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| author | Till Straumann <strauman@slac.stanford.edu> | 2011-07-21 23:24:54 +0000 |
|---|---|---|
| committer | Till Straumann <strauman@slac.stanford.edu> | 2011-07-21 23:24:54 +0000 |
| commit | f552470eec83d3587c603922404ea5115c6963a7 (patch) | |
| tree | f12fca8ecbff140b90683c083795da5299f89452 /bsd_eth_drivers/if_em/e1000_osdep.h | |
| parent | 2011-07-20 Till Straumann <Till.Straumann@TU-Berlin.de> (diff) | |
| download | libbsdport-f552470eec83d3587c603922404ea5115c6963a7.tar.bz2 | |
2011-07-21 Till Straumann <Till.Straumann@TU-Berlin.de>
* if_em/e1000_osdep.h, if_em/e1000_osdep.c, if_em/if_em.c:
added e1000_register()/e1000_unregister() to keep track of
devices that are 'in-use'. This allows for sharing the low-level
code between bsdnet and standalone drivers (e.g., for PtP
GigE links).
Diffstat (limited to 'bsd_eth_drivers/if_em/e1000_osdep.h')
| -rw-r--r-- | bsd_eth_drivers/if_em/e1000_osdep.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/bsd_eth_drivers/if_em/e1000_osdep.h b/bsd_eth_drivers/if_em/e1000_osdep.h index 134c4cc..c6796f1 100644 --- a/bsd_eth_drivers/if_em/e1000_osdep.h +++ b/bsd_eth_drivers/if_em/e1000_osdep.h @@ -87,11 +87,20 @@ typedef volatile uint32_t __uint32_va_t __attribute__((may_alias)); typedef volatile uint16_t __uint16_va_t __attribute__((may_alias)); struct e1000_pcisig { - uint16_t bus; - uint8_t dev; - uint8_t fun; + uint32_t sig; }; +/* Register an instance; if this returns nonzero + * then registration failed and the device with + * the pci signature passed in MUST NOT be used + * (since it is already in use by another driver). + */ +int +e1000_register(struct e1000_pcisig *sig_p_out, unsigned bus, unsigned dev, unsigned fun); + +void +e1000_unregister(struct e1000_pcisig *sig_p); + #ifdef NO_82542_SUPPORT #define E1000_REGISTER(hw, reg) reg #else |