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[172.97.209.197]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-8c90c16366csm34974426d6.40.2026.05.14.15.58.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 May 2026 15:58:21 -0700 (PDT) From: Raymond Mao To: opensbi@lists.infradead.org Cc: scott@riscstar.com, dave.patel@riscstar.com, raymond.mao@riscstar.com, robin.randhawa@sifive.com, samuel.holland@sifive.com, anup.patel@qti.qualcomm.com, anuppate@qti.qualcomm.com, anup@brainfault.org, dhaval@rivosinc.com, peter.lin@sifive.com Subject: [PATCH 05/10] lib: sbi: domain: add domain lookup by name Date: Thu, 14 May 2026 18:57:51 -0400 Message-Id: <20260514225756.2255758-6-raymondmaoca@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260514225756.2255758-1-raymondmaoca@gmail.com> References: <20260514225756.2255758-1-raymondmaoca@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260514_155823_665499_1E91960E X-CRM114-Status: UNSURE ( 8.68 ) X-CRM114-Notice: Please train this message. X-BeenThere: opensbi@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "opensbi" Errors-To: opensbi-bounces+opensbi=archiver.kernel.org@lists.infradead.org From: Raymond Mao Provide a helper to resolve a domain by its DT node name, used by sysirq DT parsing. Signed-off-by: Raymond Mao --- include/sbi/sbi_domain.h | 3 +++ lib/sbi/sbi_domain.c | 15 +++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/include/sbi/sbi_domain.h b/include/sbi/sbi_domain.h index 7e288cd8..b7267da8 100644 --- a/include/sbi/sbi_domain.h +++ b/include/sbi/sbi_domain.h @@ -232,6 +232,9 @@ struct sbi_domain *sbi_hartindex_to_domain(u32 hartindex); /** Update HART local pointer to point to specified domain */ void sbi_update_hartindex_to_domain(u32 hartindex, struct sbi_domain *dom); +/** Find domain by DT node name (domain name) */ +struct sbi_domain *sbi_domain_find_by_name(const char *name); + /** Get pointer to sbi_domain for current HART */ #define sbi_domain_thishart_ptr() \ sbi_hartindex_to_domain(current_hartindex()) diff --git a/lib/sbi/sbi_domain.c b/lib/sbi/sbi_domain.c index 2a846eea..c33f2b3c 100644 --- a/lib/sbi/sbi_domain.c +++ b/lib/sbi/sbi_domain.c @@ -60,6 +60,21 @@ void sbi_update_hartindex_to_domain(u32 hartindex, struct sbi_domain *dom) sbi_scratch_write_type(scratch, void *, domain_hart_ptr_offset, dom); } +struct sbi_domain *sbi_domain_find_by_name(const char *name) +{ + struct sbi_domain *dom; + + if (!name) + return NULL; + + sbi_domain_for_each(dom) { + if (!sbi_strncmp(dom->name, name, sizeof(dom->name))) + return dom; + } + + return NULL; +} + bool sbi_domain_is_assigned_hart(const struct sbi_domain *dom, u32 hartindex) { bool ret; -- 2.25.1 -- opensbi mailing list opensbi@lists.infradead.org http://lists.infradead.org/mailman/listinfo/opensbi