aleph/lkl_linux
1
0
Fork 0
mirror of https://github.com/lkl/linux.git synced 2025-12-19 16:13:19 +09:00
Code Issues Packages Projects Releases Wiki Activity

Drivers: hv: vmbus: Mark vmbus ring buffer visible to host in Isolation VM

Browse Source 
Mark vmbus ring buffer visible with set_memory_decrypted() when
establish gpadl handle.

Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Link: https://lore.kernel.org/r/20211025122116.264793-5-ltykernel@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Tianyu Lan
2021-10-25 08:21:09 -04:00
committed by Wei Liu
parent 810a521265
commit d4dccf353d
5 changed files with 65 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
include/linux/hyperv.h
View File

@@ -803,6 +803,12 @@ struct vmbus_device {
#define VMBUS_DEFAULT_MAX_PKT_SIZE 4096
struct vmbus_gpadl {
u32 gpadl_handle;
u32 size;
void *buffer;
};
struct vmbus_channel {
struct list_head listentry;
@@ -822,7 +828,7 @@ struct vmbus_channel {
bool rescind_ref; /* got rescind msg, got channel reference */
struct completion rescind_event;
u32 ringbuffer_gpadlhandle;
struct vmbus_gpadl ringbuffer_gpadlhandle;
/* Allocated memory for ring buffer */
struct page *ringbuffer_page;
@@ -1192,10 +1198,10 @@ extern int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel,
extern int vmbus_establish_gpadl(struct vmbus_channel *channel,
void *kbuffer,
u32 size,
u32 *gpadl_handle);
struct vmbus_gpadl *gpadl);
extern int vmbus_teardown_gpadl(struct vmbus_channel *channel,
u32 gpadl_handle);
struct vmbus_gpadl *gpadl);
void vmbus_reset_channel_cb(struct vmbus_channel *channel);