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scst: Make msg_byte() and driver_byte() available when building against v5.14

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9504 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2021-09-03 05:01:43 +00:00
parent cb74f66766
commit 6edaec0d40
1 changed files with 31 additions and 0 deletions
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31
scst/include/backport.h
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@@ -2118,6 +2118,37 @@ static inline struct ib_pd *ib_alloc_pd_backport(struct ib_device *device)
})
#endif
/* <scsi/scsi.h> */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 14, 0)
#ifndef msg_byte
/*
* See also commit 54cf31d07aa8 ("scsi: core: Drop message byte helper";
* v5.14-rc1).
*/
static inline uint8_t msg_byte(uint32_t result)
{
return (result >> 8) & 0xff;
}
#endif
#ifndef host_byte
static inline uint8_t host_byte(uint32_t result)
{
return (result >> 16) & 0xff;
}
#endif
#ifndef driver_byte
/*
* See also commit 54c29086195f ("scsi: core: Drop the now obsolete driver_byte
* definitions"; v5.14-rc1).
*/
static inline uint8_t driver_byte(uint32_t result)
{
return (result >> 24) & 0xff;
}
#endif
#endif
/* <scsi/scsi_cmnd.h> */
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24) || \