diff options
Diffstat (limited to 'VNFs/DPPD-PROX/rw_reg.h')
-rw-r--r-- | VNFs/DPPD-PROX/rw_reg.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/VNFs/DPPD-PROX/rw_reg.h b/VNFs/DPPD-PROX/rw_reg.h new file mode 100644 index 00000000..1e38c7d0 --- /dev/null +++ b/VNFs/DPPD-PROX/rw_reg.h @@ -0,0 +1,43 @@ +/* +// Copyright (c) 2010-2017 Intel Corporation +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +*/ + +#ifndef __RW_REG_H__ +#define __RW_REG_H__ + +/* Simplified, from DPDK 1.8 */ +struct _dev_hw { + uint8_t *hw_addr; +}; +/* Registers access */ + +#define PROX_PCI_REG_ADDR(hw, reg) \ + ((volatile uint32_t *)((char *)(hw)->hw_addr + (reg))) +#define PROX_READ_REG(hw, reg) \ + prox_read_addr(PROX_PCI_REG_ADDR((hw), (reg))) +#define PROX_PCI_REG(reg) (*((volatile uint32_t *)(reg))) +#define PROX_PCI_REG_WRITE(reg_addr, value) \ + *((volatile uint32_t *) (reg_addr)) = (value) +#define PROX_WRITE_REG(hw,reg,value) \ + PROX_PCI_REG_WRITE(PROX_PCI_REG_ADDR((hw), (reg)), (value)) + +static inline uint32_t prox_read_addr(volatile void* addr) +{ + return rte_le_to_cpu_32(PROX_PCI_REG(addr)); +} + +int read_reg(uint8_t portid, uint32_t addr, uint32_t *reg); +int write_reg(uint8_t portid, uint32_t reg, uint32_t val); +#endif |