From: Bartosz Golaszewski <brgl@bgdev.pl> To: Andy Gross <agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Elliot Berman <quic_eberman@quicinc.com>, Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, Guru Das Srinagesh <quic_gurus@quicinc.com>, Andrew Halaney <ahalaney@redhat.com>, Maximilian Luz <luzmaximilian@gmail.com>, Alex Elder <elder@linaro.org>, Srini Kandagatla <srinivas.kandagatla@linaro.org>, Arnd Bergmann <arnd@arndb.de> Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@quicinc.com, Bartosz Golaszewski <bartosz.golaszewski@linaro.org>, Deepti Jaggi <quic_djaggi@quicinc.com> Subject: [PATCH v8 07/12] firmware: qcom: scm: make qcom_scm_qseecom_app_get_id() use the TZ allocator Date: Sun, 3 Mar 2024 16:01:10 +0100 [thread overview] Message-ID: <20240303150115.133633-8-brgl@bgdev.pl> (raw) In-Reply-To: <20240303150115.133633-1-brgl@bgdev.pl> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Let's use the new TZ memory allocator to obtain a buffer for this call instead of manually kmalloc()ing it and then mapping to physical space. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andrew Halaney <ahalaney@redhat.com> Tested-by: Maximilian Luz <luzmaximilian@gmail.com> Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s Tested-by: Deepti Jaggi <quic_djaggi@quicinc.com> #sa8775p-ride Reviewed-by: Elliot Berman <quic_eberman@quicinc.com> --- drivers/firmware/qcom/qcom_scm.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index ed2600bbd4eb..b0fc0727d090 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -1525,37 +1525,27 @@ int qcom_scm_qseecom_app_get_id(const char *app_name, u32 *app_id) unsigned long app_name_len = strlen(app_name); struct qcom_scm_desc desc = {}; struct qcom_scm_qseecom_resp res = {}; - dma_addr_t name_buf_phys; - char *name_buf; int status; if (app_name_len >= name_buf_size) return -EINVAL; - name_buf = kzalloc(name_buf_size, GFP_KERNEL); + char *name_buf __free(qcom_tzmem) = qcom_tzmem_alloc(__scm->mempool, + name_buf_size, + GFP_KERNEL); if (!name_buf) return -ENOMEM; memcpy(name_buf, app_name, app_name_len); - name_buf_phys = dma_map_single(__scm->dev, name_buf, name_buf_size, DMA_TO_DEVICE); - status = dma_mapping_error(__scm->dev, name_buf_phys); - if (status) { - kfree(name_buf); - dev_err(__scm->dev, "qseecom: failed to map dma address\n"); - return status; - } - desc.owner = QSEECOM_TZ_OWNER_QSEE_OS; desc.svc = QSEECOM_TZ_SVC_APP_MGR; desc.cmd = QSEECOM_TZ_CMD_APP_LOOKUP; desc.arginfo = QCOM_SCM_ARGS(2, QCOM_SCM_RW, QCOM_SCM_VAL); - desc.args[0] = name_buf_phys; + desc.args[0] = qcom_tzmem_to_phys(name_buf); desc.args[1] = app_name_len; status = qcom_scm_qseecom_call(&desc, &res); - dma_unmap_single(__scm->dev, name_buf_phys, name_buf_size, DMA_TO_DEVICE); - kfree(name_buf); if (status) return status; -- 2.40.1
WARNING: multiple messages have this Message-ID (diff)
From: Bartosz Golaszewski <brgl@bgdev.pl> To: Andy Gross <agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Elliot Berman <quic_eberman@quicinc.com>, Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, Guru Das Srinagesh <quic_gurus@quicinc.com>, Andrew Halaney <ahalaney@redhat.com>, Maximilian Luz <luzmaximilian@gmail.com>, Alex Elder <elder@linaro.org>, Srini Kandagatla <srinivas.kandagatla@linaro.org>, Arnd Bergmann <arnd@arndb.de> Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@quicinc.com, Bartosz Golaszewski <bartosz.golaszewski@linaro.org>, Deepti Jaggi <quic_djaggi@quicinc.com> Subject: [PATCH v8 07/12] firmware: qcom: scm: make qcom_scm_qseecom_app_get_id() use the TZ allocator Date: Sun, 3 Mar 2024 16:01:10 +0100 [thread overview] Message-ID: <20240303150115.133633-8-brgl@bgdev.pl> (raw) In-Reply-To: <20240303150115.133633-1-brgl@bgdev.pl> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Let's use the new TZ memory allocator to obtain a buffer for this call instead of manually kmalloc()ing it and then mapping to physical space. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andrew Halaney <ahalaney@redhat.com> Tested-by: Maximilian Luz <luzmaximilian@gmail.com> Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s Tested-by: Deepti Jaggi <quic_djaggi@quicinc.com> #sa8775p-ride Reviewed-by: Elliot Berman <quic_eberman@quicinc.com> --- drivers/firmware/qcom/qcom_scm.c | 18 ++++-------------- 1 file changed, 4 insertions(+), 14 deletions(-) diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index ed2600bbd4eb..b0fc0727d090 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -1525,37 +1525,27 @@ int qcom_scm_qseecom_app_get_id(const char *app_name, u32 *app_id) unsigned long app_name_len = strlen(app_name); struct qcom_scm_desc desc = {}; struct qcom_scm_qseecom_resp res = {}; - dma_addr_t name_buf_phys; - char *name_buf; int status; if (app_name_len >= name_buf_size) return -EINVAL; - name_buf = kzalloc(name_buf_size, GFP_KERNEL); + char *name_buf __free(qcom_tzmem) = qcom_tzmem_alloc(__scm->mempool, + name_buf_size, + GFP_KERNEL); if (!name_buf) return -ENOMEM; memcpy(name_buf, app_name, app_name_len); - name_buf_phys = dma_map_single(__scm->dev, name_buf, name_buf_size, DMA_TO_DEVICE); - status = dma_mapping_error(__scm->dev, name_buf_phys); - if (status) { - kfree(name_buf); - dev_err(__scm->dev, "qseecom: failed to map dma address\n"); - return status; - } - desc.owner = QSEECOM_TZ_OWNER_QSEE_OS; desc.svc = QSEECOM_TZ_SVC_APP_MGR; desc.cmd = QSEECOM_TZ_CMD_APP_LOOKUP; desc.arginfo = QCOM_SCM_ARGS(2, QCOM_SCM_RW, QCOM_SCM_VAL); - desc.args[0] = name_buf_phys; + desc.args[0] = qcom_tzmem_to_phys(name_buf); desc.args[1] = app_name_len; status = qcom_scm_qseecom_call(&desc, &res); - dma_unmap_single(__scm->dev, name_buf_phys, name_buf_size, DMA_TO_DEVICE); - kfree(name_buf); if (status) return status; -- 2.40.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-03-03 15:01 UTC|newest] Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-03-03 15:01 [PATCH v8 00/12] firmware: qcom: implement support for and enable SHM bridge Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-03 15:01 ` [PATCH v8 01/12] firmware: qcom: add a dedicated TrustZone buffer allocator Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-04 16:07 ` Jeff Johnson 2024-03-04 16:07 ` Jeff Johnson 2024-03-03 15:01 ` [PATCH v8 02/12] firmware: qcom: scm: enable the TZ mem allocator Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-03 20:58 ` kernel test robot 2024-03-03 15:01 ` [PATCH v8 03/12] firmware: qcom: scm: smc: switch to using the SCM allocator Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-03 15:01 ` [PATCH v8 04/12] firmware: qcom: scm: make qcom_scm_assign_mem() use the TZ allocator Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-03 15:01 ` [PATCH v8 05/12] firmware: qcom: scm: make qcom_scm_ice_set_key() " Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-03 15:01 ` [PATCH v8 06/12] firmware: qcom: scm: make qcom_scm_lmh_dcvsh() " Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski [this message] 2024-03-03 15:01 ` [PATCH v8 07/12] firmware: qcom: scm: make qcom_scm_qseecom_app_get_id() " Bartosz Golaszewski 2024-03-03 15:01 ` [PATCH v8 08/12] firmware: qcom: qseecom: convert to using " Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-03 15:01 ` [PATCH v8 09/12] firmware: qcom: scm: add support for SHM bridge operations Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-03 15:01 ` [PATCH v8 10/12] firmware: qcom: tzmem: enable SHM Bridge support Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-04 10:21 ` Kuldeep Singh 2024-03-04 10:21 ` Kuldeep Singh 2024-03-03 15:01 ` [PATCH v8 11/12] firmware: qcom: scm: clarify the comment in qcom_scm_pas_init_image() Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski 2024-03-03 15:01 ` [PATCH v8 12/12] arm64: defconfig: enable SHM Bridge support for the TZ memory allocator Bartosz Golaszewski 2024-03-03 15:01 ` Bartosz Golaszewski
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