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- Support for new VMBus protocols (Andrea Parri).

Browse source 
- Hibernation support (Dexuan Cui).
 - Latency testing framework (Branden Bonaby).
 - Decoupling Hyper-V page size from guest page size (Himadri Pandya).
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Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull Hyper-V updates from Sasha Levin:

 - support for new VMBus protocols (Andrea Parri)

 - hibernation support (Dexuan Cui)

 - latency testing framework (Branden Bonaby)

 - decoupling Hyper-V page size from guest page size (Himadri Pandya)

* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (22 commits)
  Drivers: hv: vmbus: Fix crash handler reset of Hyper-V synic
  drivers/hv: Replace binary semaphore with mutex
  drivers: iommu: hyperv: Make HYPERV_IOMMU only available on x86
  HID: hyperv: Add the support of hibernation
  hv_balloon: Add the support of hibernation
  x86/hyperv: Implement hv_is_hibernation_supported()
  Drivers: hv: balloon: Remove dependencies on guest page size
  Drivers: hv: vmbus: Remove dependencies on guest page size
  x86: hv: Add function to allocate zeroed page for Hyper-V
  Drivers: hv: util: Specify ring buffer size using Hyper-V page size
  Drivers: hv: Specify receive buffer size using Hyper-V page size
  tools: hv: add vmbus testing tool
  drivers: hv: vmbus: Introduce latency testing
  video: hyperv: hyperv_fb: Support deferred IO for Hyper-V frame buffer driver
  video: hyperv: hyperv_fb: Obtain screen resolution from Hyper-V host
  hv_netvsc: Add the support of hibernation
  hv_sock: Add the support of hibernation
  video: hyperv_fb: Add the support of hibernation
  scsi: storvsc: Add the support of hibernation
  Drivers: hv: vmbus: Add module parameter to cap the VMBus version
  ...
This commit is contained in:
Linus Torvalds 2019-11-30 14:50:51 -08:00
commit 0dd0c8f7db
27 changed files with 1386 additions and 116 deletions
Download patch file Download diff file Expand all files Collapse all files

31
include/linux/hyperv.h
View file

@ -182,19 +182,21 @@ static inline u32 hv_get_avail_to_write_percent(
* 2 . 4 (Windows 8)
* 3 . 0 (Windows 8 R2)
* 4 . 0 (Windows 10)
* 4 . 1 (Windows 10 RS3)
* 5 . 0 (Newer Windows 10)
* 5 . 1 (Windows 10 RS4)
* 5 . 2 (Windows Server 2019, RS5)
*/
#define VERSION_WS2008 ((0 << 16) | (13))
#define VERSION_WIN7 ((1 << 16) | (1))
#define VERSION_WIN8 ((2 << 16) | (4))
#define VERSION_WIN8_1 ((3 << 16) | (0))
#define VERSION_WIN10 ((4 << 16) | (0))
#define VERSION_WIN10 ((4 << 16) | (0))
#define VERSION_WIN10_V4_1 ((4 << 16) | (1))
#define VERSION_WIN10_V5 ((5 << 16) | (0))
#define VERSION_INVAL -1
#define VERSION_CURRENT VERSION_WIN10_V5
#define VERSION_WIN10_V5_1 ((5 << 16) | (1))
#define VERSION_WIN10_V5_2 ((5 << 16) | (2))
/* Make maximum size of pipe payload of 16K */
#define MAX_PIPE_DATA_PAYLOAD (sizeof(u8) * 16384)
@ -932,6 +934,21 @@ struct vmbus_channel {
* full outbound ring buffer.
*/
u64 out_full_first;
/* enabling/disabling fuzz testing on the channel (default is false)*/
bool fuzz_testing_state;
/*
* Interrupt delay will delay the guest from emptying the ring buffer
* for a specific amount of time. The delay is in microseconds and will
* be between 1 to a maximum of 1000, its default is 0 (no delay).
* The Message delay will delay guest reading on a per message basis
* in microseconds between 1 to 1000 with the default being 0
* (no delay).
*/
u32 fuzz_testing_interrupt_delay;
u32 fuzz_testing_message_delay;
};
static inline bool is_hvsock_channel(const struct vmbus_channel *c)
@ -1180,6 +1197,10 @@ struct hv_device {
struct vmbus_channel *channel;
struct kset *channels_kset;
/* place holder to keep track of the dir for hv device in debugfs */
struct dentry *debug_dir;
};