diff mbox series

[V2] tests/external_memory:VFIO module parameter increase the allowed limit

Message ID 20210312173716.3853-1-linglix.chen@intel.com (mailing list archive)
State Accepted
Headers show
Series [V2] tests/external_memory:VFIO module parameter increase the allowed limit | expand

Commit Message

Chen, LingliX March 12, 2021, 5:37 p.m. UTC
According to commit 016763c21958 ("vfio: do not merge contiguous areas").
VFIO module parameter ``dma_entry_limit`` with a default value of 64K.
When application is out of DMA entries, these limits need to be adjusted to increase the allowed limit .

Signed-off-by: Chen Lingli <linglix.chen@intel.com>
---
V2:modifie comment use git commit description style 
V1:modifie dts

 tests/TestSuite_external_memory.py | 1 +
 1 file changed, 1 insertion(+)

Comments

Chen, LingliX March 12, 2021, 9:17 a.m. UTC | #1
> -----Original Message-----
> From: Chen, LingliX
> Sent: Saturday, March 13, 2021 1:37 AM
> To: dts@dpdk.org
> Cc: Chen, LingliX <linglix.chen@intel.com>
> Subject: [dts][PATCH V2] tests/external_memory:VFIO module parameter
> increase the allowed limit

Tested-by: Chen Lingli <linglix.chen@intel.com>
Lijuan Tu March 15, 2021, 7:27 a.m. UTC | #2
> According to commit 016763c21958 ("vfio: do not merge contiguous areas").
> VFIO module parameter ``dma_entry_limit`` with a default value of 64K.
> When application is out of DMA entries, these limits need to be adjusted to
> increase the allowed limit .
> 
> Signed-off-by: Chen Lingli <linglix.chen@intel.com>
> ---
> V2:modifie comment use git commit description style V1:modifie dts

Applied, thanks
diff mbox series

Patch

diff --git a/tests/TestSuite_external_memory.py b/tests/TestSuite_external_memory.py
index 0224a319..e31b2787 100644
--- a/tests/TestSuite_external_memory.py
+++ b/tests/TestSuite_external_memory.py
@@ -111,6 +111,7 @@  class TestExternalMemory(TestCase):
         Verifier VFIO_PCI and anonymous memory allocation
         """
         self.insmod_modprobe(modename="vfio-pci")
+        self.dut.send_expect("echo 655359 > /sys/module/vfio_iommu_type1/parameters/dma_entry_limit", "#", 10)
 
         self.eal_para = self.dut.create_eal_parameters(cores="1S/4C/1T")
         self.dut.send_expect(r'./%s %s -- --mp-alloc=xmem -i'