Merge v7.2.6linux-rolling-stable

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

10 files changed, 181 insertions, 32 deletions

diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c
index e1a955476c9b..5294e327f158 100644
--- a/drivers/remoteproc/qcom_common.c
+++ b/drivers/remoteproc/qcom_common.c
@@ -253,8 +253,10 @@ void qcom_add_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink,
 		return;
 
 	glink->ssr_name = kstrdup_const(ssr_name, GFP_KERNEL);
-	if (!glink->ssr_name)
+	if (!glink->ssr_name) {
+		of_node_put(glink->node);
 		return;
+	}
 
 	glink->dev = dev;
 	glink->subdev.start = glink_subdev_start;
diff --git a/drivers/remoteproc/qcom_common.h b/drivers/remoteproc/qcom_common.h
index b07fbaa091a0..b0e7e336d363 100644
--- a/drivers/remoteproc/qcom_common.h
+++ b/drivers/remoteproc/qcom_common.h
@@ -68,6 +68,7 @@ struct qcom_sysmon *qcom_add_sysmon_subdev(struct rproc *rproc,
 					   int ssctl_instance);
 void qcom_remove_sysmon_subdev(struct qcom_sysmon *sysmon);
 bool qcom_sysmon_shutdown_acked(struct qcom_sysmon *sysmon);
+bool qcom_sysmon_shutdown_irq_state(struct qcom_sysmon *sysmon);
 #else
 static inline struct qcom_sysmon *qcom_add_sysmon_subdev(struct rproc *rproc,
 							 const char *name,
@@ -84,6 +85,11 @@ static inline bool qcom_sysmon_shutdown_acked(struct qcom_sysmon *sysmon)
 {
 	return false;
 }
+
+static inline bool qcom_sysmon_shutdown_irq_state(struct qcom_sysmon *sysmon)
+{
+	return false;
+}
 #endif
 
 #endif
diff --git a/drivers/remoteproc/qcom_q6v5.c b/drivers/remoteproc/qcom_q6v5.c
index 58d5b85e58cd..241478ea2978 100644
--- a/drivers/remoteproc/qcom_q6v5.c
+++ b/drivers/remoteproc/qcom_q6v5.c
@@ -197,12 +197,13 @@ static irqreturn_t q6v5_stop_interrupt(int irq, void *data)
  */
 int qcom_q6v5_request_stop(struct qcom_q6v5 *q6v5, struct qcom_sysmon *sysmon)
 {
+	bool was_running = q6v5->running;
 	int ret;
 
 	q6v5->running = false;
 
-	/* Don't perform SMP2P dance if remote isn't running */
-	if (q6v5->rproc->state != RPROC_RUNNING || qcom_sysmon_shutdown_acked(sysmon))
+	/* A watchdog/fatal IRQ clears running; logical crashes still need a stop. */
+	if (!was_running || qcom_sysmon_shutdown_acked(sysmon))
 		return 0;
 
 	qcom_smem_state_update_bits(q6v5->state,
diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c
index b5c8d6d38c9c..c81e6c33c747 100644
--- a/drivers/remoteproc/qcom_q6v5_adsp.c
+++ b/drivers/remoteproc/qcom_q6v5_adsp.c
@@ -355,6 +355,7 @@ static int adsp_map_carveout(struct rproc *rproc)
 		return ret;
 
 	sid = args.args[0] & SID_MASK_DEFAULT;
+	of_node_put(args.np);
 
 	/* Add SID configuration for ADSP Firmware to SMMU */
 	iova =  adsp->mem_phys | (sid << 32);
diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
index ae78f5c7c1b6..eb14308e7aef 100644
--- a/drivers/remoteproc/qcom_q6v5_mss.c
+++ b/drivers/remoteproc/qcom_q6v5_mss.c
@@ -162,6 +162,7 @@ struct rproc_hexagon_res {
 	char **active_clk_names;
 	char **proxy_pd_names;
 	int version;
+	int ssctl_id;
 	bool need_mem_protection;
 	bool need_pas_mem_setup;
 	bool has_alt_reset;
@@ -2191,7 +2192,7 @@ static int q6v5_probe(struct platform_device *pdev)
 	qcom_add_smd_subdev(rproc, &qproc->smd_subdev);
 	qcom_add_pdm_subdev(rproc, &qproc->pdm_subdev);
 	qcom_add_ssr_subdev(rproc, &qproc->ssr_subdev, "mpss");
-	qproc->sysmon = qcom_add_sysmon_subdev(rproc, "modem", 0x12);
+	qproc->sysmon = qcom_add_sysmon_subdev(rproc, "modem", desc->ssctl_id);
 	if (IS_ERR(qproc->sysmon)) {
 		ret = PTR_ERR(qproc->sysmon);
 		goto remove_subdevs;
@@ -2271,6 +2272,7 @@ static const struct rproc_hexagon_res sc7180_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_SC7180,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res sc7280_mss = {
@@ -2301,6 +2303,7 @@ static const struct rproc_hexagon_res sc7280_mss = {
 	.has_ext_cntl_regs = true,
 	.has_vq6 = true,
 	.version = MSS_SC7280,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res sdm660_mss = {
@@ -2334,6 +2337,7 @@ static const struct rproc_hexagon_res sdm660_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_SDM660,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res sdm845_mss = {
@@ -2371,6 +2375,7 @@ static const struct rproc_hexagon_res sdm845_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_SDM845,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res msm8998_mss = {
@@ -2404,6 +2409,7 @@ static const struct rproc_hexagon_res msm8998_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8998,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res msm8996_mss = {
@@ -2444,6 +2450,7 @@ static const struct rproc_hexagon_res msm8996_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8996,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res mdm9607_mss = {
@@ -2479,6 +2486,7 @@ static const struct rproc_hexagon_res mdm9607_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MDM9607,
+	.ssctl_id = 0x22,
 };
 
 static const struct rproc_hexagon_res msm8909_mss = {
@@ -2515,6 +2523,7 @@ static const struct rproc_hexagon_res msm8909_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8909,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res msm8916_mss = {
@@ -2562,6 +2571,7 @@ static const struct rproc_hexagon_res msm8916_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8916,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res msm8917_mss = {
@@ -2606,6 +2616,7 @@ static const struct rproc_hexagon_res msm8917_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8917,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res msm8937_mss = {
@@ -2650,6 +2661,7 @@ static const struct rproc_hexagon_res msm8937_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8937,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res msm8940_mss = {
@@ -2694,6 +2706,7 @@ static const struct rproc_hexagon_res msm8940_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8940,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res msm8953_mss = {
@@ -2731,6 +2744,7 @@ static const struct rproc_hexagon_res msm8953_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8953,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res msm8974_mss = {
@@ -2785,6 +2799,7 @@ static const struct rproc_hexagon_res msm8974_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8974,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res msm8226_mss = {
@@ -2824,6 +2839,7 @@ static const struct rproc_hexagon_res msm8226_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8226,
+	.ssctl_id = 0x12,
 };
 
 static const struct rproc_hexagon_res msm8926_mss = {
@@ -2871,6 +2887,7 @@ static const struct rproc_hexagon_res msm8926_mss = {
 	.has_ext_cntl_regs = false,
 	.has_vq6 = false,
 	.version = MSS_MSM8926,
+	.ssctl_id = 0x12,
 };
 
 static const struct of_device_id q6v5_of_match[] = {
diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
index 7ab896952822..cb3e51d6f7ce 100644
--- a/drivers/remoteproc/qcom_q6v5_pas.c
+++ b/drivers/remoteproc/qcom_q6v5_pas.c
@@ -60,6 +60,7 @@ struct qcom_pas_data {
 	int region_assign_count;
 	bool region_assign_shared;
 	int region_assign_vmid;
+	bool early_boot;
 };
 
 struct qcom_pas {
@@ -504,6 +505,67 @@ static unsigned long qcom_pas_panic(struct rproc *rproc)
 	return qcom_q6v5_panic(&pas->q6v5);
 }
 
+static int qcom_pas_attach(struct rproc *rproc)
+{
+	struct qcom_pas *pas = rproc->priv;
+	bool ready_state;
+	bool crash_state;
+	bool stop_state;
+	int ret;
+
+	pas->q6v5.handover_issued = true;
+	enable_irq(pas->q6v5.handover_irq);
+
+	pas->q6v5.running = true;
+	ret = irq_get_irqchip_state(pas->q6v5.fatal_irq,
+				    IRQCHIP_STATE_LINE_LEVEL, &crash_state);
+	if (ret)
+		goto disable_running;
+
+	if (crash_state) {
+		dev_err(pas->dev, "Subsystem has crashed before driver probe\n");
+		rproc_report_crash(rproc, RPROC_FATAL_ERROR);
+		ret = -EINVAL;
+		goto disable_running;
+	}
+
+	ret = irq_get_irqchip_state(pas->q6v5.stop_irq,
+				    IRQCHIP_STATE_LINE_LEVEL, &stop_state);
+	if (ret)
+		goto disable_running;
+
+	if (stop_state || qcom_sysmon_shutdown_irq_state(pas->sysmon)) {
+		dev_info(pas->dev, "Subsystem found stop state set. Falling back to start.\n");
+		goto unroll_attach;
+	}
+
+	ret = irq_get_irqchip_state(pas->q6v5.ready_irq,
+				    IRQCHIP_STATE_LINE_LEVEL, &ready_state);
+	if (ret)
+		goto disable_running;
+
+	if (unlikely(!ready_state)) {
+		/*
+		 * The bootloader may not support early boot, mark the state as
+		 * RPROC_OFFLINE so that the PAS driver can load the firmware and
+		 * start the remoteproc.
+		 */
+		dev_err(pas->dev, "Failed to get subsystem ready interrupt\n");
+		goto unroll_attach;
+	}
+
+	return 0;
+
+unroll_attach:
+	pas->rproc->state = RPROC_OFFLINE;
+	ret = -EINVAL;
+disable_running:
+	disable_irq(pas->q6v5.handover_irq);
+	pas->q6v5.running = false;
+
+	return ret;
+}
+
 static const struct rproc_ops qcom_pas_ops = {
 	.unprepare = qcom_pas_unprepare,
 	.start = qcom_pas_start,
@@ -512,6 +574,7 @@ static const struct rproc_ops qcom_pas_ops = {
 	.parse_fw = qcom_pas_parse_firmware,
 	.load = qcom_pas_load,
 	.panic = qcom_pas_panic,
+	.attach = qcom_pas_attach,
 };
 
 static const struct rproc_ops qcom_pas_minidump_ops = {
@@ -523,6 +586,7 @@ static const struct rproc_ops qcom_pas_minidump_ops = {
 	.load = qcom_pas_load,
 	.panic = qcom_pas_panic,
 	.coredump = qcom_pas_minidump,
+	.attach = qcom_pas_attach,
 };
 
 static int qcom_pas_init_clock(struct qcom_pas *pas)
@@ -849,6 +913,10 @@ static int qcom_pas_probe(struct platform_device *pdev)
 
 	pas->pas_ctx->use_tzmem = rproc->has_iommu;
 	pas->dtb_pas_ctx->use_tzmem = rproc->has_iommu;
+
+	if (desc->early_boot)
+		pas->rproc->state = RPROC_DETACHED;
+
 	ret = rproc_add(rproc);
 	if (ret)
 		goto remove_ssr_sysmon;
diff --git a/drivers/remoteproc/qcom_sysmon.c b/drivers/remoteproc/qcom_sysmon.c
index 913e3b750a86..a0830a48b1f4 100644
--- a/drivers/remoteproc/qcom_sysmon.c
+++ b/drivers/remoteproc/qcom_sysmon.c
@@ -736,6 +736,25 @@ bool qcom_sysmon_shutdown_acked(struct qcom_sysmon *sysmon)
 }
 EXPORT_SYMBOL_GPL(qcom_sysmon_shutdown_acked);
 
+bool qcom_sysmon_shutdown_irq_state(struct qcom_sysmon *sysmon)
+{
+	bool shutdown_state;
+	int ret;
+
+	if (!sysmon)
+		return false;
+
+	ret = irq_get_irqchip_state(sysmon->shutdown_irq,
+				    IRQCHIP_STATE_LINE_LEVEL, &shutdown_state);
+	if (ret) {
+		dev_warn(sysmon->dev, "failed to get shutdown_state: %d\n", ret);
+		return false;
+	}
+
+	return shutdown_state;
+}
+EXPORT_SYMBOL_GPL(qcom_sysmon_shutdown_irq_state);
+
 /**
  * sysmon_probe() - probe sys_mon channel
  * @rpdev:	rpmsg device handle
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
index 4add9037dbd5..5e4a623b8925 100644
--- a/drivers/remoteproc/qcom_wcnss.c
+++ b/drivers/remoteproc/qcom_wcnss.c
@@ -441,25 +441,31 @@ static void wcnss_release_pds(struct qcom_wcnss *wcnss)
 }
 
 static int wcnss_init_regulators(struct qcom_wcnss *wcnss,
-				 const struct wcnss_vreg_info *info,
-				 int num_vregs, int num_pd_vregs)
+				 const struct wcnss_data *data)
 {
+	const struct wcnss_vreg_info *info = data->vregs;
 	struct regulator_bulk_data *bulk;
+	size_t i, possible_pds = 0, num_vregs = data->num_vregs;
 	int ret;
-	int i;
+
+	for (i = 0; i < WCNSS_MAX_PDS; i++)
+		if (data->pd_names[i])
+			possible_pds++;
 
 	/*
 	 * If attaching the power domains suceeded we can skip requesting
 	 * the regulators for the power domains. For old device trees we need to
 	 * reserve extra space to manage them through the regulator interface.
 	 */
-	if (wcnss->num_pds) {
+	if (possible_pds >= num_vregs) {
+		/* Do nothing if vregs do not include PD regulators (pronto-v3) */
+	} else if (wcnss->num_pds) {
 		info += wcnss->num_pds;
 		/* Handle single power domain case */
-		if (wcnss->num_pds < num_pd_vregs)
-			num_vregs += num_pd_vregs - wcnss->num_pds;
+		if (wcnss->num_pds < data->num_pd_vregs)
+			num_vregs += data->num_pd_vregs - wcnss->num_pds;
 	} else {
-		num_vregs += num_pd_vregs;
+		num_vregs += data->num_pd_vregs;
 	}
 
 	bulk = devm_kcalloc(wcnss->dev,
@@ -607,8 +613,7 @@ static int wcnss_probe(struct platform_device *pdev)
 	if (ret && (ret != -ENODATA || !data->num_pd_vregs))
 		return ret;
 
-	ret = wcnss_init_regulators(wcnss, data->vregs, data->num_vregs,
-				    data->num_pd_vregs);
+	ret = wcnss_init_regulators(wcnss, data);
 	if (ret)
 		goto detach_pds;
 
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index f003be006b1b..527996e8ecda 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -1668,18 +1668,21 @@ static void rproc_auto_boot_callback(const struct firmware *fw, void *context)
 	release_firmware(fw);
 }
 
+static void rproc_attach_work(struct work_struct *work)
+{
+	struct rproc *rproc = container_of(work, struct rproc, attach_work);
+
+	rproc_boot(rproc);
+}
+
 static int rproc_trigger_auto_boot(struct rproc *rproc)
 {
 	int ret;
 
-	/*
-	 * Since the remote processor is in a detached state, it has already
-	 * been booted by another entity.  As such there is no point in waiting
-	 * for a firmware image to be loaded, we can simply initiate the process
-	 * of attaching to it immediately.
-	 */
-	if (rproc->state == RPROC_DETACHED)
-		return rproc_boot(rproc);
+	if (rproc->state == RPROC_DETACHED) {
+		schedule_work(&rproc->attach_work);
+		return 0;
+	}
 
 	/*
 	 * We're initiating an asynchronous firmware loading, so we can
@@ -1828,6 +1831,11 @@ int rproc_trigger_recovery(struct rproc *rproc)
 	if (ret)
 		return ret;
 
+	if (READ_ONCE(rproc->deleting)) {
+		ret = -ENODEV;
+		goto unlock_mutex;
+	}
+
 	/* State could have changed before we got the mutex */
 	if (rproc->state != RPROC_CRASHED)
 		goto unlock_mutex;
@@ -1860,6 +1868,11 @@ static void rproc_crash_handler_work(struct work_struct *work)
 
 	mutex_lock(&rproc->lock);
 
+	if (READ_ONCE(rproc->deleting)) {
+		mutex_unlock(&rproc->lock);
+		goto out;
+	}
+
 	if (rproc->state == RPROC_CRASHED) {
 		/* handle only the first crash detected */
 		mutex_unlock(&rproc->lock);
@@ -1915,9 +1928,9 @@ int rproc_boot(struct rproc *rproc)
 		return ret;
 	}
 
-	if (rproc->state == RPROC_DELETED) {
+	if (READ_ONCE(rproc->deleting)) {
 		ret = -ENODEV;
-		dev_err(dev, "can't boot deleted rproc %s\n", rproc->name);
+		dev_err(dev, "can't boot deleting rproc %s\n", rproc->name);
 		goto unlock_mutex;
 	}
 
@@ -1979,6 +1992,7 @@ EXPORT_SYMBOL(rproc_boot);
 int rproc_shutdown(struct rproc *rproc)
 {
 	struct device *dev = &rproc->dev;
+	bool crashed;
 	int ret;
 
 	ret = mutex_lock_interruptible(&rproc->lock);
@@ -1988,16 +2002,18 @@ int rproc_shutdown(struct rproc *rproc)
 	}
 
 	if (rproc->state != RPROC_RUNNING &&
-	    rproc->state != RPROC_ATTACHED) {
+	    rproc->state != RPROC_ATTACHED &&
+	    rproc->state != RPROC_CRASHED) {
 		ret = -EINVAL;
 		goto out;
 	}
+	crashed = rproc->state == RPROC_CRASHED;
 
 	/* if the remote proc is still needed, bail out */
 	if (!atomic_dec_and_test(&rproc->power))
 		goto out;
 
-	ret = rproc_stop(rproc, false);
+	ret = rproc_stop(rproc, crashed);
 	if (ret) {
 		atomic_inc(&rproc->power);
 		goto out;
@@ -2506,7 +2522,9 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
 	INIT_LIST_HEAD(&rproc->subdevs);
 	INIT_LIST_HEAD(&rproc->dump_segments);
 
+	INIT_WORK(&rproc->attach_work, rproc_attach_work);
 	INIT_WORK(&rproc->crash_handler, rproc_crash_handler_work);
+	spin_lock_init(&rproc->crash_handler_lock);
 
 	rproc->state = RPROC_OFFLINE;
 
@@ -2570,16 +2588,21 @@ EXPORT_SYMBOL(rproc_put);
  */
 int rproc_del(struct rproc *rproc)
 {
+	unsigned long flags;
+
 	if (!rproc)
 		return -EINVAL;
 
+	spin_lock_irqsave(&rproc->crash_handler_lock, flags);
+	WRITE_ONCE(rproc->deleting, true);
+	spin_unlock_irqrestore(&rproc->crash_handler_lock, flags);
+
+	if (cancel_work_sync(&rproc->crash_handler))
+		pm_relax(rproc->dev.parent);
+
 	/* TODO: make sure this works with rproc->power > 1 */
 	rproc_shutdown(rproc);
 
-	mutex_lock(&rproc->lock);
-	rproc->state = RPROC_DELETED;
-	mutex_unlock(&rproc->lock);
-
 	rproc_delete_debug_dir(rproc);
 
 	/* the rproc is downref'ed as soon as it's removed from the klist */
@@ -2691,18 +2714,26 @@ EXPORT_SYMBOL(rproc_get_by_child);
  */
 void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type)
 {
+	unsigned long flags;
+
 	if (!rproc) {
 		pr_err("NULL rproc pointer\n");
 		return;
 	}
 
+	spin_lock_irqsave(&rproc->crash_handler_lock, flags);
+	if (READ_ONCE(rproc->deleting)) {
+		spin_unlock_irqrestore(&rproc->crash_handler_lock, flags);
+		return;
+	}
+
 	/* Prevent suspend while the remoteproc is being recovered */
 	pm_stay_awake(rproc->dev.parent);
+	queue_work(rproc_recovery_wq, &rproc->crash_handler);
+	spin_unlock_irqrestore(&rproc->crash_handler_lock, flags);
 
 	dev_err(&rproc->dev, "crash detected in %s: type %s\n",
 		rproc->name, rproc_crash_to_string(type));
-
-	queue_work(rproc_recovery_wq, &rproc->crash_handler);
 }
 EXPORT_SYMBOL(rproc_report_crash);
 
diff --git a/drivers/remoteproc/remoteproc_sysfs.c b/drivers/remoteproc/remoteproc_sysfs.c
index 138e752c5e4e..925b0cdbe577 100644
--- a/drivers/remoteproc/remoteproc_sysfs.c
+++ b/drivers/remoteproc/remoteproc_sysfs.c
@@ -168,7 +168,6 @@ static const char * const rproc_state_string[] = {
 	[RPROC_SUSPENDED]	= "suspended",
 	[RPROC_RUNNING]		= "running",
 	[RPROC_CRASHED]		= "crashed",
-	[RPROC_DELETED]		= "deleted",
 	[RPROC_ATTACHED]	= "attached",
 	[RPROC_DETACHED]	= "detached",
 	[RPROC_LAST]		= "invalid",