clock-names = "ahci_clk";
clocks = <&clk_s_c0_flexgen CLK_ICN_REG>;
+ ports-implemented = <0x1>;
+
status = "disabled";
};
clock-names = "ahci_clk";
clocks = <&clk_s_c0_flexgen CLK_ICN_REG>;
+ ports-implemented = <0x1>;
+
status = "disabled";
};
};
sata: sata@3200000 {
- compatible = "fsl,ls1043a-ahci", "fsl,ls1021a-ahci";
+ compatible = "fsl,ls1043a-ahci";
reg = <0x0 0x3200000 0x0 0x10000>;
interrupts = <0 69 0x4>;
clocks = <&clockgen 4 0>;
+ dma-coherent;
};
msi1: msi-controller1@1571000 {
reg = <0x0 0x3200000 0x0 0x10000>;
interrupts = <0 133 0x4>; /* Level high type */
clocks = <&clockgen 4 3>;
+ dma-coherent;
};
sata1: sata@3210000 {
reg = <0x0 0x3210000 0x0 0x10000>;
interrupts = <0 136 0x4>; /* Level high type */
clocks = <&clockgen 4 3>;
+ dma-coherent;
};
usb0: usb3@3100000 {
}
#endif
-/*
- * ahci_init_msix() - optionally enable per-port MSI-X otherwise defer
- * to single msi.
- */
-static int ahci_init_msix(struct pci_dev *pdev, unsigned int n_ports,
- struct ahci_host_priv *hpriv, unsigned long flags)
+static int ahci_get_irq_vector(struct ata_host *host, int port)
{
- int nvec, i, rc;
-
- /* Do not init MSI-X if MSI is disabled for the device */
- if (hpriv->flags & AHCI_HFLAG_NO_MSI)
- return -ENODEV;
-
- nvec = pci_msix_vec_count(pdev);
- if (nvec < 0)
- return nvec;
-
- /*
- * Proper MSI-X implementations will have a vector per-port.
- * Barring that, we prefer single-MSI over single-MSIX. If this
- * check fails (not enough MSI-X vectors for all ports) we will
- * be called again with the flag clear iff ahci_init_msi()
- * fails.
- */
- if (flags & AHCI_HFLAG_MULTI_MSIX) {
- if (nvec < n_ports)
- return -ENODEV;
- nvec = n_ports;
- } else if (nvec) {
- nvec = 1;
- } else {
- /*
- * Emit dev_err() since this was the non-legacy irq
- * method of last resort.
- */
- rc = -ENODEV;
- goto fail;
- }
-
- for (i = 0; i < nvec; i++)
- hpriv->msix[i].entry = i;
- rc = pci_enable_msix_exact(pdev, hpriv->msix, nvec);
- if (rc < 0)
- goto fail;
-
- if (nvec > 1)
- hpriv->flags |= AHCI_HFLAG_MULTI_MSIX;
- hpriv->irq = hpriv->msix[0].vector; /* for single msi-x */
-
- return nvec;
-fail:
- dev_err(&pdev->dev,
- "failed to enable MSI-X with error %d, # of vectors: %d\n",
- rc, nvec);
-
- return rc;
+ return pci_irq_vector(to_pci_dev(host->dev), port);
}
static int ahci_init_msi(struct pci_dev *pdev, unsigned int n_ports,
struct ahci_host_priv *hpriv)
{
- int rc, nvec;
+ int nvec;
if (hpriv->flags & AHCI_HFLAG_NO_MSI)
return -ENODEV;
- nvec = pci_msi_vec_count(pdev);
- if (nvec < 0)
- return nvec;
-
/*
* If number of MSIs is less than number of ports then Sharing Last
* Message mode could be enforced. In this case assume that advantage
* of multipe MSIs is negated and use single MSI mode instead.
*/
- if (nvec < n_ports)
- goto single_msi;
-
- rc = pci_enable_msi_exact(pdev, nvec);
- if (rc == -ENOSPC)
- goto single_msi;
- if (rc < 0)
- return rc;
+ nvec = pci_alloc_irq_vectors(pdev, n_ports, INT_MAX,
+ PCI_IRQ_MSIX | PCI_IRQ_MSI);
+ if (nvec > 0) {
+ if (!(readl(hpriv->mmio + HOST_CTL) & HOST_MRSM)) {
+ hpriv->get_irq_vector = ahci_get_irq_vector;
+ hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
+ return nvec;
+ }
- /* fallback to single MSI mode if the controller enforced MRSM mode */
- if (readl(hpriv->mmio + HOST_CTL) & HOST_MRSM) {
- pci_disable_msi(pdev);
+ /*
+ * Fallback to single MSI mode if the controller enforced MRSM
+ * mode.
+ */
printk(KERN_INFO "ahci: MRSM is on, fallback to single MSI\n");
- goto single_msi;
+ pci_free_irq_vectors(pdev);
}
- if (nvec > 1)
- hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
-
- goto out;
-
-single_msi:
- nvec = 1;
-
- rc = pci_enable_msi(pdev);
- if (rc < 0)
- return rc;
-out:
- hpriv->irq = pdev->irq;
-
- return nvec;
-}
-
-static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
- struct ahci_host_priv *hpriv)
-{
- int nvec;
-
/*
- * Try to enable per-port MSI-X. If the host is not capable
- * fall back to single MSI before finally attempting single
- * MSI-X.
+ * -ENOSPC indicated we don't have enough vectors. Don't bother trying
+ * a single vectors for any other error:
*/
- nvec = ahci_init_msix(pdev, n_ports, hpriv, AHCI_HFLAG_MULTI_MSIX);
- if (nvec >= 0)
+ if (nvec < 0 && nvec != -ENOSPC)
return nvec;
- nvec = ahci_init_msi(pdev, n_ports, hpriv);
- if (nvec >= 0)
- return nvec;
-
- /* try single-msix */
- nvec = ahci_init_msix(pdev, n_ports, hpriv, 0);
- if (nvec >= 0)
+ /*
+ * If the host is not capable of supporting per-port vectors, fall
+ * back to single MSI before finally attempting single MSI-X.
+ */
+ nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
+ if (nvec == 1)
return nvec;
-
- /* legacy intx interrupts */
- pci_intx(pdev, 1);
- hpriv->irq = pdev->irq;
-
- return 0;
+ return pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX);
}
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!host)
return -ENOMEM;
host->private_data = hpriv;
- hpriv->msix = devm_kzalloc(&pdev->dev,
- sizeof(struct msix_entry) * n_ports, GFP_KERNEL);
- if (!hpriv->msix)
- return -ENOMEM;
- ahci_init_interrupts(pdev, n_ports, hpriv);
+
+ if (ahci_init_msi(pdev, n_ports, hpriv) < 0) {
+ /* legacy intx interrupts */
+ pci_intx(pdev, 1);
+ }
+ hpriv->irq = pdev->irq;
if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
host->flags |= ATA_HOST_PARALLEL_SCAN;
AHCI_HFLAG_NO_FBS = (1 << 18), /* no FBS */
#ifdef CONFIG_PCI_MSI
- AHCI_HFLAG_MULTI_MSI = (1 << 20), /* multiple PCI MSIs */
- AHCI_HFLAG_MULTI_MSIX = (1 << 21), /* per-port MSI-X */
+ AHCI_HFLAG_MULTI_MSI = (1 << 20), /* per-port MSI(-X) */
#else
/* compile out MSI infrastructure */
AHCI_HFLAG_MULTI_MSI = 0,
- AHCI_HFLAG_MULTI_MSIX = 0,
#endif
AHCI_HFLAG_WAKE_BEFORE_STOP = (1 << 22), /* wake before DMA stop */
* the PHY position in this array.
*/
struct phy **phys;
- struct msix_entry *msix; /* Optional MSI-X support */
unsigned nports; /* Number of ports */
void *plat_data; /* Other platform data */
unsigned int irq; /* interrupt line */
*/
void (*start_engine)(struct ata_port *ap);
irqreturn_t (*irq_handler)(int irq, void *dev_instance);
-};
-#ifdef CONFIG_PCI_MSI
-static inline int ahci_irq_vector(struct ahci_host_priv *hpriv, int port)
-{
- if (hpriv->flags & AHCI_HFLAG_MULTI_MSIX)
- return hpriv->msix[port].vector;
- else
- return hpriv->irq + port;
-}
-#else
-static inline int ahci_irq_vector(struct ahci_host_priv *hpriv, int port)
-{
- return hpriv->irq;
-}
-#endif
+ /* only required for per-port MSI(-X) support */
+ int (*get_irq_vector)(struct ata_host *host,
+ int port);
+};
extern int ahci_ignore_sss;
#define PORT_PHY3 0xB0
#define PORT_PHY4 0xB4
#define PORT_PHY5 0xB8
+#define PORT_AXICC 0xBC
#define PORT_TRANS 0xC8
/* port register default value */
#define AHCI_PORT_PHY_1_CFG 0xa003fffe
#define AHCI_PORT_TRANS_CFG 0x08000029
+#define AHCI_PORT_AXICC_CFG 0x3fffffff
/* for ls1021a */
#define LS1021A_PORT_PHY2 0x28183414
#define LS1021A_PORT_PHY3 0x0e080e06
#define LS1021A_PORT_PHY4 0x064a080b
#define LS1021A_PORT_PHY5 0x2aa86470
+#define LS1021A_AXICC_ADDR 0xC0
#define SATA_ECC_DISABLE 0x00020000
-/* for ls1043a */
-#define LS1043A_PORT_PHY2 0x28184d1f
-#define LS1043A_PORT_PHY3 0x0e081509
-
enum ahci_qoriq_type {
AHCI_LS1021A,
AHCI_LS1043A,
writel(LS1021A_PORT_PHY4, reg_base + PORT_PHY4);
writel(LS1021A_PORT_PHY5, reg_base + PORT_PHY5);
writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
+ writel(AHCI_PORT_AXICC_CFG, reg_base + LS1021A_AXICC_ADDR);
break;
case AHCI_LS1043A:
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
- writel(LS1043A_PORT_PHY2, reg_base + PORT_PHY2);
- writel(LS1043A_PORT_PHY3, reg_base + PORT_PHY3);
writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
+ writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
break;
case AHCI_LS2080A:
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
+ writel(AHCI_PORT_AXICC_CFG, reg_base + PORT_AXICC);
break;
}
static int st_ahci_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct st_ahci_drv_data *drv_data;
struct ahci_host_priv *hpriv;
int err;
st_ahci_configure_oob(hpriv->mmio);
+ of_property_read_u32(dev->of_node,
+ "ports-implemented", &hpriv->force_port_map);
+
err = ahci_platform_init_host(pdev, hpriv, &st_ahci_port_info,
&ahci_platform_sht);
if (err) {
*/
for (i = 0; i < host->n_ports; i++) {
struct ahci_port_priv *pp = host->ports[i]->private_data;
- int irq = ahci_irq_vector(hpriv, i);
+ int irq = hpriv->get_irq_vector(host, i);
/* Do not receive interrupts sent by dummy ports */
if (!pp) {
int irq = hpriv->irq;
int rc;
- if (hpriv->flags & (AHCI_HFLAG_MULTI_MSI | AHCI_HFLAG_MULTI_MSIX)) {
+ if (hpriv->flags & AHCI_HFLAG_MULTI_MSI) {
if (hpriv->irq_handler)
dev_warn(host->dev,
"both AHCI_HFLAG_MULTI_MSI flag set and custom irq handler implemented\n");
+ if (!hpriv->get_irq_vector) {
+ dev_err(host->dev,
+ "AHCI_HFLAG_MULTI_MSI requires ->get_irq_vector!\n");
+ return -EIO;
+ }
rc = ahci_host_activate_multi_irqs(host, sht);
} else {
{
sdev->use_10_for_rw = 1;
sdev->use_10_for_ms = 1;
- sdev->no_report_opcodes = 1;
- sdev->no_write_same = 1;
/* Schedule policy is determined by ->qc_defer() callback and
* it needs to see every deferred qc. Set dev_blocked to 1 to
return 1;
}
+/**
+ * ata_format_dsm_trim_descr() - SATL Write Same to DSM Trim
+ * @cmd: SCSI command being translated
+ * @trmax: Maximum number of entries that will fit in sector_size bytes.
+ * @sector: Starting sector
+ * @count: Total Range of request in logical sectors
+ *
+ * Rewrite the WRITE SAME descriptor to be a DSM TRIM little-endian formatted
+ * descriptor.
+ *
+ * Upto 64 entries of the format:
+ * 63:48 Range Length
+ * 47:0 LBA
+ *
+ * Range Length of 0 is ignored.
+ * LBA's should be sorted order and not overlap.
+ *
+ * NOTE: this is the same format as ADD LBA(S) TO NV CACHE PINNED SET
+ *
+ * Return: Number of bytes copied into sglist.
+ */
+static size_t ata_format_dsm_trim_descr(struct scsi_cmnd *cmd, u32 trmax,
+ u64 sector, u32 count)
+{
+ struct scsi_device *sdp = cmd->device;
+ size_t len = sdp->sector_size;
+ size_t r;
+ __le64 *buf;
+ u32 i = 0;
+ unsigned long flags;
+
+ WARN_ON(len > ATA_SCSI_RBUF_SIZE);
+
+ if (len > ATA_SCSI_RBUF_SIZE)
+ len = ATA_SCSI_RBUF_SIZE;
+
+ spin_lock_irqsave(&ata_scsi_rbuf_lock, flags);
+ buf = ((void *)ata_scsi_rbuf);
+ memset(buf, 0, len);
+ while (i < trmax) {
+ u64 entry = sector |
+ ((u64)(count > 0xffff ? 0xffff : count) << 48);
+ buf[i++] = __cpu_to_le64(entry);
+ if (count <= 0xffff)
+ break;
+ count -= 0xffff;
+ sector += 0xffff;
+ }
+ r = sg_copy_from_buffer(scsi_sglist(cmd), scsi_sg_count(cmd), buf, len);
+ spin_unlock_irqrestore(&ata_scsi_rbuf_lock, flags);
+
+ return r;
+}
+
+/**
+ * ata_format_dsm_trim_descr() - SATL Write Same to ATA SCT Write Same
+ * @cmd: SCSI command being translated
+ * @lba: Starting sector
+ * @num: Number of sectors to be zero'd.
+ *
+ * Rewrite the WRITE SAME payload to be an SCT Write Same formatted
+ * descriptor.
+ * NOTE: Writes a pattern (0's) in the foreground.
+ *
+ * Return: Number of bytes copied into sglist.
+ */
+static size_t ata_format_sct_write_same(struct scsi_cmnd *cmd, u64 lba, u64 num)
+{
+ struct scsi_device *sdp = cmd->device;
+ size_t len = sdp->sector_size;
+ size_t r;
+ u16 *buf;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ata_scsi_rbuf_lock, flags);
+ buf = ((void *)ata_scsi_rbuf);
+
+ put_unaligned_le16(0x0002, &buf[0]); /* SCT_ACT_WRITE_SAME */
+ put_unaligned_le16(0x0101, &buf[1]); /* WRITE PTRN FG */
+ put_unaligned_le64(lba, &buf[2]);
+ put_unaligned_le64(num, &buf[6]);
+ put_unaligned_le32(0u, &buf[10]); /* pattern */
+
+ WARN_ON(len > ATA_SCSI_RBUF_SIZE);
+
+ if (len > ATA_SCSI_RBUF_SIZE)
+ len = ATA_SCSI_RBUF_SIZE;
+
+ r = sg_copy_from_buffer(scsi_sglist(cmd), scsi_sg_count(cmd), buf, len);
+ spin_unlock_irqrestore(&ata_scsi_rbuf_lock, flags);
+
+ return r;
+}
+
+/**
+ * ata_scsi_write_same_xlat() - SATL Write Same to ATA SCT Write Same
+ * @qc: Command to be translated
+ *
+ * Translate a SCSI WRITE SAME command to be either a DSM TRIM command or
+ * an SCT Write Same command.
+ * Based on WRITE SAME has the UNMAP flag
+ * When set translate to DSM TRIM
+ * When clear translate to SCT Write Same
+ */
static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc)
{
struct ata_taskfile *tf = &qc->tf;
struct scsi_cmnd *scmd = qc->scsicmd;
+ struct scsi_device *sdp = scmd->device;
+ size_t len = sdp->sector_size;
struct ata_device *dev = qc->dev;
const u8 *cdb = scmd->cmnd;
u64 block;
u32 n_block;
+ const u32 trmax = len >> 3;
u32 size;
- void *buf;
u16 fp;
u8 bp = 0xff;
+ u8 unmap = cdb[1] & 0x8;
/* we may not issue DMA commands if no DMA mode is set */
if (unlikely(!dev->dma_mode))
}
scsi_16_lba_len(cdb, &block, &n_block);
- /* for now we only support WRITE SAME with the unmap bit set */
- if (unlikely(!(cdb[1] & 0x8))) {
- fp = 1;
- bp = 3;
- goto invalid_fld;
+ if (unmap) {
+ /* If trim is not enabled the cmd is invalid. */
+ if ((dev->horkage & ATA_HORKAGE_NOTRIM) ||
+ !ata_id_has_trim(dev->id)) {
+ fp = 1;
+ bp = 3;
+ goto invalid_fld;
+ }
+ /* If the request is too large the cmd is invalid */
+ if (n_block > 0xffff * trmax) {
+ fp = 2;
+ goto invalid_fld;
+ }
+ } else {
+ /* If write same is not available the cmd is invalid */
+ if (!ata_id_sct_write_same(dev->id)) {
+ fp = 1;
+ bp = 3;
+ goto invalid_fld;
+ }
}
/*
if (!scsi_sg_count(scmd))
goto invalid_param_len;
- buf = page_address(sg_page(scsi_sglist(scmd)));
-
- if (n_block <= 65535 * ATA_MAX_TRIM_RNUM) {
- size = ata_set_lba_range_entries(buf, ATA_MAX_TRIM_RNUM, block, n_block);
- } else {
- fp = 2;
- goto invalid_fld;
- }
+ /*
+ * size must match sector size in bytes
+ * For DATA SET MANAGEMENT TRIM in ACS-2 nsect (aka count)
+ * is defined as number of 512 byte blocks to be transferred.
+ */
+ if (unmap) {
+ size = ata_format_dsm_trim_descr(scmd, trmax, block, n_block);
+ if (size != len)
+ goto invalid_param_len;
- if (ata_ncq_enabled(dev) && ata_fpdma_dsm_supported(dev)) {
- /* Newer devices support queued TRIM commands */
- tf->protocol = ATA_PROT_NCQ;
- tf->command = ATA_CMD_FPDMA_SEND;
- tf->hob_nsect = ATA_SUBCMD_FPDMA_SEND_DSM & 0x1f;
- tf->nsect = qc->tag << 3;
- tf->hob_feature = (size / 512) >> 8;
- tf->feature = size / 512;
+ if (ata_ncq_enabled(dev) && ata_fpdma_dsm_supported(dev)) {
+ /* Newer devices support queued TRIM commands */
+ tf->protocol = ATA_PROT_NCQ;
+ tf->command = ATA_CMD_FPDMA_SEND;
+ tf->hob_nsect = ATA_SUBCMD_FPDMA_SEND_DSM & 0x1f;
+ tf->nsect = qc->tag << 3;
+ tf->hob_feature = (size / 512) >> 8;
+ tf->feature = size / 512;
- tf->auxiliary = 1;
+ tf->auxiliary = 1;
+ } else {
+ tf->protocol = ATA_PROT_DMA;
+ tf->hob_feature = 0;
+ tf->feature = ATA_DSM_TRIM;
+ tf->hob_nsect = (size / 512) >> 8;
+ tf->nsect = size / 512;
+ tf->command = ATA_CMD_DSM;
+ }
} else {
- tf->protocol = ATA_PROT_DMA;
+ size = ata_format_sct_write_same(scmd, block, n_block);
+ if (size != len)
+ goto invalid_param_len;
+
tf->hob_feature = 0;
- tf->feature = ATA_DSM_TRIM;
- tf->hob_nsect = (size / 512) >> 8;
- tf->nsect = size / 512;
- tf->command = ATA_CMD_DSM;
+ tf->feature = 0;
+ tf->hob_nsect = 0;
+ tf->nsect = 1;
+ tf->lbah = 0;
+ tf->lbam = 0;
+ tf->lbal = ATA_CMD_STANDBYNOW1;
+ tf->hob_lbah = 0;
+ tf->hob_lbam = 0;
+ tf->hob_lbal = 0;
+ tf->device = ATA_CMD_STANDBYNOW1;
+ tf->protocol = ATA_PROT_DMA;
+ tf->command = ATA_CMD_WRITE_LOG_DMA_EXT;
+ if (unlikely(dev->flags & ATA_DFLAG_PIO))
+ tf->command = ATA_CMD_WRITE_LOG_EXT;
}
tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_LBA48 |
return 1;
}
+/**
+ * ata_scsiop_maint_in - Simulate a subset of MAINTENANCE_IN
+ * @args: device MAINTENANCE_IN data / SCSI command of interest.
+ * @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
+ *
+ * Yields a subset to satisfy scsi_report_opcode()
+ *
+ * LOCKING:
+ * spin_lock_irqsave(host lock)
+ */
+static unsigned int ata_scsiop_maint_in(struct ata_scsi_args *args, u8 *rbuf)
+{
+ struct ata_device *dev = args->dev;
+ u8 *cdb = args->cmd->cmnd;
+ u8 supported = 0;
+ unsigned int err = 0;
+
+ if (cdb[2] != 1) {
+ ata_dev_warn(dev, "invalid command format %d\n", cdb[2]);
+ err = 2;
+ goto out;
+ }
+ switch (cdb[3]) {
+ case INQUIRY:
+ case MODE_SENSE:
+ case MODE_SENSE_10:
+ case READ_CAPACITY:
+ case SERVICE_ACTION_IN_16:
+ case REPORT_LUNS:
+ case REQUEST_SENSE:
+ case SYNCHRONIZE_CACHE:
+ case REZERO_UNIT:
+ case SEEK_6:
+ case SEEK_10:
+ case TEST_UNIT_READY:
+ case SEND_DIAGNOSTIC:
+ case MAINTENANCE_IN:
+ case READ_6:
+ case READ_10:
+ case READ_16:
+ case WRITE_6:
+ case WRITE_10:
+ case WRITE_16:
+ case ATA_12:
+ case ATA_16:
+ case VERIFY:
+ case VERIFY_16:
+ case MODE_SELECT:
+ case MODE_SELECT_10:
+ case START_STOP:
+ supported = 3;
+ break;
+ case WRITE_SAME_16:
+ if (!ata_id_sct_write_same(dev->id))
+ break;
+ /* fallthrough: if SCT ... only enable for ZBC */
+ case ZBC_IN:
+ case ZBC_OUT:
+ if (ata_id_zoned_cap(dev->id) ||
+ dev->class == ATA_DEV_ZAC)
+ supported = 3;
+ break;
+ default:
+ break;
+ }
+out:
+ rbuf[1] = supported; /* supported */
+ return err;
+}
+
/**
* ata_scsi_report_zones_complete - convert ATA output
* @qc: command structure returning the data
{
struct ata_taskfile *tf = &qc->tf;
struct ata_device *dev = qc->dev;
- char mpage[CACHE_MPAGE_LEN];
+ u8 mpage[CACHE_MPAGE_LEN];
u8 wce;
int i;
const u8 *buf, int len, u16 *fp)
{
struct ata_device *dev = qc->dev;
- char mpage[CONTROL_MPAGE_LEN];
+ u8 mpage[CONTROL_MPAGE_LEN];
u8 d_sense;
int i;
dev->flags |= ATA_DFLAG_D_SENSE;
else
dev->flags &= ~ATA_DFLAG_D_SENSE;
- qc->scsicmd->result = SAM_STAT_GOOD;
- qc->scsicmd->scsi_done(qc->scsicmd);
return 0;
}
if (ata_mselect_control(qc, p, pg_len, &fp) < 0) {
fp += hdr_len + bd_len;
goto invalid_param;
+ } else {
+ goto skip; /* No ATA command to send */
}
break;
default: /* invalid page code */
ata_scsi_invalid_field(dev, cmd, 1);
break;
+ case MAINTENANCE_IN:
+ if (scsicmd[1] == MI_REPORT_SUPPORTED_OPERATION_CODES)
+ ata_scsi_rbuf_fill(&args, ata_scsiop_maint_in);
+ else
+ ata_scsi_invalid_field(dev, cmd, 1);
+ break;
+
/* all other commands */
default:
ata_scsi_set_sense(dev, cmd, ILLEGAL_REQUEST, 0x20, 0x0);
shost->max_lun = 1;
shost->max_channel = 1;
shost->max_cmd_len = 16;
- shost->no_write_same = 1;
/* Schedule policy is determined by ->qc_defer()
* callback and it needs to see every deferred qc.
ATA_ID_CFA_KEY_MGMT = 162,
ATA_ID_CFA_MODES = 163,
ATA_ID_DATA_SET_MGMT = 169,
+ ATA_ID_SCT_CMD_XPORT = 206,
ATA_ID_ROT_SPEED = 217,
ATA_ID_PIO4 = (1 << 1),
return id[ATA_ID_COMMAND_SET_4] & (1 << 6);
}
+/**
+ *
+ * Word: 206 - SCT Command Transport
+ * 15:12 - Vendor Specific
+ * 11:6 - Reserved
+ * 5 - SCT Command Transport Data Tables supported
+ * 4 - SCT Command Transport Features Control supported
+ * 3 - SCT Command Transport Error Recovery Control supported
+ * 2 - SCT Command Transport Write Same supported
+ * 1 - SCT Command Transport Long Sector Access supported
+ * 0 - SCT Command Transport supported
+ */
+static inline bool ata_id_sct_data_tables(const u16 *id)
+{
+ return id[ATA_ID_SCT_CMD_XPORT] & (1 << 5) ? true : false;
+}
+
+static inline bool ata_id_sct_features_ctrl(const u16 *id)
+{
+ return id[ATA_ID_SCT_CMD_XPORT] & (1 << 4) ? true : false;
+}
+
+static inline bool ata_id_sct_error_recovery_ctrl(const u16 *id)
+{
+ return id[ATA_ID_SCT_CMD_XPORT] & (1 << 3) ? true : false;
+}
+
+static inline bool ata_id_sct_write_same(const u16 *id)
+{
+ return id[ATA_ID_SCT_CMD_XPORT] & (1 << 2) ? true : false;
+}
+
+static inline bool ata_id_sct_long_sector_access(const u16 *id)
+{
+ return id[ATA_ID_SCT_CMD_XPORT] & (1 << 1) ? true : false;
+}
+
+static inline bool ata_id_sct_supported(const u16 *id)
+{
+ return id[ATA_ID_SCT_CMD_XPORT] & (1 << 0) ? true : false;
+}
+
/**
* ata_id_major_version - get ATA level of drive
* @id: Identify data
#endif
}
-/*
- * Write LBA Range Entries to the buffer that will cover the extent from
- * sector to sector + count. This is used for TRIM and for ADD LBA(S)
- * TO NV CACHE PINNED SET.
- */
-static inline unsigned ata_set_lba_range_entries(void *_buffer,
- unsigned num, u64 sector, unsigned long count)
-{
- __le64 *buffer = _buffer;
- unsigned i = 0, used_bytes;
-
- while (i < num) {
- u64 entry = sector |
- ((u64)(count > 0xffff ? 0xffff : count) << 48);
- buffer[i++] = __cpu_to_le64(entry);
- if (count <= 0xffff)
- break;
- count -= 0xffff;
- sector += 0xffff;
- }
-
- used_bytes = ALIGN(i * 8, 512);
- memset(buffer + i, 0, used_bytes - i * 8);
- return used_bytes;
-}
-
static inline bool ata_ok(u8 status)
{
return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR))
projects / deliverable / linux.git / commitdiff
