From patchwork Thu Jun 27 08:14:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ziyang Xuan X-Patchwork-Id: 55443 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 2ECB82B99; Thu, 27 Jun 2019 10:03:04 +0200 (CEST) Received: from huawei.com (szxga04-in.huawei.com [45.249.212.190]) by dpdk.org (Postfix) with ESMTP id 6322A2B98 for ; Thu, 27 Jun 2019 10:03:02 +0200 (CEST) Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id B67B3D1456512816BD98 for ; Thu, 27 Jun 2019 16:03:00 +0800 (CST) Received: from tester_149.localdomain (10.175.119.39) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.439.0; Thu, 27 Jun 2019 16:02:51 +0800 From: Ziyang Xuan To: CC: , , , , , Ziyang Xuan Date: Thu, 27 Jun 2019 16:14:49 +0800 Message-ID: <690c5161be6f314e6c508f73d2e6694409eba564.1561620219.git.xuanziyang2@huawei.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-Originating-IP: [10.175.119.39] X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH v6 05/15] net/hinic/base: add eq mechanism function code X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Eqs include aeq and ceq. PMD supports aeq only. Aeq is a kind of queue for mgmt asynchronous message and mgmt command response message. This patch introduces data structures, initialization, and related interfaces about aeq. Signed-off-by: Ziyang Xuan --- drivers/net/hinic/base/hinic_pmd_eqs.c | 609 +++++++++++++++++++++++++ drivers/net/hinic/base/hinic_pmd_eqs.h | 101 ++++ 2 files changed, 710 insertions(+) create mode 100644 drivers/net/hinic/base/hinic_pmd_eqs.c create mode 100644 drivers/net/hinic/base/hinic_pmd_eqs.h diff --git a/drivers/net/hinic/base/hinic_pmd_eqs.c b/drivers/net/hinic/base/hinic_pmd_eqs.c new file mode 100644 index 000000000..8d216cfcf --- /dev/null +++ b/drivers/net/hinic/base/hinic_pmd_eqs.c @@ -0,0 +1,609 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017 Huawei Technologies Co., Ltd + */ + +#include "hinic_compat.h" +#include "hinic_csr.h" +#include "hinic_pmd_hwdev.h" +#include "hinic_pmd_hwif.h" +#include "hinic_pmd_mgmt.h" +#include "hinic_pmd_eqs.h" + +#define AEQ_CTRL_0_INTR_IDX_SHIFT 0 +#define AEQ_CTRL_0_DMA_ATTR_SHIFT 12 +#define AEQ_CTRL_0_PCI_INTF_IDX_SHIFT 20 +#define AEQ_CTRL_0_INTR_MODE_SHIFT 31 + +#define AEQ_CTRL_0_INTR_IDX_MASK 0x3FFU +#define AEQ_CTRL_0_DMA_ATTR_MASK 0x3FU +#define AEQ_CTRL_0_PCI_INTF_IDX_MASK 0x3U +#define AEQ_CTRL_0_INTR_MODE_MASK 0x1U + +#define AEQ_CTRL_0_SET(val, member) \ + (((val) & AEQ_CTRL_0_##member##_MASK) << \ + AEQ_CTRL_0_##member##_SHIFT) + +#define AEQ_CTRL_0_CLEAR(val, member) \ + ((val) & (~(AEQ_CTRL_0_##member##_MASK \ + << AEQ_CTRL_0_##member##_SHIFT))) + +#define AEQ_CTRL_1_LEN_SHIFT 0 +#define AEQ_CTRL_1_ELEM_SIZE_SHIFT 24 +#define AEQ_CTRL_1_PAGE_SIZE_SHIFT 28 + +#define AEQ_CTRL_1_LEN_MASK 0x1FFFFFU +#define AEQ_CTRL_1_ELEM_SIZE_MASK 0x3U +#define AEQ_CTRL_1_PAGE_SIZE_MASK 0xFU + +#define AEQ_CTRL_1_SET(val, member) \ + (((val) & AEQ_CTRL_1_##member##_MASK) << \ + AEQ_CTRL_1_##member##_SHIFT) + +#define AEQ_CTRL_1_CLEAR(val, member) \ + ((val) & (~(AEQ_CTRL_1_##member##_MASK \ + << AEQ_CTRL_1_##member##_SHIFT))) + +#define CEQ_CTRL_0_INTR_IDX_SHIFT 0 +#define CEQ_CTRL_0_DMA_ATTR_SHIFT 12 +#define CEQ_CTRL_0_LIMIT_KICK_SHIFT 20 +#define CEQ_CTRL_0_PCI_INTF_IDX_SHIFT 24 +#define CEQ_CTRL_0_INTR_MODE_SHIFT 31 + +#define CEQ_CTRL_0_INTR_IDX_MASK 0x3FFU +#define CEQ_CTRL_0_DMA_ATTR_MASK 0x3FU +#define CEQ_CTRL_0_LIMIT_KICK_MASK 0xFU +#define CEQ_CTRL_0_PCI_INTF_IDX_MASK 0x3U +#define CEQ_CTRL_0_INTR_MODE_MASK 0x1U + +#define CEQ_CTRL_0_SET(val, member) \ + (((val) & CEQ_CTRL_0_##member##_MASK) << \ + CEQ_CTRL_0_##member##_SHIFT) + +#define CEQ_CTRL_1_LEN_SHIFT 0 +#define CEQ_CTRL_1_PAGE_SIZE_SHIFT 28 + +#define CEQ_CTRL_1_LEN_MASK 0x1FFFFFU +#define CEQ_CTRL_1_PAGE_SIZE_MASK 0xFU + +#define CEQ_CTRL_1_SET(val, member) \ + (((val) & CEQ_CTRL_1_##member##_MASK) << \ + CEQ_CTRL_1_##member##_SHIFT) + +#define EQ_CONS_IDX_CONS_IDX_SHIFT 0 +#define EQ_CONS_IDX_XOR_CHKSUM_SHIFT 24 +#define EQ_CONS_IDX_INT_ARMED_SHIFT 31 + +#define EQ_CONS_IDX_CONS_IDX_MASK 0x1FFFFFU +#define EQ_CONS_IDX_XOR_CHKSUM_MASK 0xFU +#define EQ_CONS_IDX_INT_ARMED_MASK 0x1U + +#define EQ_CONS_IDX_SET(val, member) \ + (((val) & EQ_CONS_IDX_##member##_MASK) << \ + EQ_CONS_IDX_##member##_SHIFT) + +#define EQ_CONS_IDX_CLEAR(val, member) \ + ((val) & (~(EQ_CONS_IDX_##member##_MASK \ + << EQ_CONS_IDX_##member##_SHIFT))) + +#define EQ_WRAPPED(eq) ((u32)(eq)->wrapped << EQ_VALID_SHIFT) + +#define EQ_CONS_IDX(eq) ((eq)->cons_idx | \ + ((u32)(eq)->wrapped << EQ_WRAPPED_SHIFT)) + +#define EQ_CONS_IDX_REG_ADDR(eq) (((eq)->type == HINIC_AEQ) ? \ + HINIC_CSR_AEQ_CONS_IDX_ADDR((eq)->q_id) :\ + HINIC_CSR_CEQ_CONS_IDX_ADDR((eq)->q_id)) + +#define EQ_PROD_IDX_REG_ADDR(eq) (((eq)->type == HINIC_AEQ) ? \ + HINIC_CSR_AEQ_PROD_IDX_ADDR((eq)->q_id) :\ + HINIC_CSR_CEQ_PROD_IDX_ADDR((eq)->q_id)) + +#define GET_EQ_NUM_PAGES(eq, size) \ + ((u16)(ALIGN((eq)->eq_len * (u32)(eq)->elem_size, (size)) \ + / (size))) + +#define GET_EQ_NUM_ELEMS(eq, pg_size) ((pg_size) / (u32)(eq)->elem_size) + +#define PAGE_IN_4K(page_size) ((page_size) >> 12) +#define EQ_SET_HW_PAGE_SIZE_VAL(eq) ((u32)ilog2(PAGE_IN_4K((eq)->page_size))) + +#define ELEMENT_SIZE_IN_32B(eq) (((eq)->elem_size) >> 5) +#define EQ_SET_HW_ELEM_SIZE_VAL(eq) ((u32)ilog2(ELEMENT_SIZE_IN_32B(eq))) + +#define AEQ_DMA_ATTR_DEFAULT 0 +#define CEQ_DMA_ATTR_DEFAULT 0 + +#define CEQ_LMT_KICK_DEFAULT 0 + +#define EQ_WRAPPED_SHIFT 20 + +#define EQ_VALID_SHIFT 31 + +#define aeq_to_aeqs(eq) \ + container_of((eq) - (eq)->q_id, struct hinic_aeqs, aeq[0]) + +static u8 eq_cons_idx_checksum_set(u32 val) +{ + u8 checksum = 0; + u8 idx; + + for (idx = 0; idx < 32; idx += 4) + checksum ^= ((val >> idx) & 0xF); + + return (checksum & 0xF); +} + +/** + * set_eq_cons_idx - write the cons idx to the hw + * @eq: The event queue to update the cons idx for + * @arm_state: indicate whether report interrupts when generate eq element + **/ +static void set_eq_cons_idx(struct hinic_eq *eq, u32 arm_state) +{ + u32 eq_cons_idx, eq_wrap_ci, val; + u32 addr = EQ_CONS_IDX_REG_ADDR(eq); + + eq_wrap_ci = EQ_CONS_IDX(eq); + + /* Read Modify Write */ + val = hinic_hwif_read_reg(eq->hwdev->hwif, addr); + + val = EQ_CONS_IDX_CLEAR(val, CONS_IDX) & + EQ_CONS_IDX_CLEAR(val, INT_ARMED) & + EQ_CONS_IDX_CLEAR(val, XOR_CHKSUM); + + /* Just aeq0 use int_arm mode for pmd drv to recv + * asyn event&mbox recv data + */ + if (eq->q_id == 0) + eq_cons_idx = EQ_CONS_IDX_SET(eq_wrap_ci, CONS_IDX) | + EQ_CONS_IDX_SET(arm_state, INT_ARMED); + else + eq_cons_idx = EQ_CONS_IDX_SET(eq_wrap_ci, CONS_IDX) | + EQ_CONS_IDX_SET(HINIC_EQ_NOT_ARMED, INT_ARMED); + + val |= eq_cons_idx; + + val |= EQ_CONS_IDX_SET(eq_cons_idx_checksum_set(val), XOR_CHKSUM); + + hinic_hwif_write_reg(eq->hwdev->hwif, addr, val); +} + +/** + * eq_update_ci - update the cons idx of event queue + * @eq: the event queue to update the cons idx for + **/ +void eq_update_ci(struct hinic_eq *eq) +{ + set_eq_cons_idx(eq, HINIC_EQ_ARMED); +} + +struct hinic_ceq_ctrl_reg { + struct hinic_mgmt_msg_head mgmt_msg_head; + + u16 func_id; + u16 q_id; + u32 ctrl0; + u32 ctrl1; +}; + +static int set_ceq_ctrl_reg(struct hinic_hwdev *hwdev, u16 q_id, + u32 ctrl0, u32 ctrl1) +{ + struct hinic_ceq_ctrl_reg ceq_ctrl; + u16 in_size = sizeof(ceq_ctrl); + + memset(&ceq_ctrl, 0, in_size); + ceq_ctrl.mgmt_msg_head.resp_aeq_num = HINIC_AEQ1; + ceq_ctrl.func_id = hinic_global_func_id(hwdev); + ceq_ctrl.q_id = q_id; + ceq_ctrl.ctrl0 = ctrl0; + ceq_ctrl.ctrl1 = ctrl1; + + return hinic_msg_to_mgmt_sync(hwdev, HINIC_MOD_COMM, + HINIC_MGMT_CMD_CEQ_CTRL_REG_WR_BY_UP, + &ceq_ctrl, in_size, NULL, NULL, 0); +} + +/** + * set_eq_ctrls - setting eq's ctrls registers + * @eq: the event queue for setting + **/ +static int set_eq_ctrls(struct hinic_eq *eq) +{ + enum hinic_eq_type type = eq->type; + struct hinic_hwif *hwif = eq->hwdev->hwif; + struct irq_info *eq_irq = &eq->eq_irq; + u32 addr, val, ctrl0, ctrl1, page_size_val, elem_size; + u32 pci_intf_idx = HINIC_PCI_INTF_IDX(hwif); + int ret = 0; + + if (type == HINIC_AEQ) { + /* set ctrl0 */ + addr = HINIC_CSR_AEQ_CTRL_0_ADDR(eq->q_id); + + val = hinic_hwif_read_reg(hwif, addr); + + val = AEQ_CTRL_0_CLEAR(val, INTR_IDX) & + AEQ_CTRL_0_CLEAR(val, DMA_ATTR) & + AEQ_CTRL_0_CLEAR(val, PCI_INTF_IDX) & + AEQ_CTRL_0_CLEAR(val, INTR_MODE); + + ctrl0 = AEQ_CTRL_0_SET(eq_irq->msix_entry_idx, INTR_IDX) | + AEQ_CTRL_0_SET(AEQ_DMA_ATTR_DEFAULT, DMA_ATTR) | + AEQ_CTRL_0_SET(pci_intf_idx, PCI_INTF_IDX) | + AEQ_CTRL_0_SET(HINIC_INTR_MODE_ARMED, INTR_MODE); + + val |= ctrl0; + + hinic_hwif_write_reg(hwif, addr, val); + + /* set ctrl1 */ + addr = HINIC_CSR_AEQ_CTRL_1_ADDR(eq->q_id); + + page_size_val = EQ_SET_HW_PAGE_SIZE_VAL(eq); + elem_size = EQ_SET_HW_ELEM_SIZE_VAL(eq); + + ctrl1 = AEQ_CTRL_1_SET(eq->eq_len, LEN) | + AEQ_CTRL_1_SET(elem_size, ELEM_SIZE) | + AEQ_CTRL_1_SET(page_size_val, PAGE_SIZE); + + hinic_hwif_write_reg(hwif, addr, ctrl1); + } else { + ctrl0 = CEQ_CTRL_0_SET(eq_irq->msix_entry_idx, INTR_IDX) | + CEQ_CTRL_0_SET(CEQ_DMA_ATTR_DEFAULT, DMA_ATTR) | + CEQ_CTRL_0_SET(CEQ_LMT_KICK_DEFAULT, LIMIT_KICK) | + CEQ_CTRL_0_SET(pci_intf_idx, PCI_INTF_IDX) | + CEQ_CTRL_0_SET(HINIC_INTR_MODE_ARMED, INTR_MODE); + + page_size_val = EQ_SET_HW_PAGE_SIZE_VAL(eq); + + ctrl1 = CEQ_CTRL_1_SET(eq->eq_len, LEN) | + CEQ_CTRL_1_SET(page_size_val, PAGE_SIZE); + + /* set ceq ctrl reg through mgmt cpu */ + ret = set_ceq_ctrl_reg(eq->hwdev, eq->q_id, ctrl0, ctrl1); + } + + return ret; +} + +/** + * ceq_elements_init - Initialize all the elements in the ceq + * @eq: the event queue + * @init_val: value to init with it the elements + **/ +static void ceq_elements_init(struct hinic_eq *eq, u32 init_val) +{ + u16 i; + u32 *ceqe; + + for (i = 0; i < eq->eq_len; i++) { + ceqe = GET_CEQ_ELEM(eq, i); + *(ceqe) = cpu_to_be32(init_val); + } + + rte_wmb(); /* Write the init values */ +} + +/** + * aeq_elements_init - initialize all the elements in the aeq + * @eq: the event queue + * @init_val: value to init with it the elements + **/ +static void aeq_elements_init(struct hinic_eq *eq, u32 init_val) +{ + struct hinic_aeq_elem *aeqe; + u16 i; + + for (i = 0; i < eq->eq_len; i++) { + aeqe = GET_AEQ_ELEM(eq, i); + aeqe->desc = cpu_to_be32(init_val); + } + + rte_wmb(); /* Write the init values */ +} + +/** + * alloc_eq_pages - allocate the pages for the queue + * @eq: the event queue + **/ +static int alloc_eq_pages(struct hinic_eq *eq) +{ + struct hinic_hwif *hwif = eq->hwdev->hwif; + u32 init_val; + u64 dma_addr_size, virt_addr_size; + u16 pg_num, i; + int err; + + dma_addr_size = eq->num_pages * sizeof(*eq->dma_addr); + virt_addr_size = eq->num_pages * sizeof(*eq->virt_addr); + + eq->dma_addr = kzalloc(dma_addr_size, GFP_KERNEL); + if (!eq->dma_addr) { + PMD_DRV_LOG(ERR, "Allocate dma addr array failed"); + return -ENOMEM; + } + + eq->virt_addr = kzalloc(virt_addr_size, GFP_KERNEL); + if (!eq->virt_addr) { + PMD_DRV_LOG(ERR, "Allocate virt addr array failed"); + err = -ENOMEM; + goto virt_addr_alloc_err; + } + + for (pg_num = 0; pg_num < eq->num_pages; pg_num++) { + eq->virt_addr[pg_num] = + (u8 *)dma_zalloc_coherent_aligned(eq->hwdev, + eq->page_size, &eq->dma_addr[pg_num], + GFP_KERNEL); + if (!eq->virt_addr[pg_num]) { + err = -ENOMEM; + goto dma_alloc_err; + } + + hinic_hwif_write_reg(hwif, + HINIC_EQ_HI_PHYS_ADDR_REG(eq->type, + eq->q_id, pg_num), + upper_32_bits(eq->dma_addr[pg_num])); + + hinic_hwif_write_reg(hwif, + HINIC_EQ_LO_PHYS_ADDR_REG(eq->type, + eq->q_id, pg_num), + lower_32_bits(eq->dma_addr[pg_num])); + } + + init_val = EQ_WRAPPED(eq); + + if (eq->type == HINIC_AEQ) + aeq_elements_init(eq, init_val); + else + ceq_elements_init(eq, init_val); + + return 0; + +dma_alloc_err: + for (i = 0; i < pg_num; i++) + dma_free_coherent(eq->hwdev, eq->page_size, + eq->virt_addr[i], eq->dma_addr[i]); + +virt_addr_alloc_err: + kfree(eq->dma_addr); + return err; +} + +/** + * free_eq_pages - free the pages of the queue + * @eq: the event queue + **/ +static void free_eq_pages(struct hinic_eq *eq) +{ + struct hinic_hwdev *hwdev = eq->hwdev; + u16 pg_num; + + for (pg_num = 0; pg_num < eq->num_pages; pg_num++) + dma_free_coherent(hwdev, eq->page_size, + eq->virt_addr[pg_num], + eq->dma_addr[pg_num]); + + kfree(eq->virt_addr); + kfree(eq->dma_addr); +} + +#define MSIX_ENTRY_IDX_0 (0) + +/** + * init_eq - initialize eq + * @eq: the event queue + * @hwdev: the pointer to the private hardware device object + * @q_id: Queue id number + * @q_len: the number of EQ elements + * @type: the type of the event queue, ceq or aeq + * @page_size: the page size of the event queue + * @entry: msix entry associated with the event queue + * Return: 0 - Success, Negative - failure + **/ +static int init_eq(struct hinic_eq *eq, struct hinic_hwdev *hwdev, u16 q_id, + u16 q_len, enum hinic_eq_type type, u32 page_size, + __rte_unused struct irq_info *entry) +{ + int err = 0; + + eq->hwdev = hwdev; + eq->q_id = q_id; + eq->type = type; + eq->page_size = page_size; + eq->eq_len = q_len; + + /* clear eq_len to force eqe drop in hardware */ + if (eq->type == HINIC_AEQ) { + hinic_hwif_write_reg(eq->hwdev->hwif, + HINIC_CSR_AEQ_CTRL_1_ADDR(eq->q_id), 0); + } else { + err = set_ceq_ctrl_reg(eq->hwdev, eq->q_id, 0, 0); + if (err) { + PMD_DRV_LOG(ERR, "Set ceq control registers ctrl0[0] ctrl1[0] failed"); + return err; + } + } + + eq->cons_idx = 0; + eq->wrapped = 0; + + eq->elem_size = (type == HINIC_AEQ) ? + HINIC_AEQE_SIZE : HINIC_CEQE_SIZE; + eq->num_pages = GET_EQ_NUM_PAGES(eq, page_size); + eq->num_elem_in_pg = GET_EQ_NUM_ELEMS(eq, page_size); + + if (eq->num_elem_in_pg & (eq->num_elem_in_pg - 1)) { + PMD_DRV_LOG(ERR, "Number element in eq page is not power of 2"); + return -EINVAL; + } + + if (eq->num_pages > HINIC_EQ_MAX_PAGES) { + PMD_DRV_LOG(ERR, "Too many pages for eq, num_pages: %d", + eq->num_pages); + return -EINVAL; + } + + err = alloc_eq_pages(eq); + if (err) { + PMD_DRV_LOG(ERR, "Allocate pages for eq failed"); + return err; + } + + /* pmd use MSIX_ENTRY_IDX_0*/ + eq->eq_irq.msix_entry_idx = MSIX_ENTRY_IDX_0; + + err = set_eq_ctrls(eq); + if (err) { + PMD_DRV_LOG(ERR, "Init eq control registers failed"); + goto init_eq_ctrls_err; + } + + hinic_hwif_write_reg(eq->hwdev->hwif, EQ_PROD_IDX_REG_ADDR(eq), 0); + set_eq_cons_idx(eq, HINIC_EQ_ARMED); + + if (eq->q_id == 0) + hinic_set_msix_state(hwdev, 0, HINIC_MSIX_ENABLE); + + eq->poll_retry_nr = HINIC_RETRY_NUM; + + return 0; + +init_eq_ctrls_err: + free_eq_pages(eq); + + return err; +} + +/** + * remove_eq - remove eq + * @eq: the event queue + **/ +static void remove_eq(struct hinic_eq *eq) +{ + struct irq_info *entry = &eq->eq_irq; + + if (eq->type == HINIC_AEQ) { + if (eq->q_id == 0) + hinic_set_msix_state(eq->hwdev, entry->msix_entry_idx, + HINIC_MSIX_DISABLE); + + /* clear eq_len to avoid hw access host memory */ + hinic_hwif_write_reg(eq->hwdev->hwif, + HINIC_CSR_AEQ_CTRL_1_ADDR(eq->q_id), 0); + } else { + (void)set_ceq_ctrl_reg(eq->hwdev, eq->q_id, 0, 0); + } + + /* update cons_idx to avoid invalid interrupt */ + eq->cons_idx = (u16)hinic_hwif_read_reg(eq->hwdev->hwif, + EQ_PROD_IDX_REG_ADDR(eq)); + set_eq_cons_idx(eq, HINIC_EQ_NOT_ARMED); + + free_eq_pages(eq); +} + +/** + * hinic_aeqs_init - init all the aeqs + * @hwdev: the pointer to the private hardware device object + * @num_aeqs: number of aeq + * @msix_entries: msix entries associated with the event queues + * Return: 0 - Success, Negative - failure + **/ +static int +hinic_aeqs_init(struct hinic_hwdev *hwdev, u16 num_aeqs, + struct irq_info *msix_entries) +{ + struct hinic_aeqs *aeqs; + int err; + u16 i, q_id; + + aeqs = kzalloc(sizeof(*aeqs), GFP_KERNEL); + if (!aeqs) + return -ENOMEM; + + hwdev->aeqs = aeqs; + aeqs->hwdev = hwdev; + aeqs->num_aeqs = num_aeqs; + + for (q_id = HINIC_AEQN_START; q_id < num_aeqs; q_id++) { + err = init_eq(&aeqs->aeq[q_id], hwdev, q_id, + HINIC_DEFAULT_AEQ_LEN, HINIC_AEQ, + HINIC_EQ_PAGE_SIZE, &msix_entries[q_id]); + if (err) { + PMD_DRV_LOG(ERR, "Init aeq %d failed", q_id); + goto init_aeq_err; + } + } + + return 0; + +init_aeq_err: + for (i = 0; i < q_id; i++) + remove_eq(&aeqs->aeq[i]); + + kfree(aeqs); + + return err; +} + +/** + * hinic_aeqs_free - free all the aeqs + * @hwdev: the pointer to the private hardware device object + **/ +static void hinic_aeqs_free(struct hinic_hwdev *hwdev) +{ + struct hinic_aeqs *aeqs = hwdev->aeqs; + u16 q_id; + + /* hinic pmd use aeq[1~3], aeq[0] used in kernel only */ + for (q_id = HINIC_AEQN_START; q_id < aeqs->num_aeqs ; q_id++) + remove_eq(&aeqs->aeq[q_id]); + + kfree(aeqs); +} + +void hinic_dump_aeq_info(struct hinic_hwdev *hwdev) +{ + struct hinic_eq *eq; + u32 addr, ci, pi; + int q_id; + + for (q_id = 0; q_id < hwdev->aeqs->num_aeqs; q_id++) { + eq = &hwdev->aeqs->aeq[q_id]; + addr = EQ_CONS_IDX_REG_ADDR(eq); + ci = hinic_hwif_read_reg(hwdev->hwif, addr); + addr = EQ_PROD_IDX_REG_ADDR(eq); + pi = hinic_hwif_read_reg(hwdev->hwif, addr); + PMD_DRV_LOG(ERR, "aeq id: %d, ci: 0x%x, pi: 0x%x", + q_id, ci, pi); + } +} + +int hinic_comm_aeqs_init(struct hinic_hwdev *hwdev) +{ + int rc; + u16 num_aeqs; + struct irq_info aeq_irqs[HINIC_MAX_AEQS]; + + num_aeqs = HINIC_HWIF_NUM_AEQS(hwdev->hwif); + if (num_aeqs < HINIC_MAX_AEQS) { + PMD_DRV_LOG(ERR, "Warning: PMD need %d AEQs, Chip have %d", + HINIC_MAX_AEQS, num_aeqs); + return HINIC_ERROR; + } + + memset(aeq_irqs, 0, sizeof(aeq_irqs)); + rc = hinic_aeqs_init(hwdev, num_aeqs, aeq_irqs); + if (rc != HINIC_OK) + PMD_DRV_LOG(ERR, "Initialize aeqs failed, rc: %d", rc); + + return rc; +} + +void hinic_comm_aeqs_free(struct hinic_hwdev *hwdev) +{ + hinic_aeqs_free(hwdev); +} diff --git a/drivers/net/hinic/base/hinic_pmd_eqs.h b/drivers/net/hinic/base/hinic_pmd_eqs.h new file mode 100644 index 000000000..fdb98544d --- /dev/null +++ b/drivers/net/hinic/base/hinic_pmd_eqs.h @@ -0,0 +1,101 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017 Huawei Technologies Co., Ltd + */ + +#ifndef _HINIC_PMD_EQS_H_ +#define _HINIC_PMD_EQS_H_ + +#define HINIC_EQ_PAGE_SIZE 0x00001000 + +#define HINIC_AEQN_START 0 +#define HINIC_MAX_AEQS 4 + +#define HINIC_EQ_MAX_PAGES 8 + +#define HINIC_AEQE_SIZE 64 +#define HINIC_CEQE_SIZE 4 + +#define HINIC_AEQE_DESC_SIZE 4 +#define HINIC_AEQE_DATA_SIZE \ + (HINIC_AEQE_SIZE - HINIC_AEQE_DESC_SIZE) + +#define HINIC_DEFAULT_AEQ_LEN 64 + +#define HINIC_RECV_NEXT_AEQE HINIC_ERROR +#define HINIC_RECV_DONE HINIC_OK + +#define GET_EQ_ELEMENT(eq, idx) \ + (((u8 *)(eq)->virt_addr[(idx) / (eq)->num_elem_in_pg]) + \ + (((u32)(idx) & ((eq)->num_elem_in_pg - 1)) * (eq)->elem_size)) + +#define GET_AEQ_ELEM(eq, idx) \ + ((struct hinic_aeq_elem *)GET_EQ_ELEMENT((eq), (idx))) + +#define GET_CEQ_ELEM(eq, idx) ((u32 *)GET_EQ_ELEMENT((eq), (idx))) + +enum hinic_eq_intr_mode { + HINIC_INTR_MODE_ARMED, + HINIC_INTR_MODE_ALWAYS, +}; + +enum hinic_eq_ci_arm_state { + HINIC_EQ_NOT_ARMED, + HINIC_EQ_ARMED, +}; + +enum hinic_aeq_type { + HINIC_HW_INTER_INT = 0, + HINIC_MBX_FROM_FUNC = 1, + HINIC_MSG_FROM_MGMT_CPU = 2, + HINIC_API_RSP = 3, + HINIC_API_CHAIN_STS = 4, + HINIC_MBX_SEND_RSLT = 5, + HINIC_MAX_AEQ_EVENTS +}; + +#define HINIC_RETRY_NUM (10) + +struct hinic_eq { + struct hinic_hwdev *hwdev; + u16 q_id; + enum hinic_eq_type type; + u32 page_size; + u16 eq_len; + + u16 cons_idx; + u16 wrapped; + + u16 elem_size; + u16 num_pages; + u32 num_elem_in_pg; + + struct irq_info eq_irq; + + dma_addr_t *dma_addr; + u8 **virt_addr; + + u16 poll_retry_nr; +}; + +struct hinic_aeq_elem { + u8 aeqe_data[HINIC_AEQE_DATA_SIZE]; + u32 desc; +}; + +struct hinic_aeqs { + struct hinic_hwdev *hwdev; + u16 poll_retry_nr; + + struct hinic_eq aeq[HINIC_MAX_AEQS]; + u16 num_aeqs; +}; + +void eq_update_ci(struct hinic_eq *eq); + +void hinic_dump_aeq_info(struct hinic_hwdev *hwdev); + +int hinic_comm_aeqs_init(struct hinic_hwdev *hwdev); + +void hinic_comm_aeqs_free(struct hinic_hwdev *hwdev); + +#endif /* _HINIC_PMD_EQS_H_ */