From 6bbdc3db76ccc6d9ff1c3d6ad36c8ae5bd67ee1f Mon Sep 17 00:00:00 2001 From: Bhaskar Chowdhury Date: Mon, 22 Mar 2021 05:01:08 +0530 Subject: hv: hyperv.h: a few mundane typo fixes s/sructure/structure/ s/extention/extension/ s/offerred/offered/ s/adversley/adversely/ Signed-off-by: Bhaskar Chowdhury Acked-by: Randy Dunlap Link: https://lore.kernel.org/r/20210321233108.3885240-1-unixbhaskar@gmail.com Signed-off-by: Wei Liu --- include/linux/hyperv.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'include/linux/hyperv.h') diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index f1d74dcf0353..2c18c8e768ef 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -284,7 +284,7 @@ struct vmbus_channel_offer { /* * Pipes: - * The following sructure is an integrated pipe protocol, which + * The following structure is an integrated pipe protocol, which * is implemented on top of standard user-defined data. Pipe * clients have MAX_PIPE_USER_DEFINED_BYTES left for their own * use. @@ -883,11 +883,11 @@ struct vmbus_channel { * Support for sub-channels. For high performance devices, * it will be useful to have multiple sub-channels to support * a scalable communication infrastructure with the host. - * The support for sub-channels is implemented as an extention + * The support for sub-channels is implemented as an extension * to the current infrastructure. * The initial offer is considered the primary channel and this * offer message will indicate if the host supports sub-channels. - * The guest is free to ask for sub-channels to be offerred and can + * The guest is free to ask for sub-channels to be offered and can * open these sub-channels as a normal "primary" channel. However, * all sub-channels will have the same type and instance guids as the * primary channel. Requests sent on a given channel will result in a @@ -951,7 +951,7 @@ struct vmbus_channel { * Clearly, these optimizations improve throughput at the expense of * latency. Furthermore, since the channel is shared for both * control and data messages, control messages currently suffer - * unnecessary latency adversley impacting performance and boot + * unnecessary latency adversely impacting performance and boot * time. To fix this issue, permit tagging the channel as being * in "low latency" mode. In this mode, we will bypass the monitor * mechanism. -- cgit v1.2.3 From 1df53d212c803c0e11a2b10d47ec830d3576b972 Mon Sep 17 00:00:00 2001 From: "Andrea Parri (Microsoft)" Date: Fri, 16 Apr 2021 16:34:47 +0200 Subject: Drivers: hv: vmbus: Introduce and negotiate VMBus protocol version 5.3 Hyper-V has added VMBus protocol version 5.3. Allow Linux guests to negotiate the new version on version of Hyper-V that support it. Signed-off-by: Andrea Parri (Microsoft) Reviewed-by: Michael Kelley Link: https://lore.kernel.org/r/20210416143449.16185-2-parri.andrea@gmail.com Signed-off-by: Wei Liu --- include/linux/hyperv.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux/hyperv.h') diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 2c18c8e768ef..3ce36bbb398e 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -234,6 +234,7 @@ static inline u32 hv_get_avail_to_write_percent( * 5 . 0 (Newer Windows 10) * 5 . 1 (Windows 10 RS4) * 5 . 2 (Windows Server 2019, RS5) + * 5 . 3 (Windows Server 2022) */ #define VERSION_WS2008 ((0 << 16) | (13)) @@ -245,6 +246,7 @@ static inline u32 hv_get_avail_to_write_percent( #define VERSION_WIN10_V5 ((5 << 16) | (0)) #define VERSION_WIN10_V5_1 ((5 << 16) | (1)) #define VERSION_WIN10_V5_2 ((5 << 16) | (2)) +#define VERSION_WIN10_V5_3 ((5 << 16) | (3)) /* Make maximum size of pipe payload of 16K */ #define MAX_PIPE_DATA_PAYLOAD (sizeof(u8) * 16384) -- cgit v1.2.3 From 870ced0548c895eb0bf8d982400344e5a9b2df00 Mon Sep 17 00:00:00 2001 From: "Andrea Parri (Microsoft)" Date: Fri, 16 Apr 2021 16:34:48 +0200 Subject: Drivers: hv: vmbus: Drivers: hv: vmbus: Introduce CHANNELMSG_MODIFYCHANNEL_RESPONSE Introduce the CHANNELMSG_MODIFYCHANNEL_RESPONSE message type, and code to receive and process such a message. Signed-off-by: Andrea Parri (Microsoft) Reviewed-by: Michael Kelley Link: https://lore.kernel.org/r/20210416143449.16185-3-parri.andrea@gmail.com Signed-off-by: Wei Liu --- include/linux/hyperv.h | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'include/linux/hyperv.h') diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 3ce36bbb398e..9c2373a1cb2d 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -477,6 +477,7 @@ enum vmbus_channel_message_type { CHANNELMSG_TL_CONNECT_REQUEST = 21, CHANNELMSG_MODIFYCHANNEL = 22, CHANNELMSG_TL_CONNECT_RESULT = 23, + CHANNELMSG_MODIFYCHANNEL_RESPONSE = 24, CHANNELMSG_COUNT }; @@ -590,6 +591,13 @@ struct vmbus_channel_open_result { u32 status; } __packed; +/* Modify Channel Result parameters */ +struct vmbus_channel_modifychannel_response { + struct vmbus_channel_message_header header; + u32 child_relid; + u32 status; +} __packed; + /* Close channel parameters; */ struct vmbus_channel_close_channel { struct vmbus_channel_message_header header; @@ -722,6 +730,7 @@ struct vmbus_channel_msginfo { struct vmbus_channel_gpadl_torndown gpadl_torndown; struct vmbus_channel_gpadl_created gpadl_created; struct vmbus_channel_version_response version_response; + struct vmbus_channel_modifychannel_response modify_response; } response; u32 msgsize; @@ -1596,7 +1605,7 @@ extern __u32 vmbus_proto_version; int vmbus_send_tl_connect_request(const guid_t *shv_guest_servie_id, const guid_t *shv_host_servie_id); -int vmbus_send_modifychannel(u32 child_relid, u32 target_vp); +int vmbus_send_modifychannel(struct vmbus_channel *channel, u32 target_vp); void vmbus_set_event(struct vmbus_channel *channel); /* Get the start of the ring buffer. */ -- cgit v1.2.3