Unverified Commit 6b10ee06 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!451 add drivers to support hbm memory and hbm cache 

Merge Pull Request from: @zhang-zekun-zk 
 
add drivers to support hbm memory and hbm cache 
 
Link:https://gitee.com/openeuler/kernel/pulls/451

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents be3a5f25 24856a36

drivers/acpi/acpi_memhotplug.c

+6 −0
Original line number Diff line number Diff line
@@ -56,6 +56,9 @@ struct acpi_memory_device { 
	struct list_head res_list;

};



struct acpi_device *hotplug_mdev[MAX_NUMNODES];

EXPORT_SYMBOL_GPL(hotplug_mdev);



static acpi_status

acpi_memory_get_resource(struct acpi_resource *resource, void *context)

{
@@ -217,6 +220,8 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) 
		 * Add num_enable even if add_memory() returns -EEXIST, so the

		 * device is bound to this driver.

		 */



		hotplug_mdev[node] = mem_device->device;

		num_enabled++;

	}

	if (!num_enabled) {
@@ -240,6 +245,7 @@ static void acpi_memory_remove_memory(struct acpi_memory_device *mem_device) 
	struct acpi_memory_info *info, *n;

	int nid = acpi_get_node(handle);



	hotplug_mdev[nid] = NULL;

	list_for_each_entry_safe(info, n, &mem_device->res_list, list) {

		if (!info->enabled)

			continue;

drivers/acpi/bus.c

+27 −0
Original line number Diff line number Diff line
@@ -966,6 +966,33 @@ struct bus_type acpi_bus_type = { 
	.uevent		= acpi_device_uevent,

};



struct acpi_dev_walk_context {

	int (*fn)(struct acpi_device *, void *);

	void *data;

};



static int acpi_dev_for_one_check(struct device *dev, void *context)

{

	struct acpi_dev_walk_context *adwc = context;



	if (dev->bus != &acpi_bus_type)

		return 0;



	return adwc->fn(to_acpi_device(dev), adwc->data);

}



int acpi_dev_for_each_child(struct acpi_device *adev,

			    int (*fn)(struct acpi_device *, void *), void *data)

{

	struct acpi_dev_walk_context adwc = {

		.fn = fn,

		.data = data,

	};



	return device_for_each_child(&adev->dev, &adwc, acpi_dev_for_one_check);

}

EXPORT_SYMBOL_GPL(acpi_dev_for_each_child);



/* --------------------------------------------------------------------------

                             Initialization/Cleanup

   -------------------------------------------------------------------------- */

drivers/acpi/internal.h

+0 −1
Original line number Diff line number Diff line
@@ -82,7 +82,6 @@ static inline void acpi_lpss_init(void) {} 


void acpi_apd_init(void);



acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);

bool acpi_queue_hotplug_work(struct work_struct *work);

void acpi_device_hotplug(struct acpi_device *adev, u32 src);

bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);

drivers/acpi/osl.c

+1 −0
Original line number Diff line number Diff line
@@ -1188,6 +1188,7 @@ acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src) 
	}

	return AE_OK;

}

EXPORT_SYMBOL_GPL(acpi_hotplug_schedule);



bool acpi_queue_hotplug_work(struct work_struct *work)

{

drivers/base/container.c

+1 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ struct bus_type container_subsys = { 
	.online = trivial_online,

	.offline = container_offline,

};

EXPORT_SYMBOL_GPL(container_subsys);



void __init container_dev_init(void)

{