Mailing List Archive

# HG changeset patch
# User awilliam@xenbuild.aw
# Node ID 74b1de89e9f7070bfcbeb26bac823733dbc36d92
# Parent 2710f2fe624a5103d198e6685e250c6678f34ec1
[IA64] added multicall

This patch added multicall hypercall.

Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>

diff -r 2710f2fe624a -r 74b1de89e9f7 xen/arch/ia64/xen/hypercall.c
--- a/xen/arch/ia64/xen/hypercall.c Tue Feb 7 11:59:27 2006
+++ b/xen/arch/ia64/xen/hypercall.c Thu Feb 9 15:48:47 2006
@@ -9,6 +9,7 @@
#include <xen/config.h>
#include <xen/sched.h>
#include <xen/hypercall.h>
+#include <xen/multicall.h>

#include <linux/efi.h> /* FOR EFI_UNIMPLEMENTED */
#include <asm/sal.h> /* FOR struct ia64_sal_retval */
@@ -22,6 +23,42 @@

unsigned long idle_when_pending = 0;
unsigned long pal_halt_light_count = 0;
+
+hypercall_t ia64_hypercall_table[] =
+ {
+ (hypercall_t)do_ni_hypercall, /* do_set_trap_table */ /* 0 */
+ (hypercall_t)do_ni_hypercall, /* do_mmu_update */
+ (hypercall_t)do_ni_hypercall, /* do_set_gdt */
+ (hypercall_t)do_ni_hypercall, /* do_stack_switch */
+ (hypercall_t)do_ni_hypercall, /* do_set_callbacks */
+ (hypercall_t)do_ni_hypercall, /* do_fpu_taskswitch */ /* 5 */
+ (hypercall_t)do_ni_hypercall, /* do_sched_op */
+ (hypercall_t)do_dom0_op,
+ (hypercall_t)do_ni_hypercall, /* do_set_debugreg */
+ (hypercall_t)do_ni_hypercall, /* do_get_debugreg */
+ (hypercall_t)do_ni_hypercall, /* do_update_descriptor */ /* 10 */
+ (hypercall_t)do_ni_hypercall, /* do_ni_hypercall */
+ (hypercall_t)do_memory_op,
+ (hypercall_t)do_multicall,
+ (hypercall_t)do_ni_hypercall, /* do_update_va_mapping */
+ (hypercall_t)do_ni_hypercall, /* do_set_timer_op */ /* 15 */
+ (hypercall_t)do_event_channel_op,
+ (hypercall_t)do_xen_version,
+ (hypercall_t)do_console_io,
+ (hypercall_t)do_ni_hypercall, /* do_physdev_op */
+ (hypercall_t)do_grant_table_op, /* 20 */
+ (hypercall_t)do_ni_hypercall, /* do_vm_assist */
+ (hypercall_t)do_ni_hypercall, /* do_update_va_mapping_otherdomain */
+ (hypercall_t)do_ni_hypercall, /* (x86 only) */
+ (hypercall_t)do_ni_hypercall, /* do_vcpu_op */
+ (hypercall_t)do_ni_hypercall, /* (x86_64 only) */ /* 25 */
+ (hypercall_t)do_ni_hypercall, /* do_mmuext_op */
+ (hypercall_t)do_ni_hypercall, /* do_acm_op */
+ (hypercall_t)do_ni_hypercall, /* do_nmi_op */
+ (hypercall_t)do_ni_hypercall, /* */
+ (hypercall_t)do_ni_hypercall, /* */ /* 30 */
+ (hypercall_t)do_ni_hypercall /* */
+ };

int
ia64_hypercall (struct pt_regs *regs)
@@ -181,9 +218,13 @@
regs->r8 = do_xen_version(regs->r14, regs->r15);
break;

+ case __HYPERVISOR_multicall:
+ regs->r8 = do_multicall(regs->r14, regs->r15);
+ break;
+
default:
printf("unknown hypercall %x\n", regs->r2);
- regs->r8 = (unsigned long)-1;
+ regs->r8 = do_ni_hypercall();
}
return 1;
}
diff -r 2710f2fe624a -r 74b1de89e9f7 xen/include/asm-ia64/multicall.h
--- a/xen/include/asm-ia64/multicall.h Tue Feb 7 11:59:27 2006
+++ b/xen/include/asm-ia64/multicall.h Thu Feb 9 15:48:47 2006
@@ -1,5 +1,27 @@
#ifndef __ASM_IA64_MULTICALL_H__
#define __ASM_IA64_MULTICALL_H__

-#define do_multicall_call(_call) BUG()
+#include <public/xen.h>
+
+typedef unsigned long (*hypercall_t)(
+ unsigned long arg0,
+ unsigned long arg1,
+ unsigned long arg2,
+ unsigned long arg3,
+ unsigned long arg4,
+ unsigned long arg5);
+
+extern hypercall_t ia64_hypercall_table[];
+
+static inline void do_multicall_call(multicall_entry_t *call)
+{
+ call->result = (*ia64_hypercall_table[call->op])(
+ call->args[0],
+ call->args[1],
+ call->args[2],
+ call->args[3],
+ call->args[4],
+ call->args[5]);
+}
+
#endif /* __ASM_IA64_MULTICALL_H__ */

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