From: Omer Shpigelman <oshpigel...@habana.ai>

Add new structures and messages that the driver use to interact with the
firmware to receive information and events (errors) about GAUDI's NIC.

Signed-off-by: Omer Shpigelman <oshpigel...@habana.ai>
Reviewed-by: Oded Gabbay <oded.gab...@gmail.com>
Signed-off-by: Oded Gabbay <oded.gab...@gmail.com>
---
 .../misc/habanalabs/include/common/cpucp_if.h | 34 ++++++++++++++++---
 .../habanalabs/include/gaudi/gaudi_fw_if.h    | 24 +++++++++++++
 2 files changed, 54 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/habanalabs/include/common/cpucp_if.h 
b/drivers/misc/habanalabs/include/common/cpucp_if.h
index dcde440427b4..ace746bb206e 100644
--- a/drivers/misc/habanalabs/include/common/cpucp_if.h
+++ b/drivers/misc/habanalabs/include/common/cpucp_if.h
@@ -9,6 +9,7 @@
 #define CPUCP_IF_H
 
 #include <linux/types.h>
+#include <linux/if_ether.h>
 
 /*
  * EVENT QUEUE
@@ -199,6 +200,11 @@ enum pq_init_status {
  *       CpuCP to write to the structure, to prevent data corruption in case of
  *       mismatched driver/FW versions.
  *
+ * CPUCP_PACKET_NIC_INFO_GET -
+ *       Fetch information from the device regarding the NIC. the host's driver
+ *       passes the max size it allows the CpuCP to write to the structure, to
+ *       prevent data corruption in case of mismatched driver/FW versions.
+ *
  * CPUCP_PACKET_TEMPERATURE_SET -
  *       Set the value of the offset property of a specified thermal sensor.
  *       The packet's arguments specify the desired sensor and the field to
@@ -238,12 +244,12 @@ enum cpucp_packet_id {
        CPUCP_PACKET_MAX_POWER_GET,             /* sysfs */
        CPUCP_PACKET_MAX_POWER_SET,             /* sysfs */
        CPUCP_PACKET_EEPROM_DATA_GET,           /* sysfs */
-       CPUCP_RESERVED,
+       CPUCP_PACKET_NIC_INFO_GET,              /* internal */
        CPUCP_PACKET_TEMPERATURE_SET,           /* sysfs */
        CPUCP_PACKET_VOLTAGE_SET,               /* sysfs */
        CPUCP_PACKET_CURRENT_SET,               /* sysfs */
-       CPUCP_PACKET_PCIE_THROUGHPUT_GET,               /* internal */
-       CPUCP_PACKET_PCIE_REPLAY_CNT_GET,               /* internal */
+       CPUCP_PACKET_PCIE_THROUGHPUT_GET,       /* internal */
+       CPUCP_PACKET_PCIE_REPLAY_CNT_GET,       /* internal */
        CPUCP_PACKET_TOTAL_ENERGY_GET,          /* internal */
 };
 
@@ -288,7 +294,7 @@ struct cpucp_packet {
                /* For led set */
                __le32 led_index;
 
-               /* For get CpuCP info/EEPROM data */
+               /* For get CpuCP info/EEPROM data/NIC info */
                __le32 data_max_size;
        };
 
@@ -367,6 +373,12 @@ struct eq_generic_event {
 #define CARD_NAME_MAX_LEN              16
 #define VERSION_MAX_LEN                        128
 #define CPUCP_MAX_SENSORS              128
+#define CPUCP_MAX_NICS                 128
+#define CPUCP_LANES_PER_NIC            4
+#define CPUCP_NIC_QSFP_EEPROM_MAX_LEN  1024
+#define CPUCP_MAX_NIC_LANES            (CPUCP_MAX_NICS * CPUCP_LANES_PER_NIC)
+#define CPUCP_NIC_MASK_ARR_LEN         ((CPUCP_MAX_NICS + 63) / 64)
+#define CPUCP_NIC_POLARITY_ARR_LEN     ((CPUCP_MAX_NIC_LANES + 63) / 64)
 
 struct cpucp_sensor {
        __le32 type;
@@ -415,4 +427,18 @@ struct cpucp_info {
        char card_name[CARD_NAME_MAX_LEN];
 };
 
+struct cpucp_mac_addr {
+       __u8 mac_addr[ETH_ALEN];
+};
+
+struct cpucp_nic_info {
+       struct cpucp_mac_addr mac_addrs[CPUCP_MAX_NICS];
+       __le64 link_mask[CPUCP_NIC_MASK_ARR_LEN];
+       __le64 pol_tx_mask[CPUCP_NIC_POLARITY_ARR_LEN];
+       __le64 pol_rx_mask[CPUCP_NIC_POLARITY_ARR_LEN];
+       __le64 link_ext_mask[CPUCP_NIC_MASK_ARR_LEN];
+       __u8 qsfp_eeprom[CPUCP_NIC_QSFP_EEPROM_MAX_LEN];
+       __le64 auto_neg_mask[CPUCP_NIC_MASK_ARR_LEN];
+};
+
 #endif /* CPUCP_IF_H */
diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h 
b/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h
index 8aadc6357da1..d61a4c87b765 100644
--- a/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h
+++ b/drivers/misc/habanalabs/include/gaudi/gaudi_fw_if.h
@@ -8,6 +8,8 @@
 #ifndef GAUDI_FW_IF_H
 #define GAUDI_FW_IF_H
 
+#include <linux/types.h>
+
 #define GAUDI_EVENT_QUEUE_MSI_IDX      8
 #define GAUDI_NIC_PORT1_MSI_IDX                10
 #define GAUDI_NIC_PORT3_MSI_IDX                12
@@ -31,6 +33,28 @@ enum gaudi_pll_index {
        IF_PLL
 };
 
+enum gaudi_nic_axi_error {
+       RXB,
+       RXE,
+       TXS,
+       TXE,
+       QPC_RESP,
+       NON_AXI_ERR,
+};
+
+/*
+ * struct eq_nic_sei_event - describes an AXI error cause.
+ * @axi_error_cause: one of the events defined in enum gaudi_nic_axi_error.
+ * @id: can be either 0 or 1, to further describe unit with interrupt cause
+ *      (i.e. TXE0 or TXE1).
+ * @pad[6]: padding structure to 64bit.
+ */
+struct eq_nic_sei_event {
+       __u8 axi_error_cause;
+       __u8 id;
+       __u8 pad[6];
+};
+
 #define GAUDI_PLL_FREQ_LOW             200000000 /* 200 MHz */
 
 #endif /* GAUDI_FW_IF_H */
-- 
2.17.1

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