From: Loic Pallardy <loic.pallardy@st.com> 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 <loic.pallardy@st.com> Subject: [PATCH 2/2] remoteproc: debug: add carveouts list dump feature Date: Fri, 27 Oct 2017 14:41:22 +0200 [thread overview] Message-ID: <1509108082-22201-3-git-send-email-loic.pallardy@st.com> (raw) In-Reply-To: <1509108082-22201-1-git-send-email-loic.pallardy@st.com> This patch offers the capability to dump memory carveouts associated to one remoteprocessor. Signed-off-by: Loic Pallardy <loic.pallardy@st.com> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: Loic Pallardy <loic.pallardy@st.com> 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 <loic.pallardy@st.com> Subject: [PATCH 2/2] remoteproc: debug: add carveouts list dump feature Date: Fri, 27 Oct 2017 14:41:22 +0200 [thread overview] Message-ID: <1509108082-22201-3-git-send-email-loic.pallardy@st.com> (raw) In-Reply-To: <1509108082-22201-1-git-send-email-loic.pallardy@st.com> This patch offers the capability to dump memory carveouts associated to one remoteprocessor. Signed-off-by: Loic Pallardy <loic.pallardy@st.com> --- 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
next prev parent reply other threads:[~2017-10-27 12:41 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-10-27 12:41 [PATCH 0/2] remoteproc: increase debug capabilities Loic Pallardy 2017-10-27 12:41 ` Loic Pallardy 2017-10-27 12:41 ` [PATCH 1/2] remoteproc: debug: add resource table dump feature Loic Pallardy 2017-10-27 12:41 ` Loic Pallardy 2017-10-30 10:35 ` kbuild test robot 2017-10-30 10:35 ` kbuild test robot 2017-10-30 11:46 ` kbuild test robot 2017-10-30 11:46 ` kbuild test robot 2017-10-27 12:41 ` Loic Pallardy [this message] 2017-10-27 12:41 ` [PATCH 2/2] remoteproc: debug: add carveouts list " Loic Pallardy 2017-10-31 4:21 ` [PATCH 0/2] remoteproc: increase debug capabilities Bjorn Andersson 2017-11-06 16:51 ` Loic PALLARDY
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