Commit e3ed12f3 authored by Abhijit Gangurde's avatar Abhijit Gangurde Committed by Greg Kroah-Hartman
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cdx: Create symbol namespaces for cdx subsystem 



Create CDX_BUS and CDX_BUS_CONTROLLER symbol namespace for cdx bus
subsystem. CDX controller modules are required to import symbols from
CDX_BUS_CONTROLLER namespace and other than controller modules to
import from CDX_BUS namespace.

Signed-off-by: default avatarAbhijit Gangurde <abhijit.gangurde@amd.com>
Link: https://lore.kernel.org/r/20231017160505.10640-4-abhijit.gangurde@amd.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f0af8168

drivers/cdx/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -5,4 +5,6 @@ 
# Copyright (C) 2022-2023, Advanced Micro Devices, Inc.

#



ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=CDX_BUS



obj-$(CONFIG_CDX_BUS) += cdx.o controller/

drivers/cdx/cdx.c

+3 −3
Original line number Diff line number Diff line
@@ -530,7 +530,7 @@ int cdx_device_add(struct cdx_dev_params *dev_params) 


	return ret;

}

EXPORT_SYMBOL_GPL(cdx_device_add);

EXPORT_SYMBOL_NS_GPL(cdx_device_add, CDX_BUS_CONTROLLER);



int cdx_register_controller(struct cdx_controller *cdx)

{
@@ -555,7 +555,7 @@ int cdx_register_controller(struct cdx_controller *cdx) 


	return 0;

}

EXPORT_SYMBOL_GPL(cdx_register_controller);

EXPORT_SYMBOL_NS_GPL(cdx_register_controller, CDX_BUS_CONTROLLER);



void cdx_unregister_controller(struct cdx_controller *cdx)

{
@@ -570,7 +570,7 @@ void cdx_unregister_controller(struct cdx_controller *cdx) 


	mutex_unlock(&cdx_controller_lock);

}

EXPORT_SYMBOL_GPL(cdx_unregister_controller);

EXPORT_SYMBOL_NS_GPL(cdx_unregister_controller, CDX_BUS_CONTROLLER);



static int __init cdx_bus_init(void)

{

drivers/cdx/controller/cdx_controller.c

+1 −0
Original line number Diff line number Diff line
@@ -229,3 +229,4 @@ module_exit(cdx_controller_exit); 
MODULE_AUTHOR("AMD Inc.");

MODULE_DESCRIPTION("CDX controller for AMD devices");

MODULE_LICENSE("GPL");

MODULE_IMPORT_NS(CDX_BUS_CONTROLLER);

drivers/vfio/cdx/main.c

+1 −0
Original line number Diff line number Diff line
@@ -231,3 +231,4 @@ module_driver(vfio_cdx_driver, cdx_driver_register, cdx_driver_unregister); 


MODULE_LICENSE("GPL");

MODULE_DESCRIPTION("VFIO for CDX devices - User Level meta-driver");

MODULE_IMPORT_NS(CDX_BUS);