return rc;
}
-int xc_hvm_set_mem_access(
- xc_interface *xch, domid_t dom, hvmmem_access_t mem_access, uint64_t first_pfn, uint64_t nr)
-{
- DECLARE_HYPERCALL;
- DECLARE_HYPERCALL_BUFFER(struct xen_hvm_set_mem_access, arg);
- int rc;
-
- arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg));
- if ( arg == NULL )
- {
- PERROR("Could not allocate memory for xc_hvm_set_mem_access hypercall");
- return -1;
- }
-
- arg->domid = dom;
- arg->hvmmem_access = mem_access;
- arg->first_pfn = first_pfn;
- arg->nr = nr;
-
- hypercall.op = __HYPERVISOR_hvm_op;
- hypercall.arg[0] = HVMOP_set_mem_access;
- hypercall.arg[1] = HYPERCALL_BUFFER_AS_ARG(arg);
-
- rc = do_xen_hypercall(xch, &hypercall);
-
- xc_hypercall_buffer_free(xch, arg);
-
- return rc;
-}
-
-int xc_hvm_get_mem_access(
- xc_interface *xch, domid_t dom, uint64_t pfn, hvmmem_access_t* mem_access)
-{
- DECLARE_HYPERCALL;
- DECLARE_HYPERCALL_BUFFER(struct xen_hvm_get_mem_access, arg);
- int rc;
-
- arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg));
- if ( arg == NULL )
- {
- PERROR("Could not allocate memory for xc_hvm_get_mem_access hypercall");
- return -1;
- }
-
- arg->domid = dom;
- arg->pfn = pfn;
-
- hypercall.op = __HYPERVISOR_hvm_op;
- hypercall.arg[0] = HVMOP_get_mem_access;
- hypercall.arg[1] = HYPERCALL_BUFFER_AS_ARG(arg);
-
- rc = do_xen_hypercall(xch, &hypercall);
-
- if ( !rc )
- *mem_access = arg->hvmmem_access;
-
- xc_hypercall_buffer_free(xch, arg);
-
- return rc;
-}
-
int xc_hvm_inject_trap(
xc_interface *xch, domid_t dom, int vcpu, uint32_t vector,
uint32_t type, uint32_t error_code, uint32_t insn_len,
int xc_hvm_set_mem_type(
xc_interface *xch, domid_t dom, hvmmem_type_t memtype, uint64_t first_pfn, uint64_t nr);
-/*
- * Set a range of memory to a specific access.
- * Allowed types are HVMMEM_access_default, HVMMEM_access_n, any combination of
- * HVM_access_ + (rwx), and HVM_access_rx2rw
- */
-int xc_hvm_set_mem_access(
- xc_interface *xch, domid_t dom, hvmmem_access_t memaccess, uint64_t first_pfn, uint64_t nr);
-
-/*
- * Gets the mem access for the given page (returned in memacess on success)
- */
-int xc_hvm_get_mem_access(
- xc_interface *xch, domid_t dom, uint64_t pfn, hvmmem_access_t* memaccess);
-
/*
* Injects a hardware/software CPU trap, to take effect the next time the HVM
* resumes.