* [PATCH] iommu/amd: Enable ga_log_intr when enabling guest_mode
@ 2017-07-06 2:29 ` Suravee Suthikulpanit
0 siblings, 0 replies; 3+ messages in thread
From: Suravee Suthikulpanit @ 2017-07-06 2:29 UTC (permalink / raw)
To: linux-kernel, iommu; +Cc: joro, jroedel, Suravee Suthikulpanit
IRTE[GALogIntr] bit should set when enabling guest_mode, which enables
IOMMU to generate entry in GALog when IRTE[IsRun] is not set, and send
an interrupt to notify IOMMU driver.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Cc: Joerg Roedel <jroedel@suse.de>
Fixes: d98de49a53e48 ('iommu/amd: Enable vAPIC interrupt remapping mode by default')
---
drivers/iommu/amd_iommu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 0f1219f..28fbc81 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -4316,6 +4316,7 @@ static int amd_ir_set_vcpu_affinity(struct irq_data *data, void *vcpu_info)
/* Setting */
irte->hi.fields.ga_root_ptr = (pi_data->base >> 12);
irte->hi.fields.vector = vcpu_pi_info->vector;
+ irte->lo.fields_vapic.ga_log_intr = 1;
irte->lo.fields_vapic.guest_mode = 1;
irte->lo.fields_vapic.ga_tag = pi_data->ga_tag;
--
1.8.3.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH] iommu/amd: Enable ga_log_intr when enabling guest_mode
@ 2017-07-06 2:29 ` Suravee Suthikulpanit
0 siblings, 0 replies; 3+ messages in thread
From: Suravee Suthikulpanit @ 2017-07-06 2:29 UTC (permalink / raw)
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA
Cc: jroedel-l3A5Bk7waGM
IRTE[GALogIntr] bit should set when enabling guest_mode, which enables
IOMMU to generate entry in GALog when IRTE[IsRun] is not set, and send
an interrupt to notify IOMMU driver.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit-5C7GfCeVMHo@public.gmane.org>
Cc: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>
Fixes: d98de49a53e48 ('iommu/amd: Enable vAPIC interrupt remapping mode by default')
---
drivers/iommu/amd_iommu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 0f1219f..28fbc81 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -4316,6 +4316,7 @@ static int amd_ir_set_vcpu_affinity(struct irq_data *data, void *vcpu_info)
/* Setting */
irte->hi.fields.ga_root_ptr = (pi_data->base >> 12);
irte->hi.fields.vector = vcpu_pi_info->vector;
+ irte->lo.fields_vapic.ga_log_intr = 1;
irte->lo.fields_vapic.guest_mode = 1;
irte->lo.fields_vapic.ga_tag = pi_data->ga_tag;
--
1.8.3.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] iommu/amd: Enable ga_log_intr when enabling guest_mode
2017-07-06 2:29 ` Suravee Suthikulpanit
(?)
@ 2017-07-25 13:05 ` Joerg Roedel
-1 siblings, 0 replies; 3+ messages in thread
From: Joerg Roedel @ 2017-07-25 13:05 UTC (permalink / raw)
To: Suravee Suthikulpanit; +Cc: linux-kernel, iommu, joro
On Wed, Jul 05, 2017 at 09:29:59PM -0500, Suravee Suthikulpanit wrote:
> drivers/iommu/amd_iommu.c | 1 +
> 1 file changed, 1 insertion(+)
Applied to iommu/fixes, thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2017-07-25 13:05 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-07-06 2:29 [PATCH] iommu/amd: Enable ga_log_intr when enabling guest_mode Suravee Suthikulpanit
2017-07-06 2:29 ` Suravee Suthikulpanit
2017-07-25 13:05 ` Joerg Roedel
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.