diff options
Diffstat (limited to 'arch/mips/mach-octeon/include/mach/cvmx-helper-npi.h')
-rw-r--r-- | arch/mips/mach-octeon/include/mach/cvmx-helper-npi.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/mips/mach-octeon/include/mach/cvmx-helper-npi.h b/arch/mips/mach-octeon/include/mach/cvmx-helper-npi.h new file mode 100644 index 0000000000..6a600a017c --- /dev/null +++ b/arch/mips/mach-octeon/include/mach/cvmx-helper-npi.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020 Marvell International Ltd. + * + * Functions for NPI initialization, configuration, + * and monitoring. + */ + +#ifndef __CVMX_HELPER_NPI_H__ +#define __CVMX_HELPER_NPI_H__ + +/** + * @INTERNAL + * Probe a NPI interface and determine the number of ports + * connected to it. The NPI interface should still be down after + * this call. + * + * @param interface Interface to probe + * + * @return Number of ports on the interface. Zero to disable. + */ +int __cvmx_helper_npi_probe(int interface); + +/** + * @INTERNAL + * Bringup and enable a NPI interface. After this call packet + * I/O should be fully functional. This is called with IPD + * enabled but PKO disabled. + * + * @param xiface Interface to bring up + * + * @return Zero on success, negative on failure + */ +int __cvmx_helper_npi_enable(int xiface); + +/** + * Sets the number of pipe used by SLI packet output in the variable, + * which then later used for setting it up in HW + */ +void cvmx_npi_config_set_num_pipes(int num_pipes); + +#endif |