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Groups > linux.kernel > #1499840

[PATCH v3 13/20] remoteproc: core: Add vdev support to resource amending function

From Loic Pallardy <loic.pallardy@st.com>
Newsgroups linux.kernel
Subject [PATCH v3 13/20] remoteproc: core: Add vdev support to resource amending function
Date 2016-10-12 19:30 +0200
Message-ID <srvvQ-7sZ-15@gated-at.bofh.it> (permalink)
References <srugp-6Lr-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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This patch offers the capability to amend existing RSC_VDEV resource
in an existing resource table.

Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
---
 drivers/remoteproc/remoteproc_core.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 4297ee7..26fc647 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -985,6 +985,7 @@ static int rproc_update_resource_table_entry(struct rproc *rproc,
 	struct fw_rsc_carveout *tblc, *newc;
 	struct fw_rsc_devmem *tbld, *newd;
 	struct fw_rsc_trace *tblt, *newt;
+	struct fw_rsc_vdev *tblv, *newv;
 	int updated = true;
 	int i;
 
@@ -1029,6 +1030,20 @@ static int rproc_update_resource_table_entry(struct rproc *rproc,
 			memcpy(tblt, newt, request->size);
 
 			return updated;
+		case RSC_VDEV:
+			tblv = rsc;
+			newv = request->resource;
+			if (newv->id != tblv->id)
+				break;
+
+			if (request->size > (sizeof(*tblv) +
+				    tblv->num_of_vrings * sizeof(struct fw_rsc_vdev_vring) +
+				    tblv->config_len))
+				return -ENOSPC;
+
+			memcpy(tblv, newv, request->size);
+
+			return updated;
 		default:
 			dev_err(&rproc->dev,
 				"Unsupported resource type: %d\n",
-- 
1.9.1

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Thread

[PATCH v3 00/20] remoteproc: Allow platform-specific drivers to request resources Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 18:10 +0200
  [PATCH v3 03/20] remoteproc: core: Add function to amend an existing resource table entry Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 18:10 +0200
  [PATCH v3 04/20] remoteproc: core: Add function to append a new resource table entry Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 18:10 +0200
  [PATCH v3 02/20] remoteproc: core: Add function to dump resource table Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 18:10 +0200
    Re: [PATCH v3 02/20] remoteproc: core: Add function to dump resource  table Matt Redfearn <matt.redfearn@imgtec.com> - 2016-10-14 10:40 +0200
      Re: [PATCH v3 02/20] remoteproc: core: Add function to dump resource  table loic pallardy <loic.pallardy@st.com> - 2016-10-17 18:30 +0200
  [PATCH v3 09/20] remoteproc: core: Unify rproc_dump_resource_table debug messages Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 18:30 +0200
  [PATCH v3 10/20] remoteproc: core: Call rproc_dump_resource_table only if debug is activated Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 18:30 +0200
  [PATCH v3 08/20] remoteproc: core: Complete VDEV support in rproc_dump_resource_table function Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 18:30 +0200
  [PATCH v3 15/20] remoteproc: core: Append resource only if .resource_table section is large enough Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 19:00 +0200
  [PATCH v3 14/20] remoteproc: core: Add force mode to resource amending function Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 19:00 +0200
  [PATCH v3 12/20] remoteproc: core: Add function to verify an existing resource in rsc table Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 19:00 +0200
  [PATCH v3 11/20] remoteproc: core: Correction carveout name comparison in rproc_update_resource_table_entry Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 19:00 +0200
  [PATCH v3 06/20] remoteproc: core: Associate action to resource request Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 19:10 +0200
  [PATCH v3 13/20] remoteproc: core: Add vdev support to resource amending function Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 19:30 +0200
  [PATCH v3 05/20] remoteproc: core: Add function to over-ride current resource table Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 19:30 +0200
  [PATCH v3 19/20] remotecore: core: Add resource table pointer argument to rproc_handle_resource Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 19:40 +0200
  [PATCH v3 18/20] remoteproc: core: Clean-up resource table sanity checks Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 19:50 +0200
  [PATCH v3 16/20] remoteproc: core: Add resource request action support Loic Pallardy <loic.pallardy@st.com> - 2016-10-12 20:00 +0200

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