(struct vm_device * dev, dev_rsrc_type_t type, uint64_t r resource = V3_Malloc(sizeof(struct dev_rsrc)); if (resource == NULL) { - PrintError("Error: Could not allocate device resource\n"); + PrintError(VM_NONE, VCORE_NONE,"Error: Could not allocate device resource\n"); return -1; } @@ -436,7 +455,7 @@ int v3_dev_hook_io(struct vm_device * dev, uint16_t port, if (add_resource(dev, DEV_IO_HOOK, port) == -1) { v3_unhook_io_port(dev->vm, port); - PrintError("Could not allocate io hook dev state\n"); + PrintError(dev->vm, VCORE_NONE,"Could not allocate io hook dev state\n"); return -1; } @@ -502,7 +521,7 @@ int v3_remove_device(struct vm_device * dev) { if (dev->ops->free) { dev->ops->free(dev->private_data); } else { - PrintError("Error: %s free() not implemented\n", dev->name); + PrintError(VM_NONE, VCORE_NONE,"Error: %s free() not implemented\n", dev->name); } list_del(&(dev->dev_link)); @@ -525,14 +544,14 @@ struct vm_device * v3_add_device(struct v3_vm_info * vm, // Check if we already registered a device of the same name if (v3_htable_search(mgr->dev_table, (addr_t)name) != (addr_t)NULL) { - PrintError("Device with name (%s) already registered with VM\n", name); + PrintError(vm, VCORE_NONE,"Device with name (%s) already registered with VM\n", name); return NULL; } dev = (struct vm_device *)V3_Malloc(sizeof(struct vm_device)); if (dev == NULL) { - PrintError("Cannot allocate in adding a device\n"); + PrintError(vm, VCORE_NONE,"Cannot allocate in adding a device\n"); return NULL; } @@ -557,10 +576,10 @@ void v3_print_dev_mgr(struct v3_vm_info * vm) { struct vmm_dev_mgr * mgr = &(vm->dev_mgr); struct vm_device * dev; - V3_Print("%d devices registered with manager\n", mgr->num_devs); + V3_Print(vm, VCORE_NONE,"%d devices registered with manager\n", mgr->num_devs); list_for_each_entry(dev, &(mgr->dev_list), dev_link) { - V3_Print("Device: %s\n", dev->name); + V3_Print(vm, VCORE_NONE,"Device: %s\n", dev->name); } return; @@ -598,7 +617,7 @@ int v3_dev_add_blk_frontend(struct v3_vm_info * vm, frontend = (struct blk_frontend *)V3_Malloc(sizeof(struct blk_frontend)); if (!frontend) { - PrintError("Cannot allocate in adding a block front end\n"); + PrintError(vm, VCORE_NONE,"Cannot allocate in adding a block front end\n"); return -1; } @@ -625,12 +644,12 @@ int v3_dev_connect_blk(struct v3_vm_info * vm, (addr_t)frontend_name); if (frontend == NULL) { - PrintError("Could not find frontend blk device %s\n", frontend_name); + PrintError(vm, VCORE_NONE,"Could not find frontend blk device %s\n", frontend_name); return 0; } if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) { - PrintError("Error connecting to block frontend %s\n", frontend_name); + PrintError(vm, VCORE_NONE,"Error connecting to block frontend %s\n", frontend_name); return -1; } @@ -667,7 +686,7 @@ int v3_dev_add_net_frontend(struct v3_vm_info * vm, frontend = (struct net_frontend *)V3_Malloc(sizeof(struct net_frontend)); if (!frontend) { - PrintError("Cannot allocate in adding a net front end\n"); + PrintError(vm, VCORE_NONE,"Cannot allocate in adding a net front end\n"); return -1; } @@ -695,12 +714,12 @@ int v3_dev_connect_net(struct v3_vm_info * vm, (addr_t)frontend_name); if (frontend == NULL) { - PrintError("Could not find frontend net device %s\n", frontend_name); + PrintError(vm, VCORE_NONE,"Could not find frontend net device %s\n", frontend_name); return 0; } if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) { - PrintError("Error connecting to net frontend %s\n", frontend_name); + PrintError(vm, VCORE_NONE,"Error connecting to net frontend %s\n", frontend_name); return -1; } @@ -735,7 +754,7 @@ int v3_dev_add_console_frontend(struct v3_vm_info * vm, frontend = (struct cons_frontend *)V3_Malloc(sizeof(struct cons_frontend)); if (!frontend) { - PrintError("Cannot allocate in adding a console front end\n"); + PrintError(vm, VCORE_NONE,"Cannot allocate in adding a console front end\n"); return -1; } @@ -763,12 +782,12 @@ int v3_dev_connect_console(struct v3_vm_info * vm, (addr_t)frontend_name); if (frontend == NULL) { - PrintError("Could not find frontend console device %s\n", frontend_name); + PrintError(vm, VCORE_NONE,"Could not find frontend console device %s\n", frontend_name); return 0; } if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data) == -1) { - PrintError("Error connecting to console frontend %s\n", frontend_name); + PrintError(vm, VCORE_NONE,"Error connecting to console frontend %s\n", frontend_name); return -1; } @@ -804,7 +823,7 @@ int v3_dev_add_char_frontend(struct v3_vm_info * vm, frontend = (struct char_frontend *)V3_Malloc(sizeof(struct char_frontend)); if (!frontend) { - PrintError("Cannot allocate in adding a char front end\n"); + PrintError(vm, VCORE_NONE,"Cannot allocate in adding a char front end\n"); return -1; } @@ -833,12 +852,12 @@ int v3_dev_connect_char(struct v3_vm_info * vm, (addr_t)frontend_name); if (frontend == NULL) { - PrintError("Could not find frontend char device %s\n", frontend_name); + PrintError(vm, VCORE_NONE,"Could not find frontend char device %s\n", frontend_name); return 0; } if (frontend->connect(vm, frontend->priv_data, ops, cfg, private_data, push_fn_arg) == -1) { - PrintError("Error connecting to char frontend %s\n", frontend_name); + PrintError(vm, VCORE_NONE,"Error connecting to char frontend %s\n", frontend_name); return -1; } @@ -858,7 +877,7 @@ static int free_frontends(struct v3_vm_info * vm, struct vmm_dev_mgr * mgr) { struct blk_frontend * tmp_blk = NULL; - + list_for_each_entry_safe(chr, tmp_chr, &(mgr->char_list), char_node) { list_del(&(chr->char_node)); V3_Free(chr); @@ -887,3 +906,21 @@ static int free_frontends(struct v3_vm_info * vm, struct vmm_dev_mgr * mgr) { return 0; } + +int v3_attach_device(struct v3_vm_info * vm, struct vm_device * dev) +{ + PrintError(vm, VCORE_NONE, "v3_attach_device is deprecated and no longer works\n"); + return -1; +} + +int v3_detach_device(struct vm_device * dev) +{ + PrintError(VM_NONE, VCORE_NONE, "v3_detach_device is deprecated and no longer works\n"); + return -1; +} + +struct vm_device * v3_allocate_device(char * name, struct v3_device_ops * ops, void * private_data) +{ + PrintError(VM_NONE, VCORE_NONE, "v3_allocate_device is deprecated and no longer works\n"); + return 0; +}