#include <linux/list.h>
#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/version.h>
-#include "palacios-console.h"
/* Global Control IOCTLs */
-#define V3_START_GUEST 10
-#define V3_ADD_MEMORY 50
+#define V3_CREATE_GUEST 12
+#define V3_FREE_GUEST 13
+
+#define V3_ADD_MEMORY 50
+#define V3_RESET_MEMORY 51
+#define V3_REMOVE_MEMORY 52
+
+#define V3_ADD_PCI_HW_DEV 55
+#define V3_ADD_PCI_USER_DEV 56
+
+#define V3_DVFS_CTRL 60
+
/* VM Specific IOCTLs */
#define V3_VM_CONSOLE_CONNECT 20
-#define V3_VM_SERIAL_CONNECT 21
-#define V3_VM_STOP 22
+#define V3_VM_STREAM_CONNECT 21
+
+#define V3_VM_PAUSE 23
+#define V3_VM_CONTINUE 24
+
+#define V3_VM_LAUNCH 25
+#define V3_VM_STOP 26
+#define V3_VM_LOAD 27
+#define V3_VM_SAVE 28
+#define V3_VM_SIMULATE 29
+
+#define V3_VM_INSPECT 30
+#define V3_VM_DEBUG 31
+
+#define V3_VM_MOVE_CORE 33
+
+#define V3_VM_SEND 34
+#define V3_VM_RECEIVE 35
+
+#define V3_VM_MOVE_MEM 36
+
+#define V3_VM_RESET 40
+
+#define V3_VM_FB_INPUT 257
+#define V3_VM_FB_QUERY 258
+
+#define V3_VM_MEM_TRACK_SIZE 300
+#define V3_VM_MEM_TRACK_CMD 301
+#define V3_VM_MEM_TRACK_SNAP 302
+
+#define V3_VM_HOST_DEV_CONNECT 10245
+
+#define V3_VM_KSTREAM_USER_CONNECT 11245
+
struct v3_guest_img {
unsigned long long size;
void * guest_data;
char name[128];
-};
+} __attribute__((packed));
+
+typedef enum { PREALLOCATED=0, // user space-allocated (e.g. hot remove)
+ REQUESTED, // kernel will attempt allocation (anywhere)
+ REQUESTED32, // kernel will attempt allocation (<4GB)
+} v3_mem_region_type_t;
struct v3_mem_region {
- unsigned long long base_addr;
- unsigned long long num_pages;
-};
+ v3_mem_region_type_t type; //
+ int node; // numa node for REQUESTED (-1 = any)
+ unsigned long long base_addr; // region start (hpa) for PREALLOCATED
+ unsigned long long num_pages; // size for PREALLOCATED or request size for REQUESTED
+ // should be power of 2 and > V3_CONFIG_MEM_BLOCK
+} __attribute__((packed));
+
+struct v3_debug_cmd {
+ unsigned int core;
+ unsigned int cmd;
+} __attribute__((packed));
+
+struct v3_core_move_cmd {
+ unsigned short vcore_id;
+ unsigned short pcore_id;
+} __attribute__((packed));
+
+struct v3_mem_move_cmd{
+ unsigned long long gpa;
+ unsigned short pcore_id;
+} __attribute__((packed));
+
+struct v3_reset_cmd {
+#define V3_RESET_VM_ALL 0
+#define V3_RESET_VM_HRT 1
+#define V3_RESET_VM_ROS 2
+#define V3_RESET_VM_CORE_RANGE 3
+ unsigned int type;
+ unsigned int first_core; // for CORE_RANGE
+ unsigned int num_cores; // for CORE_RANGE
+} __attribute__((packed));
+
+struct v3_chkpt_info {
+ char store[128];
+ char url[256]; /* This might need to be bigger... */
+ unsigned long long opts;
+#define V3_CHKPT_OPT_NONE 0
+#define V3_CHKPT_OPT_SKIP_MEM 1 // don't write memory to store
+#define V3_CHKPT_OPT_SKIP_DEVS 2 // don't write devices to store
+#define V3_CHKPT_OPT_SKIP_CORES 4 // don't write core arch ind data to store
+#define V3_CHKPT_OPT_SKIP_ARCHDEP 8 // don't write core arch dep data to store
+} __attribute__((packed));
+struct v3_hw_pci_dev {
+ char name[128];
+ unsigned int bus;
+ unsigned int dev;
+ unsigned int func;
+} __attribute__((packed));
+
+struct v3_user_pci_dev {
+ char name[128];
+ unsigned short vendor_id;
+ unsigned short dev_id;
+} __attribute__((packed));
+
void * trace_malloc(size_t size, gfp_t flags);
char name[128];
- struct list_head files;
- struct list_head streams;
- struct list_head sockets;
-
- struct palacios_console console;
- struct completion start_done;
- struct completion thread_done;
+ struct rb_root vm_ctrls;
+ struct list_head exts;
dev_t vm_dev;
struct cdev cdev;
// For now MAX_VMS must be a multiple of 8
// This is due to the minor number bitmap
#define MAX_VMS 32
+#define MAX_THREADS (MAX_VMS*64)
+
+int palacios_vmm_init( char *options );
+int palacios_vmm_exit( void );
+// This is how a component finds the proc dir we are using for global state
+struct proc_dir_entry *palacios_get_procdir(void);
+struct v3_resource_control;
-extern void send_key_to_palacios(unsigned char status, unsigned char scan_code);
+// Selected exported stubs, for use in other palacios components, like vnet
+// The idea is that everything uses the same stubs
+void palacios_print_scoped(void *vm, int vcore, const char *fmt, ...);
+#define palacios_print(...) palacios_print_scoped(0,-1, __VA_ARGS__)
+// node_id=-1 => no node constraint
+void *palacios_allocate_pages(int num_pages, unsigned int alignment, int node_id, int (*filter_func)(void *paddr, void *filter_state), void *filter_state);
+void palacios_free_pages(void *page_addr, int num_pages);
+void *palacios_alloc(unsigned int size);
+// node_id=-1 => no node constraint
+void *palacios_alloc_extended(unsigned int size, unsigned int flags, int node_id);
+void palacios_free(void *);
+void *palacios_valloc(unsigned int size); // use instead of vmalloc
+void palacios_vfree(void *); // use instead of vfree
+void *palacios_vaddr_to_paddr(void *vaddr);
+void *palacios_paddr_to_vaddr(void *paddr);
+void palacios_xcall(int cpu_id, void (*fn)(void *arg), void *arg);
+void *palacios_create_and_start_kernel_thread(int (*fn)(void * arg), void *arg, char *thread_name, struct v3_resource_control *rc);
+void *palacios_create_thread_on_cpu(int cpu_id, int (*fn)(void * arg), void *arg, char *thread_name, struct v3_resource_control *rc);
+void palacios_start_thread(void *thread_ptr);
+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);
+int palacios_move_thread_to_cpu(int new_cpu_id, void *thread_ptr);
+void palacios_yield_cpu(void);
+void palacios_sleep_cpu(unsigned int us);
+unsigned int palacios_get_cpu(void);
+unsigned int palacios_get_cpu_khz(void);
+void palacios_used_fpu(void);
+void palacios_need_fpu(void);
+void *palacios_mutex_alloc(void); // allocates and inits a lock
+void palacios_mutex_init(void *mutex); // only inits a lock
+void palacios_mutex_deinit(void *mutex); // only deinits a lock
+void palacios_mutex_free(void *mutex); // deinits and frees a lock
+void palacios_mutex_lock(void *mutex, int must_spin);
+void palacios_mutex_unlock(void *mutex);
+void *palacios_mutex_lock_irqsave(void *mutex, int must_spin);
+void palacios_mutex_unlock_irqrestore(void *mutex, void *flags);
+// Macros for spin-locks in the module code
+// By using these macros, the lock checker will be able
+// to see the module code as well as the core VMM
+#define palacios_spinlock_init(l) palacios_mutex_init(l)
+#define palacios_spinlock_deinit(l) palacios_mutex_deinit(l)
+#define palacios_spinlock_lock(l) palacios_mutex_lock(l,0)
+#define palacios_spinlock_unlock(l) palacios_mutex_unlock(l)
+#define palacios_spinlock_lock_irqsave(l,f) do { f=(unsigned long)palacios_mutex_lock_irqsave(l,0); } while (0)
+#define palacios_spinlock_unlock_irqrestore(l,f) palacios_mutex_unlock_irqrestore(l,(void*)f)
-int palacios_vmm_init( void );
-int palacios_vmm_exit( void );
+// Palacios Printing Support
+
+// These macros affect how palacios_print will generate output
+// Turn this on for unprefaced output from palacios_print
+#define V3_PRINTK_OLD_STYLE_OUTPUT 0
+// Maximum length output from palacios_print
+#define V3_PRINTK_BUF_SIZE 1024
+// Turn this on to check if new-style output for palacios_print contains only 7-bit chars
+#define V3_PRINTK_CHECK_7BIT 1
+
+//
+// The following macros are for printing in the linux module itself, even before
+// Palacios is initialized and after it it deinitialized
+// All printk's in linux_module use these macros, for easier control
+#define ERROR(fmt, args...) printk((KERN_ERR "palacios (pcore %u) %s(%d): " fmt), palacios_get_cpu(), __FILE__, __LINE__, ##args)
+#define WARNING(fmt, args...) printk((KERN_WARNING "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
+#define NOTICE(fmt, args...) printk((KERN_NOTICE "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
+#define INFO(fmt, args...) printk((KERN_INFO "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
+#define DEBUG(fmt, args...) printk((KERN_DEBUG "palacios (pcore %u): " fmt), palacios_get_cpu(), ##args)
+
+/* Linux proc versioning */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)
+
+#define PAL_PROC_CREATE(ent, fname, perm, parent, fops) \
+ ent = proc_create(fname, perm, parent, fops);
+
+#define PAL_PROC_CREATE_DATA(ent, fname, perm, parent, fops, data) \
+ ent = proc_create_data(fname, perm, parent, fops, data);
+
+#define PAL_PDE(inode) NULL
+#define PAL_PROC_GETDATA(inode) PDE_DATA((inode))
+
+#else
+
+#define PAL_PROC_CREATE(ent, fname, perm, parent, fops) \
+ ent = create_proc_entry(fname, perm, parent); \
+ if (ent) { \
+ ent->proc_fops = fops; \
+ }
+
+#define PAL_PROC_CREATE_DATA(ent, fname, perm, parent, fops, data) \
+ ent = proc_create_data(fname, perm, parent, fops, data);
+
+#define PAL_PDE(inode) PDE((inode))
+#define PAL_PROC_GETDATA(inode) PDE((inode))->data
+
+#endif
+
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(3,9,0)
+#define strict_strtoull(s,b,r) kstrtoull(s,b,r)
+#endif