From: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
To: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, tee-dev@lists.linaro.org,
Jens Wiklander <jens.wiklander@linaro.org>
Cc: Volodymyr Babchuk <vlad.babchuk@gmail.com>, volodymyr_babchuk@epam.com
Subject: [RESEND PATCH v2 03/14] tee: shm: add accessors for buffer size and page offset
Date: Wed, 29 Nov 2017 14:48:27 +0200 [thread overview]
Message-ID: <1511959718-5421-4-git-send-email-volodymyr_babchuk@epam.com> (raw)
In-Reply-To: <1511959718-5421-1-git-send-email-volodymyr_babchuk@epam.com>
From: Volodymyr Babchuk <vlad.babchuk@gmail.com>
These two function will be needed for shared memory registration in OP-TEE
Signed-off-by: Volodymyr Babchuk <vlad.babchuk@gmail.com>
---
include/linux/tee_drv.h | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h
index 70b9c73..0d7f2a5 100644
--- a/include/linux/tee_drv.h
+++ b/include/linux/tee_drv.h
@@ -384,6 +384,26 @@ void *tee_shm_get_va(struct tee_shm *shm, size_t offs);
int tee_shm_get_pa(struct tee_shm *shm, size_t offs, phys_addr_t *pa);
/**
+ * tee_shm_get_size() - Get size of shared memory buffer
+ * @shm: Shared memory handle
+ * @returns size of shared memory
+ */
+static inline size_t tee_shm_get_size(struct tee_shm *shm)
+{
+ return shm->size;
+}
+
+/**
+ * tee_shm_get_page_offset() - Get shared buffer offset from page start
+ * @shm: Shared memory handle
+ * @returns page offset of shared buffer
+ */
+static inline size_t tee_shm_get_page_offset(struct tee_shm *shm)
+{
+ return shm->offset;
+}
+
+/**
* tee_shm_get_id() - Get id of a shared memory object
* @shm: Shared memory handle
* @returns id
--
2.7.4
next prev parent reply other threads:[~2017-11-29 12:49 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-28 18:03 [PATCH v1 00/14] tee: optee: add dynamic shared memory support Volodymyr Babchuk
2017-09-28 18:03 ` [PATCH v1 01/14] tee: flexible shared memory pool creation Volodymyr Babchuk
2017-09-28 18:03 ` [PATCH v1 02/14] tee: add register user memory Volodymyr Babchuk
2017-09-29 10:53 ` Mark Rutland
2017-09-29 15:19 ` Volodymyr Babchuk
2017-09-28 18:04 ` [PATCH v1 03/14] tee: shm: add accessors for buffer size and page offset Volodymyr Babchuk
2017-09-28 18:04 ` [PATCH v1 04/14] tee: shm: add page accessor functions Volodymyr Babchuk
2017-09-28 22:14 ` Yury Norov
2017-09-29 10:17 ` Volodymyr Babchuk
2017-09-28 18:04 ` [PATCH v1 05/14] tee: optee: Update protocol definitions Volodymyr Babchuk
2017-09-28 18:04 ` [PATCH v1 06/14] tee: optee: add page list manipulation functions Volodymyr Babchuk
2017-09-29 0:23 ` Yury Norov
2017-09-29 10:34 ` Volodymyr Babchuk
2017-09-29 16:23 ` Yury Norov
2017-09-29 13:00 ` Mark Rutland
2017-09-28 18:04 ` [PATCH v1 07/14] tee: optee: add shared buffer registration functions Volodymyr Babchuk
2017-09-29 13:06 ` Mark Rutland
2017-09-29 15:37 ` Volodymyr Babchuk
2017-09-28 18:04 ` [PATCH v1 08/14] tee: optee: add registered shared parameters handling Volodymyr Babchuk
2017-09-28 18:04 ` [PATCH v1 09/14] tee: optee: add registered buffers handling into RPC calls Volodymyr Babchuk
2017-09-28 18:04 ` [PATCH v1 10/14] tee: optee: store OP-TEE capabilities in private data Volodymyr Babchuk
2017-09-28 18:04 ` [PATCH v1 11/14] tee: optee: add optee-specific shared pool implementation Volodymyr Babchuk
2017-09-28 18:04 ` [PATCH v1 12/14] tee: optee: enable dynamic SHM support Volodymyr Babchuk
2017-10-03 16:06 ` [Tee-dev] " Stuart Yoder
2017-10-04 11:49 ` Jens Wiklander
2017-09-28 18:04 ` [PATCH v1 13/14] tee: use reference counting for tee_context Volodymyr Babchuk
2017-09-28 18:04 ` [PATCH v1 14/14] tee: shm: inline tee_shm getter functions Volodymyr Babchuk
2017-09-29 0:50 ` Yury Norov
2017-09-29 10:31 ` [PATCH v1 00/14] tee: optee: add dynamic shared memory support Mark Rutland
2017-09-29 10:51 ` Volodymyr Babchuk
2017-10-03 16:05 ` [Tee-dev] " Stuart Yoder
2017-10-04 17:23 ` Volodymyr Babchuk
2017-10-13 19:32 ` Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 01/14] tee: flexible shared memory pool creation Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 02/14] tee: add register user memory Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 03/14] tee: shm: add accessors for buffer size and page offset Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 04/14] tee: shm: add page accessor functions Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 05/14] tee: optee: Update protocol definitions Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 06/14] tee: optee: add page list manipulation functions Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 07/14] tee: optee: add shared buffer registration functions Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 08/14] tee: optee: add registered shared parameters handling Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 09/14] tee: optee: add registered buffers handling into RPC calls Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 10/14] tee: optee: store OP-TEE capabilities in private data Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 11/14] tee: optee: add optee-specific shared pool implementation Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 12/14] tee: optee: enable dynamic SHM support Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 13/14] tee: use reference counting for tee_context Volodymyr Babchuk
2017-10-13 19:32 ` [PATCH v1 14/14] tee: shm: inline tee_shm_get_id() Volodymyr Babchuk
2017-10-13 19:40 ` [PATCH v1 00/14] tee: optee: add dynamic shared memory support Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 " Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 01/14] tee: flexible shared memory pool creation Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 02/14] tee: add register user memory Volodymyr Babchuk
2017-11-29 12:48 ` Volodymyr Babchuk [this message]
2017-11-29 12:48 ` [RESEND PATCH v2 04/14] tee: shm: add page accessor functions Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 05/14] tee: optee: Update protocol definitions Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 06/14] tee: optee: add page list manipulation functions Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 07/14] tee: optee: add shared buffer registration functions Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 08/14] tee: optee: add registered shared parameters handling Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 09/14] tee: optee: add registered buffers handling into RPC calls Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 10/14] tee: optee: store OP-TEE capabilities in private data Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 11/14] tee: optee: add optee-specific shared pool implementation Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 12/14] tee: optee: enable dynamic SHM support Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 13/14] tee: use reference counting for tee_context Volodymyr Babchuk
2017-11-29 12:48 ` [RESEND PATCH v2 14/14] tee: shm: inline tee_shm_get_id() Volodymyr Babchuk
2017-12-06 14:32 ` [RESEND PATCH v2 00/14] tee: optee: add dynamic shared memory support Jens Wiklander
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