From patchwork Wed Nov 7 05:39:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Popple X-Patchwork-Id: 994109 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42qZys2f27z9sDB for ; Wed, 7 Nov 2018 16:41:09 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=popple.id.au Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 42qZyr6hk1zF3GT for ; Wed, 7 Nov 2018 16:41:08 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=popple.id.au X-Original-To: pdbg@lists.ozlabs.org Delivered-To: pdbg@lists.ozlabs.org Received: from ozlabs.org (bilbo.ozlabs.org [203.11.71.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42qZxV1FbyzF3Gb for ; Wed, 7 Nov 2018 16:39:58 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=popple.id.au Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPSA id 42qZxT5nVRz9sDC; Wed, 7 Nov 2018 16:39:57 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=popple.id.au From: Alistair Popple To: pdbg@lists.ozlabs.org Date: Wed, 7 Nov 2018 16:39:30 +1100 Message-Id: <20181107053943.4307-4-alistair@popple.id.au> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20181107053943.4307-1-alistair@popple.id.au> References: <20181107053943.4307-1-alistair@popple.id.au> Subject: [Pdbg] [PATCH v2 03/16] libpdbg: Add API to get device tree path and find target via path X-BeenThere: pdbg@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "mailing list for https://github.com/open-power/pdbg development" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: amitay@ozlabs.org MIME-Version: 1.0 Errors-To: pdbg-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Pdbg" Signed-off-by: Alistair Popple Reviewed-by: Amitay Isaacs --- libpdbg/libpdbg.c | 13 +++++++++++++ libpdbg/libpdbg.h | 2 ++ 2 files changed, 15 insertions(+) diff --git a/libpdbg/libpdbg.c b/libpdbg/libpdbg.c index ccaad3e..f77138a 100644 --- a/libpdbg/libpdbg.c +++ b/libpdbg/libpdbg.c @@ -135,6 +135,19 @@ const char *pdbg_target_dn_name(struct pdbg_target *target) return target->dn_name; } +char *pdbg_target_path(const struct pdbg_target *target) +{ + return dt_get_path(target); +} + +struct pdbg_target *pdbg_target_from_path(struct pdbg_target *target, const char *path) +{ + if (!target) + target = dt_root; + + return dt_find_by_path(target, path); +} + void pdbg_set_target_property(struct pdbg_target *target, const char *name, const void *val, size_t size) { struct dt_property *p; diff --git a/libpdbg/libpdbg.h b/libpdbg/libpdbg.h index 138521c..b11866a 100644 --- a/libpdbg/libpdbg.h +++ b/libpdbg/libpdbg.h @@ -84,6 +84,8 @@ void pdbg_target_release(struct pdbg_target *target); enum pdbg_target_status pdbg_target_status(struct pdbg_target *target); void pdbg_target_status_set(struct pdbg_target *target, enum pdbg_target_status status); uint32_t pdbg_target_index(struct pdbg_target *target); +char *pdbg_target_path(const struct pdbg_target *target); +struct pdbg_target *pdbg_target_from_path(struct pdbg_target *target, const char *path); uint32_t pdbg_parent_index(struct pdbg_target *target, char *klass); char *pdbg_target_class_name(struct pdbg_target *target); char *pdbg_target_name(struct pdbg_target *target);