X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmm_dev_mgr.c;h=e872ce7cd1464a1d6ca9b955e02682b0500be49a;hb=f23519733b314e4cbaf0b2f1e4ea317302680898;hp=10c1112c2a2617b2a14732f60333a24a7b5b049f;hpb=db45b5a19f672956e8875a116b06d7ed44c9258c;p=palacios.git diff --git a/palacios/src/palacios/vmm_dev_mgr.c b/palacios/src/palacios/vmm_dev_mgr.c index 10c1112..e872ce7 100644 --- a/palacios/src/palacios/vmm_dev_mgr.c +++ b/palacios/src/palacios/vmm_dev_mgr.c @@ -1,6 +1,21 @@ -/* (c) 2008, Jack Lange */ -/* (c) 2008, The V3VEE Project */ - +/* + * This file is part of the Palacios Virtual Machine Monitor developed + * by the V3VEE Project with funding from the United States National + * Science Foundation and the Department of Energy. + * + * The V3VEE Project is a joint project between Northwestern University + * and the University of New Mexico. You can find out more at + * http://www.v3vee.org + * + * Copyright (c) 2008, Jack Lange + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * This is free software. You are permitted to use, + * redistribute, and modify it as specified in the file "V3VEE_LICENSE". + */ #include #include @@ -9,12 +24,14 @@ #include - -#ifndef NULL -#define NULL 0 +#ifndef DEBUG_DEV_MGR +#undef PrintDebug +#define PrintDebug(fmt, args...) #endif -int dev_mgr_init(struct guest_info * info) { + + +int v3_init_dev_mgr(struct guest_info * info) { struct vmm_dev_mgr * mgr = &(info->dev_mgr); INIT_LIST_HEAD(&(mgr->dev_list)); mgr->num_devs = 0; @@ -22,18 +39,24 @@ int dev_mgr_init(struct guest_info * info) { INIT_LIST_HEAD(&(mgr->io_hooks)); mgr->num_io_hooks = 0; + INIT_LIST_HEAD(&(mgr->mem_hooks)); + mgr->num_mem_hooks = 0; + + INIT_LIST_HEAD(&(mgr->msr_hooks)); + mgr->num_msr_hook = 0; + return 0; } -int dev_mgr_deinit(struct guest_info * info) { +int v3_dev_mgr_deinit(struct guest_info * info) { struct vm_device * dev; struct vmm_dev_mgr * mgr = &(info->dev_mgr); struct vm_device * tmp; list_for_each_entry_safe(dev, tmp, &(mgr->dev_list), dev_link) { v3_unattach_device(dev); - free_device(dev); + v3_free_device(dev); } return 0; @@ -41,49 +64,28 @@ int dev_mgr_deinit(struct guest_info * info) { +int v3_attach_device(struct guest_info * vm, struct vm_device * dev) { + struct vmm_dev_mgr *mgr= &(vm->dev_mgr); + + dev->vm = vm; -static int dev_mgr_add_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) { list_add(&(dev->dev_link), &(mgr->dev_list)); mgr->num_devs++; - return 0; -} - -static int dev_mgr_remove_device(struct vmm_dev_mgr * mgr, struct vm_device * dev) { - list_del(&(dev->dev_link)); - mgr->num_devs--; - - return 0; -} - - - -/* IO HOOKS */ -int dev_mgr_add_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) { - list_add(&(hook->mgr_list), &(mgr->io_hooks)); - mgr->num_io_hooks++; - return 0; -} - - -int dev_mgr_remove_io_hook(struct vmm_dev_mgr * mgr, struct dev_io_hook * hook) { - list_del(&(hook->mgr_list)); - mgr->num_io_hooks--; + dev->ops->init(dev); return 0; } +int v3_unattach_device(struct vm_device * dev) { + struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr); -int dev_add_io_hook(struct vm_device * dev, struct dev_io_hook * hook) { - list_add(&(hook->dev_list), &(dev->io_hooks)); - dev->num_io_hooks++; - return 0; -} + dev->ops->deinit(dev); + list_del(&(dev->dev_link)); + mgr->num_devs--; -int dev_remove_io_hook(struct vm_device * dev, struct dev_io_hook * hook) { - list_del(&(hook->dev_list)); - dev->num_io_hooks--; + dev->vm = NULL; return 0; } @@ -92,8 +94,9 @@ int dev_remove_io_hook(struct vm_device * dev, struct dev_io_hook * hook) { -struct dev_io_hook * dev_mgr_find_io_hook(struct vmm_dev_mgr * mgr, ushort_t port) { - struct dev_io_hook * tmp; +/* IO HOOKS */ +static struct dev_io_hook * dev_mgr_find_io_hook(struct vmm_dev_mgr * mgr, ushort_t port) { + struct dev_io_hook * tmp = NULL; list_for_each_entry(tmp, &(mgr->io_hooks), mgr_list) { if (tmp->port == port) { @@ -103,27 +106,18 @@ struct dev_io_hook * dev_mgr_find_io_hook(struct vmm_dev_mgr * mgr, ushort_t por return NULL; } -struct dev_io_hook * dev_find_io_hook(struct vm_device * dev, ushort_t port) { - struct dev_io_hook * tmp; - list_for_each_entry(tmp, &(dev->io_hooks), dev_list) { - if (tmp->port == port) { - return tmp; - } - } - return NULL; -} - -int dev_hook_io(struct vm_device *dev, - ushort_t port, - int (*read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev), - int (*write)(ushort_t port, void * src, uint_t length, struct vm_device * dev)) { - - struct dev_io_hook *hook = (struct dev_io_hook *)V3_Malloc(sizeof(struct dev_io_hook)); +int v3_dev_hook_io(struct vm_device *dev, + ushort_t port, + int (*read)(ushort_t port, void * dst, uint_t length, struct vm_device * dev), + int (*write)(ushort_t port, void * src, uint_t length, struct vm_device * dev)) { + struct dev_io_hook *hook = (struct dev_io_hook *)V3_Malloc(sizeof(struct dev_io_hook)); + struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr); + if (!hook) { return -1; } @@ -139,8 +133,11 @@ int dev_hook_io(struct vm_device *dev, hook->read = read; hook->write = write; - dev_mgr_add_io_hook(&(dev->vm->dev_mgr), hook); - dev_add_io_hook(dev, hook); + list_add(&(hook->mgr_list), &(mgr->io_hooks)); + mgr->num_io_hooks++; + + list_add(&(hook->dev_list), &(dev->io_hooks)); + dev->num_io_hooks++; } else { return -1; @@ -150,9 +147,8 @@ int dev_hook_io(struct vm_device *dev, } -int dev_unhook_io(struct vm_device *dev, +int v3_dev_unhook_io(struct vm_device *dev, ushort_t port) { - struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr); struct dev_io_hook * hook = dev_mgr_find_io_hook(mgr, port); @@ -160,41 +156,38 @@ int dev_unhook_io(struct vm_device *dev, return -1; } - dev_mgr_remove_io_hook(mgr, hook); - dev_remove_io_hook(dev, hook); + list_del(&(hook->mgr_list)); + mgr->num_io_hooks--; + + list_del(&(hook->dev_list)); + dev->num_io_hooks--; + return v3_unhook_io_port(dev->vm, port); } -int v3_attach_device(struct guest_info * vm, struct vm_device * dev) { - struct vmm_dev_mgr *mgr= &(vm->dev_mgr); - - dev->vm = vm; - dev_mgr_add_device(mgr, dev); - dev->ops->init(dev); - return 0; -} -int v3_unattach_device(struct vm_device * dev) { - struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr); - dev->ops->deinit(dev); - dev_mgr_remove_device(mgr, dev); - dev->vm = NULL; - return 0; -} -int dev_mgr_hook_mem(struct guest_info *vm, - struct vm_device *device, - void *start, - void *end) + + + + + + + +#if 0 +static int dev_mgr_hook_mem(struct guest_info *vm, + struct vm_device *device, + void *start, + void *end) { struct dev_mem_hook * hook = (struct dev_mem_hook*)V3_Malloc(sizeof(struct dev_mem_hook)); @@ -225,9 +218,9 @@ int dev_mgr_hook_mem(struct guest_info *vm, } -int dev_mgr_unhook_mem(struct vm_device *dev, - addr_t start, - addr_t end) { +static int dev_mgr_unhook_mem(struct vm_device *dev, + addr_t start, + addr_t end) { /* struct vmm_dev_mgr * mgr = &(dev->vm->dev_mgr); struct dev_mem_hook *hook = dev_mgr_find_mem_hook(mgr, start, end); @@ -246,10 +239,32 @@ int dev_mgr_unhook_mem(struct vm_device *dev, */ return -1; } +#endif + + + + + + + + + + + + + + + + + + + +#ifdef DEBUG_DEV_MGR + void PrintDebugDevMgr(struct guest_info * info) { struct vmm_dev_mgr * mgr = &(info->dev_mgr); struct vm_device * dev; @@ -280,8 +295,17 @@ void PrintDebugDevIO(struct vm_device * dev) { PrintDebug("IO Hooks(%d) for Device: %s\n", dev->num_io_hooks, dev->name); list_for_each_entry(hook, &(dev->io_hooks), dev_list) { - PrintDebug("\tPort: 0x%x (read=0x%x), (write=0x%x)\n", hook->port, hook->read, hook->write); + PrintDebug("\tPort: 0x%x (read=0x%p), (write=0x%p)\n", hook->port, + (void *)(addr_t)(hook->read), + (void *)(addr_t)(hook->write)); } return; } + +#else +void PrintDebugDevMgr(struct guest_info * info) {} +void PrintDebugDev(struct vm_device * dev) {} +void PrintDebugDevMgrIO(struct vmm_dev_mgr * mgr) {} +void PrintDebugDevIO(struct vm_device * dev) {} +#endif