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linux/drivers/visorbus/visorbus_private.h

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drivers: visorbus: Use the correct style for SPDX License Identifier This patch corrects the SPDX License Identifier style in header file related to Unisys visorbus configuration. For C header files Documentation/process/license-rules.rst mandates C-like comments (opposed to C source files where C++ style should be used). Changes made by using a script provided by Joe Perches here: https://lkml.org/lkml/2019/2/7/46. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Link: https://lore.kernel.org/r/20200419140017.GA7875@nishad Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-19 22:00:21 +08:00
/* SPDX-License-Identifier: GPL-2.0 */
staging: unisys: visorbus: visorbus_private.h remove filename Remove the filename in the comment at the beginning of the file. Signed-off-by: Mark Foresta <Mark.Foresta@Unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: David Binder <david.binder@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-23 01:26:56 +08:00
/*
staging: unisys: fix copyright statements The copyright statements in the drivers need to be correct and consistent; this patch fixes the year for all of them, and makes the statement text cover just the GPL V2. Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-07-17 00:40:48 +08:00
* Copyright (C) 2010 - 2015 UNISYS CORPORATION
staging: visorchipset driver to provide registration and other services The visorchipset module receives device creation and destruction events from the Command service partition of s-Par, as well as controlling registration of shared device drivers with the s-Par driver core. The events received are used to populate other s-Par modules with their assigned shared devices. Visorchipset is required for shared device drivers to function properly. Visorchipset also stores information for handling dump disk device creation during kdump. In operation, the visorchipset module processes device creation and destruction messages sent by s-Par's Command service partition through a channel. These messages result in creation (or destruction) of each virtual bus and virtual device. Each bus and device is also associated with a communication channel, which is used to communicate with one or more IO service partitions to perform device IO on behalf of the guest. Signed-off-by: Ken Cox <jkc@redhat.com> Cc: Ben Romer <sparmaintainer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-04 21:58:07 +08:00
* All rights reserved.
*/
staging: unisys: visorbus: Convert visorchipset.h refs visorbus_private.h was previously named visorchipset.h. This patch removes references to the old filename, and updates them with the new filename. Signed-off-by: David Binder <david.binder@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <Timothy.Sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-03 04:41:32 +08:00
#ifndef __VISORBUS_PRIVATE_H__
#define __VISORBUS_PRIVATE_H__
staging: visorchipset driver to provide registration and other services The visorchipset module receives device creation and destruction events from the Command service partition of s-Par, as well as controlling registration of shared device drivers with the s-Par driver core. The events received are used to populate other s-Par modules with their assigned shared devices. Visorchipset is required for shared device drivers to function properly. Visorchipset also stores information for handling dump disk device creation during kdump. In operation, the visorchipset module processes device creation and destruction messages sent by s-Par's Command service partition through a channel. These messages result in creation (or destruction) of each virtual bus and virtual device. Each bus and device is also associated with a communication channel, which is used to communicate with one or more IO service partitions to perform device IO on behalf of the guest. Signed-off-by: Ken Cox <jkc@redhat.com> Cc: Ben Romer <sparmaintainer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-04 21:58:07 +08:00
staging: unisys: Replace GUID with uuid_le This patch replaces the GUID type with uuid_le. It removes the header file guidutils.h, updates all uses of the GUID type to uuid_le, and replaces all function calls that used the GUID type with their uuid_le equivalents. Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-06 21:58:23 +08:00
#include <linux/uuid.h>
staging: unisys: remove driver version from struct visor_driver This patch removes the all instances of the driver version from struct visor_driver. This includes removing version, vertag (a human readable version string of the driver version) and version_attr from struct visor_driver. This resulted in removing the bus attributes and driver attributes which only contained the driver version. The utsname function is used to replace the driver version with the kernel version in bus_device_info_init(). Signed-off-by: Jon Frisch <jon.frisch@unisys.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-26 23:03:41 +08:00
#include <linux/utsname.h>
drivers: visorbus: move driver out of staging Move the visorbus driver out of staging (drivers/staging/unisys/visorbus) and to drivers/visorbus. Modify the configuration and makefiles so they now reference the new location. The s-Par header file visorbus.h that is referenced by all s-Par drivers, is being moved into include/linux. Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-08 01:11:07 +08:00
#include <linux/visorbus.h>
staging: unisys: Replace GUID with uuid_le This patch replaces the GUID type with uuid_le. It removes the header file guidutils.h, updates all uses of the GUID type to uuid_le, and replaces all function calls that used the GUID type with their uuid_le equivalents. Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-05-06 21:58:23 +08:00
staging: visorchipset driver to provide registration and other services The visorchipset module receives device creation and destruction events from the Command service partition of s-Par, as well as controlling registration of shared device drivers with the s-Par driver core. The events received are used to populate other s-Par modules with their assigned shared devices. Visorchipset is required for shared device drivers to function properly. Visorchipset also stores information for handling dump disk device creation during kdump. In operation, the visorchipset module processes device creation and destruction messages sent by s-Par's Command service partition through a channel. These messages result in creation (or destruction) of each virtual bus and virtual device. Each bus and device is also associated with a communication channel, which is used to communicate with one or more IO service partitions to perform device IO on behalf of the guest. Signed-off-by: Ken Cox <jkc@redhat.com> Cc: Ben Romer <sparmaintainer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-04 21:58:07 +08:00
#include "controlvmchannel.h"
staging: unisys: visorbus: merge vbusdeviceinfo.h into vbuschannel vbusdeviceinfo.h was only used by vbuschannel.h so merge them together. Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <Timothy.Sell@unisys.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-03 04:41:39 +08:00
#include "vbuschannel.h"
staging: unisys: Move vbushelper.h contents to visorbus_private.h The contents of vbushelper.h are now only used by visorbus, so it no longer needs to be a general include file and it can be incorporated in the visorbus private header. Signed-off-by: Bryan Thompson <bryan.thompson@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <Timothy.Sell@unisys.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-03 04:41:31 +08:00
staging: unisys: remove visorbus_type extern The variable visorbus_type could be contained to the visorbus_main.c file by moving the two functions that referenced it visorchipset.c. This allowed us to remove the incorrect extern from the include file visorbus.h. Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-09-28 01:14:36 +08:00
struct visor_device *visorbus_get_device_by_id(u32 bus_no, u32 dev_no,
struct visor_device *from);
staging: unisys: visorbus: Get rid of passthrough function visorchipset_bus_create The function visorchipset_bus_create just called visorbus_create_instance, we should just combine it with visorbus_create_instance. Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-23 01:27:24 +08:00
int visorbus_create_instance(struct visor_device *dev);
staging: unisys: visorbus: Get rid of passthrough function visorchipset_bus_destroy The function visorchipset_bus_destroy just called viosrbus_remove_instance, we can just combine it with visorbus_remove_instance. Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-23 01:27:33 +08:00
void visorbus_remove_instance(struct visor_device *bus_info);
staging: unisys: visorbus: Get rid of passthrough function visorchipset_device_create The function visorchipset_device_create just called create_visor_device, we can just combine it with create_visor_device. Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-23 01:27:34 +08:00
int create_visor_device(struct visor_device *dev_info);
staging: unisys: visorbus: Get rid of passthrough function visorchipset_device_destroy The function visorchipset_device_destroy just called remove_visor_device, we can just combine it with remove_visor_device. Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-23 01:27:35 +08:00
void remove_visor_device(struct visor_device *dev_info);
staging: unisys: visorbus: renamed functions like chipset_device_* to match driver namespace Renamed functions * chipset_device_create() to visorchipset_device_create() * chipset_device_destroy() to visorchipset_device_destroy() * chipset_device_pause() to visorchipset_device_pause() * chipset_device_resume() to visorchipset_device_resume() Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-20 04:17:41 +08:00
int visorchipset_device_pause(struct visor_device *dev_info);
int visorchipset_device_resume(struct visor_device *dev_info);
staging: unisys: visorbus: merging the visorbus_*_response functions into one. The functions visorbus_create_response(), visorbus_destroy_response(), viosrbus_device_create_response(), viosrbus_device_destroy_response() are all functionally similar. Merging these four functions into a single function called visorbus_response(). Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-23 01:27:03 +08:00
void visorbus_response(struct visor_device *p, int response, int controlvm_id);
staging: unisys: visorbus: merging the visorbus_device_pause_response and visorbus_device_resume_response functions into one. The functions viosrbus_device_pause_response() and viosrbus_device_resume_response() are functionally similar. Merging these functions into a single function called visorbus_device_changestate_response(). Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-23 01:27:04 +08:00
void visorbus_device_changestate_response(struct visor_device *p, int response,
struct visor_segment_state state);
staging: unisys: add acpi pnp driver According to Unisys, another OS detects the PNP0A07 as the auto load device. We can also do this in the linux kernel by simply converting the driver over to the ACPI driver model. Notes: This changes the usage of __init and it had to be removed from some functions to avoid a !__init function calling an __init function. Additionally I also cleaned up the headers in visorchipset.c since I was adding a header file. Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-06 06:37:02 +08:00
int visorbus_init(void);
staging: unisys: move visorchipset files to visorbus Move visorchipset_main.c and visorchipset.h to visorbus/visorchipset.c and visorbus/visorbus_private.h. This leaves an empty visorchipset directory which can also be destroyed. As a result of this patch the visorchipset init code now calls the visorbus_init() directly. Similarily the visorchipset exit code now cleans up by calling visorbus_exit(). No other functional changes were made. Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-06 06:36:15 +08:00
void visorbus_exit(void);
staging: unisys: visorbus: Move visorbus-unique functions to private header Moves function prototypes that are unique to visorbus from include/visorbus.h to visorbus/visorbus_private.h. Signed-off-by: David Binder <david.binder@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <Timothy.Sell@unisys.com> Acked-By: Neil Horman <nhorman@tuxdriver.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-11 09:48:19 +08:00
staging: unisys: visorbus: fix visorbus_private.h comments This patch ONLY touches comment lines, i.e., NO executable code is affected. Comments were fixed in visorbus_private.h: * Minor typos were corrected. * Useless comments were removed. Signed-off-by: Tim Sell <Timothy.Sell@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Acked-By: Neil Horman <nhorman@tuxdriver.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-11 09:48:23 +08:00
/* visorchannel access functions */
staging: unisys: Use size of channel defined in the channel. The size of the channel should be pulled from the channel header, not from the message. All channels must be at least the size of the channel_header. Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-31 01:36:31 +08:00
struct visorchannel *visorchannel_create(u64 physaddr, gfp_t gfp,
staging: unisys: visorbus: simplify visorchannel_create_guts Removing the two wrapper functions dealing with visorchannel_create() and instead just always use a new version of visorchannel_create() with an additional parameter. Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-09-28 01:14:44 +08:00
const guid_t *guid, bool needs_lock);
staging: unisys: visorbus: Move visorbus-unique functions to private header Moves function prototypes that are unique to visorbus from include/visorbus.h to visorbus/visorbus_private.h. Signed-off-by: David Binder <david.binder@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <Timothy.Sell@unisys.com> Acked-By: Neil Horman <nhorman@tuxdriver.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-11 09:48:19 +08:00
void visorchannel_destroy(struct visorchannel *channel);
int visorchannel_read(struct visorchannel *channel, ulong offset,
staging: unisys: visorbus: visorbus_private rename 'local' var to 'dest' This patch renames the poorly named 'local' var to 'dest' in the visorbus_private.h file Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-11-22 01:15:43 +08:00
void *dest, ulong nbytes);
staging: unisys: visorbus: Move visorbus-unique functions to private header Moves function prototypes that are unique to visorbus from include/visorbus.h to visorbus/visorbus_private.h. Signed-off-by: David Binder <david.binder@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <Timothy.Sell@unisys.com> Acked-By: Neil Horman <nhorman@tuxdriver.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-11 09:48:19 +08:00
int visorchannel_write(struct visorchannel *channel, ulong offset,
staging: unisys: visorbus: visorbus_private rename 'local' var to 'dest' This patch renames the poorly named 'local' var to 'dest' in the visorbus_private.h file Signed-off-by: Erik Arfvidson <erik.arfvidson@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-11-22 01:15:43 +08:00
void *dest, ulong nbytes);
staging: unisys: visorbus: Move visorbus-unique functions to private header Moves function prototypes that are unique to visorbus from include/visorbus.h to visorbus/visorbus_private.h. Signed-off-by: David Binder <david.binder@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <Timothy.Sell@unisys.com> Acked-By: Neil Horman <nhorman@tuxdriver.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-11 09:48:19 +08:00
u64 visorchannel_get_physaddr(struct visorchannel *channel);
ulong visorchannel_get_nbytes(struct visorchannel *channel);
char *visorchannel_id(struct visorchannel *channel, char *s);
char *visorchannel_zoneid(struct visorchannel *channel, char *s);
u64 visorchannel_get_clientpartition(struct visorchannel *channel);
int visorchannel_set_clientpartition(struct visorchannel *channel,
u64 partition_handle);
staging: unisys: Switch to use new generic UUID API There are new types and helpers that are supposed to be used in new code. As a preparation to get rid of legacy types and API functions do the conversion here. While here, re-indent couple of lines to increase readability. Cc: David Kershner <david.kershner@unisys.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: sparmaintainer@unisys.com Cc: devel@driverdev.osuosl.org Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-23 01:26:54 +08:00
char *visorchannel_guid_id(const guid_t *guid, char *s);
staging: unisys: visorbus: Remove pointer cast that causes sparse warning Removes unnecessary cast of to __iomem of a non-io-mapped pointer, thereby eliminating the following sparse warning: visorchannel.c:159:17: warning: cast adds address space to expression (<asn:2>) Signed-off-by: David Binder <david.binder@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Reviewed-by: Tim Sell <timothy.sell@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-17 23:27:11 +08:00
void *visorchannel_get_header(struct visorchannel *channel);
staging: visorchipset driver to provide registration and other services The visorchipset module receives device creation and destruction events from the Command service partition of s-Par, as well as controlling registration of shared device drivers with the s-Par driver core. The events received are used to populate other s-Par modules with their assigned shared devices. Visorchipset is required for shared device drivers to function properly. Visorchipset also stores information for handling dump disk device creation during kdump. In operation, the visorchipset module processes device creation and destruction messages sent by s-Par's Command service partition through a channel. These messages result in creation (or destruction) of each virtual bus and virtual device. Each bus and device is also associated with a communication channel, which is used to communicate with one or more IO service partitions to perform device IO on behalf of the guest. Signed-off-by: Ken Cox <jkc@redhat.com> Cc: Ben Romer <sparmaintainer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-04 21:58:07 +08:00
#endif