diff options
35 files changed, 268 insertions, 53 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs index 5bf7073b4f75..fe943ce76c60 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -920,14 +920,16 @@ Description: This file shows whether the configuration descriptor is locked. What: /sys/bus/platform/drivers/ufshcd/*/attributes/max_number_of_rtt What: /sys/bus/platform/devices/*.ufs/attributes/max_number_of_rtt -Date: February 2018 -Contact: Stanislav Nijnikov <[email protected]> +Date: May 2024 +Contact: Avri Altman <[email protected]> Description: This file provides the maximum current number of - outstanding RTTs in device that is allowed. The full - information about the attribute could be found at - UFS specifications 2.1. + outstanding RTTs in device that is allowed. bMaxNumOfRTT is a + read-write persistent attribute and is equal to two after device + manufacturing. It shall not be set to a value greater than + bDeviceRTTCap value, and it may be set only when the hw queues are + empty. - The file is read only. + The file is read write. What: /sys/bus/platform/drivers/ufshcd/*/attributes/exception_event_control What: /sys/bus/platform/devices/*.ufs/attributes/exception_event_control diff --git a/block/bsg-lib.c b/block/bsg-lib.c index ee738d129a9f..32da4a4429ce 100644 --- a/block/bsg-lib.c +++ b/block/bsg-lib.c @@ -385,13 +385,12 @@ struct request_queue *bsg_setup_queue(struct device *dev, const char *name, if (blk_mq_alloc_tag_set(set)) goto out_tag_set; - q = blk_mq_alloc_queue(set, lim, NULL); + q = blk_mq_alloc_queue(set, lim, dev); if (IS_ERR(q)) { ret = PTR_ERR(q); goto out_queue; } - q->queuedata = dev; blk_queue_rq_timeout(q, BLK_DEFAULT_SG_TIMEOUT); bset->bd = bsg_register_queue(q, dev, name, bsg_transport_sg_io_fn); diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index 72ceaf650b0d..2135a2b3e2d0 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -78,6 +78,7 @@ static struct blogic_drvr_options blogic_drvr_options[BLOGIC_MAX_ADAPTERS]; BusLogic can be assigned a string by insmod. */ +MODULE_DESCRIPTION("BusLogic MultiMaster and FlashPoint SCSI Host Adapter driver"); MODULE_LICENSE("GPL"); #ifdef MODULE static char *BusLogic; diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index ab066bb27a57..fd4fcb37863d 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -11545,6 +11545,7 @@ static void __exit advansys_exit(void) module_init(advansys_init); module_exit(advansys_exit); +MODULE_DESCRIPTION("AdvanSys SCSI Adapter driver"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE("advansys/mcode.bin"); MODULE_FIRMWARE("advansys/3550.bin"); diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index 9503996c6325..389499d3e00a 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -1009,6 +1009,8 @@ static int aha1542_biosparam(struct scsi_device *sdev, return 0; } + +MODULE_DESCRIPTION("Adaptec AHA-1542 SCSI host adapter driver"); MODULE_LICENSE("GPL"); static int aha1542_init_cmd_priv(struct Scsi_Host *shost, struct scsi_cmnd *cmd) diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c index 3d18945abaf7..be7ebbbb9ba8 100644 --- a/drivers/scsi/aha1740.c +++ b/drivers/scsi/aha1740.c @@ -681,4 +681,5 @@ static __exit void aha1740_exit (void) module_init (aha1740_init); module_exit (aha1740_exit); +MODULE_DESCRIPTION("Adaptec AHA1740 SCSI host adapter driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index 0b046e4b395c..e50a3dbf9de3 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -2450,7 +2450,7 @@ static int acornscsi_queuecmd_lck(struct scsi_cmnd *SCpnt) return 0; } -DEF_SCSI_QCMD(acornscsi_queuecmd) +static DEF_SCSI_QCMD(acornscsi_queuecmd) enum res_abort { res_not_running, res_success, res_success_clear, res_snooze }; @@ -2552,7 +2552,7 @@ static enum res_abort acornscsi_do_abort(AS_Host *host, struct scsi_cmnd *SCpnt) * Params : SCpnt - command to abort * Returns : one of SCSI_ABORT_ macros */ -int acornscsi_abort(struct scsi_cmnd *SCpnt) +static int acornscsi_abort(struct scsi_cmnd *SCpnt) { AS_Host *host = (AS_Host *) SCpnt->device->host->hostdata; int result; @@ -2634,7 +2634,7 @@ int acornscsi_abort(struct scsi_cmnd *SCpnt) * Params : SCpnt - command causing reset * Returns : one of SCSI_RESET_ macros */ -int acornscsi_host_reset(struct scsi_cmnd *SCpnt) +static int acornscsi_host_reset(struct scsi_cmnd *SCpnt) { AS_Host *host = (AS_Host *)SCpnt->device->host->hostdata; struct scsi_cmnd *SCptr; @@ -2679,8 +2679,7 @@ int acornscsi_host_reset(struct scsi_cmnd *SCpnt) * Params : host - host to give information on * Returns : a constant string */ -const -char *acornscsi_info(struct Scsi_Host *host) +static const char *acornscsi_info(struct Scsi_Host *host) { static char string[100], *p; diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c index c5d8f4313b31..e460068f6834 100644 --- a/drivers/scsi/arm/cumana_2.c +++ b/drivers/scsi/arm/cumana_2.c @@ -296,7 +296,7 @@ cumanascsi_2_dma_stop(struct Scsi_Host *host, struct scsi_pointer *SCp) * Params : host - driver host structure to return info for. * Returns : pointer to a static buffer containing null terminated string. */ -const char *cumanascsi_2_info(struct Scsi_Host *host) +static const char *cumanascsi_2_info(struct Scsi_Host *host) { struct cumanascsi2_info *info = (struct cumanascsi2_info *)host->hostdata; static char string[150]; diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c index b3ec7635bc72..99be9da8757f 100644 --- a/drivers/scsi/arm/eesox.c +++ b/drivers/scsi/arm/eesox.c @@ -381,7 +381,7 @@ eesoxscsi_dma_stop(struct Scsi_Host *host, struct scsi_pointer *SCp) * Params : host - driver host structure to return info for. * Returns : pointer to a static buffer containing null terminated string. */ -const char *eesoxscsi_info(struct Scsi_Host *host) +static const char *eesoxscsi_info(struct Scsi_Host *host) { struct eesoxscsi_info *info = (struct eesoxscsi_info *)host->hostdata; static char string[150]; diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c index 3b5991427886..823c65ff6c12 100644 --- a/drivers/scsi/arm/powertec.c +++ b/drivers/scsi/arm/powertec.c @@ -184,7 +184,7 @@ powertecscsi_dma_stop(struct Scsi_Host *host, struct scsi_pointer *SCp) * Params : host - driver host structure to return info for. * Returns : pointer to a static buffer containing null terminated string. */ -const char *powertecscsi_info(struct Scsi_Host *host) +static const char *powertecscsi_info(struct Scsi_Host *host) { struct powertec_info *info = (struct powertec_info *)host->hostdata; static char string[150]; diff --git a/drivers/scsi/atari_scsi.c b/drivers/scsi/atari_scsi.c index 742625ac7d99..98a1b966a0b0 100644 --- a/drivers/scsi/atari_scsi.c +++ b/drivers/scsi/atari_scsi.c @@ -894,4 +894,5 @@ static struct platform_driver atari_scsi_driver __refdata = { module_platform_driver_probe(atari_scsi_driver, atari_scsi_probe); MODULE_ALIAS("platform:" DRV_MODULE_NAME); +MODULE_DESCRIPTION("Atari TT/Falcon NCR5380 SCSI driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c index 2a748af269c2..928151ec927a 100644 --- a/drivers/scsi/atp870u.c +++ b/drivers/scsi/atp870u.c @@ -1724,6 +1724,8 @@ static void atp870u_remove (struct pci_dev *pdev) atp870u_free_tables(pshost); scsi_host_put(pshost); } + +MODULE_DESCRIPTION("ACARD SCSI host adapter driver"); MODULE_LICENSE("GPL"); static const struct scsi_host_template atp870u_template = { diff --git a/drivers/scsi/elx/efct/efct_driver.c b/drivers/scsi/elx/efct/efct_driver.c index 49fd2cfed70c..55d2301bfd7d 100644 --- a/drivers/scsi/elx/efct/efct_driver.c +++ b/drivers/scsi/elx/efct/efct_driver.c @@ -778,5 +778,6 @@ static void __exit efct_exit(void) module_init(efct_init); module_exit(efct_exit); MODULE_VERSION(EFCT_DRIVER_VERSION); +MODULE_DESCRIPTION("Emulex Fibre Channel Target driver"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Broadcom"); diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c index f6305e3e60f4..270eae7ac427 100644 --- a/drivers/scsi/g_NCR5380.c +++ b/drivers/scsi/g_NCR5380.c @@ -110,6 +110,7 @@ module_param_array(card, int, NULL, 0); MODULE_PARM_DESC(card, "card type (0=NCR5380, 1=NCR53C400, 2=NCR53C400A, 3=DTC3181E, 4=HP C2502)"); MODULE_ALIAS("g_NCR5380_mmio"); +MODULE_DESCRIPTION("Generic NCR5380/NCR53C400 SCSI driver"); MODULE_LICENSE("GPL"); static void g_NCR5380_trigger_irq(struct Scsi_Host *instance) diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index 21339da505f1..6e779bb14d98 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -1279,4 +1279,5 @@ static struct parport_driver imm_driver = { }; module_parport_driver(imm_driver); +MODULE_DESCRIPTION("IOMEGA MatchMaker parallel port SCSI host adapter driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index de2aefcf2089..d31884f82f2a 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -758,6 +758,7 @@ static __exit void isci_exit(void) sas_release_transport(isci_transport_template); } +MODULE_DESCRIPTION("Intel(R) C600 Series Chipset SAS Controller driver"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_FIRMWARE(ISCI_FW_NAME); module_init(isci_init); diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index a46c73e8d7c4..0a9d6978cb0c 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1907,6 +1907,11 @@ lpfc_xcvr_data_show(struct device *dev, struct device_attribute *attr, /* Get transceiver information */ rdp_context = kmalloc(sizeof(*rdp_context), GFP_KERNEL); + if (!rdp_context) { + len = scnprintf(buf, PAGE_SIZE - len, + "SPF info NA: alloc failure\n"); + return len; + } rc = lpfc_get_sfp_info_wait(phba, rdp_context); if (rc) { diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c index a402c4dc4645..53ee8f84d094 100644 --- a/drivers/scsi/mac_scsi.c +++ b/drivers/scsi/mac_scsi.c @@ -550,4 +550,5 @@ static struct platform_driver mac_scsi_driver __refdata = { module_platform_driver_probe(mac_scsi_driver, mac_scsi_probe); MODULE_ALIAS("platform:" DRV_MODULE_NAME); +MODULE_DESCRIPTION("Macintosh NCR5380 SCSI driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/pcmcia/aha152x_stub.c b/drivers/scsi/pcmcia/aha152x_stub.c index 6a6621728c69..1b54ba51a485 100644 --- a/drivers/scsi/pcmcia/aha152x_stub.c +++ b/drivers/scsi/pcmcia/aha152x_stub.c @@ -75,6 +75,7 @@ module_param(synchronous, int, 0); module_param(reset_delay, int, 0); module_param(ext_trans, int, 0); +MODULE_DESCRIPTION("Adaptec AHA152X-compatible PCMCIA SCSI card driver"); MODULE_LICENSE("Dual MPL/GPL"); /*====================================================================*/ diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c index 8300f0bdddb3..2d9fcc45ad85 100644 --- a/drivers/scsi/ppa.c +++ b/drivers/scsi/ppa.c @@ -1155,4 +1155,5 @@ static struct parport_driver ppa_driver = { }; module_parport_driver(ppa_driver); +MODULE_DESCRIPTION("IOMEGA PPA3 parallel port SCSI host adapter driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index d48007e18288..fe98c76e9be3 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -3014,12 +3014,6 @@ qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, } } -struct scsi_dif_tuple { - __be16 guard; /* Checksum */ - __be16 app_tag; /* APPL identifier */ - __be32 ref_tag; /* Target LBA or indirect LBA */ -}; - /* * Checks the guard or meta-data for the type of error * detected by the HBA. In case of errors, we set the diff --git a/drivers/scsi/scsi_common.c b/drivers/scsi/scsi_common.c index 9c14fdf61037..04749fde1636 100644 --- a/drivers/scsi/scsi_common.c +++ b/drivers/scsi/scsi_common.c @@ -12,6 +12,7 @@ #include <asm/unaligned.h> #include <scsi/scsi_common.h> +MODULE_DESCRIPTION("SCSI functions used by both the initiator and the target code"); MODULE_LICENSE("GPL v2"); /* Command group 3 is reserved and should never be used. */ diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index a7071e71389e..90f1393a23f8 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -39,13 +39,12 @@ static LIST_HEAD(scsi_dev_info_list); static char scsi_dev_flags[256]; /* - * scsi_static_device_list: deprecated list of devices that require - * settings that differ from the default, includes black-listed (broken) - * devices. The entries here are added to the tail of scsi_dev_info_list - * via scsi_dev_info_list_init. + * scsi_static_device_list: list of devices that require settings that differ + * from the default, includes black-listed (broken) devices. The entries here + * are added to the tail of scsi_dev_info_list via scsi_dev_info_list_init. * - * Do not add to this list, use the command line or proc interface to add - * to the scsi_dev_info_list. This table will eventually go away. + * If possible, set the BLIST_* flags from inside a SCSI LLD rather than + * adding an entry to this list. */ static struct { char *vendor; diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 8300fc28cb10..c0b72199b4fa 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -334,7 +334,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, sdev->sg_reserved_size = INT_MAX; scsi_init_limits(shost, &lim); - q = blk_mq_alloc_queue(&sdev->host->tag_set, &lim, NULL); + q = blk_mq_alloc_queue(&sdev->host->tag_set, &lim, sdev); if (IS_ERR(q)) { /* release fn is set up in scsi_sysfs_device_initialise, so * have to free and put manually here */ @@ -344,7 +344,6 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget, } kref_get(&sdev->host->tagset_refcnt); sdev->request_queue = q; - q->queuedata = sdev; depth = sdev->host->cmd_per_lun ?: 1; diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c index 4a8cc2e8238e..f51702893306 100644 --- a/drivers/scsi/sun3_scsi.c +++ b/drivers/scsi/sun3_scsi.c @@ -666,4 +666,5 @@ static struct platform_driver sun3_scsi_driver = { module_platform_driver_probe(sun3_scsi_driver, sun3_scsi_probe); MODULE_ALIAS("platform:" DRV_MODULE_NAME); +MODULE_DESCRIPTION("Sun3 NCR5380 SCSI controller driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 005d63ab1f44..4bcae410c268 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -18,6 +18,7 @@ #include <linux/iopoll.h> #define MAX_QUEUE_SUP GENMASK(7, 0) +#define QCFGPTR GENMASK(23, 16) #define UFS_MCQ_MIN_RW_QUEUES 2 #define UFS_MCQ_MIN_READ_QUEUES 0 #define UFS_MCQ_MIN_POLL_QUEUES 0 @@ -25,7 +26,6 @@ #define QUEUE_ID_OFFSET 16 #define MCQ_CFG_MAC_MASK GENMASK(16, 8) -#define MCQ_QCFG_SIZE 0x40 #define MCQ_ENTRY_SIZE_IN_DWORD 8 #define CQE_UCD_BA GENMASK_ULL(63, 7) @@ -118,6 +118,19 @@ struct ufs_hw_queue *ufshcd_mcq_req_to_hwq(struct ufs_hba *hba, } /** + * ufshcd_mcq_queue_cfg_addr - get an start address of the MCQ Queue Config + * Registers. + * @hba: per adapter instance + * + * Return: Start address of MCQ Queue Config Registers in HCI + */ +unsigned int ufshcd_mcq_queue_cfg_addr(struct ufs_hba *hba) +{ + return FIELD_GET(QCFGPTR, hba->mcq_capabilities) * 0x200; +} +EXPORT_SYMBOL_GPL(ufshcd_mcq_queue_cfg_addr); + +/** * ufshcd_mcq_decide_queue_depth - decide the queue depth * @hba: per adapter instance * @@ -166,6 +179,15 @@ static int ufshcd_mcq_config_nr_queues(struct ufs_hba *hba) return -EOPNOTSUPP; } + /* + * Device should support at least one I/O queue to handle device + * commands via hba->dev_cmd_queue. + */ + if (hba_maxq == poll_queues) { + dev_err(hba->dev, "At least one non-poll queue required\n"); + return -EOPNOTSUPP; + } + rem = hba_maxq; if (rw_queues) { @@ -228,12 +250,6 @@ int ufshcd_mcq_memory_alloc(struct ufs_hba *hba) return 0; } - -/* Operation and runtime registers configuration */ -#define MCQ_CFG_n(r, i) ((r) + MCQ_QCFG_SIZE * (i)) -#define MCQ_OPR_OFFSET_n(p, i) \ - (hba->mcq_opr[(p)].offset + hba->mcq_opr[(p)].stride * (i)) - static void __iomem *mcq_opr_base(struct ufs_hba *hba, enum ufshcd_mcq_opr n, int i) { @@ -338,29 +354,29 @@ void ufshcd_mcq_make_queues_operational(struct ufs_hba *hba) /* Submission Queue Lower Base Address */ ufsmcq_writelx(hba, lower_32_bits(hwq->sqe_dma_addr), - MCQ_CFG_n(REG_SQLBA, i)); + ufshcd_mcq_cfg_offset(REG_SQLBA, i)); /* Submission Queue Upper Base Address */ ufsmcq_writelx(hba, upper_32_bits(hwq->sqe_dma_addr), - MCQ_CFG_n(REG_SQUBA, i)); + ufshcd_mcq_cfg_offset(REG_SQUBA, i)); /* Submission Queue Doorbell Address Offset */ - ufsmcq_writelx(hba, MCQ_OPR_OFFSET_n(OPR_SQD, i), - MCQ_CFG_n(REG_SQDAO, i)); + ufsmcq_writelx(hba, ufshcd_mcq_opr_offset(hba, OPR_SQD, i), + ufshcd_mcq_cfg_offset(REG_SQDAO, i)); /* Submission Queue Interrupt Status Address Offset */ - ufsmcq_writelx(hba, MCQ_OPR_OFFSET_n(OPR_SQIS, i), - MCQ_CFG_n(REG_SQISAO, i)); + ufsmcq_writelx(hba, ufshcd_mcq_opr_offset(hba, OPR_SQIS, i), + ufshcd_mcq_cfg_offset(REG_SQISAO, i)); /* Completion Queue Lower Base Address */ ufsmcq_writelx(hba, lower_32_bits(hwq->cqe_dma_addr), - MCQ_CFG_n(REG_CQLBA, i)); + ufshcd_mcq_cfg_offset(REG_CQLBA, i)); /* Completion Queue Upper Base Address */ ufsmcq_writelx(hba, upper_32_bits(hwq->cqe_dma_addr), - MCQ_CFG_n(REG_CQUBA, i)); + ufshcd_mcq_cfg_offset(REG_CQUBA, i)); /* Completion Queue Doorbell Address Offset */ - ufsmcq_writelx(hba, MCQ_OPR_OFFSET_n(OPR_CQD, i), - MCQ_CFG_n(REG_CQDAO, i)); + ufsmcq_writelx(hba, ufshcd_mcq_opr_offset(hba, OPR_CQD, i), + ufshcd_mcq_cfg_offset(REG_CQDAO, i)); /* Completion Queue Interrupt Status Address Offset */ - ufsmcq_writelx(hba, MCQ_OPR_OFFSET_n(OPR_CQIS, i), - MCQ_CFG_n(REG_CQISAO, i)); + ufsmcq_writelx(hba, ufshcd_mcq_opr_offset(hba, OPR_CQIS, i), + ufshcd_mcq_cfg_offset(REG_CQISAO, i)); /* Save the base addresses for quicker access */ hwq->mcq_sq_head = mcq_opr_base(hba, OPR_SQD, i) + REG_SQHP; @@ -377,7 +393,7 @@ void ufshcd_mcq_make_queues_operational(struct ufs_hba *hba) /* Completion Queue Enable|Size to Completion Queue Attribute */ ufsmcq_writel(hba, (1 << QUEUE_EN_OFFSET) | qsize, - MCQ_CFG_n(REG_CQATTR, i)); + ufshcd_mcq_cfg_offset(REG_CQATTR, i)); /* * Submission Qeueue Enable|Size|Completion Queue ID to @@ -385,7 +401,7 @@ void ufshcd_mcq_make_queues_operational(struct ufs_hba *hba) */ ufsmcq_writel(hba, (1 << QUEUE_EN_OFFSET) | qsize | (i << QUEUE_ID_OFFSET), - MCQ_CFG_n(REG_SQATTR, i)); + ufshcd_mcq_cfg_offset(REG_SQATTR, i)); } } EXPORT_SYMBOL_GPL(ufshcd_mcq_make_queues_operational); diff --git a/drivers/ufs/core/ufs-sysfs.c b/drivers/ufs/core/ufs-sysfs.c index 3d049967f6bc..e80a32421a8c 100644 --- a/drivers/ufs/core/ufs-sysfs.c +++ b/drivers/ufs/core/ufs-sysfs.c @@ -1340,6 +1340,78 @@ static const struct attribute_group ufs_sysfs_flags_group = { .attrs = ufs_sysfs_device_flags, }; +static ssize_t max_number_of_rtt_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ufs_hba *hba = dev_get_drvdata(dev); + u32 rtt; + int ret; + + down(&hba->host_sem); + if (!ufshcd_is_user_access_allowed(hba)) { + up(&hba->host_sem); + return -EBUSY; + } + + ufshcd_rpm_get_sync(hba); + ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, + QUERY_ATTR_IDN_MAX_NUM_OF_RTT, 0, 0, &rtt); + ufshcd_rpm_put_sync(hba); + + if (ret) + goto out; + + ret = sysfs_emit(buf, "0x%08X\n", rtt); + +out: + up(&hba->host_sem); + return ret; +} + +static ssize_t max_number_of_rtt_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ufs_hba *hba = dev_get_drvdata(dev); + struct ufs_dev_info *dev_info = &hba->dev_info; + struct scsi_device *sdev; + unsigned int rtt; + int ret; + + if (kstrtouint(buf, 0, &rtt)) + return -EINVAL; + + if (rtt > dev_info->rtt_cap) { + dev_err(dev, "rtt can be at most bDeviceRTTCap\n"); + return -EINVAL; + } + + down(&hba->host_sem); + if (!ufshcd_is_user_access_allowed(hba)) { + ret = -EBUSY; + goto out; + } + + ufshcd_rpm_get_sync(hba); + + shost_for_each_device(sdev, hba->host) + blk_mq_freeze_queue(sdev->request_queue); + + ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_WRITE_ATTR, + QUERY_ATTR_IDN_MAX_NUM_OF_RTT, 0, 0, &rtt); + + shost_for_each_device(sdev, hba->host) + blk_mq_unfreeze_queue(sdev->request_queue); + + ufshcd_rpm_put_sync(hba); + +out: + up(&hba->host_sem); + return ret < 0 ? ret : count; +} + +static DEVICE_ATTR_RW(max_number_of_rtt); + static inline bool ufshcd_is_wb_attrs(enum attr_idn idn) { return idn >= QUERY_ATTR_IDN_WB_FLUSH_STATUS && @@ -1387,7 +1459,6 @@ UFS_ATTRIBUTE(max_data_in_size, _MAX_DATA_IN); UFS_ATTRIBUTE(max_data_out_size, _MAX_DATA_OUT); UFS_ATTRIBUTE(reference_clock_frequency, _REF_CLK_FREQ); UFS_ATTRIBUTE(configuration_descriptor_lock, _CONF_DESC_LOCK); -UFS_ATTRIBUTE(max_number_of_rtt, _MAX_NUM_OF_RTT); UFS_ATTRIBUTE(exception_event_control, _EE_CONTROL); UFS_ATTRIBUTE(exception_event_status, _EE_STATUS); UFS_ATTRIBUTE(ffu_status, _FFU_STATUS); diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 0cf07194bbe8..41bf2e249c83 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -102,6 +102,9 @@ /* Default RTC update every 10 seconds */ #define UFS_RTC_UPDATE_INTERVAL_MS (10 * MSEC_PER_SEC) +/* bMaxNumOfRTT is equal to two after device manufacturing */ +#define DEFAULT_MAX_NUM_RTT 2 + /* UFSHC 4.0 compliant HC support this mode. */ static bool use_mcq_mode = true; @@ -2405,6 +2408,8 @@ static inline int ufshcd_hba_capabilities(struct ufs_hba *hba) ((hba->capabilities & MASK_TASK_MANAGEMENT_REQUEST_SLOTS) >> 16) + 1; hba->reserved_slot = hba->nutrs - 1; + hba->nortt = FIELD_GET(MASK_NUMBER_OUTSTANDING_RTT, hba->capabilities) + 1; + /* Read crypto capabilities */ err = ufshcd_hba_init_crypto_capabilities(hba); if (err) { @@ -8121,6 +8126,38 @@ out: dev_info->b_ext_iid_en = ext_iid_en; } +static void ufshcd_set_rtt(struct ufs_hba *hba) +{ + struct ufs_dev_info *dev_info = &hba->dev_info; + u32 rtt = 0; + u32 dev_rtt = 0; + int host_rtt_cap = hba->vops && hba->vops->max_num_rtt ? + hba->vops->max_num_rtt : hba->nortt; + + /* RTT override makes sense only for UFS-4.0 and above */ + if (dev_info->wspecversion < 0x400) + return; + + if (ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, + QUERY_ATTR_IDN_MAX_NUM_OF_RTT, 0, 0, &dev_rtt)) { + dev_err(hba->dev, "failed reading bMaxNumOfRTT\n"); + return; + } + + /* do not override if it was already written */ + if (dev_rtt != DEFAULT_MAX_NUM_RTT) + return; + + rtt = min_t(int, dev_info->rtt_cap, host_rtt_cap); + + if (rtt == dev_rtt) + return; + + if (ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR, + QUERY_ATTR_IDN_MAX_NUM_OF_RTT, 0, 0, &rtt)) + dev_err(hba->dev, "failed writing bMaxNumOfRTT\n"); +} + void ufshcd_fixup_dev_quirks(struct ufs_hba *hba, const struct ufs_dev_quirk *fixups) { @@ -8256,6 +8293,8 @@ static int ufs_get_device_desc(struct ufs_hba *hba) desc_buf[DEVICE_DESC_PARAM_SPEC_VER + 1]; dev_info->bqueuedepth = desc_buf[DEVICE_DESC_PARAM_Q_DPTH]; + dev_info->rtt_cap = desc_buf[DEVICE_DESC_PARAM_RTT_CAP]; + model_index = desc_buf[DEVICE_DESC_PARAM_PRDCT_NAME]; err = ufshcd_read_string_desc(hba, model_index, @@ -8508,6 +8547,8 @@ static int ufshcd_device_params_init(struct ufs_hba *hba) goto out; } + ufshcd_set_rtt(hba); + ufshcd_get_ref_clk_gating_wait(hba); if (!ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_READ_FLAG, diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index c4f997196c57..c7a0ab9b1f59 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -1785,6 +1785,7 @@ static int ufs_mtk_config_esi(struct ufs_hba *hba) */ static const struct ufs_hba_variant_ops ufs_hba_mtk_vops = { .name = "mediatek.ufshci", + .max_num_rtt = MTK_MAX_NUM_RTT, .init = ufs_mtk_init, .get_ufs_hci_version = ufs_mtk_get_ufs_hci_version, .setup_clocks = ufs_mtk_setup_clocks, diff --git a/drivers/ufs/host/ufs-mediatek.h b/drivers/ufs/host/ufs-mediatek.h index 3ff17e95afab..05d76a6bd772 100644 --- a/drivers/ufs/host/ufs-mediatek.h +++ b/drivers/ufs/host/ufs-mediatek.h @@ -189,4 +189,7 @@ struct ufs_mtk_host { /* MTK delay of autosuspend: 500 ms */ #define MTK_RPM_AUTOSUSPEND_DELAY_MS 500 +/* MTK RTT support number */ +#define MTK_MAX_NUM_RTT 2 + #endif /* !_UFS_MEDIATEK_H */ diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index cca190d1c577..c12004030b50 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1883,4 +1883,5 @@ static struct platform_driver ufs_qcom_pltform = { }; module_platform_driver(ufs_qcom_pltform); +MODULE_DESCRIPTION("Qualcomm UFS host controller driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/ufs/host/ufshcd-pci.c b/drivers/ufs/host/ufshcd-pci.c index 0aca666d2199..54e0cc0653a2 100644 --- a/drivers/ufs/host/ufshcd-pci.c +++ b/drivers/ufs/host/ufshcd-pci.c @@ -20,6 +20,8 @@ #include <linux/acpi.h> #include <linux/gpio/consumer.h> +#define MAX_SUPP_MAC 64 + struct ufs_host { void (*late_init)(struct ufs_hba *hba); }; @@ -446,6 +448,49 @@ static int ufs_intel_mtl_init(struct ufs_hba *hba) return ufs_intel_common_init(hba); } +static int ufs_qemu_get_hba_mac(struct ufs_hba *hba) +{ + return MAX_SUPP_MAC; +} + +static int ufs_qemu_mcq_config_resource(struct ufs_hba *hba) +{ + hba->mcq_base = hba->mmio_base + ufshcd_mcq_queue_cfg_addr(hba); + + return 0; +} + +static int ufs_qemu_op_runtime_config(struct ufs_hba *hba) +{ + struct ufshcd_mcq_opr_info_t *opr; + int i; + + u32 sqdao = ufsmcq_readl(hba, ufshcd_mcq_cfg_offset(REG_SQDAO, 0)); + u32 sqisao = ufsmcq_readl(hba, ufshcd_mcq_cfg_offset(REG_SQISAO, 0)); + u32 cqdao = ufsmcq_readl(hba, ufshcd_mcq_cfg_offset(REG_CQDAO, 0)); + u32 cqisao = ufsmcq_readl(hba, ufshcd_mcq_cfg_offset(REG_CQISAO, 0)); + + hba->mcq_opr[OPR_SQD].offset = sqdao; + hba->mcq_opr[OPR_SQIS].offset = sqisao; + hba->mcq_opr[OPR_CQD].offset = cqdao; + hba->mcq_opr[OPR_CQIS].offset = cqisao; + + for (i = 0; i < OPR_MAX; i++) { + opr = &hba->mcq_opr[i]; + opr->stride = 48; + opr->base = hba->mmio_base + opr->offset; + } + + return 0; +} + +static struct ufs_hba_variant_ops ufs_qemu_hba_vops = { + .name = "qemu-pci", + .get_hba_mac = ufs_qemu_get_hba_mac, + .mcq_config_resource = ufs_qemu_mcq_config_resource, + .op_runtime_config = ufs_qemu_op_runtime_config, +}; + static struct ufs_hba_variant_ops ufs_intel_cnl_hba_vops = { .name = "intel-pci", .init = ufs_intel_common_init, @@ -591,7 +636,8 @@ static const struct dev_pm_ops ufshcd_pci_pm_ops = { }; static const struct pci_device_id ufshcd_pci_tbl[] = { - { PCI_VENDOR_ID_REDHAT, 0x0013, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { PCI_VENDOR_ID_REDHAT, 0x0013, PCI_ANY_ID, PCI_ANY_ID, 0, 0, + (kernel_ulong_t)&ufs_qemu_hba_vops }, { PCI_VENDOR_ID_SAMSUNG, 0xC00C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, { PCI_VDEVICE(INTEL, 0x9DFA), (kernel_ulong_t)&ufs_intel_cnl_hba_vops }, { PCI_VDEVICE(INTEL, 0x4B41), (kernel_ulong_t)&ufs_intel_ehl_hba_vops }, @@ -602,6 +648,7 @@ static const struct pci_device_id ufshcd_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x7E47), (kernel_ulong_t)&ufs_intel_mtl_hba_vops }, { PCI_VDEVICE(INTEL, 0xA847), (kernel_ulong_t)&ufs_intel_mtl_hba_vops }, { PCI_VDEVICE(INTEL, 0x7747), (kernel_ulong_t)&ufs_intel_mtl_hba_vops }, + { PCI_VDEVICE(INTEL, 0xE447), (kernel_ulong_t)&ufs_intel_mtl_hba_vops }, { } /* terminate list */ }; diff --git a/include/ufs/ufs.h b/include/ufs/ufs.h index b6003749bc83..853e95957c31 100644 --- a/include/ufs/ufs.h +++ b/include/ufs/ufs.h @@ -592,6 +592,8 @@ struct ufs_dev_info { enum ufs_rtc_time rtc_type; time64_t rtc_time_baseline; u32 rtc_update_period; + + u8 rtt_cap; /* bDeviceRTTCap */ }; /* diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index bad88bd91995..9e0581115b34 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -295,6 +295,7 @@ struct ufs_pwr_mode_info { /** * struct ufs_hba_variant_ops - variant specific callbacks * @name: variant name + * @max_num_rtt: maximum RTT supported by the host * @init: called when the driver is initialized * @exit: called to cleanup everything done in init * @get_ufs_hci_version: called to get UFS HCI version @@ -332,6 +333,7 @@ struct ufs_pwr_mode_info { */ struct ufs_hba_variant_ops { const char *name; + int max_num_rtt; int (*init)(struct ufs_hba *); void (*exit)(struct ufs_hba *); u32 (*get_ufs_hci_version)(struct ufs_hba *); @@ -819,6 +821,7 @@ enum ufshcd_mcq_opr { * @capabilities: UFS Controller Capabilities * @mcq_capabilities: UFS Multi Circular Queue capabilities * @nutrs: Transfer Request Queue depth supported by controller + * @nortt - Max outstanding RTTs supported by controller * @nutmrs: Task Management Queue depth supported by controller * @reserved_slot: Used to submit device commands. Protected by @dev_cmd.lock. * @ufs_version: UFS Version to which controller complies @@ -957,6 +960,7 @@ struct ufs_hba { u32 capabilities; int nutrs; + int nortt; u32 mcq_capabilities; int nutmrs; u32 reserved_slot; @@ -1126,11 +1130,24 @@ struct ufs_hw_queue { struct mutex sq_mutex; }; +#define MCQ_QCFG_SIZE 0x40 + static inline bool is_mcq_enabled(struct ufs_hba *hba) { return hba->mcq_enabled; } +static inline unsigned int ufshcd_mcq_opr_offset(struct ufs_hba *hba, + enum ufshcd_mcq_opr opr, int idx) +{ + return hba->mcq_opr[opr].offset + hba->mcq_opr[opr].stride * idx; +} + +static inline unsigned int ufshcd_mcq_cfg_offset(unsigned int reg, int idx) +{ + return reg + MCQ_QCFG_SIZE * idx; +} + #ifdef CONFIG_SCSI_UFS_VARIABLE_SG_ENTRY_SIZE static inline size_t ufshcd_sg_entry_size(const struct ufs_hba *hba) { @@ -1261,6 +1278,7 @@ void ufshcd_update_evt_hist(struct ufs_hba *hba, u32 id, u32 val); void ufshcd_hba_stop(struct ufs_hba *hba); void ufshcd_schedule_eh_work(struct ufs_hba *hba); void ufshcd_mcq_config_mac(struct ufs_hba *hba, u32 max_active_cmds); +unsigned int ufshcd_mcq_queue_cfg_addr(struct ufs_hba *hba); u32 ufshcd_mcq_read_cqis(struct ufs_hba *hba, int i); void ufshcd_mcq_write_cqis(struct ufs_hba *hba, u32 val, int i); unsigned long ufshcd_mcq_poll_cqe_lock(struct ufs_hba *hba, diff --git a/include/ufs/ufshci.h b/include/ufs/ufshci.h index 385e1c6b8d60..c50f92bf2e1d 100644 --- a/include/ufs/ufshci.h +++ b/include/ufs/ufshci.h @@ -68,6 +68,7 @@ enum { /* Controller capability masks */ enum { MASK_TRANSFER_REQUESTS_SLOTS = 0x0000001F, + MASK_NUMBER_OUTSTANDING_RTT = 0x0000FF00, MASK_TASK_MANAGEMENT_REQUEST_SLOTS = 0x00070000, MASK_EHSLUTRD_SUPPORTED = 0x00400000, MASK_AUTO_HIBERN8_SUPPORT = 0x00800000, |