145c98dacSZbigniew Bodek /*- 29eb1615fSMarcin Wojtas * SPDX-License-Identifier: BSD-3-Clause 345c98dacSZbigniew Bodek * 4*3fc5d816SMarcin Wojtas * Copyright (c) 2015-2021 Amazon.com, Inc. or its affiliates. 545c98dacSZbigniew Bodek * All rights reserved. 645c98dacSZbigniew Bodek * 745c98dacSZbigniew Bodek * Redistribution and use in source and binary forms, with or without 845c98dacSZbigniew Bodek * modification, are permitted provided that the following conditions 945c98dacSZbigniew Bodek * are met: 1045c98dacSZbigniew Bodek * 1145c98dacSZbigniew Bodek * * Redistributions of source code must retain the above copyright 1245c98dacSZbigniew Bodek * notice, this list of conditions and the following disclaimer. 1345c98dacSZbigniew Bodek * * Redistributions in binary form must reproduce the above copyright 1445c98dacSZbigniew Bodek * notice, this list of conditions and the following disclaimer in 1545c98dacSZbigniew Bodek * the documentation and/or other materials provided with the 1645c98dacSZbigniew Bodek * distribution. 1745c98dacSZbigniew Bodek * * Neither the name of copyright holder nor the names of its 1845c98dacSZbigniew Bodek * contributors may be used to endorse or promote products derived 1945c98dacSZbigniew Bodek * from this software without specific prior written permission. 2045c98dacSZbigniew Bodek * 2145c98dacSZbigniew Bodek * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2245c98dacSZbigniew Bodek * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2345c98dacSZbigniew Bodek * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2445c98dacSZbigniew Bodek * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2545c98dacSZbigniew Bodek * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2645c98dacSZbigniew Bodek * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2745c98dacSZbigniew Bodek * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2845c98dacSZbigniew Bodek * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2945c98dacSZbigniew Bodek * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3045c98dacSZbigniew Bodek * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3145c98dacSZbigniew Bodek * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3245c98dacSZbigniew Bodek */ 3345c98dacSZbigniew Bodek 3445c98dacSZbigniew Bodek #ifndef ENA_COM 3545c98dacSZbigniew Bodek #define ENA_COM 3645c98dacSZbigniew Bodek 3745c98dacSZbigniew Bodek #include "ena_plat.h" 3845c98dacSZbigniew Bodek 3945c98dacSZbigniew Bodek #define ENA_MAX_NUM_IO_QUEUES 128U 4045c98dacSZbigniew Bodek /* We need to queues for each IO (on for Tx and one for Rx) */ 4145c98dacSZbigniew Bodek #define ENA_TOTAL_NUM_QUEUES (2 * (ENA_MAX_NUM_IO_QUEUES)) 4245c98dacSZbigniew Bodek 4345c98dacSZbigniew Bodek #define ENA_MAX_HANDLERS 256 4445c98dacSZbigniew Bodek 4545c98dacSZbigniew Bodek #define ENA_MAX_PHYS_ADDR_SIZE_BITS 48 4645c98dacSZbigniew Bodek 4745c98dacSZbigniew Bodek /* Unit in usec */ 4845c98dacSZbigniew Bodek #define ENA_REG_READ_TIMEOUT 200000 4945c98dacSZbigniew Bodek 5045c98dacSZbigniew Bodek #define ADMIN_SQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_aq_entry)) 5145c98dacSZbigniew Bodek #define ADMIN_CQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_acq_entry)) 5245c98dacSZbigniew Bodek #define ADMIN_AENQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_aenq_entry)) 5345c98dacSZbigniew Bodek 5445c98dacSZbigniew Bodek /*****************************************************************************/ 5545c98dacSZbigniew Bodek /*****************************************************************************/ 5645c98dacSZbigniew Bodek /* ENA adaptive interrupt moderation settings */ 5745c98dacSZbigniew Bodek 588483b844SMarcin Wojtas #define ENA_INTR_INITIAL_TX_INTERVAL_USECS ENA_INTR_INITIAL_TX_INTERVAL_USECS_PLAT 598483b844SMarcin Wojtas #define ENA_INTR_INITIAL_RX_INTERVAL_USECS 0 608483b844SMarcin Wojtas #define ENA_DEFAULT_INTR_DELAY_RESOLUTION 1 6145c98dacSZbigniew Bodek 628483b844SMarcin Wojtas #define ENA_HASH_KEY_SIZE 40 6345c98dacSZbigniew Bodek 6445c98dacSZbigniew Bodek #define ENA_HW_HINTS_NO_TIMEOUT 0xFFFF 6545c98dacSZbigniew Bodek 6667ec48bbSMarcin Wojtas #define ENA_FEATURE_MAX_QUEUE_EXT_VER 1 6767ec48bbSMarcin Wojtas 6867ec48bbSMarcin Wojtas struct ena_llq_configurations { 6967ec48bbSMarcin Wojtas enum ena_admin_llq_header_location llq_header_location; 7067ec48bbSMarcin Wojtas enum ena_admin_llq_ring_entry_size llq_ring_entry_size; 7167ec48bbSMarcin Wojtas enum ena_admin_llq_stride_ctrl llq_stride_ctrl; 7267ec48bbSMarcin Wojtas enum ena_admin_llq_num_descs_before_header llq_num_decs_before_header; 7367ec48bbSMarcin Wojtas u16 llq_ring_entry_size_value; 7467ec48bbSMarcin Wojtas }; 7567ec48bbSMarcin Wojtas 7645c98dacSZbigniew Bodek enum queue_direction { 7745c98dacSZbigniew Bodek ENA_COM_IO_QUEUE_DIRECTION_TX, 7845c98dacSZbigniew Bodek ENA_COM_IO_QUEUE_DIRECTION_RX 7945c98dacSZbigniew Bodek }; 8045c98dacSZbigniew Bodek 8145c98dacSZbigniew Bodek struct ena_com_buf { 8245c98dacSZbigniew Bodek dma_addr_t paddr; /**< Buffer physical address */ 8345c98dacSZbigniew Bodek u16 len; /**< Buffer length in bytes */ 8445c98dacSZbigniew Bodek }; 8545c98dacSZbigniew Bodek 8645c98dacSZbigniew Bodek struct ena_com_rx_buf_info { 8745c98dacSZbigniew Bodek u16 len; 8845c98dacSZbigniew Bodek u16 req_id; 8945c98dacSZbigniew Bodek }; 9045c98dacSZbigniew Bodek 9145c98dacSZbigniew Bodek struct ena_com_io_desc_addr { 9245c98dacSZbigniew Bodek u8 __iomem *pbuf_dev_addr; /* LLQ address */ 9345c98dacSZbigniew Bodek u8 *virt_addr; 9445c98dacSZbigniew Bodek dma_addr_t phys_addr; 9545c98dacSZbigniew Bodek ena_mem_handle_t mem_handle; 9645c98dacSZbigniew Bodek }; 9745c98dacSZbigniew Bodek 9845c98dacSZbigniew Bodek struct ena_com_tx_meta { 9945c98dacSZbigniew Bodek u16 mss; 10045c98dacSZbigniew Bodek u16 l3_hdr_len; 10145c98dacSZbigniew Bodek u16 l3_hdr_offset; 10245c98dacSZbigniew Bodek u16 l4_hdr_len; /* In words */ 10345c98dacSZbigniew Bodek }; 10445c98dacSZbigniew Bodek 105a195fab0SMarcin Wojtas struct ena_com_llq_info { 10667ec48bbSMarcin Wojtas u16 header_location_ctrl; 107a195fab0SMarcin Wojtas u16 desc_stride_ctrl; 10867ec48bbSMarcin Wojtas u16 desc_list_entry_size_ctrl; 109a195fab0SMarcin Wojtas u16 desc_list_entry_size; 110a195fab0SMarcin Wojtas u16 descs_num_before_header; 111a195fab0SMarcin Wojtas u16 descs_per_entry; 11267ec48bbSMarcin Wojtas u16 max_entries_in_tx_burst; 1138483b844SMarcin Wojtas bool disable_meta_caching; 114a195fab0SMarcin Wojtas }; 115a195fab0SMarcin Wojtas 11645c98dacSZbigniew Bodek struct ena_com_io_cq { 11745c98dacSZbigniew Bodek struct ena_com_io_desc_addr cdesc_addr; 11845c98dacSZbigniew Bodek void *bus; 11945c98dacSZbigniew Bodek 12045c98dacSZbigniew Bodek /* Interrupt unmask register */ 12145c98dacSZbigniew Bodek u32 __iomem *unmask_reg; 12245c98dacSZbigniew Bodek 12345c98dacSZbigniew Bodek /* The completion queue head doorbell register */ 12445c98dacSZbigniew Bodek u32 __iomem *cq_head_db_reg; 12545c98dacSZbigniew Bodek 12645c98dacSZbigniew Bodek /* numa configuration register (for TPH) */ 12745c98dacSZbigniew Bodek u32 __iomem *numa_node_cfg_reg; 12845c98dacSZbigniew Bodek 12945c98dacSZbigniew Bodek /* The value to write to the above register to unmask 13045c98dacSZbigniew Bodek * the interrupt of this queue 13145c98dacSZbigniew Bodek */ 13245c98dacSZbigniew Bodek u32 msix_vector; 13345c98dacSZbigniew Bodek 13445c98dacSZbigniew Bodek enum queue_direction direction; 13545c98dacSZbigniew Bodek 13645c98dacSZbigniew Bodek /* holds the number of cdesc of the current packet */ 13745c98dacSZbigniew Bodek u16 cur_rx_pkt_cdesc_count; 13845c98dacSZbigniew Bodek /* save the firt cdesc idx of the current packet */ 13945c98dacSZbigniew Bodek u16 cur_rx_pkt_cdesc_start_idx; 14045c98dacSZbigniew Bodek 14145c98dacSZbigniew Bodek u16 q_depth; 14245c98dacSZbigniew Bodek /* Caller qid */ 14345c98dacSZbigniew Bodek u16 qid; 14445c98dacSZbigniew Bodek 14545c98dacSZbigniew Bodek /* Device queue index */ 14645c98dacSZbigniew Bodek u16 idx; 14745c98dacSZbigniew Bodek u16 head; 14845c98dacSZbigniew Bodek u16 last_head_update; 14945c98dacSZbigniew Bodek u8 phase; 15045c98dacSZbigniew Bodek u8 cdesc_entry_size_in_bytes; 15145c98dacSZbigniew Bodek 15245c98dacSZbigniew Bodek } ____cacheline_aligned; 15345c98dacSZbigniew Bodek 154a195fab0SMarcin Wojtas struct ena_com_io_bounce_buffer_control { 155a195fab0SMarcin Wojtas u8 *base_buffer; 156a195fab0SMarcin Wojtas u16 next_to_use; 157a195fab0SMarcin Wojtas u16 buffer_size; 158a195fab0SMarcin Wojtas u16 buffers_num; /* Must be a power of 2 */ 159a195fab0SMarcin Wojtas }; 160a195fab0SMarcin Wojtas 161a195fab0SMarcin Wojtas /* This struct is to keep tracking the current location of the next llq entry */ 162a195fab0SMarcin Wojtas struct ena_com_llq_pkt_ctrl { 163a195fab0SMarcin Wojtas u8 *curr_bounce_buf; 164a195fab0SMarcin Wojtas u16 idx; 165a195fab0SMarcin Wojtas u16 descs_left_in_line; 166a195fab0SMarcin Wojtas }; 167a195fab0SMarcin Wojtas 16845c98dacSZbigniew Bodek struct ena_com_io_sq { 16945c98dacSZbigniew Bodek struct ena_com_io_desc_addr desc_addr; 17045c98dacSZbigniew Bodek void *bus; 17145c98dacSZbigniew Bodek 17245c98dacSZbigniew Bodek u32 __iomem *db_addr; 17345c98dacSZbigniew Bodek u8 __iomem *header_addr; 17445c98dacSZbigniew Bodek 17545c98dacSZbigniew Bodek enum queue_direction direction; 17645c98dacSZbigniew Bodek enum ena_admin_placement_policy_type mem_queue_type; 17745c98dacSZbigniew Bodek 1788483b844SMarcin Wojtas bool disable_meta_caching; 1798483b844SMarcin Wojtas 18045c98dacSZbigniew Bodek u32 msix_vector; 18145c98dacSZbigniew Bodek struct ena_com_tx_meta cached_tx_meta; 182a195fab0SMarcin Wojtas struct ena_com_llq_info llq_info; 183a195fab0SMarcin Wojtas struct ena_com_llq_pkt_ctrl llq_buf_ctrl; 184a195fab0SMarcin Wojtas struct ena_com_io_bounce_buffer_control bounce_buf_ctrl; 18545c98dacSZbigniew Bodek 18645c98dacSZbigniew Bodek u16 q_depth; 18745c98dacSZbigniew Bodek u16 qid; 18845c98dacSZbigniew Bodek 18945c98dacSZbigniew Bodek u16 idx; 19045c98dacSZbigniew Bodek u16 tail; 19145c98dacSZbigniew Bodek u16 next_to_comp; 192a195fab0SMarcin Wojtas u16 llq_last_copy_tail; 19345c98dacSZbigniew Bodek u32 tx_max_header_size; 19445c98dacSZbigniew Bodek u8 phase; 19545c98dacSZbigniew Bodek u8 desc_entry_size; 19645c98dacSZbigniew Bodek u8 dma_addr_bits; 19767ec48bbSMarcin Wojtas u16 entries_in_tx_burst_left; 19845c98dacSZbigniew Bodek } ____cacheline_aligned; 19945c98dacSZbigniew Bodek 20045c98dacSZbigniew Bodek struct ena_com_admin_cq { 20145c98dacSZbigniew Bodek struct ena_admin_acq_entry *entries; 20245c98dacSZbigniew Bodek ena_mem_handle_t mem_handle; 20345c98dacSZbigniew Bodek dma_addr_t dma_addr; 20445c98dacSZbigniew Bodek 20545c98dacSZbigniew Bodek u16 head; 20645c98dacSZbigniew Bodek u8 phase; 20745c98dacSZbigniew Bodek }; 20845c98dacSZbigniew Bodek 20945c98dacSZbigniew Bodek struct ena_com_admin_sq { 21045c98dacSZbigniew Bodek struct ena_admin_aq_entry *entries; 21145c98dacSZbigniew Bodek ena_mem_handle_t mem_handle; 21245c98dacSZbigniew Bodek dma_addr_t dma_addr; 21345c98dacSZbigniew Bodek 21445c98dacSZbigniew Bodek u32 __iomem *db_addr; 21545c98dacSZbigniew Bodek 21645c98dacSZbigniew Bodek u16 head; 21745c98dacSZbigniew Bodek u16 tail; 21845c98dacSZbigniew Bodek u8 phase; 21945c98dacSZbigniew Bodek 22045c98dacSZbigniew Bodek }; 22145c98dacSZbigniew Bodek 22245c98dacSZbigniew Bodek struct ena_com_stats_admin { 2238483b844SMarcin Wojtas u64 aborted_cmd; 2248483b844SMarcin Wojtas u64 submitted_cmd; 2258483b844SMarcin Wojtas u64 completed_cmd; 2268483b844SMarcin Wojtas u64 out_of_space; 2278483b844SMarcin Wojtas u64 no_completion; 22845c98dacSZbigniew Bodek }; 22945c98dacSZbigniew Bodek 23045c98dacSZbigniew Bodek struct ena_com_admin_queue { 23145c98dacSZbigniew Bodek void *q_dmadev; 23245c98dacSZbigniew Bodek void *bus; 2338483b844SMarcin Wojtas struct ena_com_dev *ena_dev; 23445c98dacSZbigniew Bodek ena_spinlock_t q_lock; /* spinlock for the admin queue */ 23545c98dacSZbigniew Bodek 23645c98dacSZbigniew Bodek struct ena_comp_ctx *comp_ctx; 23745c98dacSZbigniew Bodek u32 completion_timeout; 23845c98dacSZbigniew Bodek u16 q_depth; 23945c98dacSZbigniew Bodek struct ena_com_admin_cq cq; 24045c98dacSZbigniew Bodek struct ena_com_admin_sq sq; 24145c98dacSZbigniew Bodek 24245c98dacSZbigniew Bodek /* Indicate if the admin queue should poll for completion */ 24345c98dacSZbigniew Bodek bool polling; 24445c98dacSZbigniew Bodek 2458483b844SMarcin Wojtas /* Define if fallback to polling mode should occur */ 2468483b844SMarcin Wojtas bool auto_polling; 2478483b844SMarcin Wojtas 24845c98dacSZbigniew Bodek u16 curr_cmd_id; 24945c98dacSZbigniew Bodek 25045c98dacSZbigniew Bodek /* Indicate that the ena was initialized and can 25145c98dacSZbigniew Bodek * process new admin commands 25245c98dacSZbigniew Bodek */ 25345c98dacSZbigniew Bodek bool running_state; 25445c98dacSZbigniew Bodek 25545c98dacSZbigniew Bodek /* Count the number of outstanding admin commands */ 25645c98dacSZbigniew Bodek ena_atomic32_t outstanding_cmds; 25745c98dacSZbigniew Bodek 25845c98dacSZbigniew Bodek struct ena_com_stats_admin stats; 25945c98dacSZbigniew Bodek }; 26045c98dacSZbigniew Bodek 26145c98dacSZbigniew Bodek struct ena_aenq_handlers; 26245c98dacSZbigniew Bodek 26345c98dacSZbigniew Bodek struct ena_com_aenq { 26445c98dacSZbigniew Bodek u16 head; 26545c98dacSZbigniew Bodek u8 phase; 26645c98dacSZbigniew Bodek struct ena_admin_aenq_entry *entries; 26745c98dacSZbigniew Bodek dma_addr_t dma_addr; 26845c98dacSZbigniew Bodek ena_mem_handle_t mem_handle; 26945c98dacSZbigniew Bodek u16 q_depth; 27045c98dacSZbigniew Bodek struct ena_aenq_handlers *aenq_handlers; 27145c98dacSZbigniew Bodek }; 27245c98dacSZbigniew Bodek 27345c98dacSZbigniew Bodek struct ena_com_mmio_read { 27445c98dacSZbigniew Bodek struct ena_admin_ena_mmio_req_read_less_resp *read_resp; 27545c98dacSZbigniew Bodek dma_addr_t read_resp_dma_addr; 27645c98dacSZbigniew Bodek ena_mem_handle_t read_resp_mem_handle; 27745c98dacSZbigniew Bodek u32 reg_read_to; /* in us */ 27845c98dacSZbigniew Bodek u16 seq_num; 27945c98dacSZbigniew Bodek bool readless_supported; 28045c98dacSZbigniew Bodek /* spin lock to ensure a single outstanding read */ 28145c98dacSZbigniew Bodek ena_spinlock_t lock; 28245c98dacSZbigniew Bodek }; 28345c98dacSZbigniew Bodek 28445c98dacSZbigniew Bodek struct ena_rss { 28545c98dacSZbigniew Bodek /* Indirect table */ 28645c98dacSZbigniew Bodek u16 *host_rss_ind_tbl; 28745c98dacSZbigniew Bodek struct ena_admin_rss_ind_table_entry *rss_ind_tbl; 28845c98dacSZbigniew Bodek dma_addr_t rss_ind_tbl_dma_addr; 28945c98dacSZbigniew Bodek ena_mem_handle_t rss_ind_tbl_mem_handle; 29045c98dacSZbigniew Bodek u16 tbl_log_size; 29145c98dacSZbigniew Bodek 29245c98dacSZbigniew Bodek /* Hash key */ 29345c98dacSZbigniew Bodek enum ena_admin_hash_functions hash_func; 29445c98dacSZbigniew Bodek struct ena_admin_feature_rss_flow_hash_control *hash_key; 29545c98dacSZbigniew Bodek dma_addr_t hash_key_dma_addr; 29645c98dacSZbigniew Bodek ena_mem_handle_t hash_key_mem_handle; 29745c98dacSZbigniew Bodek u32 hash_init_val; 29845c98dacSZbigniew Bodek 29945c98dacSZbigniew Bodek /* Flow Control */ 30045c98dacSZbigniew Bodek struct ena_admin_feature_rss_hash_control *hash_ctrl; 30145c98dacSZbigniew Bodek dma_addr_t hash_ctrl_dma_addr; 30245c98dacSZbigniew Bodek ena_mem_handle_t hash_ctrl_mem_handle; 30345c98dacSZbigniew Bodek 30445c98dacSZbigniew Bodek }; 30545c98dacSZbigniew Bodek 30645c98dacSZbigniew Bodek struct ena_host_attribute { 30745c98dacSZbigniew Bodek /* Debug area */ 30845c98dacSZbigniew Bodek u8 *debug_area_virt_addr; 30945c98dacSZbigniew Bodek dma_addr_t debug_area_dma_addr; 31045c98dacSZbigniew Bodek ena_mem_handle_t debug_area_dma_handle; 31145c98dacSZbigniew Bodek u32 debug_area_size; 31245c98dacSZbigniew Bodek 31345c98dacSZbigniew Bodek /* Host information */ 31445c98dacSZbigniew Bodek struct ena_admin_host_info *host_info; 31545c98dacSZbigniew Bodek dma_addr_t host_info_dma_addr; 31645c98dacSZbigniew Bodek ena_mem_handle_t host_info_dma_handle; 31745c98dacSZbigniew Bodek }; 31845c98dacSZbigniew Bodek 31945c98dacSZbigniew Bodek /* Each ena_dev is a PCI function. */ 32045c98dacSZbigniew Bodek struct ena_com_dev { 32145c98dacSZbigniew Bodek struct ena_com_admin_queue admin_queue; 32245c98dacSZbigniew Bodek struct ena_com_aenq aenq; 32345c98dacSZbigniew Bodek struct ena_com_io_cq io_cq_queues[ENA_TOTAL_NUM_QUEUES]; 32445c98dacSZbigniew Bodek struct ena_com_io_sq io_sq_queues[ENA_TOTAL_NUM_QUEUES]; 32545c98dacSZbigniew Bodek u8 __iomem *reg_bar; 32645c98dacSZbigniew Bodek void __iomem *mem_bar; 32745c98dacSZbigniew Bodek void *dmadev; 32845c98dacSZbigniew Bodek void *bus; 3299eb1615fSMarcin Wojtas ena_netdev *net_device; 330a195fab0SMarcin Wojtas 33145c98dacSZbigniew Bodek enum ena_admin_placement_policy_type tx_mem_queue_type; 33245c98dacSZbigniew Bodek u32 tx_max_header_size; 33345c98dacSZbigniew Bodek u16 stats_func; /* Selected function for extended statistic dump */ 33445c98dacSZbigniew Bodek u16 stats_queue; /* Selected queue for extended statistic dump */ 33545c98dacSZbigniew Bodek 33645c98dacSZbigniew Bodek struct ena_com_mmio_read mmio_read; 33745c98dacSZbigniew Bodek 33845c98dacSZbigniew Bodek struct ena_rss rss; 33945c98dacSZbigniew Bodek u32 supported_features; 34045c98dacSZbigniew Bodek u32 dma_addr_bits; 34145c98dacSZbigniew Bodek 34245c98dacSZbigniew Bodek struct ena_host_attribute host_attr; 34345c98dacSZbigniew Bodek bool adaptive_coalescing; 34445c98dacSZbigniew Bodek u16 intr_delay_resolution; 3458483b844SMarcin Wojtas 3468483b844SMarcin Wojtas /* interrupt moderation intervals are in usec divided by 3478483b844SMarcin Wojtas * intr_delay_resolution, which is supplied by the device. 3488483b844SMarcin Wojtas */ 34945c98dacSZbigniew Bodek u32 intr_moder_tx_interval; 3508483b844SMarcin Wojtas u32 intr_moder_rx_interval; 3518483b844SMarcin Wojtas 35245c98dacSZbigniew Bodek struct ena_intr_moder_entry *intr_moder_tbl; 353a195fab0SMarcin Wojtas 354a195fab0SMarcin Wojtas struct ena_com_llq_info llq_info; 3558483b844SMarcin Wojtas 3568483b844SMarcin Wojtas u32 ena_min_poll_delay_us; 35745c98dacSZbigniew Bodek }; 35845c98dacSZbigniew Bodek 35945c98dacSZbigniew Bodek struct ena_com_dev_get_features_ctx { 36045c98dacSZbigniew Bodek struct ena_admin_queue_feature_desc max_queues; 36167ec48bbSMarcin Wojtas struct ena_admin_queue_ext_feature_desc max_queue_ext; 36245c98dacSZbigniew Bodek struct ena_admin_device_attr_feature_desc dev_attr; 36345c98dacSZbigniew Bodek struct ena_admin_feature_aenq_desc aenq; 36445c98dacSZbigniew Bodek struct ena_admin_feature_offload_desc offload; 36545c98dacSZbigniew Bodek struct ena_admin_ena_hw_hints hw_hints; 366a195fab0SMarcin Wojtas struct ena_admin_feature_llq_desc llq; 36745c98dacSZbigniew Bodek }; 36845c98dacSZbigniew Bodek 36945c98dacSZbigniew Bodek struct ena_com_create_io_ctx { 37045c98dacSZbigniew Bodek enum ena_admin_placement_policy_type mem_queue_type; 37145c98dacSZbigniew Bodek enum queue_direction direction; 37245c98dacSZbigniew Bodek int numa_node; 37345c98dacSZbigniew Bodek u32 msix_vector; 37445c98dacSZbigniew Bodek u16 queue_size; 37545c98dacSZbigniew Bodek u16 qid; 37645c98dacSZbigniew Bodek }; 37745c98dacSZbigniew Bodek 37845c98dacSZbigniew Bodek typedef void (*ena_aenq_handler)(void *data, 37945c98dacSZbigniew Bodek struct ena_admin_aenq_entry *aenq_e); 38045c98dacSZbigniew Bodek 38145c98dacSZbigniew Bodek /* Holds aenq handlers. Indexed by AENQ event group */ 38245c98dacSZbigniew Bodek struct ena_aenq_handlers { 38345c98dacSZbigniew Bodek ena_aenq_handler handlers[ENA_MAX_HANDLERS]; 38445c98dacSZbigniew Bodek ena_aenq_handler unimplemented_handler; 38545c98dacSZbigniew Bodek }; 38645c98dacSZbigniew Bodek 38745c98dacSZbigniew Bodek /*****************************************************************************/ 38845c98dacSZbigniew Bodek /*****************************************************************************/ 38945c98dacSZbigniew Bodek #if defined(__cplusplus) 39045c98dacSZbigniew Bodek extern "C" { 39145c98dacSZbigniew Bodek #endif 39245c98dacSZbigniew Bodek 39345c98dacSZbigniew Bodek /* ena_com_mmio_reg_read_request_init - Init the mmio reg read mechanism 39445c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 39545c98dacSZbigniew Bodek * 39645c98dacSZbigniew Bodek * Initialize the register read mechanism. 39745c98dacSZbigniew Bodek * 39845c98dacSZbigniew Bodek * @note: This method must be the first stage in the initialization sequence. 39945c98dacSZbigniew Bodek * 40045c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 40145c98dacSZbigniew Bodek */ 40245c98dacSZbigniew Bodek int ena_com_mmio_reg_read_request_init(struct ena_com_dev *ena_dev); 40345c98dacSZbigniew Bodek 4048483b844SMarcin Wojtas /* ena_com_set_mmio_read_mode - Enable/disable the indirect mmio reg read mechanism 40545c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 40645c98dacSZbigniew Bodek * @readless_supported: readless mode (enable/disable) 40745c98dacSZbigniew Bodek */ 40845c98dacSZbigniew Bodek void ena_com_set_mmio_read_mode(struct ena_com_dev *ena_dev, 40945c98dacSZbigniew Bodek bool readless_supported); 41045c98dacSZbigniew Bodek 41145c98dacSZbigniew Bodek /* ena_com_mmio_reg_read_request_write_dev_addr - Write the mmio reg read return 41245c98dacSZbigniew Bodek * value physical address. 41345c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 41445c98dacSZbigniew Bodek */ 41545c98dacSZbigniew Bodek void ena_com_mmio_reg_read_request_write_dev_addr(struct ena_com_dev *ena_dev); 41645c98dacSZbigniew Bodek 41745c98dacSZbigniew Bodek /* ena_com_mmio_reg_read_request_destroy - Destroy the mmio reg read mechanism 41845c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 41945c98dacSZbigniew Bodek */ 42045c98dacSZbigniew Bodek void ena_com_mmio_reg_read_request_destroy(struct ena_com_dev *ena_dev); 42145c98dacSZbigniew Bodek 42245c98dacSZbigniew Bodek /* ena_com_admin_init - Init the admin and the async queues 42345c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 42445c98dacSZbigniew Bodek * @aenq_handlers: Those handlers to be called upon event. 42545c98dacSZbigniew Bodek * 42645c98dacSZbigniew Bodek * Initialize the admin submission and completion queues. 42745c98dacSZbigniew Bodek * Initialize the asynchronous events notification queues. 42845c98dacSZbigniew Bodek * 42945c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 43045c98dacSZbigniew Bodek */ 43145c98dacSZbigniew Bodek int ena_com_admin_init(struct ena_com_dev *ena_dev, 43267ec48bbSMarcin Wojtas struct ena_aenq_handlers *aenq_handlers); 43345c98dacSZbigniew Bodek 43445c98dacSZbigniew Bodek /* ena_com_admin_destroy - Destroy the admin and the async events queues. 43545c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 43645c98dacSZbigniew Bodek * 43745c98dacSZbigniew Bodek * @note: Before calling this method, the caller must validate that the device 43845c98dacSZbigniew Bodek * won't send any additional admin completions/aenq. 43945c98dacSZbigniew Bodek * To achieve that, a FLR is recommended. 44045c98dacSZbigniew Bodek */ 44145c98dacSZbigniew Bodek void ena_com_admin_destroy(struct ena_com_dev *ena_dev); 44245c98dacSZbigniew Bodek 44345c98dacSZbigniew Bodek /* ena_com_dev_reset - Perform device FLR to the device. 44445c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 445a195fab0SMarcin Wojtas * @reset_reason: Specify what is the trigger for the reset in case of an error. 44645c98dacSZbigniew Bodek * 44745c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 44845c98dacSZbigniew Bodek */ 449a195fab0SMarcin Wojtas int ena_com_dev_reset(struct ena_com_dev *ena_dev, 450a195fab0SMarcin Wojtas enum ena_regs_reset_reason_types reset_reason); 45145c98dacSZbigniew Bodek 45245c98dacSZbigniew Bodek /* ena_com_create_io_queue - Create io queue. 45345c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 45445c98dacSZbigniew Bodek * @ctx - create context structure 45545c98dacSZbigniew Bodek * 45645c98dacSZbigniew Bodek * Create the submission and the completion queues. 45745c98dacSZbigniew Bodek * 45845c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 45945c98dacSZbigniew Bodek */ 46045c98dacSZbigniew Bodek int ena_com_create_io_queue(struct ena_com_dev *ena_dev, 46145c98dacSZbigniew Bodek struct ena_com_create_io_ctx *ctx); 46245c98dacSZbigniew Bodek 46345c98dacSZbigniew Bodek /* ena_com_destroy_io_queue - Destroy IO queue with the queue id - qid. 46445c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 46545c98dacSZbigniew Bodek * @qid - the caller virtual queue id. 46645c98dacSZbigniew Bodek */ 46745c98dacSZbigniew Bodek void ena_com_destroy_io_queue(struct ena_com_dev *ena_dev, u16 qid); 46845c98dacSZbigniew Bodek 46945c98dacSZbigniew Bodek /* ena_com_get_io_handlers - Return the io queue handlers 47045c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 47145c98dacSZbigniew Bodek * @qid - the caller virtual queue id. 47245c98dacSZbigniew Bodek * @io_sq - IO submission queue handler 47345c98dacSZbigniew Bodek * @io_cq - IO completion queue handler. 47445c98dacSZbigniew Bodek * 47545c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 47645c98dacSZbigniew Bodek */ 47745c98dacSZbigniew Bodek int ena_com_get_io_handlers(struct ena_com_dev *ena_dev, u16 qid, 47845c98dacSZbigniew Bodek struct ena_com_io_sq **io_sq, 47945c98dacSZbigniew Bodek struct ena_com_io_cq **io_cq); 48045c98dacSZbigniew Bodek 48145c98dacSZbigniew Bodek /* ena_com_admin_aenq_enable - ENAble asynchronous event notifications 48245c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 48345c98dacSZbigniew Bodek * 48445c98dacSZbigniew Bodek * After this method, aenq event can be received via AENQ. 48545c98dacSZbigniew Bodek */ 48645c98dacSZbigniew Bodek void ena_com_admin_aenq_enable(struct ena_com_dev *ena_dev); 48745c98dacSZbigniew Bodek 48845c98dacSZbigniew Bodek /* ena_com_set_admin_running_state - Set the state of the admin queue 48945c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 49045c98dacSZbigniew Bodek * 49145c98dacSZbigniew Bodek * Change the state of the admin queue (enable/disable) 49245c98dacSZbigniew Bodek */ 49345c98dacSZbigniew Bodek void ena_com_set_admin_running_state(struct ena_com_dev *ena_dev, bool state); 49445c98dacSZbigniew Bodek 49545c98dacSZbigniew Bodek /* ena_com_get_admin_running_state - Get the admin queue state 49645c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 49745c98dacSZbigniew Bodek * 49845c98dacSZbigniew Bodek * Retrieve the state of the admin queue (enable/disable) 49945c98dacSZbigniew Bodek * 50045c98dacSZbigniew Bodek * @return - current polling mode (enable/disable) 50145c98dacSZbigniew Bodek */ 50245c98dacSZbigniew Bodek bool ena_com_get_admin_running_state(struct ena_com_dev *ena_dev); 50345c98dacSZbigniew Bodek 50445c98dacSZbigniew Bodek /* ena_com_set_admin_polling_mode - Set the admin completion queue polling mode 50545c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 50645c98dacSZbigniew Bodek * @polling: ENAble/Disable polling mode 50745c98dacSZbigniew Bodek * 50845c98dacSZbigniew Bodek * Set the admin completion mode. 50945c98dacSZbigniew Bodek */ 51045c98dacSZbigniew Bodek void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling); 51145c98dacSZbigniew Bodek 5128483b844SMarcin Wojtas /* ena_com_get_admin_polling_mode - Get the admin completion queue polling mode 51345c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 51445c98dacSZbigniew Bodek * 51545c98dacSZbigniew Bodek * Get the admin completion mode. 51645c98dacSZbigniew Bodek * If polling mode is on, ena_com_execute_admin_command will perform a 51745c98dacSZbigniew Bodek * polling on the admin completion queue for the commands completion, 51845c98dacSZbigniew Bodek * otherwise it will wait on wait event. 51945c98dacSZbigniew Bodek * 52045c98dacSZbigniew Bodek * @return state 52145c98dacSZbigniew Bodek */ 5228483b844SMarcin Wojtas bool ena_com_get_admin_polling_mode(struct ena_com_dev *ena_dev); 5238483b844SMarcin Wojtas 5248483b844SMarcin Wojtas /* ena_com_set_admin_auto_polling_mode - Enable autoswitch to polling mode 5258483b844SMarcin Wojtas * @ena_dev: ENA communication layer struct 5268483b844SMarcin Wojtas * @polling: Enable/Disable polling mode 5278483b844SMarcin Wojtas * 5288483b844SMarcin Wojtas * Set the autopolling mode. 5298483b844SMarcin Wojtas * If autopolling is on: 5308483b844SMarcin Wojtas * In case of missing interrupt when data is available switch to polling. 5318483b844SMarcin Wojtas */ 5328483b844SMarcin Wojtas void ena_com_set_admin_auto_polling_mode(struct ena_com_dev *ena_dev, 5338483b844SMarcin Wojtas bool polling); 53445c98dacSZbigniew Bodek 53545c98dacSZbigniew Bodek /* ena_com_admin_q_comp_intr_handler - admin queue interrupt handler 53645c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 53745c98dacSZbigniew Bodek * 5388483b844SMarcin Wojtas * This method goes over the admin completion queue and wakes up all the pending 53945c98dacSZbigniew Bodek * threads that wait on the commands wait event. 54045c98dacSZbigniew Bodek * 54145c98dacSZbigniew Bodek * @note: Should be called after MSI-X interrupt. 54245c98dacSZbigniew Bodek */ 54345c98dacSZbigniew Bodek void ena_com_admin_q_comp_intr_handler(struct ena_com_dev *ena_dev); 54445c98dacSZbigniew Bodek 54545c98dacSZbigniew Bodek /* ena_com_aenq_intr_handler - AENQ interrupt handler 54645c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 54745c98dacSZbigniew Bodek * 5488483b844SMarcin Wojtas * This method goes over the async event notification queue and calls the proper 54945c98dacSZbigniew Bodek * aenq handler. 55045c98dacSZbigniew Bodek */ 5519eb1615fSMarcin Wojtas void ena_com_aenq_intr_handler(struct ena_com_dev *ena_dev, void *data); 55245c98dacSZbigniew Bodek 55345c98dacSZbigniew Bodek /* ena_com_abort_admin_commands - Abort all the outstanding admin commands. 55445c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 55545c98dacSZbigniew Bodek * 55645c98dacSZbigniew Bodek * This method aborts all the outstanding admin commands. 55745c98dacSZbigniew Bodek * The caller should then call ena_com_wait_for_abort_completion to make sure 55845c98dacSZbigniew Bodek * all the commands were completed. 55945c98dacSZbigniew Bodek */ 56045c98dacSZbigniew Bodek void ena_com_abort_admin_commands(struct ena_com_dev *ena_dev); 56145c98dacSZbigniew Bodek 56245c98dacSZbigniew Bodek /* ena_com_wait_for_abort_completion - Wait for admin commands abort. 56345c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 56445c98dacSZbigniew Bodek * 5658483b844SMarcin Wojtas * This method waits until all the outstanding admin commands are completed. 56645c98dacSZbigniew Bodek */ 56745c98dacSZbigniew Bodek void ena_com_wait_for_abort_completion(struct ena_com_dev *ena_dev); 56845c98dacSZbigniew Bodek 56945c98dacSZbigniew Bodek /* ena_com_validate_version - Validate the device parameters 57045c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 57145c98dacSZbigniew Bodek * 5728483b844SMarcin Wojtas * This method verifies the device parameters are the same as the saved 57345c98dacSZbigniew Bodek * parameters in ena_dev. 57445c98dacSZbigniew Bodek * This method is useful after device reset, to validate the device mac address 57545c98dacSZbigniew Bodek * and the device offloads are the same as before the reset. 57645c98dacSZbigniew Bodek * 57745c98dacSZbigniew Bodek * @return - 0 on success negative value otherwise. 57845c98dacSZbigniew Bodek */ 57945c98dacSZbigniew Bodek int ena_com_validate_version(struct ena_com_dev *ena_dev); 58045c98dacSZbigniew Bodek 58145c98dacSZbigniew Bodek /* ena_com_get_link_params - Retrieve physical link parameters. 58245c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 58345c98dacSZbigniew Bodek * @resp: Link parameters 58445c98dacSZbigniew Bodek * 58545c98dacSZbigniew Bodek * Retrieve the physical link parameters, 58645c98dacSZbigniew Bodek * like speed, auto-negotiation and full duplex support. 58745c98dacSZbigniew Bodek * 58845c98dacSZbigniew Bodek * @return - 0 on Success negative value otherwise. 58945c98dacSZbigniew Bodek */ 59045c98dacSZbigniew Bodek int ena_com_get_link_params(struct ena_com_dev *ena_dev, 59145c98dacSZbigniew Bodek struct ena_admin_get_feat_resp *resp); 59245c98dacSZbigniew Bodek 59345c98dacSZbigniew Bodek /* ena_com_get_dma_width - Retrieve physical dma address width the device 59445c98dacSZbigniew Bodek * supports. 59545c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 59645c98dacSZbigniew Bodek * 59745c98dacSZbigniew Bodek * Retrieve the maximum physical address bits the device can handle. 59845c98dacSZbigniew Bodek * 59945c98dacSZbigniew Bodek * @return: > 0 on Success and negative value otherwise. 60045c98dacSZbigniew Bodek */ 60145c98dacSZbigniew Bodek int ena_com_get_dma_width(struct ena_com_dev *ena_dev); 60245c98dacSZbigniew Bodek 60345c98dacSZbigniew Bodek /* ena_com_set_aenq_config - Set aenq groups configurations 60445c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 60545c98dacSZbigniew Bodek * @groups flag: bit fields flags of enum ena_admin_aenq_group. 60645c98dacSZbigniew Bodek * 60745c98dacSZbigniew Bodek * Configure which aenq event group the driver would like to receive. 60845c98dacSZbigniew Bodek * 60945c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 61045c98dacSZbigniew Bodek */ 61145c98dacSZbigniew Bodek int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag); 61245c98dacSZbigniew Bodek 61345c98dacSZbigniew Bodek /* ena_com_get_dev_attr_feat - Get device features 61445c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 61545c98dacSZbigniew Bodek * @get_feat_ctx: returned context that contain the get features. 61645c98dacSZbigniew Bodek * 61745c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 61845c98dacSZbigniew Bodek */ 61945c98dacSZbigniew Bodek int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, 62045c98dacSZbigniew Bodek struct ena_com_dev_get_features_ctx *get_feat_ctx); 62145c98dacSZbigniew Bodek 62245c98dacSZbigniew Bodek /* ena_com_get_dev_basic_stats - Get device basic statistics 62345c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 62445c98dacSZbigniew Bodek * @stats: stats return value 62545c98dacSZbigniew Bodek * 62645c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 62745c98dacSZbigniew Bodek */ 62845c98dacSZbigniew Bodek int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev, 62945c98dacSZbigniew Bodek struct ena_admin_basic_stats *stats); 63045c98dacSZbigniew Bodek 6319eb1615fSMarcin Wojtas /* ena_com_get_eni_stats - Get extended network interface statistics 6329eb1615fSMarcin Wojtas * @ena_dev: ENA communication layer struct 6339eb1615fSMarcin Wojtas * @stats: stats return value 6349eb1615fSMarcin Wojtas * 6359eb1615fSMarcin Wojtas * @return: 0 on Success and negative value otherwise. 6369eb1615fSMarcin Wojtas */ 6379eb1615fSMarcin Wojtas int ena_com_get_eni_stats(struct ena_com_dev *ena_dev, 6389eb1615fSMarcin Wojtas struct ena_admin_eni_stats *stats); 6399eb1615fSMarcin Wojtas 64045c98dacSZbigniew Bodek /* ena_com_set_dev_mtu - Configure the device mtu. 64145c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 64245c98dacSZbigniew Bodek * @mtu: mtu value 64345c98dacSZbigniew Bodek * 64445c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 64545c98dacSZbigniew Bodek */ 646*3fc5d816SMarcin Wojtas int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, u32 mtu); 64745c98dacSZbigniew Bodek 64845c98dacSZbigniew Bodek /* ena_com_get_offload_settings - Retrieve the device offloads capabilities 64945c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 65045c98dacSZbigniew Bodek * @offlad: offload return value 65145c98dacSZbigniew Bodek * 65245c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 65345c98dacSZbigniew Bodek */ 65445c98dacSZbigniew Bodek int ena_com_get_offload_settings(struct ena_com_dev *ena_dev, 65545c98dacSZbigniew Bodek struct ena_admin_feature_offload_desc *offload); 65645c98dacSZbigniew Bodek 65745c98dacSZbigniew Bodek /* ena_com_rss_init - Init RSS 65845c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 65945c98dacSZbigniew Bodek * @log_size: indirection log size 66045c98dacSZbigniew Bodek * 66145c98dacSZbigniew Bodek * Allocate RSS/RFS resources. 66245c98dacSZbigniew Bodek * The caller then can configure rss using ena_com_set_hash_function, 66345c98dacSZbigniew Bodek * ena_com_set_hash_ctrl and ena_com_indirect_table_set. 66445c98dacSZbigniew Bodek * 66545c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 66645c98dacSZbigniew Bodek */ 66745c98dacSZbigniew Bodek int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 log_size); 66845c98dacSZbigniew Bodek 66945c98dacSZbigniew Bodek /* ena_com_rss_destroy - Destroy rss 67045c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 67145c98dacSZbigniew Bodek * 67245c98dacSZbigniew Bodek * Free all the RSS/RFS resources. 67345c98dacSZbigniew Bodek */ 67445c98dacSZbigniew Bodek void ena_com_rss_destroy(struct ena_com_dev *ena_dev); 67545c98dacSZbigniew Bodek 6768483b844SMarcin Wojtas /* ena_com_get_current_hash_function - Get RSS hash function 6778483b844SMarcin Wojtas * @ena_dev: ENA communication layer struct 6788483b844SMarcin Wojtas * 6798483b844SMarcin Wojtas * Return the current hash function. 6808483b844SMarcin Wojtas * @return: 0 or one of the ena_admin_hash_functions values. 6818483b844SMarcin Wojtas */ 6828483b844SMarcin Wojtas int ena_com_get_current_hash_function(struct ena_com_dev *ena_dev); 6838483b844SMarcin Wojtas 68445c98dacSZbigniew Bodek /* ena_com_fill_hash_function - Fill RSS hash function 68545c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 68645c98dacSZbigniew Bodek * @func: The hash function (Toeplitz or crc) 68745c98dacSZbigniew Bodek * @key: Hash key (for toeplitz hash) 68845c98dacSZbigniew Bodek * @key_len: key length (max length 10 DW) 68945c98dacSZbigniew Bodek * @init_val: initial value for the hash function 69045c98dacSZbigniew Bodek * 69145c98dacSZbigniew Bodek * Fill the ena_dev resources with the desire hash function, hash key, key_len 69245c98dacSZbigniew Bodek * and key initial value (if needed by the hash function). 69345c98dacSZbigniew Bodek * To flush the key into the device the caller should call 69445c98dacSZbigniew Bodek * ena_com_set_hash_function. 69545c98dacSZbigniew Bodek * 69645c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 69745c98dacSZbigniew Bodek */ 69845c98dacSZbigniew Bodek int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, 69945c98dacSZbigniew Bodek enum ena_admin_hash_functions func, 70045c98dacSZbigniew Bodek const u8 *key, u16 key_len, u32 init_val); 70145c98dacSZbigniew Bodek 70245c98dacSZbigniew Bodek /* ena_com_set_hash_function - Flush the hash function and it dependencies to 70345c98dacSZbigniew Bodek * the device. 70445c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 70545c98dacSZbigniew Bodek * 70645c98dacSZbigniew Bodek * Flush the hash function and it dependencies (key, key length and 70745c98dacSZbigniew Bodek * initial value) if needed. 70845c98dacSZbigniew Bodek * 70945c98dacSZbigniew Bodek * @note: Prior to this method the caller should call ena_com_fill_hash_function 71045c98dacSZbigniew Bodek * 71145c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 71245c98dacSZbigniew Bodek */ 71345c98dacSZbigniew Bodek int ena_com_set_hash_function(struct ena_com_dev *ena_dev); 71445c98dacSZbigniew Bodek 7158483b844SMarcin Wojtas /* ena_com_get_hash_function - Retrieve the hash function from the device. 71645c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 71745c98dacSZbigniew Bodek * @func: hash function 71845c98dacSZbigniew Bodek * 7198483b844SMarcin Wojtas * Retrieve the hash function from the device. 72045c98dacSZbigniew Bodek * 7218483b844SMarcin Wojtas * @note: If the caller called ena_com_fill_hash_function but didn't flush 72245c98dacSZbigniew Bodek * it to the device, the new configuration will be lost. 72345c98dacSZbigniew Bodek * 72445c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 72545c98dacSZbigniew Bodek */ 72645c98dacSZbigniew Bodek int ena_com_get_hash_function(struct ena_com_dev *ena_dev, 7278483b844SMarcin Wojtas enum ena_admin_hash_functions *func); 72845c98dacSZbigniew Bodek 7298483b844SMarcin Wojtas /* ena_com_get_hash_key - Retrieve the hash key 7308483b844SMarcin Wojtas * @ena_dev: ENA communication layer struct 7318483b844SMarcin Wojtas * @key: hash key 7328483b844SMarcin Wojtas * 7338483b844SMarcin Wojtas * Retrieve the hash key. 7348483b844SMarcin Wojtas * 7358483b844SMarcin Wojtas * @note: If the caller called ena_com_fill_hash_key but didn't flush 7368483b844SMarcin Wojtas * it to the device, the new configuration will be lost. 7378483b844SMarcin Wojtas * 7388483b844SMarcin Wojtas * @return: 0 on Success and negative value otherwise. 7398483b844SMarcin Wojtas */ 7408483b844SMarcin Wojtas int ena_com_get_hash_key(struct ena_com_dev *ena_dev, u8 *key); 74145c98dacSZbigniew Bodek /* ena_com_fill_hash_ctrl - Fill RSS hash control 74245c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct. 74345c98dacSZbigniew Bodek * @proto: The protocol to configure. 74445c98dacSZbigniew Bodek * @hash_fields: bit mask of ena_admin_flow_hash_fields 74545c98dacSZbigniew Bodek * 74645c98dacSZbigniew Bodek * Fill the ena_dev resources with the desire hash control (the ethernet 74745c98dacSZbigniew Bodek * fields that take part of the hash) for a specific protocol. 74845c98dacSZbigniew Bodek * To flush the hash control to the device, the caller should call 74945c98dacSZbigniew Bodek * ena_com_set_hash_ctrl. 75045c98dacSZbigniew Bodek * 75145c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 75245c98dacSZbigniew Bodek */ 75345c98dacSZbigniew Bodek int ena_com_fill_hash_ctrl(struct ena_com_dev *ena_dev, 75445c98dacSZbigniew Bodek enum ena_admin_flow_hash_proto proto, 75545c98dacSZbigniew Bodek u16 hash_fields); 75645c98dacSZbigniew Bodek 75745c98dacSZbigniew Bodek /* ena_com_set_hash_ctrl - Flush the hash control resources to the device. 75845c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 75945c98dacSZbigniew Bodek * 76045c98dacSZbigniew Bodek * Flush the hash control (the ethernet fields that take part of the hash) 76145c98dacSZbigniew Bodek * 76245c98dacSZbigniew Bodek * @note: Prior to this method the caller should call ena_com_fill_hash_ctrl. 76345c98dacSZbigniew Bodek * 76445c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 76545c98dacSZbigniew Bodek */ 76645c98dacSZbigniew Bodek int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev); 76745c98dacSZbigniew Bodek 76845c98dacSZbigniew Bodek /* ena_com_get_hash_ctrl - Retrieve the hash control from the device. 76945c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 77045c98dacSZbigniew Bodek * @proto: The protocol to retrieve. 77145c98dacSZbigniew Bodek * @fields: bit mask of ena_admin_flow_hash_fields. 77245c98dacSZbigniew Bodek * 77345c98dacSZbigniew Bodek * Retrieve the hash control from the device. 77445c98dacSZbigniew Bodek * 7758483b844SMarcin Wojtas * @note: If the caller called ena_com_fill_hash_ctrl but didn't flush 77645c98dacSZbigniew Bodek * it to the device, the new configuration will be lost. 77745c98dacSZbigniew Bodek * 77845c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 77945c98dacSZbigniew Bodek */ 78045c98dacSZbigniew Bodek int ena_com_get_hash_ctrl(struct ena_com_dev *ena_dev, 78145c98dacSZbigniew Bodek enum ena_admin_flow_hash_proto proto, 78245c98dacSZbigniew Bodek u16 *fields); 78345c98dacSZbigniew Bodek 78445c98dacSZbigniew Bodek /* ena_com_set_default_hash_ctrl - Set the hash control to a default 78545c98dacSZbigniew Bodek * configuration. 78645c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 78745c98dacSZbigniew Bodek * 78845c98dacSZbigniew Bodek * Fill the ena_dev resources with the default hash control configuration. 78945c98dacSZbigniew Bodek * To flush the hash control to the device, the caller should call 79045c98dacSZbigniew Bodek * ena_com_set_hash_ctrl. 79145c98dacSZbigniew Bodek * 79245c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 79345c98dacSZbigniew Bodek */ 79445c98dacSZbigniew Bodek int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev); 79545c98dacSZbigniew Bodek 79645c98dacSZbigniew Bodek /* ena_com_indirect_table_fill_entry - Fill a single entry in the RSS 79745c98dacSZbigniew Bodek * indirection table 79845c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct. 79945c98dacSZbigniew Bodek * @entry_idx - indirection table entry. 80045c98dacSZbigniew Bodek * @entry_value - redirection value 80145c98dacSZbigniew Bodek * 80245c98dacSZbigniew Bodek * Fill a single entry of the RSS indirection table in the ena_dev resources. 80345c98dacSZbigniew Bodek * To flush the indirection table to the device, the called should call 80445c98dacSZbigniew Bodek * ena_com_indirect_table_set. 80545c98dacSZbigniew Bodek * 80645c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 80745c98dacSZbigniew Bodek */ 80845c98dacSZbigniew Bodek int ena_com_indirect_table_fill_entry(struct ena_com_dev *ena_dev, 80945c98dacSZbigniew Bodek u16 entry_idx, u16 entry_value); 81045c98dacSZbigniew Bodek 81145c98dacSZbigniew Bodek /* ena_com_indirect_table_set - Flush the indirection table to the device. 81245c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 81345c98dacSZbigniew Bodek * 81445c98dacSZbigniew Bodek * Flush the indirection hash control to the device. 81545c98dacSZbigniew Bodek * Prior to this method the caller should call ena_com_indirect_table_fill_entry 81645c98dacSZbigniew Bodek * 81745c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 81845c98dacSZbigniew Bodek */ 81945c98dacSZbigniew Bodek int ena_com_indirect_table_set(struct ena_com_dev *ena_dev); 82045c98dacSZbigniew Bodek 82145c98dacSZbigniew Bodek /* ena_com_indirect_table_get - Retrieve the indirection table from the device. 82245c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 82345c98dacSZbigniew Bodek * @ind_tbl: indirection table 82445c98dacSZbigniew Bodek * 82545c98dacSZbigniew Bodek * Retrieve the RSS indirection table from the device. 82645c98dacSZbigniew Bodek * 8278483b844SMarcin Wojtas * @note: If the caller called ena_com_indirect_table_fill_entry but didn't flush 82845c98dacSZbigniew Bodek * it to the device, the new configuration will be lost. 82945c98dacSZbigniew Bodek * 83045c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 83145c98dacSZbigniew Bodek */ 83245c98dacSZbigniew Bodek int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl); 83345c98dacSZbigniew Bodek 83445c98dacSZbigniew Bodek /* ena_com_allocate_host_info - Allocate host info resources. 83545c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 83645c98dacSZbigniew Bodek * 83745c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 83845c98dacSZbigniew Bodek */ 83945c98dacSZbigniew Bodek int ena_com_allocate_host_info(struct ena_com_dev *ena_dev); 84045c98dacSZbigniew Bodek 84145c98dacSZbigniew Bodek /* ena_com_allocate_debug_area - Allocate debug area. 84245c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 84345c98dacSZbigniew Bodek * @debug_area_size - debug area size. 84445c98dacSZbigniew Bodek * 84545c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 84645c98dacSZbigniew Bodek */ 84745c98dacSZbigniew Bodek int ena_com_allocate_debug_area(struct ena_com_dev *ena_dev, 84845c98dacSZbigniew Bodek u32 debug_area_size); 84945c98dacSZbigniew Bodek 85045c98dacSZbigniew Bodek /* ena_com_delete_debug_area - Free the debug area resources. 85145c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 85245c98dacSZbigniew Bodek * 8538483b844SMarcin Wojtas * Free the allocated debug area. 85445c98dacSZbigniew Bodek */ 85545c98dacSZbigniew Bodek void ena_com_delete_debug_area(struct ena_com_dev *ena_dev); 85645c98dacSZbigniew Bodek 85745c98dacSZbigniew Bodek /* ena_com_delete_host_info - Free the host info resources. 85845c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 85945c98dacSZbigniew Bodek * 8608483b844SMarcin Wojtas * Free the allocated host info. 86145c98dacSZbigniew Bodek */ 86245c98dacSZbigniew Bodek void ena_com_delete_host_info(struct ena_com_dev *ena_dev); 86345c98dacSZbigniew Bodek 86445c98dacSZbigniew Bodek /* ena_com_set_host_attributes - Update the device with the host 86545c98dacSZbigniew Bodek * attributes (debug area and host info) base address. 86645c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 86745c98dacSZbigniew Bodek * 86845c98dacSZbigniew Bodek * @return: 0 on Success and negative value otherwise. 86945c98dacSZbigniew Bodek */ 87045c98dacSZbigniew Bodek int ena_com_set_host_attributes(struct ena_com_dev *ena_dev); 87145c98dacSZbigniew Bodek 87245c98dacSZbigniew Bodek /* ena_com_create_io_cq - Create io completion queue. 87345c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 87445c98dacSZbigniew Bodek * @io_cq - io completion queue handler 87545c98dacSZbigniew Bodek 87645c98dacSZbigniew Bodek * Create IO completion queue. 87745c98dacSZbigniew Bodek * 87845c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 87945c98dacSZbigniew Bodek */ 88045c98dacSZbigniew Bodek int ena_com_create_io_cq(struct ena_com_dev *ena_dev, 88145c98dacSZbigniew Bodek struct ena_com_io_cq *io_cq); 88245c98dacSZbigniew Bodek 88345c98dacSZbigniew Bodek /* ena_com_destroy_io_cq - Destroy io completion queue. 88445c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 88545c98dacSZbigniew Bodek * @io_cq - io completion queue handler 88645c98dacSZbigniew Bodek 88745c98dacSZbigniew Bodek * Destroy IO completion queue. 88845c98dacSZbigniew Bodek * 88945c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 89045c98dacSZbigniew Bodek */ 89145c98dacSZbigniew Bodek int ena_com_destroy_io_cq(struct ena_com_dev *ena_dev, 89245c98dacSZbigniew Bodek struct ena_com_io_cq *io_cq); 89345c98dacSZbigniew Bodek 89445c98dacSZbigniew Bodek /* ena_com_execute_admin_command - Execute admin command 89545c98dacSZbigniew Bodek * @admin_queue: admin queue. 89645c98dacSZbigniew Bodek * @cmd: the admin command to execute. 89745c98dacSZbigniew Bodek * @cmd_size: the command size. 89845c98dacSZbigniew Bodek * @cmd_completion: command completion return value. 89945c98dacSZbigniew Bodek * @cmd_comp_size: command completion size. 90045c98dacSZbigniew Bodek 9018483b844SMarcin Wojtas * Submit an admin command and then wait until the device returns a 90245c98dacSZbigniew Bodek * completion. 9038483b844SMarcin Wojtas * The completion will be copied into cmd_comp. 90445c98dacSZbigniew Bodek * 90545c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 90645c98dacSZbigniew Bodek */ 90745c98dacSZbigniew Bodek int ena_com_execute_admin_command(struct ena_com_admin_queue *admin_queue, 90845c98dacSZbigniew Bodek struct ena_admin_aq_entry *cmd, 90945c98dacSZbigniew Bodek size_t cmd_size, 91045c98dacSZbigniew Bodek struct ena_admin_acq_entry *cmd_comp, 91145c98dacSZbigniew Bodek size_t cmd_comp_size); 91245c98dacSZbigniew Bodek 91345c98dacSZbigniew Bodek /* ena_com_init_interrupt_moderation - Init interrupt moderation 91445c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 91545c98dacSZbigniew Bodek * 91645c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 91745c98dacSZbigniew Bodek */ 91845c98dacSZbigniew Bodek int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev); 91945c98dacSZbigniew Bodek 92045c98dacSZbigniew Bodek /* ena_com_interrupt_moderation_supported - Return if interrupt moderation 92145c98dacSZbigniew Bodek * capability is supported by the device. 92245c98dacSZbigniew Bodek * 92345c98dacSZbigniew Bodek * @return - supported or not. 92445c98dacSZbigniew Bodek */ 92545c98dacSZbigniew Bodek bool ena_com_interrupt_moderation_supported(struct ena_com_dev *ena_dev); 92645c98dacSZbigniew Bodek 92745c98dacSZbigniew Bodek /* ena_com_update_nonadaptive_moderation_interval_tx - Update the 92845c98dacSZbigniew Bodek * non-adaptive interval in Tx direction. 92945c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 93045c98dacSZbigniew Bodek * @tx_coalesce_usecs: Interval in usec. 93145c98dacSZbigniew Bodek * 93245c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 93345c98dacSZbigniew Bodek */ 93445c98dacSZbigniew Bodek int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev, 93545c98dacSZbigniew Bodek u32 tx_coalesce_usecs); 93645c98dacSZbigniew Bodek 93745c98dacSZbigniew Bodek /* ena_com_update_nonadaptive_moderation_interval_rx - Update the 93845c98dacSZbigniew Bodek * non-adaptive interval in Rx direction. 93945c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 94045c98dacSZbigniew Bodek * @rx_coalesce_usecs: Interval in usec. 94145c98dacSZbigniew Bodek * 94245c98dacSZbigniew Bodek * @return - 0 on success, negative value on failure. 94345c98dacSZbigniew Bodek */ 94445c98dacSZbigniew Bodek int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev, 94545c98dacSZbigniew Bodek u32 rx_coalesce_usecs); 94645c98dacSZbigniew Bodek 94745c98dacSZbigniew Bodek /* ena_com_get_nonadaptive_moderation_interval_tx - Retrieve the 94845c98dacSZbigniew Bodek * non-adaptive interval in Tx direction. 94945c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 95045c98dacSZbigniew Bodek * 95145c98dacSZbigniew Bodek * @return - interval in usec 95245c98dacSZbigniew Bodek */ 95345c98dacSZbigniew Bodek unsigned int ena_com_get_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev); 95445c98dacSZbigniew Bodek 95545c98dacSZbigniew Bodek /* ena_com_get_nonadaptive_moderation_interval_rx - Retrieve the 95645c98dacSZbigniew Bodek * non-adaptive interval in Rx direction. 95745c98dacSZbigniew Bodek * @ena_dev: ENA communication layer struct 95845c98dacSZbigniew Bodek * 95945c98dacSZbigniew Bodek * @return - interval in usec 96045c98dacSZbigniew Bodek */ 96145c98dacSZbigniew Bodek unsigned int ena_com_get_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev); 96245c98dacSZbigniew Bodek 963a195fab0SMarcin Wojtas /* ena_com_config_dev_mode - Configure the placement policy of the device. 964a195fab0SMarcin Wojtas * @ena_dev: ENA communication layer struct 96567ec48bbSMarcin Wojtas * @llq_features: LLQ feature descriptor, retrieve via 96667ec48bbSMarcin Wojtas * ena_com_get_dev_attr_feat. 96767ec48bbSMarcin Wojtas * @ena_llq_config: The default driver LLQ parameters configurations 968a195fab0SMarcin Wojtas */ 969a195fab0SMarcin Wojtas int ena_com_config_dev_mode(struct ena_com_dev *ena_dev, 97067ec48bbSMarcin Wojtas struct ena_admin_feature_llq_desc *llq_features, 97167ec48bbSMarcin Wojtas struct ena_llq_configurations *llq_default_config); 972a195fab0SMarcin Wojtas 9739eb1615fSMarcin Wojtas /* ena_com_io_sq_to_ena_dev - Extract ena_com_dev using contained field io_sq. 9749eb1615fSMarcin Wojtas * @io_sq: IO submit queue struct 9759eb1615fSMarcin Wojtas * 9769eb1615fSMarcin Wojtas * @return - ena_com_dev struct extracted from io_sq 9779eb1615fSMarcin Wojtas */ 9789eb1615fSMarcin Wojtas static inline struct ena_com_dev *ena_com_io_sq_to_ena_dev(struct ena_com_io_sq *io_sq) 9799eb1615fSMarcin Wojtas { 9809eb1615fSMarcin Wojtas return container_of(io_sq, struct ena_com_dev, io_sq_queues[io_sq->qid]); 9819eb1615fSMarcin Wojtas } 9829eb1615fSMarcin Wojtas 9839eb1615fSMarcin Wojtas /* ena_com_io_cq_to_ena_dev - Extract ena_com_dev using contained field io_cq. 9849eb1615fSMarcin Wojtas * @io_sq: IO submit queue struct 9859eb1615fSMarcin Wojtas * 9869eb1615fSMarcin Wojtas * @return - ena_com_dev struct extracted from io_sq 9879eb1615fSMarcin Wojtas */ 9889eb1615fSMarcin Wojtas static inline struct ena_com_dev *ena_com_io_cq_to_ena_dev(struct ena_com_io_cq *io_cq) 9899eb1615fSMarcin Wojtas { 9909eb1615fSMarcin Wojtas return container_of(io_cq, struct ena_com_dev, io_cq_queues[io_cq->qid]); 9919eb1615fSMarcin Wojtas } 9929eb1615fSMarcin Wojtas 99345c98dacSZbigniew Bodek static inline bool ena_com_get_adaptive_moderation_enabled(struct ena_com_dev *ena_dev) 99445c98dacSZbigniew Bodek { 99545c98dacSZbigniew Bodek return ena_dev->adaptive_coalescing; 99645c98dacSZbigniew Bodek } 99745c98dacSZbigniew Bodek 99845c98dacSZbigniew Bodek static inline void ena_com_enable_adaptive_moderation(struct ena_com_dev *ena_dev) 99945c98dacSZbigniew Bodek { 100045c98dacSZbigniew Bodek ena_dev->adaptive_coalescing = true; 100145c98dacSZbigniew Bodek } 100245c98dacSZbigniew Bodek 100345c98dacSZbigniew Bodek static inline void ena_com_disable_adaptive_moderation(struct ena_com_dev *ena_dev) 100445c98dacSZbigniew Bodek { 100545c98dacSZbigniew Bodek ena_dev->adaptive_coalescing = false; 100645c98dacSZbigniew Bodek } 100745c98dacSZbigniew Bodek 100845c98dacSZbigniew Bodek /* ena_com_update_intr_reg - Prepare interrupt register 100945c98dacSZbigniew Bodek * @intr_reg: interrupt register to update. 101045c98dacSZbigniew Bodek * @rx_delay_interval: Rx interval in usecs 101145c98dacSZbigniew Bodek * @tx_delay_interval: Tx interval in usecs 10128483b844SMarcin Wojtas * @unmask: unmask enable/disable 101345c98dacSZbigniew Bodek * 101445c98dacSZbigniew Bodek * Prepare interrupt update register with the supplied parameters. 101545c98dacSZbigniew Bodek */ 101645c98dacSZbigniew Bodek static inline void ena_com_update_intr_reg(struct ena_eth_io_intr_reg *intr_reg, 101745c98dacSZbigniew Bodek u32 rx_delay_interval, 101845c98dacSZbigniew Bodek u32 tx_delay_interval, 101945c98dacSZbigniew Bodek bool unmask) 102045c98dacSZbigniew Bodek { 102145c98dacSZbigniew Bodek intr_reg->intr_control = 0; 102245c98dacSZbigniew Bodek intr_reg->intr_control |= rx_delay_interval & 102345c98dacSZbigniew Bodek ENA_ETH_IO_INTR_REG_RX_INTR_DELAY_MASK; 102445c98dacSZbigniew Bodek 102545c98dacSZbigniew Bodek intr_reg->intr_control |= 102645c98dacSZbigniew Bodek (tx_delay_interval << ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_SHIFT) 102745c98dacSZbigniew Bodek & ENA_ETH_IO_INTR_REG_TX_INTR_DELAY_MASK; 102845c98dacSZbigniew Bodek 102945c98dacSZbigniew Bodek if (unmask) 103045c98dacSZbigniew Bodek intr_reg->intr_control |= ENA_ETH_IO_INTR_REG_INTR_UNMASK_MASK; 103145c98dacSZbigniew Bodek } 103245c98dacSZbigniew Bodek 1033a195fab0SMarcin Wojtas static inline u8 *ena_com_get_next_bounce_buffer(struct ena_com_io_bounce_buffer_control *bounce_buf_ctrl) 1034a195fab0SMarcin Wojtas { 1035a195fab0SMarcin Wojtas u16 size, buffers_num; 1036a195fab0SMarcin Wojtas u8 *buf; 1037a195fab0SMarcin Wojtas 1038a195fab0SMarcin Wojtas size = bounce_buf_ctrl->buffer_size; 1039a195fab0SMarcin Wojtas buffers_num = bounce_buf_ctrl->buffers_num; 1040a195fab0SMarcin Wojtas 1041a195fab0SMarcin Wojtas buf = bounce_buf_ctrl->base_buffer + 1042a195fab0SMarcin Wojtas (bounce_buf_ctrl->next_to_use++ & (buffers_num - 1)) * size; 1043a195fab0SMarcin Wojtas 104467ec48bbSMarcin Wojtas prefetchw(bounce_buf_ctrl->base_buffer + 1045a195fab0SMarcin Wojtas (bounce_buf_ctrl->next_to_use & (buffers_num - 1)) * size); 1046a195fab0SMarcin Wojtas 1047a195fab0SMarcin Wojtas return buf; 1048a195fab0SMarcin Wojtas } 1049a195fab0SMarcin Wojtas 1050a195fab0SMarcin Wojtas #ifdef ENA_EXTENDED_STATS 1051a195fab0SMarcin Wojtas int ena_com_get_dev_extended_stats(struct ena_com_dev *ena_dev, char *buff, 1052a195fab0SMarcin Wojtas u32 len); 1053a195fab0SMarcin Wojtas 1054a195fab0SMarcin Wojtas int ena_com_extended_stats_set_func_queue(struct ena_com_dev *ena_dev, 1055a195fab0SMarcin Wojtas u32 funct_queue); 1056a195fab0SMarcin Wojtas #endif 105745c98dacSZbigniew Bodek #if defined(__cplusplus) 105845c98dacSZbigniew Bodek } 105945c98dacSZbigniew Bodek #endif /* __cplusplus */ 106045c98dacSZbigniew Bodek #endif /* !(ENA_COM) */ 1061