Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 412 insertions, 0 deletions

diff --git a/kernel/drivers/isdn/hardware/eicon/divasproc.c b/kernel/drivers/isdn/hardware/eicon/divasproc.c
new file mode 100644
index 000000000..56ce98a4e
--- /dev/null
+++ b/kernel/drivers/isdn/hardware/eicon/divasproc.c
@@ -0,0 +1,412 @@
+/* $Id: divasproc.c,v 1.19.4.3 2005/01/31 12:22:20 armin Exp $
+ *
+ * Low level driver for Eicon DIVA Server ISDN cards.
+ * /proc functions
+ *
+ * Copyright 2000-2003 by Armin Schindler (mac@melware.de)
+ * Copyright 2000-2003 Cytronics & Melware (info@melware.de)
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/poll.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/list.h>
+#include <asm/uaccess.h>
+
+#include "platform.h"
+#include "debuglib.h"
+#undef ID_MASK
+#undef N_DATA
+#include "pc.h"
+#include "di_defs.h"
+#include "divasync.h"
+#include "di.h"
+#include "io.h"
+#include "xdi_msg.h"
+#include "xdi_adapter.h"
+#include "diva.h"
+#include "diva_pci.h"
+
+
+extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];
+extern void divas_get_version(char *);
+extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf);
+
+/*********************************************************
+ ** Functions for /proc interface / File operations
+ *********************************************************/
+
+static char *divas_proc_name = "divas";
+static char *adapter_dir_name = "adapter";
+static char *info_proc_name = "info";
+static char *grp_opt_proc_name = "group_optimization";
+static char *d_l1_down_proc_name = "dynamic_l1_down";
+
+/*
+** "divas" entry
+*/
+
+extern struct proc_dir_entry *proc_net_eicon;
+static struct proc_dir_entry *divas_proc_entry = NULL;
+
+static ssize_t
+divas_read(struct file *file, char __user *buf, size_t count, loff_t *off)
+{
+	int len = 0;
+	int cadapter;
+	char tmpbuf[80];
+	char tmpser[16];
+
+	if (*off)
+		return 0;
+
+	divas_get_version(tmpbuf);
+	if (copy_to_user(buf + len, &tmpbuf, strlen(tmpbuf)))
+		return -EFAULT;
+	len += strlen(tmpbuf);
+
+	for (cadapter = 0; cadapter < MAX_ADAPTER; cadapter++) {
+		if (IoAdapters[cadapter]) {
+			diva_get_vserial_number(IoAdapters[cadapter],
+						tmpser);
+			sprintf(tmpbuf,
+				"%2d: %-30s Serial:%-10s IRQ:%2d\n",
+				cadapter + 1,
+				IoAdapters[cadapter]->Properties.Name,
+				tmpser,
+				IoAdapters[cadapter]->irq_info.irq_nr);
+			if ((strlen(tmpbuf) + len) > count)
+				break;
+			if (copy_to_user
+			    (buf + len, &tmpbuf,
+			     strlen(tmpbuf))) return -EFAULT;
+			len += strlen(tmpbuf);
+		}
+	}
+
+	*off += len;
+	return (len);
+}
+
+static ssize_t
+divas_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
+{
+	return (-ENODEV);
+}
+
+static unsigned int divas_poll(struct file *file, poll_table *wait)
+{
+	return (POLLERR);
+}
+
+static int divas_open(struct inode *inode, struct file *file)
+{
+	return nonseekable_open(inode, file);
+}
+
+static int divas_close(struct inode *inode, struct file *file)
+{
+	return (0);
+}
+
+static const struct file_operations divas_fops = {
+	.owner   = THIS_MODULE,
+	.llseek  = no_llseek,
+	.read    = divas_read,
+	.write   = divas_write,
+	.poll    = divas_poll,
+	.open    = divas_open,
+	.release = divas_close
+};
+
+int create_divas_proc(void)
+{
+	divas_proc_entry = proc_create(divas_proc_name, S_IFREG | S_IRUGO,
+				       proc_net_eicon, &divas_fops);
+	if (!divas_proc_entry)
+		return (0);
+
+	return (1);
+}
+
+void remove_divas_proc(void)
+{
+	if (divas_proc_entry) {
+		remove_proc_entry(divas_proc_name, proc_net_eicon);
+		divas_proc_entry = NULL;
+	}
+}
+
+static ssize_t grp_opt_proc_write(struct file *file, const char __user *buffer,
+				  size_t count, loff_t *pos)
+{
+	diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
+	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
+
+	if ((count == 1) || (count == 2)) {
+		char c;
+		if (get_user(c, buffer))
+			return -EFAULT;
+		switch (c) {
+		case '0':
+			IoAdapter->capi_cfg.cfg_1 &=
+				~DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
+			break;
+		case '1':
+			IoAdapter->capi_cfg.cfg_1 |=
+				DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON;
+			break;
+		default:
+			return (-EINVAL);
+		}
+		return (count);
+	}
+	return (-EINVAL);
+}
+
+static ssize_t d_l1_down_proc_write(struct file *file, const char __user *buffer,
+				    size_t count, loff_t *pos)
+{
+	diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
+	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
+
+	if ((count == 1) || (count == 2)) {
+		char c;
+		if (get_user(c, buffer))
+			return -EFAULT;
+		switch (c) {
+		case '0':
+			IoAdapter->capi_cfg.cfg_1 &=
+				~DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
+			break;
+		case '1':
+			IoAdapter->capi_cfg.cfg_1 |=
+				DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON;
+			break;
+		default:
+			return (-EINVAL);
+		}
+		return (count);
+	}
+	return (-EINVAL);
+}
+
+static int d_l1_down_proc_show(struct seq_file *m, void *v)
+{
+	diva_os_xdi_adapter_t *a = m->private;
+	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
+
+	seq_printf(m, "%s\n",
+		   (IoAdapter->capi_cfg.
+		    cfg_1 & DIVA_XDI_CAPI_CFG_1_DYNAMIC_L1_ON) ? "1" :
+		   "0");
+	return 0;
+}
+
+static int d_l1_down_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, d_l1_down_proc_show, PDE_DATA(inode));
+}
+
+static const struct file_operations d_l1_down_proc_fops = {
+	.owner		= THIS_MODULE,
+	.open		= d_l1_down_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+	.write		= d_l1_down_proc_write,
+};
+
+static int grp_opt_proc_show(struct seq_file *m, void *v)
+{
+	diva_os_xdi_adapter_t *a = m->private;
+	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
+
+	seq_printf(m, "%s\n",
+		   (IoAdapter->capi_cfg.
+		    cfg_1 & DIVA_XDI_CAPI_CFG_1_GROUP_POPTIMIZATION_ON)
+		   ? "1" : "0");
+	return 0;
+}
+
+static int grp_opt_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, grp_opt_proc_show, PDE_DATA(inode));
+}
+
+static const struct file_operations grp_opt_proc_fops = {
+	.owner		= THIS_MODULE,
+	.open		= grp_opt_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+	.write		= grp_opt_proc_write,
+};
+
+static ssize_t info_proc_write(struct file *file, const char __user *buffer,
+			       size_t count, loff_t *pos)
+{
+	diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
+	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
+	char c[4];
+
+	if (count <= 4)
+		return -EINVAL;
+
+	if (copy_from_user(c, buffer, 4))
+		return -EFAULT;
+
+	/* this is for test purposes only */
+	if (!memcmp(c, "trap", 4)) {
+		(*(IoAdapter->os_trap_nfy_Fnc)) (IoAdapter, IoAdapter->ANum);
+		return (count);
+	}
+	return (-EINVAL);
+}
+
+static int info_proc_show(struct seq_file *m, void *v)
+{
+	int i = 0;
+	char *p;
+	char tmpser[16];
+	diva_os_xdi_adapter_t *a = m->private;
+	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
+
+	seq_printf(m, "Name        : %s\n", IoAdapter->Properties.Name);
+	seq_printf(m, "DSP state   : %08x\n", a->dsp_mask);
+	seq_printf(m, "Channels    : %02d\n", IoAdapter->Properties.Channels);
+	seq_printf(m, "E. max/used : %03d/%03d\n",
+		   IoAdapter->e_max, IoAdapter->e_count);
+	diva_get_vserial_number(IoAdapter, tmpser);
+	seq_printf(m, "Serial      : %s\n", tmpser);
+	seq_printf(m, "IRQ         : %d\n", IoAdapter->irq_info.irq_nr);
+	seq_printf(m, "CardIndex   : %d\n", a->CardIndex);
+	seq_printf(m, "CardOrdinal : %d\n", a->CardOrdinal);
+	seq_printf(m, "Controller  : %d\n", a->controller);
+	seq_printf(m, "Bus-Type    : %s\n",
+		   (a->Bus ==
+		    DIVAS_XDI_ADAPTER_BUS_ISA) ? "ISA" : "PCI");
+	seq_printf(m, "Port-Name   : %s\n", a->port_name);
+	if (a->Bus == DIVAS_XDI_ADAPTER_BUS_PCI) {
+		seq_printf(m, "PCI-bus     : %d\n", a->resources.pci.bus);
+		seq_printf(m, "PCI-func    : %d\n", a->resources.pci.func);
+		for (i = 0; i < 8; i++) {
+			if (a->resources.pci.bar[i]) {
+				seq_printf(m,
+					   "Mem / I/O %d : 0x%x / mapped : 0x%lx",
+					   i, a->resources.pci.bar[i],
+					   (unsigned long) a->resources.
+					   pci.addr[i]);
+				if (a->resources.pci.length[i]) {
+					seq_printf(m,
+						   " / length : %d",
+						   a->resources.pci.
+						   length[i]);
+				}
+				seq_putc(m, '\n');
+			}
+		}
+	}
+	if ((!a->xdi_adapter.port) &&
+	    ((!a->xdi_adapter.ram) ||
+	     (!a->xdi_adapter.reset)
+	     || (!a->xdi_adapter.cfg))) {
+		if (!IoAdapter->irq_info.irq_nr) {
+			p = "slave";
+		} else {
+			p = "out of service";
+		}
+	} else if (a->xdi_adapter.trapped) {
+		p = "trapped";
+	} else if (a->xdi_adapter.Initialized) {
+		p = "active";
+	} else {
+		p = "ready";
+	}
+	seq_printf(m, "State       : %s\n", p);
+
+	return 0;
+}
+
+static int info_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, info_proc_show, PDE_DATA(inode));
+}
+
+static const struct file_operations info_proc_fops = {
+	.owner		= THIS_MODULE,
+	.open		= info_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+	.write		= info_proc_write,
+};
+
+/*
+** adapter proc init/de-init
+*/
+
+/* --------------------------------------------------------------------------
+   Create adapter directory and files in proc file system
+   -------------------------------------------------------------------------- */
+int create_adapter_proc(diva_os_xdi_adapter_t *a)
+{
+	struct proc_dir_entry *de, *pe;
+	char tmp[16];
+
+	sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
+	if (!(de = proc_mkdir(tmp, proc_net_eicon)))
+		return (0);
+	a->proc_adapter_dir = (void *) de;
+
+	pe = proc_create_data(info_proc_name, S_IRUGO | S_IWUSR, de,
+			      &info_proc_fops, a);
+	if (!pe)
+		return (0);
+	a->proc_info = (void *) pe;
+
+	pe = proc_create_data(grp_opt_proc_name, S_IRUGO | S_IWUSR, de,
+			      &grp_opt_proc_fops, a);
+	if (pe)
+		a->proc_grp_opt = (void *) pe;
+	pe = proc_create_data(d_l1_down_proc_name, S_IRUGO | S_IWUSR, de,
+			      &d_l1_down_proc_fops, a);
+	if (pe)
+		a->proc_d_l1_down = (void *) pe;
+
+	DBG_TRC(("proc entry %s created", tmp));
+
+	return (1);
+}
+
+/* --------------------------------------------------------------------------
+   Remove adapter directory and files in proc file system
+   -------------------------------------------------------------------------- */
+void remove_adapter_proc(diva_os_xdi_adapter_t *a)
+{
+	char tmp[16];
+
+	if (a->proc_adapter_dir) {
+		if (a->proc_d_l1_down) {
+			remove_proc_entry(d_l1_down_proc_name,
+					  (struct proc_dir_entry *) a->proc_adapter_dir);
+		}
+		if (a->proc_grp_opt) {
+			remove_proc_entry(grp_opt_proc_name,
+					  (struct proc_dir_entry *) a->proc_adapter_dir);
+		}
+		if (a->proc_info) {
+			remove_proc_entry(info_proc_name,
+					  (struct proc_dir_entry *) a->proc_adapter_dir);
+		}
+		sprintf(tmp, "%s%d", adapter_dir_name, a->controller);
+		remove_proc_entry(tmp, proc_net_eicon);
+		DBG_TRC(("proc entry %s%d removed", adapter_dir_name,
+			 a->controller));
+	}
+}