mstmcra - Man Page
Mellanox Configuration Registers Access tool
Description
Mellanox Configuration Registers Access tool Usage: mstmcra [-s <i2c-slave>] [-a <adb dump>] [-v] [-h] [-c] <device>
<addr[.<bit offset>:<bit size>]|[,<bytes number>]> [data] If data is given, operation is write. Otherwise it is read. If a bit range is given in the address (E.G.: 0xf0014.16:8):
- For read
- Only the requested bits are printed.
For write - Read-Modify-Write. Only the requested bits are changed.
If 'bytes number' is given in the address (E.G.: 0xf0014,16):
- For read
- Will read a block (its size is the given bytes number).
For write - User need to give list of dwrods to write,
number of dwords should be (bytes number/4).
DESCRIPTION:
Reads/writes a single word from/to a device configuration register space
-s <i2c-slave> : I2C slave address.
-a <dump file> : adb dump file, used for access by path.
- -c
: clear the device's PCI semaphore.
- -h
: Print this help message.
- -v
: Display version info
Environment Variables
- ADB_DUMP
: Holds the path to adb dump, used for access by path (can be overridden by "-a").