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| author | Jordan Niethe <jniethe5@gmail.com> | 2019-08-09 14:12:19 +1000 |
|---|---|---|
| committer | Oliver O'Halloran <oohall@gmail.com> | 2019-08-16 15:51:55 +1000 |
| commit | f68639c6fcdf9261290a4601eda1ae6a406ba95a (patch) | |
| tree | 5badd225d6b18b5b3595e1181f1697e99c8b388b /include/skiboot.h | |
| parent | df15dcfc8acc83591889fa3b33100734a6b6bdb7 (diff) | |
| download | skiboot-f68639c6fcdf9261290a4601eda1ae6a406ba95a.zip skiboot-f68639c6fcdf9261290a4601eda1ae6a406ba95a.tar.gz skiboot-f68639c6fcdf9261290a4601eda1ae6a406ba95a.tar.bz2 | |
pci: Use a macro for accessing PCI BDF Device Number
Currently when the Device Number bits of a BDF are needed the bit
operations to get it are free coded. There are many places where the
Device Number is used, so make a macro to use instead of free coding it
everytime.
Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Diffstat (limited to 'include/skiboot.h')
| -rw-r--r-- | include/skiboot.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/skiboot.h b/include/skiboot.h index 4db265f..7ea17bf 100644 --- a/include/skiboot.h +++ b/include/skiboot.h @@ -139,6 +139,7 @@ static inline bool is_pow2(unsigned long val) /* PCI Geographical Addressing */ #define PCI_BUS_NUM(bdfn) (((bdfn) >> 8) & 0xff) +#define PCI_DEV(bdfn) (((bdfn) >> 3) & 0x1f) /* Clean the stray high bit which the FSP inserts: we only have 52 bits real */ static inline u64 cleanup_addr(u64 addr) |