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_HOST_DEV_CONNECT 10245
49 #define V3_VM_KSTREAM_USER_CONNECT 11245
53 unsigned long long size;
56 } __attribute__((packed));
58 typedef enum { PREALLOCATED=0, // user space-allocated (e.g. hot remove)
59 REQUESTED, // kernel will attempt allocation (anywhere)
60 REQUESTED32, // kernel will attempt allocation (<4GB)
62 } v3_mem_region_type_t;
64 struct v3_mem_region {
65 v3_mem_region_type_t type; //
66 int node; // numa node for REQUESTED (-1 = any)
67 unsigned long long base_addr; // region start (hpa) for PREALLOCATED
68 unsigned long long num_pages; // size for PREALLOCATED or request size for REQUESTED
69 // should be power of 2 and > V3_CONFIG_MEM_BLOCK
70 } __attribute__((packed));
75 } __attribute__((packed));
77 struct v3_core_move_cmd {
78 unsigned short vcore_id;
79 unsigned short pcore_id;
80 } __attribute__((packed));
82 struct v3_mem_move_cmd{
83 unsigned long long gpa;
84 unsigned short pcore_id;
85 } __attribute__((packed));
87 struct v3_chkpt_info {
89 char url[256]; /* This might need to be bigger... */
90 unsigned long long opts;
91 #define V3_CHKPT_OPT_NONE 0
92 #define V3_CHKPT_OPT_SKIP_MEM 1 // don't write memory to store
93 #define V3_CHKPT_OPT_SKIP_DEVS 2 // don't write devices to store
94 #define V3_CHKPT_OPT_SKIP_CORES 4 // don't write core arch ind data to store
95 #define V3_CHKPT_OPT_SKIP_ARCHDEP 8 // don't write core arch dep data to store
96 } __attribute__((packed));
99 struct v3_hw_pci_dev {
104 } __attribute__((packed));
106 struct v3_user_pci_dev {
108 unsigned short vendor_id;
109 unsigned short dev_id;
110 } __attribute__((packed));
114 void * trace_malloc(size_t size, gfp_t flags);
115 void trace_free(const void * objp);
127 struct rb_root vm_ctrls;
128 struct list_head exts;
134 // For now MAX_VMS must be a multiple of 8
135 // This is due to the minor number bitmap
140 int palacios_vmm_init( char *options );
141 int palacios_vmm_exit( void );
144 // This is how a component finds the proc dir we are using for global state
145 struct proc_dir_entry *palacios_get_procdir(void);
147 // Selected exported stubs, for use in other palacios components, like vnet
148 // The idea is that everything uses the same stubs
149 void palacios_print_scoped(void *vm, int vcore, const char *fmt, ...);
150 #define palacios_print(...) palacios_print_scoped(0,-1, __VA_ARGS__)
151 // node_id=-1 => no node constraint
152 void *palacios_allocate_pages(int num_pages, unsigned int alignment, int node_id, int constraints);
153 void palacios_free_pages(void *page_addr, int num_pages);
154 void *palacios_alloc(unsigned int size);
155 // node_id=-1 => no node constraint
156 void *palacios_alloc_extended(unsigned int size, unsigned int flags, int node_id);
157 void palacios_free(void *);
158 void *palacios_valloc(unsigned int size); // use instead of vmalloc
159 void palacios_vfree(void *); // use instead of vfree
160 void *palacios_vaddr_to_paddr(void *vaddr);
161 void *palacios_paddr_to_vaddr(void *paddr);
162 void *palacios_start_kernel_thread(int (*fn)(void * arg), void *arg, char *thread_name);
163 void *palacios_start_thread_on_cpu(int cpu_id, int (*fn)(void * arg), void *arg, char *thread_name);
164 int palacios_move_thread_to_cpu(int new_cpu_id, void *thread_ptr);
165 void palacios_yield_cpu(void);
166 void palacios_sleep_cpu(unsigned int us);
167 unsigned int palacios_get_cpu(void);
168 unsigned int palacios_get_cpu_khz(void);
169 void palacios_used_fpu(void);
170 void palacios_need_fpu(void);
171 void *palacios_mutex_alloc(void); // allocates and inits a lock
172 void palacios_mutex_init(void *mutex); // only inits a lock
173 void palacios_mutex_deinit(void *mutex); // only deinits a lock
174 void palacios_mutex_free(void *mutex); // deinits and frees a lock
175 void palacios_mutex_lock(void *mutex, int must_spin);
176 void palacios_mutex_unlock(void *mutex);
177 void *palacios_mutex_lock_irqsave(void *mutex, int must_spin);
178 void palacios_mutex_unlock_irqrestore(void *mutex, void *flags);
179 // Macros for spin-locks in the module code
180 // By using these macros, the lock checker will be able
181 // to see the module code as well as the core VMM
182 #define palacios_spinlock_init(l) palacios_mutex_init(l)
183 #define palacios_spinlock_deinit(l) palacios_mutex_deinit(l)
184 #define palacios_spinlock_lock(l) palacios_mutex_lock(l,0)
185 #define palacios_spinlock_unlock(l) palacios_mutex_unlock(l)
186 #define palacios_spinlock_lock_irqsave(l,f) do { f=(unsigned long)palacios_mutex_lock_irqsave(l,0); } while (0)
187 #define palacios_spinlock_unlock_irqrestore(l,f) palacios_mutex_unlock_irqrestore(l,(void*)f)
190 // Palacios Printing Support
192 // These macros affect how palacios_print will generate output
193 // Turn this on for unprefaced output from palacios_print
194 #define V3_PRINTK_OLD_STYLE_OUTPUT 0
195 // Maximum length output from palacios_print
196 #define V3_PRINTK_BUF_SIZE 1024
197 // Turn this on to check if new-style output for palacios_print contains only 7-bit chars
198 #define V3_PRINTK_CHECK_7BIT 1
201 // The following macros are for printing in the linux module itself, even before
202 // Palacios is initialized and after it it deinitialized
203 // All printk's in linux_module use these macros, for easier control
204 #define ERROR(fmt, args...) printk((KERN_ERR "palacios (pcore %u) %s(%d): " fmt), palacios_get_cpu(), __FILE__, __LINE__, ##args)
205 #define WARNING(fmt, args...) printk((KERN_WARNING "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
206 #define NOTICE(fmt, args...) printk((KERN_NOTICE "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
207 #define INFO(fmt, args...) printk((KERN_INFO "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
208 #define DEBUG(fmt, args...) printk((KERN_DEBUG "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)