From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0DF59A04A2; Sat, 25 Dec 2021 12:29:52 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 72C9841141; Sat, 25 Dec 2021 12:29:44 +0100 (CET) Received: from VLXDG1SPAM1.ramaxel.com (email.ramaxel.com [221.4.138.186]) by mails.dpdk.org (Postfix) with ESMTP id 1569341140 for ; Sat, 25 Dec 2021 12:29:41 +0100 (CET) Received: from V12DG1MBS01.ramaxel.local (v12dg1mbs01.ramaxel.local [172.26.18.31]) by VLXDG1SPAM1.ramaxel.com with ESMTPS id 1BPBTYAS059950 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 25 Dec 2021 19:29:34 +0800 (GMT-8) (envelope-from songyl@ramaxel.com) Received: from localhost.localdomain (10.64.9.47) by V12DG1MBS01.ramaxel.local (172.26.18.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Sat, 25 Dec 2021 19:29:30 +0800 From: Yanling Song To: CC: , , , , Subject: [PATCH v4 03/25] net/spnic: add mbox message channel Date: Sat, 25 Dec 2021 19:28:51 +0800 Message-ID: <0ed7a543ec9c2d29186af17e983c556ffb2ecd18.1640426040.git.songyl@ramaxel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.64.9.47] X-ClientProxiedBy: V12DG1MBS03.ramaxel.local (172.26.18.33) To V12DG1MBS01.ramaxel.local (172.26.18.31) X-DNSRBL: X-MAIL: VLXDG1SPAM1.ramaxel.com 1BPBTYAS059950 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org This patch adds a message channel named mbox which can send message form PF/VF driver to hardware or sned message from VF to PF. Signed-off-by: Yanling Song --- drivers/net/spnic/base/meson.build | 3 +- drivers/net/spnic/base/spnic_hwdev.c | 69 ++ drivers/net/spnic/base/spnic_hwdev.h | 6 + drivers/net/spnic/base/spnic_mbox.c | 1158 ++++++++++++++++++++++++++ drivers/net/spnic/base/spnic_mbox.h | 202 +++++ drivers/net/spnic/base/spnic_mgmt.h | 36 + 6 files changed, 1473 insertions(+), 1 deletion(-) create mode 100644 drivers/net/spnic/base/spnic_mbox.c create mode 100644 drivers/net/spnic/base/spnic_mbox.h create mode 100644 drivers/net/spnic/base/spnic_mgmt.h diff --git a/drivers/net/spnic/base/meson.build b/drivers/net/spnic/base/meson.build index edd6e94772..de80eef7c4 100644 --- a/drivers/net/spnic/base/meson.build +++ b/drivers/net/spnic/base/meson.build @@ -3,7 +3,8 @@ sources = [ 'spnic_hwdev.c', - 'spnic_hwif.c' + 'spnic_hwif.c', + 'spnic_mbox.c' ] extra_flags = [] diff --git a/drivers/net/spnic/base/spnic_hwdev.c b/drivers/net/spnic/base/spnic_hwdev.c index de73f244fd..bcecbaa895 100644 --- a/drivers/net/spnic/base/spnic_hwdev.c +++ b/drivers/net/spnic/base/spnic_hwdev.c @@ -5,8 +5,66 @@ #include "spnic_compat.h" #include "spnic_csr.h" #include "spnic_hwif.h" +#include "spnic_mgmt.h" +#include "spnic_mbox.h" #include "spnic_hwdev.h" +int vf_handle_pf_comm_mbox(void *handle, __rte_unused void *pri_handle, + __rte_unused u16 cmd, __rte_unused void *buf_in, + __rte_unused u16 in_size, __rte_unused void *buf_out, + __rte_unused u16 *out_size) +{ + struct spnic_hwdev *hwdev = handle; + + if (!hwdev) + return -EINVAL; + + PMD_DRV_LOG(WARNING, "Unsupported pf mbox event %d to process", cmd); + + return 0; +} + +static int init_mgmt_channel(struct spnic_hwdev *hwdev) +{ + int err; + + err = spnic_func_to_func_init(hwdev); + if (err) { + PMD_DRV_LOG(ERR, "Init mailbox channel failed"); + goto func_to_func_init_err; + } + + return 0; + +func_to_func_init_err: + + return err; +} + +static void free_mgmt_channel(struct spnic_hwdev *hwdev) +{ + spnic_func_to_func_free(hwdev); +} + + +static int spnic_init_comm_ch(struct spnic_hwdev *hwdev) +{ + int err; + + err = init_mgmt_channel(hwdev); + if (err) { + PMD_DRV_LOG(ERR, "Init mgmt channel failed"); + return err; + } + + return 0; +} + +static void spnic_uninit_comm_ch(struct spnic_hwdev *hwdev) +{ + free_mgmt_channel(hwdev); +} + int spnic_init_hwdev(struct spnic_hwdev *hwdev) { int err; @@ -25,8 +83,17 @@ int spnic_init_hwdev(struct spnic_hwdev *hwdev) goto init_hwif_err; } + err = spnic_init_comm_ch(hwdev); + if (err) { + PMD_DRV_LOG(ERR, "Init communication channel failed"); + goto init_comm_ch_err; + } + return 0; +init_comm_ch_err: + spnic_free_hwif(hwdev); + init_hwif_err: rte_free(hwdev->chip_fault_stats); @@ -35,6 +102,8 @@ int spnic_init_hwdev(struct spnic_hwdev *hwdev) void spnic_free_hwdev(struct spnic_hwdev *hwdev) { + spnic_uninit_comm_ch(hwdev); + spnic_free_hwif(hwdev); rte_free(hwdev->chip_fault_stats); diff --git a/drivers/net/spnic/base/spnic_hwdev.h b/drivers/net/spnic/base/spnic_hwdev.h index c89a4fa840..4a20e34754 100644 --- a/drivers/net/spnic/base/spnic_hwdev.h +++ b/drivers/net/spnic/base/spnic_hwdev.h @@ -17,12 +17,18 @@ struct spnic_hwdev { uint16_t port_id; struct spnic_hwif *hwif; + struct spnic_mbox *func_to_func; u8 *chip_fault_stats; u16 max_vfs; u16 link_status; }; +int vf_handle_pf_comm_mbox(void *handle, __rte_unused void *pri_handle, + __rte_unused u16 cmd, __rte_unused void *buf_in, + __rte_unused u16 in_size, __rte_unused void *buf_out, + __rte_unused u16 *out_size); + int spnic_init_hwdev(struct spnic_hwdev *hwdev); void spnic_free_hwdev(struct spnic_hwdev *hwdev); diff --git a/drivers/net/spnic/base/spnic_mbox.c b/drivers/net/spnic/base/spnic_mbox.c new file mode 100644 index 0000000000..0a15017874 --- /dev/null +++ b/drivers/net/spnic/base/spnic_mbox.c @@ -0,0 +1,1158 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2021 Ramaxel Memory Technology, Ltd + */ + +#include +#include +#include "spnic_compat.h" +#include "spnic_hwdev.h" +#include "spnic_csr.h" +#include "spnic_hwif.h" +#include "spnic_mgmt.h" +#include "spnic_mbox.h" + +#define SPNIC_MBOX_INT_DST_FUNC_SHIFT 0 +#define SPNIC_MBOX_INT_DST_AEQN_SHIFT 10 +#define SPNIC_MBOX_INT_SRC_RESP_AEQN_SHIFT 12 +#define SPNIC_MBOX_INT_STAT_DMA_SHIFT 14 +/* The size of data to be send (unit of 4 bytes) */ +#define SPNIC_MBOX_INT_TX_SIZE_SHIFT 20 +/* SO_RO(strong order, relax order) */ +#define SPNIC_MBOX_INT_STAT_DMA_SO_RO_SHIFT 25 +#define SPNIC_MBOX_INT_WB_EN_SHIFT 28 + +#define SPNIC_MBOX_INT_DST_AEQN_MASK 0x3 +#define SPNIC_MBOX_INT_SRC_RESP_AEQN_MASK 0x3 +#define SPNIC_MBOX_INT_STAT_DMA_MASK 0x3F +#define SPNIC_MBOX_INT_TX_SIZE_MASK 0x1F +#define SPNIC_MBOX_INT_STAT_DMA_SO_RO_MASK 0x3 +#define SPNIC_MBOX_INT_WB_EN_MASK 0x1 + +#define SPNIC_MBOX_INT_SET(val, field) \ + (((val) & SPNIC_MBOX_INT_##field##_MASK) << \ + SPNIC_MBOX_INT_##field##_SHIFT) + +enum spnic_mbox_tx_status { + TX_NOT_DONE = 1, +}; + +#define SPNIC_MBOX_CTRL_TRIGGER_AEQE_SHIFT 0 +/* Specifies the issue request for the message data. + * 0 - Tx request is done; + * 1 - Tx request is in process. + */ +#define SPNIC_MBOX_CTRL_TX_STATUS_SHIFT 1 +#define SPNIC_MBOX_CTRL_DST_FUNC_SHIFT 16 + +#define SPNIC_MBOX_CTRL_TRIGGER_AEQE_MASK 0x1 +#define SPNIC_MBOX_CTRL_TX_STATUS_MASK 0x1 +#define SPNIC_MBOX_CTRL_DST_FUNC_MASK 0x1FFF + +#define SPNIC_MBOX_CTRL_SET(val, field) \ + (((val) & SPNIC_MBOX_CTRL_##field##_MASK) << \ + SPNIC_MBOX_CTRL_##field##_SHIFT) + +#define MBOX_SEGLEN_MASK \ + SPNIC_MSG_HEADER_SET(SPNIC_MSG_HEADER_SEG_LEN_MASK, SEG_LEN) + +#define MBOX_MSG_POLLING_TIMEOUT 300000 +#define SPNIC_MBOX_COMP_TIME 300000U + +#define MBOX_MAX_BUF_SZ 2048UL +#define MBOX_HEADER_SZ 8 +#define SPNIC_MBOX_DATA_SIZE (MBOX_MAX_BUF_SZ - MBOX_HEADER_SZ) + +#define MBOX_TLP_HEADER_SZ 16 + +/* Mbox size is 64B, 8B for mbox_header, 8B reserved */ +#define MBOX_SEG_LEN 48 +#define MBOX_SEG_LEN_ALIGN 4 +#define MBOX_WB_STATUS_LEN 16UL + +/* Mbox write back status is 16B, only first 4B is used */ +#define MBOX_WB_STATUS_ERRCODE_MASK 0xFFFF +#define MBOX_WB_STATUS_MASK 0xFF +#define MBOX_WB_ERROR_CODE_MASK 0xFF00 +#define MBOX_WB_STATUS_FINISHED_SUCCESS 0xFF +#define MBOX_WB_STATUS_FINISHED_WITH_ERR 0xFE +#define MBOX_WB_STATUS_NOT_FINISHED 0x00 + +#define MBOX_STATUS_FINISHED(wb) \ + (((wb) & MBOX_WB_STATUS_MASK) != MBOX_WB_STATUS_NOT_FINISHED) +#define MBOX_STATUS_SUCCESS(wb) \ + (((wb) & MBOX_WB_STATUS_MASK) == MBOX_WB_STATUS_FINISHED_SUCCESS) +#define MBOX_STATUS_ERRCODE(wb) \ + ((wb) & MBOX_WB_ERROR_CODE_MASK) + +#define SEQ_ID_START_VAL 0 +#define SEQ_ID_MAX_VAL 42 + +#define DST_AEQ_IDX_DEFAULT_VAL 0 +#define SRC_AEQ_IDX_DEFAULT_VAL 0 +#define NO_DMA_ATTRIBUTE_VAL 0 + +#define MBOX_MSG_NO_DATA_LEN 1 + +#define MBOX_BODY_FROM_HDR(header) ((u8 *)(header) + MBOX_HEADER_SZ) +#define MBOX_AREA(hwif) \ + ((hwif)->cfg_regs_base + SPNIC_FUNC_CSR_MAILBOX_DATA_OFF) + +#define IS_PF_OR_PPF_SRC(src_func_idx) ((src_func_idx) < SPNIC_MAX_PF_FUNCS) + +#define MBOX_RESPONSE_ERROR 0x1 +#define MBOX_MSG_ID_MASK 0xF +#define MBOX_MSG_ID(func_to_func) ((func_to_func)->send_msg_id) +#define MBOX_MSG_ID_INC(func_to_func) ((MBOX_MSG_ID(func_to_func) + 1) & \ + MBOX_MSG_ID_MASK) + +/* Max message counter waits to process for one function */ +#define SPNIC_MAX_MSG_CNT_TO_PROCESS 10 + +enum mbox_ordering_type { + STRONG_ORDER, +}; + +enum mbox_write_back_type { + WRITE_BACK = 1, +}; + +enum mbox_aeq_trig_type { + NOT_TRIGGER, + TRIGGER, +}; + +static int send_mbox_to_func(struct spnic_mbox *func_to_func, + enum spnic_mod_type mod, u16 cmd, void *msg, + u16 msg_len, u16 dst_func, + enum spnic_msg_direction_type direction, + enum spnic_msg_ack_type ack_type, + struct mbox_msg_info *msg_info); +static int send_tlp_mbox_to_func(struct spnic_mbox *func_to_func, + enum spnic_mod_type mod, u16 cmd, void *msg, + u16 msg_len, u16 dst_func, + enum spnic_msg_direction_type direction, + enum spnic_msg_ack_type ack_type, + struct mbox_msg_info *msg_info); + +static int recv_vf_mbox_handler(struct spnic_mbox *func_to_func, + struct spnic_recv_mbox *recv_mbox, + void *buf_out, u16 *out_size, + __rte_unused void *param) +{ + int err = 0; + + switch (recv_mbox->mod) { + case SPNIC_MOD_COMM: + err = vf_handle_pf_comm_mbox(func_to_func->hwdev, func_to_func, + recv_mbox->cmd, recv_mbox->mbox, + recv_mbox->mbox_len, + buf_out, out_size); + break; + default: + PMD_DRV_LOG(ERR, "No handler, mod: %d", recv_mbox->mod); + err = SPNIC_MBOX_VF_CMD_ERROR; + break; + } + + return err; +} + +static void response_for_recv_func_mbox(struct spnic_mbox *func_to_func, + struct spnic_recv_mbox *recv_mbox, + int err, u16 out_size, u16 src_func_idx) +{ + struct mbox_msg_info msg_info = {0}; + + if (recv_mbox->ack_type == SPNIC_MSG_ACK) { + msg_info.msg_id = recv_mbox->msg_info.msg_id; + if (err) + msg_info.status = SPNIC_MBOX_PF_SEND_ERR; + + if (IS_TLP_MBX(src_func_idx)) + send_tlp_mbox_to_func(func_to_func, recv_mbox->mod, + recv_mbox->cmd, + recv_mbox->buf_out, out_size, + src_func_idx, SPNIC_MSG_RESPONSE, + SPNIC_MSG_NO_ACK, &msg_info); + else + send_mbox_to_func(func_to_func, recv_mbox->mod, + recv_mbox->cmd, recv_mbox->buf_out, + out_size, src_func_idx, + SPNIC_MSG_RESPONSE, + SPNIC_MSG_NO_ACK, &msg_info); + } +} + +static void recv_func_mbox_handler(struct spnic_mbox *func_to_func, + struct spnic_recv_mbox *recv_mbox, + u16 src_func_idx, void *param) +{ + struct spnic_hwdev *hwdev = func_to_func->hwdev; + void *buf_out = recv_mbox->buf_out; + u16 out_size = MBOX_MAX_BUF_SZ; + int err = 0; + + if (SPNIC_IS_VF(hwdev)) { + err = recv_vf_mbox_handler(func_to_func, recv_mbox, buf_out, + &out_size, param); + } else { + err = -EINVAL; + PMD_DRV_LOG(ERR, "PMD doesn't support non-VF handle mailbox message"); + } + + if (!out_size || err) + out_size = MBOX_MSG_NO_DATA_LEN; + + if (recv_mbox->ack_type == SPNIC_MSG_ACK) { + response_for_recv_func_mbox(func_to_func, recv_mbox, err, + out_size, src_func_idx); + } +} + +static void resp_mbox_handler(struct spnic_mbox *func_to_func, + struct spnic_recv_mbox *recv_mbox) +{ + rte_spinlock_lock(&func_to_func->mbox_lock); + if (recv_mbox->msg_info.msg_id == func_to_func->send_msg_id && + func_to_func->event_flag == EVENT_START) + func_to_func->event_flag = EVENT_SUCCESS; + else + PMD_DRV_LOG(ERR, "Mbox response timeout, current send msg id(0x%x), " + "recv msg id(0x%x), status(0x%x)", + func_to_func->send_msg_id, + recv_mbox->msg_info.msg_id, + recv_mbox->msg_info.status); + rte_spinlock_unlock(&func_to_func->mbox_lock); +} + +static bool check_mbox_segment(struct spnic_recv_mbox *recv_mbox, + u64 mbox_header) +{ + u8 seq_id, seg_len, msg_id, mod; + u16 src_func_idx, cmd; + + seq_id = SPNIC_MSG_HEADER_GET(mbox_header, SEQID); + seg_len = SPNIC_MSG_HEADER_GET(mbox_header, SEG_LEN); + src_func_idx = SPNIC_MSG_HEADER_GET(mbox_header, SRC_GLB_FUNC_IDX); + msg_id = SPNIC_MSG_HEADER_GET(mbox_header, MSG_ID); + mod = SPNIC_MSG_HEADER_GET(mbox_header, MODULE); + cmd = SPNIC_MSG_HEADER_GET(mbox_header, CMD); + + if (seq_id > SEQ_ID_MAX_VAL || seg_len > MBOX_SEG_LEN) + goto seg_err; + + if (seq_id == 0) { + recv_mbox->seq_id = seq_id; + recv_mbox->msg_info.msg_id = msg_id; + recv_mbox->mod = mod; + recv_mbox->cmd = cmd; + } else { + if ((seq_id != recv_mbox->seq_id + 1) || + msg_id != recv_mbox->msg_info.msg_id || + mod != recv_mbox->mod || cmd != recv_mbox->cmd) + goto seg_err; + + recv_mbox->seq_id = seq_id; + } + + return true; + +seg_err: + PMD_DRV_LOG(ERR, "Mailbox segment check failed, src func id: 0x%x, " + "front seg info: seq id: 0x%x, msg id: 0x%x, mod: 0x%x, " + "cmd: 0x%x\n", + src_func_idx, recv_mbox->seq_id, recv_mbox->msg_info.msg_id, + recv_mbox->mod, recv_mbox->cmd); + PMD_DRV_LOG(ERR, "Current seg info: seg len: 0x%x, seq id: 0x%x, " + "msg id: 0x%x, mod: 0x%x, cmd: 0x%x\n", + seg_len, seq_id, msg_id, mod, cmd); + + return false; +} + +static int recv_mbox_handler(struct spnic_mbox *func_to_func, void *header, + struct spnic_recv_mbox *recv_mbox, void *param) +{ + u64 mbox_header = *((u64 *)header); + void *mbox_body = MBOX_BODY_FROM_HDR(header); + u16 src_func_idx; + int pos; + u8 seq_id; + + seq_id = SPNIC_MSG_HEADER_GET(mbox_header, SEQID); + src_func_idx = SPNIC_MSG_HEADER_GET(mbox_header, SRC_GLB_FUNC_IDX); + + if (!check_mbox_segment(recv_mbox, mbox_header)) { + recv_mbox->seq_id = SEQ_ID_MAX_VAL; + return SPNIC_MSG_HANDLER_RES; + } + + pos = seq_id * MBOX_SEG_LEN; + memcpy((u8 *)recv_mbox->mbox + pos, mbox_body, + SPNIC_MSG_HEADER_GET(mbox_header, SEG_LEN)); + + if (!SPNIC_MSG_HEADER_GET(mbox_header, LAST)) + return SPNIC_MSG_HANDLER_RES; + + recv_mbox->cmd = SPNIC_MSG_HEADER_GET(mbox_header, CMD); + recv_mbox->mod = SPNIC_MSG_HEADER_GET(mbox_header, MODULE); + recv_mbox->mbox_len = SPNIC_MSG_HEADER_GET(mbox_header, MSG_LEN); + recv_mbox->ack_type = SPNIC_MSG_HEADER_GET(mbox_header, NO_ACK); + recv_mbox->msg_info.msg_id = SPNIC_MSG_HEADER_GET(mbox_header, MSG_ID); + recv_mbox->msg_info.status = SPNIC_MSG_HEADER_GET(mbox_header, STATUS); + recv_mbox->seq_id = SEQ_ID_MAX_VAL; + + if (SPNIC_MSG_HEADER_GET(mbox_header, DIRECTION) == + SPNIC_MSG_RESPONSE) { + resp_mbox_handler(func_to_func, recv_mbox); + return 0; + } + + recv_func_mbox_handler(func_to_func, recv_mbox, src_func_idx, param); + + return SPNIC_MSG_HANDLER_RES; +} + +int spnic_mbox_func_aeqe_handler(void *handle, u8 *header, + __rte_unused u8 size, void *param) +{ + struct spnic_mbox *func_to_func = NULL; + struct spnic_recv_mbox *recv_mbox = NULL; + u64 mbox_header = *((u64 *)header); + u64 src, dir; + + func_to_func = ((struct spnic_hwdev *)handle)->func_to_func; + + dir = SPNIC_MSG_HEADER_GET(mbox_header, DIRECTION); + src = SPNIC_MSG_HEADER_GET(mbox_header, SRC_GLB_FUNC_IDX); + + if (src >= SPNIC_MAX_FUNCTIONS && src != SPNIC_MGMT_SRC_ID) { + PMD_DRV_LOG(ERR, "Mailbox source function id: %u is invalid", + (u32)src); + return SPNIC_MSG_HANDLER_RES; + } + + src = (src == SPNIC_MGMT_SRC_ID) ? SPNIC_MAX_FUNCTIONS : src; + + recv_mbox = (dir == SPNIC_MSG_DIRECT_SEND) ? + &func_to_func->mbox_send[src] : + &func_to_func->mbox_resp[src]; + + return recv_mbox_handler(func_to_func, (u64 *)header, recv_mbox, param); +} + +static void clear_mbox_status(struct spnic_send_mbox *mbox) +{ + *mbox->wb_status = 0; + + /* Clear mailbox write back status */ + rte_wmb(); +} + +static void mbox_copy_header(struct spnic_send_mbox *mbox, u64 *header) +{ + u32 *data = (u32 *)header; + u32 i, idx_max = MBOX_HEADER_SZ / sizeof(u32); + + for (i = 0; i < idx_max; i++) { + rte_write32(cpu_to_be32(*(data + i)), + mbox->data + i * sizeof(u32)); + } +} + +#define MBOX_DMA_MSG_INIT_XOR_VAL 0x5a5a5a5a +static u32 mbox_dma_msg_xor(u32 *data, u16 msg_len) +{ + u32 xor = MBOX_DMA_MSG_INIT_XOR_VAL; + u16 dw_len = msg_len / sizeof(u32); + u16 i; + + for (i = 0; i < dw_len; i++) + xor ^= data[i]; + + return xor; +} + +static void mbox_copy_send_data_addr(struct spnic_send_mbox *mbox, u16 seg_len) +{ + u32 addr_h, addr_l, xor; + + xor = mbox_dma_msg_xor(mbox->sbuff_vaddr, seg_len); + addr_h = upper_32_bits(mbox->sbuff_paddr); + addr_l = lower_32_bits(mbox->sbuff_paddr); + + rte_write32(cpu_to_be32(xor), mbox->data + MBOX_HEADER_SZ); + rte_write32(cpu_to_be32(addr_h), + mbox->data + MBOX_HEADER_SZ + sizeof(u32)); + rte_write32(cpu_to_be32(addr_l), + mbox->data + MBOX_HEADER_SZ + 2 * sizeof(u32)); + rte_write32(cpu_to_be32(seg_len), + mbox->data + MBOX_HEADER_SZ + 3 * sizeof(u32)); + /* Reserved */ + rte_write32(0, mbox->data + MBOX_HEADER_SZ + 4 * sizeof(u32)); + rte_write32(0, mbox->data + MBOX_HEADER_SZ + 5 * sizeof(u32)); +} + +static void mbox_copy_send_data(struct spnic_send_mbox *mbox, void *seg, + u16 seg_len) +{ + u32 *data = seg; + u32 data_len, chk_sz = sizeof(u32); + u32 i, idx_max; + + data_len = seg_len; + idx_max = RTE_ALIGN(data_len, chk_sz) / chk_sz; + + for (i = 0; i < idx_max; i++) { + rte_write32(cpu_to_be32(*(data + i)), + mbox->data + MBOX_HEADER_SZ + i * sizeof(u32)); + } +} + +static void write_mbox_msg_attr(struct spnic_mbox *func_to_func, + u16 dst_func, u16 dst_aeqn, u16 seg_len) +{ + u32 mbox_int, mbox_ctrl; + + /* If VF, function ids must self-learning by HW(PPF=1 PF=0) */ + if (SPNIC_IS_VF(func_to_func->hwdev) && + dst_func != SPNIC_MGMT_SRC_ID) { + if (dst_func == SPNIC_HWIF_PPF_IDX(func_to_func->hwdev->hwif)) + dst_func = 1; + else + dst_func = 0; + } + + mbox_int = SPNIC_MBOX_INT_SET(dst_aeqn, DST_AEQN) | + SPNIC_MBOX_INT_SET(0, SRC_RESP_AEQN) | + SPNIC_MBOX_INT_SET(NO_DMA_ATTRIBUTE_VAL, STAT_DMA) | + SPNIC_MBOX_INT_SET(RTE_ALIGN(seg_len + MBOX_HEADER_SZ, + MBOX_SEG_LEN_ALIGN) >> 2, + TX_SIZE) | + SPNIC_MBOX_INT_SET(STRONG_ORDER, STAT_DMA_SO_RO) | + SPNIC_MBOX_INT_SET(WRITE_BACK, WB_EN); + + spnic_hwif_write_reg(func_to_func->hwdev->hwif, + SPNIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF, mbox_int); + + rte_wmb(); /* Writing the mbox intr attributes */ + mbox_ctrl = SPNIC_MBOX_CTRL_SET(TX_NOT_DONE, TX_STATUS); + + mbox_ctrl |= SPNIC_MBOX_CTRL_SET(NOT_TRIGGER, TRIGGER_AEQE); + + mbox_ctrl |= SPNIC_MBOX_CTRL_SET(dst_func, DST_FUNC); + + spnic_hwif_write_reg(func_to_func->hwdev->hwif, + SPNIC_FUNC_CSR_MAILBOX_CONTROL_OFF, mbox_ctrl); +} + +static void dump_mbox_reg(struct spnic_hwdev *hwdev) +{ + u32 val; + + val = spnic_hwif_read_reg(hwdev->hwif, + SPNIC_FUNC_CSR_MAILBOX_CONTROL_OFF); + PMD_DRV_LOG(ERR, "Mailbox control reg: 0x%x", val); + val = spnic_hwif_read_reg(hwdev->hwif, + SPNIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF); + PMD_DRV_LOG(ERR, "Mailbox interrupt offset: 0x%x", val); +} + +static u16 get_mbox_status(struct spnic_send_mbox *mbox) +{ + /* Write back is 16B, but only use first 4B */ + u64 wb_val = be64_to_cpu(*mbox->wb_status); + + rte_rmb(); /* Verify reading before check */ + + return (u16)(wb_val & MBOX_WB_STATUS_ERRCODE_MASK); +} + +static int send_mbox_seg(struct spnic_mbox *func_to_func, u64 header, + u16 dst_func, void *seg, u16 seg_len, + __rte_unused void *msg_info) +{ + struct spnic_send_mbox *send_mbox = &func_to_func->send_mbox; + struct spnic_hwdev *hwdev = func_to_func->hwdev; + u8 num_aeqs = hwdev->hwif->attr.num_aeqs; + u16 dst_aeqn, wb_status = 0, errcode; + u16 seq_dir = SPNIC_MSG_HEADER_GET(header, DIRECTION); + u32 cnt = 0; + + /* Mbox to mgmt cpu, hardware doesn't care dst aeq id */ + if (num_aeqs >= 2) + dst_aeqn = (seq_dir == SPNIC_MSG_DIRECT_SEND) ? + SPNIC_ASYNC_MSG_AEQ : SPNIC_MBOX_RSP_MSG_AEQ; + else + dst_aeqn = 0; + + clear_mbox_status(send_mbox); + + mbox_copy_header(send_mbox, &header); + + mbox_copy_send_data(send_mbox, seg, seg_len); + + write_mbox_msg_attr(func_to_func, dst_func, dst_aeqn, seg_len); + + rte_wmb(); /* Writing the mbox msg attributes */ + + while (cnt < MBOX_MSG_POLLING_TIMEOUT) { + wb_status = get_mbox_status(send_mbox); + if (MBOX_STATUS_FINISHED(wb_status)) + break; + + rte_delay_ms(1); + cnt++; + } + + if (cnt == MBOX_MSG_POLLING_TIMEOUT) { + PMD_DRV_LOG(ERR, "Send mailbox segment timeout, wb status: 0x%x", + wb_status); + dump_mbox_reg(hwdev); + return -ETIMEDOUT; + } + + if (!MBOX_STATUS_SUCCESS(wb_status)) { + PMD_DRV_LOG(ERR, "Send mailbox segment to function %d error, wb status: 0x%x", + dst_func, wb_status); + errcode = MBOX_STATUS_ERRCODE(wb_status); + return errcode ? errcode : -EFAULT; + } + + return 0; +} + +static int send_tlp_mbox_seg(struct spnic_mbox *func_to_func, u64 header, + u16 dst_func, void *seg, u16 seg_len, + __rte_unused void *msg_info) +{ + struct spnic_send_mbox *send_mbox = &func_to_func->send_mbox; + struct spnic_hwdev *hwdev = func_to_func->hwdev; + u8 num_aeqs = hwdev->hwif->attr.num_aeqs; + u16 dst_aeqn, wb_status = 0, errcode; + u16 seq_dir = SPNIC_MSG_HEADER_GET(header, DIRECTION); + u32 cnt = 0; + + /* Mbox to mgmt cpu, hardware doesn't care dst aeq id */ + if (num_aeqs >= 2) + dst_aeqn = (seq_dir == SPNIC_MSG_DIRECT_SEND) ? + SPNIC_ASYNC_MSG_AEQ : SPNIC_MBOX_RSP_MSG_AEQ; + else + dst_aeqn = 0; + + clear_mbox_status(send_mbox); + + mbox_copy_header(send_mbox, &header); + + /* Copy data to DMA buffer */ + memcpy(send_mbox->sbuff_vaddr, seg, seg_len); + + /* Copy data address to mailbox ctrl csr */ + mbox_copy_send_data_addr(send_mbox, seg_len); + + /* Send tlp mailbox, needs to change the txsize to 16 */ + write_mbox_msg_attr(func_to_func, dst_func, dst_aeqn, + MBOX_TLP_HEADER_SZ); + + rte_wmb(); /* Writing the mbox msg attributes */ + + while (cnt < MBOX_MSG_POLLING_TIMEOUT) { + wb_status = get_mbox_status(send_mbox); + if (MBOX_STATUS_FINISHED(wb_status)) + break; + + rte_delay_ms(1); + cnt++; + } + + if (cnt == MBOX_MSG_POLLING_TIMEOUT) { + PMD_DRV_LOG(ERR, "Send mailbox segment timeout, wb status: 0x%x", + wb_status); + dump_mbox_reg(hwdev); + return -ETIMEDOUT; + } + + if (!MBOX_STATUS_SUCCESS(wb_status)) { + PMD_DRV_LOG(ERR, "Send mailbox segment to function %d error, wb status: 0x%x", + dst_func, wb_status); + errcode = MBOX_STATUS_ERRCODE(wb_status); + return errcode ? errcode : -EFAULT; + } + + return 0; +} + +static int send_mbox_to_func(struct spnic_mbox *func_to_func, + enum spnic_mod_type mod, u16 cmd, void *msg, + u16 msg_len, u16 dst_func, + enum spnic_msg_direction_type direction, + enum spnic_msg_ack_type ack_type, + struct mbox_msg_info *msg_info) +{ + int err = 0; + u32 seq_id = 0; + u16 seg_len = MBOX_SEG_LEN; + u16 rsp_aeq_id, left = msg_len; + u8 *msg_seg = (u8 *)msg; + u64 header = 0; + + rsp_aeq_id = SPNIC_MBOX_RSP_MSG_AEQ; + + err = spnic_mutex_lock(&func_to_func->msg_send_mutex); + if (err) + return err; + + header = SPNIC_MSG_HEADER_SET(msg_len, MSG_LEN) | + SPNIC_MSG_HEADER_SET(mod, MODULE) | + SPNIC_MSG_HEADER_SET(seg_len, SEG_LEN) | + SPNIC_MSG_HEADER_SET(ack_type, NO_ACK) | + SPNIC_MSG_HEADER_SET(SPNIC_DATA_INLINE, DATA_TYPE) | + SPNIC_MSG_HEADER_SET(SEQ_ID_START_VAL, SEQID) | + SPNIC_MSG_HEADER_SET(NOT_LAST_SEGMENT, LAST) | + SPNIC_MSG_HEADER_SET(direction, DIRECTION) | + SPNIC_MSG_HEADER_SET(cmd, CMD) | + /* The VF's offset to it's associated PF */ + SPNIC_MSG_HEADER_SET(msg_info->msg_id, MSG_ID) | + SPNIC_MSG_HEADER_SET(rsp_aeq_id, AEQ_ID) | + SPNIC_MSG_HEADER_SET(SPNIC_MSG_FROM_MBOX, SOURCE) | + SPNIC_MSG_HEADER_SET(!!msg_info->status, STATUS); + + while (!(SPNIC_MSG_HEADER_GET(header, LAST))) { + if (left <= MBOX_SEG_LEN) { + header &= ~MBOX_SEGLEN_MASK; + header |= SPNIC_MSG_HEADER_SET(left, SEG_LEN); + header |= SPNIC_MSG_HEADER_SET(LAST_SEGMENT, LAST); + + seg_len = left; + } + + err = send_mbox_seg(func_to_func, header, dst_func, msg_seg, + seg_len, msg_info); + if (err) { + PMD_DRV_LOG(ERR, "Send mbox seg failed, seq_id: 0x%x", + (u8)SPNIC_MSG_HEADER_GET(header, SEQID)); + + goto send_err; + } + + left -= MBOX_SEG_LEN; + msg_seg += MBOX_SEG_LEN; + + seq_id++; + header &= ~(SPNIC_MSG_HEADER_SET(SPNIC_MSG_HEADER_SEQID_MASK, + SEQID)); + header |= SPNIC_MSG_HEADER_SET(seq_id, SEQID); + } + +send_err: + (void)spnic_mutex_unlock(&func_to_func->msg_send_mutex); + + return err; +} + +static int send_tlp_mbox_to_func(struct spnic_mbox *func_to_func, + enum spnic_mod_type mod, u16 cmd, void *msg, + u16 msg_len, u16 dst_func, + enum spnic_msg_direction_type direction, + enum spnic_msg_ack_type ack_type, + struct mbox_msg_info *msg_info) +{ + struct spnic_hwdev *hwdev = func_to_func->hwdev; + u8 *msg_seg = (u8 *)msg; + int err = 0; + u16 rsp_aeq_id; + u64 header = 0; + + rsp_aeq_id = SPNIC_MBOX_RSP_MSG_AEQ; + + err = spnic_mutex_lock(&func_to_func->msg_send_mutex); + if (err) + return err; + + header = SPNIC_MSG_HEADER_SET(MBOX_TLP_HEADER_SZ, MSG_LEN) | + SPNIC_MSG_HEADER_SET(MBOX_TLP_HEADER_SZ, SEG_LEN) | + SPNIC_MSG_HEADER_SET(mod, MODULE) | + SPNIC_MSG_HEADER_SET(LAST_SEGMENT, LAST) | + SPNIC_MSG_HEADER_SET(ack_type, NO_ACK) | + SPNIC_MSG_HEADER_SET(SPNIC_DATA_DMA, DATA_TYPE) | + SPNIC_MSG_HEADER_SET(SEQ_ID_START_VAL, SEQID) | + SPNIC_MSG_HEADER_SET(direction, DIRECTION) | + SPNIC_MSG_HEADER_SET(cmd, CMD) | + SPNIC_MSG_HEADER_SET(msg_info->msg_id, MSG_ID) | + SPNIC_MSG_HEADER_SET(rsp_aeq_id, AEQ_ID) | + SPNIC_MSG_HEADER_SET(SPNIC_MSG_FROM_MBOX, SOURCE) | + SPNIC_MSG_HEADER_SET(!!msg_info->status, STATUS) | + SPNIC_MSG_HEADER_SET(spnic_global_func_id(hwdev), + SRC_GLB_FUNC_IDX); + + err = send_tlp_mbox_seg(func_to_func, header, dst_func, msg_seg, + msg_len, msg_info); + if (err) { + PMD_DRV_LOG(ERR, "Send mbox seg failed, seq_id: 0x%x", + (u8)SPNIC_MSG_HEADER_GET(header, SEQID)); + } + + (void)spnic_mutex_unlock(&func_to_func->msg_send_mutex); + + return err; +} + +static void set_mbox_to_func_event(struct spnic_mbox *func_to_func, + enum mbox_event_state event_flag) +{ + rte_spinlock_lock(&func_to_func->mbox_lock); + func_to_func->event_flag = event_flag; + rte_spinlock_unlock(&func_to_func->mbox_lock); +} + +static int spnic_mbox_to_func(struct spnic_mbox *func_to_func, + enum spnic_mod_type mod, u16 cmd, u16 dst_func, + void *buf_in, u16 in_size, void *buf_out, + u16 *out_size, u32 timeout) +{ + /* Use mbox_resp to hole data which responded from other function */ + struct spnic_recv_mbox *mbox_for_resp = NULL; + struct mbox_msg_info msg_info = {0}; + u16 mbox_rsp_idx; + int err; + + mbox_rsp_idx = (dst_func == SPNIC_MGMT_SRC_ID) ? + SPNIC_MAX_FUNCTIONS : dst_func; + + mbox_for_resp = &func_to_func->mbox_resp[mbox_rsp_idx]; + + err = spnic_mutex_lock(&func_to_func->mbox_send_mutex); + if (err) + return err; + + msg_info.msg_id = MBOX_MSG_ID_INC(func_to_func); + func_to_func->send_msg_id = msg_info.msg_id; + + set_mbox_to_func_event(func_to_func, EVENT_START); + + if (IS_TLP_MBX(dst_func)) + err = send_tlp_mbox_to_func(func_to_func, mod, cmd, buf_in, + in_size, dst_func, + SPNIC_MSG_DIRECT_SEND, + SPNIC_MSG_ACK, &msg_info); + else + err = send_mbox_to_func(func_to_func, mod, cmd, buf_in, + in_size, dst_func, + SPNIC_MSG_DIRECT_SEND, + SPNIC_MSG_ACK, &msg_info); + + if (err) { + PMD_DRV_LOG(ERR, "Send mailbox failed, msg_id: %d", + msg_info.msg_id); + set_mbox_to_func_event(func_to_func, EVENT_FAIL); + goto send_err; + } + + if (mod != mbox_for_resp->mod || cmd != mbox_for_resp->cmd) { + PMD_DRV_LOG(ERR, "Invalid response mbox message, mod: 0x%x, cmd: 0x%x, expect mod: 0x%x, cmd: 0x%x, timeout0x%x\n", + mbox_for_resp->mod, mbox_for_resp->cmd, mod, cmd, timeout); + err = -EFAULT; + goto send_err; + } + + if (mbox_for_resp->msg_info.status) { + err = mbox_for_resp->msg_info.status; + goto send_err; + } + + if (buf_out && out_size) { + if (*out_size < mbox_for_resp->mbox_len) { + PMD_DRV_LOG(ERR, "Invalid response mbox message length: %d for " + "mod: %d cmd: %d, should less than: %d", + mbox_for_resp->mbox_len, mod, cmd, + *out_size); + err = -EFAULT; + goto send_err; + } + + if (mbox_for_resp->mbox_len) + memcpy(buf_out, mbox_for_resp->mbox, + mbox_for_resp->mbox_len); + + *out_size = mbox_for_resp->mbox_len; + } + +send_err: + (void)spnic_mutex_unlock(&func_to_func->mbox_send_mutex); + + return err; +} + +static int mbox_func_params_valid(__rte_unused struct spnic_mbox *func_to_func, + void *buf_in, u16 in_size) +{ + if (!buf_in || !in_size) + return -EINVAL; + + if (in_size > SPNIC_MBOX_DATA_SIZE) { + PMD_DRV_LOG(ERR, "Mbox msg len(%d) exceed limit(%u)", + in_size, (u8)SPNIC_MBOX_DATA_SIZE); + return -EINVAL; + } + + return 0; +} + +static int spnic_mbox_to_func_no_ack(struct spnic_hwdev *hwdev, u16 func_idx, + enum spnic_mod_type mod, u16 cmd, + void *buf_in, u16 in_size) +{ + struct spnic_mbox *func_to_func = hwdev->func_to_func; + struct mbox_msg_info msg_info = {0}; + int err; + + err = mbox_func_params_valid(hwdev->func_to_func, buf_in, in_size); + if (err) + return err; + + err = spnic_mutex_lock(&func_to_func->mbox_send_mutex); + if (err) + return err; + + if (IS_TLP_MBX(func_idx)) + err = send_tlp_mbox_to_func(func_to_func, mod, cmd, + buf_in, in_size, func_idx, + SPNIC_MSG_DIRECT_SEND, + SPNIC_MSG_NO_ACK, &msg_info); + else + err = send_mbox_to_func(func_to_func, mod, cmd, + buf_in, in_size, func_idx, + SPNIC_MSG_DIRECT_SEND, + SPNIC_MSG_NO_ACK, &msg_info); + if (err) + PMD_DRV_LOG(ERR, "Send mailbox no ack failed"); + + (void)spnic_mutex_unlock(&func_to_func->mbox_send_mutex); + + return err; +} + +int spnic_send_mbox_to_mgmt(struct spnic_hwdev *hwdev, enum spnic_mod_type mod, + u16 cmd, void *buf_in, u16 in_size, void *buf_out, + u16 *out_size, u32 timeout) +{ + struct spnic_mbox *func_to_func = hwdev->func_to_func; + int err; + + err = mbox_func_params_valid(func_to_func, buf_in, in_size); + if (err) + return err; + + return spnic_mbox_to_func(func_to_func, mod, cmd, SPNIC_MGMT_SRC_ID, + buf_in, in_size, buf_out, out_size, timeout); +} + +void spnic_response_mbox_to_mgmt(struct spnic_hwdev *hwdev, + enum spnic_mod_type mod, u16 cmd, + void *buf_in, u16 in_size, u16 msg_id) +{ + struct mbox_msg_info msg_info; + u16 dst_func; + + msg_info.msg_id = (u8)msg_id; + msg_info.status = 0; + dst_func = SPNIC_MGMT_SRC_ID; + + if (IS_TLP_MBX(dst_func)) + send_tlp_mbox_to_func(hwdev->func_to_func, mod, cmd, buf_in, + in_size, SPNIC_MGMT_SRC_ID, + SPNIC_MSG_RESPONSE, SPNIC_MSG_NO_ACK, + &msg_info); + else + send_mbox_to_func(hwdev->func_to_func, mod, cmd, buf_in, + in_size, SPNIC_MGMT_SRC_ID, + SPNIC_MSG_RESPONSE, SPNIC_MSG_NO_ACK, + &msg_info); +} + +int spnic_send_mbox_to_mgmt_no_ack(struct spnic_hwdev *hwdev, + enum spnic_mod_type mod, u16 cmd, + void *buf_in, u16 in_size) +{ + struct spnic_mbox *func_to_func = hwdev->func_to_func; + int err; + + err = mbox_func_params_valid(func_to_func, buf_in, in_size); + if (err) + return err; + + return spnic_mbox_to_func_no_ack(hwdev, SPNIC_MGMT_SRC_ID, mod, cmd, + buf_in, in_size); +} + +int spnic_mbox_to_pf(struct spnic_hwdev *hwdev, enum spnic_mod_type mod, + u16 cmd, void *buf_in, u16 in_size, void *buf_out, + u16 *out_size, u32 timeout) +{ + int err; + + if (!hwdev) + return -EINVAL; + + err = mbox_func_params_valid(hwdev->func_to_func, buf_in, in_size); + if (err) + return err; + + if (!SPNIC_IS_VF(hwdev)) { + PMD_DRV_LOG(ERR, "Params error, func_type: %d", + spnic_func_type(hwdev)); + return -EINVAL; + } + + return spnic_mbox_to_func(hwdev->func_to_func, mod, cmd, + spnic_pf_id_of_vf(hwdev), buf_in, in_size, + buf_out, out_size, timeout); +} + +int spnic_mbox_to_vf(struct spnic_hwdev *hwdev, enum spnic_mod_type mod, + u16 vf_id, u16 cmd, void *buf_in, u16 in_size, + void *buf_out, u16 *out_size, u32 timeout) +{ + struct spnic_mbox *func_to_func = NULL; + u16 dst_func_idx; + int err = 0; + + if (!hwdev) + return -EINVAL; + + func_to_func = hwdev->func_to_func; + err = mbox_func_params_valid(func_to_func, buf_in, in_size); + if (err) + return err; + + if (SPNIC_IS_VF(hwdev)) { + PMD_DRV_LOG(ERR, "Params error, func_type: %d", + spnic_func_type(hwdev)); + return -EINVAL; + } + + if (!vf_id) { + PMD_DRV_LOG(ERR, "VF id: %d error!", vf_id); + return -EINVAL; + } + + /* + * The sum of vf_offset_to_pf + vf_id is the VF's global function id of + * VF in this pf + */ + dst_func_idx = spnic_glb_pf_vf_offset(hwdev) + vf_id; + + return spnic_mbox_to_func(func_to_func, mod, cmd, dst_func_idx, buf_in, + in_size, buf_out, out_size, timeout); +} + +static int init_mbox_info(struct spnic_recv_mbox *mbox_info, + int mbox_max_buf_sz) +{ + int err; + + mbox_info->seq_id = SEQ_ID_MAX_VAL; + + mbox_info->mbox = rte_zmalloc("mbox", (size_t)mbox_max_buf_sz, 1); + if (!mbox_info->mbox) + return -ENOMEM; + + mbox_info->buf_out = rte_zmalloc("mbox_buf_out", + (size_t)mbox_max_buf_sz, 1); + if (!mbox_info->buf_out) { + err = -ENOMEM; + goto alloc_buf_out_err; + } + + return 0; + +alloc_buf_out_err: + rte_free(mbox_info->mbox); + + return err; +} + +static void clean_mbox_info(struct spnic_recv_mbox *mbox_info) +{ + rte_free(mbox_info->buf_out); + rte_free(mbox_info->mbox); +} + +static int alloc_mbox_info(struct spnic_recv_mbox *mbox_info, + int mbox_max_buf_sz) +{ + u16 func_idx, i; + int err; + + for (func_idx = 0; func_idx < SPNIC_MAX_FUNCTIONS + 1; func_idx++) { + err = init_mbox_info(&mbox_info[func_idx], mbox_max_buf_sz); + if (err) { + PMD_DRV_LOG(ERR, "Init mbox info failed"); + goto init_mbox_info_err; + } + } + + return 0; + +init_mbox_info_err: + for (i = 0; i < func_idx; i++) + clean_mbox_info(&mbox_info[i]); + + return err; +} + +static void free_mbox_info(struct spnic_recv_mbox *mbox_info) +{ + u16 func_idx; + + for (func_idx = 0; func_idx < SPNIC_MAX_FUNCTIONS + 1; func_idx++) + clean_mbox_info(&mbox_info[func_idx]); +} + +static void prepare_send_mbox(struct spnic_mbox *func_to_func) +{ + struct spnic_send_mbox *send_mbox = &func_to_func->send_mbox; + + send_mbox->data = MBOX_AREA(func_to_func->hwdev->hwif); +} + +static int alloc_mbox_wb_status(struct spnic_mbox *func_to_func) +{ + struct spnic_send_mbox *send_mbox = &func_to_func->send_mbox; + struct spnic_hwdev *hwdev = func_to_func->hwdev; + u32 addr_h, addr_l; + + send_mbox->wb_mz = rte_eth_dma_zone_reserve(hwdev->eth_dev, "wb_mz", 0, + MBOX_WB_STATUS_LEN, + RTE_CACHE_LINE_SIZE, + SOCKET_ID_ANY); + if (!send_mbox->wb_mz) + return -ENOMEM; + + send_mbox->wb_vaddr = send_mbox->wb_mz->addr; + send_mbox->wb_paddr = send_mbox->wb_mz->iova; + send_mbox->wb_status = send_mbox->wb_vaddr; + + addr_h = upper_32_bits(send_mbox->wb_paddr); + addr_l = lower_32_bits(send_mbox->wb_paddr); + + spnic_hwif_write_reg(hwdev->hwif, SPNIC_FUNC_CSR_MAILBOX_RESULT_H_OFF, + addr_h); + spnic_hwif_write_reg(hwdev->hwif, SPNIC_FUNC_CSR_MAILBOX_RESULT_L_OFF, + addr_l); + + return 0; +} + +static void free_mbox_wb_status(struct spnic_mbox *func_to_func) +{ + struct spnic_send_mbox *send_mbox = &func_to_func->send_mbox; + struct spnic_hwdev *hwdev = func_to_func->hwdev; + + spnic_hwif_write_reg(hwdev->hwif, + SPNIC_FUNC_CSR_MAILBOX_RESULT_H_OFF, 0); + spnic_hwif_write_reg(hwdev->hwif, + SPNIC_FUNC_CSR_MAILBOX_RESULT_L_OFF, 0); + + rte_memzone_free(send_mbox->wb_mz); +} + +static int alloc_mbox_tlp_buffer(struct spnic_mbox *func_to_func) +{ + struct spnic_send_mbox *send_mbox = &func_to_func->send_mbox; + struct spnic_hwdev *hwdev = func_to_func->hwdev; + + send_mbox->sbuff_mz = rte_eth_dma_zone_reserve(hwdev->eth_dev, + "sbuff_mz", 0, + MBOX_MAX_BUF_SZ, + MBOX_MAX_BUF_SZ, + SOCKET_ID_ANY); + if (!send_mbox->sbuff_mz) + return -ENOMEM; + + send_mbox->sbuff_vaddr = send_mbox->sbuff_mz->addr; + send_mbox->sbuff_paddr = send_mbox->sbuff_mz->iova; + + return 0; +} + +static void free_mbox_tlp_buffer(struct spnic_mbox *func_to_func) +{ + struct spnic_send_mbox *send_mbox = &func_to_func->send_mbox; + + rte_memzone_free(send_mbox->sbuff_mz); +} + +int spnic_func_to_func_init(struct spnic_hwdev *hwdev) +{ + struct spnic_mbox *func_to_func; + int err; + + func_to_func = rte_zmalloc("func_to_func", sizeof(*func_to_func), 1); + if (!func_to_func) + return -ENOMEM; + + hwdev->func_to_func = func_to_func; + func_to_func->hwdev = hwdev; + (void)spnic_mutex_init(&func_to_func->mbox_send_mutex, NULL); + (void)spnic_mutex_init(&func_to_func->msg_send_mutex, NULL); + rte_spinlock_init(&func_to_func->mbox_lock); + + err = alloc_mbox_info(func_to_func->mbox_send, MBOX_MAX_BUF_SZ); + if (err) { + PMD_DRV_LOG(ERR, "Alloc mem for mbox_active failed"); + goto alloc_mbox_for_send_err; + } + + err = alloc_mbox_info(func_to_func->mbox_resp, MBOX_MAX_BUF_SZ); + if (err) { + PMD_DRV_LOG(ERR, "Alloc mem for mbox_passive failed"); + goto alloc_mbox_for_resp_err; + } + + err = alloc_mbox_tlp_buffer(func_to_func); + if (err) { + PMD_DRV_LOG(ERR, "Alloc mbox send buffer failed"); + goto alloc_tlp_buffer_err; + } + + err = alloc_mbox_wb_status(func_to_func); + if (err) { + PMD_DRV_LOG(ERR, "Alloc mbox write back status failed"); + goto alloc_wb_status_err; + } + + prepare_send_mbox(func_to_func); + + return 0; + +alloc_wb_status_err: + free_mbox_tlp_buffer(func_to_func); + +alloc_tlp_buffer_err: + free_mbox_info(func_to_func->mbox_resp); + +alloc_mbox_for_resp_err: + free_mbox_info(func_to_func->mbox_send); + +alloc_mbox_for_send_err: + (void)spnic_mutex_destroy(&func_to_func->msg_send_mutex); + (void)spnic_mutex_destroy(&func_to_func->mbox_send_mutex); + rte_free(func_to_func); + + return err; +} + +void spnic_func_to_func_free(struct spnic_hwdev *hwdev) +{ + struct spnic_mbox *func_to_func = hwdev->func_to_func; + + free_mbox_wb_status(func_to_func); + free_mbox_tlp_buffer(func_to_func); + free_mbox_info(func_to_func->mbox_resp); + free_mbox_info(func_to_func->mbox_send); + (void)spnic_mutex_destroy(&func_to_func->mbox_send_mutex); + (void)spnic_mutex_destroy(&func_to_func->msg_send_mutex); + + rte_free(func_to_func); +} diff --git a/drivers/net/spnic/base/spnic_mbox.h b/drivers/net/spnic/base/spnic_mbox.h new file mode 100644 index 0000000000..ba2eb24d0d --- /dev/null +++ b/drivers/net/spnic/base/spnic_mbox.h @@ -0,0 +1,202 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2021 Ramaxel Memory Technology, Ltd + */ + +#ifndef _SPNIC_MBOX_H_ +#define _SPNIC_MBOX_H_ + +#define SPNIC_MBOX_PF_SEND_ERR 0x1 +#define SPNIC_MBOX_PF_BUSY_ACTIVE_FW 0x2 +#define SPNIC_MBOX_VF_CMD_ERROR 0x3 + +#define SPNIC_MGMT_SRC_ID 0x1FFF +#define SPNIC_MAX_FUNCTIONS 4096 +#define SPNIC_MAX_PF_FUNCS 32 + +/* Message header define */ +#define SPNIC_MSG_HEADER_SRC_GLB_FUNC_IDX_SHIFT 0 +#define SPNIC_MSG_HEADER_STATUS_SHIFT 13 +#define SPNIC_MSG_HEADER_SOURCE_SHIFT 15 +#define SPNIC_MSG_HEADER_AEQ_ID_SHIFT 16 +#define SPNIC_MSG_HEADER_MSG_ID_SHIFT 18 +#define SPNIC_MSG_HEADER_CMD_SHIFT 22 + +#define SPNIC_MSG_HEADER_MSG_LEN_SHIFT 32 +#define SPNIC_MSG_HEADER_MODULE_SHIFT 43 +#define SPNIC_MSG_HEADER_SEG_LEN_SHIFT 48 +#define SPNIC_MSG_HEADER_NO_ACK_SHIFT 54 +#define SPNIC_MSG_HEADER_DATA_TYPE_SHIFT 55 +#define SPNIC_MSG_HEADER_SEQID_SHIFT 56 +#define SPNIC_MSG_HEADER_LAST_SHIFT 62 +#define SPNIC_MSG_HEADER_DIRECTION_SHIFT 63 + +#define SPNIC_MSG_HEADER_CMD_MASK 0x3FF +#define SPNIC_MSG_HEADER_MSG_ID_MASK 0xF +#define SPNIC_MSG_HEADER_AEQ_ID_MASK 0x3 +#define SPNIC_MSG_HEADER_SOURCE_MASK 0x1 +#define SPNIC_MSG_HEADER_STATUS_MASK 0x1 +#define SPNIC_MSG_HEADER_SRC_GLB_FUNC_IDX_MASK 0x1FFF + +#define SPNIC_MSG_HEADER_MSG_LEN_MASK 0x7FF +#define SPNIC_MSG_HEADER_MODULE_MASK 0x1F +#define SPNIC_MSG_HEADER_SEG_LEN_MASK 0x3F +#define SPNIC_MSG_HEADER_NO_ACK_MASK 0x1 +#define SPNIC_MSG_HEADER_DATA_TYPE_MASK 0x1 +#define SPNIC_MSG_HEADER_SEQID_MASK 0x3F +#define SPNIC_MSG_HEADER_LAST_MASK 0x1 +#define SPNIC_MSG_HEADER_DIRECTION_MASK 0x1 + +#define SPNIC_MSG_HEADER_GET(val, field) \ + (((val) >> SPNIC_MSG_HEADER_##field##_SHIFT) & \ + SPNIC_MSG_HEADER_##field##_MASK) +#define SPNIC_MSG_HEADER_SET(val, field) \ + ((u64)(((u64)(val)) & \ + SPNIC_MSG_HEADER_##field##_MASK) << \ + SPNIC_MSG_HEADER_##field##_SHIFT) + +#define IS_TLP_MBX(dst_func) ((dst_func) == SPNIC_MGMT_SRC_ID) + +enum spnic_msg_direction_type { + SPNIC_MSG_DIRECT_SEND = 0, + SPNIC_MSG_RESPONSE = 1 +}; + +enum spnic_msg_segment_type { + NOT_LAST_SEGMENT = 0, + LAST_SEGMENT = 1 +}; + +enum spnic_msg_ack_type { + SPNIC_MSG_ACK, + SPNIC_MSG_NO_ACK +}; + +enum spnic_data_type { + SPNIC_DATA_INLINE = 0, + SPNIC_DATA_DMA = 1 +}; + +enum spnic_msg_src_type { + SPNIC_MSG_FROM_MGMT = 0, + SPNIC_MSG_FROM_MBOX = 1 +}; + +enum spnic_msg_aeq_type { + SPNIC_ASYNC_MSG_AEQ = 0, + /* Indicate dest func or mgmt cpu which aeq to response mbox message */ + SPNIC_MBOX_RSP_MSG_AEQ = 1, + /* Indicate mgmt cpu which aeq to response api cmd message */ + SPNIC_MGMT_RSP_MSG_AEQ = 2 +}; + +enum spnic_mbox_seg_errcode { + MBOX_ERRCODE_NO_ERRORS = 0, + /* VF sends the mailbox data to the wrong destination functions */ + MBOX_ERRCODE_VF_TO_WRONG_FUNC = 0x100, + /* PPF sends the mailbox data to the wrong destination functions */ + MBOX_ERRCODE_PPF_TO_WRONG_FUNC = 0x200, + /* PF sends the mailbox data to the wrong destination functions */ + MBOX_ERRCODE_PF_TO_WRONG_FUNC = 0x300, + /* The mailbox data size is set to all zero */ + MBOX_ERRCODE_ZERO_DATA_SIZE = 0x400, + /* The sender function attribute has not been learned by CPI hardware */ + MBOX_ERRCODE_UNKNOWN_SRC_FUNC = 0x500, + /* The receiver function attr has not been learned by CPI hardware */ + MBOX_ERRCODE_UNKNOWN_DES_FUNC = 0x600 +}; + +struct mbox_msg_info { + u8 msg_id; + u8 status; /* Can only use 3 bit */ +}; + +struct spnic_recv_mbox { + void *mbox; + void *buf_out; + u16 cmd; + u16 mbox_len; + enum spnic_mod_type mod; + enum spnic_msg_ack_type ack_type; + u8 seq_id; + struct mbox_msg_info msg_info; +}; + +struct spnic_send_mbox { + u8 *data; + + u64 *wb_status; /* Write back status */ + + const struct rte_memzone *wb_mz; + void *wb_vaddr; + rte_iova_t wb_paddr; + + const struct rte_memzone *sbuff_mz; + void *sbuff_vaddr; + rte_iova_t sbuff_paddr; +}; + +enum mbox_event_state { + EVENT_START = 0, + EVENT_FAIL, + EVENT_SUCCESS, + EVENT_TIMEOUT, + EVENT_END +}; + +enum spnic_mbox_cb_state { + SPNIC_VF_MBOX_CB_REG = 0, + SPNIC_VF_MBOX_CB_RUNNING, + SPNIC_PF_MBOX_CB_REG, + SPNIC_PF_MBOX_CB_RUNNING, + SPNIC_PPF_MBOX_CB_REG, + SPNIC_PPF_MBOX_CB_RUNNING, + SPNIC_PPF_TO_PF_MBOX_CB_REG, + SPNIC_PPF_TO_PF_MBOX_CB_RUNNING +}; + +struct spnic_mbox { + struct spnic_hwdev *hwdev; + + pthread_mutex_t mbox_send_mutex; + pthread_mutex_t msg_send_mutex; + + struct spnic_send_mbox send_mbox; + + /* Last element for mgmt */ + struct spnic_recv_mbox mbox_resp[SPNIC_MAX_FUNCTIONS + 1]; + struct spnic_recv_mbox mbox_send[SPNIC_MAX_FUNCTIONS + 1]; + + u8 send_msg_id; + enum mbox_event_state event_flag; + /* Lock for mbox event flag */ + rte_spinlock_t mbox_lock; +}; + +int spnic_mbox_func_aeqe_handler(void *handle, u8 *header, __rte_unused u8 size, + void *param); + +int spnic_func_to_func_init(struct spnic_hwdev *hwdev); + +void spnic_func_to_func_free(struct spnic_hwdev *hwdev); + +int spnic_send_mbox_to_mgmt(struct spnic_hwdev *hwdev, enum spnic_mod_type mod, + u16 cmd, void *buf_in, u16 in_size, void *buf_out, + u16 *out_size, u32 timeout); + +void spnic_response_mbox_to_mgmt(struct spnic_hwdev *hwdev, + enum spnic_mod_type mod, u16 cmd, + void *buf_in, u16 in_size, u16 msg_id); + +int spnic_send_mbox_to_mgmt_no_ack(struct spnic_hwdev *hwdev, + enum spnic_mod_type mod, u16 cmd, + void *buf_in, u16 in_size); + +int spnic_mbox_to_pf(struct spnic_hwdev *hwdev, enum spnic_mod_type mod, + u16 cmd, void *buf_in, u16 in_size, void *buf_out, + u16 *out_size, u32 timeout); + +int spnic_mbox_to_vf(struct spnic_hwdev *hwdev, enum spnic_mod_type mod, + u16 vf_id, u16 cmd, void *buf_in, u16 in_size, + void *buf_out, u16 *out_size, u32 timeout); + +#endif /* _SPNIC_MBOX_H_ */ diff --git a/drivers/net/spnic/base/spnic_mgmt.h b/drivers/net/spnic/base/spnic_mgmt.h new file mode 100644 index 0000000000..c161adb0b7 --- /dev/null +++ b/drivers/net/spnic/base/spnic_mgmt.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2021 Ramaxel Memory Technology, Ltd + */ + +#ifndef _SPNIC_MGMT_H_ +#define _SPNIC_MGMT_H_ + +#define SPNIC_MSG_HANDLER_RES (-1) + +/* Cmdq module type */ +enum spnic_mod_type { + SPNIC_MOD_COMM = 0, /* HW communication module */ + SPNIC_MOD_L2NIC = 1, /* L2NIC module */ + SPNIC_MOD_ROCE = 2, + SPNIC_MOD_PLOG = 3, + SPNIC_MOD_TOE = 4, + SPNIC_MOD_FLR = 5, + SPNIC_MOD_FC = 6, + SPNIC_MOD_CFGM = 7, /* Configuration module */ + SPNIC_MOD_CQM = 8, + SPNIC_MOD_VSWITCH = 9, + COMM_MOD_FC = 10, + SPNIC_MOD_OVS = 11, + SPNIC_MOD_DSW = 12, + SPNIC_MOD_MIGRATE = 13, + SPNIC_MOD_HILINK = 14, + SPNIC_MOD_CRYPT = 15, /* Secure crypto module */ + SPNIC_MOD_HW_MAX = 16, /* Hardware max module id */ + + /* Software module id, for PF/VF and multi-host */ + SPNIC_MOD_SW_FUNC = 17, + SPNIC_MOD_IOE = 18, + SPNIC_MOD_MAX +}; + +#endif /* _SPNIC_MGMT_H_ */ -- 2.32.0