On Wed, Dec 20, 2023 at 11:25:11AM +0530, 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. > > While at it, rename all instances of "crash_reason_smem" with > "crash_reason_item" as this reflects the proper meaning. > > Signed-off-by: Vignesh Viswanathan <quic_viswanat@xxxxxxxxxxx> No concerns with the patch now, but as this depends on the mpd driver, which is being refactored, please resubmit this once the driver is being accepted. > --- > Changes in V4: Rename all instances of crash_reason_smem to crash_reason_item > Changes in V3: Updated commit message. > Changes in V2: Addressed comments in V1. Please review go/upstream and start using b4. Regards, Bjorn > > 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 | 17 +++++---- > drivers/remoteproc/qcom_q6v5_mpd.c | 13 ++++--- > drivers/remoteproc/qcom_q6v5_mss.c | 5 ++- > drivers/remoteproc/qcom_q6v5_pas.c | 59 +++++++++++++++-------------- > drivers/remoteproc/qcom_q6v5_wcss.c | 12 +++--- > 7 files changed, 66 insertions(+), 56 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..055764aa201c 100644 > --- a/drivers/remoteproc/qcom_q6v5_adsp.c > +++ b/drivers/remoteproc/qcom_q6v5_adsp.c > @@ -62,7 +62,7 @@ > #define LPASS_EFUSE_Q6SS_EVB_SEL 0x0 > > struct adsp_pil_data { > - int crash_reason_smem; > + int crash_reason_item; > const char *firmware_name; > > const char *ssr_name; > @@ -98,7 +98,7 @@ struct qcom_adsp { > struct regmap *halt_map; > unsigned int halt_lpass; > > - int crash_reason_smem; > + int crash_reason_item; > const char *info_name; > > struct completion start_done; > @@ -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_item, desc->load_state, > + qcom_adsp_pil_handover); > if (ret) > goto disable_pm; > > @@ -776,7 +777,7 @@ static void adsp_remove(struct platform_device *pdev) > } > > static const struct adsp_pil_data adsp_resource_init = { > - .crash_reason_smem = 423, > + .crash_reason_item = 423, > .firmware_name = "adsp.mdt", > .ssr_name = "lpass", > .sysmon_name = "adsp", > @@ -794,7 +795,7 @@ static const struct adsp_pil_data adsp_resource_init = { > }; > > static const struct adsp_pil_data adsp_sc7280_resource_init = { > - .crash_reason_smem = 423, > + .crash_reason_item = 423, > .firmware_name = "adsp.pbn", > .load_state = "adsp", > .ssr_name = "lpass", > @@ -809,7 +810,7 @@ static const struct adsp_pil_data adsp_sc7280_resource_init = { > }; > > static const struct adsp_pil_data cdsp_resource_init = { > - .crash_reason_smem = 601, > + .crash_reason_item = 601, > .firmware_name = "cdsp.mdt", > .ssr_name = "cdsp", > .sysmon_name = "cdsp", > @@ -827,7 +828,7 @@ static const struct adsp_pil_data cdsp_resource_init = { > }; > > static const struct adsp_pil_data wpss_resource_init = { > - .crash_reason_smem = 626, > + .crash_reason_item = 626, > .firmware_name = "wpss.mdt", > .ssr_name = "wpss", > .sysmon_name = "wpss", > diff --git a/drivers/remoteproc/qcom_q6v5_mpd.c b/drivers/remoteproc/qcom_q6v5_mpd.c > index b133285888c7..27c9f4317e98 100644 > --- a/drivers/remoteproc/qcom_q6v5_mpd.c > +++ b/drivers/remoteproc/qcom_q6v5_mpd.c > @@ -555,9 +555,9 @@ 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 +565,8 @@ 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 +667,7 @@ 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 +726,7 @@ 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..daca648d4ddb 100644 > --- a/drivers/remoteproc/qcom_q6v5_pas.c > +++ b/drivers/remoteproc/qcom_q6v5_pas.c > @@ -34,7 +34,7 @@ > #define ADSP_DECRYPT_SHUTDOWN_DELAY_MS 100 > > struct adsp_data { > - int crash_reason_smem; > + int crash_reason_item; > const char *firmware_name; > const char *dtb_firmware_name; > int pas_id; > @@ -73,7 +73,7 @@ struct qcom_adsp { > int pas_id; > int dtb_pas_id; > unsigned int minidump_id; > - int crash_reason_smem; > + int crash_reason_item; > bool decrypt_shutdown; > const char *info_name; > > @@ -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_item, desc->load_state, > qcom_pas_handover); > if (ret) > goto detach_proxy_pds; > @@ -777,7 +778,7 @@ static void adsp_remove(struct platform_device *pdev) > } > > static const struct adsp_data adsp_resource_init = { > - .crash_reason_smem = 423, > + .crash_reason_item = 423, > .firmware_name = "adsp.mdt", > .pas_id = 1, > .auto_boot = true, > @@ -787,7 +788,7 @@ static const struct adsp_data adsp_resource_init = { > }; > > static const struct adsp_data sdm845_adsp_resource_init = { > - .crash_reason_smem = 423, > + .crash_reason_item = 423, > .firmware_name = "adsp.mdt", > .pas_id = 1, > .auto_boot = true, > @@ -798,7 +799,7 @@ static const struct adsp_data sdm845_adsp_resource_init = { > }; > > static const struct adsp_data sm6350_adsp_resource = { > - .crash_reason_smem = 423, > + .crash_reason_item = 423, > .firmware_name = "adsp.mdt", > .pas_id = 1, > .auto_boot = true, > @@ -814,7 +815,7 @@ static const struct adsp_data sm6350_adsp_resource = { > }; > > static const struct adsp_data sm6375_mpss_resource = { > - .crash_reason_smem = 421, > + .crash_reason_item = 421, > .firmware_name = "modem.mdt", > .pas_id = 4, > .minidump_id = 3, > @@ -829,7 +830,7 @@ static const struct adsp_data sm6375_mpss_resource = { > }; > > static const struct adsp_data sm8150_adsp_resource = { > - .crash_reason_smem = 423, > + .crash_reason_item = 423, > .firmware_name = "adsp.mdt", > .pas_id = 1, > .auto_boot = true, > @@ -844,7 +845,7 @@ static const struct adsp_data sm8150_adsp_resource = { > }; > > static const struct adsp_data sm8250_adsp_resource = { > - .crash_reason_smem = 423, > + .crash_reason_item = 423, > .firmware_name = "adsp.mdt", > .pas_id = 1, > .auto_boot = true, > @@ -860,7 +861,7 @@ static const struct adsp_data sm8250_adsp_resource = { > }; > > static const struct adsp_data sm8350_adsp_resource = { > - .crash_reason_smem = 423, > + .crash_reason_item = 423, > .firmware_name = "adsp.mdt", > .pas_id = 1, > .auto_boot = true, > @@ -876,7 +877,7 @@ static const struct adsp_data sm8350_adsp_resource = { > }; > > static const struct adsp_data msm8996_adsp_resource = { > - .crash_reason_smem = 423, > + .crash_reason_item = 423, > .firmware_name = "adsp.mdt", > .pas_id = 1, > .auto_boot = true, > @@ -890,7 +891,7 @@ static const struct adsp_data msm8996_adsp_resource = { > }; > > static const struct adsp_data cdsp_resource_init = { > - .crash_reason_smem = 601, > + .crash_reason_item = 601, > .firmware_name = "cdsp.mdt", > .pas_id = 18, > .auto_boot = true, > @@ -900,7 +901,7 @@ static const struct adsp_data cdsp_resource_init = { > }; > > static const struct adsp_data sdm845_cdsp_resource_init = { > - .crash_reason_smem = 601, > + .crash_reason_item = 601, > .firmware_name = "cdsp.mdt", > .pas_id = 18, > .auto_boot = true, > @@ -911,7 +912,7 @@ static const struct adsp_data sdm845_cdsp_resource_init = { > }; > > static const struct adsp_data sm6350_cdsp_resource = { > - .crash_reason_smem = 601, > + .crash_reason_item = 601, > .firmware_name = "cdsp.mdt", > .pas_id = 18, > .auto_boot = true, > @@ -927,7 +928,7 @@ static const struct adsp_data sm6350_cdsp_resource = { > }; > > static const struct adsp_data sm8150_cdsp_resource = { > - .crash_reason_smem = 601, > + .crash_reason_item = 601, > .firmware_name = "cdsp.mdt", > .pas_id = 18, > .auto_boot = true, > @@ -942,7 +943,7 @@ static const struct adsp_data sm8150_cdsp_resource = { > }; > > static const struct adsp_data sm8250_cdsp_resource = { > - .crash_reason_smem = 601, > + .crash_reason_item = 601, > .firmware_name = "cdsp.mdt", > .pas_id = 18, > .auto_boot = true, > @@ -957,7 +958,7 @@ static const struct adsp_data sm8250_cdsp_resource = { > }; > > static const struct adsp_data sc8280xp_nsp0_resource = { > - .crash_reason_smem = 601, > + .crash_reason_item = 601, > .firmware_name = "cdsp.mdt", > .pas_id = 18, > .auto_boot = true, > @@ -971,7 +972,7 @@ static const struct adsp_data sc8280xp_nsp0_resource = { > }; > > static const struct adsp_data sc8280xp_nsp1_resource = { > - .crash_reason_smem = 633, > + .crash_reason_item = 633, > .firmware_name = "cdsp.mdt", > .pas_id = 30, > .auto_boot = true, > @@ -985,7 +986,7 @@ static const struct adsp_data sc8280xp_nsp1_resource = { > }; > > static const struct adsp_data sm8350_cdsp_resource = { > - .crash_reason_smem = 601, > + .crash_reason_item = 601, > .firmware_name = "cdsp.mdt", > .pas_id = 18, > .auto_boot = true, > @@ -1001,7 +1002,7 @@ static const struct adsp_data sm8350_cdsp_resource = { > }; > > static const struct adsp_data mpss_resource_init = { > - .crash_reason_smem = 421, > + .crash_reason_item = 421, > .firmware_name = "modem.mdt", > .pas_id = 4, > .minidump_id = 3, > @@ -1018,7 +1019,7 @@ static const struct adsp_data mpss_resource_init = { > }; > > static const struct adsp_data sc8180x_mpss_resource = { > - .crash_reason_smem = 421, > + .crash_reason_item = 421, > .firmware_name = "modem.mdt", > .pas_id = 4, > .auto_boot = false, > @@ -1033,7 +1034,7 @@ static const struct adsp_data sc8180x_mpss_resource = { > }; > > static const struct adsp_data msm8996_slpi_resource_init = { > - .crash_reason_smem = 424, > + .crash_reason_item = 424, > .firmware_name = "slpi.mdt", > .pas_id = 12, > .auto_boot = true, > @@ -1047,7 +1048,7 @@ static const struct adsp_data msm8996_slpi_resource_init = { > }; > > static const struct adsp_data sdm845_slpi_resource_init = { > - .crash_reason_smem = 424, > + .crash_reason_item = 424, > .firmware_name = "slpi.mdt", > .pas_id = 12, > .auto_boot = true, > @@ -1063,7 +1064,7 @@ static const struct adsp_data sdm845_slpi_resource_init = { > }; > > static const struct adsp_data wcss_resource_init = { > - .crash_reason_smem = 421, > + .crash_reason_item = 421, > .firmware_name = "wcnss.mdt", > .pas_id = 6, > .auto_boot = true, > @@ -1073,7 +1074,7 @@ static const struct adsp_data wcss_resource_init = { > }; > > static const struct adsp_data sdx55_mpss_resource = { > - .crash_reason_smem = 421, > + .crash_reason_item = 421, > .firmware_name = "modem.mdt", > .pas_id = 4, > .auto_boot = true, > @@ -1088,7 +1089,7 @@ static const struct adsp_data sdx55_mpss_resource = { > }; > > static const struct adsp_data sm8450_mpss_resource = { > - .crash_reason_smem = 421, > + .crash_reason_item = 421, > .firmware_name = "modem.mdt", > .pas_id = 4, > .minidump_id = 3, > @@ -1106,7 +1107,7 @@ static const struct adsp_data sm8450_mpss_resource = { > }; > > static const struct adsp_data sm8550_adsp_resource = { > - .crash_reason_smem = 423, > + .crash_reason_item = 423, > .firmware_name = "adsp.mdt", > .dtb_firmware_name = "adsp_dtb.mdt", > .pas_id = 1, > @@ -1125,7 +1126,7 @@ static const struct adsp_data sm8550_adsp_resource = { > }; > > static const struct adsp_data sm8550_cdsp_resource = { > - .crash_reason_smem = 601, > + .crash_reason_item = 601, > .firmware_name = "cdsp.mdt", > .dtb_firmware_name = "cdsp_dtb.mdt", > .pas_id = 18, > @@ -1145,7 +1146,7 @@ static const struct adsp_data sm8550_cdsp_resource = { > }; > > static const struct adsp_data sm8550_mpss_resource = { > - .crash_reason_smem = 421, > + .crash_reason_item = 421, > .firmware_name = "modem.mdt", > .dtb_firmware_name = "modem_dtb.mdt", > .pas_id = 4, > diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c > index cff1fa07d1de..f6b6ec10d21b 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" > @@ -93,7 +94,7 @@ enum { > > struct wcss_data { > const char *firmware_name; > - unsigned int crash_reason_smem; > + unsigned int crash_reason_item; > u32 version; > bool aon_reset_required; > bool wcss_q6_reset_required; > @@ -143,7 +144,7 @@ struct q6v5_wcss { > void *mem_region; > size_t mem_size; > > - unsigned int crash_reason_smem; > + unsigned int crash_reason_item; > u32 version; > bool requires_force_stop; > > @@ -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_item, NULL, NULL); > if (ret) > goto free_rproc; > > @@ -1085,7 +1087,7 @@ static void q6v5_wcss_remove(struct platform_device *pdev) > > static const struct wcss_data wcss_ipq8074_res_init = { > .firmware_name = "IPQ8074/q6_fw.mdt", > - .crash_reason_smem = WCSS_CRASH_REASON, > + .crash_reason_item = WCSS_CRASH_REASON, > .aon_reset_required = true, > .wcss_q6_reset_required = true, > .ops = &q6v5_wcss_ipq8074_ops, > @@ -1093,7 +1095,7 @@ static const struct wcss_data wcss_ipq8074_res_init = { > }; > > static const struct wcss_data wcss_qcs404_res_init = { > - .crash_reason_smem = WCSS_CRASH_REASON, > + .crash_reason_item = WCSS_CRASH_REASON, > .firmware_name = "wcnss.mdt", > .version = WCSS_QCS404, > .aon_reset_required = false, > -- > 2.41.0 >