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
16 #define V3_REMOVE_MEMORY 52
18 #define V3_ADD_PCI_HW_DEV 55
19 #define V3_ADD_PCI_USER_DEV 56
21 #define V3_DVFS_CTRL 60
24 /* VM Specific IOCTLs */
25 #define V3_VM_CONSOLE_CONNECT 20
26 #define V3_VM_STREAM_CONNECT 21
28 #define V3_VM_PAUSE 23
29 #define V3_VM_CONTINUE 24
31 #define V3_VM_LAUNCH 25
35 #define V3_VM_SIMULATE 29
37 #define V3_VM_INSPECT 30
38 #define V3_VM_DEBUG 31
40 #define V3_VM_MOVE_CORE 33
43 #define V3_VM_RECEIVE 35
45 #define V3_VM_MOVE_MEM 36
47 #define V3_VM_RESET 40
49 #define V3_VM_FB_INPUT 257
50 #define V3_VM_FB_QUERY 258
52 #define V3_VM_MEM_TRACK_SIZE 300
53 #define V3_VM_MEM_TRACK_CMD 301
54 #define V3_VM_MEM_TRACK_SNAP 302
56 #define V3_VM_HOST_DEV_CONNECT 10245
58 #define V3_VM_KSTREAM_USER_CONNECT 11245
62 unsigned long long size;
65 } __attribute__((packed));
67 typedef enum { PREALLOCATED=0, // user space-allocated (e.g. hot remove)
68 REQUESTED, // kernel will attempt allocation (anywhere)
69 REQUESTED32, // kernel will attempt allocation (<4GB)
70 } v3_mem_region_type_t;
72 struct v3_mem_region {
73 v3_mem_region_type_t type; //
74 int node; // numa node for REQUESTED (-1 = any)
75 unsigned long long base_addr; // region start (hpa) for PREALLOCATED
76 unsigned long long num_pages; // size for PREALLOCATED or request size for REQUESTED
77 // should be power of 2 and > V3_CONFIG_MEM_BLOCK
78 } __attribute__((packed));
83 } __attribute__((packed));
85 struct v3_core_move_cmd {
86 unsigned short vcore_id;
87 unsigned short pcore_id;
88 } __attribute__((packed));
90 struct v3_mem_move_cmd{
91 unsigned long long gpa;
92 unsigned short pcore_id;
93 } __attribute__((packed));
96 #define V3_RESET_VM_ALL 0
97 #define V3_RESET_VM_HRT 1
98 #define V3_RESET_VM_ROS 2
99 #define V3_RESET_VM_CORE_RANGE 3
101 unsigned int first_core; // for CORE_RANGE
102 unsigned int num_cores; // for CORE_RANGE
103 } __attribute__((packed));
105 struct v3_chkpt_info {
107 char url[256]; /* This might need to be bigger... */
108 unsigned long long opts;
109 #define V3_CHKPT_OPT_NONE 0
110 #define V3_CHKPT_OPT_SKIP_MEM 1 // don't write memory to store
111 #define V3_CHKPT_OPT_SKIP_DEVS 2 // don't write devices to store
112 #define V3_CHKPT_OPT_SKIP_CORES 4 // don't write core arch ind data to store
113 #define V3_CHKPT_OPT_SKIP_ARCHDEP 8 // don't write core arch dep data to store
114 } __attribute__((packed));
117 struct v3_hw_pci_dev {
122 } __attribute__((packed));
124 struct v3_user_pci_dev {
126 unsigned short vendor_id;
127 unsigned short dev_id;
128 } __attribute__((packed));
132 void * trace_malloc(size_t size, gfp_t flags);
133 void trace_free(const void * objp);
145 struct rb_root vm_ctrls;
146 struct list_head exts;
152 // For now MAX_VMS must be a multiple of 8
153 // This is due to the minor number bitmap
155 #define MAX_THREADS (MAX_VMS*64)
158 int palacios_vmm_init( char *options );
159 int palacios_vmm_exit( void );
162 // This is how a component finds the proc dir we are using for global state
163 struct proc_dir_entry *palacios_get_procdir(void);
165 struct v3_resource_control;
167 // Selected exported stubs, for use in other palacios components, like vnet
168 // The idea is that everything uses the same stubs
169 void palacios_print_scoped(void *vm, int vcore, const char *fmt, ...);
170 #define palacios_print(...) palacios_print_scoped(0,-1, __VA_ARGS__)
171 // node_id=-1 => no node constraint
172 void *palacios_allocate_pages(int num_pages, unsigned int alignment, int node_id, int (*filter_func)(void *paddr, void *filter_state), void *filter_state);
173 void palacios_free_pages(void *page_addr, int num_pages);
174 void *palacios_alloc(unsigned int size);
175 // node_id=-1 => no node constraint
176 void *palacios_alloc_extended(unsigned int size, unsigned int flags, int node_id);
177 void palacios_free(void *);
178 void *palacios_valloc(unsigned int size); // use instead of vmalloc
179 void palacios_vfree(void *); // use instead of vfree
180 void *palacios_vaddr_to_paddr(void *vaddr);
181 void *palacios_paddr_to_vaddr(void *paddr);
182 void palacios_xcall(int cpu_id, void (*fn)(void *arg), void *arg);
183 void *palacios_create_and_start_kernel_thread(int (*fn)(void * arg), void *arg, char *thread_name, struct v3_resource_control *rc);
184 void *palacios_create_thread_on_cpu(int cpu_id, int (*fn)(void * arg), void *arg, char *thread_name, struct v3_resource_control *rc);
185 void palacios_start_thread(void *thread_ptr);
186 void *palacios_creeate_and_start_thread_on_cpu(int cpu_id, int (*fn)(void * arg), void *arg, char *thread_name, struct v3_resource_control *rc);
187 int palacios_move_thread_to_cpu(int new_cpu_id, void *thread_ptr);
188 void palacios_yield_cpu(void);
189 void palacios_sleep_cpu(unsigned int us);
190 unsigned int palacios_get_cpu(void);
191 unsigned int palacios_get_cpu_khz(void);
192 void palacios_used_fpu(void);
193 void palacios_need_fpu(void);
194 void *palacios_mutex_alloc(void); // allocates and inits a lock
195 void palacios_mutex_init(void *mutex); // only inits a lock
196 void palacios_mutex_deinit(void *mutex); // only deinits a lock
197 void palacios_mutex_free(void *mutex); // deinits and frees a lock
198 void palacios_mutex_lock(void *mutex, int must_spin);
199 void palacios_mutex_unlock(void *mutex);
200 void *palacios_mutex_lock_irqsave(void *mutex, int must_spin);
201 void palacios_mutex_unlock_irqrestore(void *mutex, void *flags);
202 // Macros for spin-locks in the module code
203 // By using these macros, the lock checker will be able
204 // to see the module code as well as the core VMM
205 #define palacios_spinlock_init(l) palacios_mutex_init(l)
206 #define palacios_spinlock_deinit(l) palacios_mutex_deinit(l)
207 #define palacios_spinlock_lock(l) palacios_mutex_lock(l,0)
208 #define palacios_spinlock_unlock(l) palacios_mutex_unlock(l)
209 #define palacios_spinlock_lock_irqsave(l,f) do { f=(unsigned long)palacios_mutex_lock_irqsave(l,0); } while (0)
210 #define palacios_spinlock_unlock_irqrestore(l,f) palacios_mutex_unlock_irqrestore(l,(void*)f)
213 // Palacios Printing Support
215 // These macros affect how palacios_print will generate output
216 // Turn this on for unprefaced output from palacios_print
217 #define V3_PRINTK_OLD_STYLE_OUTPUT 0
218 // Maximum length output from palacios_print
219 #define V3_PRINTK_BUF_SIZE 1024
220 // Turn this on to check if new-style output for palacios_print contains only 7-bit chars
221 #define V3_PRINTK_CHECK_7BIT 1
224 // The following macros are for printing in the linux module itself, even before
225 // Palacios is initialized and after it it deinitialized
226 // All printk's in linux_module use these macros, for easier control
227 #define ERROR(fmt, args...) printk((KERN_ERR "palacios (pcore %u) %s(%d): " fmt), palacios_get_cpu(), __FILE__, __LINE__, ##args)
228 #define WARNING(fmt, args...) printk((KERN_WARNING "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
229 #define NOTICE(fmt, args...) printk((KERN_NOTICE "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
230 #define INFO(fmt, args...) printk((KERN_INFO "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
231 #define DEBUG(fmt, args...) printk((KERN_DEBUG "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)