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From: Stephen Hemminger <stephen@networkplumber.org>
To: alexmay@microsoft.com
Cc: dev@dpdk.org, Stephen Hemminger <shemming@brocade.com>
Subject: [dpdk-dev] [PATCH 7/7] hv: add kernel patch
Date: Mon, 20 Apr 2015 14:54:14 -0700	[thread overview]
Message-ID: <1429566854-17490-8-git-send-email-stephen@networkplumber.org> (raw)
In-Reply-To: <1429566854-17490-1-git-send-email-stephen@networkplumber.org>

From: Stephen Hemminger <shemming@brocade.com>

For users using non latest kernels, put kernel patch in for
them to use.

Signed-off-by: Stephen Hemminger <stephen@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@mirantis.com>
+Signed-off-by: Stephen Hemminger <stephen@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

  parent reply	other threads:[~2015-04-20 21:54 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-20 21:54 [dpdk-dev] [PATCH 0/7] Hyper-V Poll Mode Driver Stephen Hemminger
2015-04-20 21:54 ` [dpdk-dev] [PATCH 1/7] ether: add function to query for link state interrupt Stephen Hemminger
2015-04-20 21:54 ` [dpdk-dev] [PATCH 2/7] pmd: change drivers initialization for pci Stephen Hemminger
2015-04-20 21:54 ` [dpdk-dev] [PATCH 3/7] hv: add basic vmbus support Stephen Hemminger
2015-04-21 12:23   ` Neil Horman
2015-04-20 21:54 ` [dpdk-dev] [PATCH 4/7] hv: uio driver Stephen Hemminger
2015-04-20 21:54 ` [dpdk-dev] [PATCH 5/7] hv: poll mode driver Stephen Hemminger
2015-04-20 21:54 ` [dpdk-dev] [PATCH 6/7] hv: enable driver in common config Stephen Hemminger
2015-04-20 21:54 ` Stephen Hemminger [this message]
  -- strict thread matches above, loose matches on Subject: below --
2015-02-05  1:13 [dpdk-dev] [PATCH 0/7] Hyper-v driver and infrastructure Stephen Hemminger
2015-02-05  1:13 ` [dpdk-dev] [PATCH 7/7] hv: add kernel patch Stephen Hemminger

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