Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 287 insertions, 0 deletions

diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c
new file mode 100644
index 00000000..4dbe3609
--- /dev/null
+++ b/drivers/rapidio/rio-sysfs.c
@@ -0,0 +1,287 @@
+/*
+ * RapidIO sysfs attributes and support
+ *
+ * Copyright 2005 MontaVista Software, Inc.
+ * Matt Porter <mporter@kernel.crashing.org>
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/rio.h>
+#include <linux/rio_drv.h>
+#include <linux/stat.h>
+#include <linux/capability.h>
+
+#include "rio.h"
+
+/* Sysfs support */
+#define rio_config_attr(field, format_string)					\
+static ssize_t								\
+field##_show(struct device *dev, struct device_attribute *attr, char *buf)			\
+{									\
+	struct rio_dev *rdev = to_rio_dev(dev);				\
+									\
+	return sprintf(buf, format_string, rdev->field);		\
+}									\
+
+rio_config_attr(did, "0x%04x\n");
+rio_config_attr(vid, "0x%04x\n");
+rio_config_attr(device_rev, "0x%08x\n");
+rio_config_attr(asm_did, "0x%04x\n");
+rio_config_attr(asm_vid, "0x%04x\n");
+rio_config_attr(asm_rev, "0x%04x\n");
+rio_config_attr(destid, "0x%04x\n");
+rio_config_attr(hopcount, "0x%02x\n");
+
+static ssize_t routes_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct rio_dev *rdev = to_rio_dev(dev);
+	char *str = buf;
+	int i;
+
+	for (i = 0; i < RIO_MAX_ROUTE_ENTRIES(rdev->net->hport->sys_size);
+			i++) {
+		if (rdev->rswitch->route_table[i] == RIO_INVALID_ROUTE)
+			continue;
+		str +=
+		    sprintf(str, "%04x %02x\n", i,
+			    rdev->rswitch->route_table[i]);
+	}
+
+	return (str - buf);
+}
+
+static ssize_t lprev_show(struct device *dev,
+			  struct device_attribute *attr, char *buf)
+{
+	struct rio_dev *rdev = to_rio_dev(dev);
+
+	return sprintf(buf, "%s\n",
+			(rdev->prev) ? rio_name(rdev->prev) : "root");
+}
+
+static ssize_t lnext_show(struct device *dev,
+			  struct device_attribute *attr, char *buf)
+{
+	struct rio_dev *rdev = to_rio_dev(dev);
+	char *str = buf;
+	int i;
+
+	if (rdev->pef & RIO_PEF_SWITCH) {
+		for (i = 0; i < RIO_GET_TOTAL_PORTS(rdev->swpinfo); i++) {
+			if (rdev->rswitch->nextdev[i])
+				str += sprintf(str, "%s\n",
+					rio_name(rdev->rswitch->nextdev[i]));
+			else
+				str += sprintf(str, "null\n");
+		}
+	}
+
+	return str - buf;
+}
+
+struct device_attribute rio_dev_attrs[] = {
+	__ATTR_RO(did),
+	__ATTR_RO(vid),
+	__ATTR_RO(device_rev),
+	__ATTR_RO(asm_did),
+	__ATTR_RO(asm_vid),
+	__ATTR_RO(asm_rev),
+	__ATTR_RO(lprev),
+	__ATTR_RO(destid),
+	__ATTR_NULL,
+};
+
+static DEVICE_ATTR(routes, S_IRUGO, routes_show, NULL);
+static DEVICE_ATTR(lnext, S_IRUGO, lnext_show, NULL);
+static DEVICE_ATTR(hopcount, S_IRUGO, hopcount_show, NULL);
+
+static ssize_t
+rio_read_config(struct file *filp, struct kobject *kobj,
+		struct bin_attribute *bin_attr,
+		char *buf, loff_t off, size_t count)
+{
+	struct rio_dev *dev =
+	    to_rio_dev(container_of(kobj, struct device, kobj));
+	unsigned int size = 0x100;
+	loff_t init_off = off;
+	u8 *data = (u8 *) buf;
+
+	/* Several chips lock up trying to read undefined config space */
+	if (capable(CAP_SYS_ADMIN))
+		size = RIO_MAINT_SPACE_SZ;
+
+	if (off >= size)
+		return 0;
+	if (off + count > size) {
+		size -= off;
+		count = size;
+	} else {
+		size = count;
+	}
+
+	if ((off & 1) && size) {
+		u8 val;
+		rio_read_config_8(dev, off, &val);
+		data[off - init_off] = val;
+		off++;
+		size--;
+	}
+
+	if ((off & 3) && size > 2) {
+		u16 val;
+		rio_read_config_16(dev, off, &val);
+		data[off - init_off] = (val >> 8) & 0xff;
+		data[off - init_off + 1] = val & 0xff;
+		off += 2;
+		size -= 2;
+	}
+
+	while (size > 3) {
+		u32 val;
+		rio_read_config_32(dev, off, &val);
+		data[off - init_off] = (val >> 24) & 0xff;
+		data[off - init_off + 1] = (val >> 16) & 0xff;
+		data[off - init_off + 2] = (val >> 8) & 0xff;
+		data[off - init_off + 3] = val & 0xff;
+		off += 4;
+		size -= 4;
+	}
+
+	if (size >= 2) {
+		u16 val;
+		rio_read_config_16(dev, off, &val);
+		data[off - init_off] = (val >> 8) & 0xff;
+		data[off - init_off + 1] = val & 0xff;
+		off += 2;
+		size -= 2;
+	}
+
+	if (size > 0) {
+		u8 val;
+		rio_read_config_8(dev, off, &val);
+		data[off - init_off] = val;
+		off++;
+		--size;
+	}
+
+	return count;
+}
+
+static ssize_t
+rio_write_config(struct file *filp, struct kobject *kobj,
+		 struct bin_attribute *bin_attr,
+		 char *buf, loff_t off, size_t count)
+{
+	struct rio_dev *dev =
+	    to_rio_dev(container_of(kobj, struct device, kobj));
+	unsigned int size = count;
+	loff_t init_off = off;
+	u8 *data = (u8 *) buf;
+
+	if (off >= RIO_MAINT_SPACE_SZ)
+		return 0;
+	if (off + count > RIO_MAINT_SPACE_SZ) {
+		size = RIO_MAINT_SPACE_SZ - off;
+		count = size;
+	}
+
+	if ((off & 1) && size) {
+		rio_write_config_8(dev, off, data[off - init_off]);
+		off++;
+		size--;
+	}
+
+	if ((off & 3) && (size > 2)) {
+		u16 val = data[off - init_off + 1];
+		val |= (u16) data[off - init_off] << 8;
+		rio_write_config_16(dev, off, val);
+		off += 2;
+		size -= 2;
+	}
+
+	while (size > 3) {
+		u32 val = data[off - init_off + 3];
+		val |= (u32) data[off - init_off + 2] << 8;
+		val |= (u32) data[off - init_off + 1] << 16;
+		val |= (u32) data[off - init_off] << 24;
+		rio_write_config_32(dev, off, val);
+		off += 4;
+		size -= 4;
+	}
+
+	if (size >= 2) {
+		u16 val = data[off - init_off + 1];
+		val |= (u16) data[off - init_off] << 8;
+		rio_write_config_16(dev, off, val);
+		off += 2;
+		size -= 2;
+	}
+
+	if (size) {
+		rio_write_config_8(dev, off, data[off - init_off]);
+		off++;
+		--size;
+	}
+
+	return count;
+}
+
+static struct bin_attribute rio_config_attr = {
+	.attr = {
+		 .name = "config",
+		 .mode = S_IRUGO | S_IWUSR,
+		 },
+	.size = RIO_MAINT_SPACE_SZ,
+	.read = rio_read_config,
+	.write = rio_write_config,
+};
+
+/**
+ * rio_create_sysfs_dev_files - create RIO specific sysfs files
+ * @rdev: device whose entries should be created
+ *
+ * Create files when @rdev is added to sysfs.
+ */
+int rio_create_sysfs_dev_files(struct rio_dev *rdev)
+{
+	int err = 0;
+
+	err = device_create_bin_file(&rdev->dev, &rio_config_attr);
+
+	if (!err && (rdev->pef & RIO_PEF_SWITCH)) {
+		err |= device_create_file(&rdev->dev, &dev_attr_routes);
+		err |= device_create_file(&rdev->dev, &dev_attr_lnext);
+		err |= device_create_file(&rdev->dev, &dev_attr_hopcount);
+		if (!err && rdev->rswitch->sw_sysfs)
+			err = rdev->rswitch->sw_sysfs(rdev, RIO_SW_SYSFS_CREATE);
+	}
+
+	if (err)
+		pr_warning("RIO: Failed to create attribute file(s) for %s\n",
+			   rio_name(rdev));
+
+	return err;
+}
+
+/**
+ * rio_remove_sysfs_dev_files - cleanup RIO specific sysfs files
+ * @rdev: device whose entries we should free
+ *
+ * Cleanup when @rdev is removed from sysfs.
+ */
+void rio_remove_sysfs_dev_files(struct rio_dev *rdev)
+{
+	device_remove_bin_file(&rdev->dev, &rio_config_attr);
+	if (rdev->pef & RIO_PEF_SWITCH) {
+		device_remove_file(&rdev->dev, &dev_attr_routes);
+		device_remove_file(&rdev->dev, &dev_attr_lnext);
+		device_remove_file(&rdev->dev, &dev_attr_hopcount);
+		if (rdev->rswitch->sw_sysfs)
+			rdev->rswitch->sw_sysfs(rdev, RIO_SW_SYSFS_REMOVE);
+	}
+}