From: Abhijit Gangurde <abhijit.gangurde@amd.com>
To: <gregkh@linuxfoundation.org>, <masahiroy@kernel.org>,
<linux-kernel@vger.kernel.org>
Cc: <puneet.gupta@amd.com>, <Nipun.Gupta@amd.com>,
<nikhil.agarwal@amd.com>, <michal.simek@amd.com>, <git@amd.com>,
Abhijit Gangurde <abhijit.gangurde@amd.com>
Subject: [PATCH v7 3/7] cdx: Create symbol namespaces for cdx subsystem
Date: Tue, 17 Oct 2023 21:35:01 +0530 [thread overview]
Message-ID: <20231017160505.10640-4-abhijit.gangurde@amd.com> (raw)
In-Reply-To: <20231017160505.10640-1-abhijit.gangurde@amd.com>
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: Abhijit Gangurde <abhijit.gangurde@amd.com>
---
Changes in v7:
- New patch the the series
drivers/cdx/Makefile | 2 ++
drivers/cdx/cdx.c | 6 +++---
drivers/cdx/controller/cdx_controller.c | 1 +
drivers/vfio/cdx/main.c | 1 +
4 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/cdx/Makefile b/drivers/cdx/Makefile
index 0324e4914f6e..5d1ea482419f 100644
--- a/drivers/cdx/Makefile
+++ b/drivers/cdx/Makefile
@@ -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/
diff --git a/drivers/cdx/cdx.c b/drivers/cdx/cdx.c
index 75760388f5e7..ee0913f04758 100644
--- a/drivers/cdx/cdx.c
+++ b/drivers/cdx/cdx.c
@@ -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)
{
diff --git a/drivers/cdx/controller/cdx_controller.c b/drivers/cdx/controller/cdx_controller.c
index bb4ae7970e21..3f86663fbacf 100644
--- a/drivers/cdx/controller/cdx_controller.c
+++ b/drivers/cdx/controller/cdx_controller.c
@@ -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);
diff --git a/drivers/vfio/cdx/main.c b/drivers/vfio/cdx/main.c
index de56686581ae..b3e482fa717b 100644
--- a/drivers/vfio/cdx/main.c
+++ b/drivers/vfio/cdx/main.c
@@ -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);
--
2.34.1
next prev parent reply other threads:[~2023-10-17 16:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-17 16:04 [PATCH v7 0/7] cdx: provide sysfs interface for cdx device resources Abhijit Gangurde
2023-10-17 16:04 ` [PATCH v7 1/7] cdx: Remove cdx controller list from cdx bus system Abhijit Gangurde
2023-10-17 16:05 ` [PATCH v7 2/7] cdx: Introduce lock to protect controller ops Abhijit Gangurde
2023-10-17 16:05 ` Abhijit Gangurde [this message]
2023-10-17 16:05 ` [PATCH v7 4/7] cdx: Register cdx bus as a device on cdx subsystem Abhijit Gangurde
2023-10-17 16:05 ` [PATCH v7 5/7] cdx: add support for bus enable and disable Abhijit Gangurde
2023-10-17 16:05 ` [PATCH v7 6/7] cdx: add sysfs for bus reset Abhijit Gangurde
2023-10-17 16:05 ` [PATCH v7 7/7] cdx: add sysfs for subsystem, class and revision Abhijit Gangurde
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