remoteproc: debug: add carveouts list dump feature
This patch offers the capability to dump memory carveouts associated to one remoteprocessor. Signed-off-by: Loic Pallardy <loic.pallardy@st.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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@ -252,6 +252,35 @@ static const struct file_operations rproc_rsc_table_ops = {
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.release = single_release,
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};
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/* Expose carveout content via debugfs */
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static int rproc_carveouts_show(struct seq_file *seq, void *p)
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{
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struct rproc *rproc = seq->private;
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struct rproc_mem_entry *carveout;
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list_for_each_entry(carveout, &rproc->carveouts, node) {
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seq_puts(seq, "Carveout memory entry:\n");
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seq_printf(seq, "\tVirtual address: %p\n", carveout->va);
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seq_printf(seq, "\tDMA address: %pad\n", &carveout->dma);
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seq_printf(seq, "\tDevice address: 0x%x\n", carveout->da);
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seq_printf(seq, "\tLength: 0x%x Bytes\n\n", carveout->len);
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}
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return 0;
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}
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static int rproc_carveouts_open(struct inode *inode, struct file *file)
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{
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return single_open(file, rproc_carveouts_show, inode->i_private);
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}
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static const struct file_operations rproc_carveouts_ops = {
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.open = rproc_carveouts_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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void rproc_remove_trace_file(struct dentry *tfile)
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{
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debugfs_remove(tfile);
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@ -297,6 +326,8 @@ void rproc_create_debug_dir(struct rproc *rproc)
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rproc, &rproc_recovery_ops);
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debugfs_create_file("resource_table", 0400, rproc->dbg_dir,
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rproc, &rproc_rsc_table_ops);
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debugfs_create_file("carveout_memories", 0400, rproc->dbg_dir,
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rproc, &rproc_carveouts_ops);
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}
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void __init rproc_init_debugfs(void)
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