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Diffstat (limited to 'drivers/lguest/lg.h')
-rw-r--r--drivers/lguest/lg.h26
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h
index 2eef40be4c04..307e8b39e7d1 100644
--- a/drivers/lguest/lg.h
+++ b/drivers/lguest/lg.h
@@ -50,7 +50,10 @@ struct lg_cpu {
/* Bitmap of what has changed: see CHANGED_* above. */
int changed;
- unsigned long pending_notify; /* pfn from LHCALL_NOTIFY */
+ /* Pending operation. */
+ struct lguest_pending pending;
+
+ unsigned long *reg_read; /* register from LHREQ_GETREG */
/* At end of a page shared mapped over lguest_pages in guest. */
unsigned long regs_page;
@@ -78,24 +81,18 @@ struct lg_cpu {
struct lg_cpu_arch arch;
};
-struct lg_eventfd {
- unsigned long addr;
- struct eventfd_ctx *event;
-};
-
-struct lg_eventfd_map {
- unsigned int num;
- struct lg_eventfd map[];
-};
-
/* The private info the thread maintains about the guest. */
struct lguest {
struct lguest_data __user *lguest_data;
struct lg_cpu cpus[NR_CPUS];
unsigned int nr_cpus;
+ /* Valid guest memory pages must be < this. */
u32 pfn_limit;
+ /* Device memory is >= pfn_limit and < device_limit. */
+ u32 device_limit;
+
/*
* This provides the offset to the base of guest-physical memory in the
* Launcher.
@@ -110,8 +107,6 @@ struct lguest {
unsigned int stack_pages;
u32 tsc_khz;
- struct lg_eventfd_map *eventfds;
-
/* Dead? */
const char *dead;
};
@@ -197,8 +192,10 @@ void guest_pagetable_flush_user(struct lg_cpu *cpu);
void guest_set_pte(struct lg_cpu *cpu, unsigned long gpgdir,
unsigned long vaddr, pte_t val);
void map_switcher_in_guest(struct lg_cpu *cpu, struct lguest_pages *pages);
-bool demand_page(struct lg_cpu *cpu, unsigned long cr2, int errcode);
+bool demand_page(struct lg_cpu *cpu, unsigned long cr2, int errcode,
+ unsigned long *iomem);
void pin_page(struct lg_cpu *cpu, unsigned long vaddr);
+bool __guest_pa(struct lg_cpu *cpu, unsigned long vaddr, unsigned long *paddr);
unsigned long guest_pa(struct lg_cpu *cpu, unsigned long vaddr);
void page_table_guest_data_init(struct lg_cpu *cpu);
@@ -210,6 +207,7 @@ 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 lg_cpu *cpu, unsigned long start);
+unsigned long *lguest_arch_regptr(struct lg_cpu *cpu, size_t reg_off, bool any);
/* <arch>/switcher.S: */
extern char start_switcher_text[], end_switcher_text[], switch_to_guest[];