On 12/18/2023 9:26 PM, Mukesh Ojha wrote: > > > On 12/18/2023 11:40 AM, Vignesh Viswanathan wrote: >> q6v5 fatal and watchdog IRQ handlers always retrieves the crash reason >> information from SMEM global partition (QCOM_SMEM_HOST_ANY). >> >> For some targets like IPQ9574 and IPQ5332, crash reason information is >> present in target specific partition due to which the crash reason is >> not printed in the current implementation. >> >> Add support to pass crash_reason_partition along with crash_reason_item >> number in qcom_q6v5_init call and use the same to get the crash >> information from SMEM in fatal and watchdog IRQ handlers. >> >> Signed-off-by: Vignesh Viswanathan <quic_viswanat@xxxxxxxxxxx> >> --- >> Changes in V3: Updated commit message. >> Changes in V2: Addressed comments in V1. >> >> This patch depends on [1] which adds support for IPQ9574 and IPQ5332 >> remoteproc q5v5_mpd driver. >> >> [1]: https://lore.kernel.org/all/20231110091939.3025413-1-quic_mmanikan@xxxxxxxxxxx/ >> >> drivers/remoteproc/qcom_q6v5.c | 10 ++++++---- >> drivers/remoteproc/qcom_q6v5.h | 6 ++++-- >> drivers/remoteproc/qcom_q6v5_adsp.c | 5 +++-- >> drivers/remoteproc/qcom_q6v5_mpd.c | 14 ++++++++------ >> drivers/remoteproc/qcom_q6v5_mss.c | 5 +++-- >> drivers/remoteproc/qcom_q6v5_pas.c | 3 ++- >> drivers/remoteproc/qcom_q6v5_wcss.c | 4 +++- >> 7 files changed, 29 insertions(+), 18 deletions(-) >> >> diff --git a/drivers/remoteproc/qcom_q6v5.c b/drivers/remoteproc/qcom_q6v5.c >> index 0e32f13c196d..e4a28bf25130 100644 >> --- a/drivers/remoteproc/qcom_q6v5.c >> +++ b/drivers/remoteproc/qcom_q6v5.c >> @@ -100,7 +100,7 @@ static irqreturn_t q6v5_wdog_interrupt(int irq, void *data) >> return IRQ_HANDLED; >> } >> - msg = qcom_smem_get(QCOM_SMEM_HOST_ANY, q6v5->crash_reason, &len); >> + msg = qcom_smem_get(q6v5->crash_reason_partition, q6v5->crash_reason_item, &len); >> if (!IS_ERR(msg) && len > 0 && msg[0]) >> dev_err(q6v5->dev, "watchdog received: %s\n", msg); >> else >> @@ -121,7 +121,7 @@ irqreturn_t q6v5_fatal_interrupt(int irq, void *data) >> if (!q6v5->running) >> return IRQ_HANDLED; >> - msg = qcom_smem_get(QCOM_SMEM_HOST_ANY, q6v5->crash_reason, &len); >> + msg = qcom_smem_get(q6v5->crash_reason_partition, q6v5->crash_reason_item, &len); >> if (!IS_ERR(msg) && len > 0 && msg[0]) >> dev_err(q6v5->dev, "fatal error received: %s\n", msg); >> else >> @@ -279,14 +279,16 @@ EXPORT_SYMBOL_GPL(qcom_q6v5_panic); >> * Return: 0 on success, negative errno on failure >> */ >> int qcom_q6v5_init(struct qcom_q6v5 *q6v5, struct platform_device *pdev, >> - struct rproc *rproc, int crash_reason, const char *load_state, >> + struct rproc *rproc, int crash_reason_partition, >> + int crash_reason_item, const char *load_state, >> void (*handover)(struct qcom_q6v5 *q6v5)) >> { >> int ret; >> q6v5->rproc = rproc; >> q6v5->dev = &pdev->dev; >> - q6v5->crash_reason = crash_reason; >> + q6v5->crash_reason_partition = crash_reason_partition; >> + q6v5->crash_reason_item = crash_reason_item; >> q6v5->handover = handover; >> init_completion(&q6v5->start_done); >> diff --git a/drivers/remoteproc/qcom_q6v5.h b/drivers/remoteproc/qcom_q6v5.h >> index 4e1bb1a68284..cd02372e9856 100644 >> --- a/drivers/remoteproc/qcom_q6v5.h >> +++ b/drivers/remoteproc/qcom_q6v5.h >> @@ -40,7 +40,8 @@ struct qcom_q6v5 { >> struct completion stop_done; >> struct completion spawn_done; >> - int crash_reason; >> + int crash_reason_partition; >> + int crash_reason_item; >> bool running; >> @@ -49,7 +50,8 @@ struct qcom_q6v5 { >> }; >> int qcom_q6v5_init(struct qcom_q6v5 *q6v5, struct platform_device *pdev, >> - struct rproc *rproc, int crash_reason, const char *load_state, >> + struct rproc *rproc, int crash_reason_partition, >> + int crash_reason_item, const char *load_state, >> void (*handover)(struct qcom_q6v5 *q6v5)); >> void qcom_q6v5_deinit(struct qcom_q6v5 *q6v5); >> diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c >> index 6c67514cc493..8feb2eb45737 100644 >> --- a/drivers/remoteproc/qcom_q6v5_adsp.c >> +++ b/drivers/remoteproc/qcom_q6v5_adsp.c >> @@ -731,8 +731,9 @@ static int adsp_probe(struct platform_device *pdev) >> if (ret) >> goto disable_pm; >> - ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, desc->crash_reason_smem, >> - desc->load_state, qcom_adsp_pil_handover); >> + ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, QCOM_SMEM_HOST_ANY, >> + desc->crash_reason_smem, desc->load_state, > > Can we also rename this ->crash_reason_smem to ->crash_reason_item to > proper reflect its meaning ? > > -Mukesh Ack. Quick search shows this is used in qcom_q6v5_adsp.c, qcom_q6v5_pas.c and qcom_q6v5_wcss.c. Will change across all the files. Thanks, Vignesh > >> + qcom_adsp_pil_handover); >> if (ret) >> goto disable_pm; >> diff --git a/drivers/remoteproc/qcom_q6v5_mpd.c b/drivers/remoteproc/qcom_q6v5_mpd.c >> index b133285888c7..c893deac30e1 100644 >> --- a/drivers/remoteproc/qcom_q6v5_mpd.c >> +++ b/drivers/remoteproc/qcom_q6v5_mpd.c >> @@ -14,6 +14,7 @@ >> #include <linux/module.h> >> #include <linux/of_address.h> >> #include <linux/of_device.h> >> +#include <linux/of_platform.h> >> #include <linux/of_reserved_mem.h> >> #include <linux/platform_device.h> >> #include <linux/reset.h> >> @@ -555,9 +556,9 @@ static int q6_get_outbound_irq(struct qcom_q6v5 *q6, >> return 0; >> } >> -static int init_irq(struct qcom_q6v5 *q6, >> - struct platform_device *pdev, struct rproc *rproc, >> - int crash_reason, const char *load_state, >> +static int init_irq(struct qcom_q6v5 *q6, struct platform_device *pdev, >> + struct rproc *rproc, int crash_reason_partition, >> + int crash_reason_item, const char *load_state, >> void (*handover)(struct qcom_q6v5 *q6)) >> { >> int ret; >> @@ -565,7 +566,8 @@ static int init_irq(struct qcom_q6v5 *q6, >> q6->rproc = rproc; >> q6->dev = &pdev->dev; >> - q6->crash_reason = crash_reason; >> + q6->crash_reason_partition = crash_reason_partition; >> + q6->crash_reason_item = crash_reason_item; >> q6->handover = handover; >> init_completion(&q6->start_done); >> @@ -666,7 +668,7 @@ static int q6_register_userpd(struct platform_device *pdev, >> if (ret) >> goto free_rproc; >> - ret = init_irq(&wcss->q6, userpd_pdev, rproc, >> + ret = init_irq(&wcss->q6, userpd_pdev, rproc, WCSS_SMEM_HOST, >> WCSS_CRASH_REASON, NULL, NULL); >> if (ret) >> goto free_rproc; >> @@ -725,7 +727,7 @@ static int q6_wcss_probe(struct platform_device *pdev) >> if (ret) >> goto free_rproc; >> - ret = qcom_q6v5_init(&wcss->q6, pdev, rproc, >> + ret = qcom_q6v5_init(&wcss->q6, pdev, rproc, WCSS_SMEM_HOST, >> WCSS_CRASH_REASON, NULL, NULL); >> if (ret) >> goto free_rproc; >> diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c >> index 394b2c1cb5e2..48f115f9337b 100644 >> --- a/drivers/remoteproc/qcom_q6v5_mss.c >> +++ b/drivers/remoteproc/qcom_q6v5_mss.c >> @@ -26,6 +26,7 @@ >> #include <linux/remoteproc.h> >> #include <linux/reset.h> >> #include <linux/soc/qcom/mdt_loader.h> >> +#include <linux/soc/qcom/smem.h> >> #include <linux/iopoll.h> >> #include <linux/slab.h> >> @@ -2093,8 +2094,8 @@ static int q6v5_probe(struct platform_device *pdev) >> qproc->need_mem_protection = desc->need_mem_protection; >> qproc->has_mba_logs = desc->has_mba_logs; >> - ret = qcom_q6v5_init(&qproc->q6v5, pdev, rproc, MPSS_CRASH_REASON_SMEM, "modem", >> - qcom_msa_handover); >> + ret = qcom_q6v5_init(&qproc->q6v5, pdev, rproc, QCOM_SMEM_HOST_ANY, >> + MPSS_CRASH_REASON_SMEM, "modem", qcom_msa_handover); >> if (ret) >> goto detach_proxy_pds; >> diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c >> index 913a5d2068e8..bfadc7bd4b51 100644 >> --- a/drivers/remoteproc/qcom_q6v5_pas.c >> +++ b/drivers/remoteproc/qcom_q6v5_pas.c >> @@ -728,7 +728,8 @@ static int adsp_probe(struct platform_device *pdev) >> goto free_rproc; >> adsp->proxy_pd_count = ret; >> - ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, desc->crash_reason_smem, desc->load_state, >> + ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, QCOM_SMEM_HOST_ANY, >> + desc->crash_reason_smem, desc->load_state, >> qcom_pas_handover); >> if (ret) >> goto detach_proxy_pds; >> diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c >> index cff1fa07d1de..29510bbefa2e 100644 >> --- a/drivers/remoteproc/qcom_q6v5_wcss.c >> +++ b/drivers/remoteproc/qcom_q6v5_wcss.c >> @@ -18,6 +18,7 @@ >> #include <linux/regulator/consumer.h> >> #include <linux/reset.h> >> #include <linux/soc/qcom/mdt_loader.h> >> +#include <linux/soc/qcom/smem.h> >> #include "qcom_common.h" >> #include "qcom_pil_info.h" >> #include "qcom_q6v5.h" >> @@ -1047,7 +1048,8 @@ static int q6v5_wcss_probe(struct platform_device *pdev) >> if (ret) >> goto free_rproc; >> - ret = qcom_q6v5_init(&wcss->q6v5, pdev, rproc, desc->crash_reason_smem, NULL, NULL); >> + ret = qcom_q6v5_init(&wcss->q6v5, pdev, rproc, QCOM_SMEM_HOST_ANY, >> + desc->crash_reason_smem, NULL, NULL); >> if (ret) >> goto free_rproc; >>
