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Message-Id: <20210818133922.63637-6-ogabbay@kernel.org>
Date: Wed, 18 Aug 2021 16:39:12 +0300
From: Oded Gabbay <ogabbay@...nel.org>
To: linux-kernel@...r.kernel.org
Subject: [PATCH 06/16] habanalabs: update to latest firmware headers
Add several new packets between driver and firmware.
Add matching compatibility bits for backward compatibility.
Add support for 4K event types.
Add information about pcie errors.
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
.../misc/habanalabs/include/common/cpucp_if.h | 92 +++++++++++++++++--
.../habanalabs/include/common/hl_boot_if.h | 23 +++++
2 files changed, 109 insertions(+), 6 deletions(-)
diff --git a/drivers/misc/habanalabs/include/common/cpucp_if.h b/drivers/misc/habanalabs/include/common/cpucp_if.h
index 2d6f8ea35375..7afee76ae0b7 100644
--- a/drivers/misc/habanalabs/include/common/cpucp_if.h
+++ b/drivers/misc/habanalabs/include/common/cpucp_if.h
@@ -98,6 +98,18 @@ struct hl_eq_fw_alive {
__u8 pad[7];
};
+enum hl_pcie_addr_dec_cause {
+ PCIE_ADDR_DEC_HBW_ERR_RESP,
+ PCIE_ADDR_DEC_LBW_ERR_RESP,
+ PCIE_ADDR_DEC_TLP_BLOCKED_BY_RR
+};
+
+struct hl_eq_pcie_addr_dec_data {
+ /* enum hl_pcie_addr_dec_cause */
+ __u8 addr_dec_cause;
+ __u8 pad[7];
+};
+
struct hl_eq_entry {
struct hl_eq_header hdr;
union {
@@ -106,6 +118,7 @@ struct hl_eq_entry {
struct hl_eq_sm_sei_data sm_sei_data;
struct cpucp_pkt_sync_err pkt_sync_err;
struct hl_eq_fw_alive fw_alive;
+ struct hl_eq_pcie_addr_dec_data pcie_addr_dec_data;
__le64 data[7];
};
};
@@ -116,7 +129,7 @@ struct hl_eq_entry {
#define EQ_CTL_READY_MASK 0x80000000
#define EQ_CTL_EVENT_TYPE_SHIFT 16
-#define EQ_CTL_EVENT_TYPE_MASK 0x03FF0000
+#define EQ_CTL_EVENT_TYPE_MASK 0x0FFF0000
#define EQ_CTL_INDEX_SHIFT 0
#define EQ_CTL_INDEX_MASK 0x0000FFFF
@@ -300,7 +313,7 @@ enum pq_init_status {
* The packet's arguments specify the desired sensor and the field to
* set.
*
- * CPUCP_PACKET_PCIE_THROUGHPUT_GET
+ * CPUCP_PACKET_PCIE_THROUGHPUT_GET -
* Get throughput of PCIe.
* The packet's arguments specify the transaction direction (TX/RX).
* The window measurement is 10[msec], and the return value is in KB/sec.
@@ -309,19 +322,19 @@ enum pq_init_status {
* Replay count measures number of "replay" events, which is basicly
* number of retries done by PCIe.
*
- * CPUCP_PACKET_TOTAL_ENERGY_GET
+ * CPUCP_PACKET_TOTAL_ENERGY_GET -
* Total Energy is measurement of energy from the time FW Linux
* is loaded. It is calculated by multiplying the average power
* by time (passed from armcp start). The units are in MilliJouls.
*
- * CPUCP_PACKET_PLL_INFO_GET
+ * CPUCP_PACKET_PLL_INFO_GET -
* Fetch frequencies of PLL from the required PLL IP.
* The packet's arguments specify the device PLL type
* Pll type is the PLL from device pll_index enum.
* The result is composed of 4 outputs, each is 16-bit
* frequency in MHz.
*
- * CPUCP_PACKET_POWER_GET
+ * CPUCP_PACKET_POWER_GET -
* Fetch the present power consumption of the device (Current * Voltage).
*
* CPUCP_PACKET_NIC_PFC_SET -
@@ -345,6 +358,24 @@ enum pq_init_status {
* CPUCP_PACKET_MSI_INFO_SET -
* set the index number for each supported msi type going from
* host to device
+ *
+ * CPUCP_PACKET_NIC_XPCS91_REGS_GET -
+ * Fetch the un/correctable counters values from the NIC MAC.
+ *
+ * CPUCP_PACKET_NIC_STAT_REGS_GET -
+ * Fetch various NIC MAC counters from the NIC STAT.
+ *
+ * CPUCP_PACKET_NIC_STAT_REGS_CLR -
+ * Clear the various NIC MAC counters in the NIC STAT.
+ *
+ * CPUCP_PACKET_NIC_STAT_REGS_ALL_GET -
+ * Fetch all NIC MAC counters from the NIC STAT.
+ *
+ * CPUCP_PACKET_IS_IDLE_CHECK -
+ * Check if the device is IDLE in regard to the DMA/compute engines
+ * and QMANs. The f/w will return a bitmask where each bit represents
+ * a different engine or QMAN according to enum cpucp_idle_mask.
+ * The bit will be 1 if the engine is NOT idle.
*/
enum cpucp_packet_id {
@@ -385,6 +416,11 @@ enum cpucp_packet_id {
CPUCP_PACKET_NIC_LPBK_SET, /* internal */
CPUCP_PACKET_NIC_MAC_CFG, /* internal */
CPUCP_PACKET_MSI_INFO_SET, /* internal */
+ CPUCP_PACKET_NIC_XPCS91_REGS_GET, /* internal */
+ CPUCP_PACKET_NIC_STAT_REGS_GET, /* internal */
+ CPUCP_PACKET_NIC_STAT_REGS_CLR, /* internal */
+ CPUCP_PACKET_NIC_STAT_REGS_ALL_GET, /* internal */
+ CPUCP_PACKET_IS_IDLE_CHECK, /* internal */
};
#define CPUCP_PACKET_FENCE_VAL 0xFE8CE7A5
@@ -414,6 +450,11 @@ enum cpucp_packet_id {
#define CPUCP_PKT_VAL_LPBK_IN2_SHIFT 1
#define CPUCP_PKT_VAL_LPBK_IN2_MASK 0x000000000000001Eull
+#define CPUCP_PKT_VAL_MAC_CNT_IN1_SHIFT 0
+#define CPUCP_PKT_VAL_MAC_CNT_IN1_MASK 0x0000000000000001ull
+#define CPUCP_PKT_VAL_MAC_CNT_IN2_SHIFT 1
+#define CPUCP_PKT_VAL_MAC_CNT_IN2_MASK 0x00000000FFFFFFFEull
+
/* heartbeat status bits */
#define CPUCP_PKT_HB_STATUS_EQ_FAULT_SHIFT 0
#define CPUCP_PKT_HB_STATUS_EQ_FAULT_MASK 0x00000001
@@ -467,7 +508,8 @@ struct cpucp_packet {
__le32 status_mask;
};
- __le32 reserved;
+ /* For NIC requests */
+ __le32 port_index;
};
struct cpucp_unmask_irq_arr_packet {
@@ -476,6 +518,12 @@ struct cpucp_unmask_irq_arr_packet {
__le32 irqs[0];
};
+struct cpucp_nic_status_packet {
+ struct cpucp_packet cpucp_pkt;
+ __le32 length;
+ __le32 data[0];
+};
+
struct cpucp_array_data_packet {
struct cpucp_packet cpucp_pkt;
__le32 length;
@@ -721,4 +769,36 @@ struct cpucp_nic_info {
__u8 reserved[6];
};
+/*
+ * struct cpucp_nic_status - describes the status of a NIC port.
+ * @port: NIC port index.
+ * @bad_format_cnt: e.g. CRC.
+ * @responder_out_of_sequence_psn_cnt: e.g NAK.
+ * @high_ber_reinit_cnt: link reinit due to high BER.
+ * @correctable_err_cnt: e.g. bit-flip.
+ * @uncorrectable_err_cnt: e.g. MAC errors.
+ * @retraining_cnt: re-training counter.
+ * @up: is port up.
+ * @pcs_link: has PCS link.
+ * @phy_ready: is PHY ready.
+ * @auto_neg: is Autoneg enabled.
+ * @timeout_retransmission_cnt: timeout retransmission events
+ * @high_ber_cnt: high ber events
+ */
+struct cpucp_nic_status {
+ __le32 port;
+ __le32 bad_format_cnt;
+ __le32 responder_out_of_sequence_psn_cnt;
+ __le32 high_ber_reinit;
+ __le32 correctable_err_cnt;
+ __le32 uncorrectable_err_cnt;
+ __le32 retraining_cnt;
+ __u8 up;
+ __u8 pcs_link;
+ __u8 phy_ready;
+ __u8 auto_neg;
+ __le32 timeout_retransmission_cnt;
+ __le32 high_ber_cnt;
+};
+
#endif /* CPUCP_IF_H */
diff --git a/drivers/misc/habanalabs/include/common/hl_boot_if.h b/drivers/misc/habanalabs/include/common/hl_boot_if.h
index 1f296784fa2b..3099653234e4 100644
--- a/drivers/misc/habanalabs/include/common/hl_boot_if.h
+++ b/drivers/misc/habanalabs/include/common/hl_boot_if.h
@@ -210,6 +210,10 @@
* configured and is ready for use.
* Initialized in: ppboot
*
+ * CPU_BOOT_DEV_STS0_FW_NIC_MAC_EN NIC MAC channels init is done by FW and
+ * any access to them is done via the FW.
+ * Initialized in: linux
+ *
* CPU_BOOT_DEV_STS0_DYN_PLL_EN Dynamic PLL configuration is enabled.
* FW sends to host a bitmap of supported
* PLLs.
@@ -233,6 +237,21 @@
* prevent IRQs overriding each other.
* Initialized in: linux
*
+ * CPU_BOOT_DEV_STS0_FW_NIC_STAT_XPCS91_EN
+ * NIC STAT and XPCS91 access is restricted
+ * and is done via FW only.
+ * Initialized in: linux
+ *
+ * CPU_BOOT_DEV_STS0_FW_NIC_STAT_EXT_EN
+ * NIC STAT get all is supported.
+ * Initialized in: linux
+ *
+ * CPU_BOOT_DEV_STS0_IS_IDLE_CHECK_EN
+ * F/W checks if the device is idle by reading defined set
+ * of registers. It returns a bitmask of all the engines,
+ * where a bit is set if the engine is not idle.
+ * Initialized in: linux
+ *
* CPU_BOOT_DEV_STS0_ENABLED Device status register enabled.
* This is a main indication that the
* running FW populates the device status
@@ -260,10 +279,14 @@
#define CPU_BOOT_DEV_STS0_PKT_PI_ACK_EN (1 << 15)
#define CPU_BOOT_DEV_STS0_FW_LD_COM_EN (1 << 16)
#define CPU_BOOT_DEV_STS0_FW_IATU_CONF_EN (1 << 17)
+#define CPU_BOOT_DEV_STS0_FW_NIC_MAC_EN (1 << 18)
#define CPU_BOOT_DEV_STS0_DYN_PLL_EN (1 << 19)
#define CPU_BOOT_DEV_STS0_GIC_PRIVILEGED_EN (1 << 20)
#define CPU_BOOT_DEV_STS0_EQ_INDEX_EN (1 << 21)
#define CPU_BOOT_DEV_STS0_MULTI_IRQ_POLL_EN (1 << 22)
+#define CPU_BOOT_DEV_STS0_FW_NIC_STAT_XPCS91_EN (1 << 23)
+#define CPU_BOOT_DEV_STS0_FW_NIC_STAT_EXT_EN (1 << 24)
+#define CPU_BOOT_DEV_STS0_IS_IDLE_CHECK_EN (1 << 25)
#define CPU_BOOT_DEV_STS0_ENABLED (1 << 31)
#define CPU_BOOT_DEV_STS1_ENABLED (1 << 31)
--
2.17.1
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