From patchwork Wed Aug 31 20:50:05 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Loic Pallardy X-Patchwork-Id: 75113 Delivered-To: patch@linaro.org Received: by 10.140.29.52 with SMTP id a49csp532304qga; Wed, 31 Aug 2016 13:51:15 -0700 (PDT) X-Received: by 10.66.123.42 with SMTP id lx10mr20218938pab.95.1472676673562; Wed, 31 Aug 2016 13:51:13 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id gc14si1486608pac.142.2016.08.31.13.51.13; Wed, 31 Aug 2016 13:51:13 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760488AbcHaUu6 (ORCPT + 27 others); Wed, 31 Aug 2016 16:50:58 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:59499 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1760110AbcHaUuz (ORCPT ); Wed, 31 Aug 2016 16:50:55 -0400 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u7VKnYcm015781; Wed, 31 Aug 2016 22:50:52 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-.pphosted.com with ESMTP id 255btkb8ce-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 31 Aug 2016 22:50:52 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 3945231; Wed, 31 Aug 2016 20:50:51 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas23.st.com [10.75.90.46]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id EAF6050E5; Wed, 31 Aug 2016 20:50:50 +0000 (GMT) Received: from localhost (10.129.5.21) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.279.2; Wed, 31 Aug 2016 22:50:50 +0200 From: Loic Pallardy To: , , CC: , , , Subject: [PATCH v2 02/19] remoteproc: core: Add function to dump resource table Date: Wed, 31 Aug 2016 22:50:05 +0200 Message-ID: <1472676622-32533-3-git-send-email-loic.pallardy@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1472676622-32533-1-git-send-email-loic.pallardy@st.com> References: <1472676622-32533-1-git-send-email-loic.pallardy@st.com> MIME-Version: 1.0 X-Originating-IP: [10.129.5.21] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-08-31_04:, , signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lee Jones Firmware can be loaded with a resource table, which details resources needed by coprocessor like carevout memory, virtual device, trace log buffer etc. Until now, no method exists to display resource table content. This function adds the capability to display the different resources associated to a firmware if DEBUG is enabled. Signed-off-by: Lee Jones Signed-off-by: Loic Pallardy --- drivers/remoteproc/remoteproc_core.c | 85 ++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) -- 1.9.1 diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index fb2d2a0..6c48c11 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -791,6 +791,91 @@ static void rproc_resource_cleanup(struct rproc *rproc) rproc_remove_virtio_dev(rvdev); } +static void rproc_dump_resource_table(struct rproc *rproc, + struct resource_table *table, int size) +{ + const char *types[] = {"carveout", "devmem", "trace", "vdev"}; + struct device *dev = &rproc->dev; + struct fw_rsc_carveout *c; + struct fw_rsc_devmem *d; + struct fw_rsc_trace *t; + struct fw_rsc_vdev *v; + int i, j; + + if (!table) { + dev_dbg(dev, "No resource table found\n"); + return; + } + + dev_dbg(dev, "Resource Table: Version %d with %d entries [size: %x]\n", + table->ver, table->num, size); + + for (i = 0; i < table->num; i++) { + int offset = table->offset[i]; + struct fw_rsc_hdr *hdr = (void *)table + offset; + void *rsc = (void *)hdr + sizeof(*hdr); + + switch (hdr->type) { + case RSC_CARVEOUT: + c = rsc; + dev_dbg(dev, "Entry %d is of type %s\n", i, types[hdr->type]); + dev_dbg(dev, " Device Address 0x%x\n", c->da); + dev_dbg(dev, " Physical Address 0x%x\n", c->pa); + dev_dbg(dev, " Length 0x%x Bytes\n", c->len); + dev_dbg(dev, " Flags 0x%x\n", c->flags); + dev_dbg(dev, " Reserved (should be zero) [%d]\n", c->reserved); + dev_dbg(dev, " Name %s\n\n", c->name); + break; + case RSC_DEVMEM: + d = rsc; + dev_dbg(dev, "Entry %d is of type %s\n", i, types[hdr->type]); + dev_dbg(dev, " Device Address 0x%x\n", d->da); + dev_dbg(dev, " Physical Address 0x%x\n", d->pa); + dev_dbg(dev, " Length 0x%x Bytes\n", d->len); + dev_dbg(dev, " Flags 0x%x\n", d->flags); + dev_dbg(dev, " Reserved (should be zero) [%d]\n", d->reserved); + dev_dbg(dev, " Name %s\n\n", d->name); + break; + case RSC_TRACE: + t = rsc; + dev_dbg(dev, "Entry %d is of type %s\n", i, types[hdr->type]); + dev_dbg(dev, " Device Address 0x%x\n", t->da); + dev_dbg(dev, " Length 0x%x Bytes\n", t->len); + dev_dbg(dev, " Reserved (should be zero) [%d]\n", t->reserved); + dev_dbg(dev, " Name %s\n\n", t->name); + break; + case RSC_VDEV: + v = rsc; + dev_dbg(dev, "Entry %d is of type %s\n", i, types[hdr->type]); + + dev_dbg(dev, " ID %d\n", v->id); + dev_dbg(dev, " Notify ID %d\n", v->notifyid); + dev_dbg(dev, " Device features 0x%x\n", v->dfeatures); + dev_dbg(dev, " Guest features 0x%x\n", v->gfeatures); + dev_dbg(dev, " Config length 0x%x\n", v->config_len); + dev_dbg(dev, " Status 0x%x\n", v->status); + dev_dbg(dev, " Number of vrings %d\n", v->num_of_vrings); + dev_dbg(dev, " Reserved (should be zero) [%d][%d]\n\n", + v->reserved[0], v->reserved[1]); + + for (j = 0; j < v->num_of_vrings; j++) { + dev_dbg(dev, " Vring %d\n", j); + dev_dbg(dev, " Device Address 0x%x\n", v->vring[j].da); + dev_dbg(dev, " Alignment %d\n", v->vring[j].align); + dev_dbg(dev, " Number of buffers %d\n", v->vring[j].num); + dev_dbg(dev, " Notify ID %d\n", v->vring[j].notifyid); + dev_dbg(dev, " Reserved (should be zero) [%d]\n\n", + v->vring[j].reserved); + } + break; + default: + dev_dbg(dev, "Invalid resource type found: %d [hdr: %p]\n", + hdr->type, hdr); + return; + } + } +} + int rproc_request_resource(struct rproc *rproc, u32 type, void *resource) { struct device *dev = &rproc->dev;