diff options
Diffstat (limited to 'drivers/net/avf/base/avf_lan_hmc.h')
| -rw-r--r-- | drivers/net/avf/base/avf_lan_hmc.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/drivers/net/avf/base/avf_lan_hmc.h b/drivers/net/avf/base/avf_lan_hmc.h new file mode 100644 index 00000000..48805d89 --- /dev/null +++ b/drivers/net/avf/base/avf_lan_hmc.h @@ -0,0 +1,200 @@ +/******************************************************************************* + +Copyright (c) 2013 - 2015, Intel Corporation +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 3. Neither the name of the Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. + +***************************************************************************/ + +#ifndef _AVF_LAN_HMC_H_ +#define _AVF_LAN_HMC_H_ + +/* forward-declare the HW struct for the compiler */ +struct avf_hw; + +/* HMC element context information */ + +/* Rx queue context data + * + * The sizes of the variables may be larger than needed due to crossing byte + * boundaries. If we do not have the width of the variable set to the correct + * size then we could end up shifting bits off the top of the variable when the + * variable is at the top of a byte and crosses over into the next byte. + */ +struct avf_hmc_obj_rxq { + u16 head; + u16 cpuid; /* bigger than needed, see above for reason */ + u64 base; + u16 qlen; +#define AVF_RXQ_CTX_DBUFF_SHIFT 7 + u16 dbuff; /* bigger than needed, see above for reason */ +#define AVF_RXQ_CTX_HBUFF_SHIFT 6 + u16 hbuff; /* bigger than needed, see above for reason */ + u8 dtype; + u8 dsize; + u8 crcstrip; + u8 fc_ena; + u8 l2tsel; + u8 hsplit_0; + u8 hsplit_1; + u8 showiv; + u32 rxmax; /* bigger than needed, see above for reason */ + u8 tphrdesc_ena; + u8 tphwdesc_ena; + u8 tphdata_ena; + u8 tphhead_ena; + u16 lrxqthresh; /* bigger than needed, see above for reason */ + u8 prefena; /* NOTE: normally must be set to 1 at init */ +}; + +/* Tx queue context data +* +* The sizes of the variables may be larger than needed due to crossing byte +* boundaries. If we do not have the width of the variable set to the correct +* size then we could end up shifting bits off the top of the variable when the +* variable is at the top of a byte and crosses over into the next byte. +*/ +struct avf_hmc_obj_txq { + u16 head; + u8 new_context; + u64 base; + u8 fc_ena; + u8 timesync_ena; + u8 fd_ena; + u8 alt_vlan_ena; + u16 thead_wb; + u8 cpuid; + u8 head_wb_ena; + u16 qlen; + u8 tphrdesc_ena; + u8 tphrpacket_ena; + u8 tphwdesc_ena; + u64 head_wb_addr; + u32 crc; + u16 rdylist; + u8 rdylist_act; +}; + +/* for hsplit_0 field of Rx HMC context */ +enum avf_hmc_obj_rx_hsplit_0 { + AVF_HMC_OBJ_RX_HSPLIT_0_NO_SPLIT = 0, + AVF_HMC_OBJ_RX_HSPLIT_0_SPLIT_L2 = 1, + AVF_HMC_OBJ_RX_HSPLIT_0_SPLIT_IP = 2, + AVF_HMC_OBJ_RX_HSPLIT_0_SPLIT_TCP_UDP = 4, + AVF_HMC_OBJ_RX_HSPLIT_0_SPLIT_SCTP = 8, +}; + +/* fcoe_cntx and fcoe_filt are for debugging purpose only */ +struct avf_hmc_obj_fcoe_cntx { + u32 rsv[32]; +}; + +struct avf_hmc_obj_fcoe_filt { + u32 rsv[8]; +}; + +/* Context sizes for LAN objects */ +enum avf_hmc_lan_object_size { + AVF_HMC_LAN_OBJ_SZ_8 = 0x3, + AVF_HMC_LAN_OBJ_SZ_16 = 0x4, + AVF_HMC_LAN_OBJ_SZ_32 = 0x5, + AVF_HMC_LAN_OBJ_SZ_64 = 0x6, + AVF_HMC_LAN_OBJ_SZ_128 = 0x7, + AVF_HMC_LAN_OBJ_SZ_256 = 0x8, + AVF_HMC_LAN_OBJ_SZ_512 = 0x9, +}; + +#define AVF_HMC_L2OBJ_BASE_ALIGNMENT 512 +#define AVF_HMC_OBJ_SIZE_TXQ 128 +#define AVF_HMC_OBJ_SIZE_RXQ 32 +#define AVF_HMC_OBJ_SIZE_FCOE_CNTX 64 +#define AVF_HMC_OBJ_SIZE_FCOE_FILT 64 + +enum avf_hmc_lan_rsrc_type { + AVF_HMC_LAN_FULL = 0, + AVF_HMC_LAN_TX = 1, + AVF_HMC_LAN_RX = 2, + AVF_HMC_FCOE_CTX = 3, + AVF_HMC_FCOE_FILT = 4, + AVF_HMC_LAN_MAX = 5 +}; + +enum avf_hmc_model { + AVF_HMC_MODEL_DIRECT_PREFERRED = 0, + AVF_HMC_MODEL_DIRECT_ONLY = 1, + AVF_HMC_MODEL_PAGED_ONLY = 2, + AVF_HMC_MODEL_UNKNOWN, +}; + +struct avf_hmc_lan_create_obj_info { + struct avf_hmc_info *hmc_info; + u32 rsrc_type; + u32 start_idx; + u32 count; + enum avf_sd_entry_type entry_type; + u64 direct_mode_sz; +}; + +struct avf_hmc_lan_delete_obj_info { + struct avf_hmc_info *hmc_info; + u32 rsrc_type; + u32 start_idx; + u32 count; +}; + +enum avf_status_code avf_init_lan_hmc(struct avf_hw *hw, u32 txq_num, + u32 rxq_num, u32 fcoe_cntx_num, + u32 fcoe_filt_num); +enum avf_status_code avf_configure_lan_hmc(struct avf_hw *hw, + enum avf_hmc_model model); +enum avf_status_code avf_shutdown_lan_hmc(struct avf_hw *hw); + +u64 avf_calculate_l2fpm_size(u32 txq_num, u32 rxq_num, + u32 fcoe_cntx_num, u32 fcoe_filt_num); +enum avf_status_code avf_get_lan_tx_queue_context(struct avf_hw *hw, + u16 queue, + struct avf_hmc_obj_txq *s); +enum avf_status_code avf_clear_lan_tx_queue_context(struct avf_hw *hw, + u16 queue); +enum avf_status_code avf_set_lan_tx_queue_context(struct avf_hw *hw, + u16 queue, + struct avf_hmc_obj_txq *s); +enum avf_status_code avf_get_lan_rx_queue_context(struct avf_hw *hw, + u16 queue, + struct avf_hmc_obj_rxq *s); +enum avf_status_code avf_clear_lan_rx_queue_context(struct avf_hw *hw, + u16 queue); +enum avf_status_code avf_set_lan_rx_queue_context(struct avf_hw *hw, + u16 queue, + struct avf_hmc_obj_rxq *s); +enum avf_status_code avf_create_lan_hmc_object(struct avf_hw *hw, + struct avf_hmc_lan_create_obj_info *info); +enum avf_status_code avf_delete_lan_hmc_object(struct avf_hw *hw, + struct avf_hmc_lan_delete_obj_info *info); + +#endif /* _AVF_LAN_HMC_H_ */ |