mbx base code is for communicate with the firmware
Signed-off-by: Wenbo Cao <caowe...@mucse.com>
---
drivers/net/rnp/base/rnp_hw.h | 107 ++++++-
drivers/net/rnp/meson.build | 1 +
drivers/net/rnp/rnp.h | 35 +++
drivers/net/rnp/rnp_ethdev.c | 68 +++++
drivers/net/rnp/rnp_logs.h | 9 +
drivers/net/rnp/rnp_mbx.c | 522 ++++++++++++++++++++++++++++++++++
drivers/net/rnp/rnp_mbx.h | 138 +++++++++
drivers/net/rnp/rnp_mbx_fw.h | 22 ++
8 files changed, 901 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/rnp/rnp_mbx.c
create mode 100644 drivers/net/rnp/rnp_mbx.h
create mode 100644 drivers/net/rnp/rnp_mbx_fw.h
diff --git a/drivers/net/rnp/base/rnp_hw.h b/drivers/net/rnp/base/rnp_hw.h
index 543011a64c..da3659bd67 100644
--- a/drivers/net/rnp/base/rnp_hw.h
+++ b/drivers/net/rnp/base/rnp_hw.h
@@ -4,15 +4,120 @@
#ifndef __RNP_HW_H__
#define __RNP_HW_H__
+#include <rte_io.h>
+#include <ethdev_driver.h>
+
+#include "rnp_osdep.h"
+
+static inline unsigned int rnp_rd_reg(volatile void *addr)
+{
+ unsigned int v = rte_read32(addr);
+
+ return v;
+}
+
+static inline void rnp_wr_reg(volatile void *reg, int val)
+{
+ rte_write32_relaxed((val), (reg));
+}
+
+#define mbx_rd32(hw, reg) rnp_rd_reg((hw)->iobar4 + (reg))
+#define mbx_wr32(hw, reg, val) rnp_wr_reg((hw)->iobar4 + (reg), (val))
+
+struct rnp_hw;
+/* Mbx Operate info */
+enum MBX_ID {
+ MBX_PF = 0,
+ MBX_VF,
+ MBX_CM3CPU,
+ MBX_FW = MBX_CM3CPU,
+ MBX_VFCNT
+};
+struct rnp_mbx_api {
+ void (*init_mbx)(struct rnp_hw *hw);
+ int32_t (*read)(struct rnp_hw *hw,
+ uint32_t *msg,
+ uint16_t size,
+ enum MBX_ID);
+ int32_t (*write)(struct rnp_hw *hw,
+ uint32_t *msg,
+ uint16_t size,
+ enum MBX_ID);
+ int32_t (*read_posted)(struct rte_eth_dev *dev,
+ uint32_t *msg,
+ uint16_t size,
+ enum MBX_ID);
+ int32_t (*write_posted)(struct rte_eth_dev *dev,
+ uint32_t *msg,
+ uint16_t size,
+ enum MBX_ID);
+ int32_t (*check_for_msg)(struct rnp_hw *hw, enum MBX_ID);
+ int32_t (*check_for_ack)(struct rnp_hw *hw, enum MBX_ID);
+ int32_t (*check_for_rst)(struct rnp_hw *hw, enum MBX_ID);
+ int32_t (*configure)(struct rnp_hw *hw, int nr_vec, bool enable);
+};
+
+struct rnp_mbx_stats {
+ u32 msgs_tx;
+ u32 msgs_rx;
+
+ u32 acks;
+ u32 reqs;
+ u32 rsts;
+};
+
+struct rnp_mbx_info {
+ struct rnp_mbx_api ops;
+ uint32_t usec_delay; /* retry interval delay time */
+ uint32_t timeout; /* retry ops timeout limit */
+ uint16_t size; /* data buffer size*/
+ uint16_t vf_num; /* Virtual Function num */
+ uint16_t pf_num; /* Physical Function num */
+ uint16_t sriov_st; /* Sriov state */
+ bool irq_enabled;
+ union {
+ struct {
+ unsigned short pf_req;
+ unsigned short pf_ack;
+ };
+ struct {
+ unsigned short cpu_req;
+ unsigned short cpu_ack;
+ };
+ };
+ unsigned short vf_req[64];
+ unsigned short vf_ack[64];
+
+ struct rnp_mbx_stats stats;
+
+ rte_atomic16_t state;
+} __rte_cache_aligned;
+
+#define RNP_MAX_HW_PORT_PERR_PF (4)
struct rnp_hw {
void *back;
char *iobar0;
uint32_t iobar0_len;
char *iobar4;
uint32_t iobar4_len;
+ char *link_sync;
+ char *dma_base;
+ char *eth_base;
+ char *veb_base;
+ char *mac_base[RNP_MAX_HW_PORT_PERR_PF];
+ char *msix_base;
+ /* === dma == */
+ char *dma_axi_en;
+ char *dma_axi_st;
uint16_t device_id;
uint16_t vendor_id;
-} __rte_cache_aligned;
+ uint16_t function;
+ uint16_t pf_vf_num;
+ uint16_t max_vfs;
+ void *cookie_pool;
+ char cookie_p_name[RTE_MEMZONE_NAMESIZE];
+ struct rnp_mbx_info mbx;
+} __rte_cache_aligned;
#endif /* __RNP_H__*/
diff --git a/drivers/net/rnp/meson.build b/drivers/net/rnp/meson.build
index 36a1f7148d..38dbee5ca4 100644
--- a/drivers/net/rnp/meson.build
+++ b/drivers/net/rnp/meson.build
@@ -9,5 +9,6 @@ endif
sources = files(
'rnp_ethdev.c',
+ 'rnp_mbx.c',
)
includes += include_directories('base')
diff --git a/drivers/net/rnp/rnp.h b/drivers/net/rnp/rnp.h
index ea9d138673..a8999ddc47 100644
--- a/drivers/net/rnp/rnp.h
+++ b/drivers/net/rnp/rnp.h
@@ -3,6 +3,7 @@
*/
#ifndef __RNP_H__
#define __RNP_H__
+#include <rte_log.h>
#include "base/rnp_hw.h"
@@ -14,14 +15,17 @@
struct rnp_eth_port {
void *adapt;
+ struct rnp_hw *hw;
struct rte_eth_dev *eth_dev;
} __rte_cache_aligned;
struct rnp_share_ops {
+ struct rnp_mbx_api mbx_api;
} __rte_cache_aligned;
struct rnp_eth_adapter {
struct rnp_hw hw;
+ uint16_t max_vfs;
struct rte_pci_device *pdev;
struct rte_eth_dev *eth_dev; /* master eth_dev */
struct rnp_eth_port *ports[RNP_MAX_PORT_OF_PF];
@@ -34,5 +38,36 @@ struct rnp_eth_adapter {
(((struct rnp_eth_port *)((eth_dev)->data->dev_private)))
#define RNP_DEV_TO_ADAPTER(eth_dev) \
((struct rnp_eth_adapter *)(RNP_DEV_TO_PORT(eth_dev)->adapt))
+#define RNP_DEV_TO_HW(eth_dev) \
+ (&((struct rnp_eth_adapter *)(RNP_DEV_TO_PORT((eth_dev))->adapt))->hw)
+#define RNP_DEV_PP_PRIV_TO_MBX_OPS(dev) \
+ (&((struct rnp_share_ops *)(dev)->process_private)->mbx_api)
+#define RNP_DEV_TO_MBX_OPS(dev) RNP_DEV_PP_PRIV_TO_MBX_OPS(dev)
+static inline void rnp_reg_offset_init(struct rnp_hw *hw)
+{
+ uint16_t i;
+
+ if (hw->device_id == RNP_DEV_ID_N10G && hw->mbx.pf_num) {
+ hw->iobar4 += 0x100000;
+ hw->msix_base = hw->iobar4 + 0xa0000;
+ hw->msix_base += 0x200;
+ } else {
+ hw->msix_base = hw->iobar4 + 0xa0000;
+ }
+ /* === dma status/config====== */
+ hw->link_sync = hw->iobar4 + 0x000c;
+ hw->dma_axi_en = hw->iobar4 + 0x0010;
+ hw->dma_axi_st = hw->iobar4 + 0x0014;
+
+ if (hw->mbx.pf_num)
+ hw->msix_base += 0x200;
+ /* === queue registers === */
+ hw->dma_base = hw->iobar4 + 0x08000;
+ hw->veb_base = hw->iobar4 + 0x0;
+ hw->eth_base = hw->iobar4 + 0x10000;
+ /* mac */
+ for (i = 0; i < RNP_MAX_HW_PORT_PERR_PF; i++)
+ hw->mac_base[i] = hw->iobar4 + 0x60000 + 0x10000 * i;
+}
#endif /* __RNP_H__ */
diff --git a/drivers/net/rnp/rnp_ethdev.c b/drivers/net/rnp/rnp_ethdev.c
index 18fd169166..4747a41423 100644
--- a/drivers/net/rnp/rnp_ethdev.c
+++ b/drivers/net/rnp/rnp_ethdev.c
@@ -8,8 +8,10 @@
#include <ethdev_driver.h>
#include "rnp.h"
+#include "rnp_mbx.h"
#include "rnp_logs.h"
+extern struct rnp_mbx_api rnp_mbx_pf_ops;
static int
rnp_mac_rx_disable(struct rte_eth_dev *dev)
{
@@ -89,6 +91,59 @@ rnp_alloc_eth_port(struct rte_pci_device *master_pci, char
*name)
return NULL;
}
+static void rnp_get_nic_attr(struct rnp_eth_adapter *adapter)
+{
+ RTE_SET_USED(adapter);
+}
+
+static int
+rnp_process_resource_init(struct rte_eth_dev *eth_dev)
+{
+ struct rnp_share_ops *share_priv;
+
+ /* allocate process_private memory this must can't
+ * belone to the dpdk mem resource manager
+ * such as from rte_malloc or rte_dma_zone..
+ */
+ /* use the process_prive point to resolve secondary process
+ * use point-func. This point is per process will be safe to cover.
+ * This will cause secondary process core-dump because of IPC
+ * Secondary will call primary process point func virt-address
+ * secondary process don't alloc user/pmd to alloc or free
+ * the memory of dpdk-mem resource it will cause hugepage
+ * mem exception
+ * be careful for secondary Process to use the share-mem of
+ * point correlation
+ */
+ share_priv = calloc(1, sizeof(*share_priv));
+ if (!share_priv) {
+ PMD_DRV_LOG(ERR, "calloc share_priv failed");
+ return -ENOMEM;
+ }
+
+ eth_dev->process_private = share_priv;
+ adapter->share_priv = share_priv;
+
+ return 0;
+}
+
+static void
+rnp_common_ops_init(struct rnp_eth_adapter *adapter)
+{
+ struct rnp_share_ops *share_priv;
+
+ share_priv = adapter->share_priv;
+ share_priv->mbx_api = rnp_mbx_pf_ops;
+}
+
+static int
+rnp_special_ops_init(struct rte_eth_dev *eth_dev)
+{
+ RTE_SET_USED(eth_dev);
+
+ return 0;
+}
+
static int
rnp_eth_dev_init(struct rte_eth_dev *dev)
{
@@ -124,6 +179,19 @@ rnp_eth_dev_init(struct rte_eth_dev *dev)
hw->device_id = pci_dev->id.device_id;
hw->vendor_id = pci_dev->id.vendor_id;
hw->device_id = pci_dev->id.device_id;
+ adapter->max_vfs = pci_dev->max_vfs;
+ ret = rnp_process_resource_init(dev, adapter);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "share prive resource init failed");
+ return ret;
+ }
+ rnp_common_ops_init(adapter);
+ rnp_get_nic_attr(adapter);
+ /* We need Use Device Id To Change The Resource Mode */
+ rnp_special_ops_init(dev);
+ port->adapt = adapter;
+ port->hw = hw;
+ rnp_init_mbx_ops_pf(hw);
for (p_id = 0; p_id < adapter->num_ports; p_id++) {
/* port 0 resource has been alloced When Probe */
if (!p_id) {
diff --git a/drivers/net/rnp/rnp_logs.h b/drivers/net/rnp/rnp_logs.h
index 1b3ee33745..f1648aabb5 100644
--- a/drivers/net/rnp/rnp_logs.h
+++ b/drivers/net/rnp/rnp_logs.h
@@ -13,6 +13,15 @@ extern int rnp_drv_logtype;
#define RNP_PMD_DRV_LOG(level, fmt, args...) \
rte_log(RTE_LOG_##level, rnp_drv_logtype, \
"%s() " fmt, __func__, ##args)
+#define PMD_DRV_LOG_RAW(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, rnp_drv_logtype, "%s(): " fmt, \
+ __func__, ## args)
+#define PMD_DRV_LOG(level, fmt, args...) \
+ PMD_DRV_LOG_RAW(level, fmt "\n", ## args)
+
+#define RNP_PMD_LOG(level, fmt, args...) \
+ rte_log(RTE_LOG_##level, rnp_drv_logtype, \
+ "rnp_net: (%d) " fmt, __LINE__, ##args)
#ifdef RTE_LIBRTE_RNP_DEBUG_RX
extern int rnp_rx_logtype;
#define RNP_PMD_RX_LOG(level, fmt, args...) \
diff --git a/drivers/net/rnp/rnp_mbx.c b/drivers/net/rnp/rnp_mbx.c
new file mode 100644
index 0000000000..0f1c0a5b74
--- /dev/null
+++ b/drivers/net/rnp/rnp_mbx.c
@@ -0,0 +1,522 @@
+#include <rte_cycles.h>
+#include <rte_log.h>
+
+#include "rnp.h"
+#include "rnp_hw.h"
+#include "rnp_mbx.h"
+#include "rnp_mbx_fw.h"
+#include "rnp_logs.h"
+
+#define RNP_MAX_VF_FUNCTIONS (64)
+/* == VEC == */
+#define VF2PF_MBOX_VEC(VF) (0xa5100 + 4 * (VF))
+#define CPU2PF_MBOX_VEC (0xa5300)
+
+/* == PF <--> VF mailbox ==== */
+#define SHARE_MEM_BYTES (64) /* 64bytes */
+/* for PF1 rtl will remap 6000 to 0xb000 */
+#define PF_VF_SHM(vf) ((0xa6000) + (64 * (vf)))
+#define PF2VF_COUNTER(vf) (PF_VF_SHM(vf) + 0)
+#define VF2PF_COUNTER(vf) (PF_VF_SHM(vf) + 4)
+#define PF_VF_SHM_DATA(vf) (PF_VF_SHM(vf) + 8)
+#define PF2VF_MBOX_CTRL(vf) ((0xa7100) + (4 * (vf)))
+#define PF_VF_MBOX_MASK_LO ((0xa7200))
+#define PF_VF_MBOX_MASK_HI ((0xa7300))
+
+/* === CPU <--> PF === */
+#define CPU_PF_SHM (0xaa000)
+#define CPU2PF_COUNTER (CPU_PF_SHM + 0)
+#define PF2CPU_COUNTER (CPU_PF_SHM + 4)
+#define CPU_PF_SHM_DATA (CPU_PF_SHM + 8)
+#define PF2CPU_MBOX_CTRL (0xaa100)
+#define CPU_PF_MBOX_MASK (0xaa300)
+
+/* === CPU <--> VF === */
+#define CPU_VF_SHM(vf) (0xa8000 + (64 * (vf)))
+#define CPU2VF_COUNTER(vf) (CPU_VF_SHM(vf) + 0)
+#define VF2CPU_COUNTER(vf) (CPU_VF_SHM(vf) + 4)
+#define CPU_VF_SHM_DATA(vf) (CPU_VF_SHM(vf) + 8)
+#define VF2CPU_MBOX_CTRL(vf) (0xa9000 + 64 * (vf))
+#define CPU_VF_MBOX_MASK_LO(vf) (0xa9200 + 64 * (vf))
+#define CPU_VF_MBOX_MASK_HI(vf) (0xa9300 + 64 * (vf))
+
+#define MBOX_CTRL_REQ (1 << 0) /* WO */
+/* VF:WR, PF:RO */
+#define MBOX_CTRL_PF_HOLD_SHM (1 << 3) /* VF:RO, PF:WR */
+
+#define MBOX_IRQ_EN (0)
+#define MBOX_IRQ_DISABLE (1)
+
+/****************************PF MBX OPS************************************/
+static inline u16 rnp_mbx_get_req(struct rnp_hw *hw, int reg)
+{
+ rte_mb();
+ return mbx_rd32(hw, reg) & 0xffff;
+}
+
+static inline u16 rnp_mbx_get_ack(struct rnp_hw *hw, int reg)
+{
+ rte_mb();
+ return (mbx_rd32(hw, reg) >> 16) & 0xffff;
+}
+
+static inline void rnp_mbx_inc_pf_req(struct rnp_hw *hw, enum MBX_ID mbx_id)
+{
+ int reg = (mbx_id == MBX_CM3CPU) ?
+ PF2CPU_COUNTER : PF2VF_COUNTER(mbx_id);
+ u32 v = mbx_rd32(hw, reg);
+ u16 req;
+
+ req = (v & 0xffff);
+ req++;
+ v &= ~(0x0000ffff);
+ v |= req;
+
+ rte_mb();
+ mbx_wr32(hw, reg, v);
+
+ /* update stats */
+ /* hw->mbx.stats.msgs_tx++; */
+}
+
+static inline void rnp_mbx_inc_pf_ack(struct rnp_hw *hw, enum MBX_ID mbx_id)
+{
+ int reg = (mbx_id == MBX_CM3CPU) ?
+ PF2CPU_COUNTER : PF2VF_COUNTER(mbx_id);
+ u32 v = mbx_rd32(hw, reg);
+ u16 ack;
+
+ ack = (v >> 16) & 0xffff;
+ ack++;
+ v &= ~(0xffff0000);
+ v |= (ack << 16);
+
+ rte_mb();
+ mbx_wr32(hw, reg, v);
+
+ /* update stats */
+ /* hw->mbx.stats.msgs_rx++; */
+}
+
+/**
+ * rnp_poll_for_msg - Wait for message notification
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to write
+ *
+ * returns SUCCESS if it successfully received a message notification
+ **/
+static int32_t rnp_poll_for_msg(struct rte_eth_dev *dev, enum MBX_ID mbx_id)
+{
+ struct rnp_mbx_api *ops = RNP_DEV_TO_MBX_OPS(dev);
+ struct rnp_hw *hw = RNP_DEV_TO_HW(dev);
+ struct rnp_mbx_info *mbx = &hw->mbx;
+ int countdown = mbx->timeout;
+
+ if (!countdown || !ops->check_for_msg)
+ goto out;
+
+ while (countdown && ops->check_for_msg(hw, mbx_id)) {
+ countdown--;
+ if (!countdown)
+ break;
+ rte_delay_us_block(mbx->usec_delay);
+ }
+
+out:
+ return countdown ? 0 : -ETIME;
+}
+
+/**
+ * rnp_poll_for_ack - Wait for message acknowledgment
+ * @hw: pointer to the HW structure
+ * @mbx_id: id of mailbox to write
+ *
+ * returns SUCCESS if it successfully received a message acknowledgment
+ **/
+static int32_t rnp_poll_for_ack(struct rte_eth_dev *dev, enum MBX_ID mbx_id)
+{
+ struct rnp_mbx_api *ops = RNP_DEV_TO_MBX_OPS(dev);
+ struct rnp_hw *hw = RNP_DEV_TO_HW(dev);
+ struct rnp_mbx_info *mbx = &hw->mbx;
+ int countdown = mbx->timeout;
+
+ if (!countdown || !ops->check_for_ack)
+ goto out;
+
+ while (countdown && ops->check_for_ack(hw, mbx_id)) {
+ countdown--;
+ if (!countdown)
+ break;
+ rte_delay_us_block(mbx->usec_delay);
+ }
+
+out:
+ return countdown ? 0 : -ETIME;
+}
+
+/**
+ * rnp_read_posted_mbx - Wait for message notification and receive message
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @mbx_id: id of mailbox to write
+ *
+ * returns SUCCESS if it successfully received a message notification and
+ * copied it into the receive buffer.
+ **/
+static int32_t
+rnp_read_posted_mbx_pf(struct rte_eth_dev *dev, u32 *msg, u16 size,
+ enum MBX_ID mbx_id)
+{
+ struct rnp_mbx_api *ops = RNP_DEV_TO_MBX_OPS(dev);
+ struct rnp_hw *hw = RNP_DEV_TO_HW(dev);
+ struct rnp_mbx_info *mbx = &hw->mbx;
+ int countdown = mbx->timeout;
+ int32_t ret_val = -ETIME;
+
+ if (!ops->read || !countdown)
+ return -EOPNOTSUPP;
+
+ ret_val = rnp_poll_for_msg(dev, mbx_id);
+
+ /* if ack received read message, otherwise we timed out */
+ if (!ret_val)
+ return ops->read(hw, msg, size, mbx_id);
+ return ret_val;
+}
+
+/**
+ * rnp_write_posted_mbx - Write a message to the mailbox, wait for ack
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @mbx_id: id of mailbox to write
+ *
+ * returns SUCCESS if it successfully copied message into the buffer and
+ * received an ack to that message within delay * timeout period
+ **/
+static int32_t
+rnp_write_posted_mbx_pf(struct rte_eth_dev *dev, u32 *msg, u16 size,
+ enum MBX_ID mbx_id)
+{
+ struct rnp_mbx_api *ops = RNP_DEV_TO_MBX_OPS(dev);
+ struct rnp_hw *hw = RNP_DEV_TO_HW(dev);
+ struct rnp_mbx_info *mbx = &hw->mbx;
+ int32_t ret_val = -ETIME;
+
+ /* exit if either we can't write or there isn't a defined timeout */
+ if (!ops->write || !mbx->timeout)
+ goto out;
+
+ /* send msg and hold buffer lock */
+ if (ops->write)
+ ret_val = ops->write(hw, msg, size, mbx_id);
+
+ /* if msg sent wait until we receive an ack */
+ if (!ret_val)
+ ret_val = rnp_poll_for_ack(dev, mbx_id);
+out:
+ return ret_val;
+}
+
+/**
+ * rnp_check_for_msg_pf - checks to see if the VF has sent mail
+ * @hw: pointer to the HW structure
+ * @vf_number: the VF index
+ *
+ * returns SUCCESS if the VF has set the Status bit or else ERR_MBX
+ **/
+static int32_t rnp_check_for_msg_pf(struct rnp_hw *hw, enum MBX_ID mbx_id)
+{
+ int32_t ret_val = -ETIME;
+
+ if (mbx_id == MBX_CM3CPU) {
+ if (rnp_mbx_get_req(hw, CPU2PF_COUNTER) != hw->mbx.cpu_req) {
+ ret_val = 0;
+ /* hw->mbx.stats.reqs++; */
+ }
+ } else {
+ if (rnp_mbx_get_req(hw, VF2PF_COUNTER(mbx_id)) !=
+ hw->mbx.vf_req[mbx_id]) {
+ ret_val = 0;
+ /* hw->mbx.stats.reqs++; */
+ }
+ }
+
+ return ret_val;
+}
+
+/**
+ * rnp_check_for_ack_pf - checks to see if the VF has ACKed
+ * @hw: pointer to the HW structure
+ * @vf_number: the VF index
+ *
+ * returns SUCCESS if the VF has set the Status bit or else ERR_MBX
+ **/
+static int32_t rnp_check_for_ack_pf(struct rnp_hw *hw, enum MBX_ID mbx_id)
+{
+ int32_t ret_val = -ETIME;
+
+ if (mbx_id == MBX_CM3CPU) {
+ if (rnp_mbx_get_ack(hw, CPU2PF_COUNTER) != hw->mbx.cpu_ack) {
+ ret_val = 0;
+ /* hw->mbx.stats.acks++; */
+ }
+ } else {
+ if (rnp_mbx_get_ack(hw, VF2PF_COUNTER(mbx_id)) !=
hw->mbx.vf_ack[mbx_id]) {
+ ret_val = 0;
+ /* hw->mbx.stats.acks++; */
+ }
+ }
+
+ return ret_val;
+}
+
+/**
+ * rnp_obtain_mbx_lock_pf - obtain mailbox lock
+ * @hw: pointer to the HW structure
+ * @mbx_id: the VF index or CPU
+ *
+ * return SUCCESS if we obtained the mailbox lock
+ **/
+static int32_t rnp_obtain_mbx_lock_pf(struct rnp_hw *hw, enum MBX_ID mbx_id)
+{
+ int32_t ret_val = -ETIME;
+ int try_cnt = 5000; /* 500ms */
+ u32 CTRL_REG = (mbx_id == MBX_CM3CPU) ?
+ PF2CPU_MBOX_CTRL : PF2VF_MBOX_CTRL(mbx_id);
+
+ while (try_cnt-- > 0) {
+ /* Take ownership of the buffer */
+ mbx_wr32(hw, CTRL_REG, MBOX_CTRL_PF_HOLD_SHM);
+
+ /* reserve mailbox for cm3 use */
+ if (mbx_rd32(hw, CTRL_REG) & MBOX_CTRL_PF_HOLD_SHM)
+ return 0;
+ rte_delay_us_block(100);
+ }
+
+ RNP_PMD_LOG(WARNING, "%s: failed to get:%d lock\n",
+ __func__, mbx_id);
+ return ret_val;
+}
+
+/**
+ * rnp_write_mbx_pf - Places a message in the mailbox
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @mbx_id: the VF index
+ *
+ * returns SUCCESS if it successfully copied message into the buffer
+ **/
+static int32_t rnp_write_mbx_pf(struct rnp_hw *hw, u32 *msg,
+ u16 size, enum MBX_ID mbx_id)
+{
+ u32 DATA_REG = (mbx_id == MBX_CM3CPU) ?
+ CPU_PF_SHM_DATA : PF_VF_SHM_DATA(mbx_id);
+ u32 CTRL_REG = (mbx_id == MBX_CM3CPU) ?
+ PF2CPU_MBOX_CTRL : PF2VF_MBOX_CTRL(mbx_id);
+ int32_t ret_val = 0;
+ u32 stat __rte_unused;
+ u16 i;
+
+ if (size > RNP_VFMAILBOX_SIZE) {
+ RNP_PMD_LOG(ERR, "%s: size:%d should <%d\n", __func__,
+ size, RNP_VFMAILBOX_SIZE);
+ return -EINVAL;
+ }
+
+ /* lock the mailbox to prevent pf/vf/cpu race condition */
+ ret_val = rnp_obtain_mbx_lock_pf(hw, mbx_id);
+ if (ret_val) {
+ RNP_PMD_LOG(WARNING, "PF[%d] Can't Get Mbx-Lock Try Again\n",
+ hw->function);
+ return ret_val;
+ }
+
+ /* copy the caller specified message to the mailbox memory buffer */
+ for (i = 0; i < size; i++) {
+#ifdef MBX_WR_DEBUG
+ mbx_pwr32(hw, DATA_REG + i * 4, msg[i]);
+#else
+ mbx_wr32(hw, DATA_REG + i * 4, msg[i]);
+#endif
+ }
+
+ /* flush msg and acks as we are overwriting the message buffer */
+ if (mbx_id == MBX_CM3CPU)
+ hw->mbx.cpu_ack = rnp_mbx_get_ack(hw, CPU2PF_COUNTER);
+ else
+ hw->mbx.vf_ack[mbx_id] = rnp_mbx_get_ack(hw,
VF2PF_COUNTER(mbx_id));
+
+ rnp_mbx_inc_pf_req(hw, mbx_id);
+ rte_mb();
+
+ rte_delay_us(300);
+
+ /* Interrupt VF/CM3 to tell it a message
+ * has been sent and release buffer
+ */
+ mbx_wr32(hw, CTRL_REG, MBOX_CTRL_REQ);
+
+ return 0;
+}
+
+/**
+ * rnp_read_mbx_pf - Read a message from the mailbox
+ * @hw: pointer to the HW structure
+ * @msg: The message buffer
+ * @size: Length of buffer
+ * @vf_number: the VF index
+ *
+ * This function copies a message from the mailbox buffer to the caller's
+ * memory buffer. The presumption is that the caller knows that there was
+ * a message due to a VF/CPU request so no polling for message is needed.
+ **/
+static int32_t rnp_read_mbx_pf(struct rnp_hw *hw, u32 *msg,
+ u16 size, enum MBX_ID mbx_id)
+{
+ u32 BUF_REG = (mbx_id == MBX_CM3CPU) ?
+ CPU_PF_SHM_DATA : PF_VF_SHM_DATA(mbx_id);
+ u32 CTRL_REG = (mbx_id == MBX_CM3CPU) ?
+ PF2CPU_MBOX_CTRL : PF2VF_MBOX_CTRL(mbx_id);
+ int32_t ret_val = -EIO;
+ u32 stat __rte_unused, i;
+ if (size > RNP_VFMAILBOX_SIZE) {
+ RNP_PMD_LOG(ERR, "%s: size:%d should <%d\n", __func__,
+ size, RNP_VFMAILBOX_SIZE);
+ return -EINVAL;
+ }
+ /* lock the mailbox to prevent pf/vf race condition */
+ ret_val = rnp_obtain_mbx_lock_pf(hw, mbx_id);
+ if (ret_val)
+ goto out_no_read;
+
+ /* copy the message from the mailbox memory buffer */
+ for (i = 0; i < size; i++) {
+#ifdef MBX_RD_DEBUG
+ msg[i] = mbx_prd32(hw, BUF_REG + 4 * i);
+#else
+ msg[i] = mbx_rd32(hw, BUF_REG + 4 * i);
+#endif
+ }
+ mbx_wr32(hw, BUF_REG, 0);
+
+ /* update req. used by rnpvf_check_for_msg_vf */
+ if (mbx_id == MBX_CM3CPU)
+ hw->mbx.cpu_req = rnp_mbx_get_req(hw, CPU2PF_COUNTER);
+ else
+ hw->mbx.vf_req[mbx_id] = rnp_mbx_get_req(hw,
VF2PF_COUNTER(mbx_id));
+
+ /* this ack maybe too earier? */
+ /* Acknowledge receipt and release mailbox, then we're done */
+ rnp_mbx_inc_pf_ack(hw, mbx_id);
+
+ rte_mb();
+
+ /* free ownership of the buffer */
+ mbx_wr32(hw, CTRL_REG, 0);
+
+out_no_read:
+
+ return ret_val;
+}
+
+static void rnp_mbx_reset_pf(struct rnp_hw *hw)
+{
+ int v;
+
+ /* reset pf->cm3 status */
+ v = mbx_rd32(hw, CPU2PF_COUNTER);
+ hw->mbx.cpu_req = v & 0xffff;
+ hw->mbx.cpu_ack = (v >> 16) & 0xffff;
+ /* release pf->cm3 buffer lock */
+ mbx_wr32(hw, PF2CPU_MBOX_CTRL, 0);
+
+ rte_mb();
+ /* enable irq to fw */
+ mbx_wr32(hw, CPU_PF_MBOX_MASK, 0);
+}
+
+static int get_pfvfnum(struct rnp_hw *hw)
+{
+ uint32_t addr_mask;
+ uint32_t offset;
+ uint32_t val;
+#define RNP_PF_NUM_REG (0x75f000)
+#define RNP_PFVF_SHIFT (4)
+#define RNP_PF_SHIFT (6)
+#define RNP_PF_BIT_MASK BIT(6)
+ addr_mask = hw->iobar0_len - 1;
+ offset = RNP_PF_NUM_REG & addr_mask;
+ val = rnp_rd_reg(hw->iobar0 + offset);
+
+ return val >> RNP_PFVF_SHIFT;
+}
+
+struct rnp_mbx_api rnp_mbx_pf_ops = {
+ .read = rnp_read_mbx_pf,
+ .write = rnp_write_mbx_pf,
+ .read_posted = rnp_read_posted_mbx_pf,
+ .write_posted = rnp_write_posted_mbx_pf,
+ .check_for_msg = rnp_check_for_msg_pf,
+ .check_for_ack = rnp_check_for_ack_pf,
+};
+
+void *rnp_memzone_reserve(const char *name, unsigned int size)
+{
+#define NO_FLAGS 0
+ const struct rte_memzone *mz = NULL;
+
+ if (name) {
+ if (size) {
+ mz = rte_memzone_reserve(name, size,
+ rte_socket_id(), NO_FLAGS);
+ if (mz)
+ memset(mz->addr, 0, size);
+ } else {
+ mz = rte_memzone_lookup(name);
+ }
+ return mz ? mz->addr : NULL;
+ }
+ return NULL;
+}
+
+void rnp_init_mbx_ops_pf(struct rnp_hw *hw)
+{
+ struct rnp_eth_adapter *adapter = hw->back;
+ struct rnp_mbx_info *mbx = &hw->mbx;
+ struct mbx_req_cookie *cookie;
+ uint32_t vf_isolat_off;
+
+ mbx->size = RNP_VFMAILBOX_SIZE;
+ mbx->usec_delay = RNP_MBX_DELAY_US;
+ mbx->timeout = (RNP_MBX_TIMEOUT_SECONDS * 1000 * 1000) /
+ mbx->usec_delay;
+ if (hw->device_id == RNP_DEV_ID_N10G) {
+ vf_isolat_off = RNP_VF_ISOLATE_CTRL &
+ (hw->iobar0_len - 1);
+ rnp_wr_reg(hw->iobar0 + vf_isolat_off, 0);
+ }
+ mbx->sriov_st = 0;
+ hw->pf_vf_num = get_pfvfnum(hw);
+ mbx->vf_num = UINT16_MAX;
+ mbx->pf_num = (hw->pf_vf_num & RNP_PF_BIT_MASK) >> RNP_PF_SHIFT;
+ hw->function = mbx->pf_num;
+ /* Retrieving and storing the HW base address of device */
+ rnp_reg_offset_init(hw);
+ snprintf(hw->cookie_p_name, RTE_MEMZONE_NAMESIZE, "mbx_req_cookie%d_%d",
+ hw->function, adapter->eth_dev->data->port_id);
+ hw->cookie_pool = rnp_memzone_reserve(hw->cookie_p_name,
+ sizeof(struct mbx_req_cookie));
+
+ cookie = (struct mbx_req_cookie *)hw->cookie_pool;
+ if (cookie) {
+ cookie->timeout_ms = 1000;
+ cookie->magic = COOKIE_MAGIC;
+ cookie->priv_len = RNP_MAX_SHARE_MEM;
+ }
+
+ rnp_mbx_reset_pf(hw);
+}
diff --git a/drivers/net/rnp/rnp_mbx.h b/drivers/net/rnp/rnp_mbx.h
new file mode 100644
index 0000000000..ee020b5fbc
--- /dev/null
+++ b/drivers/net/rnp/rnp_mbx.h
@@ -0,0 +1,138 @@
+#ifndef __TSRN10_MBX_H__
+#define __TSRN10_MBX_H__
+
+#define VF_NUM_MASK_TEMP (0xff0)
+#define VF_NUM_OFF (4)
+#define RNP_VF_NUM (0x75f000)
+#define RNP_VF_NB_MASK (0x3f)
+#define RNP_PF_NB_MASK (0x40)
+#define RNP_VF_ISOLATE_CTRL (0x7982fc)
+#define RNP_IS_SRIOV BIT(7)
+#define RNP_SRIOV_ST_SHIFT (24)
+#define RNP_VF_DEFAULT_PORT (0)
+
+/* Mbx Ctrl state */
+#define RNP_VFMAILBOX_SIZE (14) /* 16 32 bit words - 64 bytes */
+#define TSRN10_VFMBX_SIZE (RNP_VFMAILBOX_SIZE)
+#define RNP_VT_MSGTYPE_ACK (0x80000000)
+
+#define RNP_VT_MSGTYPE_NACK (0x40000000)
+/* Messages below or'd with * this are the NACK */
+#define RNP_VT_MSGTYPE_CTS (0x20000000)
+/* Indicates that VF is still
+ *clear to send requests
+ */
+#define RNP_VT_MSGINFO_SHIFT (16)
+
+#define RNP_VT_MSGINFO_MASK (0xFF << RNP_VT_MSGINFO_SHIFT)
+/* The mailbox memory size is 64 bytes accessed by 32-bit registers */
+#define RNP_VLVF_VIEN (0x80000000) /* filter is valid */
+#define RNP_VLVF_ENTRIES (64)
+#define RNP_VLVF_VLANID_MASK (0x00000FFF)
+/* Every VF own 64 bytes mem for communitate accessed by 32-bit */
+
+#define RNP_VF_RESET (0x01) /* VF requests reset */
+#define RNP_VF_SET_MAC_ADDR (0x02) /* VF requests PF to set MAC addr */
+#define RNP_VF_SET_MULTICAST (0x03) /* VF requests PF to set MC addr */
+#define RNP_VF_SET_VLAN (0x04) /* VF requests PF to set VLAN */
+
+#define RNP_VF_SET_LPE (0x05) /* VF requests PF to set VMOLR.LPE */
+#define RNP_VF_SET_MACVLAN (0x06) /* VF requests PF for unicast filter */
+#define RNP_VF_GET_MACVLAN (0x07) /* VF requests mac */
+#define RNP_VF_API_NEGOTIATE (0x08) /* negotiate API version */
+#define RNP_VF_GET_QUEUES (0x09) /* get queue configuration */
+#define RNP_VF_GET_LINK (0x10) /* get link status */
+
+#define RNP_VF_SET_VLAN_STRIP (0x0a) /* VF Requests PF to set VLAN STRIP */
+#define RNP_VF_REG_RD (0x0b) /* VF Read Reg */
+#define RNP_VF_GET_MAX_MTU (0x0c) /* VF Get Max Mtu */
+#define RNP_VF_SET_MTU (0x0d) /* VF Set Mtu */
+#define RNP_VF_GET_FW (0x0e) /* VF Get Firmware Version */
+
+#define RNP_PF_VFNUM_MASK GENMASK(26, 21)
+
+#define RNP_PF_SET_FCS (0x10) /* PF set fcs status */
+#define RNP_PF_SET_PAUSE (0x11) /* PF set pause status */
+#define RNP_PF_SET_FT_PADDING (0x12) /* PF set ft padding status */
+#define RNP_PF_SET_VLAN_FILTER (0x13) /* PF set ntuple status */
+#define RNP_PF_SET_VLAN (0x14)
+#define RNP_PF_SET_LINK (0x15)
+#define RNP_PF_SET_SPEED_40G BIT(8)
+#define RNP_PF_SET_SPEED_10G BIT(7)
+#define RNP_PF_SET_SPEED_1G BIT(5)
+#define RNP_PF_SET_SPEED_100M BIT(3)
+
+#define RNP_PF_SET_MTU (0x16)
+#define RNP_PF_SET_RESET (0x17)
+#define RNP_PF_LINK_UP BIT(31)
+#define RNP_PF_SPEED_MASK GENMASK(15, 0)
+
+/* Define mailbox register bits */
+#define RNP_PF_REMOVE (0x0f)
+
+/* Mailbox API ID VF Request */
+/* length of permanent address message returned from PF */
+#define RNP_VF_PERMADDR_MSG_LEN (11)
+#define RNP_VF_TX_QUEUES (1) /* number of Tx queues supported */
+#define RNP_VF_RX_QUEUES (2) /* number of Rx queues supported */
+#define RNP_VF_TRANS_VLAN (3) /* Indication of port vlan */
+#define RNP_VF_DEF_QUEUE (4) /* Default queue offset */
+/* word in permanent address message with the current multicast type */
+#define RNP_VF_VLAN_WORD (5)
+#define RNP_VF_PHY_TYPE_WORD (6)
+#define RNP_VF_FW_VERSION_WORD (7)
+#define RNP_VF_LINK_STATUS_WORD (8)
+#define RNP_VF_AXI_MHZ (9)
+#define RNP_VF_RNP_VF_FEATURE (10)
+#define RNP_VF_RNP_VF_FILTER_EN BIT(0)
+
+#define RNP_LINK_SPEED_UNKNOWN 0
+#define RNP_LINK_SPEED_10_FULL BIT(2)
+#define RNP_LINK_SPEED_100_FULL BIT(3)
+#define RNP_LINK_SPEED_1GB_FULL BIT(4)
+#define RNP_LINK_SPEED_10GB_FULL BIT(5)
+#define RNP_LINK_SPEED_40GB_FULL BIT(6)
+#define RNP_LINK_SPEED_25GB_FULL BIT(7)
+#define RNP_LINK_SPEED_50GB_FULL BIT(8)
+#define RNP_LINK_SPEED_100GB_FULL BIT(9)
+#define RNP_LINK_SPEED_10_HALF BIT(10)
+#define RNP_LINK_SPEED_100_HALF BIT(11)
+#define RNP_LINK_SPEED_1GB_HALF BIT(12)
+
+/* Mailbox API ID PF Request */
+#define RNP_VF_MC_TYPE_WORD (3)
+#define RNP_VF_DMA_VERSION_WORD (4)
+/* Get Queue write-back reference value */
+#define RNP_PF_CONTROL_PRING_MSG (0x0100) /* PF control message */
+
+#define TSRN10_MBX_VECTOR_ID (0)
+#define TSRN10_PF2VF_MBX_VEC_CTR(n) (0xa5000 + 0x4 * (n))
+
+#define RNP_VF_INIT_TIMEOUT (200) /* Number of retries to clear
RSTI */
+#define RNP_VF_MBX_INIT_TIMEOUT (2000) /* number of retries on
mailbox */
+
+#define MBOX_CTRL_REQ (1 << 0) /* WO */
+#define MBOX_CTRL_VF_HOLD_SHM (1 << 2) /* VF:WR, PF:RO */
+#define VF_NUM_MASK 0x3f
+#define VFNUM(num) ((num) & VF_NUM_MASK)
+
+#define PF_VF_SHM(vf) \
+ ((0xa6000) + (64 * (vf))) /* for PF1 rtl will remap 6000 to 0xb000 */
+#define PF2VF_COUNTER(vf) (PF_VF_SHM(vf) + 0)
+#define VF2PF_COUNTER(vf) (PF_VF_SHM(vf) + 4)
+#define PF_VF_SHM_DATA(vf) (PF_VF_SHM(vf) + 8)
+#define VF2PF_MBOX_CTRL(vf) ((0xa7000) + (4 * (vf)))
+
+/* Error Codes */
+#define RNP_ERR_INVALID_MAC_ADDR (-1)
+#define RNP_ERR_MBX (-100)
+
+#define RNP_MBX_DELAY_US (100) /* Delay us for Retry */
+/* Max Retry Time */
+#define RNP_MBX_TIMEOUT_SECONDS (2) /* Max Retry Time 2s */
+#define RNP_ARRAY_OPCODE_OFFSET (0)
+#define RNP_ARRAY_CTRL_OFFSET (1)
+
+void rnp_init_mbx_ops_pf(struct rnp_hw *hw);
+void *rnp_memzone_reserve(const char *name, unsigned int size);
+#endif
diff --git a/drivers/net/rnp/rnp_mbx_fw.h b/drivers/net/rnp/rnp_mbx_fw.h
new file mode 100644
index 0000000000..439090b5a3
--- /dev/null
+++ b/drivers/net/rnp/rnp_mbx_fw.h
@@ -0,0 +1,22 @@
+#ifndef __RNP_MBX_FW_H__
+#define __RNP_MBX_FW_H__
+
+struct mbx_fw_cmd_reply;
+typedef void (*cookie_cb)(struct mbx_fw_cmd_reply *reply, void *priv);
+#define RNP_MAX_SHARE_MEM (8 * 8)
+struct mbx_req_cookie {
+ int magic;
+#define COOKIE_MAGIC 0xCE
+ cookie_cb cb;
+ int timeout_ms;
+ int errcode;
+
+ /* wait_queue_head_t wait; */
+ volatile int done;
+ int priv_len;
+ char priv[RNP_MAX_SHARE_MEM];
+};
+struct mbx_fw_cmd_reply {
+} __rte_cache_aligned;
+
+#endif /* __RNP_MBX_FW_H__*/
--
2.27.0
