From: Stephen Hemminger <stephen@networkplumber.org>
To: simonxiaolinux@hotmail.com, alexmay@microsoft.com, kys@microsoft.com
Cc: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2 7/7] hv: add kernel patch
Date: Wed, 25 Mar 2015 11:11:25 -0700 [thread overview]
Message-ID: <1427307085-5493-8-git-send-email-shemming@brocade.com> (raw)
In-Reply-To: <1427307085-5493-1-git-send-email-shemming@brocade.com>
From: Stephen Hemminger <stephen@networkplumber.org>
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 | 53 ++++++++++++++++++++++
1 file changed, 53 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..e1a4b13
--- /dev/null
+++ b/lib/librte_eal/linuxapp/hv_uio/vmbus-get-pages.patch
@@ -0,0 +1,53 @@
+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
++++ b/drivers/hv/connection.c
+@@ -64,6 +64,15 @@
+ }
+ }
+
++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)
+ {
+@@ -327,8 +336,6 @@
+ else
+ bytes_to_read = 0;
+ } while (read_state && (bytes_to_read != 0));
+- } else {
+- pr_err("no channel callback for relid - %u\n", relid);
+ }
+
+ spin_unlock_irqrestore(&channel->inbound_lock, flags);
+--- a/include/linux/hyperv.h
++++ b/include/linux/hyperv.h
+@@ -1162,6 +1162,9 @@
+
+ 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
next prev parent reply other threads:[~2015-03-25 18:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-25 18:11 [dpdk-dev] [PATCH v2 0/7] Hyperv PMD patches Stephen Hemminger
2015-03-25 18:11 ` [dpdk-dev] [PATCH v2 1/7] ether: add function to query for link state interrupt Stephen Hemminger
2015-03-25 18:11 ` [dpdk-dev] [PATCH v2 2/7] pmd: change drivers initialization for pci Stephen Hemminger
2015-03-25 18:11 ` [dpdk-dev] [PATCH v2 3/7] hv: add basic vmbus support Stephen Hemminger
2015-03-25 18:11 ` [dpdk-dev] [PATCH v2 4/7] hv: uio driver Stephen Hemminger
2015-03-25 18:11 ` [dpdk-dev] [PATCH v2 5/7] hv: poll mode driver Stephen Hemminger
2015-03-25 18:11 ` [dpdk-dev] [PATCH v2 6/7] hv: enable driver in common config Stephen Hemminger
2015-03-25 18:11 ` Stephen Hemminger [this message]
2015-03-25 19:34 ` [dpdk-dev] [PATCH v2 7/7] hv: add kernel patch KY Srinivasan
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