diff options
Diffstat (limited to 'drivers')
30 files changed, 700 insertions, 234 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 229429ba5027..495fa096dd65 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -1089,6 +1089,7 @@ static struct ata_port_operations ich_pata_ops = { }; static struct attribute *piix_sidpr_shost_attrs[] = { + &dev_attr_link_power_management_supported.attr, &dev_attr_link_power_management_policy.attr, NULL }; diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index b335fb7e5cb4..c79abdfcd7a9 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -111,6 +111,7 @@ static DEVICE_ATTR(em_buffer, S_IWUSR | S_IRUGO, static DEVICE_ATTR(em_message_supported, S_IRUGO, ahci_show_em_supported, NULL); static struct attribute *ahci_shost_attrs[] = { + &dev_attr_link_power_management_supported.attr, &dev_attr_link_power_management_policy.attr, &dev_attr_em_message_type.attr, &dev_attr_em_message.attr, diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 97d9f0488cc1..ff53f5f029b4 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4602,7 +4602,7 @@ static unsigned int ata_dev_init_params(struct ata_device *dev, return AC_ERR_INVALID; /* set up init dev params taskfile */ - ata_dev_dbg(dev, "init dev params \n"); + ata_dev_dbg(dev, "init dev params\n"); ata_tf_init(dev, &tf); tf.command = ATA_CMD_INIT_DEV_PARAMS; diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c index 4734465d3b1e..b2817a2995d6 100644 --- a/drivers/ata/libata-sata.c +++ b/drivers/ata/libata-sata.c @@ -900,14 +900,52 @@ static const char *ata_lpm_policy_names[] = { [ATA_LPM_MIN_POWER] = "min_power", }; +/* + * Check if a port supports link power management. + * Must be called with the port locked. + */ +static bool ata_scsi_lpm_supported(struct ata_port *ap) +{ + struct ata_link *link; + struct ata_device *dev; + + if (ap->flags & ATA_FLAG_NO_LPM) + return false; + + ata_for_each_link(link, ap, EDGE) { + ata_for_each_dev(dev, &ap->link, ENABLED) { + if (dev->quirks & ATA_QUIRK_NOLPM) + return false; + } + } + + return true; +} + +static ssize_t ata_scsi_lpm_supported_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct ata_port *ap = ata_shost_to_port(shost); + unsigned long flags; + bool supported; + + spin_lock_irqsave(ap->lock, flags); + supported = ata_scsi_lpm_supported(ap); + spin_unlock_irqrestore(ap->lock, flags); + + return sysfs_emit(buf, "%d\n", supported); +} +DEVICE_ATTR(link_power_management_supported, S_IRUGO, + ata_scsi_lpm_supported_show, NULL); +EXPORT_SYMBOL_GPL(dev_attr_link_power_management_supported); + static ssize_t ata_scsi_lpm_store(struct device *device, struct device_attribute *attr, const char *buf, size_t count) { struct Scsi_Host *shost = class_to_shost(device); struct ata_port *ap = ata_shost_to_port(shost); - struct ata_link *link; - struct ata_device *dev; enum ata_lpm_policy policy; unsigned long flags; @@ -924,20 +962,11 @@ static ssize_t ata_scsi_lpm_store(struct device *device, spin_lock_irqsave(ap->lock, flags); - if (ap->flags & ATA_FLAG_NO_LPM) { + if (!ata_scsi_lpm_supported(ap)) { count = -EOPNOTSUPP; goto out_unlock; } - ata_for_each_link(link, ap, EDGE) { - ata_for_each_dev(dev, &ap->link, ENABLED) { - if (dev->quirks & ATA_QUIRK_NOLPM) { - count = -EOPNOTSUPP; - goto out_unlock; - } - } - } - ap->target_lpm_policy = policy; ata_port_schedule_eh(ap); out_unlock: diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 27b15176db56..57f674f51b0c 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -859,18 +859,14 @@ static void ata_to_sense_error(u8 drv_stat, u8 drv_err, u8 *sk, u8 *asc, {0xFF, 0xFF, 0xFF, 0xFF}, // END mark }; static const unsigned char stat_table[][4] = { - /* Must be first because BUSY means no other bits valid */ - {0x80, ABORTED_COMMAND, 0x47, 0x00}, - // Busy, fake parity for now - {0x40, ILLEGAL_REQUEST, 0x21, 0x04}, - // Device ready, unaligned write command - {0x20, HARDWARE_ERROR, 0x44, 0x00}, - // Device fault, internal target failure - {0x08, ABORTED_COMMAND, 0x47, 0x00}, - // Timed out in xfer, fake parity for now - {0x04, RECOVERED_ERROR, 0x11, 0x00}, - // Recovered ECC error Medium error, recovered - {0xFF, 0xFF, 0xFF, 0xFF}, // END mark + /* Busy: must be first because BUSY means no other bits valid */ + { ATA_BUSY, ABORTED_COMMAND, 0x00, 0x00 }, + /* Device fault: INTERNAL TARGET FAILURE */ + { ATA_DF, HARDWARE_ERROR, 0x44, 0x00 }, + /* Corrected data error */ + { ATA_CORR, RECOVERED_ERROR, 0x00, 0x00 }, + + { 0xFF, 0xFF, 0xFF, 0xFF }, /* END mark */ }; /* @@ -942,6 +938,8 @@ static void ata_gen_passthru_sense(struct ata_queued_cmd *qc) if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) { ata_dev_dbg(dev, "missing result TF: can't generate ATA PT sense data\n"); + if (qc->err_mask) + ata_scsi_set_sense(dev, cmd, ABORTED_COMMAND, 0, 0); return; } @@ -996,8 +994,8 @@ static void ata_gen_ata_sense(struct ata_queued_cmd *qc) if (!(qc->flags & ATA_QCFLAG_RTF_FILLED)) { ata_dev_dbg(dev, - "missing result TF: can't generate sense data\n"); - return; + "Missing result TF: reporting aborted command\n"); + goto aborted; } /* Use ata_to_sense_error() to map status register bits @@ -1008,13 +1006,15 @@ static void ata_gen_ata_sense(struct ata_queued_cmd *qc) ata_to_sense_error(tf->status, tf->error, &sense_key, &asc, &ascq); ata_scsi_set_sense(dev, cmd, sense_key, asc, ascq); - } else { - /* Could not decode error */ - ata_dev_warn(dev, "could not decode error status 0x%x err_mask 0x%x\n", - tf->status, qc->err_mask); - ata_scsi_set_sense(dev, cmd, ABORTED_COMMAND, 0, 0); return; } + + /* Could not decode error */ + ata_dev_warn(dev, + "Could not decode error 0x%x, status 0x%x (err_mask=0x%x)\n", + tf->error, tf->status, qc->err_mask); +aborted: + ata_scsi_set_sense(dev, cmd, ABORTED_COMMAND, 0, 0); } void ata_scsi_sdev_config(struct scsi_device *sdev) diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c index f7a933eefe05..9eefdc5df5df 100644 --- a/drivers/ata/pata_macio.c +++ b/drivers/ata/pata_macio.c @@ -758,7 +758,7 @@ static void pata_macio_irq_clear(struct ata_port *ap) static void pata_macio_reset_hw(struct pata_macio_priv *priv, int resume) { - dev_dbg(priv->dev, "Enabling & resetting... \n"); + dev_dbg(priv->dev, "Enabling & resetting...\n"); if (priv->mediabay) return; diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index d792ce6d97bf..ae914dcb0c83 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -295,7 +295,7 @@ static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev) } /* Set the PIO timing registers using value table for 133MHz */ - ata_port_dbg(ap, "Set pio regs... \n"); + ata_port_dbg(ap, "Set PIO regs...\n"); ctcr0 = ioread32(dev_mmio(ap, adev, PDC_CTCR0)); ctcr0 &= 0xffff0000; @@ -308,7 +308,7 @@ static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev) ctcr1 |= (pdc2027x_pio_timing_tbl[pio].value2 << 24); iowrite32(ctcr1, dev_mmio(ap, adev, PDC_CTCR1)); - ata_port_dbg(ap, "Set to pio mode[%u] \n", pio); + ata_port_dbg(ap, "Set to PIO mode[%u]\n", pio); } /** @@ -341,7 +341,7 @@ static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev) iowrite32(ctcr1 & ~(1 << 7), dev_mmio(ap, adev, PDC_CTCR1)); } - ata_port_dbg(ap, "Set udma regs... \n"); + ata_port_dbg(ap, "Set UDMA regs...\n"); ctcr1 = ioread32(dev_mmio(ap, adev, PDC_CTCR1)); ctcr1 &= 0xff000000; @@ -350,14 +350,14 @@ static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev) (pdc2027x_udma_timing_tbl[udma_mode].value2 << 16); iowrite32(ctcr1, dev_mmio(ap, adev, PDC_CTCR1)); - ata_port_dbg(ap, "Set to udma mode[%u] \n", udma_mode); + ata_port_dbg(ap, "Set to UDMA mode[%u]\n", udma_mode); } else if ((dma_mode >= XFER_MW_DMA_0) && (dma_mode <= XFER_MW_DMA_2)) { /* Set the MDMA timing registers with value table for 133MHz */ unsigned int mdma_mode = dma_mode & 0x07; - ata_port_dbg(ap, "Set mdma regs... \n"); + ata_port_dbg(ap, "Set MDMA regs...\n"); ctcr0 = ioread32(dev_mmio(ap, adev, PDC_CTCR0)); ctcr0 &= 0x0000ffff; @@ -366,7 +366,7 @@ static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev) iowrite32(ctcr0, dev_mmio(ap, adev, PDC_CTCR0)); - ata_port_dbg(ap, "Set to mdma mode[%u] \n", mdma_mode); + ata_port_dbg(ap, "Set to MDMA mode[%u]\n", mdma_mode); } else { ata_port_err(ap, "Unknown dma mode [%u] ignored\n", dma_mode); } diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c index 8dd5a9b0d060..e32f8862a9f9 100644 --- a/drivers/media/platform/qcom/venus/pm_helpers.c +++ b/drivers/media/platform/qcom/venus/pm_helpers.c @@ -48,7 +48,8 @@ static int core_clks_enable(struct venus_core *core) int ret; opp = dev_pm_opp_find_freq_ceil(dev, &freq); - dev_pm_opp_put(opp); + if (!IS_ERR(opp)) + dev_pm_opp_put(opp); for (i = 0; i < res->clks_num; i++) { if (IS_V6(core)) { @@ -660,7 +661,8 @@ static int decide_core(struct venus_inst *inst) /*TODO : divide this inst->load by work_route */ opp = dev_pm_opp_find_freq_floor(dev, &max_freq); - dev_pm_opp_put(opp); + if (!IS_ERR(opp)) + dev_pm_opp_put(opp); min_loaded_core(inst, &min_coreid, &min_load, false); min_loaded_core(inst, &min_lp_coreid, &min_lp_load, true); @@ -1121,7 +1123,8 @@ static int load_scale_v4(struct venus_inst *inst) freq = max(freq_core1, freq_core2); opp = dev_pm_opp_find_freq_floor(dev, &max_freq); - dev_pm_opp_put(opp); + if (!IS_ERR(opp)) + dev_pm_opp_put(opp); if (freq > max_freq) { dev_dbg(dev, VDBGL "requested clock rate: %lu scaling clock rate : %lu\n", @@ -1131,7 +1134,8 @@ static int load_scale_v4(struct venus_inst *inst) } opp = dev_pm_opp_find_freq_ceil(dev, &freq); - dev_pm_opp_put(opp); + if (!IS_ERR(opp)) + dev_pm_opp_put(opp); set_freq: diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 28cf18955a08..726c8531b7d3 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -481,8 +481,7 @@ void aac_define_int_mode(struct aac_dev *dev) pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) { min_msix = 2; i = pci_alloc_irq_vectors(dev->pdev, - min_msix, msi_count, - PCI_IRQ_MSIX | PCI_IRQ_AFFINITY); + min_msix, msi_count, PCI_IRQ_MSIX); if (i > 0) { dev->msi_enabled = 1; msi_count = i; diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index adb9e7a94785..bcecb4911da9 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -252,7 +252,7 @@ static int sas_get_ata_command_set(struct domain_device *dev) return ata_dev_classify(&tf); } -int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy) +static int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy) { if (phy->attached_tproto & SAS_PROTOCOL_STP) dev->tproto = phy->attached_tproto; @@ -927,13 +927,7 @@ EXPORT_SYMBOL_GPL(sas_ata_schedule_reset); void sas_ata_wait_eh(struct domain_device *dev) { - struct ata_port *ap; - - if (!dev_is_sata(dev)) - return; - - ap = dev->sata_dev.ap; - ata_port_wait_eh(ap); + ata_port_wait_eh(dev->sata_dev.ap); } void sas_ata_device_link_abort(struct domain_device *device, bool force_reset) diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c index 951bdc554a10..b07062db50b2 100644 --- a/drivers/scsi/libsas/sas_discover.c +++ b/drivers/scsi/libsas/sas_discover.c @@ -406,7 +406,7 @@ void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev) } } -void sas_unregister_domain_devices(struct asd_sas_port *port, int gone) +void sas_unregister_domain_devices(struct asd_sas_port *port, bool gone) { struct domain_device *dev, *n; diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index 03d6ec1eb970..6706f2be8d27 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -44,7 +44,7 @@ void sas_hash_addr(u8 *hashed, const u8 *sas_addr); int sas_discover_root_expander(struct domain_device *dev); int sas_ex_revalidate_domain(struct domain_device *dev); -void sas_unregister_domain_devices(struct asd_sas_port *port, int gone); +void sas_unregister_domain_devices(struct asd_sas_port *port, bool gone); void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *port); void sas_discover_event(struct asd_sas_port *port, enum discover_event ev); @@ -70,7 +70,7 @@ void sas_enable_revalidation(struct sas_ha_struct *ha); void sas_queue_deferred_work(struct sas_ha_struct *ha); void __sas_drain_work(struct sas_ha_struct *ha); -void sas_deform_port(struct asd_sas_phy *phy, int gone); +void sas_deform_port(struct asd_sas_phy *phy, bool gone); void sas_porte_bytes_dmaed(struct work_struct *work); void sas_porte_broadcast_rcvd(struct work_struct *work); @@ -222,4 +222,78 @@ static inline void sas_put_device(struct domain_device *dev) kref_put(&dev->kref, sas_free_device); } +#ifdef CONFIG_SCSI_SAS_ATA + +int sas_ata_init(struct domain_device *dev); +void sas_ata_task_abort(struct sas_task *task); +int sas_discover_sata(struct domain_device *dev); +int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy, + struct domain_device *child, int phy_id); +void sas_ata_strategy_handler(struct Scsi_Host *shost); +void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q); +void sas_ata_end_eh(struct ata_port *ap); +void sas_ata_wait_eh(struct domain_device *dev); +void sas_probe_sata(struct asd_sas_port *port); +void sas_suspend_sata(struct asd_sas_port *port); +void sas_resume_sata(struct asd_sas_port *port); + +#else + +static inline int sas_ata_init(struct domain_device *dev) +{ + return 0; +} + +static inline void sas_ata_task_abort(struct sas_task *task) +{ +} + +static inline void sas_ata_strategy_handler(struct Scsi_Host *shost) +{ +} + +static inline void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q) +{ +} + +static inline void sas_ata_end_eh(struct ata_port *ap) +{ +} + +static inline void sas_ata_wait_eh(struct domain_device *dev) +{ +} + +static inline void sas_probe_sata(struct asd_sas_port *port) +{ +} + +static inline void sas_suspend_sata(struct asd_sas_port *port) +{ +} + +static inline void sas_resume_sata(struct asd_sas_port *port) +{ +} + +static inline void sas_ata_disabled_notice(void) +{ + pr_notice_once("ATA device seen but CONFIG_SCSI_SAS_ATA=N\n"); +} + +static inline int sas_discover_sata(struct domain_device *dev) +{ + sas_ata_disabled_notice(); + return -ENXIO; +} + +static inline int sas_ata_add_dev(struct domain_device *parent, struct ex_phy *phy, + struct domain_device *child, int phy_id) +{ + sas_ata_disabled_notice(); + return -ENODEV; +} + +#endif + #endif /* _SAS_INTERNAL_H_ */ diff --git a/drivers/scsi/libsas/sas_phy.c b/drivers/scsi/libsas/sas_phy.c index 57494ac97076..635835c28ecd 100644 --- a/drivers/scsi/libsas/sas_phy.c +++ b/drivers/scsi/libsas/sas_phy.c @@ -20,7 +20,7 @@ static void sas_phye_loss_of_signal(struct work_struct *work) struct asd_sas_phy *phy = ev->phy; phy->error = 0; - sas_deform_port(phy, 1); + sas_deform_port(phy, true); } static void sas_phye_oob_done(struct work_struct *work) @@ -40,7 +40,7 @@ static void sas_phye_oob_error(struct work_struct *work) struct sas_internal *i = to_sas_internal(sas_ha->shost->transportt); - sas_deform_port(phy, 1); + sas_deform_port(phy, true); if (!port && phy->enabled && i->dft->lldd_control_phy) { phy->error++; @@ -85,7 +85,7 @@ static void sas_phye_resume_timeout(struct work_struct *work) phy->error = 0; phy->suspended = 0; - sas_deform_port(phy, 1); + sas_deform_port(phy, true); } diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c index e3f2ed913419..de7556070048 100644 --- a/drivers/scsi/libsas/sas_port.c +++ b/drivers/scsi/libsas/sas_port.c @@ -113,7 +113,7 @@ static void sas_form_port(struct asd_sas_phy *phy) if (port) { if (!phy_is_wideport_member(port, phy)) - sas_deform_port(phy, 0); + sas_deform_port(phy, false); else if (phy->suspended) { phy->suspended = 0; sas_resume_port(phy); @@ -206,7 +206,7 @@ static void sas_form_port(struct asd_sas_phy *phy) * This is called when the physical link to the other phy has been * lost (on this phy), in Event thread context. We cannot delay here. */ -void sas_deform_port(struct asd_sas_phy *phy, int gone) +void sas_deform_port(struct asd_sas_phy *phy, bool gone) { struct sas_ha_struct *sas_ha = phy->ha; struct asd_sas_port *port = phy->port; @@ -301,7 +301,7 @@ void sas_porte_link_reset_err(struct work_struct *work) struct asd_sas_event *ev = to_asd_sas_event(work); struct asd_sas_phy *phy = ev->phy; - sas_deform_port(phy, 1); + sas_deform_port(phy, true); } void sas_porte_timer_event(struct work_struct *work) @@ -309,7 +309,7 @@ void sas_porte_timer_event(struct work_struct *work) struct asd_sas_event *ev = to_asd_sas_event(work); struct asd_sas_phy *phy = ev->phy; - sas_deform_port(phy, 1); + sas_deform_port(phy, true); } void sas_porte_hard_reset(struct work_struct *work) @@ -317,7 +317,7 @@ void sas_porte_hard_reset(struct work_struct *work) struct asd_sas_event *ev = to_asd_sas_event(work); struct asd_sas_phy *phy = ev->phy; - sas_deform_port(phy, 1); + sas_deform_port(phy, true); } /* ---------- SAS port registration ---------- */ @@ -358,8 +358,7 @@ void sas_unregister_ports(struct sas_ha_struct *sas_ha) for (i = 0; i < sas_ha->num_phys; i++) if (sas_ha->sas_phy[i]->port) - sas_deform_port(sas_ha->sas_phy[i], 0); - + sas_deform_port(sas_ha->sas_phy[i], false); } const work_func_t sas_port_event_fns[PORT_NUM_EVENTS] = { diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index d7d8244dfedc..967af259118e 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -10809,8 +10809,7 @@ _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) break; case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST: _scsih_pcie_topology_change_event(ioc, fw_event); - ioc->current_event = NULL; - return; + break; } out: fw_event_work_put(fw_event); diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 160c2f74c7e7..3c6e089e80c3 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -1900,7 +1900,7 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel, return 0; } - +EXPORT_SYMBOL(scsi_scan_host_selected); static void scsi_sysfs_add_devices(struct Scsi_Host *shost) { struct scsi_device *sdev; diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index c75a806496d6..743b4c792ceb 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2143,6 +2143,8 @@ static int iscsi_iter_destroy_conn_fn(struct device *dev, void *data) return 0; iscsi_remove_conn(iscsi_dev_to_conn(dev)); + iscsi_put_conn(iscsi_dev_to_conn(dev)); + return 0; } diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 351b028ef893..d69c7c444a31 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -40,6 +40,8 @@ #include <scsi/scsi_transport_sas.h> #include "scsi_sas_internal.h" +#include "scsi_priv.h" + struct sas_host_attrs { struct list_head rphy_list; struct mutex lock; @@ -1683,32 +1685,66 @@ int scsi_is_sas_rphy(const struct device *dev) } EXPORT_SYMBOL(scsi_is_sas_rphy); - -/* - * SCSI scan helper - */ - -static int sas_user_scan(struct Scsi_Host *shost, uint channel, - uint id, u64 lun) +static void scan_channel_zero(struct Scsi_Host *shost, uint id, u64 lun) { struct sas_host_attrs *sas_host = to_sas_host_attrs(shost); struct sas_rphy *rphy; - mutex_lock(&sas_host->lock); list_for_each_entry(rphy, &sas_host->rphy_list, list) { if (rphy->identify.device_type != SAS_END_DEVICE || rphy->scsi_target_id == -1) continue; - if ((channel == SCAN_WILD_CARD || channel == 0) && - (id == SCAN_WILD_CARD || id == rphy->scsi_target_id)) { + if (id == SCAN_WILD_CARD || id == rphy->scsi_target_id) { scsi_scan_target(&rphy->dev, 0, rphy->scsi_target_id, lun, SCSI_SCAN_MANUAL); } } - mutex_unlock(&sas_host->lock); +} - return 0; +/* + * SCSI scan helper + */ + +static int sas_user_scan(struct Scsi_Host *shost, uint channel, + uint id, u64 lun) +{ + struct sas_host_attrs *sas_host = to_sas_host_attrs(shost); + int res = 0; + int i; + + switch (channel) { + case 0: + mutex_lock(&sas_host->lock); + scan_channel_zero(shost, id, lun); + mutex_unlock(&sas_host->lock); + break; + + case SCAN_WILD_CARD: + mutex_lock(&sas_host->lock); + scan_channel_zero(shost, id, lun); + mutex_unlock(&sas_host->lock); + + for (i = 1; i <= shost->max_channel; i++) { + res = scsi_scan_host_selected(shost, i, id, lun, + SCSI_SCAN_MANUAL); + if (res) + goto exit_scan; + } + break; + + default: + if (channel < shost->max_channel) { + res = scsi_scan_host_selected(shost, channel, id, lun, + SCSI_SCAN_MANUAL); + } else { + res = -EINVAL; + } + break; + } + +exit_scan: + return res; } diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 4a68b2ab2804..5b8668accf8e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -4173,7 +4173,9 @@ static void sd_shutdown(struct device *dev) if ((system_state != SYSTEM_RESTART && sdkp->device->manage_system_start_stop) || (system_state == SYSTEM_POWER_OFF && - sdkp->device->manage_shutdown)) { + sdkp->device->manage_shutdown) || + (system_state == SYSTEM_RUNNING && + sdkp->device->manage_runtime_start_stop)) { sd_printk(KERN_NOTICE, sdkp, "Stopping disk\n"); sd_start_stop_device(sdkp, 0); } diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c index 43f47e3aa448..ec7bc6e30228 100644 --- a/drivers/target/target_core_fabric_lib.c +++ b/drivers/target/target_core_fabric_lib.c @@ -257,11 +257,41 @@ static int iscsi_get_pr_transport_id_len( return len; } -static char *iscsi_parse_pr_out_transport_id( +static void sas_parse_pr_out_transport_id(char *buf, char *i_str) +{ + char hex[17] = {}; + + bin2hex(hex, buf + 4, 8); + snprintf(i_str, TRANSPORT_IQN_LEN, "naa.%s", hex); +} + +static void srp_parse_pr_out_transport_id(char *buf, char *i_str) +{ + char hex[33] = {}; + + bin2hex(hex, buf + 8, 16); + snprintf(i_str, TRANSPORT_IQN_LEN, "0x%s", hex); +} + +static void fcp_parse_pr_out_transport_id(char *buf, char *i_str) +{ + snprintf(i_str, TRANSPORT_IQN_LEN, "%8phC", buf + 8); +} + +static void sbp_parse_pr_out_transport_id(char *buf, char *i_str) +{ + char hex[17] = {}; + + bin2hex(hex, buf + 8, 8); + snprintf(i_str, TRANSPORT_IQN_LEN, "%s", hex); +} + +static bool iscsi_parse_pr_out_transport_id( struct se_portal_group *se_tpg, char *buf, u32 *out_tid_len, - char **port_nexus_ptr) + char **port_nexus_ptr, + char *i_str) { char *p; int i; @@ -282,7 +312,7 @@ static char *iscsi_parse_pr_out_transport_id( if ((format_code != 0x00) && (format_code != 0x40)) { pr_err("Illegal format code: 0x%02x for iSCSI" " Initiator Transport ID\n", format_code); - return NULL; + return false; } /* * If the caller wants the TransportID Length, we set that value for the @@ -306,7 +336,7 @@ static char *iscsi_parse_pr_out_transport_id( pr_err("Unable to locate \",i,0x\" separator" " for Initiator port identifier: %s\n", &buf[4]); - return NULL; + return false; } *p = '\0'; /* Terminate iSCSI Name */ p += 5; /* Skip over ",i,0x" separator */ @@ -339,7 +369,8 @@ static char *iscsi_parse_pr_out_transport_id( } else *port_nexus_ptr = NULL; - return &buf[4]; + strscpy(i_str, &buf[4], TRANSPORT_IQN_LEN); + return true; } int target_get_pr_transport_id_len(struct se_node_acl *nacl, @@ -387,33 +418,35 @@ int target_get_pr_transport_id(struct se_node_acl *nacl, } } -const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg, - char *buf, u32 *out_tid_len, char **port_nexus_ptr) +bool target_parse_pr_out_transport_id(struct se_portal_group *tpg, + char *buf, u32 *out_tid_len, char **port_nexus_ptr, char *i_str) { - u32 offset; - switch (tpg->proto_id) { case SCSI_PROTOCOL_SAS: /* * Assume the FORMAT CODE 00b from spc4r17, 7.5.4.7 TransportID * for initiator ports using SCSI over SAS Serial SCSI Protocol. */ - offset = 4; + sas_parse_pr_out_transport_id(buf, i_str); break; - case SCSI_PROTOCOL_SBP: case SCSI_PROTOCOL_SRP: + srp_parse_pr_out_transport_id(buf, i_str); + break; case SCSI_PROTOCOL_FCP: - offset = 8; + fcp_parse_pr_out_transport_id(buf, i_str); + break; + case SCSI_PROTOCOL_SBP: + sbp_parse_pr_out_transport_id(buf, i_str); break; case SCSI_PROTOCOL_ISCSI: return iscsi_parse_pr_out_transport_id(tpg, buf, out_tid_len, - port_nexus_ptr); + port_nexus_ptr, i_str); default: pr_err("Unknown proto_id: 0x%02x\n", tpg->proto_id); - return NULL; + return false; } *port_nexus_ptr = NULL; *out_tid_len = 24; - return buf + offset; + return true; } diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 73564efd11d2..66c292b7d74b 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -64,6 +64,7 @@ static struct se_device *iblock_alloc_device(struct se_hba *hba, const char *nam pr_err("Unable to allocate struct iblock_dev\n"); return NULL; } + ib_dev->ibd_exclusive = true; ib_dev->ibd_plug = kcalloc(nr_cpu_ids, sizeof(*ib_dev->ibd_plug), GFP_KERNEL); @@ -95,6 +96,7 @@ static int iblock_configure_device(struct se_device *dev) struct block_device *bd; struct blk_integrity *bi; blk_mode_t mode = BLK_OPEN_READ; + void *holder = ib_dev; unsigned int max_write_zeroes_sectors; int ret; @@ -109,15 +111,18 @@ static int iblock_configure_device(struct se_device *dev) goto out; } - pr_debug( "IBLOCK: Claiming struct block_device: %s\n", - ib_dev->ibd_udev_path); + pr_debug("IBLOCK: Claiming struct block_device: %s: %d\n", + ib_dev->ibd_udev_path, ib_dev->ibd_exclusive); if (!ib_dev->ibd_readonly) mode |= BLK_OPEN_WRITE; else dev->dev_flags |= DF_READ_ONLY; - bdev_file = bdev_file_open_by_path(ib_dev->ibd_udev_path, mode, ib_dev, + if (!ib_dev->ibd_exclusive) + holder = NULL; + + bdev_file = bdev_file_open_by_path(ib_dev->ibd_udev_path, mode, holder, NULL); if (IS_ERR(bdev_file)) { ret = PTR_ERR(bdev_file); @@ -560,13 +565,14 @@ fail: } enum { - Opt_udev_path, Opt_readonly, Opt_force, Opt_err + Opt_udev_path, Opt_readonly, Opt_force, Opt_exclusive, Opt_err, }; static match_table_t tokens = { {Opt_udev_path, "udev_path=%s"}, {Opt_readonly, "readonly=%d"}, {Opt_force, "force=%d"}, + {Opt_exclusive, "exclusive=%d"}, {Opt_err, NULL} }; @@ -576,7 +582,7 @@ static ssize_t iblock_set_configfs_dev_params(struct se_device *dev, struct iblock_dev *ib_dev = IBLOCK_DEV(dev); char *orig, *ptr, *arg_p, *opts; substring_t args[MAX_OPT_ARGS]; - int ret = 0, token; + int ret = 0, token, tmp_exclusive; unsigned long tmp_readonly; opts = kstrdup(page, GFP_KERNEL); @@ -623,6 +629,22 @@ static ssize_t iblock_set_configfs_dev_params(struct se_device *dev, ib_dev->ibd_readonly = tmp_readonly; pr_debug("IBLOCK: readonly: %d\n", ib_dev->ibd_readonly); break; + case Opt_exclusive: + arg_p = match_strdup(&args[0]); + if (!arg_p) { + ret = -ENOMEM; + break; + } + ret = kstrtoint(arg_p, 0, &tmp_exclusive); + kfree(arg_p); + if (ret < 0) { + pr_err("kstrtoul() failed for exclusive=\n"); + goto out; + } + ib_dev->ibd_exclusive = tmp_exclusive; + pr_debug("IBLOCK: exclusive: %d\n", + ib_dev->ibd_exclusive); + break; case Opt_force: break; default: @@ -647,6 +669,7 @@ static ssize_t iblock_show_configfs_dev_params(struct se_device *dev, char *b) bl += sprintf(b + bl, " UDEV PATH: %s", ib_dev->ibd_udev_path); bl += sprintf(b + bl, " readonly: %d\n", ib_dev->ibd_readonly); + bl += sprintf(b + bl, " exclusive: %d\n", ib_dev->ibd_exclusive); bl += sprintf(b + bl, " "); if (bd) { diff --git a/drivers/target/target_core_iblock.h b/drivers/target/target_core_iblock.h index 91f6f4280666..e2f28a69a11c 100644 --- a/drivers/target/target_core_iblock.h +++ b/drivers/target/target_core_iblock.h @@ -34,6 +34,7 @@ struct iblock_dev { struct block_device *ibd_bd; struct file *ibd_bdev_file; bool ibd_readonly; + bool ibd_exclusive; struct iblock_dev_plug *ibd_plug; } ____cacheline_aligned; diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index 408be26d2e9b..20aab1f50565 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -103,8 +103,8 @@ int target_get_pr_transport_id_len(struct se_node_acl *nacl, int target_get_pr_transport_id(struct se_node_acl *nacl, struct t10_pr_registration *pr_reg, int *format_code, unsigned char *buf); -const char *target_parse_pr_out_transport_id(struct se_portal_group *tpg, - char *buf, u32 *out_tid_len, char **port_nexus_ptr); +bool target_parse_pr_out_transport_id(struct se_portal_group *tpg, + char *buf, u32 *out_tid_len, char **port_nexus_ptr, char *i_str); /* target_core_hba.c */ struct se_hba *core_alloc_hba(const char *, u32, u32); diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 70905805cb17..83e172c92238 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -1478,11 +1478,12 @@ core_scsi3_decode_spec_i_port( LIST_HEAD(tid_dest_list); struct pr_transport_id_holder *tidh_new, *tidh, *tidh_tmp; unsigned char *buf, *ptr, proto_ident; - const unsigned char *i_str = NULL; + unsigned char i_str[TRANSPORT_IQN_LEN]; char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN]; sense_reason_t ret; u32 tpdl, tid_len = 0; u32 dest_rtpi = 0; + bool tid_found; /* * Allocate a struct pr_transport_id_holder and setup the @@ -1571,9 +1572,9 @@ core_scsi3_decode_spec_i_port( dest_rtpi = tmp_lun->lun_tpg->tpg_rtpi; iport_ptr = NULL; - i_str = target_parse_pr_out_transport_id(tmp_tpg, - ptr, &tid_len, &iport_ptr); - if (!i_str) + tid_found = target_parse_pr_out_transport_id(tmp_tpg, + ptr, &tid_len, &iport_ptr, i_str); + if (!tid_found) continue; /* * Determine if this SCSI device server requires that @@ -3153,13 +3154,14 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key, struct t10_pr_registration *pr_reg, *pr_res_holder, *dest_pr_reg; struct t10_reservation *pr_tmpl = &dev->t10_pr; unsigned char *buf; - const unsigned char *initiator_str; + unsigned char initiator_str[TRANSPORT_IQN_LEN]; char *iport_ptr = NULL, i_buf[PR_REG_ISID_ID_LEN] = { }; u32 tid_len, tmp_tid_len; int new_reg = 0, type, scope, matching_iname; sense_reason_t ret; unsigned short rtpi; unsigned char proto_ident; + bool tid_found; if (!se_sess || !se_lun) { pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); @@ -3278,9 +3280,9 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key, ret = TCM_INVALID_PARAMETER_LIST; goto out; } - initiator_str = target_parse_pr_out_transport_id(dest_se_tpg, - &buf[24], &tmp_tid_len, &iport_ptr); - if (!initiator_str) { + tid_found = target_parse_pr_out_transport_id(dest_se_tpg, + &buf[24], &tmp_tid_len, &iport_ptr, initiator_str); + if (!tid_found) { pr_err("SPC-3 PR REGISTER_AND_MOVE: Unable to locate" " initiator_str from Transport ID\n"); ret = TCM_INVALID_PARAMETER_LIST; diff --git a/drivers/ufs/core/ufs-sysfs.c b/drivers/ufs/core/ufs-sysfs.c index 00948378a719..4bd7d491e3c5 100644 --- a/drivers/ufs/core/ufs-sysfs.c +++ b/drivers/ufs/core/ufs-sysfs.c @@ -5,6 +5,7 @@ #include <linux/string.h> #include <linux/bitfield.h> #include <linux/unaligned.h> +#include <linux/string_choices.h> #include <ufs/ufs.h> #include <ufs/unipro.h> @@ -1516,7 +1517,7 @@ static ssize_t _name##_show(struct device *dev, \ ret = -EINVAL; \ goto out; \ } \ - ret = sysfs_emit(buf, "%s\n", flag ? "true" : "false"); \ + ret = sysfs_emit(buf, "%s\n", str_true_false(flag)); \ out: \ up(&hba->host_sem); \ return ret; \ diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index fd8015ed36a4..96ad57c3144b 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -364,6 +364,34 @@ void ufshcd_disable_irq(struct ufs_hba *hba) } EXPORT_SYMBOL_GPL(ufshcd_disable_irq); +/** + * ufshcd_enable_intr - enable interrupts + * @hba: per adapter instance + * @intrs: interrupt bits + */ +static void ufshcd_enable_intr(struct ufs_hba *hba, u32 intrs) +{ + u32 old_val = ufshcd_readl(hba, REG_INTERRUPT_ENABLE); + u32 new_val = old_val | intrs; + + if (new_val != old_val) + ufshcd_writel(hba, new_val, REG_INTERRUPT_ENABLE); +} + +/** + * ufshcd_disable_intr - disable interrupts + * @hba: per adapter instance + * @intrs: interrupt bits + */ +static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs) +{ + u32 old_val = ufshcd_readl(hba, REG_INTERRUPT_ENABLE); + u32 new_val = old_val & ~intrs; + + if (new_val != old_val) + ufshcd_writel(hba, new_val, REG_INTERRUPT_ENABLE); +} + static void ufshcd_configure_wb(struct ufs_hba *hba) { if (!ufshcd_is_wb_allowed(hba)) @@ -2596,6 +2624,7 @@ __ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd) */ int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd) { + unsigned long flags; int ret; if (hba->quirks & UFSHCD_QUIRK_BROKEN_UIC_CMD) @@ -2605,6 +2634,10 @@ int ufshcd_send_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd) mutex_lock(&hba->uic_cmd_mutex); ufshcd_add_delay_before_dme_cmd(hba); + spin_lock_irqsave(hba->host->host_lock, flags); + ufshcd_enable_intr(hba, UIC_COMMAND_COMPL); + spin_unlock_irqrestore(hba->host->host_lock, flags); + ret = __ufshcd_send_uic_cmd(hba, uic_cmd); if (!ret) ret = ufshcd_wait_for_uic_cmd(hba, uic_cmd); @@ -2682,32 +2715,6 @@ static int ufshcd_map_sg(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) } /** - * ufshcd_enable_intr - enable interrupts - * @hba: per adapter instance - * @intrs: interrupt bits - */ -static void ufshcd_enable_intr(struct ufs_hba *hba, u32 intrs) -{ - u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE); - - set |= intrs; - ufshcd_writel(hba, set, REG_INTERRUPT_ENABLE); -} - -/** - * ufshcd_disable_intr - disable interrupts - * @hba: per adapter instance - * @intrs: interrupt bits - */ -static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs) -{ - u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE); - - set &= ~intrs; - ufshcd_writel(hba, set, REG_INTERRUPT_ENABLE); -} - -/** * ufshcd_prepare_req_desc_hdr - Fill UTP Transfer request descriptor header according to request * descriptor according to request * @hba: per adapter instance @@ -4318,7 +4325,6 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd) unsigned long flags; u8 status; int ret; - bool reenable_intr = false; mutex_lock(&hba->uic_cmd_mutex); ufshcd_add_delay_before_dme_cmd(hba); @@ -4329,15 +4335,7 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd) goto out_unlock; } hba->uic_async_done = &uic_async_done; - if (ufshcd_readl(hba, REG_INTERRUPT_ENABLE) & UIC_COMMAND_COMPL) { - ufshcd_disable_intr(hba, UIC_COMMAND_COMPL); - /* - * Make sure UIC command completion interrupt is disabled before - * issuing UIC command. - */ - ufshcd_readl(hba, REG_INTERRUPT_ENABLE); - reenable_intr = true; - } + ufshcd_disable_intr(hba, UIC_COMMAND_COMPL); spin_unlock_irqrestore(hba->host->host_lock, flags); ret = __ufshcd_send_uic_cmd(hba, cmd); if (ret) { @@ -4381,9 +4379,7 @@ out: spin_lock_irqsave(hba->host->host_lock, flags); hba->active_uic_cmd = NULL; hba->uic_async_done = NULL; - if (reenable_intr) - ufshcd_enable_intr(hba, UIC_COMMAND_COMPL); - if (ret) { + if (ret && !hba->pm_op_in_progress) { ufshcd_set_link_broken(hba); ufshcd_schedule_eh_work(hba); } @@ -4391,6 +4387,14 @@ out_unlock: spin_unlock_irqrestore(hba->host->host_lock, flags); mutex_unlock(&hba->uic_cmd_mutex); + /* + * If the h8 exit fails during the runtime resume process, it becomes + * stuck and cannot be recovered through the error handler. To fix + * this, use link recovery instead of the error handler. + */ + if (ret && hba->pm_op_in_progress) + ret = ufshcd_link_recovery(hba); + return ret; } @@ -4405,28 +4409,17 @@ int ufshcd_send_bsg_uic_cmd(struct ufs_hba *hba, struct uic_command *uic_cmd) { int ret; + if (uic_cmd->argument1 != UIC_ARG_MIB(PA_PWRMODE) || + uic_cmd->command != UIC_CMD_DME_SET) + return ufshcd_send_uic_cmd(hba, uic_cmd); + if (hba->quirks & UFSHCD_QUIRK_BROKEN_UIC_CMD) return 0; ufshcd_hold(hba); - - if (uic_cmd->argument1 == UIC_ARG_MIB(PA_PWRMODE) && - uic_cmd->command == UIC_CMD_DME_SET) { - ret = ufshcd_uic_pwr_ctrl(hba, uic_cmd); - goto out; - } - - mutex_lock(&hba->uic_cmd_mutex); - ufshcd_add_delay_before_dme_cmd(hba); - - ret = __ufshcd_send_uic_cmd(hba, uic_cmd); - if (!ret) - ret = ufshcd_wait_for_uic_cmd(hba, uic_cmd); - - mutex_unlock(&hba->uic_cmd_mutex); - -out: + ret = ufshcd_uic_pwr_ctrl(hba, uic_cmd); ufshcd_release(hba); + return ret; } diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 182f58d0c9db..86ae73b89d4d 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -50,6 +50,7 @@ static const struct ufs_dev_quirk ufs_mtk_dev_fixups[] = { static const struct of_device_id ufs_mtk_of_match[] = { { .compatible = "mediatek,mt8183-ufshci" }, + { .compatible = "mediatek,mt8195-ufshci" }, {}, }; MODULE_DEVICE_TABLE(of, ufs_mtk_of_match); @@ -96,49 +97,59 @@ static bool ufs_mtk_is_boost_crypt_enabled(struct ufs_hba *hba) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); - return !!(host->caps & UFS_MTK_CAP_BOOST_CRYPT_ENGINE); + return host->caps & UFS_MTK_CAP_BOOST_CRYPT_ENGINE; } static bool ufs_mtk_is_va09_supported(struct ufs_hba *hba) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); - return !!(host->caps & UFS_MTK_CAP_VA09_PWR_CTRL); + return host->caps & UFS_MTK_CAP_VA09_PWR_CTRL; } static bool ufs_mtk_is_broken_vcc(struct ufs_hba *hba) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); - return !!(host->caps & UFS_MTK_CAP_BROKEN_VCC); + return host->caps & UFS_MTK_CAP_BROKEN_VCC; } static bool ufs_mtk_is_pmc_via_fastauto(struct ufs_hba *hba) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); - return !!(host->caps & UFS_MTK_CAP_PMC_VIA_FASTAUTO); + return host->caps & UFS_MTK_CAP_PMC_VIA_FASTAUTO; } static bool ufs_mtk_is_tx_skew_fix(struct ufs_hba *hba) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); - return (host->caps & UFS_MTK_CAP_TX_SKEW_FIX); + return host->caps & UFS_MTK_CAP_TX_SKEW_FIX; } static bool ufs_mtk_is_rtff_mtcmos(struct ufs_hba *hba) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); - return (host->caps & UFS_MTK_CAP_RTFF_MTCMOS); + return host->caps & UFS_MTK_CAP_RTFF_MTCMOS; } static bool ufs_mtk_is_allow_vccqx_lpm(struct ufs_hba *hba) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); - return (host->caps & UFS_MTK_CAP_ALLOW_VCCQX_LPM); + return host->caps & UFS_MTK_CAP_ALLOW_VCCQX_LPM; +} + +static bool ufs_mtk_is_clk_scale_ready(struct ufs_hba *hba) +{ + struct ufs_mtk_host *host = ufshcd_get_variant(hba); + struct ufs_mtk_clk *mclk = &host->mclk; + + return mclk->ufs_sel_clki && + mclk->ufs_sel_max_clki && + mclk->ufs_sel_min_clki; } static void ufs_mtk_cfg_unipro_cg(struct ufs_hba *hba, bool enable) @@ -267,6 +278,13 @@ static int ufs_mtk_hce_enable_notify(struct ufs_hba *hba, ufshcd_writel(hba, ufshcd_readl(hba, REG_UFS_XOUFS_CTRL) | 0x80, REG_UFS_XOUFS_CTRL); + + /* DDR_EN setting */ + if (host->ip_ver >= IP_VER_MT6989) { + ufshcd_rmwl(hba, UFS_MASK(0x7FFF, 8), + 0x453000, REG_UFS_MMIO_OPT_CTRL_0); + } + } return 0; @@ -344,7 +362,16 @@ static int ufs_mtk_setup_ref_clk(struct ufs_hba *hba, bool on) dev_err(hba->dev, "missing ack of refclk req, reg: 0x%x\n", value); - ufs_mtk_ref_clk_notify(host->ref_clk_enabled, POST_CHANGE, res); + /* + * If clock on timeout, assume clock is off, notify tfa do clock + * off setting.(keep DIFN disable, release resource) + * If clock off timeout, assume clock will off finally, + * set ref_clk_enabled directly.(keep DIFN disable, keep resource) + */ + if (on) + ufs_mtk_ref_clk_notify(false, POST_CHANGE, res); + else + host->ref_clk_enabled = false; return -ETIMEDOUT; @@ -663,6 +690,9 @@ static void ufs_mtk_init_host_caps(struct ufs_hba *hba) if (of_property_read_bool(np, "mediatek,ufs-rtff-mtcmos")) host->caps |= UFS_MTK_CAP_RTFF_MTCMOS; + if (of_property_read_bool(np, "mediatek,ufs-broken-rtc")) + host->caps |= UFS_MTK_CAP_MCQ_BROKEN_RTC; + dev_info(hba->dev, "caps: 0x%x", host->caps); } @@ -779,6 +809,91 @@ static int ufs_mtk_setup_clocks(struct ufs_hba *hba, bool on, return ret; } +static u32 ufs_mtk_mcq_get_irq(struct ufs_hba *hba, unsigned int cpu) +{ + struct ufs_mtk_host *host = ufshcd_get_variant(hba); + struct blk_mq_tag_set *tag_set = &hba->host->tag_set; + struct blk_mq_queue_map *map = &tag_set->map[HCTX_TYPE_DEFAULT]; + unsigned int nr = map->nr_queues; + unsigned int q_index; + + q_index = map->mq_map[cpu]; + if (q_index > nr) { + dev_err(hba->dev, "hwq index %d exceed %d\n", + q_index, nr); + return MTK_MCQ_INVALID_IRQ; + } + + return host->mcq_intr_info[q_index].irq; +} + +static void ufs_mtk_mcq_set_irq_affinity(struct ufs_hba *hba, unsigned int cpu) +{ + unsigned int irq, _cpu; + int ret; + + irq = ufs_mtk_mcq_get_irq(hba, cpu); + if (irq == MTK_MCQ_INVALID_IRQ) { + dev_err(hba->dev, "invalid irq. unable to bind irq to cpu%d", cpu); + return; + } + + /* force migrate irq of cpu0 to cpu3 */ + _cpu = (cpu == 0) ? 3 : cpu; + ret = irq_set_affinity(irq, cpumask_of(_cpu)); + if (ret) { + dev_err(hba->dev, "set irq %d affinity to CPU %d failed\n", + irq, _cpu); + return; + } + dev_info(hba->dev, "set irq %d affinity to CPU: %d\n", irq, _cpu); +} + +static bool ufs_mtk_is_legacy_chipset(struct ufs_hba *hba, u32 hw_ip_ver) +{ + bool is_legacy = false; + + switch (hw_ip_ver) { + case IP_LEGACY_VER_MT6893: + case IP_LEGACY_VER_MT6781: + /* can add other legacy chipset ID here accordingly */ + is_legacy = true; + break; + default: + break; + } + dev_info(hba->dev, "legacy IP version - 0x%x, is legacy : %d", hw_ip_ver, is_legacy); + + return is_legacy; +} + +/* + * HW version format has been changed from 01MMmmmm to 1MMMmmmm, since + * project MT6878. In order to perform correct version comparison, + * version number is changed by SW for the following projects. + * IP_VER_MT6983 0x00360000 to 0x10360000 + * IP_VER_MT6897 0x01440000 to 0x10440000 + * IP_VER_MT6989 0x01450000 to 0x10450000 + * IP_VER_MT6991 0x01460000 to 0x10460000 + */ +static void ufs_mtk_get_hw_ip_version(struct ufs_hba *hba) +{ + struct ufs_mtk_host *host = ufshcd_get_variant(hba); + u32 hw_ip_ver; + + hw_ip_ver = ufshcd_readl(hba, REG_UFS_MTK_IP_VER); + + if (((hw_ip_ver & (0xFF << 24)) == (0x1 << 24)) || + ((hw_ip_ver & (0xFF << 24)) == 0)) { + hw_ip_ver &= ~(0xFF << 24); + hw_ip_ver |= (0x1 << 28); + } + + host->ip_ver = hw_ip_ver; + + host->legacy_ip_ver = ufs_mtk_is_legacy_chipset(hba, hw_ip_ver); +} + static void ufs_mtk_get_controller_version(struct ufs_hba *hba) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); @@ -818,8 +933,10 @@ static void ufs_mtk_init_clocks(struct ufs_hba *hba) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); struct list_head *head = &hba->clk_list_head; - struct ufs_mtk_clk *mclk = &host->mclk; struct ufs_clk_info *clki, *clki_tmp; + struct device *dev = hba->dev; + struct regulator *reg; + u32 volt; /* * Find private clocks and store them in struct ufs_mtk_clk. @@ -837,15 +954,57 @@ static void ufs_mtk_init_clocks(struct ufs_hba *hba) host->mclk.ufs_sel_min_clki = clki; clk_disable_unprepare(clki->clk); list_del(&clki->list); + } else if (!strcmp(clki->name, "ufs_fde")) { + host->mclk.ufs_fde_clki = clki; + } else if (!strcmp(clki->name, "ufs_fde_max_src")) { + host->mclk.ufs_fde_max_clki = clki; + clk_disable_unprepare(clki->clk); + list_del(&clki->list); + } else if (!strcmp(clki->name, "ufs_fde_min_src")) { + host->mclk.ufs_fde_min_clki = clki; + clk_disable_unprepare(clki->clk); + list_del(&clki->list); } } - if (!mclk->ufs_sel_clki || !mclk->ufs_sel_max_clki || - !mclk->ufs_sel_min_clki) { + list_for_each_entry(clki, head, list) { + dev_info(hba->dev, "clk \"%s\" present", clki->name); + } + + if (!ufs_mtk_is_clk_scale_ready(hba)) { hba->caps &= ~UFSHCD_CAP_CLK_SCALING; dev_info(hba->dev, "%s: Clk-scaling not ready. Feature disabled.", __func__); + return; + } + + /* + * Default get vcore if dts have these settings. + * No matter clock scaling support or not. (may disable by customer) + */ + reg = devm_regulator_get_optional(dev, "dvfsrc-vcore"); + if (IS_ERR(reg)) { + dev_info(dev, "failed to get dvfsrc-vcore: %ld", + PTR_ERR(reg)); + return; + } + + if (of_property_read_u32(dev->of_node, "clk-scale-up-vcore-min", + &volt)) { + dev_info(dev, "failed to get clk-scale-up-vcore-min"); + return; + } + + host->mclk.reg_vcore = reg; + host->mclk.vcore_volt = volt; + + /* If default boot is max gear, request vcore */ + if (reg && volt && host->clk_scale_up) { + if (regulator_set_voltage(reg, volt, INT_MAX)) { + dev_info(hba->dev, + "Failed to set vcore to %d\n", volt); + } } } @@ -1014,13 +1173,17 @@ static int ufs_mtk_init(struct ufs_hba *hba) /* Enable clk scaling*/ hba->caps |= UFSHCD_CAP_CLK_SCALING; + host->clk_scale_up = true; /* default is max freq */ /* Set runtime pm delay to replace default */ shost->rpm_autosuspend_delay = MTK_RPM_AUTOSUSPEND_DELAY_MS; hba->quirks |= UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL; + hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_INTR; - hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_RTC; + if (host->caps & UFS_MTK_CAP_MCQ_BROKEN_RTC) + hba->quirks |= UFSHCD_QUIRK_MCQ_BROKEN_RTC; + hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80); if (host->caps & UFS_MTK_CAP_DISABLE_AH8) @@ -1050,7 +1213,7 @@ static int ufs_mtk_init(struct ufs_hba *hba) ufs_mtk_setup_clocks(hba, true, POST_CHANGE); - host->ip_ver = ufshcd_readl(hba, REG_UFS_MTK_IP_VER); + ufs_mtk_get_hw_ip_version(hba); goto out; @@ -1505,6 +1668,13 @@ static int ufs_mtk_apply_dev_quirks(struct ufs_hba *hba) { struct ufs_dev_info *dev_info = &hba->dev_info; u16 mid = dev_info->wmanufacturerid; + unsigned int cpu; + + if (hba->mcq_enabled) { + /* Iterate all cpus to set affinity for mcq irqs */ + for (cpu = 0; cpu < nr_cpu_ids; cpu++) + ufs_mtk_mcq_set_irq_affinity(hba, cpu); + } if (mid == UFS_VENDOR_SAMSUNG) { ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), 6); @@ -1598,24 +1768,30 @@ static void ufs_mtk_config_scaling_param(struct ufs_hba *hba, hba->vps->ondemand_data.downdifferential = 20; } -/** - * ufs_mtk_clk_scale - Internal clk scaling operation - * - * MTK platform supports clk scaling by switching parent of ufs_sel(mux). - * The ufs_sel downstream to ufs_ck which feeds directly to UFS hardware. - * Max and min clocks rate of ufs_sel defined in dts should match rate of - * "ufs_sel_max_src" and "ufs_sel_min_src" respectively. - * This prevent changing rate of pll clock that is shared between modules. - * - * @hba: per adapter instance - * @scale_up: True for scaling up and false for scaling down - */ -static void ufs_mtk_clk_scale(struct ufs_hba *hba, bool scale_up) +static void _ufs_mtk_clk_scale(struct ufs_hba *hba, bool scale_up) { struct ufs_mtk_host *host = ufshcd_get_variant(hba); struct ufs_mtk_clk *mclk = &host->mclk; struct ufs_clk_info *clki = mclk->ufs_sel_clki; - int ret = 0; + struct ufs_clk_info *fde_clki = mclk->ufs_fde_clki; + struct regulator *reg; + int volt, ret = 0; + bool clk_bind_vcore = false; + bool clk_fde_scale = false; + + if (!hba->clk_scaling.is_initialized) + return; + + if (!clki || !fde_clki) + return; + + reg = host->mclk.reg_vcore; + volt = host->mclk.vcore_volt; + if (reg && volt != 0) + clk_bind_vcore = true; + + if (mclk->ufs_fde_max_clki && mclk->ufs_fde_min_clki) + clk_fde_scale = true; ret = clk_prepare_enable(clki->clk); if (ret) { @@ -1624,21 +1800,109 @@ static void ufs_mtk_clk_scale(struct ufs_hba *hba, bool scale_up) return; } + if (clk_fde_scale) { + ret = clk_prepare_enable(fde_clki->clk); + if (ret) { + dev_info(hba->dev, + "fde clk_prepare_enable() fail, ret: %d\n", ret); + return; + } + } + if (scale_up) { + if (clk_bind_vcore) { + ret = regulator_set_voltage(reg, volt, INT_MAX); + if (ret) { + dev_info(hba->dev, + "Failed to set vcore to %d\n", volt); + goto out; + } + } + ret = clk_set_parent(clki->clk, mclk->ufs_sel_max_clki->clk); - clki->curr_freq = clki->max_freq; + if (ret) { + dev_info(hba->dev, "Failed to set clk mux, ret = %d\n", + ret); + } + + if (clk_fde_scale) { + ret = clk_set_parent(fde_clki->clk, + mclk->ufs_fde_max_clki->clk); + if (ret) { + dev_info(hba->dev, + "Failed to set fde clk mux, ret = %d\n", + ret); + } + } } else { + if (clk_fde_scale) { + ret = clk_set_parent(fde_clki->clk, + mclk->ufs_fde_min_clki->clk); + if (ret) { + dev_info(hba->dev, + "Failed to set fde clk mux, ret = %d\n", + ret); + goto out; + } + } + ret = clk_set_parent(clki->clk, mclk->ufs_sel_min_clki->clk); - clki->curr_freq = clki->min_freq; - } + if (ret) { + dev_info(hba->dev, "Failed to set clk mux, ret = %d\n", + ret); + goto out; + } - if (ret) { - dev_info(hba->dev, - "Failed to set ufs_sel_clki, ret: %d\n", ret); + if (clk_bind_vcore) { + ret = regulator_set_voltage(reg, 0, INT_MAX); + if (ret) { + dev_info(hba->dev, + "failed to set vcore to MIN\n"); + } + } } +out: clk_disable_unprepare(clki->clk); + if (clk_fde_scale) + clk_disable_unprepare(fde_clki->clk); +} + +/** + * ufs_mtk_clk_scale - Internal clk scaling operation + * + * MTK platform supports clk scaling by switching parent of ufs_sel(mux). + * The ufs_sel downstream to ufs_ck which feeds directly to UFS hardware. + * Max and min clocks rate of ufs_sel defined in dts should match rate of + * "ufs_sel_max_src" and "ufs_sel_min_src" respectively. + * This prevent changing rate of pll clock that is shared between modules. + * + * @hba: per adapter instance + * @scale_up: True for scaling up and false for scaling down + */ +static void ufs_mtk_clk_scale(struct ufs_hba *hba, bool scale_up) +{ + struct ufs_mtk_host *host = ufshcd_get_variant(hba); + struct ufs_mtk_clk *mclk = &host->mclk; + struct ufs_clk_info *clki = mclk->ufs_sel_clki; + + if (host->clk_scale_up == scale_up) + goto out; + + if (scale_up) + _ufs_mtk_clk_scale(hba, true); + else + _ufs_mtk_clk_scale(hba, false); + + host->clk_scale_up = scale_up; + + /* Must always set before clk_set_rate() */ + if (scale_up) + clki->curr_freq = clki->max_freq; + else + clki->curr_freq = clki->min_freq; +out: trace_ufs_mtk_clk_scale(clki->name, scale_up, clk_get_rate(clki->clk)); } diff --git a/drivers/ufs/host/ufs-mediatek.h b/drivers/ufs/host/ufs-mediatek.h index 05d76a6bd772..e46dc5fa209d 100644 --- a/drivers/ufs/host/ufs-mediatek.h +++ b/drivers/ufs/host/ufs-mediatek.h @@ -133,6 +133,8 @@ enum ufs_mtk_host_caps { UFS_MTK_CAP_DISABLE_MCQ = 1 << 8, /* Control MTCMOS with RTFF */ UFS_MTK_CAP_RTFF_MTCMOS = 1 << 9, + + UFS_MTK_CAP_MCQ_BROKEN_RTC = 1 << 10, }; struct ufs_mtk_crypt_cfg { @@ -147,6 +149,11 @@ struct ufs_mtk_clk { struct ufs_clk_info *ufs_sel_clki; /* Mux */ struct ufs_clk_info *ufs_sel_max_clki; /* Max src */ struct ufs_clk_info *ufs_sel_min_clki; /* Min src */ + struct ufs_clk_info *ufs_fde_clki; /* Mux */ + struct ufs_clk_info *ufs_fde_max_clki; /* Max src */ + struct ufs_clk_info *ufs_fde_min_clki; /* Min src */ + struct regulator *reg_vcore; + int vcore_volt; }; struct ufs_mtk_hw_ver { @@ -176,9 +183,11 @@ struct ufs_mtk_host { bool mphy_powered_on; bool unipro_lpm; bool ref_clk_enabled; + bool clk_scale_up; u16 ref_clk_ungating_wait_us; u16 ref_clk_gating_wait_us; u32 ip_ver; + bool legacy_ip_ver; bool mcq_set_intr; bool is_mcq_intr_enabled; @@ -192,4 +201,27 @@ struct ufs_mtk_host { /* MTK RTT support number */ #define MTK_MAX_NUM_RTT 2 +/* UFSHCI MTK ip version value */ +enum { + /* UFSHCI 3.1 */ + IP_VER_MT6983 = 0x10360000, + IP_VER_MT6878 = 0x10420200, + + /* UFSHCI 4.0 */ + IP_VER_MT6897 = 0x10440000, + IP_VER_MT6989 = 0x10450000, + IP_VER_MT6899 = 0x10450100, + IP_VER_MT6991_A0 = 0x10460000, + IP_VER_MT6991_B0 = 0x10470000, + IP_VER_MT6993 = 0x10480000, + + IP_VER_NONE = 0xFFFFFFFF +}; + +enum ip_ver_legacy { + IP_LEGACY_VER_MT6781 = 0x10380000, + IP_LEGACY_VER_MT6879 = 0x10360000, + IP_LEGACY_VER_MT6893 = 0x20160706 +}; + #endif /* !_UFS_MEDIATEK_H */ diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 4bbe4de1679b..76fc70503a62 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1898,7 +1898,6 @@ static int ufs_qcom_device_reset(struct ufs_hba *hba) return 0; } -#if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) static void ufs_qcom_config_scaling_param(struct ufs_hba *hba, struct devfreq_dev_profile *p, struct devfreq_simple_ondemand_data *d) @@ -1910,13 +1909,6 @@ static void ufs_qcom_config_scaling_param(struct ufs_hba *hba, hba->clk_scaling.suspend_on_no_request = true; } -#else -static void ufs_qcom_config_scaling_param(struct ufs_hba *hba, - struct devfreq_dev_profile *p, - struct devfreq_simple_ondemand_data *data) -{ -} -#endif /* Resources */ static const struct ufshcd_res_info ufs_res_info[RES_MAX] = { diff --git a/drivers/ufs/host/ufshcd-pci.c b/drivers/ufs/host/ufshcd-pci.c index 996387906aa1..b39239f641f2 100644 --- a/drivers/ufs/host/ufshcd-pci.c +++ b/drivers/ufs/host/ufshcd-pci.c @@ -22,17 +22,12 @@ #define MAX_SUPP_MAC 64 -struct ufs_host { - void (*late_init)(struct ufs_hba *hba); -}; - enum intel_ufs_dsm_func_id { INTEL_DSM_FNS = 0, INTEL_DSM_RESET = 1, }; struct intel_host { - struct ufs_host ufs_host; u32 dsm_fns; u32 active_ltr; u32 idle_ltr; @@ -408,8 +403,14 @@ static int ufs_intel_ehl_init(struct ufs_hba *hba) return ufs_intel_common_init(hba); } -static void ufs_intel_lkf_late_init(struct ufs_hba *hba) +static int ufs_intel_lkf_init(struct ufs_hba *hba) { + int err; + + hba->nop_out_timeout = 200; + hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8; + hba->caps |= UFSHCD_CAP_CRYPTO; + err = ufs_intel_common_init(hba); /* LKF always needs a full reset, so set PM accordingly */ if (hba->caps & UFSHCD_CAP_DEEPSLEEP) { hba->spm_lvl = UFS_PM_LVL_6; @@ -418,19 +419,6 @@ static void ufs_intel_lkf_late_init(struct ufs_hba *hba) hba->spm_lvl = UFS_PM_LVL_5; hba->rpm_lvl = UFS_PM_LVL_5; } -} - -static int ufs_intel_lkf_init(struct ufs_hba *hba) -{ - struct ufs_host *ufs_host; - int err; - - hba->nop_out_timeout = 200; - hba->quirks |= UFSHCD_QUIRK_BROKEN_AUTO_HIBERN8; - hba->caps |= UFSHCD_CAP_CRYPTO; - err = ufs_intel_common_init(hba); - ufs_host = ufshcd_get_variant(hba); - ufs_host->late_init = ufs_intel_lkf_late_init; return err; } @@ -444,6 +432,8 @@ static int ufs_intel_adl_init(struct ufs_hba *hba) static int ufs_intel_mtl_init(struct ufs_hba *hba) { + hba->rpm_lvl = UFS_PM_LVL_2; + hba->spm_lvl = UFS_PM_LVL_2; hba->caps |= UFSHCD_CAP_CRYPTO | UFSHCD_CAP_WB_EN; return ufs_intel_common_init(hba); } @@ -574,7 +564,6 @@ static void ufshcd_pci_remove(struct pci_dev *pdev) static int ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - struct ufs_host *ufs_host; struct ufs_hba *hba; void __iomem *mmio_base; int err; @@ -607,10 +596,6 @@ ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) return err; } - ufs_host = ufshcd_get_variant(hba); - if (ufs_host && ufs_host->late_init) - ufs_host->late_init(hba); - pm_runtime_put_noidle(&pdev->dev); pm_runtime_allow(&pdev->dev); |