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[IA64] Hypercall cleanup
Clean up xen_hypercall to query hypercall table instead. Signed-off-by Kevin Tian <kevin.tian@intel.com>
This commit is contained in:
awilliam@xenbuild.aw committed
1 parent
0017c898c6
commit
40e34e2a34
1 file changed
+16
-57
@@ -24,6 +24,7 @@
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#include <xen/irq.h>
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#include <asm/hw_irq.h>
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#include <public/physdev.h>
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#include <xen/domain.h>
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extern unsigned long translate_domain_mpaddr(unsigned long);
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static long do_physdev_op(GUEST_HANDLE(physdev_op_t) uop);
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@@ -55,7 +56,7 @@ hypercall_t ia64_hypercall_table[] =
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(hypercall_t)do_event_channel_op,
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(hypercall_t)do_xen_version,
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(hypercall_t)do_console_io,
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(hypercall_t)do_physdev_op, /* do_physdev_op */
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(hypercall_t)do_physdev_op,
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(hypercall_t)do_grant_table_op, /* 20 */
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(hypercall_t)do_ni_hypercall, /* do_vm_assist */
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(hypercall_t)do_ni_hypercall, /* do_update_va_mapping_otherdomain */
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@@ -73,67 +74,25 @@ hypercall_t ia64_hypercall_table[] =
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static int
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xen_hypercall (struct pt_regs *regs)
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{
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switch (regs->r2) {
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case __HYPERVISOR_sched_op_compat:
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regs->r8 = do_sched_op_compat((int) regs->r14,
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(unsigned long) regs->r15);
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break;
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case __HYPERVISOR_dom0_op:
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regs->r8 = do_dom0_op(guest_handle_from_ptr(regs->r14,
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dom0_op_t));
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break;
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case __HYPERVISOR_memory_op:
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regs->r8 = do_memory_op(regs->r14,
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guest_handle_from_ptr(regs->r15, void));
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break;
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case __HYPERVISOR_event_channel_op:
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regs->r8 = do_event_channel_op(guest_handle_from_ptr(regs->r14, evtchn_op_t));
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break;
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case __HYPERVISOR_physdev_op:
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regs->r8 = do_physdev_op(guest_handle_from_ptr(regs->r14,
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physdev_op_t));
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break;
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case __HYPERVISOR_grant_table_op:
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regs->r8 = do_grant_table_op((unsigned int) regs->r14,
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guest_handle_from_ptr(regs->r15, void),
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(unsigned int) regs->r16);
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break;
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case __HYPERVISOR_console_io:
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regs->r8 = do_console_io((int) regs->r14, (int) regs->r15,
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guest_handle_from_ptr(regs->r16, char));
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break;
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case __HYPERVISOR_xen_version:
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regs->r8 = do_xen_version((int) regs->r14,
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guest_handle_from_ptr(regs->r15, void));
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break;
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case __HYPERVISOR_multicall:
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regs->r8 = do_multicall(guest_handle_from_ptr(regs->r14,
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multicall_entry_t), (unsigned int) regs->r15);
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break;
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case __HYPERVISOR_sched_op:
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regs->r8 = do_sched_op((int) regs->r14,
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guest_handle_from_ptr(regs->r15, void));
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break;
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uint32_t cmd = (uint32_t)regs->r2;
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if (cmd < nr_hypercalls)
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regs->r8 = (*ia64_hypercall_table[cmd])(
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regs->r14,
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regs->r15,
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regs->r16,
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regs->r17,
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regs->r18,
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regs->r19);
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else
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#ifdef CONFIG_XEN_IA64_DOM0_VP
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case __HYPERVISOR_ia64_dom0vp_op:
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if (cmd == __HYPERVISOR_ia64_dom0vp_op)
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regs->r8 = do_dom0vp_op(regs->r14, regs->r15, regs->r16,
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regs->r17, regs->r18);
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break;
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else
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#endif
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default:
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printf("unknown xen hypercall %lx\n", regs->r2);
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regs->r8 = do_ni_hypercall();
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}
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regs->r8 = -ENOSYS;
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return 1;
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}
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