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[2001:470:b8f6:1b::1]) by smtp.gmail.com with ESMTPSA id e16sm3006902oie.17.2021.10.04.17.40.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Oct 2021 17:40:26 -0700 (PDT) Sender: Corey Minyard Received: from t560.minyard.net (unknown [IPv6:2001:470:b8f6:1b:1ce5:3fb4:8fe9:30d1]) by serve.minyard.net (Postfix) with ESMTPA id 181271800F1; Tue, 5 Oct 2021 00:40:26 +0000 (UTC) From: minyard@acm.org To: openipmi-developer@lists.sourceforge.net Cc: Andrew Manley , linux-kernel@vger.kernel.org, Corey Minyard , Corey Minyard Subject: [PATCH 1/5] ipmi: Export ipmb_checksum() Date: Mon, 4 Oct 2021 19:40:15 -0500 Message-Id: <20211005004019.2670691-2-minyard@acm.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211005004019.2670691-1-minyard@acm.org> References: <20211005004019.2670691-1-minyard@acm.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Corey Minyard It will be needed by the upcoming ipmb direct addressing. Signed-off-by: Corey Minyard Tested-by: Andrew Manley Reviewed-by: Andrew Manley --- drivers/char/ipmi/ipmi_msghandler.c | 3 ++- include/linux/ipmi.h | 3 +++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 13988f88f1b0..ad1a8fc379b9 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -1710,7 +1710,7 @@ int ipmi_unregister_for_cmd(struct ipmi_user *user, } EXPORT_SYMBOL(ipmi_unregister_for_cmd); -static unsigned char +unsigned char ipmb_checksum(unsigned char *data, int size) { unsigned char csum = 0; @@ -1720,6 +1720,7 @@ ipmb_checksum(unsigned char *data, int size) return -csum; } +EXPORT_SYMBOL(ipmb_checksum); static inline void format_ipmb_msg(struct ipmi_smi_msg *smi_msg, struct kernel_ipmi_msg *msg, diff --git a/include/linux/ipmi.h b/include/linux/ipmi.h index 52850a02a3d0..163831a087ef 100644 --- a/include/linux/ipmi.h +++ b/include/linux/ipmi.h @@ -335,4 +335,7 @@ extern int ipmi_get_smi_info(int if_num, struct ipmi_smi_info *data); #define GET_DEVICE_ID_MAX_RETRY 5 +/* Helper function for computing the IPMB checksum of some data. */ +unsigned char ipmb_checksum(unsigned char *data, int size); + #endif /* __LINUX_IPMI_H */ -- 2.25.1