diff options
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 357784336b8e..3d20fcf38fdf 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -2465,6 +2465,41 @@ static pci_ers_result_t hisi_sas_slot_reset_v3_hw(struct pci_dev *pdev) return PCI_ERS_RESULT_DISCONNECT; } +static void hisi_sas_reset_prepare_v3_hw(struct pci_dev *pdev) +{ + struct sas_ha_struct *sha = pci_get_drvdata(pdev); + struct hisi_hba *hisi_hba = sha->lldd_ha; + struct device *dev = hisi_hba->dev; + int rc; + + dev_info(dev, "FLR prepare\n"); + set_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags); + hisi_sas_controller_reset_prepare(hisi_hba); + + rc = disable_host_v3_hw(hisi_hba); + if (rc) + dev_err(dev, "FLR: disable host failed rc=%d\n", rc); +} + +static void hisi_sas_reset_done_v3_hw(struct pci_dev *pdev) +{ + struct sas_ha_struct *sha = pci_get_drvdata(pdev); + struct hisi_hba *hisi_hba = sha->lldd_ha; + struct device *dev = hisi_hba->dev; + int rc; + + hisi_sas_init_mem(hisi_hba); + + rc = hw_init_v3_hw(hisi_hba); + if (rc) { + dev_err(dev, "FLR: hw init failed rc=%d\n", rc); + return; + } + + hisi_sas_controller_reset_done(hisi_hba); + dev_info(dev, "FLR done\n"); +} + enum { /* instances of the controller */ hip08, @@ -2556,6 +2591,8 @@ static const struct pci_error_handlers hisi_sas_err_handler = { .error_detected = hisi_sas_error_detected_v3_hw, .mmio_enabled = hisi_sas_mmio_enabled_v3_hw, .slot_reset = hisi_sas_slot_reset_v3_hw, + .reset_prepare = hisi_sas_reset_prepare_v3_hw, + .reset_done = hisi_sas_reset_done_v3_hw, }; static struct pci_driver sas_v3_pci_driver = { |