::
- void (*qc_prep) (struct ata_queued_cmd *qc);
+ enum ata_completion_errors (*qc_prep) (struct ata_queued_cmd *qc);
int (*qc_issue) (struct ata_queued_cmd *qc);
__le32 size; /* bit 31 (EOT) max==0x10000 (64k) */
};
-static void acard_ahci_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc);
static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
static int acard_ahci_port_start(struct ata_port *ap);
static int acard_ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
return si;
}
-static void acard_ahci_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ahci_port_priv *pp = ap->private_data;
opts |= AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH;
ahci_fill_cmd_slot(pp, qc->hw_tag, opts);
+
+ return AC_ERR_OK;
}
static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
static int ahci_port_start(struct ata_port *ap);
static void ahci_port_stop(struct ata_port *ap);
-static void ahci_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors ahci_qc_prep(struct ata_queued_cmd *qc);
static int ahci_pmp_qc_defer(struct ata_queued_cmd *qc);
static void ahci_freeze(struct ata_port *ap);
static void ahci_thaw(struct ata_port *ap);
return sata_pmp_qc_defer_cmd_switch(qc);
}
-static void ahci_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors ahci_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ahci_port_priv *pp = ap->private_data;
opts |= AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH;
ahci_fill_cmd_slot(pp, qc->hw_tag, opts);
+
+ return AC_ERR_OK;
}
static void ahci_fbs_dec_intr(struct ata_port *ap)
return ATA_DEFER_LINK;
}
-void ata_noop_qc_prep(struct ata_queued_cmd *qc) { }
+enum ata_completion_errors ata_noop_qc_prep(struct ata_queued_cmd *qc)
+{
+ return AC_ERR_OK;
+}
/**
* ata_sg_init - Associate command with scatter-gather table.
return;
}
- ap->ops->qc_prep(qc);
+ qc->err_mask |= ap->ops->qc_prep(qc);
+ if (unlikely(qc->err_mask))
+ goto err;
trace_ata_qc_issue(qc);
qc->err_mask |= ap->ops->qc_issue(qc);
if (unlikely(qc->err_mask))
* LOCKING:
* spin_lock_irqsave(host lock)
*/
-void ata_bmdma_qc_prep(struct ata_queued_cmd *qc)
+enum ata_completion_errors ata_bmdma_qc_prep(struct ata_queued_cmd *qc)
{
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
ata_bmdma_fill_sg(qc);
+
+ return AC_ERR_OK;
}
EXPORT_SYMBOL_GPL(ata_bmdma_qc_prep);
* LOCKING:
* spin_lock_irqsave(host lock)
*/
-void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc)
+enum ata_completion_errors ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc)
{
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
ata_bmdma_fill_sg_dumb(qc);
+
+ return AC_ERR_OK;
}
EXPORT_SYMBOL_GPL(ata_bmdma_dumb_qc_prep);
return ATA_CBL_PATA40;
}
-static void pata_macio_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc)
{
unsigned int write = (qc->tf.flags & ATA_TFLAG_WRITE);
struct ata_port *ap = qc->ap;
__func__, qc, qc->flags, write, qc->dev->devno);
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
table = (struct dbdma_cmd *) priv->dma_table_cpu;
table->command = cpu_to_le16(DBDMA_STOP);
dev_dbgdma(priv->dev, "%s: %d DMA list entries\n", __func__, pi);
+
+ return AC_ERR_OK;
}
/*
* Prepare taskfile for submission.
*/
-static void pxa_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors pxa_qc_prep(struct ata_queued_cmd *qc)
{
struct pata_pxa_data *pd = qc->ap->private_data;
struct dma_async_tx_descriptor *tx;
enum dma_transfer_direction dir;
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
dir = (qc->dma_dir == DMA_TO_DEVICE ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM);
tx = dmaengine_prep_slave_sg(pd->dma_chan, qc->sg, qc->n_elem, dir,
DMA_PREP_INTERRUPT);
if (!tx) {
ata_dev_err(qc->dev, "prep_slave_sg() failed\n");
- return;
+ return AC_ERR_OK;
}
tx->callback = pxa_ata_dma_irq;
tx->callback_param = pd;
pd->dma_cookie = dmaengine_submit(tx);
+
+ return AC_ERR_OK;
}
/*
const struct pci_device_id *ent);
static int adma_port_start(struct ata_port *ap);
static void adma_port_stop(struct ata_port *ap);
-static void adma_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors adma_qc_prep(struct ata_queued_cmd *qc);
static unsigned int adma_qc_issue(struct ata_queued_cmd *qc);
static int adma_check_atapi_dma(struct ata_queued_cmd *qc);
static void adma_freeze(struct ata_port *ap);
return i;
}
-static void adma_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors adma_qc_prep(struct ata_queued_cmd *qc)
{
struct adma_port_priv *pp = qc->ap->private_data;
u8 *buf = pp->pkt;
adma_enter_reg_mode(qc->ap);
if (qc->tf.protocol != ATA_PROT_DMA)
- return;
+ return AC_ERR_OK;
buf[i++] = 0; /* Response flags */
buf[i++] = 0; /* reserved */
printk("%s\n", obuf);
}
#endif
+ return AC_ERR_OK;
}
static inline void adma_packet_start(struct ata_queued_cmd *qc)
return num_prde;
}
-static void sata_fsl_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors sata_fsl_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct sata_fsl_port_priv *pp = ap->private_data;
VPRINTK("SATA FSL : xx_qc_prep, di = 0x%x, ttl = %d, num_prde = %d\n",
desc_info, ttl_dwords, num_prde);
+
+ return AC_ERR_OK;
}
static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc)
prd[-1].flags |= PRD_END;
}
-static void inic_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors inic_qc_prep(struct ata_queued_cmd *qc)
{
struct inic_port_priv *pp = qc->ap->private_data;
struct inic_pkt *pkt = pp->pkt;
inic_fill_sg(prd, qc);
pp->cpb_tbl[0] = pp->pkt_dma;
+
+ return AC_ERR_OK;
}
static unsigned int inic_qc_issue(struct ata_queued_cmd *qc)
static int mv_port_start(struct ata_port *ap);
static void mv_port_stop(struct ata_port *ap);
static int mv_qc_defer(struct ata_queued_cmd *qc);
-static void mv_qc_prep(struct ata_queued_cmd *qc);
-static void mv_qc_prep_iie(struct ata_queued_cmd *qc);
+static enum ata_completion_errors mv_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors mv_qc_prep_iie(struct ata_queued_cmd *qc);
static unsigned int mv_qc_issue(struct ata_queued_cmd *qc);
static int mv_hardreset(struct ata_link *link, unsigned int *class,
unsigned long deadline);
* LOCKING:
* Inherited from caller.
*/
-static void mv_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors mv_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct mv_port_priv *pp = ap->private_data;
switch (tf->protocol) {
case ATA_PROT_DMA:
if (tf->command == ATA_CMD_DSM)
- return;
+ return AC_ERR_OK;
/* fall-thru */
case ATA_PROT_NCQ:
break; /* continue below */
case ATA_PROT_PIO:
mv_rw_multi_errata_sata24(qc);
- return;
+ return AC_ERR_OK;
default:
- return;
+ return AC_ERR_OK;
}
/* Fill in command request block
mv_crqb_pack_cmd(cw++, tf->command, ATA_REG_CMD, 1); /* last */
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
mv_fill_sg(qc);
+
+ return AC_ERR_OK;
}
/**
* LOCKING:
* Inherited from caller.
*/
-static void mv_qc_prep_iie(struct ata_queued_cmd *qc)
+static enum ata_completion_errors mv_qc_prep_iie(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct mv_port_priv *pp = ap->private_data;
if ((tf->protocol != ATA_PROT_DMA) &&
(tf->protocol != ATA_PROT_NCQ))
- return;
+ return AC_ERR_OK;
if (tf->command == ATA_CMD_DSM)
- return; /* use bmdma for this */
+ return AC_ERR_OK; /* use bmdma for this */
/* Fill in Gen IIE command request block */
if (!(tf->flags & ATA_TFLAG_WRITE))
);
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
mv_fill_sg(qc);
+
+ return AC_ERR_OK;
}
/**
static void nv_ck804_thaw(struct ata_port *ap);
static int nv_adma_slave_config(struct scsi_device *sdev);
static int nv_adma_check_atapi_dma(struct ata_queued_cmd *qc);
-static void nv_adma_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors nv_adma_qc_prep(struct ata_queued_cmd *qc);
static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc);
static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance);
static void nv_adma_irq_clear(struct ata_port *ap);
static void nv_swncq_error_handler(struct ata_port *ap);
static int nv_swncq_slave_config(struct scsi_device *sdev);
static int nv_swncq_port_start(struct ata_port *ap);
-static void nv_swncq_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors nv_swncq_qc_prep(struct ata_queued_cmd *qc);
static void nv_swncq_fill_sg(struct ata_queued_cmd *qc);
static unsigned int nv_swncq_qc_issue(struct ata_queued_cmd *qc);
static void nv_swncq_irq_clear(struct ata_port *ap, u16 fis);
return 1;
}
-static void nv_adma_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors nv_adma_qc_prep(struct ata_queued_cmd *qc)
{
struct nv_adma_port_priv *pp = qc->ap->private_data;
struct nv_adma_cpb *cpb = &pp->cpb[qc->hw_tag];
(qc->flags & ATA_QCFLAG_DMAMAP));
nv_adma_register_mode(qc->ap);
ata_bmdma_qc_prep(qc);
- return;
+ return AC_ERR_OK;
}
cpb->resp_flags = NV_CPB_RESP_DONE;
cpb->ctl_flags = ctl_flags;
wmb();
cpb->resp_flags = 0;
+
+ return AC_ERR_OK;
}
static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc)
return 0;
}
-static void nv_swncq_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors nv_swncq_qc_prep(struct ata_queued_cmd *qc)
{
if (qc->tf.protocol != ATA_PROT_NCQ) {
ata_bmdma_qc_prep(qc);
- return;
+ return AC_ERR_OK;
}
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
nv_swncq_fill_sg(qc);
+
+ return AC_ERR_OK;
}
static void nv_swncq_fill_sg(struct ata_queued_cmd *qc)
static int pdc_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
static int pdc_common_port_start(struct ata_port *ap);
static int pdc_sata_port_start(struct ata_port *ap);
-static void pdc_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc);
static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static int pdc_check_atapi_dma(struct ata_queued_cmd *qc);
prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
}
-static void pdc_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc)
{
struct pdc_port_priv *pp = qc->ap->private_data;
unsigned int i;
default:
break;
}
+
+ return AC_ERR_OK;
}
static int pdc_is_sataii_tx4(unsigned long flags)
static int qs_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
static int qs_port_start(struct ata_port *ap);
static void qs_host_stop(struct ata_host *host);
-static void qs_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors qs_qc_prep(struct ata_queued_cmd *qc);
static unsigned int qs_qc_issue(struct ata_queued_cmd *qc);
static int qs_check_atapi_dma(struct ata_queued_cmd *qc);
static void qs_freeze(struct ata_port *ap);
return si;
}
-static void qs_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors qs_qc_prep(struct ata_queued_cmd *qc)
{
struct qs_port_priv *pp = qc->ap->private_data;
u8 dflags = QS_DF_PORD, *buf = pp->pkt;
qs_enter_reg_mode(qc->ap);
if (qc->tf.protocol != ATA_PROT_DMA)
- return;
+ return AC_ERR_OK;
nelem = qs_fill_sg(qc);
/* frame information structure (FIS) */
ata_tf_to_fis(&qc->tf, 0, 1, &buf[32]);
+
+ return AC_ERR_OK;
}
static inline void qs_packet_start(struct ata_queued_cmd *qc)
prd[si - 1].addr |= cpu_to_le32(SATA_RCAR_DTEND);
}
-static void sata_rcar_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors sata_rcar_qc_prep(struct ata_queued_cmd *qc)
{
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
sata_rcar_bmdma_fill_sg(qc);
+
+ return AC_ERR_OK;
}
static void sata_rcar_bmdma_setup(struct ata_queued_cmd *qc)
static int sil_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);
static int sil_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
static int sil_set_mode(struct ata_link *link, struct ata_device **r_failed);
-static void sil_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors sil_qc_prep(struct ata_queued_cmd *qc);
static void sil_bmdma_setup(struct ata_queued_cmd *qc);
static void sil_bmdma_start(struct ata_queued_cmd *qc);
static void sil_bmdma_stop(struct ata_queued_cmd *qc);
last_prd->flags_len |= cpu_to_le32(ATA_PRD_EOT);
}
-static void sil_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors sil_qc_prep(struct ata_queued_cmd *qc)
{
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
sil_fill_sg(qc);
+
+ return AC_ERR_OK;
}
static unsigned char sil_get_device_cache_line(struct pci_dev *pdev)
static int sil24_scr_read(struct ata_link *link, unsigned sc_reg, u32 *val);
static int sil24_scr_write(struct ata_link *link, unsigned sc_reg, u32 val);
static int sil24_qc_defer(struct ata_queued_cmd *qc);
-static void sil24_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors sil24_qc_prep(struct ata_queued_cmd *qc);
static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc);
static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc);
static void sil24_pmp_attach(struct ata_port *ap);
return ata_std_qc_defer(qc);
}
-static void sil24_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors sil24_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct sil24_port_priv *pp = ap->private_data;
if (qc->flags & ATA_QCFLAG_DMAMAP)
sil24_fill_sg(qc, sge);
+
+ return AC_ERR_OK;
}
static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc)
static void pdc_freeze(struct ata_port *ap);
static void pdc_thaw(struct ata_port *ap);
static int pdc_port_start(struct ata_port *ap);
-static void pdc20621_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors pdc20621_qc_prep(struct ata_queued_cmd *qc);
static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static unsigned int pdc20621_dimm_init(struct ata_host *host);
VPRINTK("ata pkt buf ofs %u, mmio copied\n", i);
}
-static void pdc20621_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors pdc20621_qc_prep(struct ata_queued_cmd *qc)
{
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
default:
break;
}
+
+ return AC_ERR_OK;
}
static void __pdc20621_push_hdma(struct ata_queued_cmd *qc,
/*
* Command execution
*/
- int (*qc_defer)(struct ata_queued_cmd *qc);
- int (*check_atapi_dma)(struct ata_queued_cmd *qc);
- void (*qc_prep)(struct ata_queued_cmd *qc);
+ int (*qc_defer)(struct ata_queued_cmd *qc);
+ int (*check_atapi_dma)(struct ata_queued_cmd *qc);
+ enum ata_completion_errors (*qc_prep)(struct ata_queued_cmd *qc);
unsigned int (*qc_issue)(struct ata_queued_cmd *qc);
bool (*qc_fill_rtf)(struct ata_queued_cmd *qc);
extern const char *ata_mode_string(unsigned long xfer_mask);
extern unsigned long ata_id_xfermask(const u16 *id);
extern int ata_std_qc_defer(struct ata_queued_cmd *qc);
-extern void ata_noop_qc_prep(struct ata_queued_cmd *qc);
+extern enum ata_completion_errors ata_noop_qc_prep(struct ata_queued_cmd *qc);
extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
unsigned int n_elem);
extern unsigned int ata_dev_classify(const struct ata_taskfile *tf);
.sg_tablesize = LIBATA_MAX_PRD, \
.dma_boundary = ATA_DMA_BOUNDARY
-extern void ata_bmdma_qc_prep(struct ata_queued_cmd *qc);
+extern enum ata_completion_errors ata_bmdma_qc_prep(struct ata_queued_cmd *qc);
extern unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc);
-extern void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc);
+extern enum ata_completion_errors ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc);
extern unsigned int ata_bmdma_port_intr(struct ata_port *ap,
struct ata_queued_cmd *qc);
extern irqreturn_t ata_bmdma_interrupt(int irq, void *dev_instance);