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 /* VM Specific IOCTLs */
22 #define V3_VM_CONSOLE_CONNECT 20
23 #define V3_VM_STREAM_CONNECT 21
25 #define V3_VM_PAUSE 23
26 #define V3_VM_CONTINUE 24
28 #define V3_VM_LAUNCH 25
32 #define V3_VM_SIMULATE 29
34 #define V3_VM_INSPECT 30
35 #define V3_VM_DEBUG 31
37 #define V3_VM_MOVE_CORE 33
40 #define V3_VM_RECEIVE 35
42 #define V3_VM_MOVE_MEM 36
44 #define V3_VM_FB_INPUT 257
45 #define V3_VM_FB_QUERY 258
47 #define V3_VM_MEM_TRACK_SIZE 300
48 #define V3_VM_MEM_TRACK_CMD 301
49 #define V3_VM_MEM_TRACK_SNAP 302
51 #define V3_VM_HOST_DEV_CONNECT 10245
53 #define V3_VM_KSTREAM_USER_CONNECT 11245
57 unsigned long long size;
60 } __attribute__((packed));
62 typedef enum { PREALLOCATED=0, // user space-allocated (e.g. hot remove)
63 REQUESTED, // kernel will attempt allocation (anywhere)
64 REQUESTED32, // kernel will attempt allocation (<4GB)
66 } v3_mem_region_type_t;
68 struct v3_mem_region {
69 v3_mem_region_type_t type; //
70 int node; // numa node for REQUESTED (-1 = any)
71 unsigned long long base_addr; // region start (hpa) for PREALLOCATED
72 unsigned long long num_pages; // size for PREALLOCATED or request size for REQUESTED
73 // should be power of 2 and > V3_CONFIG_MEM_BLOCK
74 } __attribute__((packed));
79 } __attribute__((packed));
81 struct v3_core_move_cmd {
82 unsigned short vcore_id;
83 unsigned short pcore_id;
84 } __attribute__((packed));
86 struct v3_mem_move_cmd{
87 unsigned long long gpa;
88 unsigned short pcore_id;
89 } __attribute__((packed));
91 struct v3_chkpt_info {
93 char url[256]; /* This might need to be bigger... */
94 unsigned long long opts;
95 #define V3_CHKPT_OPT_NONE 0
96 #define V3_CHKPT_OPT_SKIP_MEM 1 // don't write memory to store
97 #define V3_CHKPT_OPT_SKIP_DEVS 2 // don't write devices to store
98 #define V3_CHKPT_OPT_SKIP_CORES 4 // don't write core arch ind data to store
99 #define V3_CHKPT_OPT_SKIP_ARCHDEP 8 // don't write core arch dep data to store
100 } __attribute__((packed));
103 struct v3_hw_pci_dev {
108 } __attribute__((packed));
110 struct v3_user_pci_dev {
112 unsigned short vendor_id;
113 unsigned short dev_id;
114 } __attribute__((packed));
118 void * trace_malloc(size_t size, gfp_t flags);
119 void trace_free(const void * objp);
131 struct rb_root vm_ctrls;
132 struct list_head exts;
138 // For now MAX_VMS must be a multiple of 8
139 // This is due to the minor number bitmap
144 int palacios_vmm_init( char *options );
145 int palacios_vmm_exit( void );
148 // This is how a component finds the proc dir we are using for global state
149 struct proc_dir_entry *palacios_get_procdir(void);
151 // Selected exported stubs, for use in other palacios components, like vnet
152 // The idea is that everything uses the same stubs
153 void palacios_print_scoped(void *vm, int vcore, const char *fmt, ...);
154 #define palacios_print(...) palacios_print_scoped(0,-1, __VA_ARGS__)
155 // node_id=-1 => no node constraint
156 void *palacios_allocate_pages(int num_pages, unsigned int alignment, int node_id, int constraints);
157 void palacios_free_pages(void *page_addr, int num_pages);
158 void *palacios_alloc(unsigned int size);
159 // node_id=-1 => no node constraint
160 void *palacios_alloc_extended(unsigned int size, unsigned int flags, int node_id);
161 void palacios_free(void *);
162 void *palacios_valloc(unsigned int size); // use instead of vmalloc
163 void palacios_vfree(void *); // use instead of vfree
164 void *palacios_vaddr_to_paddr(void *vaddr);
165 void *palacios_paddr_to_vaddr(void *paddr);
166 void *palacios_start_kernel_thread(int (*fn)(void * arg), void *arg, char *thread_name);
167 void *palacios_start_thread_on_cpu(int cpu_id, int (*fn)(void * arg), void *arg, char *thread_name);
168 int palacios_move_thread_to_cpu(int new_cpu_id, void *thread_ptr);
169 void palacios_yield_cpu(void);
170 void palacios_sleep_cpu(unsigned int us);
171 unsigned int palacios_get_cpu(void);
172 unsigned int palacios_get_cpu_khz(void);
173 void palacios_used_fpu(void);
174 void palacios_need_fpu(void);
175 void *palacios_mutex_alloc(void); // allocates and inits a lock
176 void palacios_mutex_init(void *mutex); // only inits a lock
177 void palacios_mutex_deinit(void *mutex); // only deinits a lock
178 void palacios_mutex_free(void *mutex); // deinits and frees a lock
179 void palacios_mutex_lock(void *mutex, int must_spin);
180 void palacios_mutex_unlock(void *mutex);
181 void *palacios_mutex_lock_irqsave(void *mutex, int must_spin);
182 void palacios_mutex_unlock_irqrestore(void *mutex, void *flags);
183 // Macros for spin-locks in the module code
184 // By using these macros, the lock checker will be able
185 // to see the module code as well as the core VMM
186 #define palacios_spinlock_init(l) palacios_mutex_init(l)
187 #define palacios_spinlock_deinit(l) palacios_mutex_deinit(l)
188 #define palacios_spinlock_lock(l) palacios_mutex_lock(l,0)
189 #define palacios_spinlock_unlock(l) palacios_mutex_unlock(l)
190 #define palacios_spinlock_lock_irqsave(l,f) do { f=(unsigned long)palacios_mutex_lock_irqsave(l,0); } while (0)
191 #define palacios_spinlock_unlock_irqrestore(l,f) palacios_mutex_unlock_irqrestore(l,(void*)f)
194 // Palacios Printing Support
196 // These macros affect how palacios_print will generate output
197 // Turn this on for unprefaced output from palacios_print
198 #define V3_PRINTK_OLD_STYLE_OUTPUT 0
199 // Maximum length output from palacios_print
200 #define V3_PRINTK_BUF_SIZE 1024
201 // Turn this on to check if new-style output for palacios_print contains only 7-bit chars
202 #define V3_PRINTK_CHECK_7BIT 1
205 // The following macros are for printing in the linux module itself, even before
206 // Palacios is initialized and after it it deinitialized
207 // All printk's in linux_module use these macros, for easier control
208 #define ERROR(fmt, args...) printk((KERN_ERR "palacios (pcore %u) %s(%d): " fmt), palacios_get_cpu(), __FILE__, __LINE__, ##args)
209 #define WARNING(fmt, args...) printk((KERN_WARNING "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
210 #define NOTICE(fmt, args...) printk((KERN_NOTICE "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
211 #define INFO(fmt, args...) printk((KERN_INFO "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
212 #define DEBUG(fmt, args...) printk((KERN_DEBUG "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)