From: Marc Carino <marc.ceeeee@xxxxxxxxx> Add support for the following ATA opcodes, which are present in SATA 3.1 and T13 ATA ACS-3: SEND FPDMA QUEUED RECEIVE FPDMA QUEUED Signed-off-by: Marc Carino <marc.ceeeee@xxxxxxxxx> --- drivers/ata/ahci.h | 8 ++++++++ drivers/ata/libahci.c | 1 + drivers/ata/libata-core.c | 15 +++++++++++++++ include/linux/ata.h | 23 +++++++++++++++++++++++ include/linux/libata.h | 6 ++++++ 5 files changed, 53 insertions(+) diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index 1145637..f9e4fd8 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -388,4 +388,12 @@ static inline int ahci_nr_ports(u32 cap) return (cap & 0x1f) + 1; } +static inline void ahci_h2dfis_set_auxiliary(u8 *fis, u32 aux) +{ + fis[16] = aux & 0xff; + fis[17] = (aux >> 8) & 0xff; + fis[18] = (aux >> 16) & 0xff; + fis[19] = (aux >> 24) & 0xff; +} + #endif /* _AHCI_H */ diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index acfd0f7..52668f4 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1499,6 +1499,7 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc) cmd_tbl = pp->cmd_tbl + qc->tag * AHCI_CMD_TBL_SZ; ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, cmd_tbl); + ahci_h2dfis_set_auxiliary(cmd_tbl, qc->auxiliary); if (is_atapi) { memset(cmd_tbl + AHCI_CMD_TBL_CDB, 0, 32); memcpy(cmd_tbl + AHCI_CMD_TBL_CDB, qc->cdb, qc->dev->cdb_len); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index c24354d..b0a0b5c 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2103,6 +2103,7 @@ static int ata_dev_config_ncq(struct ata_device *dev, int hdepth = 0, ddepth = ata_id_queue_depth(dev->id); unsigned int err_mask; char *aa_desc = ""; + u8 sata_setting[ATA_SECT_SIZE]; if (!ata_id_has_ncq(dev->id)) { desc[0] = '\0'; @@ -2139,6 +2140,20 @@ static int ata_dev_config_ncq(struct ata_device *dev, else snprintf(desc, desc_sz, "NCQ (depth %d/%d)%s", hdepth, ddepth, aa_desc); + + if (ata_id_has_ncq_send_and_recv(dev->id)) { + err_mask = ata_read_log_page(dev, + ATA_LOG_NCQ_SEND_RECV, + 0, + sata_setting, + 1); + if (!err_mask) { + dev->flags |= ATA_DFLAG_NCQ_SEND_RECV; + memcpy(dev->ncq_send_recv_cmds, sata_setting, + ATA_LOG_NCQ_SEND_RECV_SIZE); + } + } + return 0; } diff --git a/include/linux/ata.h b/include/linux/ata.h index ee0bd95..9dba217 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -239,6 +239,8 @@ enum { ATA_CMD_WRITE_QUEUED_FUA_EXT = 0x3E, ATA_CMD_FPDMA_READ = 0x60, ATA_CMD_FPDMA_WRITE = 0x61, + ATA_CMD_FPDMA_SEND = 0x64, + ATA_CMD_FPDMA_RECV = 0x65, ATA_CMD_PIO_READ = 0x20, ATA_CMD_PIO_READ_EXT = 0x24, ATA_CMD_PIO_WRITE = 0x30, @@ -293,8 +295,13 @@ enum { /* marked obsolete in the ATA/ATAPI-7 spec */ ATA_CMD_RESTORE = 0x10, + /* Subcmds for ATA_CMD_FPDMA_SEND */ + ATA_SUBCMD_FPDMA_SEND_DSM = 0x00, + ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT = 0x02, + /* READ_LOG_EXT pages */ ATA_LOG_SATA_NCQ = 0x10, + ATA_LOG_NCQ_SEND_RECV = 0x13, ATA_LOG_SATA_ID_DEV_DATA = 0x30, ATA_LOG_SATA_SETTINGS = 0x08, ATA_LOG_DEVSLP_OFFSET = 0x30, @@ -305,6 +312,15 @@ enum { ATA_LOG_DEVSLP_VALID = 0x07, ATA_LOG_DEVSLP_VALID_MASK = 0x80, + /* NCQ send and receive log */ + ATA_LOG_NCQ_SEND_RECV_SUBCMDS_OFFSET = 0x00, + ATA_LOG_NCQ_SEND_RECV_SUBCMDS_DSM = (1 << 0), + ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET = 0x04, + ATA_LOG_NCQ_SEND_RECV_DSM_TRIM = (1 << 0), + ATA_LOG_NCQ_SEND_RECV_RD_LOG_OFFSET = 0x08, + ATA_LOG_NCQ_SEND_RECV_WR_LOG_OFFSET = 0x0C, + ATA_LOG_NCQ_SEND_RECV_SIZE = 0x10, + /* READ/WRITE LONG (obsolete) */ ATA_CMD_READ_LONG = 0x22, ATA_CMD_READ_LONG_ONCE = 0x23, @@ -865,6 +881,13 @@ static inline int ata_id_rotation_rate(const u16 *id) return val; } +static inline bool ata_id_has_ncq_send_and_recv(const u16 *id) +{ + if (id[ATA_ID_SATA_CAPABILITY_2] & BIT(6)) + return true; + return false; +} + static inline bool ata_id_has_trim(const u16 *id) { if (ata_id_major_version(id) >= 7 && diff --git a/include/linux/libata.h b/include/linux/libata.h index 4ea55bb..7ec83b7 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -164,6 +164,7 @@ enum { ATA_DFLAG_DA = (1 << 26), /* device supports Device Attention */ ATA_DFLAG_DEVSLP = (1 << 27), /* device supports Device Sleep */ ATA_DFLAG_ACPI_DISABLED = (1 << 28), /* ACPI for the device is disabled */ + ATA_DFLAG_NCQ_SEND_RECV = (1 << 29), /* device supports NCQ SEND and RECV */ ATA_DEV_UNKNOWN = 0, /* unknown device */ ATA_DEV_ATA = 1, /* ATA device */ @@ -565,6 +566,7 @@ struct ata_queued_cmd { struct ata_taskfile tf; u8 cdb[ATAPI_CDB_LEN]; + u32 auxiliary; unsigned long flags; /* ATA_QCFLAG_xxx */ unsigned int tag; @@ -660,6 +662,9 @@ struct ata_device { /* DEVSLP Timing Variables from Identify Device Data Log */ u8 devslp_timing[ATA_LOG_DEVSLP_SIZE]; + /* NCQ send and receive log subcommand support */ + u8 ncq_send_recv_cmds[ATA_LOG_NCQ_SEND_RECV_SIZE]; + /* error history */ int spdn_cnt; /* ering is CLEAR_END, read comment above CLEAR_END */ @@ -1556,6 +1561,7 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc) qc->n_elem = 0; qc->err_mask = 0; qc->sect_size = ATA_SECT_SIZE; + qc->auxiliary = 0; ata_tf_init(qc->dev, &qc->tf); -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html