We will provide a header file for Hyper-V hypercalls.
No functional change.
Signed-off-by: Wei Liu <liuwe@microsoft.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Acked-by: Jan Beulich <jbeulich@suse.com>
#ifndef __X86_GUEST_H__
#define __X86_GUEST_H__
-#include <asm/guest/hypercall.h>
#include <asm/guest/hyperv.h>
#include <asm/guest/hypervisor.h>
#include <asm/guest/pvh-boot.h>
#include <asm/guest/xen.h>
+#include <asm/guest/xen-hcall.h>
#include <asm/pv/shim.h>
#endif /* __X86_GUEST_H__ */
+++ /dev/null
-/******************************************************************************
- * asm-x86/guest/hypercall.h
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms and conditions of the GNU General Public
- * License, version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; If not, see <http://www.gnu.org/licenses/>.
- *
- * Copyright (c) 2017 Citrix Systems Ltd.
- */
-
-#ifndef __X86_XEN_HYPERCALL_H__
-#define __X86_XEN_HYPERCALL_H__
-
-#ifdef CONFIG_XEN_GUEST
-
-#include <xen/types.h>
-
-#include <asm/asm_defns.h>
-
-#include <public/xen.h>
-#include <public/sched.h>
-#include <public/hvm/hvm_op.h>
-
-#include <public/vcpu.h>
-
-/*
- * Hypercall primatives for 64bit
- *
- * Inputs: %rdi, %rsi, %rdx, %r10, %r8, %r9 (arguments 1-6)
- */
-
-#define _hypercall64_1(type, hcall, a1) \
- ({ \
- long res, tmp__; \
- asm volatile ( \
- "call hypercall_page + %c[offset]" \
- : "=a" (res), "=D" (tmp__) ASM_CALL_CONSTRAINT \
- : [offset] "i" (hcall * 32), \
- "1" ((long)(a1)) \
- : "memory" ); \
- (type)res; \
- })
-
-#define _hypercall64_2(type, hcall, a1, a2) \
- ({ \
- long res, tmp__; \
- asm volatile ( \
- "call hypercall_page + %c[offset]" \
- : "=a" (res), "=D" (tmp__), "=S" (tmp__) \
- ASM_CALL_CONSTRAINT \
- : [offset] "i" (hcall * 32), \
- "1" ((long)(a1)), "2" ((long)(a2)) \
- : "memory" ); \
- (type)res; \
- })
-
-#define _hypercall64_3(type, hcall, a1, a2, a3) \
- ({ \
- long res, tmp__; \
- asm volatile ( \
- "call hypercall_page + %c[offset]" \
- : "=a" (res), "=D" (tmp__), "=S" (tmp__), "=d" (tmp__) \
- ASM_CALL_CONSTRAINT \
- : [offset] "i" (hcall * 32), \
- "1" ((long)(a1)), "2" ((long)(a2)), "3" ((long)(a3)) \
- : "memory" ); \
- (type)res; \
- })
-
-#define _hypercall64_4(type, hcall, a1, a2, a3, a4) \
- ({ \
- long res, tmp__; \
- register long _a4 asm ("r10") = ((long)(a4)); \
- asm volatile ( \
- "call hypercall_page + %c[offset]" \
- : "=a" (res), "=D" (tmp__), "=S" (tmp__), "=d" (tmp__), \
- "=&r" (tmp__) ASM_CALL_CONSTRAINT \
- : [offset] "i" (hcall * 32), \
- "1" ((long)(a1)), "2" ((long)(a2)), "3" ((long)(a3)), \
- "4" (_a4) \
- : "memory" ); \
- (type)res; \
- })
-
-/*
- * Primitive Hypercall wrappers
- */
-static inline long xen_hypercall_sched_op(unsigned int cmd, void *arg)
-{
- return _hypercall64_2(long, __HYPERVISOR_sched_op, cmd, arg);
-}
-
-static inline long xen_hypercall_memory_op(unsigned int cmd, void *arg)
-{
- return _hypercall64_2(long, __HYPERVISOR_memory_op, cmd, arg);
-}
-
-static inline int xen_hypercall_vcpu_op(unsigned int cmd, unsigned int vcpu,
- void *arg)
-{
- return _hypercall64_3(long, __HYPERVISOR_vcpu_op, cmd, vcpu, arg);
-}
-
-static inline long xen_hypercall_event_channel_op(unsigned int cmd, void *arg)
-{
- return _hypercall64_2(long, __HYPERVISOR_event_channel_op, cmd, arg);
-}
-
-static inline long xen_hypercall_grant_table_op(unsigned int cmd, void *arg,
- unsigned int count)
-{
- return _hypercall64_3(long, __HYPERVISOR_grant_table_op, cmd, arg, count);
-}
-
-static inline long xen_hypercall_hvm_op(unsigned int op, void *arg)
-{
- return _hypercall64_2(long, __HYPERVISOR_hvm_op, op, arg);
-}
-
-/*
- * Higher level hypercall helpers
- */
-static inline void xen_hypercall_console_write(
- const char *buf, unsigned int count)
-{
- (void)_hypercall64_3(long, __HYPERVISOR_console_io,
- CONSOLEIO_write, count, buf);
-}
-
-static inline long xen_hypercall_shutdown(unsigned int reason)
-{
- struct sched_shutdown s = { .reason = reason };
- return xen_hypercall_sched_op(SCHEDOP_shutdown, &s);
-}
-
-static inline long xen_hypercall_evtchn_send(evtchn_port_t port)
-{
- struct evtchn_send send = { .port = port };
-
- return xen_hypercall_event_channel_op(EVTCHNOP_send, &send);
-}
-
-static inline long xen_hypercall_evtchn_unmask(evtchn_port_t port)
-{
- struct evtchn_unmask unmask = { .port = port };
-
- return xen_hypercall_event_channel_op(EVTCHNOP_unmask, &unmask);
-}
-
-static inline long xen_hypercall_hvm_get_param(uint32_t index, uint64_t *value)
-{
- struct xen_hvm_param xhv = {
- .domid = DOMID_SELF,
- .index = index,
- };
- long ret = xen_hypercall_hvm_op(HVMOP_get_param, &xhv);
-
- if ( ret == 0 )
- *value = xhv.value;
-
- return ret;
-}
-
-static inline long xen_hypercall_set_evtchn_upcall_vector(
- unsigned int cpu, unsigned int vector)
-{
- struct xen_hvm_evtchn_upcall_vector a = {
- .vcpu = cpu,
- .vector = vector,
- };
-
- return xen_hypercall_hvm_op(HVMOP_set_evtchn_upcall_vector, &a);
-}
-
-#else /* CONFIG_XEN_GUEST */
-
-#include <xen/lib.h>
-
-#include <public/sched.h>
-
-static inline void xen_hypercall_console_write(
- const char *buf, unsigned int count)
-{
- ASSERT_UNREACHABLE();
-}
-
-static inline long xen_hypercall_shutdown(unsigned int reason)
-{
- ASSERT_UNREACHABLE();
- return 0;
-}
-
-#endif /* CONFIG_XEN_GUEST */
-#endif /* __X86_XEN_HYPERCALL_H__ */
-
-/*
- * Local variables:
- * mode: C
- * c-file-style: "BSD"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
--- /dev/null
+/******************************************************************************
+ * asm-x86/guest/xen-hcall.h
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms and conditions of the GNU General Public
+ * License, version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Copyright (c) 2017 Citrix Systems Ltd.
+ */
+
+#ifndef __X86_XEN_HYPERCALL_H__
+#define __X86_XEN_HYPERCALL_H__
+
+#ifdef CONFIG_XEN_GUEST
+
+#include <xen/types.h>
+
+#include <asm/asm_defns.h>
+
+#include <public/xen.h>
+#include <public/sched.h>
+#include <public/hvm/hvm_op.h>
+
+#include <public/vcpu.h>
+
+/*
+ * Hypercall primatives for 64bit
+ *
+ * Inputs: %rdi, %rsi, %rdx, %r10, %r8, %r9 (arguments 1-6)
+ */
+
+#define _hypercall64_1(type, hcall, a1) \
+ ({ \
+ long res, tmp__; \
+ asm volatile ( \
+ "call hypercall_page + %c[offset]" \
+ : "=a" (res), "=D" (tmp__) ASM_CALL_CONSTRAINT \
+ : [offset] "i" (hcall * 32), \
+ "1" ((long)(a1)) \
+ : "memory" ); \
+ (type)res; \
+ })
+
+#define _hypercall64_2(type, hcall, a1, a2) \
+ ({ \
+ long res, tmp__; \
+ asm volatile ( \
+ "call hypercall_page + %c[offset]" \
+ : "=a" (res), "=D" (tmp__), "=S" (tmp__) \
+ ASM_CALL_CONSTRAINT \
+ : [offset] "i" (hcall * 32), \
+ "1" ((long)(a1)), "2" ((long)(a2)) \
+ : "memory" ); \
+ (type)res; \
+ })
+
+#define _hypercall64_3(type, hcall, a1, a2, a3) \
+ ({ \
+ long res, tmp__; \
+ asm volatile ( \
+ "call hypercall_page + %c[offset]" \
+ : "=a" (res), "=D" (tmp__), "=S" (tmp__), "=d" (tmp__) \
+ ASM_CALL_CONSTRAINT \
+ : [offset] "i" (hcall * 32), \
+ "1" ((long)(a1)), "2" ((long)(a2)), "3" ((long)(a3)) \
+ : "memory" ); \
+ (type)res; \
+ })
+
+#define _hypercall64_4(type, hcall, a1, a2, a3, a4) \
+ ({ \
+ long res, tmp__; \
+ register long _a4 asm ("r10") = ((long)(a4)); \
+ asm volatile ( \
+ "call hypercall_page + %c[offset]" \
+ : "=a" (res), "=D" (tmp__), "=S" (tmp__), "=d" (tmp__), \
+ "=&r" (tmp__) ASM_CALL_CONSTRAINT \
+ : [offset] "i" (hcall * 32), \
+ "1" ((long)(a1)), "2" ((long)(a2)), "3" ((long)(a3)), \
+ "4" (_a4) \
+ : "memory" ); \
+ (type)res; \
+ })
+
+/*
+ * Primitive Hypercall wrappers
+ */
+static inline long xen_hypercall_sched_op(unsigned int cmd, void *arg)
+{
+ return _hypercall64_2(long, __HYPERVISOR_sched_op, cmd, arg);
+}
+
+static inline long xen_hypercall_memory_op(unsigned int cmd, void *arg)
+{
+ return _hypercall64_2(long, __HYPERVISOR_memory_op, cmd, arg);
+}
+
+static inline int xen_hypercall_vcpu_op(unsigned int cmd, unsigned int vcpu,
+ void *arg)
+{
+ return _hypercall64_3(long, __HYPERVISOR_vcpu_op, cmd, vcpu, arg);
+}
+
+static inline long xen_hypercall_event_channel_op(unsigned int cmd, void *arg)
+{
+ return _hypercall64_2(long, __HYPERVISOR_event_channel_op, cmd, arg);
+}
+
+static inline long xen_hypercall_grant_table_op(unsigned int cmd, void *arg,
+ unsigned int count)
+{
+ return _hypercall64_3(long, __HYPERVISOR_grant_table_op, cmd, arg, count);
+}
+
+static inline long xen_hypercall_hvm_op(unsigned int op, void *arg)
+{
+ return _hypercall64_2(long, __HYPERVISOR_hvm_op, op, arg);
+}
+
+/*
+ * Higher level hypercall helpers
+ */
+static inline void xen_hypercall_console_write(
+ const char *buf, unsigned int count)
+{
+ (void)_hypercall64_3(long, __HYPERVISOR_console_io,
+ CONSOLEIO_write, count, buf);
+}
+
+static inline long xen_hypercall_shutdown(unsigned int reason)
+{
+ struct sched_shutdown s = { .reason = reason };
+ return xen_hypercall_sched_op(SCHEDOP_shutdown, &s);
+}
+
+static inline long xen_hypercall_evtchn_send(evtchn_port_t port)
+{
+ struct evtchn_send send = { .port = port };
+
+ return xen_hypercall_event_channel_op(EVTCHNOP_send, &send);
+}
+
+static inline long xen_hypercall_evtchn_unmask(evtchn_port_t port)
+{
+ struct evtchn_unmask unmask = { .port = port };
+
+ return xen_hypercall_event_channel_op(EVTCHNOP_unmask, &unmask);
+}
+
+static inline long xen_hypercall_hvm_get_param(uint32_t index, uint64_t *value)
+{
+ struct xen_hvm_param xhv = {
+ .domid = DOMID_SELF,
+ .index = index,
+ };
+ long ret = xen_hypercall_hvm_op(HVMOP_get_param, &xhv);
+
+ if ( ret == 0 )
+ *value = xhv.value;
+
+ return ret;
+}
+
+static inline long xen_hypercall_set_evtchn_upcall_vector(
+ unsigned int cpu, unsigned int vector)
+{
+ struct xen_hvm_evtchn_upcall_vector a = {
+ .vcpu = cpu,
+ .vector = vector,
+ };
+
+ return xen_hypercall_hvm_op(HVMOP_set_evtchn_upcall_vector, &a);
+}
+
+#else /* CONFIG_XEN_GUEST */
+
+#include <xen/lib.h>
+
+#include <public/sched.h>
+
+static inline void xen_hypercall_console_write(
+ const char *buf, unsigned int count)
+{
+ ASSERT_UNREACHABLE();
+}
+
+static inline long xen_hypercall_shutdown(unsigned int reason)
+{
+ ASSERT_UNREACHABLE();
+ return 0;
+}
+
+#endif /* CONFIG_XEN_GUEST */
+#endif /* __X86_XEN_HYPERCALL_H__ */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
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