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[217.31.164.171]) by smtp.gmail.com with ESMTPSA id a19-20020a1709065f9300b0099e12a49c8fsm11313448eju.173.2023.10.26.01.04.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Oct 2023 01:04:13 -0700 (PDT) From: Jens Wiklander To: linux-kernel@vger.kernel.org, op-tee@lists.trustedfirmware.org Cc: Sumit Garg , Jerome Forissier , Sudeep Holla , Marc Bonnici , Olivier Deprez , Lorenzo Pieralisi , Jens Wiklander Subject: [PATCH 0/2] OP-TEE FF-A notifications Date: Thu, 26 Oct 2023 10:04:07 +0200 Message-Id: <20231026080409.4149616-1-jens.wiklander@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Thu, 26 Oct 2023 01:04:48 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780804475594944163 X-GMAIL-MSGID: 1780804475594944163 Hi all, This patchset adds support for using FF-A notifications as a delivery mechanism of asynchronous notifications from OP-TEE running in the secure world. Support for asynchronous notifications via the SMC ABI was added in [1], here we add the counterpart needed when using the the FF-A ABI. Support for FF-A notifications is added with [2] and this patch set is based on Sudeeps tree at [3]. [1] https://lore.kernel.org/lkml/20211103090255.998070-1-jens.wiklander@linaro.org/ [2] https://lore.kernel.org/linux-arm-kernel/20231005-ffa_v1-1_notif-v4-0-cddd3237809c@arm.com/ [3] https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git/tag/?h=ffa-updates-6.7 commit bcefd1bf63b1 ("firmware: arm_ffa: Upgrade the driver version to v1.1") Thanks, Jens Jens Wiklander (2): optee: provide optee_do_bottom_half() as a common function optee: ffa_abi: add asynchronous notifications drivers/tee/optee/call.c | 31 ++++++++++- drivers/tee/optee/ffa_abi.c | 91 ++++++++++++++++++++++++++++++- drivers/tee/optee/optee_ffa.h | 28 ++++++++-- drivers/tee/optee/optee_private.h | 9 ++- drivers/tee/optee/smc_abi.c | 36 ++---------- 5 files changed, 153 insertions(+), 42 deletions(-) base-commit: bcefd1bf63b1ec9bb08067021cf47f0fad96f395 Tested-by: Sudeep Holla