4 #include <linux/cdev.h>
5 #include <linux/list.h>
6 #include <linux/sched.h>
7 #include <linux/slab.h>
10 /* Global Control IOCTLs */
11 #define V3_CREATE_GUEST 12
12 #define V3_FREE_GUEST 13
14 #define V3_ADD_MEMORY 50
15 #define V3_RESET_MEMORY 51
17 #define V3_ADD_PCI_HW_DEV 55
18 #define V3_ADD_PCI_USER_DEV 56
20 /* VM Specific IOCTLs */
21 #define V3_VM_CONSOLE_CONNECT 20
22 #define V3_VM_STREAM_CONNECT 21
24 #define V3_VM_PAUSE 23
25 #define V3_VM_CONTINUE 24
27 #define V3_VM_LAUNCH 25
31 #define V3_VM_SIMULATE 29
33 #define V3_VM_INSPECT 30
34 #define V3_VM_DEBUG 31
36 #define V3_VM_MOVE_CORE 33
39 #define V3_VM_RECEIVE 35
41 #define V3_VM_FB_INPUT 257
42 #define V3_VM_FB_QUERY 258
44 #define V3_VM_HOST_DEV_CONNECT 10245
46 #define V3_VM_KSTREAM_USER_CONNECT 11245
50 unsigned long long size;
53 } __attribute__((packed));
55 typedef enum { PREALLOCATED=0, // user space-allocated (e.g. hot remove)
56 REQUESTED, // kernel will attempt allocation (anywhere)
57 REQUESTED32, // kernel will attempt allocation (<4GB)
59 } v3_mem_region_type_t;
61 struct v3_mem_region {
62 v3_mem_region_type_t type; //
63 int node; // numa node for REQUESTED (-1 = any)
64 unsigned long long base_addr; // region start (hpa) for PREALLOCATED
65 unsigned long long num_pages; // size for PREALLOCATED or request size for REQUESTED
66 // should be power of 2 and > V3_CONFIG_MEM_BLOCK
67 } __attribute__((packed));
72 } __attribute__((packed));
74 struct v3_core_move_cmd {
75 unsigned short vcore_id;
76 unsigned short pcore_id;
77 } __attribute__((packed));
79 struct v3_chkpt_info {
81 char url[256]; /* This might need to be bigger... */
82 unsigned long long opts;
83 #define V3_CHKPT_OPT_NONE 0
84 #define V3_CHKPT_OPT_SKIP_MEM 1 // don't write memory to store
85 #define V3_CHKPT_OPT_SKIP_DEVS 2 // don't write devices to store
86 #define V3_CHKPT_OPT_SKIP_CORES 4 // don't write core arch ind data to store
87 #define V3_CHKPT_OPT_SKIP_ARCHDEP 8 // don't write core arch dep data to store
88 } __attribute__((packed));
91 struct v3_hw_pci_dev {
96 } __attribute__((packed));
98 struct v3_user_pci_dev {
100 unsigned short vendor_id;
101 unsigned short dev_id;
102 } __attribute__((packed));
106 void * trace_malloc(size_t size, gfp_t flags);
107 void trace_free(const void * objp);
119 struct rb_root vm_ctrls;
120 struct list_head exts;
126 // For now MAX_VMS must be a multiple of 8
127 // This is due to the minor number bitmap
132 int palacios_vmm_init( char *options );
133 int palacios_vmm_exit( void );
136 // This is how a component finds the proc dir we are using for global state
137 struct proc_dir_entry *palacios_get_procdir(void);
139 // Selected exported stubs, for use in other palacios components, like vnet
140 // The idea is that everything uses the same stubs
141 void palacios_print_scoped(void *vm, int vcore, const char *fmt, ...);
142 #define palacios_print(...) palacios_print_scoped(0,-1, __VA_ARGS__)
143 void *palacios_allocate_pages(int num_pages, unsigned int alignment, int node_id);
144 void palacios_free_pages(void *page_addr, int num_pages);
145 void *palacios_alloc(unsigned int size);
146 void *palacios_alloc_extended(unsigned int size, unsigned int flags);
148 // NEED A palacios_alloc_node wrapper
150 #define palacios_alloc_node_extended(size, flags, node) kmalloc_node(size,flags,node)
151 void palacios_free(void *);
152 void *palacios_valloc(unsigned int size); // use instead of vmalloc
153 void palacios_vfree(void *); // use instead of vfree
154 void *palacios_vaddr_to_paddr(void *vaddr);
155 void *palacios_paddr_to_vaddr(void *paddr);
156 void *palacios_start_kernel_thread(int (*fn)(void * arg), void *arg, char *thread_name);
157 void *palacios_start_thread_on_cpu(int cpu_id, int (*fn)(void * arg), void *arg, char *thread_name);
158 int palacios_move_thread_to_cpu(int new_cpu_id, void *thread_ptr);
159 void palacios_yield_cpu(void);
160 void palacios_yield_cpu_timed(unsigned int us);
161 unsigned int palacios_get_cpu(void);
162 unsigned int palacios_get_cpu_khz(void);
163 void *palacios_mutex_alloc(void); // allocates and inits a lock
164 void palacios_mutex_init(void *mutex); // only inits a lock
165 void palacios_mutex_deinit(void *mutex); // only deinits a lock
166 void palacios_mutex_free(void *mutex); // deinits and frees a lock
167 void palacios_mutex_lock(void *mutex, int must_spin);
168 void palacios_mutex_unlock(void *mutex);
169 void *palacios_mutex_lock_irqsave(void *mutex, int must_spin);
170 void palacios_mutex_unlock_irqrestore(void *mutex, void *flags);
171 // Macros for spin-locks in the module code
172 // By using these macros, the lock checker will be able
173 // to see the module code as well as the core VMM
174 #define palacios_spinlock_init(l) palacios_mutex_init(l)
175 #define palacios_spinlock_deinit(l) palacios_mutex_deinit(l)
176 #define palacios_spinlock_lock(l) palacios_mutex_lock(l,0)
177 #define palacios_spinlock_unlock(l) palacios_mutex_unlock(l)
178 #define palacios_spinlock_lock_irqsave(l,f) do { f=(unsigned long)palacios_mutex_lock_irqsave(l,0); } while (0)
179 #define palacios_spinlock_unlock_irqrestore(l,f) palacios_mutex_unlock_irqrestore(l,(void*)f)
182 // Palacios Printing Support
184 // These macros affect how palacios_print will generate output
185 // Turn this on for unprefaced output from palacios_print
186 #define V3_PRINTK_OLD_STYLE_OUTPUT 0
187 // Maximum length output from palacios_print
188 #define V3_PRINTK_BUF_SIZE 1024
189 // Turn this on to check if new-style output for palacios_print contains only 7-bit chars
190 #define V3_PRINTK_CHECK_7BIT 1
193 // The following macros are for printing in the linux module itself, even before
194 // Palacios is initialized and after it it deinitialized
195 // All printk's in linux_module use these macros, for easier control
196 #define ERROR(fmt, args...) printk((KERN_ERR "palacios (pcore %u) %s(%d): " fmt), palacios_get_cpu(), __FILE__, __LINE__, ##args)
197 #define WARNING(fmt, args...) printk((KERN_WARNING "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
198 #define NOTICE(fmt, args...) printk((KERN_NOTICE "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
199 #define INFO(fmt, args...) printk((KERN_INFO "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
200 #define DEBUG(fmt, args...) printk((KERN_DEBUG "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)