diff options
Diffstat (limited to 'pcilib.h')
| -rw-r--r-- | pcilib.h | 6 |
1 files changed, 5 insertions, 1 deletions
@@ -130,6 +130,8 @@ typedef enum { #define PCILIB_TIMEOUT_IMMEDIATE 0 #define PCILIB_IRQ_TYPE_ALL 0 #define PCILIB_IRQ_SOURCE_DEFAULT 0 +#define PCILIB_REGISTER_NO_BITS 0 +#define PCILIB_REGISTER_ALL_BITS ((pcilib_register_value_t)-1) typedef struct { pcilib_event_t type; @@ -183,7 +185,9 @@ typedef struct { pcilib_register_size_t offset; pcilib_register_size_t bits; pcilib_register_value_t defvalue; - pcilib_register_value_t rwmask; /**< 1 - read before write bits, 0 - zero should be written to preserve value */ + pcilib_register_value_t rwmask; /**< 1 - read before write bits, 0 - zero should be written to preserve value + Used to define how external bits of PCILIB_REGISTER_BITS registers are treated. + Currently it is a bit confusing, we may find a better way in the next release */ pcilib_register_mode_t mode; pcilib_register_type_t type; |