Hi Dmitry, On Wed, Apr 24, 2024 at 4:28 AM Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> wrote: > > 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. > > To: Bjorn Andersson <andersson@xxxxxxxxxx> > To: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> > To: Sibi Sankar <quic_sibis@xxxxxxxxxxx> > To: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> > Cc: linux-arm-msm@xxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > Cc: linux-remoteproc@xxxxxxxxxxxxxxx > Cc: Johan Hovold <johan+linaro@xxxxxxxxxx> > Cc: Xilin Wu <wuxilin123@xxxxxxxxx> > Cc: "Bryan O'Donoghue" <bryan.odonoghue@xxxxxxxxxx> > -- > > Changes in v7: > - Fixed modular build (Steev) > - Link to v6: https://lore.kernel.org/r/20240422-qcom-pd-mapper-v6-0-f96957d01207@xxxxxxxxxx > > 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@xxxxxxxxxx > > 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@xxxxxxxxxx > > 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@xxxxxxxxxx > > 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@xxxxxxxxxx > > 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 | 353 +++++++++++++++++++ > 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, 1193 insertions(+), 302 deletions(-) > --- > base-commit: a59668a9397e7245b26e9be85d23f242ff757ae8 > change-id: 20240301-qcom-pd-mapper-e12d622d4ad0 > > Best regards, > -- > Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> > > I've tested this series over a large number of reboots, and the p-d devices(?) do always seem to come up (with the pd-mapper service disabled) on my Thinkpad X13s. One less service to run in userland! Tested-by: Steev Klimaszewski <steev@xxxxxxxx>
