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a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A Protection domain mapper is a QMI service providing mapping between 'protection domains' and services supported / allowed in these domains. For example such mapping is required for loading of the WiFi firmware or for properly starting up the UCSI / altmode / battery manager support. The existing userspace implementation has several issue. It doesn't play well with CONFIG_EXTRA_FIRMWARE, it doesn't reread the JSON files if the firmware location is changed (or if the firmware was not available at the time pd-mapper was started but the corresponding directory is mounted later), etc. However this configuration is largely static and common between different platforms. Provide in-kernel service implementing static per-platform data. Unlike previous revisions of the patchset, this iteration uses static configuration per platform, rather than building it dynamically from the list of DSPs being started. --- 2.39.2 To: Bjorn Andersson To: Konrad Dybcio To: Mathieu Poirier To: Sibi Sankar Cc: linux-arm-msm@vger.kernel.org Cc: linux-remoteproc@vger.kernel.org Cc: Johan Hovold Cc: Xilin Wu Changes in v6: - Reworked mutex to fix lockdep issue on deregistration - Fixed dependencies between PD-mapper and remoteproc to fix modular builds (Krzysztof) - Added EXPORT_SYMBOL_GPL to fix modular builds (Krzysztof) - Fixed kerneldocs (Krzysztof) - Removed extra pr_debug messages (Krzysztof) - Fixed wcss build (Krzysztof) - Added platforms which do not require protection domain mapping to silence the notice on those platforms - Link to v5: https://lore.kernel.org/r/20240419-qcom-pd-mapper-v5-0-e35b6f847e99@linaro.org Changes in v5: - pdr: drop lock in pdr_register_listener, list_lock is already held (Chris Lew) - pd_mapper: reworked to provide static configuration per platform (Bjorn) - Link to v4: https://lore.kernel.org/r/20240311-qcom-pd-mapper-v4-0-24679cca5c24@linaro.org Changes in v4: - Fixed missing chunk, reenabled kfree in qmi_del_server (Konrad) - Added configuration for sm6350 (Thanks to Luca) - Removed RFC tag (Konrad) - Link to v3: https://lore.kernel.org/r/20240304-qcom-pd-mapper-v3-0-6858fa1ac1c8@linaro.org Changes in RFC v3: - Send start / stop notifications when PD-mapper domain list is changed - Reworked the way PD-mapper treats protection domains, register all of them in a single batch - Added SC7180 domains configuration based on TCL Book 14 GO - Link to v2: https://lore.kernel.org/r/20240301-qcom-pd-mapper-v2-0-5d12a081d9d1@linaro.org Changes in RFC v2: - Swapped num_domains / domains (Konrad) - Fixed an issue with battery not working on sc8280xp - Added missing configuration for QCS404 --- Dmitry Baryshkov (6): soc: qcom: pdr: protect locator_addr with the main mutex soc: qcom: pdr: fix parsing of domains lists soc: qcom: pdr: extract PDR message marshalling data soc: qcom: qmi: add a way to remove running service soc: qcom: add pd-mapper implementation remoteproc: qcom: enable in-kernel PD mapper drivers/remoteproc/Kconfig | 4 + drivers/remoteproc/qcom_q6v5_adsp.c | 11 +- drivers/remoteproc/qcom_q6v5_mss.c | 10 +- drivers/remoteproc/qcom_q6v5_pas.c | 12 +- drivers/remoteproc/qcom_q6v5_wcss.c | 12 +- drivers/soc/qcom/Kconfig | 14 + drivers/soc/qcom/Makefile | 2 + drivers/soc/qcom/pdr_interface.c | 6 +- drivers/soc/qcom/pdr_internal.h | 318 ++--------------- drivers/soc/qcom/qcom_pd_mapper.c | 656 ++++++++++++++++++++++++++++++++++++ drivers/soc/qcom/qcom_pdr_msg.c | 349 +++++++++++++++++++ drivers/soc/qcom/qmi_interface.c | 67 ++++ include/linux/soc/qcom/pd_mapper.h | 28 ++ include/linux/soc/qcom/qmi.h | 2 + 14 files changed, 1189 insertions(+), 302 deletions(-) --- base-commit: a35e92ef04c07bd473404b9b73d489aea19a60a8 change-id: 20240301-qcom-pd-mapper-e12d622d4ad0 Best regards,