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31ef9134 CL |
1 | #ifndef SOUND_FIREWIRE_LIB_H_INCLUDED |
2 | #define SOUND_FIREWIRE_LIB_H_INCLUDED | |
3 | ||
4 | #include <linux/firewire-constants.h> | |
5 | #include <linux/types.h> | |
6 | ||
7 | struct fw_unit; | |
8 | ||
1b70485f CL |
9 | #define FW_GENERATION_MASK 0x00ff |
10 | #define FW_FIXED_GENERATION 0x0100 | |
11 | #define FW_QUIET 0x0200 | |
12 | ||
31ef9134 | 13 | int snd_fw_transaction(struct fw_unit *unit, int tcode, |
1b70485f CL |
14 | u64 offset, void *buffer, size_t length, |
15 | unsigned int flags); | |
31ef9134 CL |
16 | |
17 | /* returns true if retrying the transaction would not make sense */ | |
18 | static inline bool rcode_is_permanent_error(int rcode) | |
19 | { | |
20 | return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR; | |
21 | } | |
22 | ||
23 | #endif |