Merge tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here's the big char/misc driver pull request for 4.2-rc1.

  Lots of mei, extcon, coresight, uio, mic, and other driver updates in
  here.  Full details in the shortlog.  All of these have been in
  linux-next for some time with no reported problems"

* tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (176 commits)
  mei: me: wait for power gating exit confirmation
  mei: reset flow control on the last client disconnection
  MAINTAINERS: mei: add mei_cl_bus.h to maintained file list
  misc: sram: sort and clean up included headers
  misc: sram: move reserved block logic out of probe function
  misc: sram: add private struct device and virt_base members
  misc: sram: report correct SRAM pool size
  misc: sram: bump error message level on unclean driver unbinding
  misc: sram: fix device node reference leak on error
  misc: sram: fix enabled clock leak on error path
  misc: mic: Fix reported static checker warning
  misc: mic: Fix randconfig build error by including errno.h
  uio: pruss: Drop depends on ARCH_DAVINCI_DA850 from config
  uio: pruss: Add CONFIG_HAS_IOMEM dependence
  uio: pruss: Include <linux/sizes.h>
  extcon: Redefine the unique id of supported external connectors without 'enum extcon' type
  char:xilinx_hwicap:buffer_icap - change 1/0 to true/false for bool type variable in function buffer_icap_set_configuration().
  Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion
  parport: check exclusive access before register
  w1: use correct lock on error in w1_seq_show()
  ...

4 files changed, 150 insertions, 1 deletions

diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 4460e5820b0e..baa7c80da6af 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -352,6 +352,7 @@ header-y += rtc.h
 header-y += rtnetlink.h
 header-y += scc.h
 header-y += sched.h
+header-y += scif_ioctl.h
 header-y += screen_info.h
 header-y += sctp.h
 header-y += sdla.h
diff --git a/include/uapi/linux/hyperv.h b/include/uapi/linux/hyperv.h
index bb1cb73c927a..e4c0a35d6417 100644
--- a/include/uapi/linux/hyperv.h
+++ b/include/uapi/linux/hyperv.h
@@ -45,6 +45,11 @@
 
 #define VSS_OP_REGISTER 128
 
+/*
+  Daemon code with full handshake support.
+ */
+#define VSS_OP_REGISTER1 129
+
 enum hv_vss_op {
         VSS_OP_CREATE = 0,
         VSS_OP_DELETE,
@@ -100,7 +105,8 @@ struct hv_vss_msg {
  */
 
 #define FCOPY_VERSION_0 0
-#define FCOPY_CURRENT_VERSION FCOPY_VERSION_0
+#define FCOPY_VERSION_1 1
+#define FCOPY_CURRENT_VERSION FCOPY_VERSION_1
 #define W_MAX_PATH 260
 
 enum hv_fcopy_op {
diff --git a/include/uapi/linux/mic_common.h b/include/uapi/linux/mic_common.h
index 6eb40244e019..302a2ced373c 100644
--- a/include/uapi/linux/mic_common.h
+++ b/include/uapi/linux/mic_common.h
@@ -80,6 +80,12 @@ struct mic_device_ctrl {
  * @h2c_config_db: Host to Card Virtio config doorbell set by card
  * @shutdown_status: Card shutdown status set by card
  * @shutdown_card: Set to 1 by the host when a card shutdown is initiated
+ * @tot_nodes: Total number of nodes in the SCIF network
+ * @node_id: Unique id of the node
+ * @h2c_scif_db - Host to card SCIF doorbell set by card
+ * @c2h_scif_db - Card to host SCIF doorbell set by host
+ * @scif_host_dma_addr - SCIF host queue pair DMA address
+ * @scif_card_dma_addr - SCIF card queue pair DMA address
  */
 struct mic_bootparam {
         __le32 magic;
@@ -88,6 +94,12 @@ struct mic_bootparam {
         __s8 h2c_config_db;
         __u8 shutdown_status;
         __u8 shutdown_card;
+        __u8 tot_nodes;
+        __u8 node_id;
+        __u8 h2c_scif_db;
+        __u8 c2h_scif_db;
+        __u64 scif_host_dma_addr;
+        __u64 scif_card_dma_addr;
 } __attribute__ ((aligned(8)));
 
 /**
diff --git a/include/uapi/linux/scif_ioctl.h b/include/uapi/linux/scif_ioctl.h
new file mode 100644
index 000000000000..4a94d917cf99
--- /dev/null
+++ b/include/uapi/linux/scif_ioctl.h
@@ -0,0 +1,130 @@
+/*
+ * Intel MIC Platform Software Stack (MPSS)
+ *
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2014 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License 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.
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2014 Intel Corporation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in
+ *   the documentation and/or other materials provided with the
+ *   distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Intel SCIF driver.
+ *
+ */
+/*
+ * -----------------------------------------
+ * SCIF IOCTL interface information
+ * -----------------------------------------
+ */
+#ifndef SCIF_IOCTL_H
+#define SCIF_IOCTL_H
+
+#include <linux/types.h>
+
+/**
+ * struct scif_port_id - SCIF port information
+ * @node:       node on which port resides
+ * @port:       local port number
+ */
+struct scif_port_id {
+        __u16 node;
+        __u16 port;
+};
+
+/**
+ * struct scifioctl_connect - used for SCIF_CONNECT IOCTL
+ * @self:       used to read back the assigned port_id
+ * @peer:       destination node and port to connect to
+ */
+struct scifioctl_connect {
+        struct scif_port_id     self;
+        struct scif_port_id     peer;
+};
+
+/**
+ * struct scifioctl_accept - used for SCIF_ACCEPTREQ IOCTL
+ * @flags:      flags
+ * @peer:       global id of peer endpoint
+ * @endpt:      new connected endpoint descriptor
+ */
+struct scifioctl_accept {
+        __s32                   flags;
+        struct scif_port_id     peer;
+        __u64                   endpt;
+};
+
+/**
+ * struct scifioctl_msg - used for SCIF_SEND/SCIF_RECV IOCTL
+ * @msg:        message buffer address
+ * @len:        message length
+ * @flags:      flags
+ * @out_len:    number of bytes sent/received
+ */
+struct scifioctl_msg {
+        __u64   msg;
+        __s32   len;
+        __s32   flags;
+        __s32   out_len;
+};
+
+/**
+ * struct scifioctl_node_ids - used for SCIF_GET_NODEIDS IOCTL
+ * @nodes:      pointer to an array of node_ids
+ * @self:       ID of the current node
+ * @len:        length of array
+ */
+struct scifioctl_node_ids {
+        __u64   nodes;
+        __u64   self;
+        __s32   len;
+};
+
+#define SCIF_BIND               _IOWR('s', 1, __u64)
+#define SCIF_LISTEN             _IOW('s', 2, __s32)
+#define SCIF_CONNECT            _IOWR('s', 3, struct scifioctl_connect)
+#define SCIF_ACCEPTREQ          _IOWR('s', 4, struct scifioctl_accept)
+#define SCIF_ACCEPTREG          _IOWR('s', 5, __u64)
+#define SCIF_SEND               _IOWR('s', 6, struct scifioctl_msg)
+#define SCIF_RECV               _IOWR('s', 7, struct scifioctl_msg)
+#define SCIF_GET_NODEIDS        _IOWR('s', 14, struct scifioctl_node_ids)
+
+#endif /* SCIF_IOCTL_H */