Add msg chan enable implementation to support
send msg to backend(device side) get infos.
Signed-off-by: Junlong Wang <wang.junlong1@zte.com.cn>
---
drivers/net/zxdh/zxdh_ethdev.c | 6 +
drivers/net/zxdh/zxdh_ethdev.h | 12 +
drivers/net/zxdh/zxdh_msg.c | 641 ++++++++++++++++++++++++++++++++-
drivers/net/zxdh/zxdh_msg.h | 129 +++++++
4 files changed, 785 insertions(+), 3 deletions(-)
diff --git a/drivers/net/zxdh/zxdh_ethdev.c b/drivers/net/zxdh/zxdh_ethdev.c
index 2dcf144fc9..a729344288 100644
--- a/drivers/net/zxdh/zxdh_ethdev.c
+++ b/drivers/net/zxdh/zxdh_ethdev.c
@@ -97,6 +97,12 @@ static int zxdh_eth_dev_init(struct rte_eth_dev *eth_dev)
goto err_zxdh_init;
}
+ ret = zxdh_msg_chan_enable(eth_dev);
+ if (ret != 0) {
+ PMD_INIT_LOG(ERR, "zxdh_msg_bar_chan_enable failed ret %d", ret);
+ goto err_zxdh_init;
+ }
+
return ret;
err_zxdh_init:
diff --git a/drivers/net/zxdh/zxdh_ethdev.h b/drivers/net/zxdh/zxdh_ethdev.h
index 5902704923..bed1334690 100644
--- a/drivers/net/zxdh/zxdh_ethdev.h
+++ b/drivers/net/zxdh/zxdh_ethdev.h
@@ -29,10 +29,22 @@ extern "C" {
#define ZXDH_RX_QUEUES_MAX 128U
#define ZXDH_TX_QUEUES_MAX 128U
+union zxdh_virport_num {
+ uint16_t vport;
+ struct {
+ uint16_t vfid:8;
+ uint16_t pfid:3;
+ uint16_t vf_flag:1;
+ uint16_t epid:3;
+ uint16_t direct_flag:1;
+ };
+};
+
struct zxdh_hw {
struct rte_eth_dev *eth_dev;
struct zxdh_pci_common_cfg *common_cfg;
struct zxdh_net_config *dev_cfg;
+ union zxdh_virport_num vport;
uint64_t bar_addr[ZXDH_NUM_BARS];
uint64_t host_features;
diff --git a/drivers/net/zxdh/zxdh_msg.c b/drivers/net/zxdh/zxdh_msg.c
index 9dcf99f1f7..1bf72a9b7c 100644
--- a/drivers/net/zxdh/zxdh_msg.c
+++ b/drivers/net/zxdh/zxdh_msg.c
@@ -8,7 +8,6 @@
#include <rte_memcpy.h>
#include <rte_spinlock.h>
#include <rte_cycles.h>
-#include <inttypes.h>
#include <rte_malloc.h>
#include "zxdh_ethdev.h"
@@ -17,6 +16,7 @@
#define ZXDH_REPS_INFO_FLAG_USABLE 0x00
#define ZXDH_BAR_SEQID_NUM_MAX 256
+#define ZXDH_REPS_INFO_FLAG_USED 0xa0
#define ZXDH_PCIEID_IS_PF_MASK (0x0800)
#define ZXDH_PCIEID_PF_IDX_MASK (0x0700)
@@ -33,15 +33,88 @@
#define ZXDH_MAX_EP_NUM (4)
#define ZXDH_MAX_HARD_SPINLOCK_NUM (511)
+#define LOCK_PRIMARY_ID_MASK (0x8000)
+/* bar offset */
+#define ZXDH_BAR0_CHAN_RISC_OFFSET (0x2000)
+#define ZXDH_BAR0_CHAN_PFVF_OFFSET (0x3000)
#define ZXDH_BAR0_SPINLOCK_OFFSET (0x4000)
#define ZXDH_FW_SHRD_OFFSET (0x5000)
#define ZXDH_FW_SHRD_INNER_HW_LABEL_PAT (0x800)
#define ZXDH_HW_LABEL_OFFSET \
(ZXDH_FW_SHRD_OFFSET + ZXDH_FW_SHRD_INNER_HW_LABEL_PAT)
+#define ZXDH_CHAN_RISC_SPINLOCK_OFFSET \
+ (ZXDH_BAR0_SPINLOCK_OFFSET - ZXDH_BAR0_CHAN_RISC_OFFSET)
+#define ZXDH_CHAN_PFVF_SPINLOCK_OFFSET \
+ (ZXDH_BAR0_SPINLOCK_OFFSET - ZXDH_BAR0_CHAN_PFVF_OFFSET)
+#define ZXDH_CHAN_RISC_LABEL_OFFSET \
+ (ZXDH_HW_LABEL_OFFSET - ZXDH_BAR0_CHAN_RISC_OFFSET)
+#define ZXDH_CHAN_PFVF_LABEL_OFFSET \
+ (ZXDH_HW_LABEL_OFFSET - ZXDH_BAR0_CHAN_PFVF_OFFSET)
+
+#define ZXDH_REPS_HEADER_LEN_OFFSET 1
+#define ZXDH_REPS_HEADER_PAYLOAD_OFFSET 4
+#define ZXDH_REPS_HEADER_REPLYED 0xff
+
+#define ZXDH_BAR_MSG_CHAN_USABLE 0
+#define ZXDH_BAR_MSG_CHAN_USED 1
+
+#define ZXDH_BAR_MSG_POL_MASK (0x10)
+#define ZXDH_BAR_MSG_POL_OFFSET (4)
+
+#define ZXDH_BAR_ALIGN_WORD_MASK 0xfffffffc
+#define ZXDH_BAR_MSG_VALID_MASK 1
+#define ZXDH_BAR_MSG_VALID_OFFSET 0
+
+#define ZXDH_BAR_PF_NUM 7
+#define ZXDH_BAR_VF_NUM 256
+#define ZXDH_BAR_INDEX_PF_TO_VF 0
+#define ZXDH_BAR_INDEX_MPF_TO_MPF 0xff
+#define ZXDH_BAR_INDEX_MPF_TO_PFVF 0
+#define ZXDH_BAR_INDEX_PFVF_TO_MPF 0
+
+#define ZXDH_MAX_HARD_SPINLOCK_ASK_TIMES (1000)
+#define ZXDH_SPINLOCK_POLLING_SPAN_US (100)
+
+#define ZXDH_BAR_MSG_SRC_NUM 3
+#define ZXDH_BAR_MSG_SRC_MPF 0
+#define ZXDH_BAR_MSG_SRC_PF 1
+#define ZXDH_BAR_MSG_SRC_VF 2
+#define ZXDH_BAR_MSG_SRC_ERR 0xff
+#define ZXDH_BAR_MSG_DST_NUM 3
+#define ZXDH_BAR_MSG_DST_RISC 0
+#define ZXDH_BAR_MSG_DST_MPF 2
+#define ZXDH_BAR_MSG_DST_PFVF 1
+#define ZXDH_BAR_MSG_DST_ERR 0xff
+
+#define ZXDH_LOCK_TYPE_HARD (1)
+#define ZXDH_LOCK_TYPE_SOFT (0)
+#define ZXDH_BAR_INDEX_TO_RISC 0
+
+#define ZXDH_BAR_CHAN_INDEX_SEND 0
+#define ZXDH_BAR_CHAN_INDEX_RECV 1
+
+uint8_t subchan_id_tbl[ZXDH_BAR_MSG_SRC_NUM][ZXDH_BAR_MSG_DST_NUM] = {
+ {ZXDH_BAR_CHAN_INDEX_SEND, ZXDH_BAR_CHAN_INDEX_SEND, ZXDH_BAR_CHAN_INDEX_SEND},
+ {ZXDH_BAR_CHAN_INDEX_SEND, ZXDH_BAR_CHAN_INDEX_SEND, ZXDH_BAR_CHAN_INDEX_RECV},
+ {ZXDH_BAR_CHAN_INDEX_SEND, ZXDH_BAR_CHAN_INDEX_RECV, ZXDH_BAR_CHAN_INDEX_RECV}
+};
+
+uint8_t chan_id_tbl[ZXDH_BAR_MSG_SRC_NUM][ZXDH_BAR_MSG_DST_NUM] = {
+ {ZXDH_BAR_INDEX_TO_RISC, ZXDH_BAR_INDEX_MPF_TO_PFVF, ZXDH_BAR_INDEX_MPF_TO_MPF},
+ {ZXDH_BAR_INDEX_TO_RISC, ZXDH_BAR_INDEX_PF_TO_VF, ZXDH_BAR_INDEX_PFVF_TO_MPF},
+ {ZXDH_BAR_INDEX_TO_RISC, ZXDH_BAR_INDEX_PF_TO_VF, ZXDH_BAR_INDEX_PFVF_TO_MPF}
+};
+
+uint8_t lock_type_tbl[ZXDH_BAR_MSG_SRC_NUM][ZXDH_BAR_MSG_DST_NUM] = {
+ {ZXDH_LOCK_TYPE_HARD, ZXDH_LOCK_TYPE_HARD, ZXDH_LOCK_TYPE_HARD},
+ {ZXDH_LOCK_TYPE_SOFT, ZXDH_LOCK_TYPE_SOFT, ZXDH_LOCK_TYPE_HARD},
+ {ZXDH_LOCK_TYPE_HARD, ZXDH_LOCK_TYPE_HARD, ZXDH_LOCK_TYPE_HARD}
+};
+
struct zxdh_dev_stat {
- bool is_mpf_scanned;
- bool is_res_init;
+ uint8_t is_mpf_scanned;
+ uint8_t is_res_init;
int16_t dev_cnt; /* probe cnt */
};
struct zxdh_dev_stat g_dev_stat = {0};
@@ -97,6 +170,33 @@ static void spinlock_write(uint64_t virt_lock_addr, uint32_t lock_id, uint8_t da
*(volatile uint8_t *)((uint64_t)virt_lock_addr + (uint64_t)lock_id) = data;
}
+static uint8_t spinlock_read(uint64_t virt_lock_addr, uint32_t lock_id)
+{
+ return *(volatile uint8_t *)((uint64_t)virt_lock_addr + (uint64_t)lock_id);
+}
+
+static int32_t zxdh_spinlock_lock(uint32_t virt_lock_id, uint64_t virt_addr,
+ uint64_t label_addr, uint16_t primary_id)
+{
+ uint32_t lock_rd_cnt = 0;
+
+ do {
+ /* read to lock */
+ uint8_t spl_val = spinlock_read(virt_addr, virt_lock_id);
+
+ if (spl_val == 0) {
+ label_write((uint64_t)label_addr, virt_lock_id, primary_id);
+ break;
+ }
+ rte_delay_us_block(ZXDH_SPINLOCK_POLLING_SPAN_US);
+ lock_rd_cnt++;
+ } while (lock_rd_cnt < ZXDH_MAX_HARD_SPINLOCK_ASK_TIMES);
+ if (lock_rd_cnt >= ZXDH_MAX_HARD_SPINLOCK_ASK_TIMES)
+ return -1;
+
+ return 0;
+}
+
static int32_t zxdh_spinlock_unlock(uint32_t virt_lock_id, uint64_t virt_addr, uint64_t label_addr)
{
label_write((uint64_t)label_addr, virt_lock_id, 0);
@@ -159,3 +259,538 @@ int zxdh_bar_msg_chan_exit(void)
g_dev_stat.is_res_init = false;
return ZXDH_BAR_MSG_OK;
}
+
+static int zxdh_bar_chan_msgid_allocate(uint16_t *msgid)
+{
+ struct zxdh_seqid_item *seqid_reps_info = NULL;
+
+ rte_spinlock_lock(&g_seqid_ring.lock);
+ uint16_t g_id = g_seqid_ring.cur_id;
+ uint16_t count = 0;
+ int rc = 0;
+
+ do {
+ count++;
+ ++g_id;
+ g_id %= ZXDH_BAR_SEQID_NUM_MAX;
+ seqid_reps_info = &g_seqid_ring.reps_info_tbl[g_id];
+ } while ((seqid_reps_info->flag != ZXDH_REPS_INFO_FLAG_USABLE) &&
+ (count < ZXDH_BAR_SEQID_NUM_MAX));
+
+ if (count >= ZXDH_BAR_SEQID_NUM_MAX) {
+ rc = -1;
+ goto out;
+ }
+ seqid_reps_info->flag = ZXDH_REPS_INFO_FLAG_USED;
+ g_seqid_ring.cur_id = g_id;
+ *msgid = g_id;
+ rc = ZXDH_BAR_MSG_OK;
+
+out:
+ rte_spinlock_unlock(&g_seqid_ring.lock);
+ return rc;
+}
+
+static uint16_t zxdh_bar_chan_save_recv_info(struct zxdh_msg_recviver_mem *result, uint16_t *msg_id)
+{
+ int ret = zxdh_bar_chan_msgid_allocate(msg_id);
+
+ if (ret != ZXDH_BAR_MSG_OK)
+ return ZXDH_BAR_MSG_ERR_MSGID;
+
+ PMD_MSG_LOG(DEBUG, "allocate msg_id: %u", *msg_id);
+ struct zxdh_seqid_item *reps_info = &g_seqid_ring.reps_info_tbl[*msg_id];
+
+ reps_info->reps_addr = result->recv_buffer;
+ reps_info->buffer_len = result->buffer_len;
+ return ZXDH_BAR_MSG_OK;
+}
+
+static uint8_t zxdh_bar_msg_src_index_trans(uint8_t src)
+{
+ uint8_t src_index = 0;
+
+ switch (src) {
+ case ZXDH_MSG_CHAN_END_MPF:
+ src_index = ZXDH_BAR_MSG_SRC_MPF;
+ break;
+ case ZXDH_MSG_CHAN_END_PF:
+ src_index = ZXDH_BAR_MSG_SRC_PF;
+ break;
+ case ZXDH_MSG_CHAN_END_VF:
+ src_index = ZXDH_BAR_MSG_SRC_VF;
+ break;
+ default:
+ src_index = ZXDH_BAR_MSG_SRC_ERR;
+ break;
+ }
+ return src_index;
+}
+
+static uint8_t zxdh_bar_msg_dst_index_trans(uint8_t dst)
+{
+ uint8_t dst_index = 0;
+
+ switch (dst) {
+ case ZXDH_MSG_CHAN_END_MPF:
+ dst_index = ZXDH_BAR_MSG_DST_MPF;
+ break;
+ case ZXDH_MSG_CHAN_END_PF:
+ dst_index = ZXDH_BAR_MSG_DST_PFVF;
+ break;
+ case ZXDH_MSG_CHAN_END_VF:
+ dst_index = ZXDH_BAR_MSG_DST_PFVF;
+ break;
+ case ZXDH_MSG_CHAN_END_RISC:
+ dst_index = ZXDH_BAR_MSG_DST_RISC;
+ break;
+ default:
+ dst_index = ZXDH_BAR_MSG_SRC_ERR;
+ break;
+ }
+ return dst_index;
+}
+
+static int zxdh_bar_chan_send_para_check(struct zxdh_pci_bar_msg *in,
+ struct zxdh_msg_recviver_mem *result)
+{
+ uint8_t src_index = 0;
+ uint8_t dst_index = 0;
+
+ if (in == NULL || result == NULL) {
+ PMD_MSG_LOG(ERR, "send para ERR: null para.");
+ return ZXDH_BAR_MSG_ERR_NULL_PARA;
+ }
+ src_index = zxdh_bar_msg_src_index_trans(in->src);
+ dst_index = zxdh_bar_msg_dst_index_trans(in->dst);
+
+ if (src_index == ZXDH_BAR_MSG_SRC_ERR || dst_index == ZXDH_BAR_MSG_DST_ERR) {
+ PMD_MSG_LOG(ERR, "send para ERR: chan doesn't exist.");
+ return ZXDH_BAR_MSG_ERR_TYPE;
+ }
+ if (in->module_id >= ZXDH_BAR_MSG_MODULE_NUM) {
+ PMD_MSG_LOG(ERR, "send para ERR: invalid module_id: %d.", in->module_id);
+ return ZXDH_BAR_MSG_ERR_MODULE;
+ }
+ if (in->payload_addr == NULL) {
+ PMD_MSG_LOG(ERR, "send para ERR: null message.");
+ return ZXDH_BAR_MSG_ERR_BODY_NULL;
+ }
+ if (in->payload_len > ZXDH_BAR_MSG_PAYLOAD_MAX_LEN) {
+ PMD_MSG_LOG(ERR, "send para ERR: len %d is too long.", in->payload_len);
+ return ZXDH_BAR_MSG_ERR_LEN;
+ }
+ if (in->virt_addr == 0 || result->recv_buffer == NULL) {
+ PMD_MSG_LOG(ERR, "send para ERR: virt_addr or recv_buffer is NULL.");
+ return ZXDH_BAR_MSG_ERR_VIRTADDR_NULL;
+ }
+ if (result->buffer_len < ZXDH_REPS_HEADER_PAYLOAD_OFFSET)
+ PMD_MSG_LOG(ERR, "recv buffer len is short than minimal 4 bytes");
+
+ return ZXDH_BAR_MSG_OK;
+}
+
+static uint64_t zxdh_subchan_addr_cal(uint64_t virt_addr, uint8_t chan_id, uint8_t subchan_id)
+{
+ return virt_addr + (2 * chan_id + subchan_id) * ZXDH_BAR_MSG_ADDR_CHAN_INTERVAL;
+}
+
+static uint16_t zxdh_bar_chan_subchan_addr_get(struct zxdh_pci_bar_msg *in, uint64_t *subchan_addr)
+{
+ uint8_t src_index = zxdh_bar_msg_src_index_trans(in->src);
+ uint8_t dst_index = zxdh_bar_msg_dst_index_trans(in->dst);
+ uint16_t chan_id = chan_id_tbl[src_index][dst_index];
+ uint16_t subchan_id = subchan_id_tbl[src_index][dst_index];
+
+ *subchan_addr = zxdh_subchan_addr_cal(in->virt_addr, chan_id, subchan_id);
+ return ZXDH_BAR_MSG_OK;
+}
+
+static int zxdh_bar_hard_lock(uint16_t src_pcieid, uint8_t dst, uint64_t virt_addr)
+{
+ int ret = 0;
+ uint16_t lockid = pcie_id_to_hard_lock(src_pcieid, dst);
+
+ PMD_MSG_LOG(DEBUG, "dev pcieid: 0x%x lock, get hardlockid: %u", src_pcieid, lockid);
+ if (dst == ZXDH_MSG_CHAN_END_RISC)
+ ret = zxdh_spinlock_lock(lockid, virt_addr + ZXDH_CHAN_RISC_SPINLOCK_OFFSET,
+ virt_addr + ZXDH_CHAN_RISC_LABEL_OFFSET,
+ src_pcieid | LOCK_PRIMARY_ID_MASK);
+ else
+ ret = zxdh_spinlock_lock(lockid, virt_addr + ZXDH_CHAN_PFVF_SPINLOCK_OFFSET,
+ virt_addr + ZXDH_CHAN_PFVF_LABEL_OFFSET,
+ src_pcieid | LOCK_PRIMARY_ID_MASK);
+
+ return ret;
+}
+
+static void zxdh_bar_hard_unlock(uint16_t src_pcieid, uint8_t dst, uint64_t virt_addr)
+{
+ uint16_t lockid = pcie_id_to_hard_lock(src_pcieid, dst);
+
+ PMD_MSG_LOG(DEBUG, "dev pcieid: 0x%x unlock, get hardlockid: %u", src_pcieid, lockid);
+ if (dst == ZXDH_MSG_CHAN_END_RISC)
+ zxdh_spinlock_unlock(lockid, virt_addr + ZXDH_CHAN_RISC_SPINLOCK_OFFSET,
+ virt_addr + ZXDH_CHAN_RISC_LABEL_OFFSET);
+ else
+ zxdh_spinlock_unlock(lockid, virt_addr + ZXDH_CHAN_PFVF_SPINLOCK_OFFSET,
+ virt_addr + ZXDH_CHAN_PFVF_LABEL_OFFSET);
+}
+
+static int zxdh_bar_chan_lock(uint8_t src, uint8_t dst, uint16_t src_pcieid, uint64_t virt_addr)
+{
+ int ret = 0;
+ uint8_t src_index = zxdh_bar_msg_src_index_trans(src);
+ uint8_t dst_index = zxdh_bar_msg_dst_index_trans(dst);
+
+ if (src_index == ZXDH_BAR_MSG_SRC_ERR || dst_index == ZXDH_BAR_MSG_DST_ERR) {
+ PMD_MSG_LOG(ERR, "lock ERR: chan doesn't exist.");
+ return ZXDH_BAR_MSG_ERR_TYPE;
+ }
+
+ ret = zxdh_bar_hard_lock(src_pcieid, dst, virt_addr);
+ if (ret != 0)
+ PMD_MSG_LOG(ERR, "dev: 0x%x failed to lock.", src_pcieid);
+
+ return ret;
+}
+
+static int zxdh_bar_chan_unlock(uint8_t src, uint8_t dst, uint16_t src_pcieid, uint64_t virt_addr)
+{
+ uint8_t src_index = zxdh_bar_msg_src_index_trans(src);
+ uint8_t dst_index = zxdh_bar_msg_dst_index_trans(dst);
+
+ if (src_index == ZXDH_BAR_MSG_SRC_ERR || dst_index == ZXDH_BAR_MSG_DST_ERR) {
+ PMD_MSG_LOG(ERR, "unlock ERR: chan doesn't exist.");
+ return ZXDH_BAR_MSG_ERR_TYPE;
+ }
+
+ zxdh_bar_hard_unlock(src_pcieid, dst, virt_addr);
+
+ return ZXDH_BAR_MSG_OK;
+}
+
+static void zxdh_bar_chan_msgid_free(uint16_t msg_id)
+{
+ struct zxdh_seqid_item *seqid_reps_info = &g_seqid_ring.reps_info_tbl[msg_id];
+
+ rte_spinlock_lock(&g_seqid_ring.lock);
+ seqid_reps_info->flag = ZXDH_REPS_INFO_FLAG_USABLE;
+ PMD_MSG_LOG(DEBUG, "free msg_id: %u", msg_id);
+ rte_spinlock_unlock(&g_seqid_ring.lock);
+}
+
+static int zxdh_bar_chan_reg_write(uint64_t subchan_addr, uint32_t offset, uint32_t data)
+{
+ uint32_t algin_offset = (offset & ZXDH_BAR_ALIGN_WORD_MASK);
+
+ if (unlikely(algin_offset >= ZXDH_BAR_MSG_ADDR_CHAN_INTERVAL)) {
+ PMD_MSG_LOG(ERR, "algin_offset exceeds channel size!");
+ return -1;
+ }
+ *(uint32_t *)(subchan_addr + algin_offset) = data;
+ return 0;
+}
+
+static int zxdh_bar_chan_reg_read(uint64_t subchan_addr, uint32_t offset, uint32_t *pdata)
+{
+ uint32_t algin_offset = (offset & ZXDH_BAR_ALIGN_WORD_MASK);
+
+ if (unlikely(algin_offset >= ZXDH_BAR_MSG_ADDR_CHAN_INTERVAL)) {
+ PMD_MSG_LOG(ERR, "algin_offset exceeds channel size!");
+ return -1;
+ }
+ *pdata = *(uint32_t *)(subchan_addr + algin_offset);
+ return 0;
+}
+
+static uint16_t zxdh_bar_chan_msg_header_set(uint64_t subchan_addr,
+ struct zxdh_bar_msg_header *msg_header)
+{
+ uint32_t *data = (uint32_t *)msg_header;
+ uint16_t idx;
+
+ for (idx = 0; idx < (ZXDH_BAR_MSG_PLAYLOAD_OFFSET >> 2); idx++)
+ zxdh_bar_chan_reg_write(subchan_addr, idx * 4, *(data + idx));
+
+ return ZXDH_BAR_MSG_OK;
+}
+
+static uint16_t zxdh_bar_chan_msg_header_get(uint64_t subchan_addr,
+ struct zxdh_bar_msg_header *msg_header)
+{
+ uint32_t *data = (uint32_t *)msg_header;
+ uint16_t idx;
+
+ for (idx = 0; idx < (ZXDH_BAR_MSG_PLAYLOAD_OFFSET >> 2); idx++)
+ zxdh_bar_chan_reg_read(subchan_addr, idx * 4, data + idx);
+
+ return ZXDH_BAR_MSG_OK;
+}
+
+static uint16_t zxdh_bar_chan_msg_payload_set(uint64_t subchan_addr, uint8_t *msg, uint16_t len)
+{
+ uint32_t *data = (uint32_t *)msg;
+ uint32_t count = (len >> 2);
+ uint32_t ix;
+
+ for (ix = 0; ix < count; ix++)
+ zxdh_bar_chan_reg_write(subchan_addr, 4 * ix +
+ ZXDH_BAR_MSG_PLAYLOAD_OFFSET, *(data + ix));
+
+ uint32_t remain = (len & 0x3);
+
+ if (remain) {
+ uint32_t remain_data = 0;
+
+ for (ix = 0; ix < remain; ix++)
+ remain_data |= *((uint8_t *)(msg + len - remain + ix)) << (8 * ix);
+
+ zxdh_bar_chan_reg_write(subchan_addr, 4 * count +
+ ZXDH_BAR_MSG_PLAYLOAD_OFFSET, remain_data);
+ }
+ return ZXDH_BAR_MSG_OK;
+}
+
+static uint16_t zxdh_bar_chan_msg_payload_get(uint64_t subchan_addr, uint8_t *msg, uint16_t len)
+{
+ uint32_t *data = (uint32_t *)msg;
+ uint32_t count = (len >> 2);
+ uint32_t ix;
+
+ for (ix = 0; ix < count; ix++)
+ zxdh_bar_chan_reg_read(subchan_addr, 4 * ix +
+ ZXDH_BAR_MSG_PLAYLOAD_OFFSET, (data + ix));
+
+ uint32_t remain = (len & 0x3);
+
+ if (remain) {
+ uint32_t remain_data = 0;
+
+ zxdh_bar_chan_reg_read(subchan_addr, 4 * count +
+ ZXDH_BAR_MSG_PLAYLOAD_OFFSET, &remain_data);
+ for (ix = 0; ix < remain; ix++)
+ *((uint8_t *)(msg + (len - remain + ix))) = remain_data >> (8 * ix);
+ }
+ return ZXDH_BAR_MSG_OK;
+}
+
+static uint16_t zxdh_bar_chan_msg_valid_set(uint64_t subchan_addr, uint8_t valid_label)
+{
+ uint32_t data;
+
+ zxdh_bar_chan_reg_read(subchan_addr, ZXDH_BAR_MSG_VALID_OFFSET, &data);
+ data &= (~ZXDH_BAR_MSG_VALID_MASK);
+ data |= (uint32_t)valid_label;
+ zxdh_bar_chan_reg_write(subchan_addr, ZXDH_BAR_MSG_VALID_OFFSET, data);
+ return ZXDH_BAR_MSG_OK;
+}
+
+static uint8_t temp_msg[ZXDH_BAR_MSG_ADDR_CHAN_INTERVAL];
+static uint16_t zxdh_bar_chan_msg_send(uint64_t subchan_addr,
+ void *payload_addr,
+ uint16_t payload_len,
+ struct zxdh_bar_msg_header *msg_header)
+{
+ uint16_t ret = 0;
+ ret = zxdh_bar_chan_msg_header_set(subchan_addr, msg_header);
+
+ ret = zxdh_bar_chan_msg_header_get(subchan_addr,
+ (struct zxdh_bar_msg_header *)temp_msg);
+
+ ret = zxdh_bar_chan_msg_payload_set(subchan_addr,
+ (uint8_t *)(payload_addr), payload_len);
+
+ ret = zxdh_bar_chan_msg_payload_get(subchan_addr,
+ temp_msg, payload_len);
+
+ ret = zxdh_bar_chan_msg_valid_set(subchan_addr, ZXDH_BAR_MSG_CHAN_USED);
+ return ret;
+}
+
+static uint16_t zxdh_bar_msg_valid_stat_get(uint64_t subchan_addr)
+{
+ uint32_t data;
+
+ zxdh_bar_chan_reg_read(subchan_addr, ZXDH_BAR_MSG_VALID_OFFSET, &data);
+ if (ZXDH_BAR_MSG_CHAN_USABLE == (data & ZXDH_BAR_MSG_VALID_MASK))
+ return ZXDH_BAR_MSG_CHAN_USABLE;
+
+ return ZXDH_BAR_MSG_CHAN_USED;
+}
+
+static uint16_t zxdh_bar_chan_msg_poltag_set(uint64_t subchan_addr, uint8_t label)
+{
+ uint32_t data;
+
+ zxdh_bar_chan_reg_read(subchan_addr, ZXDH_BAR_MSG_VALID_OFFSET, &data);
+ data &= (~(uint32_t)ZXDH_BAR_MSG_POL_MASK);
+ data |= ((uint32_t)label << ZXDH_BAR_MSG_POL_OFFSET);
+ zxdh_bar_chan_reg_write(subchan_addr, ZXDH_BAR_MSG_VALID_OFFSET, data);
+ return ZXDH_BAR_MSG_OK;
+}
+
+static uint16_t zxdh_bar_chan_sync_msg_reps_get(uint64_t subchan_addr,
+ uint64_t recv_buffer, uint16_t buffer_len)
+{
+ struct zxdh_bar_msg_header msg_header = {0};
+ uint16_t msg_id = 0;
+ uint16_t msg_len = 0;
+
+ zxdh_bar_chan_msg_header_get(subchan_addr, &msg_header);
+ msg_id = msg_header.msg_id;
+ struct zxdh_seqid_item *reps_info = &g_seqid_ring.reps_info_tbl[msg_id];
+
+ if (reps_info->flag != ZXDH_REPS_INFO_FLAG_USED) {
+ PMD_MSG_LOG(ERR, "msg_id %u unused", msg_id);
+ return ZXDH_BAR_MSG_ERR_REPLY;
+ }
+ msg_len = msg_header.len;
+
+ if (msg_len > buffer_len - 4) {
+ PMD_MSG_LOG(ERR, "recv buffer len is: %u, but reply msg len is: %u",
+ buffer_len, msg_len + 4);
+ return ZXDH_BAR_MSG_ERR_REPSBUFF_LEN;
+ }
+ uint8_t *recv_msg = (uint8_t *)recv_buffer;
+
+ zxdh_bar_chan_msg_payload_get(subchan_addr,
+ recv_msg + ZXDH_REPS_HEADER_PAYLOAD_OFFSET, msg_len);
+ *(uint16_t *)(recv_msg + ZXDH_REPS_HEADER_LEN_OFFSET) = msg_len;
+ *recv_msg = ZXDH_REPS_HEADER_REPLYED; /* set reps's valid */
+ return ZXDH_BAR_MSG_OK;
+}
+
+int zxdh_bar_chan_sync_msg_send(struct zxdh_pci_bar_msg *in, struct zxdh_msg_recviver_mem *result)
+{
+ struct zxdh_bar_msg_header msg_header = {0};
+ uint16_t seq_id = 0;
+ uint64_t subchan_addr = 0;
+ uint32_t time_out_cnt = 0;
+ uint16_t valid = 0;
+ int ret = 0;
+
+ ret = zxdh_bar_chan_send_para_check(in, result);
+ if (ret != ZXDH_BAR_MSG_OK)
+ goto exit;
+
+ ret = zxdh_bar_chan_save_recv_info(result, &seq_id);
+ if (ret != ZXDH_BAR_MSG_OK)
+ goto exit;
+
+ zxdh_bar_chan_subchan_addr_get(in, &subchan_addr);
+
+ msg_header.sync = ZXDH_BAR_CHAN_MSG_SYNC;
+ msg_header.emec = in->emec;
+ msg_header.usr = 0;
+ msg_header.rsv = 0;
+ msg_header.module_id = in->module_id;
+ msg_header.len = in->payload_len;
+ msg_header.msg_id = seq_id;
+ msg_header.src_pcieid = in->src_pcieid;
+ msg_header.dst_pcieid = in->dst_pcieid;
+
+ ret = zxdh_bar_chan_lock(in->src, in->dst, in->src_pcieid, in->virt_addr);
+ if (ret != ZXDH_BAR_MSG_OK) {
+ zxdh_bar_chan_msgid_free(seq_id);
+ goto exit;
+ }
+ zxdh_bar_chan_msg_send(subchan_addr, in->payload_addr, in->payload_len, &msg_header);
+
+ do {
+ rte_delay_us_block(ZXDH_BAR_MSG_POLLING_SPAN);
+ valid = zxdh_bar_msg_valid_stat_get(subchan_addr);
+ ++time_out_cnt;
+ } while ((time_out_cnt < ZXDH_BAR_MSG_TIMEOUT_TH) && (valid == ZXDH_BAR_MSG_CHAN_USED));
+
+ if (time_out_cnt == ZXDH_BAR_MSG_TIMEOUT_TH && valid != ZXDH_BAR_MSG_CHAN_USABLE) {
+ zxdh_bar_chan_msg_valid_set(subchan_addr, ZXDH_BAR_MSG_CHAN_USABLE);
+ zxdh_bar_chan_msg_poltag_set(subchan_addr, 0);
+ PMD_MSG_LOG(ERR, "BAR MSG ERR: chan type time out.");
+ ret = ZXDH_BAR_MSG_ERR_TIME_OUT;
+ } else {
+ ret = zxdh_bar_chan_sync_msg_reps_get(subchan_addr,
+ (uint64_t)result->recv_buffer, result->buffer_len);
+ }
+ zxdh_bar_chan_msgid_free(seq_id);
+ zxdh_bar_chan_unlock(in->src, in->dst, in->src_pcieid, in->virt_addr);
+
+exit:
+ return ret;
+}
+
+static int bar_get_sum(uint8_t *ptr, uint8_t len)
+{
+ uint64_t sum = 0;
+ int idx;
+
+ for (idx = 0; idx < len; idx++)
+ sum += *(ptr + idx);
+
+ return (uint16_t)sum;
+}
+
+static int zxdh_bar_chan_enable(struct zxdh_msix_para *para, uint16_t *vport)
+{
+ struct zxdh_bar_recv_msg recv_msg = {0};
+ int ret = 0;
+ int check_token = 0;
+ int sum_res = 0;
+
+ if (!para)
+ return ZXDH_BAR_MSG_ERR_NULL;
+
+ struct zxdh_msix_msg msix_msg = {
+ .pcie_id = para->pcie_id,
+ .vector_risc = para->vector_risc,
+ .vector_pfvf = para->vector_pfvf,
+ .vector_mpf = para->vector_mpf,
+ };
+ struct zxdh_pci_bar_msg in = {
+ .virt_addr = para->virt_addr,
+ .payload_addr = &msix_msg,
+ .payload_len = sizeof(msix_msg),
+ .emec = 0,
+ .src = para->driver_type,
+ .dst = ZXDH_MSG_CHAN_END_RISC,
+ .module_id = ZXDH_BAR_MODULE_MISX,
+ .src_pcieid = para->pcie_id,
+ .dst_pcieid = 0,
+ .usr = 0,
+ };
+
+ struct zxdh_msg_recviver_mem result = {
+ .recv_buffer = &recv_msg,
+ .buffer_len = sizeof(recv_msg),
+ };
+
+ ret = zxdh_bar_chan_sync_msg_send(&in, &result);
+ if (ret != ZXDH_BAR_MSG_OK)
+ return -ret;
+
+ check_token = recv_msg.msix_reps.check;
+ sum_res = bar_get_sum((uint8_t *)&msix_msg, sizeof(msix_msg));
+
+ if (check_token != sum_res) {
+ PMD_MSG_LOG(ERR, "expect token: 0x%x, get token: 0x%x.", sum_res, check_token);
+ return ZXDH_BAR_MSG_ERR_REPLY;
+ }
+ *vport = recv_msg.msix_reps.vport;
+ PMD_MSG_LOG(DEBUG, "vport of pcieid: 0x%x get success.", para->pcie_id);
+ return ZXDH_BAR_MSG_OK;
+}
+
+int zxdh_msg_chan_enable(struct rte_eth_dev *dev)
+{
+ struct zxdh_hw *hw = dev->data->dev_private;
+ struct zxdh_msix_para misx_info = {
+ .vector_risc = ZXDH_MSIX_FROM_RISCV,
+ .vector_pfvf = ZXDH_MSIX_FROM_PFVF,
+ .vector_mpf = ZXDH_MSIX_FROM_MPF,
+ .pcie_id = hw->pcie_id,
+ .driver_type = hw->is_pf ? ZXDH_MSG_CHAN_END_PF : ZXDH_MSG_CHAN_END_VF,
+ .virt_addr = (uint64_t)(hw->bar_addr[ZXDH_BAR0_INDEX] + ZXDH_CTRLCH_OFFSET),
+ };
+
+ return zxdh_bar_chan_enable(&misx_info, &hw->vport.vport);
+}
diff --git a/drivers/net/zxdh/zxdh_msg.h b/drivers/net/zxdh/zxdh_msg.h
index a0b46c900a..7fbab4b214 100644
--- a/drivers/net/zxdh/zxdh_msg.h
+++ b/drivers/net/zxdh/zxdh_msg.h
@@ -14,6 +14,21 @@ extern "C" {
#endif
#define ZXDH_BAR0_INDEX 0
+#define ZXDH_CTRLCH_OFFSET (0x2000)
+
+#define ZXDH_MSIX_INTR_MSG_VEC_BASE 1
+
+#define ZXDH_BAR_MSG_POLLING_SPAN 100
+#define ZXDH_BAR_MSG_POLL_CNT_PER_MS (1 * 1000 / ZXDH_BAR_MSG_POLLING_SPAN)
+#define ZXDH_BAR_MSG_POLL_CNT_PER_S (1 * 1000 * 1000 / ZXDH_BAR_MSG_POLLING_SPAN)
+#define ZXDH_BAR_MSG_TIMEOUT_TH (10 * 1000 * 1000 / ZXDH_BAR_MSG_POLLING_SPAN)
+
+#define ZXDH_BAR_CHAN_MSG_SYNC 0
+
+#define ZXDH_BAR_MSG_ADDR_CHAN_INTERVAL (2 * 1024) /* channel size */
+#define ZXDH_BAR_MSG_PLAYLOAD_OFFSET (sizeof(struct zxdh_bar_msg_header))
+#define ZXDH_BAR_MSG_PAYLOAD_MAX_LEN \
+ (ZXDH_BAR_MSG_ADDR_CHAN_INTERVAL - sizeof(struct zxdh_bar_msg_header))
enum ZXDH_DRIVER_TYPE {
ZXDH_MSG_CHAN_END_MPF = 0,
@@ -22,6 +37,13 @@ enum ZXDH_DRIVER_TYPE {
ZXDH_MSG_CHAN_END_RISC,
};
+enum ZXDH_MSG_VEC {
+ ZXDH_MSIX_FROM_PFVF = ZXDH_MSIX_INTR_MSG_VEC_BASE,
+ ZXDH_MSIX_FROM_MPF,
+ ZXDH_MSIX_FROM_RISCV,
+ ZXDH_MSG_VEC_NUM,
+};
+
enum ZXDH_BAR_MSG_RTN {
ZXDH_BAR_MSG_OK = 0,
ZXDH_BAR_MSG_ERR_MSGID,
@@ -56,10 +78,117 @@ enum ZXDH_BAR_MSG_RTN {
ZXDH_BAR_MSG_ERR_SOCKET, /* netlink sockte err */
};
+enum zxdh_bar_module_id {
+ ZXDH_BAR_MODULE_DBG = 0, /* 0: debug */
+ ZXDH_BAR_MODULE_TBL, /* 1: resource table */
+ ZXDH_BAR_MODULE_MISX, /* 2: config msix */
+ ZXDH_BAR_MODULE_SDA, /* 3: */
+ ZXDH_BAR_MODULE_RDMA, /* 4: */
+ ZXDH_BAR_MODULE_DEMO, /* 5: channel test */
+ ZXDH_BAR_MODULE_SMMU, /* 6: */
+ ZXDH_BAR_MODULE_MAC, /* 7: mac rx/tx stats */
+ ZXDH_BAR_MODULE_VDPA, /* 8: vdpa live migration */
+ ZXDH_BAR_MODULE_VQM, /* 9: vqm live migration */
+ ZXDH_BAR_MODULE_NP, /* 10: vf msg callback np */
+ ZXDH_BAR_MODULE_VPORT, /* 11: get vport */
+ ZXDH_BAR_MODULE_BDF, /* 12: get bdf */
+ ZXDH_BAR_MODULE_RISC_READY, /* 13: */
+ ZXDH_BAR_MODULE_REVERSE, /* 14: byte stream reverse */
+ ZXDH_BAR_MDOULE_NVME, /* 15: */
+ ZXDH_BAR_MDOULE_NPSDK, /* 16: */
+ ZXDH_BAR_MODULE_NP_TODO, /* 17: */
+ ZXDH_MODULE_BAR_MSG_TO_PF, /* 18: */
+ ZXDH_MODULE_BAR_MSG_TO_VF, /* 19: */
+
+ ZXDH_MODULE_FLASH = 32,
+ ZXDH_BAR_MODULE_OFFSET_GET = 33,
+ ZXDH_BAR_EVENT_OVS_WITH_VCB = 36,
+
+ ZXDH_BAR_MSG_MODULE_NUM = 100,
+};
+
+struct zxdh_msix_para {
+ uint16_t pcie_id;
+ uint16_t vector_risc;
+ uint16_t vector_pfvf;
+ uint16_t vector_mpf;
+ uint64_t virt_addr;
+ uint16_t driver_type; /* refer to DRIVER_TYPE */
+};
+
+struct zxdh_msix_msg {
+ uint16_t pcie_id;
+ uint16_t vector_risc;
+ uint16_t vector_pfvf;
+ uint16_t vector_mpf;
+};
+
+struct zxdh_pci_bar_msg {
+ uint64_t virt_addr; /* bar addr */
+ void *payload_addr;
+ uint16_t payload_len;
+ uint16_t emec;
+ uint16_t src; /* refer to BAR_DRIVER_TYPE */
+ uint16_t dst; /* refer to BAR_DRIVER_TYPE */
+ uint16_t module_id;
+ uint16_t src_pcieid;
+ uint16_t dst_pcieid;
+ uint16_t usr;
+};
+
+struct zxdh_bar_msix_reps {
+ uint16_t pcie_id;
+ uint16_t check;
+ uint16_t vport;
+ uint16_t rsv;
+} __rte_packed;
+
+struct zxdh_bar_offset_reps {
+ uint16_t check;
+ uint16_t rsv;
+ uint32_t offset;
+ uint32_t length;
+} __rte_packed;
+
+struct zxdh_bar_recv_msg {
+ uint8_t reps_ok;
+ uint16_t reps_len;
+ uint8_t rsv;
+ /* */
+ union {
+ struct zxdh_bar_msix_reps msix_reps;
+ struct zxdh_bar_offset_reps offset_reps;
+ } __rte_packed;
+} __rte_packed;
+
+struct zxdh_msg_recviver_mem {
+ void *recv_buffer; /* first 4B is head, followed by payload */
+ uint64_t buffer_len;
+};
+
+struct zxdh_bar_msg_header {
+ uint8_t valid : 1; /* used by __bar_chan_msg_valid_set/get */
+ uint8_t sync : 1;
+ uint8_t emec : 1; /* emergency */
+ uint8_t ack : 1; /* ack msg */
+ uint8_t poll : 1;
+ uint8_t usr : 1;
+ uint8_t rsv;
+ uint16_t module_id;
+ uint16_t len;
+ uint16_t msg_id;
+ uint16_t src_pcieid;
+ uint16_t dst_pcieid; /* used in PF-->VF */
+};
+
int zxdh_msg_chan_init(void);
int zxdh_bar_msg_chan_exit(void);
int zxdh_msg_chan_hwlock_init(struct rte_eth_dev *dev);
+int zxdh_msg_chan_enable(struct rte_eth_dev *dev);
+int zxdh_bar_chan_sync_msg_send(struct zxdh_pci_bar_msg *in,
+ struct zxdh_msg_recviver_mem *result);
+
#ifdef __cplusplus
}
#endif
--
2.27.0