Linux-libre 4.7.1-gnupck-4.7.1-gnu

12 files changed, 662 insertions, 28 deletions

diff --git a/drivers/gpu/drm/vmwgfx/Makefile b/drivers/gpu/drm/vmwgfx/Makefile
index d281575bb..473d00451 100644
--- a/drivers/gpu/drm/vmwgfx/Makefile
+++ b/drivers/gpu/drm/vmwgfx/Makefile
@@ -8,6 +8,6 @@ vmwgfx-y := vmwgfx_execbuf.o vmwgfx_gmr.o vmwgfx_kms.o vmwgfx_drv.o \
 	    vmwgfx_fence.o vmwgfx_dmabuf.o vmwgfx_scrn.o vmwgfx_context.o \
 	    vmwgfx_surface.o vmwgfx_prime.o vmwgfx_mob.o vmwgfx_shader.o \
 	    vmwgfx_cmdbuf_res.o vmwgfx_cmdbuf.o vmwgfx_stdu.o \
-	    vmwgfx_cotable.o vmwgfx_so.o vmwgfx_binding.o
+	    vmwgfx_cotable.o vmwgfx_so.o vmwgfx_binding.o vmwgfx_msg.o
 
 obj-$(CONFIG_DRM_VMWGFX) := vmwgfx.o
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index 3329f623c..78b75ee3c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -839,7 +839,7 @@ static void vmw_move_notify(struct ttm_buffer_object *bo,
  */
 static void vmw_swap_notify(struct ttm_buffer_object *bo)
 {
-	ttm_bo_wait(bo, false, false, false);
+	ttm_bo_wait(bo, false, false);
 }
 
 
@@ -857,4 +857,6 @@ struct ttm_bo_driver vmw_bo_driver = {
 	.fault_reserve_notify = &vmw_ttm_fault_reserve_notify,
 	.io_mem_reserve = &vmw_ttm_io_mem_reserve,
 	.io_mem_free = &vmw_ttm_io_mem_free,
+	.lru_tail = &ttm_bo_default_lru_tail,
+	.swap_lru_tail = &ttm_bo_default_swap_lru_tail,
 };
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index 092ea81ee..265c81e6c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -421,9 +421,9 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
 	}
 
 	bo = &buf->base;
-	WARN_ON_ONCE(ttm_bo_reserve(bo, false, true, false, NULL));
+	WARN_ON_ONCE(ttm_bo_reserve(bo, false, true, NULL));
 
-	ret = ttm_bo_wait(old_bo, false, false, false);
+	ret = ttm_bo_wait(old_bo, false, false);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Failed waiting for cotable unbind.\n");
 		goto out_wait;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
index eadc981ee..0cd889015 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c
@@ -57,7 +57,7 @@ int vmw_dmabuf_pin_in_placement(struct vmw_private *dev_priv,
 
 	vmw_execbuf_release_pinned_bo(dev_priv);
 
-	ret = ttm_bo_reserve(bo, interruptible, false, false, NULL);
+	ret = ttm_bo_reserve(bo, interruptible, false, NULL);
 	if (unlikely(ret != 0))
 		goto err;
 
@@ -105,7 +105,7 @@ int vmw_dmabuf_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
 
 	vmw_execbuf_release_pinned_bo(dev_priv);
 
-	ret = ttm_bo_reserve(bo, interruptible, false, false, NULL);
+	ret = ttm_bo_reserve(bo, interruptible, false, NULL);
 	if (unlikely(ret != 0))
 		goto err;
 
@@ -188,7 +188,7 @@ int vmw_dmabuf_pin_in_start_of_vram(struct vmw_private *dev_priv,
 		return ret;
 
 	vmw_execbuf_release_pinned_bo(dev_priv);
-	ret = ttm_bo_reserve(bo, interruptible, false, false, NULL);
+	ret = ttm_bo_reserve(bo, interruptible, false, NULL);
 	if (unlikely(ret != 0))
 		goto err_unlock;
 
@@ -244,7 +244,7 @@ int vmw_dmabuf_unpin(struct vmw_private *dev_priv,
 	if (unlikely(ret != 0))
 		return ret;
 
-	ret = ttm_bo_reserve(bo, interruptible, false, false, NULL);
+	ret = ttm_bo_reserve(bo, interruptible, false, NULL);
 	if (unlikely(ret != 0))
 		goto err;
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 2a505464c..8d528fcf6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1,6 +1,6 @@
 /**************************************************************************
  *
- * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
+ * Copyright © 2009-2016 VMware, Inc., Palo Alto, CA., USA
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -44,6 +44,12 @@
 #define VMW_MIN_INITIAL_WIDTH 800
 #define VMW_MIN_INITIAL_HEIGHT 600
 
+#ifndef VMWGFX_GIT_VERSION
+#define VMWGFX_GIT_VERSION "Unknown"
+#endif
+
+#define VMWGFX_REPO "In Tree"
+
 
 /**
  * Fully encoded drm commands. Might move to vmw_drm.h
@@ -329,7 +335,7 @@ static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
 	if (unlikely(ret != 0))
 		return ret;
 
-	ret = ttm_bo_reserve(&vbo->base, false, true, false, NULL);
+	ret = ttm_bo_reserve(&vbo->base, false, true, NULL);
 	BUG_ON(ret != 0);
 	vmw_bo_pin_reserved(vbo, true);
 
@@ -616,6 +622,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 	uint32_t svga_id;
 	enum vmw_res_type i;
 	bool refuse_dma = false;
+	char host_log[100] = {0};
 
 	dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 	if (unlikely(dev_priv == NULL)) {
@@ -886,6 +893,16 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 
 	DRM_INFO("DX: %s\n", dev_priv->has_dx ? "yes." : "no.");
 
+	snprintf(host_log, sizeof(host_log), "vmwgfx: %s-%s",
+		VMWGFX_REPO, VMWGFX_GIT_VERSION);
+	vmw_host_log(host_log);
+
+	memset(host_log, 0, sizeof(host_log));
+	snprintf(host_log, sizeof(host_log), "vmwgfx: Module Version: %d.%d.%d",
+		VMWGFX_DRIVER_MAJOR, VMWGFX_DRIVER_MINOR,
+		VMWGFX_DRIVER_PATCHLEVEL);
+	vmw_host_log(host_log);
+
 	if (dev_priv->enable_fb) {
 		vmw_fifo_resource_inc(dev_priv);
 		vmw_svga_enable(dev_priv);
@@ -1543,10 +1560,8 @@ static int __init vmwgfx_init(void)
 {
 	int ret;
 
-#ifdef CONFIG_VGA_CONSOLE
 	if (vgacon_text_force())
 		return -EINVAL;
-#endif
 
 	ret = drm_pci_init(&driver, &vmw_pci_driver);
 	if (ret)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index cab0c54b4..89fb19443 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -1236,4 +1236,10 @@ static inline void vmw_mmio_write(u32 value, u32 *addr)
 {
 	WRITE_ONCE(*addr, value);
 }
+
+/**
+ * Add vmw_msg module function
+ */
+extern int vmw_host_log(const char *log);
+
 #endif
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 6ccd61d37..e29da45a2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -98,7 +98,7 @@ int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
 	kmap_offset = 0;
 	kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
 
-	ret = ttm_bo_reserve(&dmabuf->base, true, false, false, NULL);
+	ret = ttm_bo_reserve(&dmabuf->base, true, false, NULL);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("reserve failed\n");
 		return -EINVAL;
@@ -318,7 +318,7 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 	kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
 	kmap_num = (64*64*4) >> PAGE_SHIFT;
 
-	ret = ttm_bo_reserve(bo, true, false, false, NULL);
+	ret = ttm_bo_reserve(bo, true, false, NULL);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("reserve failed\n");
 		return;
@@ -1855,7 +1855,7 @@ int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
 	struct ttm_buffer_object *bo = &buf->base;
 	int ret;
 
-	ttm_bo_reserve(bo, false, false, interruptible, NULL);
+	ttm_bo_reserve(bo, false, false, NULL);
 	ret = vmw_validate_single_buffer(dev_priv, bo, interruptible,
 					 validate_as_mob);
 	if (ret)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
index 23db16008..b6126a5f1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
@@ -222,7 +222,7 @@ static void vmw_takedown_otable_base(struct vmw_private *dev_priv,
 	if (bo) {
 		int ret;
 
-		ret = ttm_bo_reserve(bo, false, true, false, NULL);
+		ret = ttm_bo_reserve(bo, false, true, NULL);
 		BUG_ON(ret != 0);
 
 		vmw_fence_single_bo(bo, NULL);
@@ -262,7 +262,7 @@ static int vmw_otable_batch_setup(struct vmw_private *dev_priv,
 	if (unlikely(ret != 0))
 		goto out_no_bo;
 
-	ret = ttm_bo_reserve(batch->otable_bo, false, true, false, NULL);
+	ret = ttm_bo_reserve(batch->otable_bo, false, true, NULL);
 	BUG_ON(ret != 0);
 	ret = vmw_bo_driver.ttm_tt_populate(batch->otable_bo->ttm);
 	if (unlikely(ret != 0))
@@ -357,7 +357,7 @@ static void vmw_otable_batch_takedown(struct vmw_private *dev_priv,
 			vmw_takedown_otable_base(dev_priv, i,
 						 &batch->otables[i]);
 
-	ret = ttm_bo_reserve(bo, false, true, false, NULL);
+	ret = ttm_bo_reserve(bo, false, true, NULL);
 	BUG_ON(ret != 0);
 
 	vmw_fence_single_bo(bo, NULL);
@@ -440,7 +440,7 @@ static int vmw_mob_pt_populate(struct vmw_private *dev_priv,
 	if (unlikely(ret != 0))
 		return ret;
 
-	ret = ttm_bo_reserve(mob->pt_bo, false, true, false, NULL);
+	ret = ttm_bo_reserve(mob->pt_bo, false, true, NULL);
 
 	BUG_ON(ret != 0);
 	ret = vmw_bo_driver.ttm_tt_populate(mob->pt_bo->ttm);
@@ -545,7 +545,7 @@ static void vmw_mob_pt_setup(struct vmw_mob *mob,
 	const struct vmw_sg_table *vsgt;
 	int ret;
 
-	ret = ttm_bo_reserve(bo, false, true, false, NULL);
+	ret = ttm_bo_reserve(bo, false, true, NULL);
 	BUG_ON(ret != 0);
 
 	vsgt = vmw_bo_sg_table(bo);
@@ -595,7 +595,7 @@ void vmw_mob_unbind(struct vmw_private *dev_priv,
 	struct ttm_buffer_object *bo = mob->pt_bo;
 
 	if (bo) {
-		ret = ttm_bo_reserve(bo, false, true, false, NULL);
+		ret = ttm_bo_reserve(bo, false, true, NULL);
 		/*
 		 * Noone else should be using this buffer.
 		 */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
new file mode 100644
index 000000000..e57a0bad7
--- /dev/null
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
@@ -0,0 +1,421 @@
+/*
+ * Copyright © 2016 VMware, Inc., Palo Alto, CA., USA
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/frame.h>
+#include <asm/hypervisor.h>
+#include "drmP.h"
+#include "vmwgfx_msg.h"
+
+
+#define MESSAGE_STATUS_SUCCESS  0x0001
+#define MESSAGE_STATUS_DORECV   0x0002
+#define MESSAGE_STATUS_CPT      0x0010
+#define MESSAGE_STATUS_HB       0x0080
+
+#define RPCI_PROTOCOL_NUM       0x49435052
+#define GUESTMSG_FLAG_COOKIE    0x80000000
+
+#define RETRIES                 3
+
+#define VMW_HYPERVISOR_MAGIC    0x564D5868
+#define VMW_HYPERVISOR_PORT     0x5658
+#define VMW_HYPERVISOR_HB_PORT  0x5659
+
+#define VMW_PORT_CMD_MSG        30
+#define VMW_PORT_CMD_HB_MSG     0
+#define VMW_PORT_CMD_OPEN_CHANNEL  (MSG_TYPE_OPEN << 16 | VMW_PORT_CMD_MSG)
+#define VMW_PORT_CMD_CLOSE_CHANNEL (MSG_TYPE_CLOSE << 16 | VMW_PORT_CMD_MSG)
+#define VMW_PORT_CMD_SENDSIZE   (MSG_TYPE_SENDSIZE << 16 | VMW_PORT_CMD_MSG)
+#define VMW_PORT_CMD_RECVSIZE   (MSG_TYPE_RECVSIZE << 16 | VMW_PORT_CMD_MSG)
+#define VMW_PORT_CMD_RECVSTATUS (MSG_TYPE_RECVSTATUS << 16 | VMW_PORT_CMD_MSG)
+
+#define HIGH_WORD(X) ((X & 0xFFFF0000) >> 16)
+
+static u32 vmw_msg_enabled = 1;
+
+enum rpc_msg_type {
+	MSG_TYPE_OPEN,
+	MSG_TYPE_SENDSIZE,
+	MSG_TYPE_SENDPAYLOAD,
+	MSG_TYPE_RECVSIZE,
+	MSG_TYPE_RECVPAYLOAD,
+	MSG_TYPE_RECVSTATUS,
+	MSG_TYPE_CLOSE,
+};
+
+struct rpc_channel {
+	u16 channel_id;
+	u32 cookie_high;
+	u32 cookie_low;
+};
+
+
+
+/**
+ * vmw_open_channel
+ *
+ * @channel: RPC channel
+ * @protocol:
+ *
+ * Returns: 0 on success
+ */
+static int vmw_open_channel(struct rpc_channel *channel, unsigned int protocol)
+{
+	unsigned long eax, ebx, ecx, edx, si = 0, di = 0;
+
+	VMW_PORT(VMW_PORT_CMD_OPEN_CHANNEL,
+		(protocol | GUESTMSG_FLAG_COOKIE), si, di,
+		VMW_HYPERVISOR_PORT,
+		VMW_HYPERVISOR_MAGIC,
+		eax, ebx, ecx, edx, si, di);
+
+	if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0)
+		return -EINVAL;
+
+	channel->channel_id  = HIGH_WORD(edx);
+	channel->cookie_high = si;
+	channel->cookie_low  = di;
+
+	return 0;
+}
+
+
+
+/**
+ * vmw_close_channel
+ *
+ * @channel: RPC channel
+ *
+ * Returns: 0 on success
+ */
+static int vmw_close_channel(struct rpc_channel *channel)
+{
+	unsigned long eax, ebx, ecx, edx, si, di;
+
+	/* Set up additional parameters */
+	si  = channel->cookie_high;
+	di  = channel->cookie_low;
+
+	VMW_PORT(VMW_PORT_CMD_CLOSE_CHANNEL,
+		0, si, di,
+		(VMW_HYPERVISOR_PORT | (channel->channel_id << 16)),
+		VMW_HYPERVISOR_MAGIC,
+		eax, ebx, ecx, edx, si, di);
+
+	if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0)
+		return -EINVAL;
+
+	return 0;
+}
+
+
+
+/**
+ * vmw_send_msg: Sends a message to the host
+ *
+ * @channel: RPC channel
+ * @logmsg: NULL terminated string
+ *
+ * Returns: 0 on success
+ */
+static int vmw_send_msg(struct rpc_channel *channel, const char *msg)
+{
+	unsigned long eax, ebx, ecx, edx, si, di, bp;
+	size_t msg_len = strlen(msg);
+	int retries = 0;
+
+
+	while (retries < RETRIES) {
+		retries++;
+
+		/* Set up additional parameters */
+		si  = channel->cookie_high;
+		di  = channel->cookie_low;
+
+		VMW_PORT(VMW_PORT_CMD_SENDSIZE,
+			msg_len, si, di,
+			VMW_HYPERVISOR_PORT | (channel->channel_id << 16),
+			VMW_HYPERVISOR_MAGIC,
+			eax, ebx, ecx, edx, si, di);
+
+		if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0 ||
+		    (HIGH_WORD(ecx) & MESSAGE_STATUS_HB) == 0) {
+			/* Expected success + high-bandwidth. Give up. */
+			return -EINVAL;
+		}
+
+		/* Send msg */
+		si  = (uintptr_t) msg;
+		di  = channel->cookie_low;
+		bp  = channel->cookie_high;
+
+		VMW_PORT_HB_OUT(
+			(MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG,
+			msg_len, si, di,
+			VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16),
+			VMW_HYPERVISOR_MAGIC, bp,
+			eax, ebx, ecx, edx, si, di);
+
+		if ((HIGH_WORD(ebx) & MESSAGE_STATUS_SUCCESS) != 0) {
+			return 0;
+		} else if ((HIGH_WORD(ebx) & MESSAGE_STATUS_CPT) != 0) {
+			/* A checkpoint occurred. Retry. */
+			continue;
+		} else {
+			break;
+		}
+	}
+
+	return -EINVAL;
+}
+STACK_FRAME_NON_STANDARD(vmw_send_msg);
+
+
+/**
+ * vmw_recv_msg: Receives a message from the host
+ *
+ * Note:  It is the caller's responsibility to call kfree() on msg.
+ *
+ * @channel:  channel opened by vmw_open_channel
+ * @msg:  [OUT] message received from the host
+ * @msg_len: message length
+ */
+static int vmw_recv_msg(struct rpc_channel *channel, void **msg,
+			size_t *msg_len)
+{
+	unsigned long eax, ebx, ecx, edx, si, di, bp;
+	char *reply;
+	size_t reply_len;
+	int retries = 0;
+
+
+	*msg_len = 0;
+	*msg = NULL;
+
+	while (retries < RETRIES) {
+		retries++;
+
+		/* Set up additional parameters */
+		si  = channel->cookie_high;
+		di  = channel->cookie_low;
+
+		VMW_PORT(VMW_PORT_CMD_RECVSIZE,
+			0, si, di,
+			(VMW_HYPERVISOR_PORT | (channel->channel_id << 16)),
+			VMW_HYPERVISOR_MAGIC,
+			eax, ebx, ecx, edx, si, di);
+
+		if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0 ||
+		    (HIGH_WORD(ecx) & MESSAGE_STATUS_HB) == 0) {
+			DRM_ERROR("Failed to get reply size\n");
+			return -EINVAL;
+		}
+
+		/* No reply available.  This is okay. */
+		if ((HIGH_WORD(ecx) & MESSAGE_STATUS_DORECV) == 0)
+			return 0;
+
+		reply_len = ebx;
+		reply     = kzalloc(reply_len + 1, GFP_KERNEL);
+		if (reply == NULL) {
+			DRM_ERROR("Cannot allocate memory for reply\n");
+			return -ENOMEM;
+		}
+
+
+		/* Receive buffer */
+		si  = channel->cookie_high;
+		di  = (uintptr_t) reply;
+		bp  = channel->cookie_low;
+
+		VMW_PORT_HB_IN(
+			(MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG,
+			reply_len, si, di,
+			VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16),
+			VMW_HYPERVISOR_MAGIC, bp,
+			eax, ebx, ecx, edx, si, di);
+
+		if ((HIGH_WORD(ebx) & MESSAGE_STATUS_SUCCESS) == 0) {
+			kfree(reply);
+
+			if ((HIGH_WORD(ebx) & MESSAGE_STATUS_CPT) != 0) {
+				/* A checkpoint occurred. Retry. */
+				continue;
+			}
+
+			return -EINVAL;
+		}
+
+		reply[reply_len] = '\0';
+
+
+		/* Ack buffer */
+		si  = channel->cookie_high;
+		di  = channel->cookie_low;
+
+		VMW_PORT(VMW_PORT_CMD_RECVSTATUS,
+			MESSAGE_STATUS_SUCCESS, si, di,
+			(VMW_HYPERVISOR_PORT | (channel->channel_id << 16)),
+			VMW_HYPERVISOR_MAGIC,
+			eax, ebx, ecx, edx, si, di);
+
+		if ((HIGH_WORD(ecx) & MESSAGE_STATUS_SUCCESS) == 0) {
+			kfree(reply);
+
+			if ((HIGH_WORD(ecx) & MESSAGE_STATUS_CPT) != 0) {
+				/* A checkpoint occurred. Retry. */
+				continue;
+			}
+
+			return -EINVAL;
+		}
+
+		break;
+	}
+
+	if (retries == RETRIES)
+		return -EINVAL;
+
+	*msg_len = reply_len;
+	*msg     = reply;
+
+	return 0;
+}
+STACK_FRAME_NON_STANDARD(vmw_recv_msg);
+
+
+/**
+ * vmw_host_get_guestinfo: Gets a GuestInfo parameter
+ *
+ * Gets the value of a  GuestInfo.* parameter.  The value returned will be in
+ * a string, and it is up to the caller to post-process.
+ *
+ * @guest_info_param:  Parameter to get, e.g. GuestInfo.svga.gl3
+ * @buffer: if NULL, *reply_len will contain reply size.
+ * @length: size of the reply_buf.  Set to size of reply upon return
+ *
+ * Returns: 0 on success
+ */
+int vmw_host_get_guestinfo(const char *guest_info_param,
+			   char *buffer, size_t *length)
+{
+	struct rpc_channel channel;
+	char *msg, *reply = NULL;
+	size_t msg_len, reply_len = 0;
+	int ret = 0;
+
+
+	if (!vmw_msg_enabled)
+		return -ENODEV;
+
+	if (!guest_info_param || !length)
+		return -EINVAL;
+
+	msg_len = strlen(guest_info_param) + strlen("info-get ") + 1;
+	msg = kzalloc(msg_len, GFP_KERNEL);
+	if (msg == NULL) {
+		DRM_ERROR("Cannot allocate memory to get %s", guest_info_param);
+		return -ENOMEM;
+	}
+
+	sprintf(msg, "info-get %s", guest_info_param);
+
+	if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM) ||
+	    vmw_send_msg(&channel, msg) ||
+	    vmw_recv_msg(&channel, (void *) &reply, &reply_len) ||
+	    vmw_close_channel(&channel)) {
+		DRM_ERROR("Failed to get %s", guest_info_param);
+
+		ret = -EINVAL;
+	}
+
+	if (buffer && reply && reply_len > 0) {
+		/* Remove reply code, which are the first 2 characters of
+		 * the reply
+		 */
+		reply_len = max(reply_len - 2, (size_t) 0);
+		reply_len = min(reply_len, *length);
+
+		if (reply_len > 0)
+			memcpy(buffer, reply + 2, reply_len);
+	}
+
+	*length = reply_len;
+
+	kfree(reply);
+	kfree(msg);
+
+	return ret;
+}
+
+
+
+/**
+ * vmw_host_log: Sends a log message to the host
+ *
+ * @log: NULL terminated string
+ *
+ * Returns: 0 on success
+ */
+int vmw_host_log(const char *log)
+{
+	struct rpc_channel channel;
+	char *msg;
+	int msg_len;
+	int ret = 0;
+
+
+	if (!vmw_msg_enabled)
+		return -ENODEV;
+
+	if (!log)
+		return ret;
+
+	msg_len = strlen(log) + strlen("log ") + 1;
+	msg = kzalloc(msg_len, GFP_KERNEL);
+	if (msg == NULL) {
+		DRM_ERROR("Cannot allocate memory for log message\n");
+		return -ENOMEM;
+	}
+
+	sprintf(msg, "log %s", log);
+
+	if (vmw_open_channel(&channel, RPCI_PROTOCOL_NUM) ||
+	    vmw_send_msg(&channel, msg) ||
+	    vmw_close_channel(&channel)) {
+		DRM_ERROR("Failed to send log\n");
+
+		ret = -EINVAL;
+	}
+
+	kfree(msg);
+
+	return ret;
+}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h
new file mode 100644
index 000000000..557a033fb
--- /dev/null
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h
@@ -0,0 +1,191 @@
+/*
+ * Copyright (C) 2016, VMware, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * Based on code from vmware.c and vmmouse.c.
+ * Author:
+ *   Sinclair Yeh <syeh@vmware.com>
+ */
+#ifndef _VMWGFX_MSG_H
+#define _VMWGFX_MSG_H
+
+
+/**
+ * Hypervisor-specific bi-directional communication channel.  Should never
+ * execute on bare metal hardware.  The caller must make sure to check for
+ * supported hypervisor before using these macros.
+ *
+ * The last two parameters are both input and output and must be initialized.
+ *
+ * @cmd: [IN] Message Cmd
+ * @in_ebx: [IN] Message Len, through EBX
+ * @in_si: [IN] Input argument through SI, set to 0 if not used
+ * @in_di: [IN] Input argument through DI, set ot 0 if not used
+ * @port_num: [IN] port number + [channel id]
+ * @magic: [IN] hypervisor magic value
+ * @eax: [OUT] value of EAX register
+ * @ebx: [OUT] e.g. status from an HB message status command
+ * @ecx: [OUT] e.g. status from a non-HB message status command
+ * @edx: [OUT] e.g. channel id
+ * @si:  [OUT]
+ * @di:  [OUT]
+ */
+#define VMW_PORT(cmd, in_ebx, in_si, in_di,	\
+		 port_num, magic,		\
+		 eax, ebx, ecx, edx, si, di)	\
+({						\
+	asm volatile ("inl %%dx, %%eax;" :	\
+		"=a"(eax),			\
+		"=b"(ebx),			\
+		"=c"(ecx),			\
+		"=d"(edx),			\
+		"=S"(si),			\
+		"=D"(di) :			\
+		"a"(magic),			\
+		"b"(in_ebx),			\
+		"c"(cmd),			\
+		"d"(port_num),			\
+		"S"(in_si),			\
+		"D"(in_di) :			\
+		"memory");			\
+})
+
+
+/**
+ * Hypervisor-specific bi-directional communication channel.  Should never
+ * execute on bare metal hardware.  The caller must make sure to check for
+ * supported hypervisor before using these macros.
+ *
+ * The last 3 parameters are both input and output and must be initialized.
+ *
+ * @cmd: [IN] Message Cmd
+ * @in_ecx: [IN] Message Len, through ECX
+ * @in_si: [IN] Input argument through SI, set to 0 if not used
+ * @in_di: [IN] Input argument through DI, set to 0 if not used
+ * @port_num: [IN] port number + [channel id]
+ * @magic: [IN] hypervisor magic value
+ * @bp:  [IN]
+ * @eax: [OUT] value of EAX register
+ * @ebx: [OUT] e.g. status from an HB message status command
+ * @ecx: [OUT] e.g. status from a non-HB message status command
+ * @edx: [OUT] e.g. channel id
+ * @si:  [OUT]
+ * @di:  [OUT]
+ */
+#ifdef __x86_64__
+
+#define VMW_PORT_HB_OUT(cmd, in_ecx, in_si, in_di,	\
+			port_num, magic, bp,		\
+			eax, ebx, ecx, edx, si, di)	\
+({							\
+	asm volatile ("push %%rbp;"			\
+		"mov %12, %%rbp;"			\
+		"rep outsb;"				\
+		"pop %%rbp;" :				\
+		"=a"(eax),				\
+		"=b"(ebx),				\
+		"=c"(ecx),				\
+		"=d"(edx),				\
+		"=S"(si),				\
+		"=D"(di) :				\
+		"a"(magic),				\
+		"b"(cmd),				\
+		"c"(in_ecx),				\
+		"d"(port_num),				\
+		"S"(in_si),				\
+		"D"(in_di),				\
+		"r"(bp) :				\
+		"memory", "cc");			\
+})
+
+
+#define VMW_PORT_HB_IN(cmd, in_ecx, in_si, in_di,	\
+		       port_num, magic, bp,		\
+		       eax, ebx, ecx, edx, si, di)	\
+({							\
+	asm volatile ("push %%rbp;"			\
+		"mov %12, %%rbp;"			\
+		"rep insb;"				\
+		"pop %%rbp" :				\
+		"=a"(eax),				\
+		"=b"(ebx),				\
+		"=c"(ecx),				\
+		"=d"(edx),				\
+		"=S"(si),				\
+		"=D"(di) :				\
+		"a"(magic),				\
+		"b"(cmd),				\
+		"c"(in_ecx),				\
+		"d"(port_num),				\
+		"S"(in_si),				\
+		"D"(in_di),				\
+		"r"(bp) :				\
+		"memory", "cc");			\
+})
+
+#else
+
+/* In the 32-bit version of this macro, we use "m" because there is no
+ * more register left for bp
+ */
+#define VMW_PORT_HB_OUT(cmd, in_ecx, in_si, in_di,	\
+			port_num, magic, bp,		\
+			eax, ebx, ecx, edx, si, di)	\
+({							\
+	asm volatile ("push %%ebp;"			\
+		"mov %12, %%ebp;"			\
+		"rep outsb;"				\
+		"pop %%ebp;" :				\
+		"=a"(eax),				\
+		"=b"(ebx),				\
+		"=c"(ecx),				\
+		"=d"(edx),				\
+		"=S"(si),				\
+		"=D"(di) :				\
+		"a"(magic),				\
+		"b"(cmd),				\
+		"c"(in_ecx),				\
+		"d"(port_num),				\
+		"S"(in_si),				\
+		"D"(in_di),				\
+		"m"(bp) :				\
+		"memory", "cc");			\
+})
+
+
+#define VMW_PORT_HB_IN(cmd, in_ecx, in_si, in_di,	\
+		       port_num, magic, bp,		\
+		       eax, ebx, ecx, edx, si, di)	\
+({							\
+	asm volatile ("push %%ebp;"			\
+		"mov %12, %%ebp;"			\
+		"rep insb;"				\
+		"pop %%ebp" :				\
+		"=a"(eax),				\
+		"=b"(ebx),				\
+		"=c"(ecx),				\
+		"=d"(edx),				\
+		"=S"(si),				\
+		"=D"(di) :				\
+		"a"(magic),				\
+		"b"(cmd),				\
+		"c"(in_ecx),				\
+		"d"(port_num),				\
+		"S"(in_si),				\
+		"D"(in_di),				\
+		"m"(bp) :				\
+		"memory", "cc");			\
+})
+#endif /* #if __x86_64__ */
+
+#endif
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index e57667ca7..6a328d507 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -129,7 +129,7 @@ static void vmw_resource_release(struct kref *kref)
 	if (res->backup) {
 		struct ttm_buffer_object *bo = &res->backup->base;
 
-		ttm_bo_reserve(bo, false, false, false, NULL);
+		ttm_bo_reserve(bo, false, false, NULL);
 		if (!list_empty(&res->mob_head) &&
 		    res->func->unbind != NULL) {
 			struct ttm_validate_buffer val_buf;
@@ -1512,7 +1512,7 @@ void vmw_resource_move_notify(struct ttm_buffer_object *bo,
 			list_del_init(&res->mob_head);
 		}
 
-		(void) ttm_bo_wait(bo, false, false, false);
+		(void) ttm_bo_wait(bo, false, false);
 	}
 }
 
@@ -1605,7 +1605,7 @@ void vmw_query_move_notify(struct ttm_buffer_object *bo,
 		if (fence != NULL)
 			vmw_fence_obj_unreference(&fence);
 
-		(void) ttm_bo_wait(bo, false, false, false);
+		(void) ttm_bo_wait(bo, false, false);
 	} else
 		mutex_unlock(&dev_priv->binding_mutex);
 
@@ -1717,8 +1717,7 @@ int vmw_resource_pin(struct vmw_resource *res, bool interruptible)
 		if (res->backup) {
 			vbo = res->backup;
 
-			ttm_bo_reserve(&vbo->base, interruptible, false, false,
-				       NULL);
+			ttm_bo_reserve(&vbo->base, interruptible, false, NULL);
 			if (!vbo->pin_count) {
 				ret = ttm_bo_validate
 					(&vbo->base,
@@ -1773,7 +1772,7 @@ void vmw_resource_unpin(struct vmw_resource *res)
 	if (--res->pin_count == 0 && res->backup) {
 		struct vmw_dma_buffer *vbo = res->backup;
 
-		ttm_bo_reserve(&vbo->base, false, false, false, NULL);
+		ttm_bo_reserve(&vbo->base, false, false, NULL);
 		vmw_bo_pin_reserved(vbo, false);
 		ttm_bo_unreserve(&vbo->base);
 	}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index fd47547b0..92f8b1d04 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -988,7 +988,7 @@ int vmw_compat_shader_add(struct vmw_private *dev_priv,
 	if (unlikely(ret != 0))
 		goto out;
 
-	ret = ttm_bo_reserve(&buf->base, false, true, false, NULL);
+	ret = ttm_bo_reserve(&buf->base, false, true, NULL);
 	if (unlikely(ret != 0))
 		goto no_reserve;