Commit 9af5c9c9 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik

libata-link: introduce ata_link

Introduce ata_link.  It abstracts PHY and sits between ata_port and
ata_device.  This new level of abstraction is necessary to support
SATA Port Multiplier, which basically adds a bunch of links (PHYs) to
a ATA host port.  Fields related to command execution, spd_limit and
EH are per-link and thus moved to ata_link.

This patch only defines the host link.  Multiple link handling will be
added later.  Also, a lot of ap->link derefences are added but many of
them will be removed as each part is converted to deal directly with
ata_link instead of ata_port.

This patch introduces no behavior change.
Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Cc: James Bottomley <James.Bottomley@SteelEye.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 640fdb50
......@@ -1064,7 +1064,7 @@ static int ahci_do_softreset(struct ata_port *ap, unsigned int *class,
ata_port_printk(ap, KERN_WARNING,
"failed to reset engine (errno=%d)", rc);
ata_tf_init(ap->device, &tf);
ata_tf_init(ap->link.device, &tf);
/* issue the first D2H Register FIS */
msecs = 0;
......@@ -1132,7 +1132,7 @@ static int ahci_hardreset(struct ata_port *ap, unsigned int *class,
ahci_stop_engine(ap);
/* clear D2H reception area to properly wait for D2H FIS */
ata_tf_init(ap->device, &tf);
ata_tf_init(ap->link.device, &tf);
tf.command = 0x80;
ata_tf_to_fis(&tf, 0, 0, d2h_fis);
......@@ -1159,7 +1159,7 @@ static int ahci_vt8251_hardreset(struct ata_port *ap, unsigned int *class,
ahci_stop_engine(ap);
rc = sata_port_hardreset(ap, sata_ehc_deb_timing(&ap->eh_context),
rc = sata_port_hardreset(ap, sata_ehc_deb_timing(&ap->link.eh_context),
deadline);
/* vt8251 needs SError cleared for the port to operate */
......@@ -1278,7 +1278,7 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
{
struct ahci_port_priv *pp = ap->private_data;
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi = &ap->link.eh_info;
unsigned int err_mask = 0, action = 0;
struct ata_queued_cmd *qc;
u32 serror;
......@@ -1332,7 +1332,7 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
ehi->serror |= serror;
ehi->action |= action;
qc = ata_qc_from_tag(ap, ap->active_tag);
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc)
qc->err_mask |= err_mask;
else
......@@ -1347,7 +1347,7 @@ static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
static void ahci_port_intr(struct ata_port *ap)
{
void __iomem *port_mmio = ap->ioaddr.cmd_addr;
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi = &ap->link.eh_info;
struct ahci_port_priv *pp = ap->private_data;
u32 status, qc_active;
int rc, known_irq = 0;
......@@ -1360,7 +1360,7 @@ static void ahci_port_intr(struct ata_port *ap)
return;
}
if (ap->sactive)
if (ap->link.sactive)
qc_active = readl(port_mmio + PORT_SCR_ACT);
else
qc_active = readl(port_mmio + PORT_CMD_ISSUE);
......@@ -1380,7 +1380,7 @@ static void ahci_port_intr(struct ata_port *ap)
/* if !NCQ, ignore. No modern ATA device has broken HSM
* implementation for non-NCQ commands.
*/
if (!ap->sactive)
if (!ap->link.sactive)
return;
if (status & PORT_IRQ_D2H_REG_FIS) {
......@@ -1433,7 +1433,7 @@ static void ahci_port_intr(struct ata_port *ap)
if (!known_irq)
ata_port_printk(ap, KERN_INFO, "spurious interrupt "
"(irq_stat 0x%x active_tag 0x%x sactive 0x%x)\n",
status, ap->active_tag, ap->sactive);
status, ap->link.active_tag, ap->link.sactive);
}
static void ahci_irq_clear(struct ata_port *ap)
......
......@@ -53,7 +53,7 @@ static int generic_set_mode(struct ata_port *ap, struct ata_device **unused)
dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS);
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
struct ata_device *dev = &ap->link.device[i];
if (ata_dev_enabled(dev)) {
/* We don't really care */
dev->pio_mode = XFER_PIO_0;
......
......@@ -44,7 +44,8 @@ static void ata_acpi_associate_sata_port(struct ata_port *ap)
{
acpi_integer adr = SATA_ADR(ap->port_no, NO_PORT_MULT);
ap->device->acpi_handle = acpi_get_child(ap->host->acpi_handle, adr);
ap->link.device->acpi_handle =
acpi_get_child(ap->host->acpi_handle, adr);
}
static void ata_acpi_associate_ide_port(struct ata_port *ap)
......@@ -60,7 +61,7 @@ static void ata_acpi_associate_ide_port(struct ata_port *ap)
max_devices++;
for (i = 0; i < max_devices; i++) {
struct ata_device *dev = &ap->device[i];
struct ata_device *dev = &ap->link.device[i];
dev->acpi_handle = acpi_get_child(ap->acpi_handle, i);
}
......@@ -182,10 +183,10 @@ static int ata_acpi_stm(const struct ata_port *ap, struct ata_acpi_gtm *stm)
/* Buffers for id may need byteswapping ? */
in_params[1].type = ACPI_TYPE_BUFFER;
in_params[1].buffer.length = 512;
in_params[1].buffer.pointer = (u8 *)ap->device[0].id;
in_params[1].buffer.pointer = (u8 *)ap->link.device[0].id;
in_params[2].type = ACPI_TYPE_BUFFER;
in_params[2].buffer.length = 512;
in_params[2].buffer.pointer = (u8 *)ap->device[1].id;
in_params[2].buffer.pointer = (u8 *)ap->link.device[1].id;
input.count = 3;
input.pointer = in_params;
......@@ -226,7 +227,7 @@ static int ata_acpi_stm(const struct ata_port *ap, struct ata_acpi_gtm *stm)
static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf,
void **ptr_to_free)
{
struct ata_port *ap = dev->ap;
struct ata_port *ap = dev->link->ap;
acpi_status status;
struct acpi_buffer output;
union acpi_object *out_obj;
......@@ -320,7 +321,7 @@ static int ata_dev_get_GTF(struct ata_device *dev, struct ata_acpi_gtf **gtf,
static int taskfile_load_raw(struct ata_device *dev,
const struct ata_acpi_gtf *gtf)
{
struct ata_port *ap = dev->ap;
struct ata_port *ap = dev->link->ap;
struct ata_taskfile tf, rtf;
unsigned int err_mask;
......@@ -424,7 +425,7 @@ static int ata_acpi_exec_tfs(struct ata_device *dev)
*/
static int ata_acpi_push_id(struct ata_device *dev)
{
struct ata_port *ap = dev->ap;
struct ata_port *ap = dev->link->ap;
int err;
acpi_status status;
struct acpi_object_list input;
......@@ -519,7 +520,7 @@ void ata_acpi_on_resume(struct ata_port *ap)
/* schedule _GTF */
for (i = 0; i < ATA_MAX_DEVICES; i++)
ap->device[i].flags |= ATA_DFLAG_ACPI_PENDING;
ap->link.device[i].flags |= ATA_DFLAG_ACPI_PENDING;
}
/**
......@@ -538,8 +539,8 @@ void ata_acpi_on_resume(struct ata_port *ap)
*/
int ata_acpi_on_devcfg(struct ata_device *dev)
{
struct ata_port *ap = dev->ap;
struct ata_eh_context *ehc = &ap->eh_context;
struct ata_port *ap = dev->link->ap;
struct ata_eh_context *ehc = &ap->link.eh_context;
int acpi_sata = ap->flags & ATA_FLAG_ACPI_SATA;
int rc;
......
This diff is collapsed.
This diff is collapsed.
......@@ -1368,14 +1368,14 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
case ATA_CMD_SET_FEATURES:
if ((qc->tf.feature == SETFEATURES_WC_ON) ||
(qc->tf.feature == SETFEATURES_WC_OFF)) {
ap->eh_info.action |= ATA_EH_REVALIDATE;
ap->link.eh_info.action |= ATA_EH_REVALIDATE;
ata_port_schedule_eh(ap);
}
break;
case ATA_CMD_INIT_DEV_PARAMS: /* CHS translation changed */
case ATA_CMD_SET_MULTI: /* multi_count changed */
ap->eh_info.action |= ATA_EH_REVALIDATE;
ap->link.eh_info.action |= ATA_EH_REVALIDATE;
ata_port_schedule_eh(ap);
break;
}
......@@ -1439,14 +1439,14 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
*/
static int ata_scmd_need_defer(struct ata_device *dev, int is_io)
{
struct ata_port *ap = dev->ap;
struct ata_link *link = dev->link;
int is_ncq = is_io && ata_ncq_enabled(dev);
if (is_ncq) {
if (!ata_tag_valid(ap->active_tag))
if (!ata_tag_valid(link->active_tag))
return 0;
} else {
if (!ata_tag_valid(ap->active_tag) && !ap->sactive)
if (!ata_tag_valid(link->active_tag) && !link->sactive)
return 0;
}
return 1;
......@@ -2426,7 +2426,7 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc)
static struct ata_device * ata_find_dev(struct ata_port *ap, int id)
{
if (likely(id < ATA_MAX_DEVICES))
return &ap->device[id];
return &ap->link.device[id];
return NULL;
}
......@@ -2458,7 +2458,7 @@ static int ata_scsi_dev_enabled(struct ata_device *dev)
if (unlikely(!ata_dev_enabled(dev)))
return 0;
if (!atapi_enabled || (dev->ap->flags & ATA_FLAG_NO_ATAPI)) {
if (!atapi_enabled || (dev->link->ap->flags & ATA_FLAG_NO_ATAPI)) {
if (unlikely(dev->class == ATA_DEV_ATAPI)) {
ata_dev_printk(dev, KERN_WARNING,
"WARNING: ATAPI is %s, device ignored.\n",
......@@ -2961,7 +2961,7 @@ void ata_scsi_scan_host(struct ata_port *ap, int sync)
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct scsi_device *sdev;
dev = &ap->device[i];
dev = &ap->link.device[i];
if (!ata_dev_enabled(dev) || dev->sdev)
continue;
......@@ -2978,7 +2978,7 @@ void ata_scsi_scan_host(struct ata_port *ap, int sync)
* whether all devices are attached.
*/
for (i = 0; i < ATA_MAX_DEVICES; i++) {
dev = &ap->device[i];
dev = &ap->link.device[i];
if (ata_dev_enabled(dev) && !dev->sdev)
break;
}
......@@ -3049,7 +3049,7 @@ int ata_scsi_offline_dev(struct ata_device *dev)
*/
static void ata_scsi_remove_dev(struct ata_device *dev)
{
struct ata_port *ap = dev->ap;
struct ata_port *ap = dev->link->ap;
struct scsi_device *sdev;
unsigned long flags;
......@@ -3123,7 +3123,7 @@ void ata_scsi_hotplug(struct work_struct *work)
/* unplug detached devices */
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
struct ata_device *dev = &ap->link.device[i];
unsigned long flags;
if (!(dev->flags & ATA_DFLAG_DETACHED))
......@@ -3162,6 +3162,7 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
unsigned int id, unsigned int lun)
{
struct ata_port *ap = ata_shost_to_port(shost);
struct ata_eh_info *ehi = &ap->link.eh_info;
unsigned long flags;
int rc = 0;
......@@ -3175,15 +3176,15 @@ static int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel,
spin_lock_irqsave(ap->lock, flags);
if (id == SCAN_WILD_CARD) {
ap->eh_info.probe_mask |= (1 << ATA_MAX_DEVICES) - 1;
ap->eh_info.action |= ATA_EH_SOFTRESET;
ehi->probe_mask |= (1 << ATA_MAX_DEVICES) - 1;
ehi->action |= ATA_EH_SOFTRESET;
} else {
struct ata_device *dev = ata_find_dev(ap, id);
if (dev) {
ap->eh_info.probe_mask |= 1 << dev->devno;
ap->eh_info.action |= ATA_EH_SOFTRESET;
ap->eh_info.flags |= ATA_EHI_RESUME_LINK;
ehi->probe_mask |= 1 << dev->devno;
ehi->action |= ATA_EH_SOFTRESET;
ehi->flags |= ATA_EHI_RESUME_LINK;
} else
rc = -EINVAL;
}
......@@ -3220,7 +3221,7 @@ void ata_scsi_dev_rescan(struct work_struct *work)
spin_lock_irqsave(ap->lock, flags);
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
struct ata_device *dev = &ap->link.device[i];
struct scsi_device *sdev = dev->sdev;
if (!ata_dev_enabled(dev) || !sdev)
......@@ -3359,7 +3360,7 @@ EXPORT_SYMBOL_GPL(ata_sas_port_destroy);
int ata_sas_slave_configure(struct scsi_device *sdev, struct ata_port *ap)
{
ata_scsi_sdev_config(sdev);
ata_scsi_dev_config(sdev, ap->device);
ata_scsi_dev_config(sdev, ap->link.device);
return 0;
}
EXPORT_SYMBOL_GPL(ata_sas_slave_configure);
......@@ -3382,8 +3383,8 @@ int ata_sas_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *),
ata_scsi_dump_cdb(ap, cmd);
if (likely(ata_scsi_dev_enabled(ap->device)))
rc = __ata_scsi_queuecmd(cmd, done, ap->device);
if (likely(ata_scsi_dev_enabled(ap->link.device)))
rc = __ata_scsi_queuecmd(cmd, done, ap->link.device);
else {
cmd->result = (DID_BAD_TARGET << 16);
done(cmd);
......
......@@ -445,7 +445,7 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
unsigned long flags;
int thaw = 0;
qc = __ata_qc_from_tag(ap, ap->active_tag);
qc = __ata_qc_from_tag(ap, ap->link.active_tag);
if (qc && !(qc->flags & ATA_QCFLAG_FAILED))
qc = NULL;
......@@ -909,7 +909,7 @@ unsigned long ata_pci_default_filter(struct ata_device *adev, unsigned long xfer
/* Filter out DMA modes if the device has been configured by
the BIOS as PIO only */
if (adev->ap->ioaddr.bmdma_addr == 0)
if (adev->link->ap->ioaddr.bmdma_addr == 0)
xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
return xfer_mask;
}
......
......@@ -391,7 +391,7 @@ static void it821x_passthru_dev_select(struct ata_port *ap,
{
struct it821x_dev *itdev = ap->private_data;
if (itdev && device != itdev->last_device) {
struct ata_device *adev = &ap->device[device];
struct ata_device *adev = &ap->link.device[device];
it821x_program(ap, adev, itdev->pio[adev->devno]);
itdev->last_device = device;
}
......@@ -464,7 +464,7 @@ static int it821x_smart_set_mode(struct ata_port *ap, struct ata_device **unused
int i;
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
struct ata_device *dev = &ap->link.device[i];
if (ata_dev_enabled(dev)) {
/* We don't really care */
dev->pio_mode = XFER_PIO_0;
......
......@@ -31,7 +31,7 @@ static int ixp4xx_set_mode(struct ata_port *ap, struct ata_device **error)
int i;
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
struct ata_device *dev = &ap->link.device[i];
if (ata_dev_enabled(dev)) {
ata_dev_printk(dev, KERN_INFO, "configured for PIO0\n");
dev->pio_mode = XFER_PIO_0;
......@@ -49,7 +49,7 @@ static void ixp4xx_mmio_data_xfer(struct ata_device *adev, unsigned char *buf,
unsigned int i;
unsigned int words = buflen >> 1;
u16 *buf16 = (u16 *) buf;
struct ata_port *ap = adev->ap;
struct ata_port *ap = adev->link->ap;
void __iomem *mmio = ap->ioaddr.data_addr;
struct ixp4xx_pata_data *data = ap->host->dev->platform_data;
......
......@@ -112,7 +112,7 @@ static int legacy_set_mode(struct ata_port *ap, struct ata_device **unused)
int i;
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
struct ata_device *dev = &ap->link.device[i];
if (ata_dev_enabled(dev)) {
ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
dev->pio_mode = XFER_PIO_0;
......@@ -256,7 +256,7 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev)
static void pdc_data_xfer_vlb(struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data)
{
struct ata_port *ap = adev->ap;
struct ata_port *ap = adev->link->ap;
int slop = buflen & 3;
unsigned long flags;
......
......@@ -340,8 +340,8 @@ static int optidma_set_mode(struct ata_port *ap, struct ata_device **r_failed)
pci_read_config_byte(pdev, 0x43, &r);
r &= (0x0F << nybble);
r |= (optidma_make_bits43(&ap->device[0]) +
(optidma_make_bits43(&ap->device[0]) << 2)) << nybble;
r |= (optidma_make_bits43(&ap->link.device[0]) +
(optidma_make_bits43(&ap->link.device[0]) << 2)) << nybble;
pci_write_config_byte(pdev, 0x43, r);
}
return rc;
......
......@@ -67,8 +67,8 @@ struct ata_pcmcia_info {
static int pcmcia_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev)
{
struct ata_device *master = &ap->device[0];
struct ata_device *slave = &ap->device[1];
struct ata_device *master = &ap->link.device[0];
struct ata_device *slave = &ap->link.device[1];
if (!ata_dev_enabled(master) || !ata_dev_enabled(slave))
return ata_do_set_mode(ap, r_failed_dev);
......
......@@ -486,7 +486,7 @@ static int pdc2027x_set_mode(struct ata_port *ap, struct ata_device **r_failed)
return i;
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
struct ata_device *dev = &ap->link.device[i];
if (ata_dev_enabled(dev)) {
......
......@@ -35,7 +35,7 @@ static int pata_platform_set_mode(struct ata_port *ap, struct ata_device **unuse
int i;
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
struct ata_device *dev = &ap->link.device[i];
if (ata_dev_enabled(dev)) {
/* We don't really care */
......
......@@ -126,7 +126,7 @@ static unsigned int qdi_qc_issue_prot(struct ata_queued_cmd *qc)
static void qdi_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data)
{
struct ata_port *ap = adev->ap;
struct ata_port *ap = adev->link->ap;
int slop = buflen & 3;
if (ata_id_has_dword_io(adev->id)) {
......
......@@ -39,7 +39,7 @@ static int rz1000_set_mode(struct ata_port *ap, struct ata_device **unused)
int i;
for (i = 0; i < ATA_MAX_DEVICES; i++) {
struct ata_device *dev = &ap->device[i];
struct ata_device *dev = &ap->link.device[i];
if (ata_dev_enabled(dev)) {
/* We don't really care */
dev->pio_mode = XFER_PIO_0;
......
......@@ -785,7 +785,7 @@ static u8 scc_bmdma_status (struct ata_port *ap)
static void scc_data_xfer (struct ata_device *adev, unsigned char *buf,
unsigned int buflen, int write_data)
{
struct ata_port *ap = adev->ap;
struct ata_port *ap = adev->link->ap;
unsigned int words = buflen >> 1;
unsigned int i;
u16 *buf16 = (u16 *) buf;
......
......@@ -84,7 +84,7 @@ static int sis_short_ata40(struct pci_dev *dev)
static int sis_old_port_base(struct ata_device *adev)
{
return 0x40 + (4 * adev->ap->port_no) + (2 * adev->devno);
return 0x40 + (4 * adev->link->ap->port_no) + (2 * adev->devno);
}
/**
......
......@@ -94,7 +94,7 @@ static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev)
static void winbond_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data)
{
struct ata_port *ap = adev->ap;
struct ata_port *ap = adev->link->ap;
int slop = buflen & 3;
if (ata_id_has_dword_io(adev->id)) {
......
......@@ -485,7 +485,7 @@ static inline unsigned int adma_intr_pkt(struct ata_host *host)
pp = ap->private_data;
if (!pp || pp->state != adma_state_pkt)
continue;
qc = ata_qc_from_tag(ap, ap->active_tag);
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
if (status & aPERR)
qc->err_mask |= AC_ERR_HOST_BUS;
......@@ -500,7 +500,7 @@ static inline unsigned int adma_intr_pkt(struct ata_host *host)
if (!qc->err_mask)
ata_qc_complete(qc);
else {
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi = &ap->link.eh_info;
ata_ehi_clear_desc(ehi);
ata_ehi_push_desc(ehi,
"ADMA-status 0x%02X", status);
......@@ -529,7 +529,7 @@ static inline unsigned int adma_intr_mmio(struct ata_host *host)
struct adma_port_priv *pp = ap->private_data;
if (!pp || pp->state != adma_state_mmio)
continue;
qc = ata_qc_from_tag(ap, ap->active_tag);
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
/* check main status, clearing INTRQ */
......@@ -545,7 +545,8 @@ static inline unsigned int adma_intr_mmio(struct ata_host *host)
if (!qc->err_mask)
ata_qc_complete(qc);
else {
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi =
&ap->link.eh_info;
ata_ehi_clear_desc(ehi);
ata_ehi_push_desc(ehi,
"status 0x%02X", status);
......
......@@ -285,7 +285,7 @@ static void inic_irq_clear(struct ata_port *ap)
static void inic_host_intr(struct ata_port *ap)
{
void __iomem *port_base = inic_port_base(ap);
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi = &ap->link.eh_info;
u8 irq_stat;
/* fetch and clear irq */
......@@ -293,7 +293,8 @@ static void inic_host_intr(struct ata_port *ap)
writeb(irq_stat, port_base + PORT_IRQ_STAT);
if (likely(!(irq_stat & PIRQ_ERR))) {
struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
struct ata_queued_cmd *qc =
ata_qc_from_tag(ap, ap->link.active_tag);
if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) {
ata_chk_status(ap); /* clear ATA interrupt */
......@@ -421,7 +422,7 @@ static int inic_hardreset(struct ata_port *ap, unsigned int *class,
{
void __iomem *port_base = inic_port_base(ap);
void __iomem *idma_ctl = port_base + PORT_IDMA_CTL;
const unsigned long *timing = sata_ehc_deb_timing(&ap->eh_context);
const unsigned long *timing = sata_ehc_deb_timing(&ap->link.eh_context);
u16 val;
int rc;
......
......@@ -1415,7 +1415,7 @@ static void mv_err_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
struct mv_host_priv *hpriv = ap->host->private_data;
unsigned int edma_enabled = (pp->pp_flags & MV_PP_FLAG_EDMA_EN);
unsigned int action = 0, err_mask = 0;
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi = &ap->link.eh_info;
ata_ehi_clear_desc(ehi);
......@@ -1508,7 +1508,7 @@ static void mv_intr_pio(struct ata_port *ap)
return;
/* get active ATA command */
qc = ata_qc_from_tag(ap, ap->active_tag);
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (unlikely(!qc)) /* no active tag */
return;
if (qc->tf.flags & ATA_TFLAG_POLLING) /* polling; we don't own qc */
......@@ -1543,7 +1543,7 @@ static void mv_intr_edma(struct ata_port *ap)
/* 50xx: get active ATA command */
if (IS_GEN_I(hpriv))
tag = ap->active_tag;
tag = ap->link.active_tag;
/* Gen II/IIE: get active ATA command via tag, to enable
* support for queueing. this works transparently for
......@@ -1646,7 +1646,7 @@ static void mv_host_intr(struct ata_host *host, u32 relevant, unsigned int hc)
if (unlikely(have_err_bits)) {
struct ata_queued_cmd *qc;
qc = ata_qc_from_tag(ap, ap->active_tag);
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc && (qc->tf.flags & ATA_TFLAG_POLLING))
continue;
......@@ -1688,14 +1688,14 @@ static void mv_pci_error(struct ata_host *host, void __iomem *mmio)
for (i = 0; i < host->n_ports; i++) {
ap = host->ports[i];
if (!ata_port_offline(ap)) {
ehi = &ap->eh_info;
ehi = &ap->link.eh_info;
ata_ehi_clear_desc(ehi);
if (!printed++)
ata_ehi_push_desc(ehi,
"PCI err cause 0x%08x", err_cause);
err_mask = AC_ERR_HOST_BUS;
ehi->action = ATA_EH_HARDRESET;
qc = ata_qc_from_tag(ap, ap->active_tag);
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc)
qc->err_mask |= err_mask;
else
......@@ -2269,7 +2269,7 @@ static void mv_phy_reset(struct ata_port *ap, unsigned int *class,
static int mv_prereset(struct ata_port *ap, unsigned long deadline)
{
struct mv_port_priv *pp = ap->private_data;
struct ata_eh_context *ehc = &ap->eh_context;
struct ata_eh_context *ehc = &ap->link.eh_context;
int rc;
rc = mv_stop_dma(ap);
......
......@@ -594,7 +594,7 @@ static int nv_adma_slave_config(struct scsi_device *sdev)
/* Not a proper libata device, ignore */
return rc;
if (ap->device[sdev->id].class == ATA_DEV_ATAPI) {
if (ap->link.device[sdev->id].class == ATA_DEV_ATAPI) {
/*
* NVIDIA reports that ADMA mode does not support ATAPI commands.
* Therefore ATAPI commands are sent through the legacy interface.
......@@ -711,7 +711,7 @@ static int nv_adma_check_cpb(struct ata_port *ap, int cpb_num, int force_err)
flags & (NV_CPB_RESP_ATA_ERR |
NV_CPB_RESP_CMD_ERR |
NV_CPB_RESP_CPB_ERR)))) {
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi = &ap->link.eh_info;
int freeze = 0;
ata_ehi_clear_desc(ehi);
......@@ -747,7 +747,7 @@ static int nv_adma_check_cpb(struct ata_port *ap, int cpb_num, int force_err)
DPRINTK("Completing qc from tag %d\n",cpb_num);
ata_qc_complete(qc);
} else {
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi = &ap->link.eh_info;
/* Notifier bits set without a command may indicate the drive
is misbehaving. Raise host state machine violation on this
condition. */
......@@ -764,7 +764,7 @@ static int nv_adma_check_cpb(struct ata_port *ap, int cpb_num, int force_err)
static int nv_host_intr(struct ata_port *ap, u8 irq_stat)
{
struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->link.active_tag);
/* freeze if hotplugged */
if (unlikely(irq_stat & (NV_INT_ADDED | NV_INT_REMOVED))) {
......@@ -817,7 +817,7 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) {
u8 irq_stat = readb(host->iomap[NV_MMIO_BAR] + NV_INT_STATUS_CK804)
>> (NV_INT_PORT_SHIFT * i);
if(ata_tag_valid(ap->active_tag))
if(ata_tag_valid(ap->link.active_tag))
/** NV_INT_DEV indication seems unreliable at times
at least in ADMA mode. Force it on always when a
command is active, to prevent losing interrupts. */
......@@ -852,7 +852,7 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
NV_ADMA_STAT_HOTUNPLUG |
NV_ADMA_STAT_TIMEOUT |
NV_ADMA_STAT_SERROR))) {
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi = &ap->link.eh_info;
ata_ehi_clear_desc(ehi);
__ata_ehi_push_desc(ehi, "ADMA status 0x%08x: ", status );
......@@ -879,10 +879,10 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
u32 check_commands;
int pos, error = 0;
if(ata_tag_valid(ap->active_tag))
check_commands = 1 << ap->active_tag;
if(ata_tag_valid(ap->link.active_tag))
check_commands = 1 << ap->link.active_tag;
else
check_commands = ap->sactive;
check_commands = ap->link.sactive;
/** Check CPBs for completed commands */
while ((pos = ffs(check_commands)) && !error) {
......@@ -1333,7 +1333,7 @@ static irqreturn_t nv_generic_interrupt(int irq, void *dev_instance)
!(ap->flags & ATA_FLAG_DISABLED)) {
struct ata_queued_cmd *qc;
qc = ata_qc_from_tag(ap, ap->active_tag);
qc = ata_qc_from_tag(ap, ap->link.active_tag);
if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))
handled += ata_host_intr(ap, qc);
else
......@@ -1485,7 +1485,7 @@ static void nv_adma_error_handler(struct ata_port *ap)
int i;
u16 tmp;
if(ata_tag_valid(ap->active_tag) || ap->sactive) {
if(ata_tag_valid(ap->link.active_tag) || ap->link.sactive) {
u32 notifier = readl(mmio + NV_ADMA_NOTIFIER);
u32 notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR);
u32 gen_ctl = readl(pp->gen_block + NV_ADMA_GEN_CTL);
......@@ -1501,8 +1501,8 @@ static void nv_adma_error_handler(struct ata_port *ap)
for( i=0;i<NV_ADMA_MAX_CPBS;i++) {
struct nv_adma_cpb *cpb = &pp->cpb[i];
if( (ata_tag_valid(ap->active_tag) && i == ap->active_tag) ||
ap->sactive & (1 << i) )
if( (ata_tag_valid(ap->link.active_tag) && i == ap->link.active_tag) ||
ap->link.sactive & (1 << i) )
ata_port_printk(ap, KERN_ERR,
"CPB %d: ctl_flags 0x%x, resp_flags 0x%x\n",
i, cpb->ctl_flags, cpb->resp_flags);
......
......@@ -626,7 +626,7 @@ static void pdc_post_internal_cmd(struct ata_queued_cmd *qc)
static void pdc_error_intr(struct ata_port *ap, struct ata_queued_cmd *qc,
u32 port_status, u32 err_mask)
{
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi = &ap->link.eh_info;
unsigned int ac_err_mask = 0;
ata_ehi_clear_desc(ehi);
......@@ -773,7 +773,7 @@ static irqreturn_t pdc_interrupt (int irq, void *dev_instance)
tmp = hotplug_status & (0x11 << ata_no);
if (tmp && ap &&
!(ap->flags & ATA_FLAG_DISABLED)) {
struct ata_eh_info *ehi = &ap->eh_info;
struct ata_eh_info *ehi = &ap->link.eh_info;
ata_ehi_clear_desc(ehi);
ata_ehi_hotplugged(ehi);