From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Loic Pallardy Subject: [PATCH 2/2] remoteproc: debug: add carveouts list dump feature Date: Fri, 27 Oct 2017 14:41:22 +0200 Message-ID: <1509108082-22201-3-git-send-email-loic.pallardy@st.com> In-Reply-To: <1509108082-22201-1-git-send-email-loic.pallardy@st.com> References: <1509108082-22201-1-git-send-email-loic.pallardy@st.com> MIME-Version: 1.0 Content-Type: text/plain To: bjorn.andersson@linaro.org, ohad@wizery.com Cc: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, arnaud.pouliquen@st.com, Loic Pallardy List-ID: This patch offers the capability to dump memory carveouts associated to one remoteprocessor. Signed-off-by: Loic Pallardy --- drivers/remoteproc/remoteproc_debugfs.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c index c1c9f58..982e6a7 100644 --- a/drivers/remoteproc/remoteproc_debugfs.c +++ b/drivers/remoteproc/remoteproc_debugfs.c @@ -252,6 +252,35 @@ static ssize_t rproc_rsc_table_open(struct inode *inode, struct file *file) .release = single_release, }; +/* Expose carveout content via debugfs */ +static int rproc_carveouts_show(struct seq_file *seq, void *p) +{ + struct rproc *rproc = seq->private; + struct rproc_mem_entry *carveout; + + list_for_each_entry(carveout, &rproc->carveouts, node) { + seq_puts(seq, "Carveout memory entry:\n"); + seq_printf(seq, "\tVirtual address: %p\n", carveout->va); + seq_printf(seq, "\tDMA address: %pad\n", &carveout->dma); + seq_printf(seq, "\tDevice address: 0x%x\n", carveout->da); + seq_printf(seq, "\tLength: 0x%x Bytes\n\n", carveout->len); + } + + return 0; +} + +static ssize_t rproc_carveouts_open(struct inode *inode, struct file *file) +{ + return single_open(file, rproc_carveouts_show, inode->i_private); +} + +static const struct file_operations rproc_carveouts_ops = { + .open = rproc_carveouts_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + void rproc_remove_trace_file(struct dentry *tfile) { debugfs_remove(tfile); @@ -297,6 +326,8 @@ void rproc_create_debug_dir(struct rproc *rproc) rproc, &rproc_recovery_ops); debugfs_create_file("resource_table", 0400, rproc->dbg_dir, rproc, &rproc_rsc_table_ops); + debugfs_create_file("carveout_memories", 0400, rproc->dbg_dir, + rproc, &rproc_carveouts_ops); } void __init rproc_init_debugfs(void) -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752663AbdJ0MmE (ORCPT ); Fri, 27 Oct 2017 08:42:04 -0400 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:33671 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752622AbdJ0Mlx (ORCPT ); Fri, 27 Oct 2017 08:41:53 -0400 From: Loic Pallardy To: , CC: , , , Loic Pallardy Subject: [PATCH 2/2] remoteproc: debug: add carveouts list dump feature Date: Fri, 27 Oct 2017 14:41:22 +0200 Message-ID: <1509108082-22201-3-git-send-email-loic.pallardy@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1509108082-22201-1-git-send-email-loic.pallardy@st.com> References: <1509108082-22201-1-git-send-email-loic.pallardy@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG4NODE3.st.com (10.75.127.12) To SFHDAG7NODE2.st.com (10.75.127.20) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-10-27_07:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch offers the capability to dump memory carveouts associated to one remoteprocessor. Signed-off-by: Loic Pallardy --- drivers/remoteproc/remoteproc_debugfs.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c index c1c9f58..982e6a7 100644 --- a/drivers/remoteproc/remoteproc_debugfs.c +++ b/drivers/remoteproc/remoteproc_debugfs.c @@ -252,6 +252,35 @@ static ssize_t rproc_rsc_table_open(struct inode *inode, struct file *file) .release = single_release, }; +/* Expose carveout content via debugfs */ +static int rproc_carveouts_show(struct seq_file *seq, void *p) +{ + struct rproc *rproc = seq->private; + struct rproc_mem_entry *carveout; + + list_for_each_entry(carveout, &rproc->carveouts, node) { + seq_puts(seq, "Carveout memory entry:\n"); + seq_printf(seq, "\tVirtual address: %p\n", carveout->va); + seq_printf(seq, "\tDMA address: %pad\n", &carveout->dma); + seq_printf(seq, "\tDevice address: 0x%x\n", carveout->da); + seq_printf(seq, "\tLength: 0x%x Bytes\n\n", carveout->len); + } + + return 0; +} + +static ssize_t rproc_carveouts_open(struct inode *inode, struct file *file) +{ + return single_open(file, rproc_carveouts_show, inode->i_private); +} + +static const struct file_operations rproc_carveouts_ops = { + .open = rproc_carveouts_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + void rproc_remove_trace_file(struct dentry *tfile) { debugfs_remove(tfile); @@ -297,6 +326,8 @@ void rproc_create_debug_dir(struct rproc *rproc) rproc, &rproc_recovery_ops); debugfs_create_file("resource_table", 0400, rproc->dbg_dir, rproc, &rproc_rsc_table_ops); + debugfs_create_file("carveout_memories", 0400, rproc->dbg_dir, + rproc, &rproc_carveouts_ops); } void __init rproc_init_debugfs(void) -- 1.9.1