Commit 2fdda02a authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq/msi: Move msi_device_data to core 



Now that the platform MSI hack is gone, nothing needs to know about struct
msi_device_data outside of the core code.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarAnna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: default avatarShivamurthy Shastri <shivamurthy.shastri@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240623142236.003295177@linutronix.de
parent e9894248

include/linux/msi.h

+0 −18
Original line number Diff line number Diff line
@@ -21,11 +21,7 @@ 
#include <linux/irqdomain_defs.h>

#include <linux/cpumask.h>

#include <linux/msi_api.h>

#include <linux/xarray.h>

#include <linux/mutex.h>

#include <linux/list.h>

#include <linux/irq.h>

#include <linux/bits.h>



#include <asm/msi.h>
@@ -227,20 +223,6 @@ struct msi_dev_domain { 
	struct irq_domain	*domain;

};



/**

 * msi_device_data - MSI per device data

 * @properties:		MSI properties which are interesting to drivers

 * @mutex:		Mutex protecting the MSI descriptor store

 * @__domains:		Internal data for per device MSI domains

 * @__iter_idx:		Index to search the next entry for iterators

 */

struct msi_device_data {

	unsigned long			properties;

	struct mutex			mutex;

	struct msi_dev_domain		__domains[MSI_MAX_DEVICE_IRQDOMAINS];

	unsigned long			__iter_idx;

};



int msi_setup_device_data(struct device *dev);



void msi_lock_descs(struct device *dev);

kernel/irq/msi.c

+18 −2
Original line number Diff line number Diff line
@@ -8,17 +8,33 @@ 
 * This file contains common code to support Message Signaled Interrupts for

 * PCI compatible and non PCI compatible devices.

 */

#include <linux/types.h>

#include <linux/device.h>

#include <linux/irq.h>

#include <linux/irqdomain.h>

#include <linux/msi.h>

#include <linux/mutex.h>

#include <linux/pci.h>

#include <linux/slab.h>

#include <linux/sysfs.h>

#include <linux/pci.h>

#include <linux/types.h>

#include <linux/xarray.h>



#include "internals.h"



/**

 * struct msi_device_data - MSI per device data

 * @properties:		MSI properties which are interesting to drivers

 * @mutex:		Mutex protecting the MSI descriptor store

 * @__domains:		Internal data for per device MSI domains

 * @__iter_idx:		Index to search the next entry for iterators

 */

struct msi_device_data {

	unsigned long			properties;

	struct mutex			mutex;

	struct msi_dev_domain		__domains[MSI_MAX_DEVICE_IRQDOMAINS];

	unsigned long			__iter_idx;

};



/**

 * struct msi_ctrl - MSI internal management control structure

 * @domid:	ID of the domain on which management operations should be done