#define CHANGED_GDT_TLS 4 /* Actually a subset of CHANGED_GDT */
#define CHANGED_ALL 3
+struct lguest;
+
+struct lg_cpu {
+ unsigned int id;
+ struct lguest *lg;
+
+ /* If a hypercall was asked for, this points to the arguments. */
+ struct hcall_args *hcall;
+ u32 next_hcall;
+
+ /* Virtual clock device */
+ struct hrtimer hrt;
+
+ /* Pending virtual interrupts */
+ DECLARE_BITMAP(irqs_pending, LGUEST_IRQS);
+};
+
/* The private info the thread maintains about the guest. */
struct lguest
{
struct lguest_data __user *lguest_data;
struct task_struct *tsk;
struct mm_struct *mm; /* == tsk->mm, but that becomes NULL on exit */
+ struct lg_cpu cpus[NR_CPUS];
+ unsigned int nr_cpus;
+
u32 pfn_limit;
/* This provides the offset to the base of guest-physical
* memory in the Launcher. */
u32 cr2;
int halted;
int ts;
- u32 next_hcall;
u32 esp1;
u8 ss1;
- /* If a hypercall was asked for, this points to the arguments. */
- struct hcall_args *hcall;
-
/* Do we need to stop what we're doing and return to userspace? */
int break_out;
wait_queue_head_t break_wq;
const char *dead;
struct lguest_arch arch;
-
- /* Virtual clock device */
- struct hrtimer hrt;
-
- /* Pending virtual interrupts */
- DECLARE_BITMAP(irqs_pending, LGUEST_IRQS);
};
extern struct mutex lguest_lock;
} while(0)
/* (end of memory access helper routines) :*/
-int run_guest(struct lguest *lg, unsigned long __user *user);
+int run_guest(struct lg_cpu *cpu, unsigned long __user *user);
/* Helper macros to obtain the first 12 or the last 20 bits, this is only the
* first step in the migration to the kernel types. pte_pfn is already defined
#define pgd_pfn(x) (pgd_val(x) >> PAGE_SHIFT)
/* interrupts_and_traps.c: */
-void maybe_do_interrupt(struct lguest *lg);
-int deliver_trap(struct lguest *lg, unsigned int num);
+void maybe_do_interrupt(struct lg_cpu *cpu);
+int deliver_trap(struct lg_cpu *cpu, unsigned int num);
void load_guest_idt_entry(struct lguest *lg, unsigned int i, u32 low, u32 hi);
void guest_set_stack(struct lguest *lg, u32 seg, u32 esp, unsigned int pages);
void pin_stack_pages(struct lguest *lg);
const unsigned long *def);
void copy_traps(const struct lguest *lg, struct desc_struct *idt,
const unsigned long *def);
-void guest_set_clockevent(struct lguest *lg, unsigned long delta);
-void init_clockdev(struct lguest *lg);
+void guest_set_clockevent(struct lg_cpu *cpu, unsigned long delta);
+void init_clockdev(struct lg_cpu *cpu);
bool check_syscall_vector(struct lguest *lg);
int init_interrupts(void);
void free_interrupts(void);
/* <arch>/core.c: */
void lguest_arch_host_init(void);
void lguest_arch_host_fini(void);
-void lguest_arch_run_guest(struct lguest *lg);
-void lguest_arch_handle_trap(struct lguest *lg);
-int lguest_arch_init_hypercalls(struct lguest *lg);
-int lguest_arch_do_hcall(struct lguest *lg, struct hcall_args *args);
+void lguest_arch_run_guest(struct lg_cpu *cpu);
+void lguest_arch_handle_trap(struct lg_cpu *cpu);
+int lguest_arch_init_hypercalls(struct lg_cpu *cpu);
+int lguest_arch_do_hcall(struct lg_cpu *cpu, struct hcall_args *args);
void lguest_arch_setup_regs(struct lguest *lg, unsigned long start);
/* <arch>/switcher.S: */
void lguest_device_remove(void);
/* hypercalls.c: */
-void do_hypercalls(struct lguest *lg);
+void do_hypercalls(struct lg_cpu *cpu);
void write_timestamp(struct lguest *lg);
/*L:035