X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fena%2Fbase%2Fena_com.c;h=6257c535b139cb37f73e4d98c878d6d42ce47b41;hb=dd8384a4f5dd7e04cd3bc7ded0f0a6d9c79d25b4;hp=f886760c889e4e2a43484ef398f98e58e20d798d;hpb=23a707467f7f8b784ce00beaf2c8e0979c6a2e8e;p=dpdk.git diff --git a/drivers/net/ena/base/ena_com.c b/drivers/net/ena/base/ena_com.c index f886760c88..6257c535b1 100644 --- a/drivers/net/ena/base/ena_com.c +++ b/drivers/net/ena/base/ena_com.c @@ -1,35 +1,7 @@ -/*- -* BSD LICENSE -* -* Copyright (c) 2015-2016 Amazon.com, Inc. or its affiliates. -* All rights reserved. -* -* Redistribution and use in source and binary forms, with or without -* modification, are permitted provided that the following conditions -* are met: -* -* * Redistributions of source code must retain the above copyright -* notice, this list of conditions and the following disclaimer. -* * 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. -* * Neither the name of copyright holder 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. -*/ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright (c) 2015-2020 Amazon.com, Inc. or its affiliates. + * All rights reserved. + */ #include "ena_com.h" @@ -37,18 +9,11 @@ /*****************************************************************************/ /* Timeout in micro-sec */ -#define ADMIN_CMD_TIMEOUT_US (1000000) +#define ADMIN_CMD_TIMEOUT_US (3000000) -#define ENA_ASYNC_QUEUE_DEPTH 4 +#define ENA_ASYNC_QUEUE_DEPTH 16 #define ENA_ADMIN_QUEUE_DEPTH 32 -#define ENA_EXTENDED_STAT_GET_FUNCT(_funct_queue) (_funct_queue & 0xFFFF) -#define ENA_EXTENDED_STAT_GET_QUEUE(_funct_queue) (_funct_queue >> 16) - -#define MIN_ENA_VER (((ENA_COMMON_SPEC_VERSION_MAJOR) << \ - ENA_REGS_VERSION_MAJOR_VERSION_SHIFT) \ - | (ENA_COMMON_SPEC_VERSION_MINOR)) - #define ENA_CTRL_MAJOR 0 #define ENA_CTRL_MINOR 0 #define ENA_CTRL_SUB_MINOR 1 @@ -65,7 +30,11 @@ #define ENA_MMIO_READ_TIMEOUT 0xFFFFFFFF -static int ena_alloc_cnt; +#define ENA_COM_BOUNCE_BUFFER_CNTRL_CNT 4 + +#define ENA_REGS_ADMIN_INTR_MASK 1 + +#define ENA_POLL_MS 5 /*****************************************************************************/ /*****************************************************************************/ @@ -89,7 +58,12 @@ struct ena_comp_ctx { bool occupied; }; -static inline int ena_com_mem_addr_set(struct ena_com_dev *ena_dev, +struct ena_com_stats_ctx { + struct ena_admin_aq_get_stats_cmd get_cmd; + struct ena_admin_acq_get_stats_resp get_resp; +}; + +static int ena_com_mem_addr_set(struct ena_com_dev *ena_dev, struct ena_common_mem_addr *ena_addr, dma_addr_t addr) { @@ -98,50 +72,49 @@ static inline int ena_com_mem_addr_set(struct ena_com_dev *ena_dev, return ENA_COM_INVAL; } - ena_addr->mem_addr_low = (u32)addr; - ena_addr->mem_addr_high = - ((addr & GENMASK_ULL(ena_dev->dma_addr_bits - 1, 32)) >> 32); + ena_addr->mem_addr_low = lower_32_bits(addr); + ena_addr->mem_addr_high = (u16)upper_32_bits(addr); return 0; } static int ena_com_admin_init_sq(struct ena_com_admin_queue *queue) { - ENA_MEM_ALLOC_COHERENT(queue->q_dmadev, - ADMIN_SQ_SIZE(queue->q_depth), - queue->sq.entries, - queue->sq.dma_addr, - queue->sq.mem_handle); + struct ena_com_admin_sq *sq = &queue->sq; + u16 size = ADMIN_SQ_SIZE(queue->q_depth); + + ENA_MEM_ALLOC_COHERENT(queue->q_dmadev, size, sq->entries, sq->dma_addr, + sq->mem_handle); - if (!queue->sq.entries) { - ena_trc_err("memory allocation failed"); + if (!sq->entries) { + ena_trc_err("memory allocation failed\n"); return ENA_COM_NO_MEM; } - queue->sq.head = 0; - queue->sq.tail = 0; - queue->sq.phase = 1; + sq->head = 0; + sq->tail = 0; + sq->phase = 1; - queue->sq.db_addr = NULL; + sq->db_addr = NULL; return 0; } static int ena_com_admin_init_cq(struct ena_com_admin_queue *queue) { - ENA_MEM_ALLOC_COHERENT(queue->q_dmadev, - ADMIN_CQ_SIZE(queue->q_depth), - queue->cq.entries, - queue->cq.dma_addr, - queue->cq.mem_handle); + struct ena_com_admin_cq *cq = &queue->cq; + u16 size = ADMIN_CQ_SIZE(queue->q_depth); - if (!queue->cq.entries) { - ena_trc_err("memory allocation failed"); + ENA_MEM_ALLOC_COHERENT(queue->q_dmadev, size, cq->entries, cq->dma_addr, + cq->mem_handle); + + if (!cq->entries) { + ena_trc_err("memory allocation failed\n"); return ENA_COM_NO_MEM; } - queue->cq.head = 0; - queue->cq.phase = 1; + cq->head = 0; + cq->phase = 1; return 0; } @@ -149,49 +122,49 @@ static int ena_com_admin_init_cq(struct ena_com_admin_queue *queue) static int ena_com_admin_init_aenq(struct ena_com_dev *dev, struct ena_aenq_handlers *aenq_handlers) { + struct ena_com_aenq *aenq = &dev->aenq; u32 addr_low, addr_high, aenq_caps; + u16 size; dev->aenq.q_depth = ENA_ASYNC_QUEUE_DEPTH; - ENA_MEM_ALLOC_COHERENT(dev->dmadev, - ADMIN_AENQ_SIZE(dev->aenq.q_depth), - dev->aenq.entries, - dev->aenq.dma_addr, - dev->aenq.mem_handle); - - if (!dev->aenq.entries) { - ena_trc_err("memory allocation failed"); + size = ADMIN_AENQ_SIZE(ENA_ASYNC_QUEUE_DEPTH); + ENA_MEM_ALLOC_COHERENT(dev->dmadev, size, + aenq->entries, + aenq->dma_addr, + aenq->mem_handle); + + if (!aenq->entries) { + ena_trc_err("memory allocation failed\n"); return ENA_COM_NO_MEM; } - dev->aenq.head = dev->aenq.q_depth; - dev->aenq.phase = 1; + aenq->head = aenq->q_depth; + aenq->phase = 1; - addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(dev->aenq.dma_addr); - addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(dev->aenq.dma_addr); + addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(aenq->dma_addr); + addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(aenq->dma_addr); - ENA_REG_WRITE32(addr_low, (unsigned char *)dev->reg_bar - + ENA_REGS_AENQ_BASE_LO_OFF); - ENA_REG_WRITE32(addr_high, (unsigned char *)dev->reg_bar - + ENA_REGS_AENQ_BASE_HI_OFF); + ENA_REG_WRITE32(dev->bus, addr_low, dev->reg_bar + ENA_REGS_AENQ_BASE_LO_OFF); + ENA_REG_WRITE32(dev->bus, addr_high, dev->reg_bar + ENA_REGS_AENQ_BASE_HI_OFF); aenq_caps = 0; aenq_caps |= dev->aenq.q_depth & ENA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK; aenq_caps |= (sizeof(struct ena_admin_aenq_entry) << ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT) & ENA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK; + ENA_REG_WRITE32(dev->bus, aenq_caps, dev->reg_bar + ENA_REGS_AENQ_CAPS_OFF); - ENA_REG_WRITE32(aenq_caps, (unsigned char *)dev->reg_bar - + ENA_REGS_AENQ_CAPS_OFF); - - if (unlikely(!aenq_handlers)) + if (unlikely(!aenq_handlers)) { ena_trc_err("aenq handlers pointer is NULL\n"); + return ENA_COM_INVAL; + } - dev->aenq.aenq_handlers = aenq_handlers; + aenq->aenq_handlers = aenq_handlers; return 0; } -static inline void comp_ctxt_release(struct ena_com_admin_queue *queue, +static void comp_ctxt_release(struct ena_com_admin_queue *queue, struct ena_comp_ctx *comp_ctx) { comp_ctx->occupied = false; @@ -201,12 +174,21 @@ static inline void comp_ctxt_release(struct ena_com_admin_queue *queue, static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *queue, u16 command_id, bool capture) { - ENA_ASSERT(command_id < queue->q_depth, - "command id is larger than the queue size. cmd_id: %u queue size %d\n", - command_id, queue->q_depth); + if (unlikely(command_id >= queue->q_depth)) { + ena_trc_err("command id is larger than the queue size. cmd_id: %u queue size %d\n", + command_id, queue->q_depth); + return NULL; + } + + if (unlikely(!queue->comp_ctx)) { + ena_trc_err("Completion context is NULL\n"); + return NULL; + } - ENA_ASSERT(!(queue->comp_ctx[command_id].occupied && capture), - "Completion context is occupied"); + if (unlikely(queue->comp_ctx[command_id].occupied && capture)) { + ena_trc_err("Completion context is occupied\n"); + return NULL; + } if (capture) { ATOMIC32_INC(&queue->outstanding_cmds); @@ -216,12 +198,11 @@ static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *queue, return &queue->comp_ctx[command_id]; } -static struct ena_comp_ctx * -__ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, - struct ena_admin_aq_entry *cmd, - size_t cmd_size_in_bytes, - struct ena_admin_acq_entry *comp, - size_t comp_size_in_bytes) +static struct ena_comp_ctx *__ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, + struct ena_admin_aq_entry *cmd, + size_t cmd_size_in_bytes, + struct ena_admin_acq_entry *comp, + size_t comp_size_in_bytes) { struct ena_comp_ctx *comp_ctx; u16 tail_masked, cmd_id; @@ -233,12 +214,9 @@ __ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, tail_masked = admin_queue->sq.tail & queue_size_mask; /* In case of queue FULL */ - cnt = admin_queue->sq.tail - admin_queue->sq.head; + cnt = (u16)ATOMIC32_READ(&admin_queue->outstanding_cmds); if (cnt >= admin_queue->q_depth) { - ena_trc_dbg("admin queue is FULL (tail %d head %d depth: %d)\n", - admin_queue->sq.tail, - admin_queue->sq.head, - admin_queue->q_depth); + ena_trc_dbg("admin queue is full.\n"); admin_queue->stats.out_of_space++; return ERR_PTR(ENA_COM_NO_SPACE); } @@ -252,6 +230,8 @@ __ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, ENA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK; comp_ctx = get_comp_ctxt(admin_queue, cmd_id, true); + if (unlikely(!comp_ctx)) + return ERR_PTR(ENA_COM_INVAL); comp_ctx->status = ENA_CMD_SUBMITTED; comp_ctx->comp_size = (u32)comp_size_in_bytes; @@ -271,12 +251,14 @@ __ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, if (unlikely((admin_queue->sq.tail & queue_size_mask) == 0)) admin_queue->sq.phase = !admin_queue->sq.phase; - ENA_REG_WRITE32(admin_queue->sq.tail, admin_queue->sq.db_addr); + ENA_DB_SYNC(&admin_queue->sq.mem_handle); + ENA_REG_WRITE32(admin_queue->bus, admin_queue->sq.tail, + admin_queue->sq.db_addr); return comp_ctx; } -static inline int ena_com_init_comp_ctxt(struct ena_com_admin_queue *queue) +static int ena_com_init_comp_ctxt(struct ena_com_admin_queue *queue) { size_t size = queue->q_depth * sizeof(struct ena_comp_ctx); struct ena_comp_ctx *comp_ctx; @@ -284,24 +266,24 @@ static inline int ena_com_init_comp_ctxt(struct ena_com_admin_queue *queue) queue->comp_ctx = ENA_MEM_ALLOC(queue->q_dmadev, size); if (unlikely(!queue->comp_ctx)) { - ena_trc_err("memory allocation failed"); + ena_trc_err("memory allocation failed\n"); return ENA_COM_NO_MEM; } for (i = 0; i < queue->q_depth; i++) { comp_ctx = get_comp_ctxt(queue, i, false); - ENA_WAIT_EVENT_INIT(comp_ctx->wait_event); + if (comp_ctx) + ENA_WAIT_EVENT_INIT(comp_ctx->wait_event); } return 0; } -static struct ena_comp_ctx * -ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, - struct ena_admin_aq_entry *cmd, - size_t cmd_size_in_bytes, - struct ena_admin_acq_entry *comp, - size_t comp_size_in_bytes) +static struct ena_comp_ctx *ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, + struct ena_admin_aq_entry *cmd, + size_t cmd_size_in_bytes, + struct ena_admin_acq_entry *comp, + size_t comp_size_in_bytes) { unsigned long flags = 0; struct ena_comp_ctx *comp_ctx; @@ -315,38 +297,93 @@ ena_com_submit_admin_cmd(struct ena_com_admin_queue *admin_queue, cmd_size_in_bytes, comp, comp_size_in_bytes); + if (IS_ERR(comp_ctx)) + admin_queue->running_state = false; ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); return comp_ctx; } static int ena_com_init_io_sq(struct ena_com_dev *ena_dev, + struct ena_com_create_io_ctx *ctx, struct ena_com_io_sq *io_sq) { size_t size; + int dev_node = 0; - memset(&io_sq->desc_addr, 0x0, sizeof(struct ena_com_io_desc_addr)); + memset(&io_sq->desc_addr, 0x0, sizeof(io_sq->desc_addr)); + io_sq->dma_addr_bits = (u8)ena_dev->dma_addr_bits; io_sq->desc_entry_size = (io_sq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) ? sizeof(struct ena_eth_io_tx_desc) : sizeof(struct ena_eth_io_rx_desc); size = io_sq->desc_entry_size * io_sq->q_depth; + io_sq->bus = ena_dev->bus; - if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) - ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, - size, - io_sq->desc_addr.virt_addr, - io_sq->desc_addr.phys_addr, - io_sq->desc_addr.mem_handle); - else - io_sq->desc_addr.virt_addr = - ENA_MEM_ALLOC(ena_dev->dmadev, size); + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) { + ENA_MEM_ALLOC_COHERENT_NODE(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + io_sq->desc_addr.phys_addr, + io_sq->desc_addr.mem_handle, + ctx->numa_node, + dev_node); + if (!io_sq->desc_addr.virt_addr) { + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + io_sq->desc_addr.phys_addr, + io_sq->desc_addr.mem_handle); + } - if (!io_sq->desc_addr.virt_addr) { - ena_trc_err("memory allocation failed"); - return ENA_COM_NO_MEM; + if (!io_sq->desc_addr.virt_addr) { + ena_trc_err("memory allocation failed\n"); + return ENA_COM_NO_MEM; + } + } + + if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) { + /* Allocate bounce buffers */ + io_sq->bounce_buf_ctrl.buffer_size = + ena_dev->llq_info.desc_list_entry_size; + io_sq->bounce_buf_ctrl.buffers_num = + ENA_COM_BOUNCE_BUFFER_CNTRL_CNT; + io_sq->bounce_buf_ctrl.next_to_use = 0; + + size = io_sq->bounce_buf_ctrl.buffer_size * + io_sq->bounce_buf_ctrl.buffers_num; + + ENA_MEM_ALLOC_NODE(ena_dev->dmadev, + size, + io_sq->bounce_buf_ctrl.base_buffer, + ctx->numa_node, + dev_node); + if (!io_sq->bounce_buf_ctrl.base_buffer) + io_sq->bounce_buf_ctrl.base_buffer = ENA_MEM_ALLOC(ena_dev->dmadev, size); + + if (!io_sq->bounce_buf_ctrl.base_buffer) { + ena_trc_err("bounce buffer memory allocation failed\n"); + return ENA_COM_NO_MEM; + } + + memcpy(&io_sq->llq_info, &ena_dev->llq_info, + sizeof(io_sq->llq_info)); + + /* Initiate the first bounce buffer */ + io_sq->llq_buf_ctrl.curr_bounce_buf = + ena_com_get_next_bounce_buffer(&io_sq->bounce_buf_ctrl); + memset(io_sq->llq_buf_ctrl.curr_bounce_buf, + 0x0, io_sq->llq_info.desc_list_entry_size); + io_sq->llq_buf_ctrl.descs_left_in_line = + io_sq->llq_info.descs_num_before_header; + io_sq->disable_meta_caching = + io_sq->llq_info.disable_meta_caching; + + if (io_sq->llq_info.max_entries_in_tx_burst > 0) + io_sq->entries_in_tx_burst_left = + io_sq->llq_info.max_entries_in_tx_burst; } io_sq->tail = 0; @@ -357,11 +394,13 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev, } static int ena_com_init_io_cq(struct ena_com_dev *ena_dev, + struct ena_com_create_io_ctx *ctx, struct ena_com_io_cq *io_cq) { size_t size; + int prev_node = 0; - memset(&io_cq->cdesc_addr, 0x0, sizeof(struct ena_com_io_desc_addr)); + memset(&io_cq->cdesc_addr, 0x0, sizeof(io_cq->cdesc_addr)); /* Use the basic completion descriptor for Rx */ io_cq->cdesc_entry_size_in_bytes = @@ -370,15 +409,25 @@ static int ena_com_init_io_cq(struct ena_com_dev *ena_dev, sizeof(struct ena_eth_io_rx_cdesc_base); size = io_cq->cdesc_entry_size_in_bytes * io_cq->q_depth; - - ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, - size, - io_cq->cdesc_addr.virt_addr, - io_cq->cdesc_addr.phys_addr, - io_cq->cdesc_addr.mem_handle); + io_cq->bus = ena_dev->bus; + + ENA_MEM_ALLOC_COHERENT_NODE(ena_dev->dmadev, + size, + io_cq->cdesc_addr.virt_addr, + io_cq->cdesc_addr.phys_addr, + io_cq->cdesc_addr.mem_handle, + ctx->numa_node, + prev_node); + if (!io_cq->cdesc_addr.virt_addr) { + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + size, + io_cq->cdesc_addr.virt_addr, + io_cq->cdesc_addr.phys_addr, + io_cq->cdesc_addr.mem_handle); + } if (!io_cq->cdesc_addr.virt_addr) { - ena_trc_err("memory allocation failed"); + ena_trc_err("memory allocation failed\n"); return ENA_COM_NO_MEM; } @@ -388,9 +437,8 @@ static int ena_com_init_io_cq(struct ena_com_dev *ena_dev, return 0; } -static void -ena_com_handle_single_admin_completion(struct ena_com_admin_queue *admin_queue, - struct ena_admin_acq_entry *cqe) +static void ena_com_handle_single_admin_completion(struct ena_com_admin_queue *admin_queue, + struct ena_admin_acq_entry *cqe) { struct ena_comp_ctx *comp_ctx; u16 cmd_id; @@ -399,6 +447,11 @@ ena_com_handle_single_admin_completion(struct ena_com_admin_queue *admin_queue, ENA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK; comp_ctx = get_comp_ctxt(admin_queue, cmd_id, false); + if (unlikely(!comp_ctx)) { + ena_trc_err("comp_ctx is NULL. Changing the admin queue running state\n"); + admin_queue->running_state = false; + return; + } comp_ctx->status = ENA_CMD_COMPLETED; comp_ctx->comp_status = cqe->acq_common_descriptor.status; @@ -410,8 +463,7 @@ ena_com_handle_single_admin_completion(struct ena_com_admin_queue *admin_queue, ENA_WAIT_EVENT_SIGNAL(comp_ctx->wait_event); } -static void -ena_com_handle_admin_completion(struct ena_com_admin_queue *admin_queue) +static void ena_com_handle_admin_completion(struct ena_com_admin_queue *admin_queue) { struct ena_admin_acq_entry *cqe = NULL; u16 comp_num = 0; @@ -424,12 +476,12 @@ ena_com_handle_admin_completion(struct ena_com_admin_queue *admin_queue) cqe = &admin_queue->cq.entries[head_masked]; /* Go over all the completions */ - while ((cqe->acq_common_descriptor.flags & + while ((READ_ONCE8(cqe->acq_common_descriptor.flags) & ENA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK) == phase) { /* Do not read the rest of the completion entry before the * phase bit was validated */ - rmb(); + dma_rmb(); ena_com_handle_single_admin_completion(admin_queue, cqe); head_masked++; @@ -453,16 +505,13 @@ static int ena_com_comp_status_to_errno(u8 comp_status) if (unlikely(comp_status != 0)) ena_trc_err("admin command failed[%u]\n", comp_status); - if (unlikely(comp_status > ENA_ADMIN_UNKNOWN_ERROR)) - return ENA_COM_INVAL; - switch (comp_status) { case ENA_ADMIN_SUCCESS: - return 0; + return ENA_COM_OK; case ENA_ADMIN_RESOURCE_ALLOCATION_FAILURE: return ENA_COM_NO_MEM; case ENA_ADMIN_UNSUPPORTED_OPCODE: - return ENA_COM_PERMISSION; + return ENA_COM_UNSUPPORTED; case ENA_ADMIN_BAD_OPCODE: case ENA_ADMIN_MALFORMED_REQUEST: case ENA_ADMIN_ILLEGAL_PARAMETER: @@ -470,23 +519,27 @@ static int ena_com_comp_status_to_errno(u8 comp_status) return ENA_COM_INVAL; } - return 0; + return ENA_COM_INVAL; } -static int -ena_com_wait_and_process_admin_cq_polling( - struct ena_comp_ctx *comp_ctx, - struct ena_com_admin_queue *admin_queue) +static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_ctx, + struct ena_com_admin_queue *admin_queue) { - unsigned long flags; - u64 start_time; + unsigned long flags = 0; + ena_time_t timeout; int ret; - start_time = ENA_GET_SYSTEM_USECS(); + timeout = ENA_GET_SYSTEM_TIMEOUT(admin_queue->completion_timeout); - while (comp_ctx->status == ENA_CMD_SUBMITTED) { - if ((ENA_GET_SYSTEM_USECS() - start_time) > - ADMIN_CMD_TIMEOUT_US) { + while (1) { + ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); + ena_com_handle_admin_completion(admin_queue); + ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + + if (comp_ctx->status != ENA_CMD_SUBMITTED) + break; + + if (ENA_TIME_EXPIRE(timeout)) { ena_trc_err("Wait for completion (polling) timeout\n"); /* ENA didn't have any completion */ ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); @@ -498,9 +551,7 @@ ena_com_wait_and_process_admin_cq_polling( goto err; } - ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); - ena_com_handle_admin_completion(admin_queue); - ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); + ENA_MSLEEP(ENA_POLL_MS); } if (unlikely(comp_ctx->status == ENA_CMD_ABORTED)) { @@ -512,8 +563,8 @@ ena_com_wait_and_process_admin_cq_polling( goto err; } - ENA_ASSERT(comp_ctx->status == ENA_CMD_COMPLETED, - "Invalid comp status %d\n", comp_ctx->status); + ENA_WARN(comp_ctx->status != ENA_CMD_COMPLETED, + "Invalid comp status %d\n", comp_ctx->status); ret = ena_com_comp_status_to_errno(comp_ctx->comp_status); err: @@ -521,16 +572,183 @@ err: return ret; } -static int -ena_com_wait_and_process_admin_cq_interrupts( - struct ena_comp_ctx *comp_ctx, - struct ena_com_admin_queue *admin_queue) +/** + * Set the LLQ configurations of the firmware + * + * The driver provides only the enabled feature values to the device, + * which in turn, checks if they are supported. + */ +static int ena_com_set_llq(struct ena_com_dev *ena_dev) +{ + struct ena_com_admin_queue *admin_queue; + struct ena_admin_set_feat_cmd cmd; + struct ena_admin_set_feat_resp resp; + struct ena_com_llq_info *llq_info = &ena_dev->llq_info; + int ret; + + memset(&cmd, 0x0, sizeof(cmd)); + admin_queue = &ena_dev->admin_queue; + + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; + cmd.feat_common.feature_id = ENA_ADMIN_LLQ; + + cmd.u.llq.header_location_ctrl_enabled = llq_info->header_location_ctrl; + cmd.u.llq.entry_size_ctrl_enabled = llq_info->desc_list_entry_size_ctrl; + cmd.u.llq.desc_num_before_header_enabled = llq_info->descs_num_before_header; + cmd.u.llq.descriptors_stride_ctrl_enabled = llq_info->desc_stride_ctrl; + + if (llq_info->disable_meta_caching) + cmd.u.llq.accel_mode.u.set.enabled_flags |= + BIT(ENA_ADMIN_DISABLE_META_CACHING); + + if (llq_info->max_entries_in_tx_burst) + cmd.u.llq.accel_mode.u.set.enabled_flags |= + BIT(ENA_ADMIN_LIMIT_TX_BURST); + + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&cmd, + sizeof(cmd), + (struct ena_admin_acq_entry *)&resp, + sizeof(resp)); + + if (unlikely(ret)) + ena_trc_err("Failed to set LLQ configurations: %d\n", ret); + + return ret; +} + +static int ena_com_config_llq_info(struct ena_com_dev *ena_dev, + struct ena_admin_feature_llq_desc *llq_features, + struct ena_llq_configurations *llq_default_cfg) +{ + struct ena_com_llq_info *llq_info = &ena_dev->llq_info; + u16 supported_feat; + int rc; + + memset(llq_info, 0, sizeof(*llq_info)); + + supported_feat = llq_features->header_location_ctrl_supported; + + if (likely(supported_feat & llq_default_cfg->llq_header_location)) { + llq_info->header_location_ctrl = + llq_default_cfg->llq_header_location; + } else { + ena_trc_err("Invalid header location control, supported: 0x%x\n", + supported_feat); + return -EINVAL; + } + + if (likely(llq_info->header_location_ctrl == ENA_ADMIN_INLINE_HEADER)) { + supported_feat = llq_features->descriptors_stride_ctrl_supported; + if (likely(supported_feat & llq_default_cfg->llq_stride_ctrl)) { + llq_info->desc_stride_ctrl = llq_default_cfg->llq_stride_ctrl; + } else { + if (supported_feat & ENA_ADMIN_MULTIPLE_DESCS_PER_ENTRY) { + llq_info->desc_stride_ctrl = ENA_ADMIN_MULTIPLE_DESCS_PER_ENTRY; + } else if (supported_feat & ENA_ADMIN_SINGLE_DESC_PER_ENTRY) { + llq_info->desc_stride_ctrl = ENA_ADMIN_SINGLE_DESC_PER_ENTRY; + } else { + ena_trc_err("Invalid desc_stride_ctrl, supported: 0x%x\n", + supported_feat); + return -EINVAL; + } + + ena_trc_err("Default llq stride ctrl is not supported, performing fallback, default: 0x%x, supported: 0x%x, used: 0x%x\n", + llq_default_cfg->llq_stride_ctrl, + supported_feat, + llq_info->desc_stride_ctrl); + } + } else { + llq_info->desc_stride_ctrl = 0; + } + + supported_feat = llq_features->entry_size_ctrl_supported; + if (likely(supported_feat & llq_default_cfg->llq_ring_entry_size)) { + llq_info->desc_list_entry_size_ctrl = llq_default_cfg->llq_ring_entry_size; + llq_info->desc_list_entry_size = llq_default_cfg->llq_ring_entry_size_value; + } else { + if (supported_feat & ENA_ADMIN_LIST_ENTRY_SIZE_128B) { + llq_info->desc_list_entry_size_ctrl = ENA_ADMIN_LIST_ENTRY_SIZE_128B; + llq_info->desc_list_entry_size = 128; + } else if (supported_feat & ENA_ADMIN_LIST_ENTRY_SIZE_192B) { + llq_info->desc_list_entry_size_ctrl = ENA_ADMIN_LIST_ENTRY_SIZE_192B; + llq_info->desc_list_entry_size = 192; + } else if (supported_feat & ENA_ADMIN_LIST_ENTRY_SIZE_256B) { + llq_info->desc_list_entry_size_ctrl = ENA_ADMIN_LIST_ENTRY_SIZE_256B; + llq_info->desc_list_entry_size = 256; + } else { + ena_trc_err("Invalid entry_size_ctrl, supported: 0x%x\n", supported_feat); + return -EINVAL; + } + + ena_trc_err("Default llq ring entry size is not supported, performing fallback, default: 0x%x, supported: 0x%x, used: 0x%x\n", + llq_default_cfg->llq_ring_entry_size, + supported_feat, + llq_info->desc_list_entry_size); + } + if (unlikely(llq_info->desc_list_entry_size & 0x7)) { + /* The desc list entry size should be whole multiply of 8 + * This requirement comes from __iowrite64_copy() + */ + ena_trc_err("illegal entry size %d\n", + llq_info->desc_list_entry_size); + return -EINVAL; + } + + if (llq_info->desc_stride_ctrl == ENA_ADMIN_MULTIPLE_DESCS_PER_ENTRY) + llq_info->descs_per_entry = llq_info->desc_list_entry_size / + sizeof(struct ena_eth_io_tx_desc); + else + llq_info->descs_per_entry = 1; + + supported_feat = llq_features->desc_num_before_header_supported; + if (likely(supported_feat & llq_default_cfg->llq_num_decs_before_header)) { + llq_info->descs_num_before_header = llq_default_cfg->llq_num_decs_before_header; + } else { + if (supported_feat & ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_2) { + llq_info->descs_num_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_2; + } else if (supported_feat & ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_1) { + llq_info->descs_num_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_1; + } else if (supported_feat & ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_4) { + llq_info->descs_num_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_4; + } else if (supported_feat & ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_8) { + llq_info->descs_num_before_header = ENA_ADMIN_LLQ_NUM_DESCS_BEFORE_HEADER_8; + } else { + ena_trc_err("Invalid descs_num_before_header, supported: 0x%x\n", + supported_feat); + return -EINVAL; + } + + ena_trc_err("Default llq num descs before header is not supported, performing fallback, default: 0x%x, supported: 0x%x, used: 0x%x\n", + llq_default_cfg->llq_num_decs_before_header, + supported_feat, + llq_info->descs_num_before_header); + } + /* Check for accelerated queue supported */ + llq_info->disable_meta_caching = + llq_features->accel_mode.u.get.supported_flags & + BIT(ENA_ADMIN_DISABLE_META_CACHING); + + if (llq_features->accel_mode.u.get.supported_flags & BIT(ENA_ADMIN_LIMIT_TX_BURST)) + llq_info->max_entries_in_tx_burst = + llq_features->accel_mode.u.get.max_tx_burst_size / + llq_default_cfg->llq_ring_entry_size_value; + + rc = ena_com_set_llq(ena_dev); + if (rc) + ena_trc_err("Cannot set LLQ configuration: %d\n", rc); + + return rc; +} + +static int ena_com_wait_and_process_admin_cq_interrupts(struct ena_comp_ctx *comp_ctx, + struct ena_com_admin_queue *admin_queue) { unsigned long flags = 0; - int ret = 0; + int ret; ENA_WAIT_EVENT_WAIT(comp_ctx->wait_event, - ADMIN_CMD_TIMEOUT_US); + admin_queue->completion_timeout); /* In case the command wasn't completed find out the root cause. * There might be 2 kinds of errors @@ -543,16 +761,25 @@ ena_com_wait_and_process_admin_cq_interrupts( admin_queue->stats.no_completion++; ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); - if (comp_ctx->status == ENA_CMD_COMPLETED) - ena_trc_err("The ena device have completion but the driver didn't receive any MSI-X interrupt (cmd %d)\n", - comp_ctx->cmd_opcode); - else - ena_trc_err("The ena device doesn't send any completion for the admin cmd %d status %d\n", + if (comp_ctx->status == ENA_CMD_COMPLETED) { + ena_trc_err("The ena device sent a completion but the driver didn't receive a MSI-X interrupt (cmd %d), autopolling mode is %s\n", + comp_ctx->cmd_opcode, admin_queue->auto_polling ? "ON" : "OFF"); + /* Check if fallback to polling is enabled */ + if (admin_queue->auto_polling) + admin_queue->polling = true; + } else { + ena_trc_err("The ena device didn't send a completion for the admin cmd %d status %d\n", comp_ctx->cmd_opcode, comp_ctx->status); - - admin_queue->running_state = false; - ret = ENA_COM_TIMER_EXPIRED; - goto err; + } + /* Check if shifted to polling mode. + * This will happen if there is a completion without an interrupt + * and autopolling mode is enabled. Continuing normal execution in such case + */ + if (!admin_queue->polling) { + admin_queue->running_state = false; + ret = ENA_COM_TIMER_EXPIRED; + goto err; + } } ret = ena_com_comp_status_to_errno(comp_ctx->comp_status); @@ -570,16 +797,18 @@ static u32 ena_com_reg_bar_read32(struct ena_com_dev *ena_dev, u16 offset) struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; volatile struct ena_admin_ena_mmio_req_read_less_resp *read_resp = mmio_read->read_resp; - u32 mmio_read_reg, ret; + u32 mmio_read_reg, ret, i; unsigned long flags = 0; - int i; + u32 timeout = mmio_read->reg_read_to; ENA_MIGHT_SLEEP(); + if (timeout == 0) + timeout = ENA_REG_READ_TIMEOUT; + /* If readless is disabled, perform regular read */ if (!mmio_read->readless_supported) - return ENA_REG_READ32((unsigned char *)ena_dev->reg_bar + - offset); + return ENA_REG_READ32(ena_dev->bus, ena_dev->reg_bar + offset); ENA_SPINLOCK_LOCK(mmio_read->lock, flags); mmio_read->seq_num++; @@ -590,22 +819,17 @@ static u32 ena_com_reg_bar_read32(struct ena_com_dev *ena_dev, u16 offset) mmio_read_reg |= mmio_read->seq_num & ENA_REGS_MMIO_REG_READ_REQ_ID_MASK; - /* make sure read_resp->req_id get updated before the hw can write - * there - */ - wmb(); - - ENA_REG_WRITE32(mmio_read_reg, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_MMIO_REG_READ_OFF); + ENA_REG_WRITE32(ena_dev->bus, mmio_read_reg, + ena_dev->reg_bar + ENA_REGS_MMIO_REG_READ_OFF); - for (i = 0; i < ENA_REG_READ_TIMEOUT; i++) { - if (read_resp->req_id == mmio_read->seq_num) + for (i = 0; i < timeout; i++) { + if (READ_ONCE16(read_resp->req_id) == mmio_read->seq_num) break; ENA_UDELAY(1); } - if (unlikely(i == ENA_REG_READ_TIMEOUT)) { + if (unlikely(i == timeout)) { ena_trc_err("reading reg failed for timeout. expected: req id[%hu] offset[%hu] actual: req id[%hu] offset[%hu]\n", mmio_read->seq_num, offset, @@ -615,10 +839,12 @@ static u32 ena_com_reg_bar_read32(struct ena_com_dev *ena_dev, u16 offset) goto err; } - ENA_ASSERT(read_resp->reg_off == offset, - "Invalid MMIO read return value"); - - ret = read_resp->reg_val; + if (read_resp->reg_off != offset) { + ena_trc_err("Read failure: wrong offset provided\n"); + ret = ENA_MMIO_READ_TIMEOUT; + } else { + ret = read_resp->reg_val; + } err: ENA_SPINLOCK_UNLOCK(mmio_read->lock, flags); @@ -632,9 +858,8 @@ err: * It is expected that the IRQ called ena_com_handle_admin_completion * to mark the completions. */ -static int -ena_com_wait_and_process_admin_cq(struct ena_comp_ctx *comp_ctx, - struct ena_com_admin_queue *admin_queue) +static int ena_com_wait_and_process_admin_cq(struct ena_comp_ctx *comp_ctx, + struct ena_com_admin_queue *admin_queue) { if (admin_queue->polling) return ena_com_wait_and_process_admin_cq_polling(comp_ctx, @@ -653,7 +878,7 @@ static int ena_com_destroy_io_sq(struct ena_com_dev *ena_dev, u8 direction; int ret; - memset(&destroy_cmd, 0x0, sizeof(struct ena_admin_aq_destroy_sq_cmd)); + memset(&destroy_cmd, 0x0, sizeof(destroy_cmd)); if (io_sq->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) direction = ENA_ADMIN_SQ_DIRECTION_TX; @@ -667,12 +892,11 @@ static int ena_com_destroy_io_sq(struct ena_com_dev *ena_dev, destroy_cmd.sq.sq_idx = io_sq->idx; destroy_cmd.aq_common_descriptor.opcode = ENA_ADMIN_DESTROY_SQ; - ret = ena_com_execute_admin_command( - admin_queue, - (struct ena_admin_aq_entry *)&destroy_cmd, - sizeof(destroy_cmd), - (struct ena_admin_acq_entry *)&destroy_resp, - sizeof(destroy_resp)); + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&destroy_cmd, + sizeof(destroy_cmd), + (struct ena_admin_acq_entry *)&destroy_resp, + sizeof(destroy_resp)); if (unlikely(ret && (ret != ENA_COM_NO_DEVICE))) ena_trc_err("failed to destroy io sq error: %d\n", ret); @@ -701,25 +925,31 @@ static void ena_com_io_queue_free(struct ena_com_dev *ena_dev, if (io_sq->desc_addr.virt_addr) { size = io_sq->desc_entry_size * io_sq->q_depth; - if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) - ENA_MEM_FREE_COHERENT(ena_dev->dmadev, - size, - io_sq->desc_addr.virt_addr, - io_sq->desc_addr.phys_addr, - io_sq->desc_addr.mem_handle); - else - ENA_MEM_FREE(ena_dev->dmadev, - io_sq->desc_addr.virt_addr); + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, + size, + io_sq->desc_addr.virt_addr, + io_sq->desc_addr.phys_addr, + io_sq->desc_addr.mem_handle); io_sq->desc_addr.virt_addr = NULL; } + + if (io_sq->bounce_buf_ctrl.base_buffer) { + ENA_MEM_FREE(ena_dev->dmadev, + io_sq->bounce_buf_ctrl.base_buffer, + (io_sq->llq_info.desc_list_entry_size * ENA_COM_BOUNCE_BUFFER_CNTRL_CNT)); + io_sq->bounce_buf_ctrl.base_buffer = NULL; + } } -static int wait_for_reset_state(struct ena_com_dev *ena_dev, - u32 timeout, u16 exp_state) +static int wait_for_reset_state(struct ena_com_dev *ena_dev, u32 timeout, + u16 exp_state) { u32 val, i; + /* Convert timeout from resolution of 100ms to ENA_POLL_MS */ + timeout = (timeout * 100) / ENA_POLL_MS; + for (i = 0; i < timeout; i++) { val = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF); @@ -732,16 +962,14 @@ static int wait_for_reset_state(struct ena_com_dev *ena_dev, exp_state) return 0; - /* The resolution of the timeout is 100ms */ - ENA_MSLEEP(100); + ENA_MSLEEP(ENA_POLL_MS); } return ENA_COM_TIMER_EXPIRED; } -static bool -ena_com_check_supported_feature_id(struct ena_com_dev *ena_dev, - enum ena_admin_aq_feature_id feature_id) +static bool ena_com_check_supported_feature_id(struct ena_com_dev *ena_dev, + enum ena_admin_aq_feature_id feature_id) { u32 feature_mask = 1 << feature_id; @@ -757,20 +985,16 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, struct ena_admin_get_feat_resp *get_resp, enum ena_admin_aq_feature_id feature_id, dma_addr_t control_buf_dma_addr, - u32 control_buff_size) + u32 control_buff_size, + u8 feature_ver) { struct ena_com_admin_queue *admin_queue; struct ena_admin_get_feat_cmd get_cmd; int ret; - if (!ena_dev) { - ena_trc_err("%s : ena_dev is NULL\n", __func__); - return ENA_COM_NO_DEVICE; - } - if (!ena_com_check_supported_feature_id(ena_dev, feature_id)) { - ena_trc_info("Feature %d isn't supported\n", feature_id); - return ENA_COM_PERMISSION; + ena_trc_dbg("Feature %d isn't supported\n", feature_id); + return ENA_COM_UNSUPPORTED; } memset(&get_cmd, 0x0, sizeof(get_cmd)); @@ -793,7 +1017,7 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, } get_cmd.control_buffer.length = control_buff_size; - + get_cmd.feat_common.feature_version = feature_ver; get_cmd.feat_common.feature_id = feature_id; ret = ena_com_execute_admin_command(admin_queue, @@ -813,13 +1037,28 @@ static int ena_com_get_feature_ex(struct ena_com_dev *ena_dev, static int ena_com_get_feature(struct ena_com_dev *ena_dev, struct ena_admin_get_feat_resp *get_resp, - enum ena_admin_aq_feature_id feature_id) + enum ena_admin_aq_feature_id feature_id, + u8 feature_ver) { return ena_com_get_feature_ex(ena_dev, get_resp, feature_id, 0, - 0); + 0, + feature_ver); +} + +static void ena_com_hash_key_fill_default_key(struct ena_com_dev *ena_dev) +{ + struct ena_admin_feature_rss_flow_hash_control *hash_key = + (ena_dev->rss).hash_key; + + ENA_RSS_FILL_KEY(&hash_key->key, sizeof(hash_key->key)); + /* The key is stored in the device in uint32_t array + * as well as the API requires the key to be passed in this + * format. Thus the size of our array should be divided by 4 + */ + hash_key->keys_num = sizeof(hash_key->key) / sizeof(uint32_t); } static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev) @@ -838,7 +1077,7 @@ static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev) return 0; } -static int ena_com_hash_key_destroy(struct ena_com_dev *ena_dev) +static void ena_com_hash_key_destroy(struct ena_com_dev *ena_dev) { struct ena_rss *rss = &ena_dev->rss; @@ -849,7 +1088,6 @@ static int ena_com_hash_key_destroy(struct ena_com_dev *ena_dev) rss->hash_key_dma_addr, rss->hash_key_mem_handle); rss->hash_key = NULL; - return 0; } static int ena_com_hash_ctrl_init(struct ena_com_dev *ena_dev) @@ -862,10 +1100,13 @@ static int ena_com_hash_ctrl_init(struct ena_com_dev *ena_dev) rss->hash_ctrl_dma_addr, rss->hash_ctrl_mem_handle); + if (unlikely(!rss->hash_ctrl)) + return ENA_COM_NO_MEM; + return 0; } -static int ena_com_hash_ctrl_destroy(struct ena_com_dev *ena_dev) +static void ena_com_hash_ctrl_destroy(struct ena_com_dev *ena_dev) { struct ena_rss *rss = &ena_dev->rss; @@ -876,8 +1117,6 @@ static int ena_com_hash_ctrl_destroy(struct ena_com_dev *ena_dev) rss->hash_ctrl_dma_addr, rss->hash_ctrl_mem_handle); rss->hash_ctrl = NULL; - - return 0; } static int ena_com_indirect_table_allocate(struct ena_com_dev *ena_dev, @@ -889,7 +1128,7 @@ static int ena_com_indirect_table_allocate(struct ena_com_dev *ena_dev, int ret; ret = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG); + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG, 0); if (unlikely(ret)) return ret; @@ -902,18 +1141,18 @@ static int ena_com_indirect_table_allocate(struct ena_com_dev *ena_dev, return ENA_COM_INVAL; } - tbl_size = (1 << log_size) * + tbl_size = (1ULL << log_size) * sizeof(struct ena_admin_rss_ind_table_entry); ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, - tbl_size, - rss->rss_ind_tbl, - rss->rss_ind_tbl_dma_addr, - rss->rss_ind_tbl_mem_handle); + tbl_size, + rss->rss_ind_tbl, + rss->rss_ind_tbl_dma_addr, + rss->rss_ind_tbl_mem_handle); if (unlikely(!rss->rss_ind_tbl)) goto mem_err1; - tbl_size = (1 << log_size) * sizeof(u16); + tbl_size = (1ULL << log_size) * sizeof(u16); rss->host_rss_ind_tbl = ENA_MEM_ALLOC(ena_dev->dmadev, tbl_size); if (unlikely(!rss->host_rss_ind_tbl)) @@ -924,7 +1163,7 @@ static int ena_com_indirect_table_allocate(struct ena_com_dev *ena_dev, return 0; mem_err2: - tbl_size = (1 << log_size) * + tbl_size = (1ULL << log_size) * sizeof(struct ena_admin_rss_ind_table_entry); ENA_MEM_FREE_COHERENT(ena_dev->dmadev, @@ -938,10 +1177,10 @@ mem_err1: return ENA_COM_NO_MEM; } -static int ena_com_indirect_table_destroy(struct ena_com_dev *ena_dev) +static void ena_com_indirect_table_destroy(struct ena_com_dev *ena_dev) { struct ena_rss *rss = &ena_dev->rss; - size_t tbl_size = (1 << rss->tbl_log_size) * + size_t tbl_size = (1ULL << rss->tbl_log_size) * sizeof(struct ena_admin_rss_ind_table_entry); if (rss->rss_ind_tbl) @@ -953,10 +1192,10 @@ static int ena_com_indirect_table_destroy(struct ena_com_dev *ena_dev) rss->rss_ind_tbl = NULL; if (rss->host_rss_ind_tbl) - ENA_MEM_FREE(ena_dev->dmadev, rss->host_rss_ind_tbl); + ENA_MEM_FREE(ena_dev->dmadev, + rss->host_rss_ind_tbl, + ((1ULL << rss->tbl_log_size) * sizeof(u16))); rss->host_rss_ind_tbl = NULL; - - return 0; } static int ena_com_create_io_sq(struct ena_com_dev *ena_dev, @@ -968,7 +1207,7 @@ static int ena_com_create_io_sq(struct ena_com_dev *ena_dev, u8 direction; int ret; - memset(&create_cmd, 0x0, sizeof(struct ena_admin_aq_create_sq_cmd)); + memset(&create_cmd, 0x0, sizeof(create_cmd)); create_cmd.aq_common_descriptor.opcode = ENA_ADMIN_CREATE_SQ; @@ -1004,12 +1243,11 @@ static int ena_com_create_io_sq(struct ena_com_dev *ena_dev, } } - ret = ena_com_execute_admin_command( - admin_queue, - (struct ena_admin_aq_entry *)&create_cmd, - sizeof(create_cmd), - (struct ena_admin_acq_entry *)&cmd_completion, - sizeof(cmd_completion)); + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&create_cmd, + sizeof(create_cmd), + (struct ena_admin_acq_entry *)&cmd_completion, + sizeof(cmd_completion)); if (unlikely(ret)) { ena_trc_err("Failed to create IO SQ. error: %d\n", ret); return ret; @@ -1057,63 +1295,29 @@ static int ena_com_ind_tbl_convert_to_device(struct ena_com_dev *ena_dev) return 0; } -static int ena_com_ind_tbl_convert_from_device(struct ena_com_dev *ena_dev) -{ - u16 dev_idx_to_host_tbl[ENA_TOTAL_NUM_QUEUES] = { -1 }; - struct ena_rss *rss = &ena_dev->rss; - u16 idx, i; - - for (i = 0; i < ENA_TOTAL_NUM_QUEUES; i++) - dev_idx_to_host_tbl[ena_dev->io_sq_queues[i].idx] = i; - - for (i = 0; i < 1 << rss->tbl_log_size; i++) { - idx = rss->rss_ind_tbl[i].cq_idx; - if (idx > ENA_TOTAL_NUM_QUEUES) - return ENA_COM_INVAL; - - if (dev_idx_to_host_tbl[idx] > ENA_TOTAL_NUM_QUEUES) - return ENA_COM_INVAL; - - rss->host_rss_ind_tbl[i] = dev_idx_to_host_tbl[idx]; - } - - return 0; -} - -static int ena_com_init_interrupt_moderation_table(struct ena_com_dev *ena_dev) -{ - size_t size; - - size = sizeof(struct ena_intr_moder_entry) * ENA_INTR_MAX_NUM_OF_LEVELS; - - ena_dev->intr_moder_tbl = ENA_MEM_ALLOC(ena_dev->dmadev, size); - if (!ena_dev->intr_moder_tbl) - return ENA_COM_NO_MEM; - - ena_com_config_default_interrupt_moderation_table(ena_dev); - - return 0; -} - -static void -ena_com_update_intr_delay_resolution(struct ena_com_dev *ena_dev, - unsigned int intr_delay_resolution) +static void ena_com_update_intr_delay_resolution(struct ena_com_dev *ena_dev, + u16 intr_delay_resolution) { - struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; - unsigned int i; + u16 prev_intr_delay_resolution = ena_dev->intr_delay_resolution; - if (!intr_delay_resolution) { + if (unlikely(!intr_delay_resolution)) { ena_trc_err("Illegal intr_delay_resolution provided. Going to use default 1 usec resolution\n"); - intr_delay_resolution = 1; + intr_delay_resolution = ENA_DEFAULT_INTR_DELAY_RESOLUTION; } - ena_dev->intr_delay_resolution = intr_delay_resolution; /* update Rx */ - for (i = 0; i < ENA_INTR_MAX_NUM_OF_LEVELS; i++) - intr_moder_tbl[i].intr_moder_interval /= intr_delay_resolution; + ena_dev->intr_moder_rx_interval = + ena_dev->intr_moder_rx_interval * + prev_intr_delay_resolution / + intr_delay_resolution; /* update Tx */ - ena_dev->intr_moder_tx_interval /= intr_delay_resolution; + ena_dev->intr_moder_tx_interval = + ena_dev->intr_moder_tx_interval * + prev_intr_delay_resolution / + intr_delay_resolution; + + ena_dev->intr_delay_resolution = intr_delay_resolution; } /*****************************************************************************/ @@ -1127,13 +1331,18 @@ int ena_com_execute_admin_command(struct ena_com_admin_queue *admin_queue, size_t comp_size) { struct ena_comp_ctx *comp_ctx; - int ret = 0; + int ret; comp_ctx = ena_com_submit_admin_cmd(admin_queue, cmd, cmd_size, comp, comp_size); - if (unlikely(IS_ERR(comp_ctx))) { - ena_trc_err("Failed to submit command [%ld]\n", - PTR_ERR(comp_ctx)); + if (IS_ERR(comp_ctx)) { + if (comp_ctx == ERR_PTR(ENA_COM_NO_DEVICE)) + ena_trc_dbg("Failed to submit command [%ld]\n", + PTR_ERR(comp_ctx)); + else + ena_trc_err("Failed to submit command [%ld]\n", + PTR_ERR(comp_ctx)); + return PTR_ERR(comp_ctx); } @@ -1157,7 +1366,7 @@ int ena_com_create_io_cq(struct ena_com_dev *ena_dev, struct ena_admin_acq_create_cq_resp_desc cmd_completion; int ret; - memset(&create_cmd, 0x0, sizeof(struct ena_admin_aq_create_cq_cmd)); + memset(&create_cmd, 0x0, sizeof(create_cmd)); create_cmd.aq_common_descriptor.opcode = ENA_ADMIN_CREATE_CQ; @@ -1177,35 +1386,30 @@ int ena_com_create_io_cq(struct ena_com_dev *ena_dev, return ret; } - ret = ena_com_execute_admin_command( - admin_queue, - (struct ena_admin_aq_entry *)&create_cmd, - sizeof(create_cmd), - (struct ena_admin_acq_entry *)&cmd_completion, - sizeof(cmd_completion)); + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&create_cmd, + sizeof(create_cmd), + (struct ena_admin_acq_entry *)&cmd_completion, + sizeof(cmd_completion)); if (unlikely(ret)) { ena_trc_err("Failed to create IO CQ. error: %d\n", ret); return ret; } io_cq->idx = cmd_completion.cq_idx; - io_cq->db_addr = (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + - cmd_completion.cq_doorbell_offset); - - if (io_cq->q_depth != cmd_completion.cq_actual_depth) { - ena_trc_err("completion actual queue size (%d) is differ from requested size (%d)\n", - cmd_completion.cq_actual_depth, io_cq->q_depth); - ena_com_destroy_io_cq(ena_dev, io_cq); - return ENA_COM_NO_SPACE; - } io_cq->unmask_reg = (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + - cmd_completion.cq_interrupt_unmask_register); + cmd_completion.cq_interrupt_unmask_register_offset); - if (cmd_completion.cq_head_db_offset) + if (cmd_completion.cq_head_db_register_offset) io_cq->cq_head_db_reg = (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + - cmd_completion.cq_head_db_offset); + cmd_completion.cq_head_db_register_offset); + + if (cmd_completion.numa_node_register_offset) + io_cq->numa_node_cfg_reg = + (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + cmd_completion.numa_node_register_offset); ena_trc_dbg("created cq[%u], depth[%u]\n", io_cq->idx, io_cq->q_depth); @@ -1239,6 +1443,9 @@ void ena_com_abort_admin_commands(struct ena_com_dev *ena_dev) for (i = 0; i < admin_queue->q_depth; i++) { comp_ctx = get_comp_ctxt(admin_queue, i, false); + if (unlikely(!comp_ctx)) + break; + comp_ctx->status = ENA_CMD_ABORTED; ENA_WAIT_EVENT_SIGNAL(comp_ctx->wait_event); @@ -1253,7 +1460,7 @@ void ena_com_wait_for_abort_completion(struct ena_com_dev *ena_dev) ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); while (ATOMIC32_READ(&admin_queue->outstanding_cmds) != 0) { ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); - ENA_MSLEEP(20); + ENA_MSLEEP(ENA_POLL_MS); ENA_SPINLOCK_LOCK(admin_queue->q_lock, flags); } ENA_SPINLOCK_UNLOCK(admin_queue->q_lock, flags); @@ -1267,17 +1474,16 @@ int ena_com_destroy_io_cq(struct ena_com_dev *ena_dev, struct ena_admin_acq_destroy_cq_resp_desc destroy_resp; int ret; - memset(&destroy_cmd, 0x0, sizeof(struct ena_admin_aq_destroy_sq_cmd)); + memset(&destroy_cmd, 0x0, sizeof(destroy_cmd)); destroy_cmd.cq_idx = io_cq->idx; destroy_cmd.aq_common_descriptor.opcode = ENA_ADMIN_DESTROY_CQ; - ret = ena_com_execute_admin_command( - admin_queue, - (struct ena_admin_aq_entry *)&destroy_cmd, - sizeof(destroy_cmd), - (struct ena_admin_acq_entry *)&destroy_resp, - sizeof(destroy_resp)); + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)&destroy_cmd, + sizeof(destroy_cmd), + (struct ena_admin_acq_entry *)&destroy_resp, + sizeof(destroy_resp)); if (unlikely(ret && (ret != ENA_COM_NO_DEVICE))) ena_trc_err("Failed to destroy IO CQ. error: %d\n", ret); @@ -1304,13 +1510,12 @@ void ena_com_admin_aenq_enable(struct ena_com_dev *ena_dev) { u16 depth = ena_dev->aenq.q_depth; - ENA_ASSERT(ena_dev->aenq.head == depth, "Invliad AENQ state\n"); + ENA_WARN(ena_dev->aenq.head != depth, "Invalid AENQ state\n"); /* Init head_db to mark that all entries in the queue * are initially available */ - ENA_REG_WRITE32(depth, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_AENQ_HEAD_DB_OFF); + ENA_REG_WRITE32(ena_dev->bus, depth, ena_dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF); } int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag) @@ -1319,24 +1524,19 @@ int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag) struct ena_admin_set_feat_cmd cmd; struct ena_admin_set_feat_resp resp; struct ena_admin_get_feat_resp get_resp; - int ret = 0; - - if (unlikely(!ena_dev)) { - ena_trc_err("%s : ena_dev is NULL\n", __func__); - return ENA_COM_NO_DEVICE; - } + int ret; - ret = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_AENQ_CONFIG); + ret = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_AENQ_CONFIG, 0); if (ret) { ena_trc_info("Can't get aenq configuration\n"); return ret; } if ((get_resp.u.aenq.supported_groups & groups_flag) != groups_flag) { - ena_trc_warn("Trying to set unsupported aenq events. supported flag: %x asked flag: %x\n", + ena_trc_warn("Trying to set unsupported aenq events. supported flag: 0x%x asked flag: 0x%x\n", get_resp.u.aenq.supported_groups, groups_flag); - return ENA_COM_PERMISSION; + return ENA_COM_UNSUPPORTED; } memset(&cmd, 0x0, sizeof(cmd)); @@ -1408,11 +1608,6 @@ int ena_com_validate_version(struct ena_com_dev *ena_dev) ENA_REGS_VERSION_MAJOR_VERSION_SHIFT, ver & ENA_REGS_VERSION_MINOR_VERSION_MASK); - if (ver < MIN_ENA_VER) { - ena_trc_err("ENA version is lower than the minimal version the driver supports\n"); - return -1; - } - ena_trc_info("ena controller version: %d.%d.%d implementation version %d\n", (ctrl_ver & ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK) >> ENA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT, @@ -1439,44 +1634,60 @@ int ena_com_validate_version(struct ena_com_dev *ena_dev) void ena_com_admin_destroy(struct ena_com_dev *ena_dev) { struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; + struct ena_com_admin_cq *cq = &admin_queue->cq; + struct ena_com_admin_sq *sq = &admin_queue->sq; + struct ena_com_aenq *aenq = &ena_dev->aenq; + u16 size; - if (!admin_queue) - return; - + ENA_WAIT_EVENT_DESTROY(admin_queue->comp_ctx->wait_event); if (admin_queue->comp_ctx) - ENA_MEM_FREE(ena_dev->dmadev, admin_queue->comp_ctx); + ENA_MEM_FREE(ena_dev->dmadev, + admin_queue->comp_ctx, + (admin_queue->q_depth * sizeof(struct ena_comp_ctx))); admin_queue->comp_ctx = NULL; - - if (admin_queue->sq.entries) - ENA_MEM_FREE_COHERENT(ena_dev->dmadev, - ADMIN_SQ_SIZE(admin_queue->q_depth), - admin_queue->sq.entries, - admin_queue->sq.dma_addr, - admin_queue->sq.mem_handle); - admin_queue->sq.entries = NULL; - - if (admin_queue->cq.entries) - ENA_MEM_FREE_COHERENT(ena_dev->dmadev, - ADMIN_CQ_SIZE(admin_queue->q_depth), - admin_queue->cq.entries, - admin_queue->cq.dma_addr, - admin_queue->cq.mem_handle); - admin_queue->cq.entries = NULL; - + size = ADMIN_SQ_SIZE(admin_queue->q_depth); + if (sq->entries) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, size, sq->entries, + sq->dma_addr, sq->mem_handle); + sq->entries = NULL; + + size = ADMIN_CQ_SIZE(admin_queue->q_depth); + if (cq->entries) + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, size, cq->entries, + cq->dma_addr, cq->mem_handle); + cq->entries = NULL; + + size = ADMIN_AENQ_SIZE(aenq->q_depth); if (ena_dev->aenq.entries) - ENA_MEM_FREE_COHERENT(ena_dev->dmadev, - ADMIN_AENQ_SIZE(ena_dev->aenq.q_depth), - ena_dev->aenq.entries, - ena_dev->aenq.dma_addr, - ena_dev->aenq.mem_handle); - ena_dev->aenq.entries = NULL; + ENA_MEM_FREE_COHERENT(ena_dev->dmadev, size, aenq->entries, + aenq->dma_addr, aenq->mem_handle); + aenq->entries = NULL; + ENA_SPINLOCK_DESTROY(admin_queue->q_lock); } void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling) { + u32 mask_value = 0; + + if (polling) + mask_value = ENA_REGS_ADMIN_INTR_MASK; + + ENA_REG_WRITE32(ena_dev->bus, mask_value, + ena_dev->reg_bar + ENA_REGS_INTR_MASK_OFF); ena_dev->admin_queue.polling = polling; } +bool ena_com_get_admin_polling_mode(struct ena_com_dev * ena_dev) +{ + return ena_dev->admin_queue.polling; +} + +void ena_com_set_admin_auto_polling_mode(struct ena_com_dev *ena_dev, + bool polling) +{ + ena_dev->admin_queue.auto_polling = polling; +} + int ena_com_mmio_reg_read_request_init(struct ena_com_dev *ena_dev) { struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; @@ -1488,7 +1699,7 @@ int ena_com_mmio_reg_read_request_init(struct ena_com_dev *ena_dev) mmio_read->read_resp_dma_addr, mmio_read->read_resp_mem_handle); if (unlikely(!mmio_read->read_resp)) - return ENA_COM_NO_MEM; + goto err; ena_com_mmio_reg_read_request_write_dev_addr(ena_dev); @@ -1497,10 +1708,13 @@ int ena_com_mmio_reg_read_request_init(struct ena_com_dev *ena_dev) mmio_read->readless_supported = true; return 0; + +err: + ENA_SPINLOCK_DESTROY(mmio_read->lock); + return ENA_COM_NO_MEM; } -void -ena_com_set_mmio_read_mode(struct ena_com_dev *ena_dev, bool readless_supported) +void ena_com_set_mmio_read_mode(struct ena_com_dev *ena_dev, bool readless_supported) { struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; @@ -1511,10 +1725,8 @@ void ena_com_mmio_reg_read_request_destroy(struct ena_com_dev *ena_dev) { struct ena_com_mmio_read *mmio_read = &ena_dev->mmio_read; - ENA_REG_WRITE32(0x0, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_MMIO_RESP_LO_OFF); - ENA_REG_WRITE32(0x0, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_MMIO_RESP_HI_OFF); + ENA_REG_WRITE32(ena_dev->bus, 0x0, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, 0x0, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_HI_OFF); ENA_MEM_FREE_COHERENT(ena_dev->dmadev, sizeof(*mmio_read->read_resp), @@ -1523,6 +1735,7 @@ void ena_com_mmio_reg_read_request_destroy(struct ena_com_dev *ena_dev) mmio_read->read_resp_mem_handle); mmio_read->read_resp = NULL; + ENA_SPINLOCK_DESTROY(mmio_read->lock); } void ena_com_mmio_reg_read_request_write_dev_addr(struct ena_com_dev *ena_dev) @@ -1533,15 +1746,12 @@ void ena_com_mmio_reg_read_request_write_dev_addr(struct ena_com_dev *ena_dev) addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(mmio_read->read_resp_dma_addr); addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(mmio_read->read_resp_dma_addr); - ENA_REG_WRITE32(addr_low, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_MMIO_RESP_LO_OFF); - ENA_REG_WRITE32(addr_high, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_MMIO_RESP_HI_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_low, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_high, ena_dev->reg_bar + ENA_REGS_MMIO_RESP_HI_OFF); } int ena_com_admin_init(struct ena_com_dev *ena_dev, - struct ena_aenq_handlers *aenq_handlers, - bool init_spinlock) + struct ena_aenq_handlers *aenq_handlers) { struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue; u32 aq_caps, acq_caps, dev_sts, addr_low, addr_high; @@ -1556,19 +1766,19 @@ int ena_com_admin_init(struct ena_com_dev *ena_dev, if (!(dev_sts & ENA_REGS_DEV_STS_READY_MASK)) { ena_trc_err("Device isn't ready, abort com init\n"); - return -1; + return ENA_COM_NO_DEVICE; } admin_queue->q_depth = ENA_ADMIN_QUEUE_DEPTH; + admin_queue->bus = ena_dev->bus; admin_queue->q_dmadev = ena_dev->dmadev; admin_queue->polling = false; admin_queue->curr_cmd_id = 0; ATOMIC32_SET(&admin_queue->outstanding_cmds, 0); - if (init_spinlock) - ENA_SPINLOCK_INIT(admin_queue->q_lock); + ENA_SPINLOCK_INIT(admin_queue->q_lock); ret = ena_com_init_comp_ctxt(admin_queue); if (ret) @@ -1582,24 +1792,20 @@ int ena_com_admin_init(struct ena_com_dev *ena_dev, if (ret) goto error; - admin_queue->sq.db_addr = (u32 __iomem *) - ((unsigned char *)ena_dev->reg_bar + ENA_REGS_AQ_DB_OFF); + admin_queue->sq.db_addr = (u32 __iomem *)((uintptr_t)ena_dev->reg_bar + + ENA_REGS_AQ_DB_OFF); addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(admin_queue->sq.dma_addr); addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(admin_queue->sq.dma_addr); - ENA_REG_WRITE32(addr_low, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_AQ_BASE_LO_OFF); - ENA_REG_WRITE32(addr_high, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_AQ_BASE_HI_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_low, ena_dev->reg_bar + ENA_REGS_AQ_BASE_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_high, ena_dev->reg_bar + ENA_REGS_AQ_BASE_HI_OFF); addr_low = ENA_DMA_ADDR_TO_UINT32_LOW(admin_queue->cq.dma_addr); addr_high = ENA_DMA_ADDR_TO_UINT32_HIGH(admin_queue->cq.dma_addr); - ENA_REG_WRITE32(addr_low, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_ACQ_BASE_LO_OFF); - ENA_REG_WRITE32(addr_high, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_ACQ_BASE_HI_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_low, ena_dev->reg_bar + ENA_REGS_ACQ_BASE_LO_OFF); + ENA_REG_WRITE32(ena_dev->bus, addr_high, ena_dev->reg_bar + ENA_REGS_ACQ_BASE_HI_OFF); aq_caps = 0; aq_caps |= admin_queue->q_depth & ENA_REGS_AQ_CAPS_AQ_DEPTH_MASK; @@ -1613,10 +1819,8 @@ int ena_com_admin_init(struct ena_com_dev *ena_dev, ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT) & ENA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK; - ENA_REG_WRITE32(aq_caps, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_AQ_CAPS_OFF); - ENA_REG_WRITE32(acq_caps, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_ACQ_CAPS_OFF); + ENA_REG_WRITE32(ena_dev->bus, aq_caps, ena_dev->reg_bar + ENA_REGS_AQ_CAPS_OFF); + ENA_REG_WRITE32(ena_dev->bus, acq_caps, ena_dev->reg_bar + ENA_REGS_ACQ_CAPS_OFF); ret = ena_com_admin_init_aenq(ena_dev, aenq_handlers); if (ret) goto error; @@ -1631,50 +1835,46 @@ error: } int ena_com_create_io_queue(struct ena_com_dev *ena_dev, - u16 qid, - enum queue_direction direction, - enum ena_admin_placement_policy_type mem_queue_type, - u32 msix_vector, - u16 queue_size) + struct ena_com_create_io_ctx *ctx) { struct ena_com_io_sq *io_sq; struct ena_com_io_cq *io_cq; - int ret = 0; + int ret; - if (qid >= ENA_TOTAL_NUM_QUEUES) { + if (ctx->qid >= ENA_TOTAL_NUM_QUEUES) { ena_trc_err("Qid (%d) is bigger than max num of queues (%d)\n", - qid, ENA_TOTAL_NUM_QUEUES); + ctx->qid, ENA_TOTAL_NUM_QUEUES); return ENA_COM_INVAL; } - io_sq = &ena_dev->io_sq_queues[qid]; - io_cq = &ena_dev->io_cq_queues[qid]; + io_sq = &ena_dev->io_sq_queues[ctx->qid]; + io_cq = &ena_dev->io_cq_queues[ctx->qid]; - memset(io_sq, 0x0, sizeof(struct ena_com_io_sq)); - memset(io_cq, 0x0, sizeof(struct ena_com_io_cq)); + memset(io_sq, 0x0, sizeof(*io_sq)); + memset(io_cq, 0x0, sizeof(*io_cq)); /* Init CQ */ - io_cq->q_depth = queue_size; - io_cq->direction = direction; - io_cq->qid = qid; + io_cq->q_depth = ctx->queue_size; + io_cq->direction = ctx->direction; + io_cq->qid = ctx->qid; - io_cq->msix_vector = msix_vector; + io_cq->msix_vector = ctx->msix_vector; - io_sq->q_depth = queue_size; - io_sq->direction = direction; - io_sq->qid = qid; + io_sq->q_depth = ctx->queue_size; + io_sq->direction = ctx->direction; + io_sq->qid = ctx->qid; - io_sq->mem_queue_type = mem_queue_type; + io_sq->mem_queue_type = ctx->mem_queue_type; - if (direction == ENA_COM_IO_QUEUE_DIRECTION_TX) + if (ctx->direction == ENA_COM_IO_QUEUE_DIRECTION_TX) /* header length is limited to 8 bits */ io_sq->tx_max_header_size = - ENA_MIN16(ena_dev->tx_max_header_size, SZ_256); + ENA_MIN32(ena_dev->tx_max_header_size, SZ_256); - ret = ena_com_init_io_sq(ena_dev, io_sq); + ret = ena_com_init_io_sq(ena_dev, ctx, io_sq); if (ret) goto error; - ret = ena_com_init_io_cq(ena_dev, io_cq); + ret = ena_com_init_io_cq(ena_dev, ctx, io_cq); if (ret) goto error; @@ -1718,7 +1918,7 @@ void ena_com_destroy_io_queue(struct ena_com_dev *ena_dev, u16 qid) int ena_com_get_link_params(struct ena_com_dev *ena_dev, struct ena_admin_get_feat_resp *resp) { - return ena_com_get_feature(ena_dev, resp, ENA_ADMIN_LINK_CONFIG); + return ena_com_get_feature(ena_dev, resp, ENA_ADMIN_LINK_CONFIG, 0); } int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, @@ -1728,7 +1928,7 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, int rc; rc = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_DEVICE_ATTRIBUTES); + ENA_ADMIN_DEVICE_ATTRIBUTES, 0); if (rc) return rc; @@ -1736,17 +1936,34 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, sizeof(get_resp.u.dev_attr)); ena_dev->supported_features = get_resp.u.dev_attr.supported_features; - rc = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_MAX_QUEUES_NUM); - if (rc) - return rc; + if (ena_dev->supported_features & BIT(ENA_ADMIN_MAX_QUEUES_EXT)) { + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_MAX_QUEUES_EXT, + ENA_FEATURE_MAX_QUEUE_EXT_VER); + if (rc) + return rc; + + if (get_resp.u.max_queue_ext.version != ENA_FEATURE_MAX_QUEUE_EXT_VER) + return -EINVAL; + + memcpy(&get_feat_ctx->max_queue_ext, &get_resp.u.max_queue_ext, + sizeof(get_resp.u.max_queue_ext)); + ena_dev->tx_max_header_size = + get_resp.u.max_queue_ext.max_queue_ext.max_tx_header_size; + } else { + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_MAX_QUEUES_NUM, 0); + memcpy(&get_feat_ctx->max_queues, &get_resp.u.max_queue, + sizeof(get_resp.u.max_queue)); + ena_dev->tx_max_header_size = + get_resp.u.max_queue.max_header_size; - memcpy(&get_feat_ctx->max_queues, &get_resp.u.max_queue, - sizeof(get_resp.u.max_queue)); - ena_dev->tx_max_header_size = get_resp.u.max_queue.max_header_size; + if (rc) + return rc; + } rc = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_AENQ_CONFIG); + ENA_ADMIN_AENQ_CONFIG, 0); if (rc) return rc; @@ -1754,13 +1971,46 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev, sizeof(get_resp.u.aenq)); rc = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_STATELESS_OFFLOAD_CONFIG); + ENA_ADMIN_STATELESS_OFFLOAD_CONFIG, 0); if (rc) return rc; memcpy(&get_feat_ctx->offload, &get_resp.u.offload, sizeof(get_resp.u.offload)); + /* Driver hints isn't mandatory admin command. So in case the + * command isn't supported set driver hints to 0 + */ + rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_HW_HINTS, 0); + + if (!rc) + memcpy(&get_feat_ctx->hw_hints, &get_resp.u.hw_hints, + sizeof(get_resp.u.hw_hints)); + else if (rc == ENA_COM_UNSUPPORTED) + memset(&get_feat_ctx->hw_hints, 0x0, sizeof(get_feat_ctx->hw_hints)); + else + return rc; + + rc = ena_com_get_feature(ena_dev, &get_resp, ENA_ADMIN_LLQ, 0); + if (!rc) + memcpy(&get_feat_ctx->llq, &get_resp.u.llq, + sizeof(get_resp.u.llq)); + else if (rc == ENA_COM_UNSUPPORTED) + memset(&get_feat_ctx->llq, 0x0, sizeof(get_feat_ctx->llq)); + else + return rc; + + rc = ena_com_get_feature(ena_dev, &get_resp, + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG, 0); + if (!rc) + memcpy(&get_feat_ctx->ind_table, &get_resp.u.ind_table, + sizeof(get_resp.u.ind_table)); + else if (rc == ENA_COM_UNSUPPORTED) + memset(&get_feat_ctx->ind_table, 0x0, + sizeof(get_feat_ctx->ind_table)); + else + return rc; + return 0; } @@ -1792,6 +2042,7 @@ void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data) struct ena_admin_aenq_entry *aenq_e; struct ena_admin_aenq_common_desc *aenq_common; struct ena_com_aenq *aenq = &dev->aenq; + u64 timestamp; ena_aenq_handler handler_cb; u16 masked_head, processed = 0; u8 phase; @@ -1802,13 +2053,20 @@ void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data) aenq_common = &aenq_e->aenq_common_desc; /* Go over all the events */ - while ((aenq_common->flags & ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK) == - phase) { - ena_trc_dbg("AENQ! Group[%x] Syndrom[%x] timestamp: [%llus]\n", + while ((READ_ONCE8(aenq_common->flags) & + ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK) == phase) { + /* Make sure the phase bit (ownership) is as expected before + * reading the rest of the descriptor. + */ + dma_rmb(); + + timestamp = (u64)aenq_common->timestamp_low | + ((u64)aenq_common->timestamp_high << 32); + ENA_TOUCH(timestamp); /* In case debug is disabled */ + ena_trc_dbg("AENQ! Group[%x] Syndrom[%x] timestamp: [%" ENA_PRIu64 "s]\n", aenq_common->group, aenq_common->syndrom, - (unsigned long long)aenq_common->timestamp_low + - ((u64)aenq_common->timestamp_high << 32)); + timestamp); /* Handle specific event*/ handler_cb = ena_com_get_specific_aenq_cb(dev, @@ -1836,27 +2094,15 @@ void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data) /* write the aenq doorbell after all AENQ descriptors were read */ mb(); - ENA_REG_WRITE32((u32)aenq->head, (unsigned char *)dev->reg_bar - + ENA_REGS_AENQ_HEAD_DB_OFF); -} - -/* Sets the function Idx and Queue Idx to be used for - * get full statistics feature - */ -int ena_com_extended_stats_set_func_queue(struct ena_com_dev *ena_dev, - u32 func_queue) -{ - /* Function & Queue is acquired from user in the following format : - * Bottom Half word: funct - * Top Half Word: queue - */ - ena_dev->stats_func = ENA_EXTENDED_STAT_GET_FUNCT(func_queue); - ena_dev->stats_queue = ENA_EXTENDED_STAT_GET_QUEUE(func_queue); - - return 0; + ENA_REG_WRITE32_RELAXED(dev->bus, (u32)aenq->head, + dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF); +#ifndef MMIOWB_NOT_DEFINED + mmiowb(); +#endif } -int ena_com_dev_reset(struct ena_com_dev *ena_dev) +int ena_com_dev_reset(struct ena_com_dev *ena_dev, + enum ena_regs_reset_reason_types reset_reason) { u32 stat, timeout, cap, reset_val; int rc; @@ -1884,8 +2130,9 @@ int ena_com_dev_reset(struct ena_com_dev *ena_dev) /* start reset */ reset_val = ENA_REGS_DEV_CTL_DEV_RESET_MASK; - ENA_REG_WRITE32(reset_val, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_DEV_CTL_OFF); + reset_val |= (reset_reason << ENA_REGS_DEV_CTL_RESET_REASON_SHIFT) & + ENA_REGS_DEV_CTL_RESET_REASON_MASK; + ENA_REG_WRITE32(ena_dev->bus, reset_val, ena_dev->reg_bar + ENA_REGS_DEV_CTL_OFF); /* Write again the MMIO read request address */ ena_com_mmio_reg_read_request_write_dev_addr(ena_dev); @@ -1898,29 +2145,32 @@ int ena_com_dev_reset(struct ena_com_dev *ena_dev) } /* reset done */ - ENA_REG_WRITE32(0, (unsigned char *)ena_dev->reg_bar - + ENA_REGS_DEV_CTL_OFF); + ENA_REG_WRITE32(ena_dev->bus, 0, ena_dev->reg_bar + ENA_REGS_DEV_CTL_OFF); rc = wait_for_reset_state(ena_dev, timeout, 0); if (rc != 0) { ena_trc_err("Reset indication didn't turn off\n"); return rc; } + timeout = (cap & ENA_REGS_CAPS_ADMIN_CMD_TO_MASK) >> + ENA_REGS_CAPS_ADMIN_CMD_TO_SHIFT; + if (timeout) + /* the resolution of timeout reg is 100ms */ + ena_dev->admin_queue.completion_timeout = timeout * 100000; + else + ena_dev->admin_queue.completion_timeout = ADMIN_CMD_TIMEOUT_US; + return 0; } static int ena_get_dev_stats(struct ena_com_dev *ena_dev, - struct ena_admin_aq_get_stats_cmd *get_cmd, - struct ena_admin_acq_get_stats_resp *get_resp, + struct ena_com_stats_ctx *ctx, enum ena_admin_get_stats_type type) { + struct ena_admin_aq_get_stats_cmd *get_cmd = &ctx->get_cmd; + struct ena_admin_acq_get_stats_resp *get_resp = &ctx->get_resp; struct ena_com_admin_queue *admin_queue; - int ret = 0; - - if (!ena_dev) { - ena_trc_err("%s : ena_dev is NULL\n", __func__); - return ENA_COM_NO_DEVICE; - } + int ret; admin_queue = &ena_dev->admin_queue; @@ -1928,12 +2178,11 @@ static int ena_get_dev_stats(struct ena_com_dev *ena_dev, get_cmd->aq_common_descriptor.flags = 0; get_cmd->type = type; - ret = ena_com_execute_admin_command( - admin_queue, - (struct ena_admin_aq_entry *)get_cmd, - sizeof(*get_cmd), - (struct ena_admin_acq_entry *)get_resp, - sizeof(*get_resp)); + ret = ena_com_execute_admin_command(admin_queue, + (struct ena_admin_aq_entry *)get_cmd, + sizeof(*get_cmd), + (struct ena_admin_acq_entry *)get_resp, + sizeof(*get_resp)); if (unlikely(ret)) ena_trc_err("Failed to get stats. error: %d\n", ret); @@ -1944,60 +2193,15 @@ static int ena_get_dev_stats(struct ena_com_dev *ena_dev, int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev, struct ena_admin_basic_stats *stats) { - int ret = 0; - struct ena_admin_aq_get_stats_cmd get_cmd; - struct ena_admin_acq_get_stats_resp get_resp; + struct ena_com_stats_ctx ctx; + int ret; - memset(&get_cmd, 0x0, sizeof(get_cmd)); - ret = ena_get_dev_stats(ena_dev, &get_cmd, &get_resp, - ENA_ADMIN_GET_STATS_TYPE_BASIC); + memset(&ctx, 0x0, sizeof(ctx)); + ret = ena_get_dev_stats(ena_dev, &ctx, ENA_ADMIN_GET_STATS_TYPE_BASIC); if (likely(ret == 0)) - memcpy(stats, &get_resp.basic_stats, - sizeof(get_resp.basic_stats)); - - return ret; -} - -int ena_com_get_dev_extended_stats(struct ena_com_dev *ena_dev, char *buff, - u32 len) -{ - int ret = 0; - struct ena_admin_aq_get_stats_cmd get_cmd; - struct ena_admin_acq_get_stats_resp get_resp; - ena_mem_handle_t mem_handle; - void *virt_addr; - dma_addr_t phys_addr; - - ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, len, - virt_addr, phys_addr, mem_handle); - if (!virt_addr) { - ret = ENA_COM_NO_MEM; - goto done; - } - memset(&get_cmd, 0x0, sizeof(get_cmd)); - ret = ena_com_mem_addr_set(ena_dev, - &get_cmd.u.control_buffer.address, - phys_addr); - if (unlikely(ret)) { - ena_trc_err("memory address set failed\n"); - return ret; - } - get_cmd.u.control_buffer.length = len; - - get_cmd.device_id = ena_dev->stats_func; - get_cmd.queue_idx = ena_dev->stats_queue; + memcpy(stats, &ctx.get_resp.basic_stats, + sizeof(ctx.get_resp.basic_stats)); - ret = ena_get_dev_stats(ena_dev, &get_cmd, &get_resp, - ENA_ADMIN_GET_STATS_TYPE_EXTENDED); - if (ret < 0) - goto free_ext_stats_mem; - - ret = snprintf(buff, len, "%s", (char *)virt_addr); - -free_ext_stats_mem: - ENA_MEM_FREE_COHERENT(ena_dev->dmadev, len, virt_addr, phys_addr, - mem_handle); -done: return ret; } @@ -2006,16 +2210,11 @@ int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu) struct ena_com_admin_queue *admin_queue; struct ena_admin_set_feat_cmd cmd; struct ena_admin_set_feat_resp resp; - int ret = 0; - - if (unlikely(!ena_dev)) { - ena_trc_err("%s : ena_dev is NULL\n", __func__); - return ENA_COM_NO_DEVICE; - } + int ret; if (!ena_com_check_supported_feature_id(ena_dev, ENA_ADMIN_MTU)) { - ena_trc_info("Feature %d isn't supported\n", ENA_ADMIN_MTU); - return ENA_COM_PERMISSION; + ena_trc_dbg("Feature %d isn't supported\n", ENA_ADMIN_MTU); + return ENA_COM_UNSUPPORTED; } memset(&cmd, 0x0, sizeof(cmd)); @@ -2032,11 +2231,10 @@ int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, int mtu) (struct ena_admin_acq_entry *)&resp, sizeof(resp)); - if (unlikely(ret)) { + if (unlikely(ret)) ena_trc_err("Failed to set mtu %d. error: %d\n", mtu, ret); - return ENA_COM_INVAL; - } - return 0; + + return ret; } int ena_com_get_offload_settings(struct ena_com_dev *ena_dev, @@ -2046,10 +2244,10 @@ int ena_com_get_offload_settings(struct ena_com_dev *ena_dev, struct ena_admin_get_feat_resp resp; ret = ena_com_get_feature(ena_dev, &resp, - ENA_ADMIN_STATELESS_OFFLOAD_CONFIG); + ENA_ADMIN_STATELESS_OFFLOAD_CONFIG, 0); if (unlikely(ret)) { ena_trc_err("Failed to get offload capabilities %d\n", ret); - return ENA_COM_INVAL; + return ret; } memcpy(offload, &resp.u.offload, sizeof(resp.u.offload)); @@ -2068,21 +2266,21 @@ int ena_com_set_hash_function(struct ena_com_dev *ena_dev) if (!ena_com_check_supported_feature_id(ena_dev, ENA_ADMIN_RSS_HASH_FUNCTION)) { - ena_trc_info("Feature %d isn't supported\n", - ENA_ADMIN_RSS_HASH_FUNCTION); - return ENA_COM_PERMISSION; + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_RSS_HASH_FUNCTION); + return ENA_COM_UNSUPPORTED; } /* Validate hash function is supported */ ret = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_RSS_HASH_FUNCTION); + ENA_ADMIN_RSS_HASH_FUNCTION, 0); if (unlikely(ret)) return ret; - if (get_resp.u.flow_hash_func.supported_func & (1 << rss->hash_func)) { + if (!(get_resp.u.flow_hash_func.supported_func & BIT(rss->hash_func))) { ena_trc_err("Func hash %d isn't supported by device, abort\n", rss->hash_func); - return ENA_COM_PERMISSION; + return ENA_COM_UNSUPPORTED; } memset(&cmd, 0x0, sizeof(cmd)); @@ -2122,12 +2320,14 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, enum ena_admin_hash_functions func, const u8 *key, u16 key_len, u32 init_val) { - struct ena_rss *rss = &ena_dev->rss; + struct ena_admin_feature_rss_flow_hash_control *hash_key; struct ena_admin_get_feat_resp get_resp; - struct ena_admin_feature_rss_flow_hash_control *hash_key = - rss->hash_key; + enum ena_admin_hash_functions old_func; + struct ena_rss *rss = &ena_dev->rss; int rc; + hash_key = rss->hash_key; + /* Make sure size is a mult of DWs */ if (unlikely(key_len & 0x3)) return ENA_COM_INVAL; @@ -2135,26 +2335,27 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, rc = ena_com_get_feature_ex(ena_dev, &get_resp, ENA_ADMIN_RSS_HASH_FUNCTION, rss->hash_key_dma_addr, - sizeof(*rss->hash_key)); + sizeof(*rss->hash_key), 0); if (unlikely(rc)) return rc; - if (!((1 << func) & get_resp.u.flow_hash_func.supported_func)) { + if (!(BIT(func) & get_resp.u.flow_hash_func.supported_func)) { ena_trc_err("Flow hash function %d isn't supported\n", func); - return ENA_COM_PERMISSION; + return ENA_COM_UNSUPPORTED; } switch (func) { case ENA_ADMIN_TOEPLITZ: - if (key_len > sizeof(hash_key->key)) { - ena_trc_err("key len (%hu) is bigger than the max supported (%zu)\n", - key_len, sizeof(hash_key->key)); - return ENA_COM_INVAL; + if (key) { + if (key_len != sizeof(hash_key->key)) { + ena_trc_err("key len (%hu) doesn't equal the supported size (%zu)\n", + key_len, sizeof(hash_key->key)); + return ENA_COM_INVAL; + } + memcpy(hash_key->key, key, key_len); + rss->hash_init_val = init_val; + hash_key->keys_num = key_len / sizeof(u32); } - - memcpy(hash_key->key, key, key_len); - rss->hash_init_val = init_val; - hash_key->keys_num = key_len >> 2; break; case ENA_ADMIN_CRC32: rss->hash_init_val = init_val; @@ -2164,11 +2365,13 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev, return ENA_COM_INVAL; } + old_func = rss->hash_func; + rss->hash_func = func; rc = ena_com_set_hash_function(ena_dev); /* Restore the old function */ if (unlikely(rc)) - ena_com_get_hash_function(ena_dev, NULL, NULL); + rss->hash_func = old_func; return rc; } @@ -2186,16 +2389,20 @@ int ena_com_get_hash_function(struct ena_com_dev *ena_dev, rc = ena_com_get_feature_ex(ena_dev, &get_resp, ENA_ADMIN_RSS_HASH_FUNCTION, rss->hash_key_dma_addr, - sizeof(*rss->hash_key)); + sizeof(*rss->hash_key), 0); if (unlikely(rc)) return rc; - rss->hash_func = (enum ena_admin_hash_functions)get_resp.u.flow_hash_func.selected_func; + /* ENA_FFS returns 1 in case the lsb is set */ + rss->hash_func = ENA_FFS(get_resp.u.flow_hash_func.selected_func); + if (rss->hash_func) + rss->hash_func--; + if (func) *func = rss->hash_func; if (key) - memcpy(key, hash_key->key, hash_key->keys_num << 2); + memcpy(key, hash_key->key, (size_t)(hash_key->keys_num) << 2); return 0; } @@ -2211,7 +2418,7 @@ int ena_com_get_hash_ctrl(struct ena_com_dev *ena_dev, rc = ena_com_get_feature_ex(ena_dev, &get_resp, ENA_ADMIN_RSS_HASH_INPUT, rss->hash_ctrl_dma_addr, - sizeof(*rss->hash_ctrl)); + sizeof(*rss->hash_ctrl), 0); if (unlikely(rc)) return rc; @@ -2232,11 +2439,13 @@ int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev) if (!ena_com_check_supported_feature_id(ena_dev, ENA_ADMIN_RSS_HASH_INPUT)) { - ena_trc_info("Feature %d isn't supported\n", - ENA_ADMIN_RSS_HASH_INPUT); - return ENA_COM_PERMISSION; + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_RSS_HASH_INPUT); + return ENA_COM_UNSUPPORTED; } + memset(&cmd, 0x0, sizeof(cmd)); + cmd.aq_common_descriptor.opcode = ENA_ADMIN_SET_FEATURE; cmd.aq_common_descriptor.flags = ENA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; @@ -2259,12 +2468,10 @@ int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev) sizeof(cmd), (struct ena_admin_acq_entry *)&resp, sizeof(resp)); - if (unlikely(ret)) { + if (unlikely(ret)) ena_trc_err("Failed to set hash input. error: %d\n", ret); - ret = ENA_COM_INVAL; - } - return 0; + return ret; } int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev) @@ -2276,7 +2483,7 @@ int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev) int rc, i; /* Get the supported hash input */ - rc = ena_com_get_hash_ctrl(ena_dev, (enum ena_admin_flow_hash_proto)0, NULL); + rc = ena_com_get_hash_ctrl(ena_dev, 0, NULL); if (unlikely(rc)) return rc; @@ -2305,7 +2512,7 @@ int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev) hash_ctrl->selected_fields[ENA_ADMIN_RSS_IP4_FRAG].fields = ENA_ADMIN_RSS_L3_SA | ENA_ADMIN_RSS_L3_DA; - hash_ctrl->selected_fields[ENA_ADMIN_RSS_IP4_FRAG].fields = + hash_ctrl->selected_fields[ENA_ADMIN_RSS_NOT_IP].fields = ENA_ADMIN_RSS_L2_DA | ENA_ADMIN_RSS_L2_SA; for (i = 0; i < ENA_ADMIN_RSS_PROTO_NUM; i++) { @@ -2315,7 +2522,7 @@ int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev) ena_trc_err("hash control doesn't support all the desire configuration. proto %x supported %x selected %x\n", i, hash_ctrl->supported_fields[i].fields, hash_ctrl->selected_fields[i].fields); - return ENA_COM_PERMISSION; + return ENA_COM_UNSUPPORTED; } } @@ -2323,7 +2530,7 @@ int ena_com_set_default_hash_ctrl(struct ena_com_dev *ena_dev) /* In case of failure, restore the old hash ctrl */ if (unlikely(rc)) - ena_com_get_hash_ctrl(ena_dev, (enum ena_admin_flow_hash_proto)0, NULL); + ena_com_get_hash_ctrl(ena_dev, 0, NULL); return rc; } @@ -2337,7 +2544,7 @@ int ena_com_fill_hash_ctrl(struct ena_com_dev *ena_dev, u16 supported_fields; int rc; - if (proto > ENA_ADMIN_RSS_PROTO_NUM) { + if (proto >= ENA_ADMIN_RSS_PROTO_NUM) { ena_trc_err("Invalid proto num (%u)\n", proto); return ENA_COM_INVAL; } @@ -2360,7 +2567,7 @@ int ena_com_fill_hash_ctrl(struct ena_com_dev *ena_dev, /* In case of failure, restore the old hash ctrl */ if (unlikely(rc)) - ena_com_get_hash_ctrl(ena_dev, (enum ena_admin_flow_hash_proto)0, NULL); + ena_com_get_hash_ctrl(ena_dev, 0, NULL); return 0; } @@ -2387,14 +2594,13 @@ int ena_com_indirect_table_set(struct ena_com_dev *ena_dev) struct ena_rss *rss = &ena_dev->rss; struct ena_admin_set_feat_cmd cmd; struct ena_admin_set_feat_resp resp; - int ret = 0; + int ret; - if (!ena_com_check_supported_feature_id( - ena_dev, - ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG)) { - ena_trc_info("Feature %d isn't supported\n", - ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG); - return ENA_COM_PERMISSION; + if (!ena_com_check_supported_feature_id(ena_dev, + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG)) { + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG); + return ENA_COM_UNSUPPORTED; } ret = ena_com_ind_tbl_convert_to_device(ena_dev); @@ -2420,7 +2626,7 @@ int ena_com_indirect_table_set(struct ena_com_dev *ena_dev) return ret; } - cmd.control_buffer.length = (1 << rss->tbl_log_size) * + cmd.control_buffer.length = (1ULL << rss->tbl_log_size) * sizeof(struct ena_admin_rss_ind_table_entry); ret = ena_com_execute_admin_command(admin_queue, @@ -2429,12 +2635,10 @@ int ena_com_indirect_table_set(struct ena_com_dev *ena_dev) (struct ena_admin_acq_entry *)&resp, sizeof(resp)); - if (unlikely(ret)) { + if (unlikely(ret)) ena_trc_err("Failed to set indirect table. error: %d\n", ret); - return ENA_COM_INVAL; - } - return 0; + return ret; } int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl) @@ -2444,23 +2648,19 @@ int ena_com_indirect_table_get(struct ena_com_dev *ena_dev, u32 *ind_tbl) u32 tbl_size; int i, rc; - tbl_size = (1 << rss->tbl_log_size) * + tbl_size = (1ULL << rss->tbl_log_size) * sizeof(struct ena_admin_rss_ind_table_entry); rc = ena_com_get_feature_ex(ena_dev, &get_resp, ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG, rss->rss_ind_tbl_dma_addr, - tbl_size); + tbl_size, 0); if (unlikely(rc)) return rc; if (!ind_tbl) return 0; - rc = ena_com_ind_tbl_convert_from_device(ena_dev); - if (unlikely(rc)) - return rc; - for (i = 0; i < (1 << rss->tbl_log_size); i++) ind_tbl[i] = rss->host_rss_ind_tbl[i]; @@ -2481,6 +2681,8 @@ int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 indr_tbl_log_size) if (unlikely(rc)) goto err_hash_key; + ena_com_hash_key_fill_default_key(ena_dev); + rc = ena_com_hash_ctrl_init(ena_dev); if (unlikely(rc)) goto err_hash_ctrl; @@ -2496,22 +2698,18 @@ err_indr_tbl: return rc; } -int ena_com_rss_destroy(struct ena_com_dev *ena_dev) +void ena_com_rss_destroy(struct ena_com_dev *ena_dev) { ena_com_indirect_table_destroy(ena_dev); ena_com_hash_key_destroy(ena_dev); ena_com_hash_ctrl_destroy(ena_dev); memset(&ena_dev->rss, 0x0, sizeof(ena_dev->rss)); - - return 0; } -int ena_com_allocate_host_attribute(struct ena_com_dev *ena_dev, - u32 debug_area_size) +int ena_com_allocate_host_info(struct ena_com_dev *ena_dev) { struct ena_host_attribute *host_attr = &ena_dev->host_attr; - int rc; ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, SZ_4K, @@ -2521,33 +2719,34 @@ int ena_com_allocate_host_attribute(struct ena_com_dev *ena_dev, if (unlikely(!host_attr->host_info)) return ENA_COM_NO_MEM; - if (debug_area_size) { - ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, - debug_area_size, - host_attr->debug_area_virt_addr, - host_attr->debug_area_dma_addr, - host_attr->debug_area_dma_handle); - if (unlikely(!host_attr->debug_area_virt_addr)) { - rc = ENA_COM_NO_MEM; - goto err; - } + host_attr->host_info->ena_spec_version = ((ENA_COMMON_SPEC_VERSION_MAJOR << + ENA_REGS_VERSION_MAJOR_VERSION_SHIFT) | + (ENA_COMMON_SPEC_VERSION_MINOR)); + + return 0; +} + +int ena_com_allocate_debug_area(struct ena_com_dev *ena_dev, + u32 debug_area_size) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; + + ENA_MEM_ALLOC_COHERENT(ena_dev->dmadev, + debug_area_size, + host_attr->debug_area_virt_addr, + host_attr->debug_area_dma_addr, + host_attr->debug_area_dma_handle); + if (unlikely(!host_attr->debug_area_virt_addr)) { + host_attr->debug_area_size = 0; + return ENA_COM_NO_MEM; } host_attr->debug_area_size = debug_area_size; return 0; -err: - - ENA_MEM_FREE_COHERENT(ena_dev->dmadev, - SZ_4K, - host_attr->host_info, - host_attr->host_info_dma_addr, - host_attr->host_info_dma_handle); - host_attr->host_info = NULL; - return rc; } -void ena_com_delete_host_attribute(struct ena_com_dev *ena_dev) +void ena_com_delete_host_info(struct ena_com_dev *ena_dev) { struct ena_host_attribute *host_attr = &ena_dev->host_attr; @@ -2559,6 +2758,11 @@ void ena_com_delete_host_attribute(struct ena_com_dev *ena_dev) host_attr->host_info_dma_handle); host_attr->host_info = NULL; } +} + +void ena_com_delete_debug_area(struct ena_com_dev *ena_dev) +{ + struct ena_host_attribute *host_attr = &ena_dev->host_attr; if (host_attr->debug_area_virt_addr) { ENA_MEM_FREE_COHERENT(ena_dev->dmadev, @@ -2577,18 +2781,11 @@ int ena_com_set_host_attributes(struct ena_com_dev *ena_dev) struct ena_admin_set_feat_cmd cmd; struct ena_admin_set_feat_resp resp; - int ret = 0; - - if (unlikely(!ena_dev)) { - ena_trc_err("%s : ena_dev is NULL\n", __func__); - return ENA_COM_NO_DEVICE; - } + int ret; - if (!ena_com_check_supported_feature_id(ena_dev, - ENA_ADMIN_HOST_ATTR_CONFIG)) { - ena_trc_warn("Set host attribute isn't supported\n"); - return ENA_COM_PERMISSION; - } + /* Host attribute config is called before ena_com_get_dev_attr_feat + * so ena_com can't check if the feature is supported. + */ memset(&cmd, 0x0, sizeof(cmd)); admin_queue = &ena_dev->admin_queue; @@ -2629,64 +2826,54 @@ int ena_com_set_host_attributes(struct ena_com_dev *ena_dev) /* Interrupt moderation */ bool ena_com_interrupt_moderation_supported(struct ena_com_dev *ena_dev) { - return ena_com_check_supported_feature_id( - ena_dev, - ENA_ADMIN_INTERRUPT_MODERATION); + return ena_com_check_supported_feature_id(ena_dev, + ENA_ADMIN_INTERRUPT_MODERATION); } -int -ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev, - u32 tx_coalesce_usecs) +static int ena_com_update_nonadaptive_moderation_interval(u32 coalesce_usecs, + u32 intr_delay_resolution, + u32 *intr_moder_interval) { - if (!ena_dev->intr_delay_resolution) { + if (!intr_delay_resolution) { ena_trc_err("Illegal interrupt delay granularity value\n"); return ENA_COM_FAULT; } - ena_dev->intr_moder_tx_interval = tx_coalesce_usecs / - ena_dev->intr_delay_resolution; + *intr_moder_interval = coalesce_usecs / intr_delay_resolution; return 0; } -int -ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev, - u32 rx_coalesce_usecs) -{ - if (!ena_dev->intr_delay_resolution) { - ena_trc_err("Illegal interrupt delay granularity value\n"); - return ENA_COM_FAULT; - } - - /* We use LOWEST entry of moderation table for storing - * nonadaptive interrupt coalescing values - */ - ena_dev->intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval = - rx_coalesce_usecs / ena_dev->intr_delay_resolution; - return 0; +int ena_com_update_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev, + u32 tx_coalesce_usecs) +{ + return ena_com_update_nonadaptive_moderation_interval(tx_coalesce_usecs, + ena_dev->intr_delay_resolution, + &ena_dev->intr_moder_tx_interval); } -void ena_com_destroy_interrupt_moderation(struct ena_com_dev *ena_dev) +int ena_com_update_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev, + u32 rx_coalesce_usecs) { - if (ena_dev->intr_moder_tbl) - ENA_MEM_FREE(ena_dev->dmadev, ena_dev->intr_moder_tbl); - ena_dev->intr_moder_tbl = NULL; + return ena_com_update_nonadaptive_moderation_interval(rx_coalesce_usecs, + ena_dev->intr_delay_resolution, + &ena_dev->intr_moder_rx_interval); } int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev) { struct ena_admin_get_feat_resp get_resp; - u32 delay_resolution; + u16 delay_resolution; int rc; rc = ena_com_get_feature(ena_dev, &get_resp, - ENA_ADMIN_INTERRUPT_MODERATION); + ENA_ADMIN_INTERRUPT_MODERATION, 0); if (rc) { - if (rc == ENA_COM_PERMISSION) { - ena_trc_info("Feature %d isn't supported\n", - ENA_ADMIN_INTERRUPT_MODERATION); + if (rc == ENA_COM_UNSUPPORTED) { + ena_trc_dbg("Feature %d isn't supported\n", + ENA_ADMIN_INTERRUPT_MODERATION); rc = 0; } else { ena_trc_err("Failed to get interrupt moderation admin cmd. rc: %d\n", @@ -2698,112 +2885,51 @@ int ena_com_init_interrupt_moderation(struct ena_com_dev *ena_dev) return rc; } - rc = ena_com_init_interrupt_moderation_table(ena_dev); - if (rc) - goto err; - /* if moderation is supported by device we set adaptive moderation */ delay_resolution = get_resp.u.intr_moderation.intr_delay_resolution; ena_com_update_intr_delay_resolution(ena_dev, delay_resolution); - ena_com_enable_adaptive_moderation(ena_dev); + + /* Disable adaptive moderation by default - can be enabled later */ + ena_com_disable_adaptive_moderation(ena_dev); return 0; -err: - ena_com_destroy_interrupt_moderation(ena_dev); - return rc; } -void -ena_com_config_default_interrupt_moderation_table(struct ena_com_dev *ena_dev) -{ - struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; - - if (!intr_moder_tbl) - return; - - intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval = - ENA_INTR_LOWEST_USECS; - intr_moder_tbl[ENA_INTR_MODER_LOWEST].pkts_per_interval = - ENA_INTR_LOWEST_PKTS; - intr_moder_tbl[ENA_INTR_MODER_LOWEST].bytes_per_interval = - ENA_INTR_LOWEST_BYTES; - - intr_moder_tbl[ENA_INTR_MODER_LOW].intr_moder_interval = - ENA_INTR_LOW_USECS; - intr_moder_tbl[ENA_INTR_MODER_LOW].pkts_per_interval = - ENA_INTR_LOW_PKTS; - intr_moder_tbl[ENA_INTR_MODER_LOW].bytes_per_interval = - ENA_INTR_LOW_BYTES; - - intr_moder_tbl[ENA_INTR_MODER_MID].intr_moder_interval = - ENA_INTR_MID_USECS; - intr_moder_tbl[ENA_INTR_MODER_MID].pkts_per_interval = - ENA_INTR_MID_PKTS; - intr_moder_tbl[ENA_INTR_MODER_MID].bytes_per_interval = - ENA_INTR_MID_BYTES; - - intr_moder_tbl[ENA_INTR_MODER_HIGH].intr_moder_interval = - ENA_INTR_HIGH_USECS; - intr_moder_tbl[ENA_INTR_MODER_HIGH].pkts_per_interval = - ENA_INTR_HIGH_PKTS; - intr_moder_tbl[ENA_INTR_MODER_HIGH].bytes_per_interval = - ENA_INTR_HIGH_BYTES; - - intr_moder_tbl[ENA_INTR_MODER_HIGHEST].intr_moder_interval = - ENA_INTR_HIGHEST_USECS; - intr_moder_tbl[ENA_INTR_MODER_HIGHEST].pkts_per_interval = - ENA_INTR_HIGHEST_PKTS; - intr_moder_tbl[ENA_INTR_MODER_HIGHEST].bytes_per_interval = - ENA_INTR_HIGHEST_BYTES; -} - -unsigned int -ena_com_get_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev) +unsigned int ena_com_get_nonadaptive_moderation_interval_tx(struct ena_com_dev *ena_dev) { return ena_dev->intr_moder_tx_interval; } -unsigned int -ena_com_get_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev) +unsigned int ena_com_get_nonadaptive_moderation_interval_rx(struct ena_com_dev *ena_dev) { - struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; - - if (intr_moder_tbl) - return intr_moder_tbl[ENA_INTR_MODER_LOWEST].intr_moder_interval; - - return 0; + return ena_dev->intr_moder_rx_interval; } -void ena_com_init_intr_moderation_entry(struct ena_com_dev *ena_dev, - enum ena_intr_moder_level level, - struct ena_intr_moder_entry *entry) +int ena_com_config_dev_mode(struct ena_com_dev *ena_dev, + struct ena_admin_feature_llq_desc *llq_features, + struct ena_llq_configurations *llq_default_cfg) { - struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + int rc; + struct ena_com_llq_info *llq_info = &(ena_dev->llq_info);; - if (level >= ENA_INTR_MAX_NUM_OF_LEVELS) - return; + if (!llq_features->max_llq_num) { + ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST; + return 0; + } - intr_moder_tbl[level].intr_moder_interval = entry->intr_moder_interval; - if (ena_dev->intr_delay_resolution) - intr_moder_tbl[level].intr_moder_interval /= - ena_dev->intr_delay_resolution; - intr_moder_tbl[level].pkts_per_interval = entry->pkts_per_interval; - intr_moder_tbl[level].bytes_per_interval = entry->bytes_per_interval; -} + rc = ena_com_config_llq_info(ena_dev, llq_features, llq_default_cfg); + if (rc) + return rc; -void ena_com_get_intr_moderation_entry(struct ena_com_dev *ena_dev, - enum ena_intr_moder_level level, - struct ena_intr_moder_entry *entry) -{ - struct ena_intr_moder_entry *intr_moder_tbl = ena_dev->intr_moder_tbl; + ena_dev->tx_max_header_size = llq_info->desc_list_entry_size - + (llq_info->descs_num_before_header * sizeof(struct ena_eth_io_tx_desc)); - if (level >= ENA_INTR_MAX_NUM_OF_LEVELS) - return; + if (ena_dev->tx_max_header_size == 0) { + ena_trc_err("the size of the LLQ entry is smaller than needed\n"); + return -EINVAL; + } + + ena_dev->tx_mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_DEV; - entry->intr_moder_interval = intr_moder_tbl[level].intr_moder_interval; - if (ena_dev->intr_delay_resolution) - entry->intr_moder_interval *= ena_dev->intr_delay_resolution; - entry->pkts_per_interval = - intr_moder_tbl[level].pkts_per_interval; - entry->bytes_per_interval = intr_moder_tbl[level].bytes_per_interval; + return 0; }