diff options
| author | Corey Minyard <minyard@acm.org> | 2021-09-24 15:12:42 +0300 |
|---|---|---|
| committer | Corey Minyard <cminyard@mvista.com> | 2021-10-05 14:54:16 +0300 |
| commit | 1e4071f6282b3323435b02b1719bcfbfe1b57150 (patch) | |
| tree | 13e77253e6da5bdf85e51c297355e16a32c799c5 | |
| parent | d154abdda6dcac92c63141035e477ac18077ffd8 (diff) | |
| download | linux-1e4071f6282b3323435b02b1719bcfbfe1b57150.tar.xz | |
ipmi: Export ipmb_checksum()
It will be needed by the upcoming ipmb direct addressing.
Signed-off-by: Corey Minyard <minyard@acm.org>
Tested-by: Andrew Manley <andrew.manley@sealingtech.com>
Reviewed-by: Andrew Manley <andrew.manley@sealingtech.com>
| -rw-r--r-- | drivers/char/ipmi/ipmi_msghandler.c | 3 | ||||
| -rw-r--r-- | include/linux/ipmi.h | 3 |
2 files changed, 5 insertions, 1 deletions
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 */ |