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From: Tadeusz Struk <tadeusz.struk@intel.com>
To: jarkko.sakkinen@linux.intel.com
Cc: linux-kselftest@vger.kernel.org, shuah@kernel.org,
	linux-kernel@vger.kernel.org, linux-integrity@vger.kernel.org,
	linux-security-module@vger.kernel.org, PeterHuewe@gmx.de,
	jgg@ziepe.ca
Subject: [PATCH 1/2] selftests: tpm2: Open tpm dev in unbuffered mode
Date: Tue, 05 Feb 2019 12:28:33 -0800	[thread overview]
Message-ID: <154939851385.18477.481518864800562919.stgit@tstruk-mobl1.jf.intel.com> (raw)

In order to have control over how many bytes are read or written
the device needs to be opened in unbuffered mode.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
---
 tools/testing/selftests/tpm2/tpm2.py |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/tpm2/tpm2.py b/tools/testing/selftests/tpm2/tpm2.py
index 40ea95ce2ead..c2b9f2b1a0ac 100644
--- a/tools/testing/selftests/tpm2/tpm2.py
+++ b/tools/testing/selftests/tpm2/tpm2.py
@@ -357,9 +357,9 @@ class Client:
         self.flags = flags
 
         if (self.flags & Client.FLAG_SPACE) == 0:
-            self.tpm = open('/dev/tpm0', 'r+b')
+            self.tpm = open('/dev/tpm0', 'r+b', buffering=0)
         else:
-            self.tpm = open('/dev/tpmrm0', 'r+b')
+            self.tpm = open('/dev/tpmrm0', 'r+b', buffering=0)
 
     def close(self):
         self.tpm.close()


WARNING: multiple messages have this Message-ID (diff)
From: tadeusz.struk at intel.com (Tadeusz Struk)
Subject: [PATCH 1/2] selftests: tpm2: Open tpm dev in unbuffered mode
Date: Tue, 05 Feb 2019 12:28:33 -0800	[thread overview]
Message-ID: <154939851385.18477.481518864800562919.stgit@tstruk-mobl1.jf.intel.com> (raw)

In order to have control over how many bytes are read or written
the device needs to be opened in unbuffered mode.

Signed-off-by: Tadeusz Struk <tadeusz.struk at intel.com>
---
 tools/testing/selftests/tpm2/tpm2.py |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/tpm2/tpm2.py b/tools/testing/selftests/tpm2/tpm2.py
index 40ea95ce2ead..c2b9f2b1a0ac 100644
--- a/tools/testing/selftests/tpm2/tpm2.py
+++ b/tools/testing/selftests/tpm2/tpm2.py
@@ -357,9 +357,9 @@ class Client:
         self.flags = flags
 
         if (self.flags & Client.FLAG_SPACE) == 0:
-            self.tpm = open('/dev/tpm0', 'r+b')
+            self.tpm = open('/dev/tpm0', 'r+b', buffering=0)
         else:
-            self.tpm = open('/dev/tpmrm0', 'r+b')
+            self.tpm = open('/dev/tpmrm0', 'r+b', buffering=0)
 
     def close(self):
         self.tpm.close()

WARNING: multiple messages have this Message-ID (diff)
From: tadeusz.struk@intel.com (Tadeusz Struk)
Subject: [PATCH 1/2] selftests: tpm2: Open tpm dev in unbuffered mode
Date: Tue, 05 Feb 2019 12:28:33 -0800	[thread overview]
Message-ID: <154939851385.18477.481518864800562919.stgit@tstruk-mobl1.jf.intel.com> (raw)
Message-ID: <20190205202833.I9EInXQ8Myld4lKUP5RWbIwOw6imll1U3SK0dZu4xuM@z> (raw)

In order to have control over how many bytes are read or written
the device needs to be opened in unbuffered mode.

Signed-off-by: Tadeusz Struk <tadeusz.struk at intel.com>
---
 tools/testing/selftests/tpm2/tpm2.py |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/tpm2/tpm2.py b/tools/testing/selftests/tpm2/tpm2.py
index 40ea95ce2ead..c2b9f2b1a0ac 100644
--- a/tools/testing/selftests/tpm2/tpm2.py
+++ b/tools/testing/selftests/tpm2/tpm2.py
@@ -357,9 +357,9 @@ class Client:
         self.flags = flags
 
         if (self.flags & Client.FLAG_SPACE) == 0:
-            self.tpm = open('/dev/tpm0', 'r+b')
+            self.tpm = open('/dev/tpm0', 'r+b', buffering=0)
         else:
-            self.tpm = open('/dev/tpmrm0', 'r+b')
+            self.tpm = open('/dev/tpmrm0', 'r+b', buffering=0)
 
     def close(self):
         self.tpm.close()

             reply	other threads:[~2019-02-05 20:28 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-05 20:28 Tadeusz Struk [this message]
2019-02-05 20:28 ` [PATCH 1/2] selftests: tpm2: Open tpm dev in unbuffered mode Tadeusz Struk
2019-02-05 20:28 ` tadeusz.struk
2019-02-05 20:28 ` [PATCH 2/2] selftests: tpm2: Extend tests to cover partial reads Tadeusz Struk
2019-02-05 20:28   ` Tadeusz Struk
2019-02-05 20:28   ` tadeusz.struk
2019-02-11 16:48   ` Jarkko Sakkinen
2019-02-11 16:48     ` Jarkko Sakkinen
2019-02-11 16:48     ` jarkko.sakkinen
2019-02-11 17:55     ` Tadeusz Struk
2019-02-11 17:55       ` Tadeusz Struk
2019-02-11 17:55       ` tadeusz.struk
2019-02-12 23:06       ` Jarkko Sakkinen
2019-02-12 23:06         ` Jarkko Sakkinen
2019-02-12 23:06         ` jarkko.sakkinen

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