projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 11fdf7f2 TL |
1 | /* SPDX-License-Identifier: BSD-3-Clause |
| 2 | * Copyright(c) 2015 - 2016 CESNET | |
| 3 | */ | |
| 4 | ||
| 5 | #ifndef RTE_PMD_SZEDATA2_H_ | |
| 6 | #define RTE_PMD_SZEDATA2_H_ | |
| 7 | ||
| 8 | #include <stdint.h> | |
| 9 | ||
| 10 | #include <libsze2.h> | |
| 11 | ||
| 12 | #include <rte_common.h> | |
| 13 | ||
| 14 | /* PCI Vendor ID */ | |
| 15 | #define PCI_VENDOR_ID_NETCOPE 0x1b26 | |
| f67539c2 | 16 | #define PCI_VENDOR_ID_SILICOM 0x1c2c |
| 11fdf7f2 TL |
17 | |
| 18 | /* PCI Device IDs */ | |
| 19 | #define PCI_DEVICE_ID_NETCOPE_COMBO80G 0xcb80 | |
| 20 | #define PCI_DEVICE_ID_NETCOPE_COMBO100G 0xc1c1 | |
| 21 | #define PCI_DEVICE_ID_NETCOPE_COMBO100G2 0xc2c1 | |
| 22 | #define PCI_DEVICE_ID_NETCOPE_NFB200G2QL 0xc250 | |
| f67539c2 TL |
23 | #define PCI_DEVICE_ID_FB2CGG3 0x00d0 |
| 24 | #define PCI_DEVICE_ID_FB2CGG3D 0xc240 | |
| 11fdf7f2 TL |
25 | |
| 26 | /* szedata2_packet header length == 4 bytes == 2B segment size + 2B hw size */ | |
| 27 | #define RTE_SZE2_PACKET_HEADER_SIZE 4 | |
| 28 | ||
| 29 | #define RTE_SZE2_MMIO_MAX 10 | |
| 30 | ||
| 31 | /*! | |
| 32 | * Round 'what' to the nearest larger (or equal) multiple of '8' | |
| 33 | * (szedata2 packet is aligned to 8 bytes) | |
| 34 | */ | |
| 35 | #define RTE_SZE2_ALIGN8(what) RTE_ALIGN(what, 8) | |
| 36 | ||
| 37 | /*! main handle structure */ | |
| 38 | struct szedata { | |
| 39 | int fd; | |
| 40 | struct sze2_instance_info *info; | |
| 41 | uint32_t *write_size; | |
| 42 | void *space[RTE_SZE2_MMIO_MAX]; | |
| 43 | struct szedata_lock lock[2][2]; | |
| 44 | ||
| 45 | __u32 *rx_asize, *tx_asize; | |
| 46 | ||
| 47 | /* szedata_read_next variables - to keep context (ct) */ | |
| 48 | ||
| 49 | /* | |
| 50 | * rx | |
| 51 | */ | |
| 52 | /** initial sze lock ptr */ | |
| 53 | const struct szedata_lock *ct_rx_lck_orig; | |
| 54 | /** current sze lock ptr (initial or next) */ | |
| 55 | const struct szedata_lock *ct_rx_lck; | |
| 56 | /** remaining bytes (not read) within current lock */ | |
| 57 | unsigned int ct_rx_rem_bytes; | |
| 58 | /** current pointer to locked memory */ | |
| 59 | unsigned char *ct_rx_cur_ptr; | |
| 60 | /** | |
| 61 | * allocated buffer to store RX packet if it was split | |
| 62 | * into 2 buffers | |
| 63 | */ | |
| 64 | unsigned char *ct_rx_buffer; | |
| 65 | /** registered function to provide filtering based on hwdata */ | |
| 66 | int (*ct_rx_filter)(u_int16_t hwdata_len, u_char *hwdata); | |
| 67 | ||
| 68 | /* | |
| 69 | * tx | |
| 70 | */ | |
| 71 | /** | |
| 72 | * buffer for tx - packet is prepared here | |
| 73 | * (in future for burst write) | |
| 74 | */ | |
| 75 | unsigned char *ct_tx_buffer; | |
| 76 | /** initial sze TX lock ptrs - number according to TX interfaces */ | |
| 77 | const struct szedata_lock **ct_tx_lck_orig; | |
| 78 | /** current sze TX lock ptrs - number according to TX interfaces */ | |
| 79 | const struct szedata_lock **ct_tx_lck; | |
| 80 | /** already written bytes in both locks */ | |
| 81 | unsigned int *ct_tx_written_bytes; | |
| 82 | /** remaining bytes (not written) within current lock */ | |
| 83 | unsigned int *ct_tx_rem_bytes; | |
| 84 | /** current pointers to locked memory */ | |
| 85 | unsigned char **ct_tx_cur_ptr; | |
| 86 | /** NUMA node closest to PCIe device, or -1 */ | |
| 87 | int numa_node; | |
| 88 | }; | |
| 89 | ||
| 90 | #endif /* RTE_PMD_SZEDATA2_H_ */ |