linux-kernel - [PATCH 04/15] hyperv: define VMBus message type

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Message-ID: <20161220155602.6298-5-rkagan@virtuozzo.com>
Date:   Tue, 20 Dec 2016 18:55:51 +0300
From:   Roman Kagan <rkagan@...tuozzo.com>
To:     Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>
CC:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, <x86@...nel.org>,
        Haiyang Zhang <haiyangz@...rosoft.com>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devel@...uxdriverproject.org>,
        "Denis V . Lunev" <den@...nvz.org>,
        Roman Kagan <rkagan@...tuozzo.com>
Subject: [PATCH 04/15] hyperv: define VMBus message type

Give a name to the constant (1) already used in the code.

Signed-off-by: Roman Kagan <rkagan@...tuozzo.com>
---
 arch/x86/include/uapi/asm/hyperv.h | 2 ++
 drivers/hv/connection.c            | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h
index af542a3..749fbb25 100644
--- a/arch/x86/include/uapi/asm/hyperv.h
+++ b/arch/x86/include/uapi/asm/hyperv.h
@@ -282,6 +282,8 @@ struct hv_ref_tsc_page {
 enum hv_message_type {
 	HVMSG_NONE			= 0x00000000,
 
+	HVMSG_VMBUS			= 0x00000001,
+
 	/* Memory access messages. */
 	HVMSG_UNMAPPED_GPA		= 0x80000000,
 	HVMSG_GPA_INTERCEPT		= 0x80000001,
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 139b33e..d38b27f 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -432,7 +432,7 @@ int vmbus_post_msg(void *buffer, size_t buflen)
 	 * times before giving up.
 	 */
 	while (retries < 20) {
-		ret = hv_post_message(conn_id, 1, buffer, buflen);
+		ret = hv_post_message(conn_id, HVMSG_VMBUS, buffer, buflen);
 
 		switch (ret) {
 		case HV_STATUS_INVALID_CONNECTION_ID:
-- 
2.9.3