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 <son...@ramaxel.com>
---
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 a6cb8bc36e..b3a8b32287 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..d019612cef
--- /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 <rte_atomic.h>
+#include <ethdev_driver.h>
+#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 responsed 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..446471e8f8
--- /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_RUNNIG
+};
+
+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..37d0410473
--- /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_ */
--
2.27.0
