diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 69b14918de59..ca8f132e03ae 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -3575,6 +3575,17 @@ static int mpi3mr_prepare_sg_scmd(struct mpi3mr_ioc *mrioc, scmd->sc_data_direction); priv->meta_sg_valid = 1; /* To unmap meta sg DMA */ } else { + /* + * Some firmware versions byte-swap the REPORT ZONES command + * reply from ATA-ZAC devices by directly accessing in the host + * buffer. This does not respect the default command DMA + * direction and causes IOMMU page faults on some architectures + * with an IOMMU enforcing write mappings (e.g. AMD hosts). + * Avoid such issue by making the REPORT ZONES buffer mapping + * bi-directional. + */ + if (scmd->cmnd[0] == ZBC_IN && scmd->cmnd[1] == ZI_REPORT_ZONES) + scmd->sc_data_direction = DMA_BIDIRECTIONAL; sg_scmd = scsi_sglist(scmd); sges_left = scsi_dma_map(scmd); } diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index b2bcf4a27ddc..b785a7e88b49 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -2671,6 +2671,22 @@ _base_build_zero_len_sge_ieee(struct MPT3SAS_ADAPTER *ioc, void *paddr) _base_add_sg_single_ieee(paddr, sgl_flags, 0, 0, -1); } +static inline int _base_scsi_dma_map(struct scsi_cmnd *cmd) +{ + /* + * Some firmware versions byte-swap the REPORT ZONES command reply from + * ATA-ZAC devices by directly accessing in the host buffer. This does + * not respect the default command DMA direction and causes IOMMU page + * faults on some architectures with an IOMMU enforcing write mappings + * (e.g. AMD hosts). Avoid such issue by making the report zones buffer + * mapping bi-directional. + */ + if (cmd->cmnd[0] == ZBC_IN && cmd->cmnd[1] == ZI_REPORT_ZONES) + cmd->sc_data_direction = DMA_BIDIRECTIONAL; + + return scsi_dma_map(cmd); +} + /** * _base_build_sg_scmd - main sg creation routine * pcie_device is unused here! @@ -2717,7 +2733,7 @@ _base_build_sg_scmd(struct MPT3SAS_ADAPTER *ioc, sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; sg_scmd = scsi_sglist(scmd); - sges_left = scsi_dma_map(scmd); + sges_left = _base_scsi_dma_map(scmd); if (sges_left < 0) return -ENOMEM; @@ -2861,7 +2877,7 @@ _base_build_sg_scmd_ieee(struct MPT3SAS_ADAPTER *ioc, } sg_scmd = scsi_sglist(scmd); - sges_left = scsi_dma_map(scmd); + sges_left = _base_scsi_dma_map(scmd); if (sges_left < 0) return -ENOMEM; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index adeaa8ab9951..8bb3a3611851 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -4205,6 +4205,8 @@ static int sd_resume(struct device *dev) { struct scsi_disk *sdkp = dev_get_drvdata(dev); + sd_printk(KERN_NOTICE, sdkp, "Starting disk\n"); + if (opal_unlock_from_suspend(sdkp->opal_dev)) { sd_printk(KERN_NOTICE, sdkp, "OPAL unlock failed\n"); return -EIO; @@ -4221,13 +4223,12 @@ static int sd_resume_common(struct device *dev, bool runtime) if (!sdkp) /* E.g.: runtime resume at the start of sd_probe() */ return 0; - sd_printk(KERN_NOTICE, sdkp, "Starting disk\n"); - if (!sd_do_start_stop(sdkp->device, runtime)) { sdkp->suspended = false; return 0; } + sd_printk(KERN_NOTICE, sdkp, "Starting disk\n"); ret = sd_start_stop_device(sdkp, 1); if (!ret) { sd_resume(dev); diff --git a/drivers/ufs/core/ufshcd-priv.h b/drivers/ufs/core/ufshcd-priv.h index ce36154ce963..7aea8fbaeee8 100644 --- a/drivers/ufs/core/ufshcd-priv.h +++ b/drivers/ufs/core/ufshcd-priv.h @@ -316,6 +316,11 @@ static inline int ufshcd_rpm_get_sync(struct ufs_hba *hba) return pm_runtime_get_sync(&hba->ufs_device_wlun->sdev_gendev); } +static inline int ufshcd_rpm_get_if_active(struct ufs_hba *hba) +{ + return pm_runtime_get_if_active(&hba->ufs_device_wlun->sdev_gendev); +} + static inline int ufshcd_rpm_put_sync(struct ufs_hba *hba) { return pm_runtime_put_sync(&hba->ufs_device_wlun->sdev_gendev); diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index dc757ba47522..5e3c67e96956 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -2416,7 +2416,17 @@ static inline int ufshcd_hba_capabilities(struct ufs_hba *hba) return err; } + /* + * The UFSHCI 3.0 specification does not define MCQ_SUPPORT and + * LSDB_SUPPORT, but [31:29] as reserved bits with reset value 0s, which + * means we can simply read values regardless of version. + */ hba->mcq_sup = FIELD_GET(MASK_MCQ_SUPPORT, hba->capabilities); + /* + * 0h: legacy single doorbell support is available + * 1h: indicate that legacy single doorbell support has been removed + */ + hba->lsdb_sup = !FIELD_GET(MASK_LSDB_SUPPORT, hba->capabilities); if (!hba->mcq_sup) return 0; @@ -6553,7 +6563,8 @@ again: if (ufshcd_err_handling_should_stop(hba)) goto skip_err_handling; - if (hba->dev_quirks & UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS) { + if ((hba->dev_quirks & UFS_DEVICE_QUIRK_RECOVERY_FROM_DL_NAC_ERRORS) && + !hba->force_reset) { bool ret; spin_unlock_irqrestore(hba->host->host_lock, flags); @@ -8211,7 +8222,10 @@ static void ufshcd_update_rtc(struct ufs_hba *hba) */ val = ts64.tv_sec - hba->dev_info.rtc_time_baseline; - ufshcd_rpm_get_sync(hba); + /* Skip update RTC if RPM state is not RPM_ACTIVE */ + if (ufshcd_rpm_get_if_active(hba) <= 0) + return; + err = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_WRITE_ATTR, QUERY_ATTR_IDN_SECONDS_PASSED, 0, 0, &val); ufshcd_rpm_put_sync(hba); @@ -10265,9 +10279,6 @@ int ufshcd_system_restore(struct device *dev) */ ufshcd_readl(hba, REG_UTP_TASK_REQ_LIST_BASE_H); - /* Resuming from hibernate, assume that link was OFF */ - ufshcd_set_link_off(hba); - return 0; } @@ -10496,6 +10507,12 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) } if (!is_mcq_supported(hba)) { + if (!hba->lsdb_sup) { + dev_err(hba->dev, "%s: failed to initialize (legacy doorbell mode not supported)\n", + __func__); + err = -EINVAL; + goto out_disable; + } err = scsi_add_host(host, hba->dev); if (err) { dev_err(hba->dev, "scsi_add_host failed\n"); diff --git a/drivers/ufs/host/ufs-exynos.c b/drivers/ufs/host/ufs-exynos.c index 16ad3528d80b..9ec318ef52bf 100644 --- a/drivers/ufs/host/ufs-exynos.c +++ b/drivers/ufs/host/ufs-exynos.c @@ -1293,6 +1293,9 @@ static void exynos_ufs_fmp_resume(struct ufs_hba *hba) { struct arm_smccc_res res; + if (!(hba->caps & UFSHCD_CAP_CRYPTO)) + return; + arm_smccc_smc(SMC_CMD_FMP_SECURITY, 0, SMU_EMBEDDED, CFG_DESCTYPE_3, 0, 0, 0, 0, &res); if (res.a0) diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index a43b14276bc3..cac0cdb9a916 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -1109,6 +1109,7 @@ struct ufs_hba { bool ext_iid_sup; bool scsi_host_added; bool mcq_sup; + bool lsdb_sup; bool mcq_enabled; struct ufshcd_res_info res[RES_MAX]; void __iomem *mcq_base; diff --git a/include/ufs/ufshci.h b/include/ufs/ufshci.h index 38fe97971a65..9917c7743d80 100644 --- a/include/ufs/ufshci.h +++ b/include/ufs/ufshci.h @@ -77,6 +77,7 @@ enum { MASK_OUT_OF_ORDER_DATA_DELIVERY_SUPPORT = 0x02000000, MASK_UIC_DME_TEST_MODE_SUPPORT = 0x04000000, MASK_CRYPTO_SUPPORT = 0x10000000, + MASK_LSDB_SUPPORT = 0x20000000, MASK_MCQ_SUPPORT = 0x40000000, };