diff --git a/arch/arm64/configs/sdm660_defconfig b/arch/arm64/configs/sdm660_defconfig index 3c1c4f0ecdcdc3..be909ad08e4179 100644 --- a/arch/arm64/configs/sdm660_defconfig +++ b/arch/arm64/configs/sdm660_defconfig @@ -544,6 +544,7 @@ CONFIG_QCOM_GENI_SE=m CONFIG_QCOM_GSBI=m CONFIG_QCOM_LLCC=m CONFIG_QCOM_OCMEM=m +CONFIG_QCOM_PD_MAPPER=m CONFIG_QCOM_PMIC_GLINK=m CONFIG_QCOM_RAMP_CTRL=m CONFIG_QCOM_RMTFS_MEM=m diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig index 48845dc8fa852d..a0ce552f89a10f 100644 --- a/drivers/remoteproc/Kconfig +++ b/drivers/remoteproc/Kconfig @@ -181,6 +181,7 @@ config QCOM_Q6V5_ADSP depends on QCOM_SYSMON || QCOM_SYSMON=n depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n depends on QCOM_AOSS_QMP || QCOM_AOSS_QMP=n + depends on QCOM_PD_MAPPER || QCOM_PD_MAPPER=n select MFD_SYSCON select QCOM_PIL_INFO select QCOM_MDT_LOADER @@ -201,6 +202,7 @@ config QCOM_Q6V5_MSS depends on QCOM_SYSMON || QCOM_SYSMON=n depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n depends on QCOM_AOSS_QMP || QCOM_AOSS_QMP=n + depends on QCOM_PD_MAPPER || QCOM_PD_MAPPER=n select MFD_SYSCON select QCOM_MDT_LOADER select QCOM_PIL_INFO @@ -221,6 +223,7 @@ config QCOM_Q6V5_PAS depends on QCOM_SYSMON || QCOM_SYSMON=n depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n depends on QCOM_AOSS_QMP || QCOM_AOSS_QMP=n + depends on QCOM_PD_MAPPER || QCOM_PD_MAPPER=n select MFD_SYSCON select QCOM_PIL_INFO select QCOM_MDT_LOADER @@ -243,6 +246,7 @@ config QCOM_Q6V5_WCSS depends on QCOM_SYSMON || QCOM_SYSMON=n depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n depends on QCOM_AOSS_QMP || QCOM_AOSS_QMP=n + depends on QCOM_PD_MAPPER || QCOM_PD_MAPPER=n select MFD_SYSCON select QCOM_MDT_LOADER select QCOM_PIL_INFO diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c index 6c67514cc49319..009583b35aec7f 100644 --- a/drivers/remoteproc/qcom_q6v5_adsp.c +++ b/drivers/remoteproc/qcom_q6v5_adsp.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include @@ -383,10 +384,14 @@ static int adsp_start(struct rproc *rproc) int ret; unsigned int val; - ret = qcom_q6v5_prepare(&adsp->q6v5); + ret = qcom_pdm_get(); if (ret) return ret; + ret = qcom_q6v5_prepare(&adsp->q6v5); + if (ret) + goto put_pdm; + ret = adsp_map_carveout(rproc); if (ret) { dev_err(adsp->dev, "ADSP smmu mapping failed\n"); @@ -455,6 +460,8 @@ static int adsp_start(struct rproc *rproc) adsp_unmap_carveout(rproc); disable_irqs: qcom_q6v5_unprepare(&adsp->q6v5); +put_pdm: + qcom_pdm_release(); return ret; } @@ -487,6 +494,8 @@ static int adsp_stop(struct rproc *rproc) if (handover) qcom_adsp_pil_handover(&adsp->q6v5); + qcom_pdm_release(); + return ret; } diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 394b2c1cb5e218..3fae799d465485 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include @@ -1581,10 +1582,14 @@ static int q6v5_start(struct rproc *rproc) int xfermemop_ret; int ret; - ret = q6v5_mba_load(qproc); + ret = qcom_pdm_get(); if (ret) return ret; + ret = q6v5_mba_load(qproc); + if (ret) + goto put_pdm; + dev_info(qproc->dev, "MBA booted with%s debug policy, loading mpss\n", qproc->dp_size ? "" : "out"); @@ -1613,6 +1618,8 @@ static int q6v5_start(struct rproc *rproc) reclaim_mpss: q6v5_mba_reclaim(qproc); q6v5_dump_mba_logs(qproc); +put_pdm: + qcom_pdm_release(); return ret; } @@ -1627,6 +1634,7 @@ static int q6v5_stop(struct rproc *rproc) dev_err(qproc->dev, "timed out on wait\n"); q6v5_mba_reclaim(qproc); + qcom_pdm_release(); return 0; } diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index a9dd58608052c2..ea3232f4ea55a2 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include @@ -248,10 +249,14 @@ static int adsp_start(struct rproc *rproc) struct qcom_adsp *adsp = rproc->priv; int ret; - ret = qcom_q6v5_prepare(&adsp->q6v5); + ret = qcom_pdm_get(); if (ret) return ret; + ret = qcom_q6v5_prepare(&adsp->q6v5); + if (ret) + goto put_pdm; + ret = adsp_pds_enable(adsp, adsp->proxy_pds, adsp->proxy_pd_count); if (ret < 0) goto disable_irqs; @@ -343,6 +348,9 @@ static int adsp_start(struct rproc *rproc) /* Remove pointer to the loaded firmware, only valid in adsp_load() & adsp_start() */ adsp->firmware = NULL; +put_pdm: + qcom_pdm_release(); + return ret; } @@ -386,6 +394,8 @@ static int adsp_stop(struct rproc *rproc) if (handover) qcom_pas_handover(&adsp->q6v5); + qcom_pdm_release(); + return ret; } diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c index cff1fa07d1def7..ecd02180a0c431 100644 --- a/drivers/remoteproc/qcom_q6v5_wcss.c +++ b/drivers/remoteproc/qcom_q6v5_wcss.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "qcom_common.h" #include "qcom_pil_info.h" #include "qcom_q6v5.h" @@ -240,13 +241,17 @@ static int q6v5_wcss_start(struct rproc *rproc) struct q6v5_wcss *wcss = rproc->priv; int ret; + ret = qcom_pdm_get(); + if (ret) + return ret; + qcom_q6v5_prepare(&wcss->q6v5); /* Release Q6 and WCSS reset */ ret = reset_control_deassert(wcss->wcss_reset); if (ret) { dev_err(wcss->dev, "wcss_reset failed\n"); - return ret; + goto put_pdm; } ret = reset_control_deassert(wcss->wcss_q6_reset); @@ -288,6 +293,9 @@ static int q6v5_wcss_start(struct rproc *rproc) wcss_reset: reset_control_assert(wcss->wcss_reset); +put_pdm: + qcom_pdm_release(); + return ret; } @@ -735,6 +743,8 @@ static int q6v5_wcss_stop(struct rproc *rproc) qcom_q6v5_unprepare(&wcss->q6v5); + qcom_pdm_release(); + return 0; } diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig index c6ca4de425863d..8269d9f00dbdae 100644 --- a/drivers/soc/qcom/Kconfig +++ b/drivers/soc/qcom/Kconfig @@ -72,11 +72,25 @@ config QCOM_OCMEM requirements. This is typically used by the GPU, camera/video, and audio components on some Snapdragon SoCs. +config QCOM_PD_MAPPER + tristate "Qualcomm Protection Domain Mapper" + select QCOM_QMI_HELPERS + depends on NET && QRTR + help + The Protection Domain Mapper maps registered services to the domains + and instances handled by the remote DSPs. This is a kernel-space + implementation of the service. It is a simpler alternative to the + userspace daemon. + config QCOM_PDR_HELPERS tristate select QCOM_QMI_HELPERS + select QCOM_PDR_MSG depends on NET +config QCOM_PDR_MSG + tristate + config QCOM_PMIC_PDCHARGER_ULOG tristate "Qualcomm PMIC PDCharger ULOG driver" depends on RPMSG diff --git a/drivers/soc/qcom/Makefile b/drivers/soc/qcom/Makefile index 05b3d54e8dc939..cf72d80bbeed13 100644 --- a/drivers/soc/qcom/Makefile +++ b/drivers/soc/qcom/Makefile @@ -6,7 +6,9 @@ obj-$(CONFIG_QCOM_COMMAND_DB) += cmd-db.o obj-$(CONFIG_QCOM_GSBI) += qcom_gsbi.o obj-$(CONFIG_QCOM_MDT_LOADER) += mdt_loader.o obj-$(CONFIG_QCOM_OCMEM) += ocmem.o +obj-$(CONFIG_QCOM_PD_MAPPER) += qcom_pd_mapper.o obj-$(CONFIG_QCOM_PDR_HELPERS) += pdr_interface.o +obj-$(CONFIG_QCOM_PDR_MSG) += qcom_pdr_msg.o obj-$(CONFIG_QCOM_PMIC_GLINK) += pmic_glink.o obj-$(CONFIG_QCOM_PMIC_GLINK) += pmic_glink_altmode.o obj-$(CONFIG_QCOM_PMIC_PDCHARGER_ULOG) += pmic_pdcharger_ulog.o diff --git a/drivers/soc/qcom/pdr_interface.c b/drivers/soc/qcom/pdr_interface.c index a1b6a4081dea72..3c6f2d21e5e478 100644 --- a/drivers/soc/qcom/pdr_interface.c +++ b/drivers/soc/qcom/pdr_interface.c @@ -76,12 +76,12 @@ static int pdr_locator_new_server(struct qmi_handle *qmi, locator_hdl); struct pdr_service *pds; + mutex_lock(&pdr->lock); /* Create a local client port for QMI communication */ pdr->locator_addr.sq_family = AF_QIPCRTR; pdr->locator_addr.sq_node = svc->node; pdr->locator_addr.sq_port = svc->port; - mutex_lock(&pdr->lock); pdr->locator_init_complete = true; mutex_unlock(&pdr->lock); @@ -104,10 +104,10 @@ static void pdr_locator_del_server(struct qmi_handle *qmi, mutex_lock(&pdr->lock); pdr->locator_init_complete = false; - mutex_unlock(&pdr->lock); pdr->locator_addr.sq_node = 0; pdr->locator_addr.sq_port = 0; + mutex_unlock(&pdr->lock); } static const struct qmi_ops pdr_locator_ops = { @@ -415,7 +415,7 @@ static int pdr_locate_service(struct pdr_handle *pdr, struct pdr_service *pds) if (ret < 0) goto out; - for (i = domains_read; i < resp->domain_list_len; i++) { + for (i = 0; i < resp->domain_list_len; i++) { entry = &resp->domain_list[i]; if (strnlen(entry->name, sizeof(entry->name)) == sizeof(entry->name)) diff --git a/drivers/soc/qcom/pdr_internal.h b/drivers/soc/qcom/pdr_internal.h index 03c282b7f17eb4..8d17f7fb79e782 100644 --- a/drivers/soc/qcom/pdr_internal.h +++ b/drivers/soc/qcom/pdr_internal.h @@ -13,6 +13,8 @@ #define SERVREG_SET_ACK_REQ 0x23 #define SERVREG_RESTART_PD_REQ 0x24 +#define SERVREG_LOC_PFR_REQ 0x24 + #define SERVREG_DOMAIN_LIST_LENGTH 32 #define SERVREG_RESTART_PD_REQ_MAX_LEN 67 #define SERVREG_REGISTER_LISTENER_REQ_LEN 71 @@ -20,6 +22,7 @@ #define SERVREG_GET_DOMAIN_LIST_REQ_MAX_LEN 74 #define SERVREG_STATE_UPDATED_IND_MAX_LEN 79 #define SERVREG_GET_DOMAIN_LIST_RESP_MAX_LEN 2389 +#define SERVREG_LOC_PFR_RESP_MAX_LEN 10 struct servreg_location_entry { char name[SERVREG_NAME_LENGTH + 1]; @@ -28,83 +31,12 @@ struct servreg_location_entry { u32 instance; }; -static const struct qmi_elem_info servreg_location_entry_ei[] = { - { - .data_type = QMI_STRING, - .elem_len = SERVREG_NAME_LENGTH + 1, - .elem_size = sizeof(char), - .array_type = NO_ARRAY, - .tlv_type = 0, - .offset = offsetof(struct servreg_location_entry, - name), - }, - { - .data_type = QMI_UNSIGNED_4_BYTE, - .elem_len = 1, - .elem_size = sizeof(u32), - .array_type = NO_ARRAY, - .tlv_type = 0, - .offset = offsetof(struct servreg_location_entry, - instance), - }, - { - .data_type = QMI_UNSIGNED_1_BYTE, - .elem_len = 1, - .elem_size = sizeof(u8), - .array_type = NO_ARRAY, - .tlv_type = 0, - .offset = offsetof(struct servreg_location_entry, - service_data_valid), - }, - { - .data_type = QMI_UNSIGNED_4_BYTE, - .elem_len = 1, - .elem_size = sizeof(u32), - .array_type = NO_ARRAY, - .tlv_type = 0, - .offset = offsetof(struct servreg_location_entry, - service_data), - }, - {} -}; - struct servreg_get_domain_list_req { char service_name[SERVREG_NAME_LENGTH + 1]; u8 domain_offset_valid; u32 domain_offset; }; -static const struct qmi_elem_info servreg_get_domain_list_req_ei[] = { - { - .data_type = QMI_STRING, - .elem_len = SERVREG_NAME_LENGTH + 1, - .elem_size = sizeof(char), - .array_type = NO_ARRAY, - .tlv_type = 0x01, - .offset = offsetof(struct servreg_get_domain_list_req, - service_name), - }, - { - .data_type = QMI_OPT_FLAG, - .elem_len = 1, - .elem_size = sizeof(u8), - .array_type = NO_ARRAY, - .tlv_type = 0x10, - .offset = offsetof(struct servreg_get_domain_list_req, - domain_offset_valid), - }, - { - .data_type = QMI_UNSIGNED_4_BYTE, - .elem_len = 1, - .elem_size = sizeof(u32), - .array_type = NO_ARRAY, - .tlv_type = 0x10, - .offset = offsetof(struct servreg_get_domain_list_req, - domain_offset), - }, - {} -}; - struct servreg_get_domain_list_resp { struct qmi_response_type_v01 resp; u8 total_domains_valid; @@ -116,264 +48,60 @@ struct servreg_get_domain_list_resp { struct servreg_location_entry domain_list[SERVREG_DOMAIN_LIST_LENGTH]; }; -static const struct qmi_elem_info servreg_get_domain_list_resp_ei[] = { - { - .data_type = QMI_STRUCT, - .elem_len = 1, - .elem_size = sizeof(struct qmi_response_type_v01), - .array_type = NO_ARRAY, - .tlv_type = 0x02, - .offset = offsetof(struct servreg_get_domain_list_resp, - resp), - .ei_array = qmi_response_type_v01_ei, - }, - { - .data_type = QMI_OPT_FLAG, - .elem_len = 1, - .elem_size = sizeof(u8), - .array_type = NO_ARRAY, - .tlv_type = 0x10, - .offset = offsetof(struct servreg_get_domain_list_resp, - total_domains_valid), - }, - { - .data_type = QMI_UNSIGNED_2_BYTE, - .elem_len = 1, - .elem_size = sizeof(u16), - .array_type = NO_ARRAY, - .tlv_type = 0x10, - .offset = offsetof(struct servreg_get_domain_list_resp, - total_domains), - }, - { - .data_type = QMI_OPT_FLAG, - .elem_len = 1, - .elem_size = sizeof(u8), - .array_type = NO_ARRAY, - .tlv_type = 0x11, - .offset = offsetof(struct servreg_get_domain_list_resp, - db_rev_count_valid), - }, - { - .data_type = QMI_UNSIGNED_2_BYTE, - .elem_len = 1, - .elem_size = sizeof(u16), - .array_type = NO_ARRAY, - .tlv_type = 0x11, - .offset = offsetof(struct servreg_get_domain_list_resp, - db_rev_count), - }, - { - .data_type = QMI_OPT_FLAG, - .elem_len = 1, - .elem_size = sizeof(u8), - .array_type = NO_ARRAY, - .tlv_type = 0x12, - .offset = offsetof(struct servreg_get_domain_list_resp, - domain_list_valid), - }, - { - .data_type = QMI_DATA_LEN, - .elem_len = 1, - .elem_size = sizeof(u8), - .array_type = NO_ARRAY, - .tlv_type = 0x12, - .offset = offsetof(struct servreg_get_domain_list_resp, - domain_list_len), - }, - { - .data_type = QMI_STRUCT, - .elem_len = SERVREG_DOMAIN_LIST_LENGTH, - .elem_size = sizeof(struct servreg_location_entry), - .array_type = VAR_LEN_ARRAY, - .tlv_type = 0x12, - .offset = offsetof(struct servreg_get_domain_list_resp, - domain_list), - .ei_array = servreg_location_entry_ei, - }, - {} -}; - struct servreg_register_listener_req { u8 enable; char service_path[SERVREG_NAME_LENGTH + 1]; }; -static const struct qmi_elem_info servreg_register_listener_req_ei[] = { - { - .data_type = QMI_UNSIGNED_1_BYTE, - .elem_len = 1, - .elem_size = sizeof(u8), - .array_type = NO_ARRAY, - .tlv_type = 0x01, - .offset = offsetof(struct servreg_register_listener_req, - enable), - }, - { - .data_type = QMI_STRING, - .elem_len = SERVREG_NAME_LENGTH + 1, - .elem_size = sizeof(char), - .array_type = NO_ARRAY, - .tlv_type = 0x02, - .offset = offsetof(struct servreg_register_listener_req, - service_path), - }, - {} -}; - struct servreg_register_listener_resp { struct qmi_response_type_v01 resp; u8 curr_state_valid; enum servreg_service_state curr_state; }; -static const struct qmi_elem_info servreg_register_listener_resp_ei[] = { - { - .data_type = QMI_STRUCT, - .elem_len = 1, - .elem_size = sizeof(struct qmi_response_type_v01), - .array_type = NO_ARRAY, - .tlv_type = 0x02, - .offset = offsetof(struct servreg_register_listener_resp, - resp), - .ei_array = qmi_response_type_v01_ei, - }, - { - .data_type = QMI_OPT_FLAG, - .elem_len = 1, - .elem_size = sizeof(u8), - .array_type = NO_ARRAY, - .tlv_type = 0x10, - .offset = offsetof(struct servreg_register_listener_resp, - curr_state_valid), - }, - { - .data_type = QMI_SIGNED_4_BYTE_ENUM, - .elem_len = 1, - .elem_size = sizeof(enum servreg_service_state), - .array_type = NO_ARRAY, - .tlv_type = 0x10, - .offset = offsetof(struct servreg_register_listener_resp, - curr_state), - }, - {} -}; - struct servreg_restart_pd_req { char service_path[SERVREG_NAME_LENGTH + 1]; }; -static const struct qmi_elem_info servreg_restart_pd_req_ei[] = { - { - .data_type = QMI_STRING, - .elem_len = SERVREG_NAME_LENGTH + 1, - .elem_size = sizeof(char), - .array_type = NO_ARRAY, - .tlv_type = 0x01, - .offset = offsetof(struct servreg_restart_pd_req, - service_path), - }, - {} -}; - struct servreg_restart_pd_resp { struct qmi_response_type_v01 resp; }; -static const struct qmi_elem_info servreg_restart_pd_resp_ei[] = { - { - .data_type = QMI_STRUCT, - .elem_len = 1, - .elem_size = sizeof(struct qmi_response_type_v01), - .array_type = NO_ARRAY, - .tlv_type = 0x02, - .offset = offsetof(struct servreg_restart_pd_resp, - resp), - .ei_array = qmi_response_type_v01_ei, - }, - {} -}; - struct servreg_state_updated_ind { enum servreg_service_state curr_state; char service_path[SERVREG_NAME_LENGTH + 1]; u16 transaction_id; }; -static const struct qmi_elem_info servreg_state_updated_ind_ei[] = { - { - .data_type = QMI_SIGNED_4_BYTE_ENUM, - .elem_len = 1, - .elem_size = sizeof(u32), - .array_type = NO_ARRAY, - .tlv_type = 0x01, - .offset = offsetof(struct servreg_state_updated_ind, - curr_state), - }, - { - .data_type = QMI_STRING, - .elem_len = SERVREG_NAME_LENGTH + 1, - .elem_size = sizeof(char), - .array_type = NO_ARRAY, - .tlv_type = 0x02, - .offset = offsetof(struct servreg_state_updated_ind, - service_path), - }, - { - .data_type = QMI_UNSIGNED_2_BYTE, - .elem_len = 1, - .elem_size = sizeof(u16), - .array_type = NO_ARRAY, - .tlv_type = 0x03, - .offset = offsetof(struct servreg_state_updated_ind, - transaction_id), - }, - {} -}; - struct servreg_set_ack_req { char service_path[SERVREG_NAME_LENGTH + 1]; u16 transaction_id; }; -static const struct qmi_elem_info servreg_set_ack_req_ei[] = { - { - .data_type = QMI_STRING, - .elem_len = SERVREG_NAME_LENGTH + 1, - .elem_size = sizeof(char), - .array_type = NO_ARRAY, - .tlv_type = 0x01, - .offset = offsetof(struct servreg_set_ack_req, - service_path), - }, - { - .data_type = QMI_UNSIGNED_2_BYTE, - .elem_len = 1, - .elem_size = sizeof(u16), - .array_type = NO_ARRAY, - .tlv_type = 0x02, - .offset = offsetof(struct servreg_set_ack_req, - transaction_id), - }, - {} -}; - struct servreg_set_ack_resp { struct qmi_response_type_v01 resp; }; -static const struct qmi_elem_info servreg_set_ack_resp_ei[] = { - { - .data_type = QMI_STRUCT, - .elem_len = 1, - .elem_size = sizeof(struct qmi_response_type_v01), - .array_type = NO_ARRAY, - .tlv_type = 0x02, - .offset = offsetof(struct servreg_set_ack_resp, - resp), - .ei_array = qmi_response_type_v01_ei, - }, - {} +struct servreg_loc_pfr_req { + char service[SERVREG_NAME_LENGTH + 1]; + char reason[257]; }; +struct servreg_loc_pfr_resp { + struct qmi_response_type_v01 rsp; +}; + +extern const struct qmi_elem_info servreg_location_entry_ei[]; +extern const struct qmi_elem_info servreg_get_domain_list_req_ei[]; +extern const struct qmi_elem_info servreg_get_domain_list_resp_ei[]; +extern const struct qmi_elem_info servreg_register_listener_req_ei[]; +extern const struct qmi_elem_info servreg_register_listener_resp_ei[]; +extern const struct qmi_elem_info servreg_restart_pd_req_ei[]; +extern const struct qmi_elem_info servreg_restart_pd_resp_ei[]; +extern const struct qmi_elem_info servreg_state_updated_ind_ei[]; +extern const struct qmi_elem_info servreg_set_ack_req_ei[]; +extern const struct qmi_elem_info servreg_set_ack_resp_ei[]; +extern const struct qmi_elem_info servreg_loc_pfr_req_ei[]; +extern const struct qmi_elem_info servreg_loc_pfr_resp_ei[]; + #endif diff --git a/drivers/soc/qcom/qcom_pd_mapper.c b/drivers/soc/qcom/qcom_pd_mapper.c new file mode 100644 index 00000000000000..ba5440506c9514 --- /dev/null +++ b/drivers/soc/qcom/qcom_pd_mapper.c @@ -0,0 +1,656 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Qualcomm Protection Domain mapper + * + * Copyright (c) 2023 Linaro Ltd. + */ + +#include +#include +#include +#include +#include +#include + +#include "pdr_internal.h" + +#define SERVREG_QMI_VERSION 0x101 +#define SERVREG_QMI_INSTANCE 0 + +#define TMS_SERVREG_SERVICE "tms/servreg" + +struct qcom_pdm_domain_data { + const char *domain; + u32 instance_id; + /* NULL-terminated array */ + const char * services[]; +}; + +struct qcom_pdm_domain { + struct list_head list; + const char *name; + u32 instance_id; +}; + +struct qcom_pdm_service { + struct list_head list; + struct list_head domains; + const char *name; +}; + +static DEFINE_MUTEX(qcom_pdm_count_mutex); /* guards count */ +/* + * It is not possible to use refcount_t here. The service needs to go to 0 and + * back without warnings. + */ +static unsigned int qcom_pdm_count; + +static DEFINE_MUTEX(qcom_pdm_mutex); +static struct qmi_handle qcom_pdm_handle; +static LIST_HEAD(qcom_pdm_services); + +static struct qcom_pdm_service *qcom_pdm_find(const char *name) +{ + struct qcom_pdm_service *service; + + list_for_each_entry(service, &qcom_pdm_services, list) { + if (!strcmp(service->name, name)) + return service; + } + + return NULL; +} + +static int qcom_pdm_add_service_domain(const char *service_name, + const char *domain_name, + u32 instance_id) +{ + struct qcom_pdm_service *service; + struct qcom_pdm_domain *domain; + + service = qcom_pdm_find(service_name); + if (service) { + list_for_each_entry(domain, &service->domains, list) { + if (!strcmp(domain->name, domain_name)) + return -EBUSY; + } + } else { + service = kzalloc(sizeof(*service), GFP_KERNEL); + if (!service) + return -ENOMEM; + + INIT_LIST_HEAD(&service->domains); + service->name = service_name; + + list_add_tail(&service->list, &qcom_pdm_services); + } + + domain = kzalloc(sizeof(*domain), GFP_KERNEL); + if (!domain) { + if (list_empty(&service->domains)) { + list_del(&service->list); + kfree(service); + } + + return -ENOMEM; + } + + domain->name = domain_name; + domain->instance_id = instance_id; + list_add_tail(&domain->list, &service->domains); + + return 0; +} + +static int qcom_pdm_add_domain(const struct qcom_pdm_domain_data *data) +{ + int ret; + int i; + + ret = qcom_pdm_add_service_domain(TMS_SERVREG_SERVICE, + data->domain, + data->instance_id); + if (ret) + return ret; + + for (i = 0; data->services[i]; i++) { + ret = qcom_pdm_add_service_domain(data->services[i], + data->domain, + data->instance_id); + if (ret) + return ret; + } + + return 0; + +} + +static void qcom_pdm_free_domains(void) +{ + struct qcom_pdm_service *service, *tservice; + struct qcom_pdm_domain *domain, *tdomain; + + list_for_each_entry_safe(service, tservice, &qcom_pdm_services, list) { + list_for_each_entry_safe(domain, tdomain, &service->domains, list) { + list_del(&domain->list); + kfree(domain); + } + + list_del(&service->list); + kfree(service); + } +} + +static void qcom_pdm_get_domain_list(struct qmi_handle *qmi, + struct sockaddr_qrtr *sq, + struct qmi_txn *txn, + const void *decoded) +{ + const struct servreg_get_domain_list_req *req = decoded; + struct servreg_get_domain_list_resp *rsp = kzalloc(sizeof(*rsp), GFP_KERNEL); + struct qcom_pdm_service *service; + u32 offset; + int ret; + + offset = req->domain_offset_valid ? req->domain_offset : 0; + + rsp->resp.result = QMI_RESULT_SUCCESS_V01; + rsp->resp.error = QMI_ERR_NONE_V01; + + rsp->db_rev_count_valid = true; + rsp->db_rev_count = 1; + + rsp->total_domains_valid = true; + rsp->total_domains = 0; + + mutex_lock(&qcom_pdm_mutex); + + service = qcom_pdm_find(req->service_name); + if (service) { + struct qcom_pdm_domain *domain; + + rsp->domain_list_valid = true; + rsp->domain_list_len = 0; + + list_for_each_entry(domain, &service->domains, list) { + u32 i = rsp->total_domains++; + + if (i >= offset && i < SERVREG_DOMAIN_LIST_LENGTH) { + u32 j = rsp->domain_list_len++; + + strscpy(rsp->domain_list[j].name, domain->name, + sizeof(rsp->domain_list[i].name)); + rsp->domain_list[j].instance = domain->instance_id; + + pr_debug("PDM: found %s / %d\n", domain->name, + domain->instance_id); + } + } + } + + pr_debug("PDM: service '%s' offset %d returning %d domains (of %d)\n", req->service_name, + req->domain_offset_valid ? req->domain_offset : -1, rsp->domain_list_len, rsp->total_domains); + + ret = qmi_send_response(qmi, sq, txn, SERVREG_GET_DOMAIN_LIST_REQ, + SERVREG_GET_DOMAIN_LIST_RESP_MAX_LEN, + servreg_get_domain_list_resp_ei, rsp); + if (ret) + pr_err("Error sending servreg response: %d\n", ret); + + mutex_unlock(&qcom_pdm_mutex); + + kfree(rsp); +} + +static void qcom_pdm_pfr(struct qmi_handle *qmi, + struct sockaddr_qrtr *sq, + struct qmi_txn *txn, + const void *decoded) +{ + const struct servreg_loc_pfr_req *req = decoded; + struct servreg_loc_pfr_resp rsp = {}; + int ret; + + pr_warn_ratelimited("PDM: service '%s' crash: '%s'\n", req->service, req->reason); + + rsp.rsp.result = QMI_RESULT_SUCCESS_V01; + rsp.rsp.error = QMI_ERR_NONE_V01; + + ret = qmi_send_response(qmi, sq, txn, SERVREG_LOC_PFR_REQ, + SERVREG_LOC_PFR_RESP_MAX_LEN, + servreg_loc_pfr_resp_ei, &rsp); + if (ret) + pr_err("Error sending servreg response: %d\n", ret); +} + +static const struct qmi_msg_handler qcom_pdm_msg_handlers[] = { + { + .type = QMI_REQUEST, + .msg_id = SERVREG_GET_DOMAIN_LIST_REQ, + .ei = servreg_get_domain_list_req_ei, + .decoded_size = sizeof(struct servreg_get_domain_list_req), + .fn = qcom_pdm_get_domain_list, + }, + { + .type = QMI_REQUEST, + .msg_id = SERVREG_LOC_PFR_REQ, + .ei = servreg_loc_pfr_req_ei, + .decoded_size = sizeof(struct servreg_loc_pfr_req), + .fn = qcom_pdm_pfr, + }, + { }, +}; + +static const struct qcom_pdm_domain_data adsp_audio_pd = { + .domain = "msm/adsp/audio_pd", + .instance_id = 74, + .services = { + "avs/audio", + NULL, + }, +}; + +static const struct qcom_pdm_domain_data adsp_charger_pd = { + .domain = "msm/adsp/charger_pd", + .instance_id = 74, + .services = { NULL }, +}; + +static const struct qcom_pdm_domain_data adsp_root_pd = { + .domain = "msm/adsp/root_pd", + .instance_id = 74, + .services = { NULL }, +}; + +static const struct qcom_pdm_domain_data adsp_root_pd_pdr = { + .domain = "msm/adsp/root_pd", + .instance_id = 74, + .services = { + "tms/pdr_enabled", + NULL, + }, +}; + +static const struct qcom_pdm_domain_data adsp_sensor_pd = { + .domain = "msm/adsp/sensor_pd", + .instance_id = 74, + .services = { NULL }, +}; + +static const struct qcom_pdm_domain_data msm8996_adsp_audio_pd = { + .domain = "msm/adsp/audio_pd", + .instance_id = 4, + .services = { NULL }, +}; + +static const struct qcom_pdm_domain_data msm8996_adsp_root_pd = { + .domain = "msm/adsp/root_pd", + .instance_id = 4, + .services = { NULL }, +}; + +static const struct qcom_pdm_domain_data cdsp_root_pd = { + .domain = "msm/cdsp/root_pd", + .instance_id = 76, + .services = { NULL }, +}; + +static const struct qcom_pdm_domain_data slpi_root_pd = { + .domain = "msm/slpi/root_pd", + .instance_id = 90, + .services = { NULL }, +}; + +static const struct qcom_pdm_domain_data slpi_sensor_pd = { + .domain = "msm/slpi/sensor_pd", + .instance_id = 90, + .services = { NULL }, +}; + +static const struct qcom_pdm_domain_data mpss_root_pd = { + .domain = "msm/modem/root_pd", + .instance_id = 180, + .services = { + NULL, + }, +}; + +static const struct qcom_pdm_domain_data mpss_root_pd_gps = { + .domain = "msm/modem/root_pd", + .instance_id = 180, + .services = { + "gps/gps_service", + NULL, + }, +}; + +static const struct qcom_pdm_domain_data mpss_root_pd_gps_pdr = { + .domain = "msm/modem/root_pd", + .instance_id = 180, + .services = { + "gps/gps_service", + "tms/pdr_enabled", + NULL, + }, +}; + +static const struct qcom_pdm_domain_data msm8996_mpss_root_pd = { + .domain = "msm/modem/root_pd", + .instance_id = 100, + .services = { NULL }, +}; + +static const struct qcom_pdm_domain_data mpss_wlan_pd = { + .domain = "msm/modem/wlan_pd", + .instance_id = 180, + .services = { + "kernel/elf_loader", + "wlan/fw", + NULL, + }, +}; + +static const struct qcom_pdm_domain_data *msm8996_domains[] = { + &msm8996_adsp_audio_pd, + &msm8996_adsp_root_pd, + &msm8996_mpss_root_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *msm8998_domains[] = { + &mpss_root_pd, + &mpss_wlan_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *qcm2290_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &adsp_sensor_pd, + &mpss_root_pd_gps, + &mpss_wlan_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *qcs404_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &adsp_sensor_pd, + &cdsp_root_pd, + &mpss_root_pd, + &mpss_wlan_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sc7180_domains[] = { + &adsp_audio_pd, + &adsp_root_pd_pdr, + &adsp_sensor_pd, + &mpss_root_pd_gps_pdr, + &mpss_wlan_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sc7280_domains[] = { + &adsp_audio_pd, + &adsp_root_pd_pdr, + &adsp_charger_pd, + &adsp_sensor_pd, + &cdsp_root_pd, + &mpss_root_pd_gps_pdr, + NULL, +}; + +static const struct qcom_pdm_domain_data *sc8180x_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &adsp_charger_pd, + &cdsp_root_pd, + &mpss_root_pd_gps, + &mpss_wlan_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sc8280xp_domains[] = { + &adsp_audio_pd, + &adsp_root_pd_pdr, + &adsp_charger_pd, + &cdsp_root_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sdm660_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &mpss_wlan_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sdm670_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &cdsp_root_pd, + &mpss_root_pd, + &mpss_wlan_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sdm845_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &cdsp_root_pd, + &mpss_root_pd, + &mpss_wlan_pd, + &slpi_root_pd, + &slpi_sensor_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sm6115_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &adsp_sensor_pd, + &cdsp_root_pd, + &mpss_root_pd_gps, + &mpss_wlan_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sm6350_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &adsp_sensor_pd, + &cdsp_root_pd, + &mpss_wlan_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sm8150_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &cdsp_root_pd, + &mpss_root_pd_gps, + &mpss_wlan_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sm8250_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &cdsp_root_pd, + &slpi_root_pd, + &slpi_sensor_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sm8350_domains[] = { + &adsp_audio_pd, + &adsp_root_pd_pdr, + &adsp_charger_pd, + &cdsp_root_pd, + &mpss_root_pd_gps, + &slpi_root_pd, + &slpi_sensor_pd, + NULL, +}; + +static const struct qcom_pdm_domain_data *sm8550_domains[] = { + &adsp_audio_pd, + &adsp_root_pd, + &adsp_charger_pd, + &adsp_sensor_pd, + &cdsp_root_pd, + &mpss_root_pd_gps, + NULL, +}; + +static const struct of_device_id qcom_pdm_domains[] = { + { .compatible = "qcom,apq8064", .data = NULL, }, + { .compatible = "qcom,apq8074", .data = NULL, }, + { .compatible = "qcom,apq8084", .data = NULL, }, + { .compatible = "qcom,apq8096", .data = msm8996_domains, }, + { .compatible = "qcom,msm8226", .data = NULL, }, + { .compatible = "qcom,msm8974", .data = NULL, }, + { .compatible = "qcom,msm8996", .data = msm8996_domains, }, + { .compatible = "qcom,msm8998", .data = msm8998_domains, }, + { .compatible = "qcom,qcm2290", .data = qcm2290_domains, }, + { .compatible = "qcom,qcs404", .data = qcs404_domains, }, + { .compatible = "qcom,sc7180", .data = sc7180_domains, }, + { .compatible = "qcom,sc7280", .data = sc7280_domains, }, + { .compatible = "qcom,sc8180x", .data = sc8180x_domains, }, + { .compatible = "qcom,sc8280xp", .data = sc8280xp_domains, }, + { .compatible = "qcom,sda660", .data = sdm660_domains, }, + { .compatible = "qcom,sdm660", .data = sdm660_domains, }, + { .compatible = "qcom,sdm670", .data = sdm670_domains, }, + { .compatible = "qcom,sdm845", .data = sdm845_domains, }, + { .compatible = "qcom,sm6115", .data = sm6115_domains, }, + { .compatible = "qcom,sm6350", .data = sm6350_domains, }, + { .compatible = "qcom,sm8150", .data = sm8150_domains, }, + { .compatible = "qcom,sm8250", .data = sm8250_domains, }, + { .compatible = "qcom,sm8350", .data = sm8350_domains, }, + { .compatible = "qcom,sm8450", .data = sm8350_domains, }, + { .compatible = "qcom,sm8550", .data = sm8550_domains, }, + { .compatible = "qcom,sm8650", .data = sm8550_domains, }, + {}, +}; + +static int qcom_pdm_start(void) +{ + const struct of_device_id *match; + const struct qcom_pdm_domain_data * const *domains; + struct device_node *root; + int ret, i; + + root = of_find_node_by_path("/"); + if (!root) + return -ENODEV; + + match = of_match_node(qcom_pdm_domains, root); + of_node_put(root); + if (!match) { + pr_notice("PDM: no support for the platform, userspace daemon might be required.\n"); + return -ENODEV; + } + + domains = match->data; + if (!domains) { + pr_debug("PDM: no domains\n"); + return -ENODEV; + } + + mutex_lock(&qcom_pdm_mutex); + for (i = 0; domains[i]; i++) { + ret = qcom_pdm_add_domain(domains[i]); + if (ret) + goto free_domains; + } + + ret = qmi_handle_init(&qcom_pdm_handle, 1024, + NULL, qcom_pdm_msg_handlers); + if (ret) + goto free_domains; + + ret = qmi_add_server(&qcom_pdm_handle, SERVREG_LOCATOR_SERVICE, + SERVREG_QMI_VERSION, SERVREG_QMI_INSTANCE); + if (ret) { + pr_err("PDM: error adding server %d\n", ret); + goto release_handle; + } + mutex_unlock(&qcom_pdm_mutex); + + return 0; + +release_handle: + qmi_handle_release(&qcom_pdm_handle); + +free_domains: + qcom_pdm_free_domains(); + mutex_unlock(&qcom_pdm_mutex); + + return ret; +} + +static void qcom_pdm_stop(void) +{ + qmi_del_server(&qcom_pdm_handle, SERVREG_LOCATOR_SERVICE, + SERVREG_QMI_VERSION, SERVREG_QMI_INSTANCE); + + qmi_handle_release(&qcom_pdm_handle); + + qcom_pdm_free_domains(); +} + +/** + * qcom_pdm_get() - ensure that PD mapper is up and running + * + * Start the in-kernel Qualcomm DSP protection domain mapper service if it was + * not running. + * + * Return: 0 on success, negative error code on failure. + */ +int qcom_pdm_get(void) +{ + int ret = 0; + + mutex_lock(&qcom_pdm_count_mutex); + + if (!qcom_pdm_count) + ret = qcom_pdm_start(); + if (!ret) + ++qcom_pdm_count; + + mutex_unlock(&qcom_pdm_count_mutex); + + /* + * If it is -ENODEV, the plaform is not supported by the in-kernel + * mapper. Still return 0 to rproc driver, userspace daemon will be + * used instead of the kernel server. + */ + if (ret == -ENODEV) + return 0; + + return ret; +} +EXPORT_SYMBOL_GPL(qcom_pdm_get); + +/** + * qcom_pdm_release() - possibly stop PD mapper service + * + * Decreases refcount, stopping the server when the last user was removed. + */ +void qcom_pdm_release(void) +{ + mutex_lock(&qcom_pdm_count_mutex); + + if (qcom_pdm_count == 1) + qcom_pdm_stop(); + + if (qcom_pdm_count >= 1) + --qcom_pdm_count; + + mutex_unlock(&qcom_pdm_count_mutex); +} +EXPORT_SYMBOL_GPL(qcom_pdm_release); + +MODULE_DESCRIPTION("Qualcomm Protection Domain Mapper"); +MODULE_LICENSE("GPL"); diff --git a/drivers/soc/qcom/qcom_pdr_msg.c b/drivers/soc/qcom/qcom_pdr_msg.c new file mode 100644 index 00000000000000..bf3e4a47165e39 --- /dev/null +++ b/drivers/soc/qcom/qcom_pdr_msg.c @@ -0,0 +1,353 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2020 The Linux Foundation. All rights reserved. + */ + +#include +#include + +#include "pdr_internal.h" + +const struct qmi_elem_info servreg_location_entry_ei[] = { + { + .data_type = QMI_STRING, + .elem_len = SERVREG_NAME_LENGTH + 1, + .elem_size = sizeof(char), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct servreg_location_entry, + name), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct servreg_location_entry, + instance), + }, + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct servreg_location_entry, + service_data_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0, + .offset = offsetof(struct servreg_location_entry, + service_data), + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_location_entry_ei); + +const struct qmi_elem_info servreg_get_domain_list_req_ei[] = { + { + .data_type = QMI_STRING, + .elem_len = SERVREG_NAME_LENGTH + 1, + .elem_size = sizeof(char), + .array_type = NO_ARRAY, + .tlv_type = 0x01, + .offset = offsetof(struct servreg_get_domain_list_req, + service_name), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct servreg_get_domain_list_req, + domain_offset_valid), + }, + { + .data_type = QMI_UNSIGNED_4_BYTE, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct servreg_get_domain_list_req, + domain_offset), + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_get_domain_list_req_ei); + +const struct qmi_elem_info servreg_get_domain_list_resp_ei[] = { + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct qmi_response_type_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct servreg_get_domain_list_resp, + resp), + .ei_array = qmi_response_type_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct servreg_get_domain_list_resp, + total_domains_valid), + }, + { + .data_type = QMI_UNSIGNED_2_BYTE, + .elem_len = 1, + .elem_size = sizeof(u16), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct servreg_get_domain_list_resp, + total_domains), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x11, + .offset = offsetof(struct servreg_get_domain_list_resp, + db_rev_count_valid), + }, + { + .data_type = QMI_UNSIGNED_2_BYTE, + .elem_len = 1, + .elem_size = sizeof(u16), + .array_type = NO_ARRAY, + .tlv_type = 0x11, + .offset = offsetof(struct servreg_get_domain_list_resp, + db_rev_count), + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x12, + .offset = offsetof(struct servreg_get_domain_list_resp, + domain_list_valid), + }, + { + .data_type = QMI_DATA_LEN, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x12, + .offset = offsetof(struct servreg_get_domain_list_resp, + domain_list_len), + }, + { + .data_type = QMI_STRUCT, + .elem_len = SERVREG_DOMAIN_LIST_LENGTH, + .elem_size = sizeof(struct servreg_location_entry), + .array_type = VAR_LEN_ARRAY, + .tlv_type = 0x12, + .offset = offsetof(struct servreg_get_domain_list_resp, + domain_list), + .ei_array = servreg_location_entry_ei, + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_get_domain_list_resp_ei); + +const struct qmi_elem_info servreg_register_listener_req_ei[] = { + { + .data_type = QMI_UNSIGNED_1_BYTE, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x01, + .offset = offsetof(struct servreg_register_listener_req, + enable), + }, + { + .data_type = QMI_STRING, + .elem_len = SERVREG_NAME_LENGTH + 1, + .elem_size = sizeof(char), + .array_type = NO_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct servreg_register_listener_req, + service_path), + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_register_listener_req_ei); + +const struct qmi_elem_info servreg_register_listener_resp_ei[] = { + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct qmi_response_type_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct servreg_register_listener_resp, + resp), + .ei_array = qmi_response_type_v01_ei, + }, + { + .data_type = QMI_OPT_FLAG, + .elem_len = 1, + .elem_size = sizeof(u8), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct servreg_register_listener_resp, + curr_state_valid), + }, + { + .data_type = QMI_SIGNED_4_BYTE_ENUM, + .elem_len = 1, + .elem_size = sizeof(enum servreg_service_state), + .array_type = NO_ARRAY, + .tlv_type = 0x10, + .offset = offsetof(struct servreg_register_listener_resp, + curr_state), + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_register_listener_resp_ei); + +const struct qmi_elem_info servreg_restart_pd_req_ei[] = { + { + .data_type = QMI_STRING, + .elem_len = SERVREG_NAME_LENGTH + 1, + .elem_size = sizeof(char), + .array_type = NO_ARRAY, + .tlv_type = 0x01, + .offset = offsetof(struct servreg_restart_pd_req, + service_path), + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_restart_pd_req_ei); + +const struct qmi_elem_info servreg_restart_pd_resp_ei[] = { + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct qmi_response_type_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct servreg_restart_pd_resp, + resp), + .ei_array = qmi_response_type_v01_ei, + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_restart_pd_resp_ei); + +const struct qmi_elem_info servreg_state_updated_ind_ei[] = { + { + .data_type = QMI_SIGNED_4_BYTE_ENUM, + .elem_len = 1, + .elem_size = sizeof(u32), + .array_type = NO_ARRAY, + .tlv_type = 0x01, + .offset = offsetof(struct servreg_state_updated_ind, + curr_state), + }, + { + .data_type = QMI_STRING, + .elem_len = SERVREG_NAME_LENGTH + 1, + .elem_size = sizeof(char), + .array_type = NO_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct servreg_state_updated_ind, + service_path), + }, + { + .data_type = QMI_UNSIGNED_2_BYTE, + .elem_len = 1, + .elem_size = sizeof(u16), + .array_type = NO_ARRAY, + .tlv_type = 0x03, + .offset = offsetof(struct servreg_state_updated_ind, + transaction_id), + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_state_updated_ind_ei); + +const struct qmi_elem_info servreg_set_ack_req_ei[] = { + { + .data_type = QMI_STRING, + .elem_len = SERVREG_NAME_LENGTH + 1, + .elem_size = sizeof(char), + .array_type = NO_ARRAY, + .tlv_type = 0x01, + .offset = offsetof(struct servreg_set_ack_req, + service_path), + }, + { + .data_type = QMI_UNSIGNED_2_BYTE, + .elem_len = 1, + .elem_size = sizeof(u16), + .array_type = NO_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct servreg_set_ack_req, + transaction_id), + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_set_ack_req_ei); + +const struct qmi_elem_info servreg_set_ack_resp_ei[] = { + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof(struct qmi_response_type_v01), + .array_type = NO_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct servreg_set_ack_resp, + resp), + .ei_array = qmi_response_type_v01_ei, + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_set_ack_resp_ei); + +const struct qmi_elem_info servreg_loc_pfr_req_ei[] = { + { + .data_type = QMI_STRING, + .elem_len = SERVREG_NAME_LENGTH + 1, + .elem_size = sizeof(char), + .array_type = VAR_LEN_ARRAY, + .tlv_type = 0x01, + .offset = offsetof(struct servreg_loc_pfr_req, service) + }, + { + .data_type = QMI_STRING, + .elem_len = SERVREG_NAME_LENGTH + 1, + .elem_size = sizeof(char), + .array_type = VAR_LEN_ARRAY, + .tlv_type = 0x02, + .offset = offsetof(struct servreg_loc_pfr_req, reason) + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_loc_pfr_req_ei); + +const struct qmi_elem_info servreg_loc_pfr_resp_ei[] = { + { + .data_type = QMI_STRUCT, + .elem_len = 1, + .elem_size = sizeof_field(struct servreg_loc_pfr_resp, rsp), + .tlv_type = 0x02, + .offset = offsetof(struct servreg_loc_pfr_resp, rsp), + .ei_array = qmi_response_type_v01_ei, + }, + {} +}; +EXPORT_SYMBOL_GPL(servreg_loc_pfr_resp_ei); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Qualcomm Protection Domain messages data"); diff --git a/drivers/soc/qcom/qmi_interface.c b/drivers/soc/qcom/qmi_interface.c index bb98b06e87f88e..18ff2015c68233 100644 --- a/drivers/soc/qcom/qmi_interface.c +++ b/drivers/soc/qcom/qmi_interface.c @@ -289,6 +289,73 @@ int qmi_add_server(struct qmi_handle *qmi, unsigned int service, } EXPORT_SYMBOL_GPL(qmi_add_server); +static void qmi_send_del_server(struct qmi_handle *qmi, struct qmi_service *svc) +{ + struct qrtr_ctrl_pkt pkt; + struct sockaddr_qrtr sq; + struct msghdr msg = { }; + struct kvec iv = { &pkt, sizeof(pkt) }; + int ret; + + memset(&pkt, 0, sizeof(pkt)); + pkt.cmd = cpu_to_le32(QRTR_TYPE_DEL_SERVER); + pkt.server.service = cpu_to_le32(svc->service); + pkt.server.instance = cpu_to_le32(svc->version | svc->instance << 8); + pkt.server.node = cpu_to_le32(qmi->sq.sq_node); + pkt.server.port = cpu_to_le32(qmi->sq.sq_port); + + sq.sq_family = qmi->sq.sq_family; + sq.sq_node = qmi->sq.sq_node; + sq.sq_port = QRTR_PORT_CTRL; + + msg.msg_name = &sq; + msg.msg_namelen = sizeof(sq); + + mutex_lock(&qmi->sock_lock); + if (qmi->sock) { + ret = kernel_sendmsg(qmi->sock, &msg, &iv, 1, sizeof(pkt)); + if (ret < 0) + pr_err("send service deregistration failed: %d\n", ret); + } + mutex_unlock(&qmi->sock_lock); +} + +/** + * qmi_del_server() - register a service with the name service + * @qmi: qmi handle + * @service: type of the service + * @instance: instance of the service + * @version: version of the service + * + * Remove registration of the service with the name service. This notifies + * clients that they should no longer send messages to the client associated + * with @qmi. + * + * Return: 0 on success, negative errno on failure. + */ +int qmi_del_server(struct qmi_handle *qmi, unsigned int service, + unsigned int version, unsigned int instance) +{ + struct qmi_service *svc; + struct qmi_service *tmp; + + list_for_each_entry_safe(svc, tmp, &qmi->services, list_node) { + if (svc->service != service || + svc->version != version || + svc->instance != instance) + continue; + + qmi_send_del_server(qmi, svc); + list_del(&svc->list_node); + kfree(svc); + + return 0; + } + + return -EINVAL; +} +EXPORT_SYMBOL_GPL(qmi_del_server); + /** * qmi_txn_init() - allocate transaction id within the given QMI handle * @qmi: QMI handle diff --git a/include/linux/soc/qcom/pd_mapper.h b/include/linux/soc/qcom/pd_mapper.h new file mode 100644 index 00000000000000..d0dd3dfc8feaa1 --- /dev/null +++ b/include/linux/soc/qcom/pd_mapper.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Qualcomm Protection Domain mapper + * + * Copyright (c) 2023 Linaro Ltd. + */ +#ifndef __QCOM_PD_MAPPER__ +#define __QCOM_PD_MAPPER__ + +#if IS_ENABLED(CONFIG_QCOM_PD_MAPPER) + +int qcom_pdm_get(void); +void qcom_pdm_release(void); + +#else + +static inline int qcom_pdm_get(void) +{ + return 0; +} + +static inline void qcom_pdm_release(void) +{ +} + +#endif + +#endif diff --git a/include/linux/soc/qcom/qmi.h b/include/linux/soc/qcom/qmi.h index 469e02d2aa0d81..5039c30e4bdc65 100644 --- a/include/linux/soc/qcom/qmi.h +++ b/include/linux/soc/qcom/qmi.h @@ -241,6 +241,8 @@ int qmi_add_lookup(struct qmi_handle *qmi, unsigned int service, unsigned int version, unsigned int instance); int qmi_add_server(struct qmi_handle *qmi, unsigned int service, unsigned int version, unsigned int instance); +int qmi_del_server(struct qmi_handle *qmi, unsigned int service, + unsigned int version, unsigned int instance); int qmi_handle_init(struct qmi_handle *qmi, size_t max_msg_len, const struct qmi_ops *ops,