--- /dev/null
+/*
+ * 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 */
Code Review / kvmfornfv.git / blobdiff