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-rw-r--r--drivers/hv/hv_util.c71
1 files changed, 54 insertions, 17 deletions
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index cb82233541b1..273e3ddb3a20 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -28,17 +28,32 @@
28#include <linux/reboot.h> 28#include <linux/reboot.h>
29#include <linux/hyperv.h> 29#include <linux/hyperv.h>
30 30
31#define SHUTDOWN_MAJOR 3
32#define SHUTDOWN_MINOR 0
33#define SHUTDOWN_MAJOR_MINOR (SHUTDOWN_MAJOR << 16 | SHUTDOWN_MINOR)
34 31
35#define TIMESYNCH_MAJOR 3 32#define SD_MAJOR 3
36#define TIMESYNCH_MINOR 0 33#define SD_MINOR 0
37#define TIMESYNCH_MAJOR_MINOR (TIMESYNCH_MAJOR << 16 | TIMESYNCH_MINOR) 34#define SD_VERSION (SD_MAJOR << 16 | SD_MINOR)
38 35
39#define HEARTBEAT_MAJOR 3 36#define SD_WS2008_MAJOR 1
40#define HEARTBEAT_MINOR 0 37#define SD_WS2008_VERSION (SD_WS2008_MAJOR << 16 | SD_MINOR)
41#define HEARTBEAT_MAJOR_MINOR (HEARTBEAT_MAJOR << 16 | HEARTBEAT_MINOR) 38
39#define TS_MAJOR 3
40#define TS_MINOR 0
41#define TS_VERSION (TS_MAJOR << 16 | TS_MINOR)
42
43#define TS_WS2008_MAJOR 1
44#define TS_WS2008_VERSION (TS_WS2008_MAJOR << 16 | TS_MINOR)
45
46#define HB_MAJOR 3
47#define HB_MINOR 0
48#define HB_VERSION (HB_MAJOR << 16 | HB_MINOR)
49
50#define HB_WS2008_MAJOR 1
51#define HB_WS2008_VERSION (HB_WS2008_MAJOR << 16 | HB_MINOR)
52
53static int sd_srv_version;
54static int ts_srv_version;
55static int hb_srv_version;
56static int util_fw_version;
42 57
43static void shutdown_onchannelcallback(void *context); 58static void shutdown_onchannelcallback(void *context);
44static struct hv_util_service util_shutdown = { 59static struct hv_util_service util_shutdown = {
@@ -99,8 +114,8 @@ static void shutdown_onchannelcallback(void *context)
99 114
100 if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) { 115 if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
101 vmbus_prep_negotiate_resp(icmsghdrp, negop, 116 vmbus_prep_negotiate_resp(icmsghdrp, negop,
102 shut_txf_buf, UTIL_FW_MAJOR_MINOR, 117 shut_txf_buf, util_fw_version,
103 SHUTDOWN_MAJOR_MINOR); 118 sd_srv_version);
104 } else { 119 } else {
105 shutdown_msg = 120 shutdown_msg =
106 (struct shutdown_msg_data *)&shut_txf_buf[ 121 (struct shutdown_msg_data *)&shut_txf_buf[
@@ -216,6 +231,7 @@ static void timesync_onchannelcallback(void *context)
216 struct icmsg_hdr *icmsghdrp; 231 struct icmsg_hdr *icmsghdrp;
217 struct ictimesync_data *timedatap; 232 struct ictimesync_data *timedatap;
218 u8 *time_txf_buf = util_timesynch.recv_buffer; 233 u8 *time_txf_buf = util_timesynch.recv_buffer;
234 struct icmsg_negotiate *negop = NULL;
219 235
220 vmbus_recvpacket(channel, time_txf_buf, 236 vmbus_recvpacket(channel, time_txf_buf,
221 PAGE_SIZE, &recvlen, &requestid); 237 PAGE_SIZE, &recvlen, &requestid);
@@ -225,9 +241,10 @@ static void timesync_onchannelcallback(void *context)
225 sizeof(struct vmbuspipe_hdr)]; 241 sizeof(struct vmbuspipe_hdr)];
226 242
227 if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) { 243 if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
228 vmbus_prep_negotiate_resp(icmsghdrp, NULL, time_txf_buf, 244 vmbus_prep_negotiate_resp(icmsghdrp, negop,
229 UTIL_FW_MAJOR_MINOR, 245 time_txf_buf,
230 TIMESYNCH_MAJOR_MINOR); 246 util_fw_version,
247 ts_srv_version);
231 } else { 248 } else {
232 timedatap = (struct ictimesync_data *)&time_txf_buf[ 249 timedatap = (struct ictimesync_data *)&time_txf_buf[
233 sizeof(struct vmbuspipe_hdr) + 250 sizeof(struct vmbuspipe_hdr) +
@@ -257,6 +274,7 @@ static void heartbeat_onchannelcallback(void *context)
257 struct icmsg_hdr *icmsghdrp; 274 struct icmsg_hdr *icmsghdrp;
258 struct heartbeat_msg_data *heartbeat_msg; 275 struct heartbeat_msg_data *heartbeat_msg;
259 u8 *hbeat_txf_buf = util_heartbeat.recv_buffer; 276 u8 *hbeat_txf_buf = util_heartbeat.recv_buffer;
277 struct icmsg_negotiate *negop = NULL;
260 278
261 vmbus_recvpacket(channel, hbeat_txf_buf, 279 vmbus_recvpacket(channel, hbeat_txf_buf,
262 PAGE_SIZE, &recvlen, &requestid); 280 PAGE_SIZE, &recvlen, &requestid);
@@ -266,9 +284,9 @@ static void heartbeat_onchannelcallback(void *context)
266 sizeof(struct vmbuspipe_hdr)]; 284 sizeof(struct vmbuspipe_hdr)];
267 285
268 if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) { 286 if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
269 vmbus_prep_negotiate_resp(icmsghdrp, NULL, 287 vmbus_prep_negotiate_resp(icmsghdrp, negop,
270 hbeat_txf_buf, UTIL_FW_MAJOR_MINOR, 288 hbeat_txf_buf, util_fw_version,
271 HEARTBEAT_MAJOR_MINOR); 289 hb_srv_version);
272 } else { 290 } else {
273 heartbeat_msg = 291 heartbeat_msg =
274 (struct heartbeat_msg_data *)&hbeat_txf_buf[ 292 (struct heartbeat_msg_data *)&hbeat_txf_buf[
@@ -321,6 +339,25 @@ static int util_probe(struct hv_device *dev,
321 goto error; 339 goto error;
322 340
323 hv_set_drvdata(dev, srv); 341 hv_set_drvdata(dev, srv);
342 /*
343 * Based on the host; initialize the framework and
344 * service version numbers we will negotiate.
345 */
346 switch (vmbus_proto_version) {
347 case (VERSION_WS2008):
348 util_fw_version = UTIL_WS2K8_FW_VERSION;
349 sd_srv_version = SD_WS2008_VERSION;
350 ts_srv_version = TS_WS2008_VERSION;
351 hb_srv_version = HB_WS2008_VERSION;
352 break;
353
354 default:
355 util_fw_version = UTIL_FW_VERSION;
356 sd_srv_version = SD_VERSION;
357 ts_srv_version = TS_VERSION;
358 hb_srv_version = HB_VERSION;
359 }
360
324 return 0; 361 return 0;
325 362
326error: 363error: