From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Wilck Subject: [PATCH v3 04/10] libmultipath: add (get|put)_unaligned_be64 Date: Sun, 24 Jun 2018 21:09:38 +0200 Message-ID: <20180624190944.27158-5-mwilck@suse.com> References: <20180624190944.27158-1-mwilck@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180624190944.27158-1-mwilck@suse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Christophe Varoqui , Bart Van Assche , Benjamin Marzinski Cc: dm-devel@redhat.com, Martin Wilck List-Id: dm-devel.ids Signed-off-by: Martin Wilck --- libmultipath/unaligned.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/libmultipath/unaligned.h b/libmultipath/unaligned.h index 14ec8b23..68c07742 100644 --- a/libmultipath/unaligned.h +++ b/libmultipath/unaligned.h @@ -17,6 +17,14 @@ static inline uint32_t get_unaligned_be32(void *ptr) return p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; } +static inline uint64_t get_unaligned_be64(void *ptr) +{ + uint32_t low = get_unaligned_be32(ptr + 4); + uint64_t high = get_unaligned_be32(ptr); + + return high << 32 | low; +} + static inline void put_unaligned_be16(uint16_t val, void *ptr) { uint8_t *p = ptr; @@ -35,4 +43,12 @@ static inline void put_unaligned_be32(uint32_t val, void *ptr) p[3] = val; } +static inline void put_unaligned_be64(uint64_t val, void *ptr) +{ + uint8_t *p = ptr; + + put_unaligned_be32(val >> 32, p); + put_unaligned_be32(val, p + 4); +} + #endif /* _UNALIGNED_H_ */ -- 2.17.1