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libata-link: make two port flags HRST_TO_RESUME and SKIP_D2H_BSY link flags 

HRST_TO_RESUME and SKIP_D2H_BSY are link attributes.  Move them to
ata_link->flags.  This will allow host and PMP links to have different
attributes.  ata_port_info->link_flags is added and used by LLDs to
specify these flags during initialization.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2007-08-06 18:36:23 +09:00 committed by Jeff Garzik
parent 0260731f01
commit 0c88758b5a
6 changed files with 39 additions and 21 deletions
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16
drivers/ata/ahci.c
View File

@ -178,8 +178,8 @@ enum {
AHCI_FLAG_COMMON = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
ATA_FLAG_SKIP_D2H_BSY |
ATA_FLAG_ACPI_SATA,
AHCI_LFLAG_COMMON = ATA_LFLAG_SKIP_D2H_BSY,
};
struct ahci_cmd_hdr {
@ -333,6 +333,7 @@ static const struct ata_port_info ahci_port_info[] = {
/* board_ahci */
{
.flags = AHCI_FLAG_COMMON,
.link_flags = AHCI_LFLAG_COMMON,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
@ -340,14 +341,15 @@ static const struct ata_port_info ahci_port_info[] = {
/* board_ahci_pi */
{
.flags = AHCI_FLAG_COMMON | AHCI_FLAG_HONOR_PI,
.link_flags = AHCI_LFLAG_COMMON,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
/* board_ahci_vt8251 */
{
.flags = AHCI_FLAG_COMMON | ATA_FLAG_HRST_TO_RESUME |
AHCI_FLAG_NO_NCQ,
.flags = AHCI_FLAG_COMMON | AHCI_FLAG_NO_NCQ,
.link_flags = AHCI_LFLAG_COMMON | ATA_LFLAG_HRST_TO_RESUME,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_vt8251_ops,
@ -355,6 +357,7 @@ static const struct ata_port_info ahci_port_info[] = {
/* board_ahci_ign_iferr */
{
.flags = AHCI_FLAG_COMMON | AHCI_FLAG_IGN_IRQ_IF_ERR,
.link_flags = AHCI_LFLAG_COMMON,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
@ -364,6 +367,7 @@ static const struct ata_port_info ahci_port_info[] = {
.flags = AHCI_FLAG_COMMON |
AHCI_FLAG_IGN_SERR_INTERNAL |
AHCI_FLAG_32BIT_ONLY,
.link_flags = AHCI_LFLAG_COMMON,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
@ -373,9 +377,9 @@ static const struct ata_port_info ahci_port_info[] = {
.sht = &ahci_sht,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
ATA_FLAG_SKIP_D2H_BSY | AHCI_FLAG_HONOR_PI |
AHCI_FLAG_NO_NCQ | AHCI_FLAG_NO_MSI |
AHCI_FLAG_MV_PATA,
AHCI_FLAG_HONOR_PI | AHCI_FLAG_NO_NCQ |
AHCI_FLAG_NO_MSI | AHCI_FLAG_MV_PATA,
.link_flags = AHCI_LFLAG_COMMON,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,

5
drivers/ata/libata-core.c
View File

@ -3332,7 +3332,7 @@ int ata_std_prereset(struct ata_link *link, unsigned long deadline)
/* handle link resume */
if ((ehc->i.flags & ATA_EHI_RESUME_LINK) &&
(ap->flags & ATA_FLAG_HRST_TO_RESUME))
(link->flags & ATA_LFLAG_HRST_TO_RESUME))
ehc->i.action |= ATA_EH_HARDRESET;
/* if we're about to do hardreset, nothing more to do */
@ -3351,7 +3351,7 @@ int ata_std_prereset(struct ata_link *link, unsigned long deadline)
/* Wait for !BSY if the controller can wait for the first D2H
* Reg FIS and we don't know that no device is attached.
*/
if (!(ap->flags & ATA_FLAG_SKIP_D2H_BSY) && !ata_link_offline(link)) {
if (!(link->flags & ATA_LFLAG_SKIP_D2H_BSY) && !ata_link_offline(link)) {
rc = ata_wait_ready(ap, deadline);
if (rc && rc != -ENODEV) {
ata_link_printk(link, KERN_WARNING, "device not ready "
@ -6269,6 +6269,7 @@ struct ata_host *ata_host_alloc_pinfo(struct device *dev,
ap->mwdma_mask = pi->mwdma_mask;
ap->udma_mask = pi->udma_mask;
ap->flags |= pi->flags;
ap->link.flags |= pi->link_flags;
ap->ops = pi->port_ops;
if (!host->ops && (pi->port_ops != &ata_dummy_port_ops))

14
drivers/ata/sata_nv.c
View File

@ -455,8 +455,8 @@ static const struct ata_port_info nv_port_info[] = {
/* generic */
{
.sht = &nv_sht,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_HRST_TO_RESUME,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
.link_flags = ATA_LFLAG_HRST_TO_RESUME,
.pio_mask = NV_PIO_MASK,
.mwdma_mask = NV_MWDMA_MASK,
.udma_mask = NV_UDMA_MASK,
@ -466,8 +466,8 @@ static const struct ata_port_info nv_port_info[] = {
/* nforce2/3 */
{
.sht = &nv_sht,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_HRST_TO_RESUME,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
.link_flags = ATA_LFLAG_HRST_TO_RESUME,
.pio_mask = NV_PIO_MASK,
.mwdma_mask = NV_MWDMA_MASK,
.udma_mask = NV_UDMA_MASK,
@ -477,8 +477,8 @@ static const struct ata_port_info nv_port_info[] = {
/* ck804 */
{
.sht = &nv_sht,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_HRST_TO_RESUME,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
.link_flags = ATA_LFLAG_HRST_TO_RESUME,
.pio_mask = NV_PIO_MASK,
.mwdma_mask = NV_MWDMA_MASK,
.udma_mask = NV_UDMA_MASK,
@ -489,8 +489,8 @@ static const struct ata_port_info nv_port_info[] = {
{
.sht = &nv_adma_sht,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_HRST_TO_RESUME |
ATA_FLAG_MMIO | ATA_FLAG_NCQ,
.link_flags = ATA_LFLAG_HRST_TO_RESUME,
.pio_mask = NV_PIO_MASK,
.mwdma_mask = NV_MWDMA_MASK,
.udma_mask = NV_UDMA_MASK,

7
drivers/ata/sata_sil.c
View File

@ -59,7 +59,8 @@ enum {
SIL_FLAG_MOD15WRITE = (1 << 30),
SIL_DFL_PORT_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_MMIO | ATA_FLAG_HRST_TO_RESUME,
ATA_FLAG_MMIO,
SIL_DFL_LINK_FLAGS = ATA_LFLAG_HRST_TO_RESUME,
/*
* Controller IDs
@ -216,6 +217,7 @@ static const struct ata_port_info sil_port_info[] = {
/* sil_3112 */
{
.flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_MOD15WRITE,
.link_flags = SIL_DFL_LINK_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA5,
@ -225,6 +227,7 @@ static const struct ata_port_info sil_port_info[] = {
{
.flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_MOD15WRITE |
SIL_FLAG_NO_SATA_IRQ,
.link_flags = SIL_DFL_LINK_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA5,
@ -233,6 +236,7 @@ static const struct ata_port_info sil_port_info[] = {
/* sil_3512 */
{
.flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT,
.link_flags = SIL_DFL_LINK_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA5,
@ -241,6 +245,7 @@ static const struct ata_port_info sil_port_info[] = {
/* sil_3114 */
{
.flags = SIL_DFL_PORT_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT,
.link_flags = SIL_DFL_LINK_FLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA5,

7
drivers/ata/sata_sil24.c
View File

@ -237,8 +237,8 @@ enum {
/* host flags */
SIL24_COMMON_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
ATA_FLAG_NCQ | ATA_FLAG_SKIP_D2H_BSY |
ATA_FLAG_ACPI_SATA,
ATA_FLAG_NCQ | ATA_FLAG_ACPI_SATA,
SIL24_COMMON_LFLAGS = ATA_LFLAG_SKIP_D2H_BSY,
SIL24_FLAG_PCIX_IRQ_WOC = (1 << 24), /* IRQ loss errata on PCI-X */
IRQ_STAT_4PORTS = 0xf,
@ -424,6 +424,7 @@ static const struct ata_port_info sil24_port_info[] = {
{
.flags = SIL24_COMMON_FLAGS | SIL24_NPORTS2FLAG(4) |
SIL24_FLAG_PCIX_IRQ_WOC,
.link_flags = SIL24_COMMON_LFLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA5, /* udma0-5 */
@ -432,6 +433,7 @@ static const struct ata_port_info sil24_port_info[] = {
/* sil_3132 */
{
.flags = SIL24_COMMON_FLAGS | SIL24_NPORTS2FLAG(2),
.link_flags = SIL24_COMMON_LFLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA5, /* udma0-5 */
@ -440,6 +442,7 @@ static const struct ata_port_info sil24_port_info[] = {
/* sil_3131/sil_3531 */
{
.flags = SIL24_COMMON_FLAGS | SIL24_NPORTS2FLAG(1),
.link_flags = SIL24_COMMON_LFLAGS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = ATA_UDMA5, /* udma0-5 */

11
include/linux/libata.h
View File

@ -156,6 +156,11 @@ enum {
ATA_DEV_ATAPI_UNSUP = 4, /* ATAPI device (unsupported) */
ATA_DEV_NONE = 5, /* no device */
/* struct ata_link flags */
ATA_LFLAG_HRST_TO_RESUME = (1 << 0), /* hardreset to resume link */
ATA_LFLAG_SKIP_D2H_BSY = (1 << 1), /* can't wait for the first D2H
* Register FIS clearing BSY */
/* struct ata_port flags */
ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */
/* (doesn't imply presence) */
@ -170,9 +175,6 @@ enum {
ATA_FLAG_PIO_POLLING = (1 << 9), /* use polling PIO if LLD
* doesn't handle PIO interrupts */
ATA_FLAG_NCQ = (1 << 10), /* host supports NCQ */
ATA_FLAG_HRST_TO_RESUME = (1 << 11), /* hardreset to resume phy */
ATA_FLAG_SKIP_D2H_BSY = (1 << 12), /* can't wait for the first D2H
* Register FIS clearing BSY */
ATA_FLAG_DEBUGMSG = (1 << 13),
ATA_FLAG_IGN_SIMPLEX = (1 << 15), /* ignore SIMPLEX */
ATA_FLAG_NO_IORDY = (1 << 16), /* controller lacks iordy */
@ -517,6 +519,8 @@ struct ata_link {
unsigned int active_tag; /* active tag on this link */
u32 sactive; /* active NCQ commands */
unsigned int flags; /* ATA_LFLAG_xxx */
unsigned int hw_sata_spd_limit;
unsigned int sata_spd_limit;
unsigned int sata_spd; /* current SATA PHY speed */
@ -654,6 +658,7 @@ struct ata_port_operations {
struct ata_port_info {
struct scsi_host_template *sht;
unsigned long flags;
unsigned long link_flags;
unsigned long pio_mask;
unsigned long mwdma_mask;
unsigned long udma_mask;