Merge "msm: ADSPRPC: Enable ram dumps collection" (d3d1ea7c) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/char/adsprpc.c

+25 −9

Original line number	Diff line number	Diff line
		@@ -394,6 +394,8 @@ struct fastrpc_apps {
		struct wakeup_source *wake_source;
		struct qos_cores silvercores;
		uint32_t max_size_limit;
		void *ramdump_handle;
		bool enable_ramdump;
		};

		struct fastrpc_mmap {
		@@ -3178,7 +3180,7 @@ static int fastrpc_mmap_remove_ssr(struct fastrpc_file *fl)
		match->size, match->flags);
		if (err)
		goto bail;
		if (me->channel[RH_CID].ramdumpenabled) {
		if (me->ramdump_handle && me->enable_ramdump) {
		ramdump_segments_rh = kcalloc(1,
		sizeof(struct ramdump_segment), GFP_KERNEL);
		if (ramdump_segments_rh) {
		@@ -3186,7 +3188,7 @@ static int fastrpc_mmap_remove_ssr(struct fastrpc_file *fl)
		match->phys;
		ramdump_segments_rh->size = match->size;
		ret = do_elf_ramdump(
		me->channel[RH_CID].rh_dump_dev,
		me->ramdump_handle,
		ramdump_segments_rh, 1);
		if (ret < 0)
		pr_err("adsprpc: %s: unable to dump heap (err %d)\n",
		@@ -3197,6 +3199,7 @@ static int fastrpc_mmap_remove_ssr(struct fastrpc_file *fl)
		fastrpc_mmap_free(match, 0);
		}
		} while (match);
		me->enable_ramdump = false;
		bail:
		if (err && match)
		fastrpc_mmap_add(match);
		@@ -4570,13 +4573,19 @@ static int fastrpc_restart_notifier_cb(struct notifier_block *nb,
		mutex_unlock(&me->channel[cid].smd_mutex);
		} else if (code == SUBSYS_RAMDUMP_NOTIFICATION) {
		if (cid == RH_CID) {
		if (me->channel[RH_CID].rh_dump_dev &&
		notifdata->enable_ramdump) {
		if (me->ramdump_handle)
		me->channel[RH_CID].ramdumpenabled = 1;
		}
		}
		pr_info("adsprpc: %s: received RAMDUMP notification for %s\n",
		__func__, gcinfo[cid].subsys);
		} else if (code == SUBSYS_BEFORE_POWERUP) {
		if (cid == RH_CID && notifdata->enable_ramdump) {
		if (me->ramdump_handle && me->channel[RH_CID]
		.ramdumpenabled) {
		me->enable_ramdump = true;
		me->channel[RH_CID].ramdumpenabled = 0;
		}
		}
		} else if (code == SUBSYS_AFTER_POWERUP) {
		pr_info("adsprpc: %s: %s subsystem is up\n",
		__func__, gcinfo[cid].subsys);
		@@ -4608,14 +4617,19 @@ static int fastrpc_pdr_notifier_cb(struct notifier_block *pdrnb,
		fastrpc_notify_pdr_drivers(me, spd->servloc_name);
		} else if (code == SUBSYS_RAMDUMP_NOTIFICATION) {
		if (spd->cid == RH_CID) {
		if (me->channel[RH_CID].rh_dump_dev &&
		notifdata->enable_ramdump) {
		if (spd->cid == RH_CID && me->ramdump_handle)
		me->channel[RH_CID].ramdumpenabled = 1;
		}
		}
		pr_info("adsprpc: %s: received %s RAMDUMP notification for %s (%s)\n",
		__func__, gcinfo[spd->cid].subsys,
		spd->spdname, spd->servloc_name);
		} else if (code == SUBSYS_BEFORE_POWERUP) {
		if (spd->cid == RH_CID && notifdata->enable_ramdump) {
		if (me->ramdump_handle && me->channel[RH_CID]
		.ramdumpenabled)
		me->enable_ramdump = true;
		me->channel[RH_CID].ramdumpenabled = 0;
		}
		} else if (code == SERVREG_NOTIF_SERVICE_STATE_UP_V01) {
		pr_info("adsprpc: %s: %s (%s) is up on %s\n",
		__func__, spd->spdname, spd->servloc_name,
		@@ -4974,6 +4988,8 @@ static int fastrpc_probe(struct platform_device *pdev)
		me->range.addr = range.addr;
		me->range.size = range.size;
		}
		me->ramdump_handle = create_ramdump_device("adsp_rh",
		&pdev->dev);
		return 0;
		}
		me->legacy_remote_heap = of_property_read_bool(dev->of_node,