From: Stephen Hemminger <shemm...@brocade.com> For users using non latest kernels, put kernel patch in for them to use.
Signed-off-by: Stephen Hemminger <stephen at networkplumber.org> --- .../linuxapp/hv_uio/vmbus-get-pages.patch | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 lib/librte_eal/linuxapp/hv_uio/vmbus-get-pages.patch diff --git a/lib/librte_eal/linuxapp/hv_uio/vmbus-get-pages.patch b/lib/librte_eal/linuxapp/hv_uio/vmbus-get-pages.patch new file mode 100644 index 0000000..ae27fbd --- /dev/null +++ b/lib/librte_eal/linuxapp/hv_uio/vmbus-get-pages.patch @@ -0,0 +1,55 @@ +hyper-v: allow access to vmbus from userspace driver + +This is patch from to allow access to hyper-v vmbus from UIO driver. + +Signed-off-by: Stas Egorov <segorov at mirantis.com> +Signed-off-by: Stephen Hemminger <stephen at networkplumber.org> + +--- +v2 - simplify and rename to vmbus_get_monitor_pages + + drivers/hv/connection.c | 20 +++++++++++++++++--- + include/linux/hyperv.h | 3 +++ + 2 files changed, 20 insertions(+), 3 deletions(-) + +--- a/drivers/hv/connection.c 2015-02-03 10:58:51.751752450 -0800 ++++ b/drivers/hv/connection.c 2015-02-04 14:59:51.636194383 -0800 +@@ -64,6 +64,15 @@ static __u32 vmbus_get_next_version(__u3 + } + } + ++void vmbus_get_monitor_pages(unsigned long *int_page, ++ unsigned long monitor_pages[2]) ++{ ++ *int_page = (unsigned long)vmbus_connection.int_page; ++ monitor_pages[0] = (unsigned long)vmbus_connection.monitor_pages[0]; ++ monitor_pages[1] = (unsigned long)vmbus_connection.monitor_pages[1]; ++} ++EXPORT_SYMBOL_GPL(vmbus_get_monitor_pages); ++ + static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, + __u32 version) + { +@@ -347,10 +356,7 @@ static void process_chn_event(u32 relid) + else + bytes_to_read = 0; + } while (read_state && (bytes_to_read != 0)); +- } else { +- pr_err("no channel callback for relid - %u\n", relid); + } +- + } + + /* +--- a/include/linux/hyperv.h 2015-02-03 10:58:51.751752450 -0800 ++++ b/include/linux/hyperv.h 2015-02-04 15:00:26.388355012 -0800 +@@ -868,6 +868,9 @@ extern int vmbus_recvpacket_raw(struct v + + extern void vmbus_ontimer(unsigned long data); + ++extern void vmbus_get_monitor_pages(unsigned long *int_page, ++ unsigned long monitor_pages[2]); ++ + /* Base driver object */ + struct hv_driver { + const char *name; -- 2.1.4