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This is an implementation of the key value/pair (KVP) functionality for Linux guests hosted on HyperV. This component communicates with the host to support the KVP functionality. Signed-off-by: K. Y. Srinivasan <ksrinivasan at novell.com> --- drivers/staging/hv/Makefile | 2 +- drivers/staging/hv/channel_mgmt.c | 23 +++- drivers/staging/hv/hv_kvp.c | 346

This is an implementation of the key value/pair (KVP) functionality for Linux guests hosted on HyperV. This component communicates with the host to support the KVP functionality. Signed-off-by: K. Y. Srinivasan <ksrinivasan at novell.com> --- drivers/staging/hv/Makefile | 2 +- drivers/staging/hv/channel_mgmt.c | 23 +++- drivers/staging/hv/hv_kvp.c | 346

An implementation of key/value pair feature (KVP) for Linux on HyperV. In this version of the patch I have addressed all the comments I have received to date. I have also included the code for the user-level daemon here for your reference. Signed-off-by: K. Y. Srinivasan <ksrinivasan at novell.com> -------------- next part -------------- An embedded and charset-unspecified text was

An implementation of key/value pair feature (KVP) for Linux on HyperV. In this version of the patch I have addressed all the comments I have received to date. I have also included the code for the user-level daemon here for your reference. Signed-off-by: K. Y. Srinivasan <ksrinivasan at novell.com> -------------- next part -------------- An embedded and charset-unspecified text was

I am enclosing a patch that implements the KVP (Key Value Pair) functionality for Linux guests on HyperV. This functionality allows Microsoft Management stack to query information from the guest. This functionality is implemented in two parts: (a) A kernel component that communicates with the host and (b) A user level daemon that implements data gathering. The attached patch (kvp.patch) implements

I am enclosing a patch that implements the KVP (Key Value Pair) functionality for Linux guests on HyperV. This functionality allows Microsoft Management stack to query information from the guest. This functionality is implemented in two parts: (a) A kernel component that communicates with the host and (b) A user level daemon that implements data gathering. The attached patch (kvp.patch) implements

From: Hank Janssen <hjanssen at microsoft.com> Addition of new driver for Hyper-V called hv_utils. This driver is intended to support things like KVP, Timesync, Heartbeat etc. This first release has support for graceful shutdown. e.g. Select shutdown from the Hyper-V main admin screen and the Linux VM will do a graceful shutdown. Signed-off-by: Hank Janssen <hjanssen at

From: Hank Janssen <hjanssen at microsoft.com> Addition of new driver for Hyper-V called hv_utils. This driver is intended to support things like KVP, Timesync, Heartbeat etc. This first release has support for graceful shutdown. e.g. Select shutdown from the Hyper-V main admin screen and the Linux VM will do a graceful shutdown. Signed-off-by: Hank Janssen <hjanssen at

Resending this patch from my personal Linux server. Exchange server and outlook at Microsoft seems to badly munge my patch. :( From: Hank Janssen <hjanssen at sailtheuniverse.com> Subject: [PATCH 1/1] hv: Added new hv_utils driver with shutdown as first functionality Addition of new driver for Hyper-V called hv_utils. This driver is intended to support things like KVP, Timesync, Heartbeat

Resending this patch from my personal Linux server. Exchange server and outlook at Microsoft seems to badly munge my patch. :( From: Hank Janssen <hjanssen at sailtheuniverse.com> Subject: [PATCH 1/1] hv: Added new hv_utils driver with shutdown as first functionality Addition of new driver for Hyper-V called hv_utils. This driver is intended to support things like KVP, Timesync, Heartbeat

From: K. Y. Srinivasan <ksrinivasan at novell.com> Subject: An implementation of key/value pair feature (KVP) for Linux on HyperV. Signed-off-by: K. Y. Srinivasan <ksrinivasan at novell.com> Index: linux.trees.git/drivers/staging/hv/tools/hv_kvp_daemon.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++

From: K. Y. Srinivasan <ksrinivasan at novell.com> Subject: An implementation of key/value pair feature (KVP) for Linux on HyperV. Signed-off-by: K. Y. Srinivasan <ksrinivasan at novell.com> Index: linux.trees.git/drivers/staging/hv/tools/hv_kvp_daemon.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++

All guest specific data gathering is implemented in a user-mode daemon. The kernel component of KVP passes the "key" to this daemon and the daemon is responsible for passing back the corresponding value. This daemon communicates with the kernel component via a netlink channel. Signed-off-by: K. Y. Srinivasan <ksrinivasan at novell.com> --- drivers/staging/hv/tools/hv_kvp_daemon.c

All guest specific data gathering is implemented in a user-mode daemon. The kernel component of KVP passes the "key" to this daemon and the daemon is responsible for passing back the corresponding value. This daemon communicates with the kernel component via a netlink channel. Signed-off-by: K. Y. Srinivasan <ksrinivasan at novell.com> --- drivers/staging/hv/tools/hv_kvp_daemon.c

This daemon gathers all the guest specific information needed to support = the HyperV KVP functionality. This daemon communicates with the kernel component via a netlink channel. Signed-off-by: ksrinivasan <ksrinivasan at novell.com> --- drivers/staging/hv/tools/hv_kvp_daemon.c | 470 ++++++++++++++++++++++++++= ++++ 1 files changed, 470 insertions(+), 0 deletions(-) create mode 100644

This daemon gathers all the guest specific information needed to support = the HyperV KVP functionality. This daemon communicates with the kernel component via a netlink channel. Signed-off-by: ksrinivasan <ksrinivasan at novell.com> --- drivers/staging/hv/tools/hv_kvp_daemon.c | 470 ++++++++++++++++++++++++++= ++++ 1 files changed, 470 insertions(+), 0 deletions(-) create mode 100644

The OSD layer was a wrapper around native interfaces adding little value and was infact buggy - refer to the osd_wait.patch for details. This patch gets rid of the OSD abstraction. Signed-off-by: K. Y. Srinivasan <kys at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com> --- drivers/staging/hv/Makefile | 2 +- drivers/staging/hv/blkvsc.c | 2 +-

The OSD layer was a wrapper around native interfaces adding little value and was infact buggy - refer to the osd_wait.patch for details. This patch gets rid of the OSD abstraction. Signed-off-by: K. Y. Srinivasan <kys at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com> --- drivers/staging/hv/Makefile | 2 +- drivers/staging/hv/blkvsc.c | 2 +-

Correct issue with not checking kmalloc return value. This fix now only uses one receive buffer for all hv_utils channels, and will do only one kmalloc on init and will return with a -ENOMEM if kmalloc fails on initialize. Thanks to Evgeniy Polyakov <zbr at ioremap.net> for pointing this out. And thanks to Jesper Juhl <jj at chaosbits.net> and Ky Srinivasan <ksrinivasan at

Correct issue with not checking kmalloc return value. This fix now only uses one receive buffer for all hv_utils channels, and will do only one kmalloc on init and will return with a -ENOMEM if kmalloc fails on initialize. Thanks to Evgeniy Polyakov <zbr at ioremap.net> for pointing this out. And thanks to Jesper Juhl <jj at chaosbits.net> and Ky Srinivasan <ksrinivasan at