1 files changed, 152 insertions, 0 deletions

diff --git a/qemu/roms/ipxe/src/include/ipxe/linux.h b/qemu/roms/ipxe/src/include/ipxe/linux.h
new file mode 100644
index 000000000..a01ace3de
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/linux.h
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2010 Piotr Jaroszyński <p.jaroszynski@gmail.com>
+ *
+ * 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 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.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef _IPXE_LINUX_H
+#define _IPXE_LINUX_H
+
+FILE_LICENCE(GPL2_OR_LATER);
+
+/** @file
+ *
+ * Linux devices, drivers and device requests.
+ */
+
+#include <ipxe/list.h>
+#include <ipxe/device.h>
+#include <ipxe/settings.h>
+
+/**
+ * Convert a Linux error number to an iPXE status code
+ *
+ * @v errno		Linux error number
+ * @ret rc		iPXE status code (before negation)
+ */
+#define ELINUX( errno ) EPLATFORM ( EINFO_EPLATFORM, errno )
+
+/** A linux device */
+struct linux_device {
+	/** Generic device */
+	struct device dev;
+	/** Driver that's handling the device */
+	struct linux_driver *driver;
+	/** Private data used by drivers */
+	void *priv;
+};
+
+struct linux_device_request;
+
+/** A linux driver */
+struct linux_driver {
+	/** Name */
+	char *name;
+	/** Probe function */
+	int (*probe)(struct linux_device *device, struct linux_device_request *request);
+	/** Remove function */
+	void (*remove)(struct linux_device *device);
+	/** Can the driver probe any more devices? */
+	int can_probe;
+};
+
+/** Linux driver table */
+#define LINUX_DRIVERS __table(struct linux_driver, "linux_drivers")
+
+/** Declare a Linux driver */
+#define __linux_driver __table_entry(LINUX_DRIVERS, 01)
+
+/**
+ * Set linux device driver-private data
+ *
+ * @v device	Linux device
+ * @v priv		Private data
+ */
+static inline void linux_set_drvdata(struct linux_device * device, void *priv)
+{
+	device->priv = priv;
+}
+
+/**
+ * Get linux device driver-private data
+ *
+ * @v device	Linux device
+ * @ret priv	Private data
+ */
+static inline void *linux_get_drvdata(struct linux_device *device)
+{
+	return device->priv;
+}
+
+/**
+ * A device request.
+ *
+ * To be created and filled by the UI code.
+ */
+struct linux_device_request {
+	/** Driver name. Compared to the linux drivers' names */
+	char *driver;
+	/** List node */
+	struct list_head list;
+	/** List of settings */
+	struct list_head settings;
+};
+
+/** A device request setting */
+struct linux_setting {
+	/** Name */
+	char *name;
+	/** Value */
+	char *value;
+	/** Was the setting already applied? */
+	int applied;
+	/** List node */
+	struct list_head list;
+};
+
+/**
+ * List of requested devices.
+ *
+ * Filled by the UI code. Linux root_driver walks over this list looking for an
+ * appropriate driver to handle each request by matching the driver's name.
+ */
+extern struct list_head linux_device_requests;
+
+/**
+ * List of global settings to apply.
+ *
+ * Filled by the UI code. Linux root_driver applies these settings.
+ */
+extern struct list_head linux_global_settings;
+
+/**
+ * Look for the last occurrence of a setting with the specified name
+ *
+ * @v name     Name of the setting to look for
+ * @v settings List of the settings to look through
+ */
+struct linux_setting *linux_find_setting(char *name, struct list_head *settings);
+
+/**
+ * Apply a list of linux settings to a settings block
+ *
+ * @v new_settings     List of linux_setting's to apply
+ * @v settings_block   Settings block to apply the settings to
+ * @ret rc             0 on success
+ */
+extern void linux_apply_settings(struct list_head *new_settings, struct settings *settings_block);
+
+
+#endif /* _IPXE_LINUX_H */