From: Loic Pallardy <loic.pallardy@st.com>
To: <bjorn.andersson@linaro.org>, <ohad@wizery.com>, <lee.jones@linaro.org>
Cc: <loic.pallardy@st.com>, <linux-remoteproc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <kernel@stlinux.com>
Subject: [PATCH v2 01/19] remoteproc: core: New API to add new resources to the resource table
Date: Wed, 31 Aug 2016 22:50:04 +0200 [thread overview]
Message-ID: <1472676622-32533-2-git-send-email-loic.pallardy@st.com> (raw)
In-Reply-To: <1472676622-32533-1-git-send-email-loic.pallardy@st.com>
From: Lee Jones <lee.jones@linaro.org>
In order to amend or add a new resource table entry we need a method
for a platform-specific to submit them. rproc_request_resource() is a
new public API which provides this functionality.
It is to be called between rproc_alloc() and rproc_add().
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
---
drivers/remoteproc/remoteproc_core.c | 40 ++++++++++++++++++++++++++++++++++++
include/linux/remoteproc.h | 21 +++++++++++++++++++
2 files changed, 61 insertions(+)
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 18f4286..fb2d2a0 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -791,6 +791,45 @@ static void rproc_resource_cleanup(struct rproc *rproc)
rproc_remove_virtio_dev(rvdev);
}
+int rproc_request_resource(struct rproc *rproc, u32 type, void *resource)
+{
+ struct device *dev = &rproc->dev;
+ struct rproc_request_resource *request;
+ int size;
+
+ request = devm_kzalloc(dev, sizeof(*request), GFP_KERNEL);
+ if (!request)
+ return -ENOMEM;
+
+ switch (type) {
+ case RSC_CARVEOUT:
+ size = sizeof(struct fw_rsc_carveout);
+ break;
+ case RSC_DEVMEM:
+ size = sizeof(struct fw_rsc_devmem);
+ break;
+ case RSC_TRACE:
+ size = sizeof(struct fw_rsc_trace);
+ break;
+ default:
+ dev_err(dev, "Unsupported resource type: %d\n", type);
+ return -EINVAL;
+ }
+
+ request->resource = devm_kzalloc(dev, size, GFP_KERNEL);
+ if (!request->resource)
+ return -ENOMEM;
+
+ memcpy(request->resource, resource, size);
+ request->type = type;
+ request->size = size;
+
+ list_add_tail(&request->node, &rproc->override_resources);
+
+ return 0;
+}
+EXPORT_SYMBOL(rproc_request_resource);
+
/*
* take a firmware and boot a remote processor with it.
*/
@@ -1387,6 +1426,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
INIT_LIST_HEAD(&rproc->mappings);
INIT_LIST_HEAD(&rproc->traces);
INIT_LIST_HEAD(&rproc->rvdevs);
+ INIT_LIST_HEAD(&rproc->override_resources);
INIT_WORK(&rproc->crash_handler, rproc_crash_handler_work);
init_completion(&rproc->crash_comp);
diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index d488f9e..d0c0793 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -323,6 +323,25 @@ struct rproc_mem_entry {
struct list_head node;
};
+/**
+ * struct rproc_requested_resources - add a resource to the resource table
+ *
+ * @resource: pointer to a 'struct fw_rsc_*' resource
+ * @type: 'fw_resource_type' resource type
+ * @size: size of resource
+ * @node: list node
+ *
+ * Resources can be added by platform-specific rproc drivers calling
+ * rproc_request_resource()
+ *
+ */
+struct rproc_request_resource {
+ void *resource;
+ u32 type;
+ u32 size;
+ struct list_head node;
+};
+
struct rproc;
/**
@@ -428,6 +447,7 @@ struct rproc {
int num_traces;
struct list_head carveouts;
struct list_head mappings;
+ struct list_head override_resources;
struct completion firmware_loading_complete;
u32 bootaddr;
struct list_head rvdevs;
@@ -486,6 +506,7 @@ struct rproc_vdev {
u32 rsc_offset;
};
+int rproc_request_resource(struct rproc *rproc, u32 type, void *res);
struct rproc *rproc_get_by_phandle(phandle phandle);
struct rproc *rproc_alloc(struct device *dev, const char *name,
const struct rproc_ops *ops,
--
1.9.1
next prev parent reply other threads:[~2016-08-31 20:50 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-31 20:50 [PATCH v2 00/19] remoteproc: Allow platform-specific drivers to request resources Loic Pallardy
2016-08-31 20:50 ` Loic Pallardy [this message]
2016-08-31 20:50 ` [PATCH v2 02/19] remoteproc: core: Add function to dump resource table Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 03/19] remoteproc: core: Add function to amend an existing resource table entry Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 04/19] remoteproc: core: Add function to append a new " Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 05/19] remoteproc: core: Add function to over-ride current resource table Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 06/19] remoteproc: core: Add explicit message error if cached table failed Loic Pallardy
2016-09-01 7:09 ` Lee Jones
2016-09-08 9:40 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 07/19] remoteproc: Add new resource type for resource table spare bytes Loic Pallardy
2016-09-15 17:54 ` Bjorn Andersson
2016-09-16 9:02 ` loic pallardy
2016-09-16 17:12 ` Bjorn Andersson
2016-09-19 7:50 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 08/19] remoteproc: core: Associate action to resource request Loic Pallardy
2016-09-01 7:23 ` Lee Jones
2016-09-08 9:43 ` loic pallardy
2016-09-08 11:03 ` Lee Jones
2016-08-31 20:50 ` [PATCH v2 09/19] remoteproc: core: Finalize dump resource table function Loic Pallardy
2016-09-08 8:26 ` Lee Jones
2016-09-08 9:46 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 10/19] remoteproc: core: Add function to verify an existing resource in rsc table Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 11/19] remoteproc: core: Add function to get resource table spare bytes information Loic Pallardy
2016-09-08 8:32 ` Lee Jones
2016-09-08 9:47 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 12/19] remoteproc: core: Add vdev support and force mode to resource amending function Loic Pallardy
2016-09-08 8:48 ` Lee Jones
2016-09-08 9:49 ` loic pallardy
2016-09-08 11:02 ` Lee Jones
2016-09-08 13:11 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 13/19] remoteproc: core: Append resource only if spare resource present Loic Pallardy
2016-09-08 9:33 ` Lee Jones
2016-09-08 9:54 ` loic pallardy
2016-09-08 11:00 ` Lee Jones
2016-08-31 20:50 ` [PATCH v2 14/19] remoteproc: core: Add resource request action support Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 15/19] remoteproc: core: Add function to verify resource table consistency Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 16/19] remoteproc: core: Clean-up resource table sanity checks Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 17/19] remotecore: core: Add resource table pointer argument to rproc_handle_resource Loic Pallardy
2016-08-31 20:50 ` [PATCH v2 18/19] remoteproc: core: Add function to create remoteproc local resource table Loic Pallardy
2016-09-08 10:20 ` Lee Jones
2016-09-08 13:15 ` loic pallardy
2016-09-15 18:58 ` Bjorn Andersson
2016-09-19 7:46 ` loic pallardy
2016-08-31 20:50 ` [PATCH v2 19/19] remoteproc: core: Support empty resource tables Loic Pallardy
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