From: "K. Y. Srinivasan" <kys@microsoft.com>
To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com,
jasowang@redhat.com
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Subject: [PATCH 27/28] Drivers: hv: Capture the host build information
Date: Sat, 1 Dec 2012 06:46:58 -0800 [thread overview]
Message-ID: <1354373219-31374-27-git-send-email-kys@microsoft.com> (raw)
In-Reply-To: <1354373219-31374-1-git-send-email-kys@microsoft.com>
Capture the host build information so it can be presented along with the
negotiated vmbus version information.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
---
drivers/hv/hv.c | 9 +++++++++
drivers/hv/hyperv_vmbus.h | 7 +++++++
2 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 03e6a1e..0cd2da3 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -40,6 +40,11 @@ struct hv_context hv_context = {
/*
* query_hypervisor_info - Get version info of the windows hypervisor
*/
+unsigned int host_info_eax;
+unsigned int host_info_ebx;
+unsigned int host_info_ecx;
+unsigned int host_info_edx;
+
static int query_hypervisor_info(void)
{
unsigned int eax;
@@ -76,6 +81,10 @@ static int query_hypervisor_info(void)
ecx,
edx >> 24,
edx & 0xFFFFFF);
+ host_info_eax = eax;
+ host_info_ebx = ebx;
+ host_info_ecx = ecx;
+ host_info_edx = edx;
}
return max_leaf;
}
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index ac111f2..12f2f9e 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -531,6 +531,13 @@ extern void hv_synic_init(void *irqarg);
extern void hv_synic_cleanup(void *arg);
+/*
+ * Host version information.
+ */
+extern unsigned int host_info_eax;
+extern unsigned int host_info_ebx;
+extern unsigned int host_info_ecx;
+extern unsigned int host_info_edx;
/* Interface */
--
1.7.4.1
next prev parent reply other threads:[~2012-12-01 14:24 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-01 14:46 [PATCH 00/28] Drivers: hv: Update the Vmbus protocol K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 01/28] Drivers: hv: Implement routines for read side signaling optimization K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 02/28] Drivers: hv: Add state to manage batched reading K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 03/28] Drivers: hv: Turn off batched reading for util drivers K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 04/28] Drivers: hv: Optimize signaling in the read path K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 05/28] Drivers: hv: Optimize the signaling on the write path K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 06/28] Drivers: hv: Get rid of hv_get_ringbuffer_interrupt_mask() K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 07/28] Drivers: hv: Support handling multiple VMBUS versions K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 08/28] Drivers: hv: Update the ring buffer structure to match win8 functionality K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 09/28] Drivers: hv: Extend/modify vmbus_channel_offer_channel for win7 and beyond K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 10/28] Drivers: hv: Save and export negotiated vmbus version K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 11/28] Drivers: hv: Change the signature for hv_signal_event() K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 12/28] Drivers: hv: Change the signature of vmbus_set_event() K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 13/28] Drivers: hv: Move vmbus version definitions to hyperv.h K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 14/28] Drivers: hv: Manage signaling state on a per-connection basis K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 15/28] Drivers: hv: Cleanup vmbus_set_event() to support win7 and beyond K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 16/28] Drivers: hv: Setup a mapping for Hyper-V's notion cpu ID K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 17/28] Drivers: hv: Add state to manage incoming channel interrupt load K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 18/28] Drivers: hv: Modify the interrupt handling code to support win8 and beyond K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 19/28] Drivers: hv: Add code to distribute channel interrupt load K. Y. Srinivasan
2013-01-17 19:38 ` Greg KH
2013-01-17 21:28 ` KY Srinivasan
2012-12-01 14:46 ` [PATCH 20/28] Drivers: hv: Get rid of the unused global signaling state K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 21/28] Drivers: hv: Get rid of unnecessary request for offers K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 22/28] Drivers: hv: Manage event tasklets on per-cpu basis K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 23/28] Drivers: hv: Handle vmbus interrupts concurrently on all cpus K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 24/28] Drivers: hv: Add a check to deal with spurious interrupts K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 25/28] Drivers: hv: Enable protocol negotiation with win8 hosts K. Y. Srinivasan
2012-12-01 14:46 ` [PATCH 26/28] Drivers: hv: Implement flow management on the send side K. Y. Srinivasan
2012-12-01 14:46 ` K. Y. Srinivasan [this message]
2012-12-01 14:46 ` [PATCH 28/28] Drivers: hv: Cleanup and consolidate reporting of build/version info K. Y. Srinivasan
2013-01-17 19:42 ` [PATCH 00/28] Drivers: hv: Update the Vmbus protocol Greg KH
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