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-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c77
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h38
2 files changed, 115 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 303933b8c44e..825a7f945e51 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -6847,6 +6847,8 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
bp->fw_cap |= BNXT_FW_CAP_PCIE_STATS_SUPPORTED;
if (flags & FUNC_QCAPS_RESP_FLAGS_EXT_STATS_SUPPORTED)
bp->fw_cap |= BNXT_FW_CAP_EXT_STATS_SUPPORTED;
+ if (flags & FUNC_QCAPS_RESP_FLAGS_ERROR_RECOVERY_CAPABLE)
+ bp->fw_cap |= BNXT_FW_CAP_ERROR_RECOVERY;
bp->tx_push_thresh = 0;
if (flags & FUNC_QCAPS_RESP_FLAGS_PUSH_MODE_SUPPORTED)
@@ -6948,6 +6950,74 @@ hwrm_cfa_adv_qcaps_exit:
return rc;
}
+static int bnxt_hwrm_error_recovery_qcfg(struct bnxt *bp)
+{
+ struct hwrm_error_recovery_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
+ struct bnxt_fw_health *fw_health = bp->fw_health;
+ struct hwrm_error_recovery_qcfg_input req = {0};
+ int rc, i;
+
+ if (!(bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY))
+ return 0;
+
+ bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_ERROR_RECOVERY_QCFG, -1, -1);
+ mutex_lock(&bp->hwrm_cmd_lock);
+ rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+ if (rc)
+ goto err_recovery_out;
+ if (!fw_health) {
+ fw_health = kzalloc(sizeof(*fw_health), GFP_KERNEL);
+ bp->fw_health = fw_health;
+ if (!fw_health) {
+ rc = -ENOMEM;
+ goto err_recovery_out;
+ }
+ }
+ fw_health->flags = le32_to_cpu(resp->flags);
+ if ((fw_health->flags & ERROR_RECOVERY_QCFG_RESP_FLAGS_CO_CPU) &&
+ !(bp->fw_cap & BNXT_FW_CAP_KONG_MB_CHNL)) {
+ rc = -EINVAL;
+ goto err_recovery_out;
+ }
+ fw_health->polling_dsecs = le32_to_cpu(resp->driver_polling_freq);
+ fw_health->master_func_wait_dsecs =
+ le32_to_cpu(resp->master_func_wait_period);
+ fw_health->normal_func_wait_dsecs =
+ le32_to_cpu(resp->normal_func_wait_period);
+ fw_health->post_reset_wait_dsecs =
+ le32_to_cpu(resp->master_func_wait_period_after_reset);
+ fw_health->post_reset_max_wait_dsecs =
+ le32_to_cpu(resp->max_bailout_time_after_reset);
+ fw_health->regs[BNXT_FW_HEALTH_REG] =
+ le32_to_cpu(resp->fw_health_status_reg);
+ fw_health->regs[BNXT_FW_HEARTBEAT_REG] =
+ le32_to_cpu(resp->fw_heartbeat_reg);
+ fw_health->regs[BNXT_FW_RESET_CNT_REG] =
+ le32_to_cpu(resp->fw_reset_cnt_reg);
+ fw_health->regs[BNXT_FW_RESET_INPROG_REG] =
+ le32_to_cpu(resp->reset_inprogress_reg);
+ fw_health->fw_reset_inprog_reg_mask =
+ le32_to_cpu(resp->reset_inprogress_reg_mask);
+ fw_health->fw_reset_seq_cnt = resp->reg_array_cnt;
+ if (fw_health->fw_reset_seq_cnt >= 16) {
+ rc = -EINVAL;
+ goto err_recovery_out;
+ }
+ for (i = 0; i < fw_health->fw_reset_seq_cnt; i++) {
+ fw_health->fw_reset_seq_regs[i] =
+ le32_to_cpu(resp->reset_reg[i]);
+ fw_health->fw_reset_seq_vals[i] =
+ le32_to_cpu(resp->reset_reg_val[i]);
+ fw_health->fw_reset_seq_delay_msec[i] =
+ resp->delay_after_reset[i];
+ }
+err_recovery_out:
+ mutex_unlock(&bp->hwrm_cmd_lock);
+ if (rc)
+ bp->fw_cap &= ~BNXT_FW_CAP_ERROR_RECOVERY;
+ return rc;
+}
+
static int bnxt_hwrm_func_reset(struct bnxt *bp)
{
struct hwrm_func_reset_input req = {0};
@@ -10058,6 +10128,11 @@ static int bnxt_fw_init_one_p2(struct bnxt *bp)
netdev_warn(bp->dev, "hwrm query adv flow mgnt failure rc: %d\n",
rc);
+ rc = bnxt_hwrm_error_recovery_qcfg(bp);
+ if (rc)
+ netdev_warn(bp->dev, "hwrm query error recovery failure rc: %d\n",
+ rc);
+
rc = bnxt_hwrm_func_drv_rgtr(bp);
if (rc)
return -ENODEV;
@@ -11238,6 +11313,8 @@ init_err_pci_clean:
bnxt_free_ctx_mem(bp);
kfree(bp->ctx);
bp->ctx = NULL;
+ kfree(bp->fw_health);
+ bp->fw_health = NULL;
bnxt_cleanup_pci(bp);
init_err_free:
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 3e0fcc21fc9c..ce535e52eaa9 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1333,6 +1333,41 @@ struct bnxt_ctx_mem_info {
struct bnxt_ctx_pg_info *tqm_mem[9];
};
+struct bnxt_fw_health {
+ u32 flags;
+ u32 polling_dsecs;
+ u32 master_func_wait_dsecs;
+ u32 normal_func_wait_dsecs;
+ u32 post_reset_wait_dsecs;
+ u32 post_reset_max_wait_dsecs;
+ u32 regs[4];
+ u32 mapped_regs[4];
+#define BNXT_FW_HEALTH_REG 0
+#define BNXT_FW_HEARTBEAT_REG 1
+#define BNXT_FW_RESET_CNT_REG 2
+#define BNXT_FW_RESET_INPROG_REG 3
+ u32 fw_reset_inprog_reg_mask;
+ u32 last_fw_heartbeat;
+ u32 last_fw_reset_cnt;
+ u8 enabled:1;
+ u8 master:1;
+ u8 tmr_multiplier;
+ u8 tmr_counter;
+ u8 fw_reset_seq_cnt;
+ u32 fw_reset_seq_regs[16];
+ u32 fw_reset_seq_vals[16];
+ u32 fw_reset_seq_delay_msec[16];
+};
+
+#define BNXT_FW_HEALTH_REG_TYPE_MASK 3
+#define BNXT_FW_HEALTH_REG_TYPE_CFG 0
+#define BNXT_FW_HEALTH_REG_TYPE_GRC 1
+#define BNXT_FW_HEALTH_REG_TYPE_BAR0 2
+#define BNXT_FW_HEALTH_REG_TYPE_BAR1 3
+
+#define BNXT_FW_HEALTH_REG_TYPE(reg) ((reg) & BNXT_FW_HEALTH_REG_TYPE_MASK)
+#define BNXT_FW_HEALTH_REG_OFF(reg) ((reg) & ~BNXT_FW_HEALTH_REG_TYPE_MASK)
+
struct bnxt {
void __iomem *bar0;
void __iomem *bar1;
@@ -1581,6 +1616,7 @@ struct bnxt {
#define BNXT_FW_CAP_KONG_MB_CHNL 0x00000080
#define BNXT_FW_CAP_OVS_64BIT_HANDLE 0x00000400
#define BNXT_FW_CAP_TRUSTED_VF 0x00000800
+ #define BNXT_FW_CAP_ERROR_RECOVERY 0x00002000
#define BNXT_FW_CAP_PKG_VER 0x00004000
#define BNXT_FW_CAP_CFA_ADV_FLOW 0x00008000
#define BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX 0x00010000
@@ -1666,6 +1702,8 @@ struct bnxt {
#define BNXT_UPDATE_PHY_SP_EVENT 16
#define BNXT_RING_COAL_NOW_SP_EVENT 17
+ struct bnxt_fw_health *fw_health;
+
struct bnxt_hw_resc hw_resc;
struct bnxt_pf_info pf;
struct bnxt_ctx_mem_info *ctx;