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Message-Id: <200906121401.44345.bzolnier@gmail.com>
Date: Fri, 12 Jun 2009 14:01:43 +0200
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Stephen Rothwell <sfr@...b.auug.org.au>,
linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [git pull] IDE updates part 2
Hi,
More IDE changes for 2.6.31 merge window:
* Improved Host Protected Area handling [ http://lwn.net/Articles/335913/ ].
* Use PIO Mode 0 during probe if possible -- increases chance of successful
probe on BIOS/firmware-less systems (Joao Ramos, Hugh Dickins).
* Generalized nIEN quirks handling (some older disks don't handle IRQ
[un]masking well and we need a special treatment for them).
* pdc202xx_old host driver fixes (Sergei Shtylyov).
* ide-tape fixes (Borislav Petkov).
* Misc fixes/cleanups.
Linus, please pull from 'for-2.6.31' branch of:
master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6.git for-2.6.31
to receive the following updates:
Documentation/ide/ide.txt | 2 +
Documentation/kernel-parameters.txt | 7 +--
drivers/ide/at91_ide.c | 7 +--
drivers/ide/au1xxx-ide.c | 8 ++--
drivers/ide/buddha.c | 9 ++--
drivers/ide/cmd640.c | 7 +--
drivers/ide/cs5520.c | 4 +-
drivers/ide/delkin_cb.c | 6 +-
drivers/ide/falconide.c | 9 ++--
drivers/ide/gayle.c | 9 ++--
drivers/ide/hpt366.c | 25 +---------
drivers/ide/icside.c | 77 ++++------------------------
drivers/ide/ide-4drives.c | 6 +-
drivers/ide/ide-atapi.c | 2 +-
drivers/ide/ide-cs.c | 6 +-
drivers/ide/ide-disk.c | 75 +++++++++++++++++++++++----
drivers/ide/ide-dma.c | 1 -
drivers/ide/ide-eh.c | 14 +++---
drivers/ide/ide-gd.c | 14 +++++
drivers/ide/ide-generic.c | 7 +--
drivers/ide/ide-h8300.c | 10 ++--
drivers/ide/ide-io.c | 77 +++++++++++++---------------
drivers/ide/ide-iops.c | 26 +++++++++-
drivers/ide/ide-legacy.c | 7 +--
drivers/ide/ide-pnp.c | 6 +-
drivers/ide/ide-probe.c | 95 +++++++++++++++++++---------------
drivers/ide/ide-tape.c | 90 +++++++++++++++++----------------
drivers/ide/ide-taskfile.c | 3 +-
drivers/ide/ide.c | 10 ++++
drivers/ide/ide_platform.c | 9 ++--
drivers/ide/macide.c | 9 ++--
drivers/ide/palm_bk3710.c | 6 +-
drivers/ide/pdc202xx_new.c | 26 ----------
drivers/ide/pdc202xx_old.c | 92 +--------------------------------
drivers/ide/pmac.c | 13 +++--
drivers/ide/q40ide.c | 11 ++--
drivers/ide/rapide.c | 8 ++--
drivers/ide/scc_pata.c | 6 +-
drivers/ide/setup-pci.c | 85 ++++++++-----------------------
drivers/ide/sgiioc4.c | 7 +--
drivers/ide/siimage.c | 4 +-
drivers/ide/sl82c105.c | 9 ++--
drivers/ide/tx4938ide.c | 5 +-
drivers/ide/tx4939ide.c | 5 +-
fs/partitions/check.c | 42 ++++++++++++----
include/linux/blkdev.h | 2 +
include/linux/genhd.h | 1 +
include/linux/ide.h | 46 +++++++----------
48 files changed, 442 insertions(+), 563 deletions(-)
Bartlomiej Zolnierkiewicz (23):
ide: BUG() on unknown flags in ide_disk_special()
ide: merge ide_disk_special() into do_special() (v2)
ide: replace special_t typedef by IDE_SFLAG_* flags
ide: remove chipset field from hw_regs_t
ide: pass number of ports to ide_host_{alloc,add}() (v2)
ide: remove hw_regs_t typedef
Merge branch 'for-linus' into for-next
partitions: warn about the partition exceeding device capacity
partitions: add ->set_capacity block device method
ide-gd: implement block device ->set_capacity method (v2)
ide: preserve Host Protected Area by default (v2)
Merge branch 'for-linus' into for-next
icside: remove superfluous ->maskproc method
ide: remove superfluous SELECT_MASK() call from ide_driveid_update()
ide: remove superfluous SELECT_MASK() call from do_rw_taskfile()
hpt366: sync quirk_drives[] list with pdc202xx_{new,old}.c
hpt366: enable all quirks for devices on quirk_drives[] list
ide: respect quirk_drives[] list on all controllers
ide: add IDE_DFLAG_NIEN_QUIRK device flag
ide: skip probe if there are no devices on the port (v2)
ide: unexport ide_find_dma_mode()
ide: re-implement ide_pci_init_one() on top of ide_pci_init_two()
Merge branch 'for-2.6.31' into 2.6.31
Borislav Petkov (3):
ide-tape: change IDE_AFLAG_IGNORE_DSC non-atomically
ide-tape: fix IDE_AFLAG_* atomic accesses
ide-tape: fix proc warning
Hugh Dickins (1):
ide: fix PowerMac bootup oops
Joao Ramos (1):
ide: try to use PIO Mode 0 during probe if possible
Sergei Shtylyov (4):
pdc202xx_old: use ide_dma_test_irq()
pdc202xx_old: don't call pdc202xx_reset() on IRQ timeout
pdc202xx_old: kill resetproc() method
sl82c105: add printk() logging facility
diff --git a/Documentation/ide/ide.txt b/Documentation/ide/ide.txt
index 0c78f4b..e77bebf 100644
--- a/Documentation/ide/ide.txt
+++ b/Documentation/ide/ide.txt
@@ -216,6 +216,8 @@ Other kernel parameters for ide_core are:
* "noflush=[interface_number.device_number]" to disable flush requests
+* "nohpa=[interface_number.device_number]" to disable Host Protected Area
+
* "noprobe=[interface_number.device_number]" to skip probing
* "nowerr=[interface_number.device_number]" to ignore the WRERR_STAT bit
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 7bcdebf..0bf8a88 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -887,11 +887,8 @@ and is between 256 and 4096 characters. It is defined in the file
ide-core.nodma= [HW] (E)IDE subsystem
Format: =0.0 to prevent dma on hda, =0.1 hdb =1.0 hdc
- .vlb_clock .pci_clock .noflush .noprobe .nowerr .cdrom
- .chs .ignore_cable are additional options
- See Documentation/ide/ide.txt.
-
- idebus= [HW] (E)IDE subsystem - VLB/PCI bus speed
+ .vlb_clock .pci_clock .noflush .nohpa .noprobe .nowerr
+ .cdrom .chs .ignore_cable are additional options
See Documentation/ide/ide.txt.
ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem
diff --git a/drivers/ide/at91_ide.c b/drivers/ide/at91_ide.c
index 403d0e4..fc0949a 100644
--- a/drivers/ide/at91_ide.c
+++ b/drivers/ide/at91_ide.c
@@ -216,6 +216,7 @@ static const struct ide_port_info at91_ide_port_info __initdata = {
.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA | IDE_HFLAG_SINGLE |
IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_UNMASK_IRQS,
.pio_mask = ATA_PIO6,
+ .chipset = ide_generic,
};
/*
@@ -246,8 +247,7 @@ irqreturn_t at91_irq_handler(int irq, void *dev_id)
static int __init at91_ide_probe(struct platform_device *pdev)
{
int ret;
- hw_regs_t hw;
- hw_regs_t *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
struct ide_host *host;
struct resource *res;
unsigned long tf_base = 0, ctl_base = 0;
@@ -304,10 +304,9 @@ static int __init at91_ide_probe(struct platform_device *pdev)
ide_std_init_ports(&hw, tf_base, ctl_base + 6);
hw.irq = board->irq_pin;
- hw.chipset = ide_generic;
hw.dev = &pdev->dev;
- host = ide_host_alloc(&at91_ide_port_info, hws);
+ host = ide_host_alloc(&at91_ide_port_info, hws, 1);
if (!host) {
perr("failed to allocate ide host\n");
return -ENOMEM;
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 4601364..58121bd 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -449,7 +449,7 @@ static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
}
#endif
-static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif)
+static void auide_setup_ports(struct ide_hw *hw, _auide_hwif *ahwif)
{
int i;
unsigned long *ata_regs = hw->io_ports_array;
@@ -499,6 +499,7 @@ static const struct ide_port_info au1xxx_port_info = {
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
.mwdma_mask = ATA_MWDMA2,
#endif
+ .chipset = ide_au1xxx,
};
static int au_ide_probe(struct platform_device *dev)
@@ -507,7 +508,7 @@ static int au_ide_probe(struct platform_device *dev)
struct resource *res;
struct ide_host *host;
int ret = 0;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
char *mode = "MWDMA2";
@@ -548,9 +549,8 @@ static int au_ide_probe(struct platform_device *dev)
auide_setup_ports(&hw, ahwif);
hw.irq = ahwif->irq;
hw.dev = &dev->dev;
- hw.chipset = ide_au1xxx;
- ret = ide_host_add(&au1xxx_port_info, hws, &host);
+ ret = ide_host_add(&au1xxx_port_info, hws, 1, &host);
if (ret)
goto out;
diff --git a/drivers/ide/buddha.c b/drivers/ide/buddha.c
index d028f88..e3c6a59 100644
--- a/drivers/ide/buddha.c
+++ b/drivers/ide/buddha.c
@@ -121,7 +121,7 @@ static int xsurf_ack_intr(ide_hwif_t *hwif)
return 1;
}
-static void __init buddha_setup_ports(hw_regs_t *hw, unsigned long base,
+static void __init buddha_setup_ports(struct ide_hw *hw, unsigned long base,
unsigned long ctl, unsigned long irq_port,
ide_ack_intr_t *ack_intr)
{
@@ -139,13 +139,12 @@ static void __init buddha_setup_ports(hw_regs_t *hw, unsigned long base,
hw->irq = IRQ_AMIGA_PORTS;
hw->ack_intr = ack_intr;
-
- hw->chipset = ide_generic;
}
static const struct ide_port_info buddha_port_info = {
.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
.irq_flags = IRQF_SHARED,
+ .chipset = ide_generic,
};
/*
@@ -161,7 +160,7 @@ static int __init buddha_init(void)
while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
unsigned long board;
- hw_regs_t hw[MAX_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL };
+ struct ide_hw hw[MAX_NUM_HWIFS], *hws[MAX_NUM_HWIFS];
if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA) {
buddha_num_hwifs = BUDDHA_NUM_HWIFS;
@@ -225,7 +224,7 @@ fail_base2:
hws[i] = &hw[i];
}
- ide_host_add(&buddha_port_info, hws, NULL);
+ ide_host_add(&buddha_port_info, hws, i, NULL);
}
return 0;
diff --git a/drivers/ide/cmd640.c b/drivers/ide/cmd640.c
index 8890276..1683ed5 100644
--- a/drivers/ide/cmd640.c
+++ b/drivers/ide/cmd640.c
@@ -708,7 +708,7 @@ static int __init cmd640x_init(void)
int second_port_cmd640 = 0, rc;
const char *bus_type, *port2;
u8 b, cfr;
- hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL };
+ struct ide_hw hw[2], *hws[2];
if (cmd640_vlb && probe_for_cmd640_vlb()) {
bus_type = "VLB";
@@ -762,11 +762,9 @@ static int __init cmd640x_init(void)
ide_std_init_ports(&hw[0], 0x1f0, 0x3f6);
hw[0].irq = 14;
- hw[0].chipset = ide_cmd640;
ide_std_init_ports(&hw[1], 0x170, 0x376);
hw[1].irq = 15;
- hw[1].chipset = ide_cmd640;
printk(KERN_INFO "cmd640: buggy cmd640%c interface on %s, config=0x%02x"
"\n", 'a' + cmd640_chip_version - 1, bus_type, cfr);
@@ -824,7 +822,8 @@ static int __init cmd640x_init(void)
cmd640_dump_regs();
#endif
- return ide_host_add(&cmd640_port_info, hws, NULL);
+ return ide_host_add(&cmd640_port_info, hws, second_port_cmd640 ? 2 : 1,
+ NULL);
}
module_param_named(probe_vlb, cmd640_vlb, bool, 0);
diff --git a/drivers/ide/cs5520.c b/drivers/ide/cs5520.c
index 87987a7..bd066bb 100644
--- a/drivers/ide/cs5520.c
+++ b/drivers/ide/cs5520.c
@@ -110,7 +110,7 @@ static const struct ide_port_info cyrix_chipset __devinitdata = {
static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
const struct ide_port_info *d = &cyrix_chipset;
- hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL };
+ struct ide_hw hw[2], *hws[] = { NULL, NULL };
ide_setup_pci_noise(dev, d);
@@ -136,7 +136,7 @@ static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_devic
ide_pci_setup_ports(dev, d, &hw[0], &hws[0]);
hw[0].irq = 14;
- return ide_host_add(d, hws, NULL);
+ return ide_host_add(d, hws, 2, NULL);
}
static const struct pci_device_id cs5520_pci_tbl[] = {
diff --git a/drivers/ide/delkin_cb.c b/drivers/ide/delkin_cb.c
index f153b95..1e10eba 100644
--- a/drivers/ide/delkin_cb.c
+++ b/drivers/ide/delkin_cb.c
@@ -68,6 +68,7 @@ static const struct ide_port_info delkin_cb_port_info = {
IDE_HFLAG_NO_DMA,
.irq_flags = IRQF_SHARED,
.init_chipset = delkin_cb_init_chipset,
+ .chipset = ide_pci,
};
static int __devinit
@@ -76,7 +77,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
struct ide_host *host;
unsigned long base;
int rc;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
rc = pci_enable_device(dev);
if (rc) {
@@ -97,9 +98,8 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id)
ide_std_init_ports(&hw, base + 0x10, base + 0x1e);
hw.irq = dev->irq;
hw.dev = &dev->dev;
- hw.chipset = ide_pci; /* this enables IRQ sharing */
- rc = ide_host_add(&delkin_cb_port_info, hws, &host);
+ rc = ide_host_add(&delkin_cb_port_info, hws, 1, &host);
if (rc)
goto out_disable;
diff --git a/drivers/ide/falconide.c b/drivers/ide/falconide.c
index 0e2df67..22fa273 100644
--- a/drivers/ide/falconide.c
+++ b/drivers/ide/falconide.c
@@ -111,9 +111,10 @@ static const struct ide_port_info falconide_port_info = {
.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_SERIALIZE |
IDE_HFLAG_NO_DMA,
.irq_flags = IRQF_SHARED,
+ .chipset = ide_generic,
};
-static void __init falconide_setup_ports(hw_regs_t *hw)
+static void __init falconide_setup_ports(struct ide_hw *hw)
{
int i;
@@ -128,8 +129,6 @@ static void __init falconide_setup_ports(hw_regs_t *hw)
hw->irq = IRQ_MFP_IDE;
hw->ack_intr = NULL;
-
- hw->chipset = ide_generic;
}
/*
@@ -139,7 +138,7 @@ static void __init falconide_setup_ports(hw_regs_t *hw)
static int __init falconide_init(void)
{
struct ide_host *host;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
int rc;
if (!MACH_IS_ATARI || !ATARIHW_PRESENT(IDE))
@@ -154,7 +153,7 @@ static int __init falconide_init(void)
falconide_setup_ports(&hw);
- host = ide_host_alloc(&falconide_port_info, hws);
+ host = ide_host_alloc(&falconide_port_info, hws, 1);
if (host == NULL) {
rc = -ENOMEM;
goto err;
diff --git a/drivers/ide/gayle.c b/drivers/ide/gayle.c
index c711951..4451a6a 100644
--- a/drivers/ide/gayle.c
+++ b/drivers/ide/gayle.c
@@ -88,7 +88,7 @@ static int gayle_ack_intr_a1200(ide_hwif_t *hwif)
return 1;
}
-static void __init gayle_setup_ports(hw_regs_t *hw, unsigned long base,
+static void __init gayle_setup_ports(struct ide_hw *hw, unsigned long base,
unsigned long ctl, unsigned long irq_port,
ide_ack_intr_t *ack_intr)
{
@@ -106,14 +106,13 @@ static void __init gayle_setup_ports(hw_regs_t *hw, unsigned long base,
hw->irq = IRQ_AMIGA_PORTS;
hw->ack_intr = ack_intr;
-
- hw->chipset = ide_generic;
}
static const struct ide_port_info gayle_port_info = {
.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_SERIALIZE |
IDE_HFLAG_NO_DMA,
.irq_flags = IRQF_SHARED,
+ .chipset = ide_generic,
};
/*
@@ -126,7 +125,7 @@ static int __init gayle_init(void)
unsigned long base, ctrlport, irqport;
ide_ack_intr_t *ack_intr;
int a4000, i, rc;
- hw_regs_t hw[GAYLE_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL };
+ struct ide_hw hw[GAYLE_NUM_HWIFS], *hws[GAYLE_NUM_HWIFS];
if (!MACH_IS_AMIGA)
return -ENODEV;
@@ -171,7 +170,7 @@ found:
hws[i] = &hw[i];
}
- rc = ide_host_add(&gayle_port_info, hws, NULL);
+ rc = ide_host_add(&gayle_port_info, hws, i, NULL);
if (rc)
release_mem_region(res_start, res_n);
diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index 0feb66c..7ce68ef 100644
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -138,14 +138,6 @@
#undef HPT_RESET_STATE_ENGINE
#undef HPT_DELAY_INTERRUPT
-static const char *quirk_drives[] = {
- "QUANTUM FIREBALLlct08 08",
- "QUANTUM FIREBALLP KA6.4",
- "QUANTUM FIREBALLP LM20.4",
- "QUANTUM FIREBALLP LM20.5",
- NULL
-};
-
static const char *bad_ata100_5[] = {
"IBM-DTLA-307075",
"IBM-DTLA-307060",
@@ -729,27 +721,13 @@ static void hpt3xx_set_pio_mode(ide_drive_t *drive, const u8 pio)
hpt3xx_set_mode(drive, XFER_PIO_0 + pio);
}
-static void hpt3xx_quirkproc(ide_drive_t *drive)
-{
- char *m = (char *)&drive->id[ATA_ID_PROD];
- const char **list = quirk_drives;
-
- while (*list)
- if (strstr(m, *list++)) {
- drive->quirk_list = 1;
- return;
- }
-
- drive->quirk_list = 0;
-}
-
static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
{
ide_hwif_t *hwif = drive->hwif;
struct pci_dev *dev = to_pci_dev(hwif->dev);
struct hpt_info *info = hpt3xx_get_info(hwif->dev);
- if (drive->quirk_list == 0)
+ if ((drive->dev_flags & IDE_DFLAG_NIEN_QUIRK) == 0)
return;
if (info->chip_type >= HPT370) {
@@ -1404,7 +1382,6 @@ static int __devinit hpt36x_init(struct pci_dev *dev, struct pci_dev *dev2)
static const struct ide_port_ops hpt3xx_port_ops = {
.set_pio_mode = hpt3xx_set_pio_mode,
.set_dma_mode = hpt3xx_set_mode,
- .quirkproc = hpt3xx_quirkproc,
.maskproc = hpt3xx_maskproc,
.mdma_filter = hpt3xx_mdma_filter,
.udma_filter = hpt3xx_udma_filter,
diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c
index 36da913..5af3d0f 100644
--- a/drivers/ide/icside.c
+++ b/drivers/ide/icside.c
@@ -65,8 +65,6 @@ static struct cardinfo icside_cardinfo_v6_2 = {
};
struct icside_state {
- unsigned int channel;
- unsigned int enabled;
void __iomem *irq_port;
void __iomem *ioc_base;
unsigned int sel;
@@ -116,18 +114,11 @@ static void icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr)
struct icside_state *state = ec->irq_data;
void __iomem *base = state->irq_port;
- state->enabled = 1;
+ writeb(0, base + ICS_ARCIN_V6_INTROFFSET_1);
+ readb(base + ICS_ARCIN_V6_INTROFFSET_2);
- switch (state->channel) {
- case 0:
- writeb(0, base + ICS_ARCIN_V6_INTROFFSET_1);
- readb(base + ICS_ARCIN_V6_INTROFFSET_2);
- break;
- case 1:
- writeb(0, base + ICS_ARCIN_V6_INTROFFSET_2);
- readb(base + ICS_ARCIN_V6_INTROFFSET_1);
- break;
- }
+ writeb(0, base + ICS_ARCIN_V6_INTROFFSET_2);
+ readb(base + ICS_ARCIN_V6_INTROFFSET_1);
}
/* Prototype: icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr)
@@ -137,8 +128,6 @@ static void icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr)
{
struct icside_state *state = ec->irq_data;
- state->enabled = 0;
-
readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
}
@@ -160,44 +149,6 @@ static const expansioncard_ops_t icside_ops_arcin_v6 = {
.irqpending = icside_irqpending_arcin_v6,
};
-/*
- * Handle routing of interrupts. This is called before
- * we write the command to the drive.
- */
-static void icside_maskproc(ide_drive_t *drive, int mask)
-{
- ide_hwif_t *hwif = drive->hwif;
- struct expansion_card *ec = ECARD_DEV(hwif->dev);
- struct icside_state *state = ecard_get_drvdata(ec);
- unsigned long flags;
-
- local_irq_save(flags);
-
- state->channel = hwif->channel;
-
- if (state->enabled && !mask) {
- switch (hwif->channel) {
- case 0:
- writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
- readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
- break;
- case 1:
- writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
- readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
- break;
- }
- } else {
- readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
- readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
- }
-
- local_irq_restore(flags);
-}
-
-static const struct ide_port_ops icside_v6_no_dma_port_ops = {
- .maskproc = icside_maskproc,
-};
-
#ifdef CONFIG_BLK_DEV_IDEDMA_ICS
/*
* SG-DMA support.
@@ -275,7 +226,6 @@ static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode)
static const struct ide_port_ops icside_v6_port_ops = {
.set_dma_mode = icside_set_dma_mode,
- .maskproc = icside_maskproc,
};
static void icside_dma_host_set(ide_drive_t *drive, int on)
@@ -320,11 +270,6 @@ static int icside_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
BUG_ON(dma_channel_active(ec->dma));
/*
- * Ensure that we have the right interrupt routed.
- */
- icside_maskproc(drive, 0);
-
- /*
* Route the DMA signals to the correct interface.
*/
writeb(state->sel | hwif->channel, state->ioc_base);
@@ -381,7 +326,7 @@ static int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d)
return -EOPNOTSUPP;
}
-static void icside_setup_ports(hw_regs_t *hw, void __iomem *base,
+static void icside_setup_ports(struct ide_hw *hw, void __iomem *base,
struct cardinfo *info, struct expansion_card *ec)
{
unsigned long port = (unsigned long)base + info->dataoffset;
@@ -398,11 +343,11 @@ static void icside_setup_ports(hw_regs_t *hw, void __iomem *base,
hw->irq = ec->irq;
hw->dev = &ec->dev;
- hw->chipset = ide_acorn;
}
static const struct ide_port_info icside_v5_port_info = {
.host_flags = IDE_HFLAG_NO_DMA,
+ .chipset = ide_acorn,
};
static int __devinit
@@ -410,7 +355,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
{
void __iomem *base;
struct ide_host *host;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
int ret;
base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
@@ -431,7 +376,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
icside_setup_ports(&hw, base, &icside_cardinfo_v5, ec);
- host = ide_host_alloc(&icside_v5_port_info, hws);
+ host = ide_host_alloc(&icside_v5_port_info, hws, 1);
if (host == NULL)
return -ENODEV;
@@ -452,11 +397,11 @@ err_free:
static const struct ide_port_info icside_v6_port_info __initdata = {
.init_dma = icside_dma_off_init,
- .port_ops = &icside_v6_no_dma_port_ops,
.dma_ops = &icside_v6_dma_ops,
.host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_MMIO,
.mwdma_mask = ATA_MWDMA2,
.swdma_mask = ATA_SWDMA2,
+ .chipset = ide_acorn,
};
static int __devinit
@@ -466,7 +411,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
struct ide_host *host;
unsigned int sel = 0;
int ret;
- hw_regs_t hw[2], *hws[] = { &hw[0], &hw[1], NULL, NULL };
+ struct ide_hw hw[2], *hws[] = { &hw[0], &hw[1] };
struct ide_port_info d = icside_v6_port_info;
ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
@@ -506,7 +451,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
icside_setup_ports(&hw[0], easi_base, &icside_cardinfo_v6_1, ec);
icside_setup_ports(&hw[1], easi_base, &icside_cardinfo_v6_2, ec);
- host = ide_host_alloc(&d, hws);
+ host = ide_host_alloc(&d, hws, 2);
if (host == NULL)
return -ENODEV;
diff --git a/drivers/ide/ide-4drives.c b/drivers/ide/ide-4drives.c
index 78aca75..979d342 100644
--- a/drivers/ide/ide-4drives.c
+++ b/drivers/ide/ide-4drives.c
@@ -25,12 +25,13 @@ static const struct ide_port_info ide_4drives_port_info = {
.port_ops = &ide_4drives_port_ops,
.host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_NO_DMA |
IDE_HFLAG_4DRIVES,
+ .chipset = ide_4drives,
};
static int __init ide_4drives_init(void)
{
unsigned long base = 0x1f0, ctl = 0x3f6;
- hw_regs_t hw, *hws[] = { &hw, &hw, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw, &hw };
if (probe_4drives == 0)
return -ENODEV;
@@ -52,9 +53,8 @@ static int __init ide_4drives_init(void)
ide_std_init_ports(&hw, base, ctl);
hw.irq = 14;
- hw.chipset = ide_4drives;
- return ide_host_add(&ide_4drives_port_info, hws, NULL);
+ return ide_host_add(&ide_4drives_port_info, hws, 2, NULL);
}
module_init(ide_4drives_init);
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index 757e595..bbdd254 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -259,7 +259,7 @@ void ide_retry_pc(ide_drive_t *drive)
pc->req_xfer = blk_rq_bytes(sense_rq);
if (drive->media == ide_tape)
- set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
+ drive->atapi_flags |= IDE_AFLAG_IGNORE_DSC;
/*
* Push back the failed request and put request sense on top
diff --git a/drivers/ide/ide-cs.c b/drivers/ide/ide-cs.c
index 9e47f35..527908f 100644
--- a/drivers/ide/ide-cs.c
+++ b/drivers/ide/ide-cs.c
@@ -155,6 +155,7 @@ static const struct ide_port_info idecs_port_info = {
.port_ops = &idecs_port_ops,
.host_flags = IDE_HFLAG_NO_DMA,
.irq_flags = IRQF_SHARED,
+ .chipset = ide_pci,
};
static struct ide_host *idecs_register(unsigned long io, unsigned long ctl,
@@ -163,7 +164,7 @@ static struct ide_host *idecs_register(unsigned long io, unsigned long ctl,
struct ide_host *host;
ide_hwif_t *hwif;
int i, rc;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
if (!request_region(io, 8, DRV_NAME)) {
printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
@@ -181,10 +182,9 @@ static struct ide_host *idecs_register(unsigned long io, unsigned long ctl,
memset(&hw, 0, sizeof(hw));
ide_std_init_ports(&hw, io, ctl);
hw.irq = irq;
- hw.chipset = ide_pci;
hw.dev = &handle->dev;
- rc = ide_host_add(&idecs_port_info, hws, &host);
+ rc = ide_host_add(&idecs_port_info, hws, 1, &host);
if (rc)
goto out_release;
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index c6f7fcf..6a1de21 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -302,14 +302,12 @@ static const struct drive_list_entry hpa_list[] = {
{ NULL, NULL }
};
-static void idedisk_check_hpa(ide_drive_t *drive)
+static u64 ide_disk_hpa_get_native_capacity(ide_drive_t *drive, int lba48)
{
- unsigned long long capacity, set_max;
- int lba48 = ata_id_lba48_enabled(drive->id);
+ u64 capacity, set_max;
capacity = drive->capacity64;
-
- set_max = idedisk_read_native_max_address(drive, lba48);
+ set_max = idedisk_read_native_max_address(drive, lba48);
if (ide_in_drive_list(drive->id, hpa_list)) {
/*
@@ -320,9 +318,31 @@ static void idedisk_check_hpa(ide_drive_t *drive)
set_max--;
}
+ return set_max;
+}
+
+static u64 ide_disk_hpa_set_capacity(ide_drive_t *drive, u64 set_max, int lba48)
+{
+ set_max = idedisk_set_max_address(drive, set_max, lba48);
+ if (set_max)
+ drive->capacity64 = set_max;
+
+ return set_max;
+}
+
+static void idedisk_check_hpa(ide_drive_t *drive)
+{
+ u64 capacity, set_max;
+ int lba48 = ata_id_lba48_enabled(drive->id);
+
+ capacity = drive->capacity64;
+ set_max = ide_disk_hpa_get_native_capacity(drive, lba48);
+
if (set_max <= capacity)
return;
+ drive->probed_capacity = set_max;
+
printk(KERN_INFO "%s: Host Protected Area detected.\n"
"\tcurrent capacity is %llu sectors (%llu MB)\n"
"\tnative capacity is %llu sectors (%llu MB)\n",
@@ -330,13 +350,13 @@ static void idedisk_check_hpa(ide_drive_t *drive)
capacity, sectors_to_MB(capacity),
set_max, sectors_to_MB(set_max));
- set_max = idedisk_set_max_address(drive, set_max, lba48);
+ if ((drive->dev_flags & IDE_DFLAG_NOHPA) == 0)
+ return;
- if (set_max) {
- drive->capacity64 = set_max;
+ set_max = ide_disk_hpa_set_capacity(drive, set_max, lba48);
+ if (set_max)
printk(KERN_INFO "%s: Host Protected Area disabled.\n",
drive->name);
- }
}
static int ide_disk_get_capacity(ide_drive_t *drive)
@@ -358,6 +378,8 @@ static int ide_disk_get_capacity(ide_drive_t *drive)
drive->capacity64 = drive->cyl * drive->head * drive->sect;
}
+ drive->probed_capacity = drive->capacity64;
+
if (lba) {
drive->dev_flags |= IDE_DFLAG_LBA;
@@ -376,7 +398,7 @@ static int ide_disk_get_capacity(ide_drive_t *drive)
"%llu sectors (%llu MB)\n",
drive->name, (unsigned long long)drive->capacity64,
sectors_to_MB(drive->capacity64));
- drive->capacity64 = 1ULL << 28;
+ drive->probed_capacity = drive->capacity64 = 1ULL << 28;
}
if ((drive->hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) &&
@@ -392,6 +414,34 @@ static int ide_disk_get_capacity(ide_drive_t *drive)
return 0;
}
+static u64 ide_disk_set_capacity(ide_drive_t *drive, u64 capacity)
+{
+ u64 set = min(capacity, drive->probed_capacity);
+ u16 *id = drive->id;
+ int lba48 = ata_id_lba48_enabled(id);
+
+ if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 ||
+ ata_id_hpa_enabled(id) == 0)
+ goto out;
+
+ /*
+ * according to the spec the SET MAX ADDRESS command shall be
+ * immediately preceded by a READ NATIVE MAX ADDRESS command
+ */
+ capacity = ide_disk_hpa_get_native_capacity(drive, lba48);
+ if (capacity == 0)
+ goto out;
+
+ set = ide_disk_hpa_set_capacity(drive, set, lba48);
+ if (set) {
+ /* needed for ->resume to disable HPA */
+ drive->dev_flags |= IDE_DFLAG_NOHPA;
+ return set;
+ }
+out:
+ return drive->capacity64;
+}
+
static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
{
ide_drive_t *drive = q->queuedata;
@@ -428,14 +478,14 @@ static int set_multcount(ide_drive_t *drive, int arg)
if (arg < 0 || arg > (drive->id[ATA_ID_MAX_MULTSECT] & 0xff))
return -EINVAL;
- if (drive->special.b.set_multmode)
+ if (drive->special_flags & IDE_SFLAG_SET_MULTMODE)
return -EBUSY;
rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
drive->mult_req = arg;
- drive->special.b.set_multmode = 1;
+ drive->special_flags |= IDE_SFLAG_SET_MULTMODE;
error = blk_execute_rq(drive->queue, NULL, rq, 0);
blk_put_request(rq);
@@ -740,6 +790,7 @@ static int ide_disk_set_doorlock(ide_drive_t *drive, struct gendisk *disk,
const struct ide_disk_ops ide_ata_disk_ops = {
.check = ide_disk_check,
+ .set_capacity = ide_disk_set_capacity,
.get_capacity = ide_disk_get_capacity,
.setup = ide_disk_setup,
.flush = ide_disk_flush,
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 001f68f..219e6fb 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -347,7 +347,6 @@ u8 ide_find_dma_mode(ide_drive_t *drive, u8 req_mode)
return mode;
}
-EXPORT_SYMBOL_GPL(ide_find_dma_mode);
static int ide_tune_dma(ide_drive_t *drive)
{
diff --git a/drivers/ide/ide-eh.c b/drivers/ide/ide-eh.c
index 5d5fb96..2b91419 100644
--- a/drivers/ide/ide-eh.c
+++ b/drivers/ide/ide-eh.c
@@ -52,7 +52,7 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq,
}
if ((rq->errors & ERROR_RECAL) == ERROR_RECAL)
- drive->special.b.recalibrate = 1;
+ drive->special_flags |= IDE_SFLAG_RECALIBRATE;
++rq->errors;
@@ -268,9 +268,8 @@ static void ide_disk_pre_reset(ide_drive_t *drive)
{
int legacy = (drive->id[ATA_ID_CFS_ENABLE_2] & 0x0400) ? 0 : 1;
- drive->special.all = 0;
- drive->special.b.set_geometry = legacy;
- drive->special.b.recalibrate = legacy;
+ drive->special_flags =
+ legacy ? (IDE_SFLAG_SET_GEOMETRY | IDE_SFLAG_RECALIBRATE) : 0;
drive->mult_count = 0;
drive->dev_flags &= ~IDE_DFLAG_PARKED;
@@ -280,7 +279,7 @@ static void ide_disk_pre_reset(ide_drive_t *drive)
drive->mult_req = 0;
if (drive->mult_req != drive->mult_count)
- drive->special.b.set_multmode = 1;
+ drive->special_flags |= IDE_SFLAG_SET_MULTMODE;
}
static void pre_reset(ide_drive_t *drive)
@@ -408,8 +407,9 @@ static ide_startstop_t do_reset1(ide_drive_t *drive, int do_not_try_atapi)
/* more than enough time */
udelay(10);
/* clear SRST, leave nIEN (unless device is on the quirk list) */
- tp_ops->write_devctl(hwif, (drive->quirk_list == 2 ? 0 : ATA_NIEN) |
- ATA_DEVCTL_OBS);
+ tp_ops->write_devctl(hwif,
+ ((drive->dev_flags & IDE_DFLAG_NIEN_QUIRK) ? 0 : ATA_NIEN) |
+ ATA_DEVCTL_OBS);
/* more than enough time */
udelay(10);
hwif->poll_timeout = jiffies + WAIT_WORSTCASE;
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index 4b6b71e..2141190 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -287,6 +287,19 @@ static int ide_gd_media_changed(struct gendisk *disk)
return ret;
}
+static unsigned long long ide_gd_set_capacity(struct gendisk *disk,
+ unsigned long long capacity)
+{
+ struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
+ ide_drive_t *drive = idkp->drive;
+ const struct ide_disk_ops *disk_ops = drive->disk_ops;
+
+ if (disk_ops->set_capacity)
+ return disk_ops->set_capacity(drive, capacity);
+
+ return drive->capacity64;
+}
+
static int ide_gd_revalidate_disk(struct gendisk *disk)
{
struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj);
@@ -315,6 +328,7 @@ static struct block_device_operations ide_gd_ops = {
.locked_ioctl = ide_gd_ioctl,
.getgeo = ide_gd_getgeo,
.media_changed = ide_gd_media_changed,
+ .set_capacity = ide_gd_set_capacity,
.revalidate_disk = ide_gd_revalidate_disk
};
diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c
index 7812ca0..54d7c46 100644
--- a/drivers/ide/ide-generic.c
+++ b/drivers/ide/ide-generic.c
@@ -29,6 +29,7 @@ MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports");
static const struct ide_port_info ide_generic_port_info = {
.host_flags = IDE_HFLAG_NO_DMA,
+ .chipset = ide_generic,
};
#ifdef CONFIG_ARM
@@ -85,7 +86,7 @@ static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary)
static int __init ide_generic_init(void)
{
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
unsigned long io_addr;
int i, rc = 0, primary = 0, secondary = 0;
@@ -132,9 +133,7 @@ static int __init ide_generic_init(void)
#else
hw.irq = legacy_irqs[i];
#endif
- hw.chipset = ide_generic;
-
- rc = ide_host_add(&ide_generic_port_info, hws, NULL);
+ rc = ide_host_add(&ide_generic_port_info, hws, 1, NULL);
if (rc) {
release_region(io_addr + 0x206, 1);
release_region(io_addr, 8);
diff --git a/drivers/ide/ide-h8300.c b/drivers/ide/ide-h8300.c
index c06ebdc..520f42c 100644
--- a/drivers/ide/ide-h8300.c
+++ b/drivers/ide/ide-h8300.c
@@ -64,26 +64,26 @@ static const struct ide_tp_ops h8300_tp_ops = {
#define H8300_IDE_GAP (2)
-static inline void hw_setup(hw_regs_t *hw)
+static inline void hw_setup(struct ide_hw *hw)
{
int i;
- memset(hw, 0, sizeof(hw_regs_t));
+ memset(hw, 0, sizeof(*hw));
for (i = 0; i <= 7; i++)
hw->io_ports_array[i] = CONFIG_H8300_IDE_BASE + H8300_IDE_GAP*i;
hw->io_ports.ctl_addr = CONFIG_H8300_IDE_ALT;
hw->irq = EXT_IRQ0 + CONFIG_H8300_IDE_IRQ;
- hw->chipset = ide_generic;
}
static const struct ide_port_info h8300_port_info = {
.tp_ops = &h8300_tp_ops,
.host_flags = IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_NO_DMA,
+ .chipset = ide_generic,
};
static int __init h8300_ide_init(void)
{
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
printk(KERN_INFO DRV_NAME ": H8/300 generic IDE interface\n");
@@ -96,7 +96,7 @@ static int __init h8300_ide_init(void)
hw_setup(&hw);
- return ide_host_add(&h8300_port_info, hws, NULL);
+ return ide_host_add(&h8300_port_info, hws, 1, NULL);
out_busy:
printk(KERN_ERR "ide-h8300: IDE I/F resource already used.\n");
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index bba4297..272cc38 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -184,29 +184,42 @@ static void ide_tf_set_setmult_cmd(ide_drive_t *drive, struct ide_taskfile *tf)
tf->command = ATA_CMD_SET_MULTI;
}
-static ide_startstop_t ide_disk_special(ide_drive_t *drive)
+/**
+ * do_special - issue some special commands
+ * @drive: drive the command is for
+ *
+ * do_special() is used to issue ATA_CMD_INIT_DEV_PARAMS,
+ * ATA_CMD_RESTORE and ATA_CMD_SET_MULTI commands to a drive.
+ */
+
+static ide_startstop_t do_special(ide_drive_t *drive)
{
- special_t *s = &drive->special;
struct ide_cmd cmd;
+#ifdef DEBUG
+ printk(KERN_DEBUG "%s: %s: 0x%02x\n", drive->name, __func__,
+ drive->special_flags);
+#endif
+ if (drive->media != ide_disk) {
+ drive->special_flags = 0;
+ drive->mult_req = 0;
+ return ide_stopped;
+ }
+
memset(&cmd, 0, sizeof(cmd));
cmd.protocol = ATA_PROT_NODATA;
- if (s->b.set_geometry) {
- s->b.set_geometry = 0;
+ if (drive->special_flags & IDE_SFLAG_SET_GEOMETRY) {
+ drive->special_flags &= ~IDE_SFLAG_SET_GEOMETRY;
ide_tf_set_specify_cmd(drive, &cmd.tf);
- } else if (s->b.recalibrate) {
- s->b.recalibrate = 0;
+ } else if (drive->special_flags & IDE_SFLAG_RECALIBRATE) {
+ drive->special_flags &= ~IDE_SFLAG_RECALIBRATE;
ide_tf_set_restore_cmd(drive, &cmd.tf);
- } else if (s->b.set_multmode) {
- s->b.set_multmode = 0;
+ } else if (drive->special_flags & IDE_SFLAG_SET_MULTMODE) {
+ drive->special_flags &= ~IDE_SFLAG_SET_MULTMODE;
ide_tf_set_setmult_cmd(drive, &cmd.tf);
- } else if (s->all) {
- int special = s->all;
- s->all = 0;
- printk(KERN_ERR "%s: bad special flag: 0x%02x\n", drive->name, special);
- return ide_stopped;
- }
+ } else
+ BUG();
cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
@@ -217,31 +230,6 @@ static ide_startstop_t ide_disk_special(ide_drive_t *drive)
return ide_started;
}
-/**
- * do_special - issue some special commands
- * @drive: drive the command is for
- *
- * do_special() is used to issue ATA_CMD_INIT_DEV_PARAMS,
- * ATA_CMD_RESTORE and ATA_CMD_SET_MULTI commands to a drive.
- *
- * It used to do much more, but has been scaled back.
- */
-
-static ide_startstop_t do_special (ide_drive_t *drive)
-{
- special_t *s = &drive->special;
-
-#ifdef DEBUG
- printk("%s: do_special: 0x%02x\n", drive->name, s->all);
-#endif
- if (drive->media == ide_disk)
- return ide_disk_special(drive);
-
- s->all = 0;
- drive->mult_req = 0;
- return ide_stopped;
-}
-
void ide_map_sg(ide_drive_t *drive, struct ide_cmd *cmd)
{
ide_hwif_t *hwif = drive->hwif;
@@ -351,7 +339,8 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
printk(KERN_ERR "%s: drive not ready for command\n", drive->name);
return startstop;
}
- if (!drive->special.all) {
+
+ if (drive->special_flags == 0) {
struct ide_driver *drv;
/*
@@ -499,11 +488,15 @@ repeat:
if ((hwif->host->host_flags & IDE_HFLAG_SERIALIZE) &&
hwif != prev_port) {
+ ide_drive_t *cur_dev =
+ prev_port ? prev_port->cur_dev : NULL;
+
/*
* set nIEN for previous port, drives in the
- * quirk_list may not like intr setups/cleanups
+ * quirk list may not like intr setups/cleanups
*/
- if (prev_port && prev_port->cur_dev->quirk_list == 0)
+ if (cur_dev &&
+ (cur_dev->dev_flags & IDE_DFLAG_NIEN_QUIRK) == 0)
prev_port->tp_ops->write_devctl(prev_port,
ATA_NIEN |
ATA_DEVCTL_OBS);
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 06fe002..fa04715 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -282,6 +282,29 @@ no_80w:
return 0;
}
+static const char *nien_quirk_list[] = {
+ "QUANTUM FIREBALLlct08 08",
+ "QUANTUM FIREBALLP KA6.4",
+ "QUANTUM FIREBALLP KA9.1",
+ "QUANTUM FIREBALLP KX13.6",
+ "QUANTUM FIREBALLP KX20.5",
+ "QUANTUM FIREBALLP KX27.3",
+ "QUANTUM FIREBALLP LM20.4",
+ "QUANTUM FIREBALLP LM20.5",
+ NULL
+};
+
+void ide_check_nien_quirk_list(ide_drive_t *drive)
+{
+ const char **list, *m = (char *)&drive->id[ATA_ID_PROD];
+
+ for (list = nien_quirk_list; *list != NULL; list++)
+ if (strstr(m, *list) != NULL) {
+ drive->dev_flags |= IDE_DFLAG_NIEN_QUIRK;
+ return;
+ }
+}
+
int ide_driveid_update(ide_drive_t *drive)
{
u16 *id;
@@ -311,7 +334,6 @@ int ide_driveid_update(ide_drive_t *drive)
return 1;
out_err:
- SELECT_MASK(drive, 0);
if (rc == 2)
printk(KERN_ERR "%s: %s: bad status\n", drive->name, __func__);
kfree(id);
@@ -365,7 +387,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
tp_ops->exec_command(hwif, ATA_CMD_SET_FEATURES);
- if (drive->quirk_list == 2)
+ if (drive->dev_flags & IDE_DFLAG_NIEN_QUIRK)
tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
error = __ide_wait_stat(drive, drive->ready_stat,
diff --git a/drivers/ide/ide-legacy.c b/drivers/ide/ide-legacy.c
index 8c5dcbf..b9654a7 100644
--- a/drivers/ide/ide-legacy.c
+++ b/drivers/ide/ide-legacy.c
@@ -1,7 +1,7 @@
#include <linux/kernel.h>
#include <linux/ide.h>
-static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw,
+static void ide_legacy_init_one(struct ide_hw **hws, struct ide_hw *hw,
u8 port_no, const struct ide_port_info *d,
unsigned long config)
{
@@ -33,7 +33,6 @@ static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw,
ide_std_init_ports(hw, base, ctl);
hw->irq = irq;
- hw->chipset = d->chipset;
hw->config = config;
hws[port_no] = hw;
@@ -41,7 +40,7 @@ static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw,
int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
{
- hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL };
+ struct ide_hw hw[2], *hws[] = { NULL, NULL };
memset(&hw, 0, sizeof(hw));
@@ -53,6 +52,6 @@ int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
(d->host_flags & IDE_HFLAG_SINGLE))
return -ENOENT;
- return ide_host_add(d, hws, NULL);
+ return ide_host_add(d, hws, 2, NULL);
}
EXPORT_SYMBOL_GPL(ide_legacy_device_add);
diff --git a/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c
index 6e80b77..017b1df 100644
--- a/drivers/ide/ide-pnp.c
+++ b/drivers/ide/ide-pnp.c
@@ -29,6 +29,7 @@ static struct pnp_device_id idepnp_devices[] = {
static const struct ide_port_info ide_pnp_port_info = {
.host_flags = IDE_HFLAG_NO_DMA,
+ .chipset = ide_generic,
};
static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
@@ -36,7 +37,7 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
struct ide_host *host;
unsigned long base, ctl;
int rc;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
printk(KERN_INFO DRV_NAME ": generic PnP IDE interface\n");
@@ -62,9 +63,8 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
memset(&hw, 0, sizeof(hw));
ide_std_init_ports(&hw, base, ctl);
hw.irq = pnp_irq(dev, 0);
- hw.chipset = ide_generic;
- rc = ide_host_add(&ide_pnp_port_info, hws, &host);
+ rc = ide_host_add(&ide_pnp_port_info, hws, 1, &host);
if (rc)
goto out;
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index c895ed5..f371b0d 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -97,7 +97,7 @@ static void ide_disk_init_mult_count(ide_drive_t *drive)
drive->mult_req = id[ATA_ID_MULTSECT] & 0xff;
if (drive->mult_req)
- drive->special.b.set_multmode = 1;
+ drive->special_flags |= IDE_SFLAG_SET_MULTMODE;
}
}
@@ -465,23 +465,8 @@ static u8 probe_for_drive(ide_drive_t *drive)
int rc;
u8 cmd;
- /*
- * In order to keep things simple we have an id
- * block for all drives at all times. If the device
- * is pre ATA or refuses ATA/ATAPI identify we
- * will add faked data to this.
- *
- * Also note that 0 everywhere means "can't do X"
- */
-
drive->dev_flags &= ~IDE_DFLAG_ID_READ;
- drive->id = kzalloc(SECTOR_SIZE, GFP_KERNEL);
- if (drive->id == NULL) {
- printk(KERN_ERR "ide: out of memory for id data.\n");
- return 0;
- }
-
m = (char *)&drive->id[ATA_ID_PROD];
strcpy(m, "UNKNOWN");
@@ -497,7 +482,7 @@ static u8 probe_for_drive(ide_drive_t *drive)
}
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
- goto out_free;
+ return 0;
/* identification failed? */
if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
@@ -521,7 +506,7 @@ static u8 probe_for_drive(ide_drive_t *drive)
}
if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
- goto out_free;
+ return 0;
/* The drive wasn't being helpful. Add generic info only */
if ((drive->dev_flags & IDE_DFLAG_ID_READ) == 0) {
@@ -535,9 +520,6 @@ static u8 probe_for_drive(ide_drive_t *drive)
}
return 1;
-out_free:
- kfree(drive->id);
- return 0;
}
static void hwif_release_dev(struct device *dev)
@@ -702,8 +684,14 @@ static int ide_probe_port(ide_hwif_t *hwif)
if (irqd)
disable_irq(hwif->irq);
- if (ide_port_wait_ready(hwif) == -EBUSY)
- printk(KERN_DEBUG "%s: Wait for ready failed before probe !\n", hwif->name);
+ rc = ide_port_wait_ready(hwif);
+ if (rc == -ENODEV) {
+ printk(KERN_INFO "%s: no devices on the port\n", hwif->name);
+ goto out;
+ } else if (rc == -EBUSY)
+ printk(KERN_ERR "%s: not ready before the probe\n", hwif->name);
+ else
+ rc = -ENODEV;
/*
* Second drive should only exist if first drive was found,
@@ -714,7 +702,7 @@ static int ide_probe_port(ide_hwif_t *hwif)
if (drive->dev_flags & IDE_DFLAG_PRESENT)
rc = 0;
}
-
+out:
/*
* Use cached IRQ number. It might be (and is...) changed by probe
* code above
@@ -732,6 +720,8 @@ static void ide_port_tune_devices(ide_hwif_t *hwif)
int i;
ide_port_for_each_present_dev(i, drive, hwif) {
+ ide_check_nien_quirk_list(drive);
+
if (port_ops && port_ops->quirkproc)
port_ops->quirkproc(drive);
}
@@ -817,8 +807,6 @@ static int ide_port_setup_devices(ide_hwif_t *hwif)
if (ide_init_queue(drive)) {
printk(KERN_ERR "ide: failed to init %s\n",
drive->name);
- kfree(drive->id);
- drive->id = NULL;
drive->dev_flags &= ~IDE_DFLAG_PRESENT;
continue;
}
@@ -947,9 +935,6 @@ static void drive_release_dev (struct device *dev)
blk_cleanup_queue(drive->queue);
drive->queue = NULL;
- kfree(drive->id);
- drive->id = NULL;
-
drive->dev_flags &= ~IDE_DFLAG_PRESENT;
complete(&drive->gendev_rel_comp);
@@ -1035,6 +1020,15 @@ static void ide_port_init_devices(ide_hwif_t *hwif)
if (port_ops && port_ops->init_dev)
port_ops->init_dev(drive);
}
+
+ ide_port_for_each_dev(i, drive, hwif) {
+ /*
+ * default to PIO Mode 0 before we figure out
+ * the most suited mode for the attached device
+ */
+ if (port_ops && port_ops->set_pio_mode)
+ port_ops->set_pio_mode(drive, 0);
+ }
}
static void ide_init_port(ide_hwif_t *hwif, unsigned int port,
@@ -1042,8 +1036,7 @@ static void ide_init_port(ide_hwif_t *hwif, unsigned int port,
{
hwif->channel = port;
- if (d->chipset)
- hwif->chipset = d->chipset;
+ hwif->chipset = d->chipset ? d->chipset : ide_pci;
if (d->init_iops)
d->init_iops(hwif);
@@ -1124,16 +1117,19 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif)
ide_port_for_each_dev(i, drive, hwif) {
u8 j = (hwif->index * MAX_DRIVES) + i;
+ u16 *saved_id = drive->id;
memset(drive, 0, sizeof(*drive));
+ memset(saved_id, 0, SECTOR_SIZE);
+ drive->id = saved_id;
drive->media = ide_disk;
drive->select = (i << 4) | ATA_DEVICE_OBS;
drive->hwif = hwif;
drive->ready_stat = ATA_DRDY;
drive->bad_wstat = BAD_W_STAT;
- drive->special.b.recalibrate = 1;
- drive->special.b.set_geometry = 1;
+ drive->special_flags = IDE_SFLAG_RECALIBRATE |
+ IDE_SFLAG_SET_GEOMETRY;
drive->name[0] = 'h';
drive->name[1] = 'd';
drive->name[2] = 'a' + j;
@@ -1168,11 +1164,10 @@ static void ide_init_port_data(ide_hwif_t *hwif, unsigned int index)
ide_port_init_devices_data(hwif);
}
-static void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw)
+static void ide_init_port_hw(ide_hwif_t *hwif, struct ide_hw *hw)
{
memcpy(&hwif->io_ports, &hw->io_ports, sizeof(hwif->io_ports));
hwif->irq = hw->irq;
- hwif->chipset = hw->chipset;
hwif->dev = hw->dev;
hwif->gendev.parent = hw->parent ? hw->parent : hw->dev;
hwif->ack_intr = hw->ack_intr;
@@ -1233,8 +1228,10 @@ static void ide_port_free_devices(ide_hwif_t *hwif)
ide_drive_t *drive;
int i;
- ide_port_for_each_dev(i, drive, hwif)
+ ide_port_for_each_dev(i, drive, hwif) {
+ kfree(drive->id);
kfree(drive);
+ }
}
static int ide_port_alloc_devices(ide_hwif_t *hwif, int node)
@@ -1248,6 +1245,18 @@ static int ide_port_alloc_devices(ide_hwif_t *hwif, int node)
if (drive == NULL)
goto out_nomem;
+ /*
+ * In order to keep things simple we have an id
+ * block for all drives at all times. If the device
+ * is pre ATA or refuses ATA/ATAPI identify we
+ * will add faked data to this.
+ *
+ * Also note that 0 everywhere means "can't do X"
+ */
+ drive->id = kzalloc_node(SECTOR_SIZE, GFP_KERNEL, node);
+ if (drive->id == NULL)
+ goto out_nomem;
+
hwif->devices[i] = drive;
}
return 0;
@@ -1257,7 +1266,8 @@ out_nomem:
return -ENOMEM;
}
-struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws)
+struct ide_host *ide_host_alloc(const struct ide_port_info *d,
+ struct ide_hw **hws, unsigned int n_ports)
{
struct ide_host *host;
struct device *dev = hws[0] ? hws[0]->dev : NULL;
@@ -1268,7 +1278,7 @@ struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws)
if (host == NULL)
return NULL;
- for (i = 0; i < MAX_HOST_PORTS; i++) {
+ for (i = 0; i < n_ports; i++) {
ide_hwif_t *hwif;
int idx;
@@ -1288,6 +1298,7 @@ struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws)
if (idx < 0) {
printk(KERN_ERR "%s: no free slot for interface\n",
d ? d->name : "ide");
+ ide_port_free_devices(hwif);
kfree(hwif);
continue;
}
@@ -1344,7 +1355,7 @@ static void ide_disable_port(ide_hwif_t *hwif)
}
int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
- hw_regs_t **hws)
+ struct ide_hw **hws)
{
ide_hwif_t *hwif, *mate = NULL;
int i, j = 0;
@@ -1438,13 +1449,13 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
}
EXPORT_SYMBOL_GPL(ide_host_register);
-int ide_host_add(const struct ide_port_info *d, hw_regs_t **hws,
- struct ide_host **hostp)
+int ide_host_add(const struct ide_port_info *d, struct ide_hw **hws,
+ unsigned int n_ports, struct ide_host **hostp)
{
struct ide_host *host;
int rc;
- host = ide_host_alloc(d, hws);
+ host = ide_host_alloc(d, hws, n_ports);
if (host == NULL)
return -ENOMEM;
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index d9764f0..4b447a8 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -240,18 +240,27 @@ static struct class *idetape_sysfs_class;
static void ide_tape_release(struct device *);
-static struct ide_tape_obj *ide_tape_get(struct gendisk *disk)
+static struct ide_tape_obj *idetape_devs[MAX_HWIFS * MAX_DRIVES];
+
+static struct ide_tape_obj *ide_tape_get(struct gendisk *disk, bool cdev,
+ unsigned int i)
{
struct ide_tape_obj *tape = NULL;
mutex_lock(&idetape_ref_mutex);
- tape = ide_drv_g(disk, ide_tape_obj);
+
+ if (cdev)
+ tape = idetape_devs[i];
+ else
+ tape = ide_drv_g(disk, ide_tape_obj);
+
if (tape) {
if (ide_device_get(tape->drive))
tape = NULL;
else
get_device(&tape->dev);
}
+
mutex_unlock(&idetape_ref_mutex);
return tape;
}
@@ -267,24 +276,6 @@ static void ide_tape_put(struct ide_tape_obj *tape)
}
/*
- * The variables below are used for the character device interface. Additional
- * state variables are defined in our ide_drive_t structure.
- */
-static struct ide_tape_obj *idetape_devs[MAX_HWIFS * MAX_DRIVES];
-
-static struct ide_tape_obj *ide_tape_chrdev_get(unsigned int i)
-{
- struct ide_tape_obj *tape = NULL;
-
- mutex_lock(&idetape_ref_mutex);
- tape = idetape_devs[i];
- if (tape)
- get_device(&tape->dev);
- mutex_unlock(&idetape_ref_mutex);
- return tape;
-}
-
-/*
* called on each failed packet command retry to analyze the request sense. We
* currently do not utilize this information.
*/
@@ -397,7 +388,8 @@ static int ide_tape_callback(ide_drive_t *drive, int dsc)
if (readpos[0] & 0x4) {
printk(KERN_INFO "ide-tape: Block location is unknown"
"to the tape\n");
- clear_bit(IDE_AFLAG_ADDRESS_VALID, &drive->atapi_flags);
+ clear_bit(ilog2(IDE_AFLAG_ADDRESS_VALID),
+ &drive->atapi_flags);
uptodate = 0;
err = IDE_DRV_ERROR_GENERAL;
} else {
@@ -406,7 +398,8 @@ static int ide_tape_callback(ide_drive_t *drive, int dsc)
tape->partition = readpos[1];
tape->first_frame = be32_to_cpup((__be32 *)&readpos[4]);
- set_bit(IDE_AFLAG_ADDRESS_VALID, &drive->atapi_flags);
+ set_bit(ilog2(IDE_AFLAG_ADDRESS_VALID),
+ &drive->atapi_flags);
}
}
@@ -656,15 +649,15 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
if ((drive->dev_flags & IDE_DFLAG_DSC_OVERLAP) == 0 &&
(rq->cmd[13] & REQ_IDETAPE_PC2) == 0)
- set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
+ drive->atapi_flags |= IDE_AFLAG_IGNORE_DSC;
if (drive->dev_flags & IDE_DFLAG_POST_RESET) {
- set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
+ drive->atapi_flags |= IDE_AFLAG_IGNORE_DSC;
drive->dev_flags &= ~IDE_DFLAG_POST_RESET;
}
- if (!test_and_clear_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags) &&
- (stat & ATA_DSC) == 0) {
+ if (!(drive->atapi_flags & IDE_AFLAG_IGNORE_DSC) &&
+ !(stat & ATA_DSC)) {
if (postponed_rq == NULL) {
tape->dsc_polling_start = jiffies;
tape->dsc_poll_freq = tape->best_dsc_rw_freq;
@@ -684,7 +677,9 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
tape->dsc_poll_freq = IDETAPE_DSC_MA_SLOW;
idetape_postpone_request(drive);
return ide_stopped;
- }
+ } else
+ drive->atapi_flags &= ~IDE_AFLAG_IGNORE_DSC;
+
if (rq->cmd[13] & REQ_IDETAPE_READ) {
pc = &tape->queued_pc;
ide_tape_create_rw_cmd(tape, pc, rq, READ_6);
@@ -744,7 +739,7 @@ static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout)
int load_attempted = 0;
/* Wait for the tape to become ready */
- set_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags);
+ set_bit(ilog2(IDE_AFLAG_MEDIUM_PRESENT), &drive->atapi_flags);
timeout += jiffies;
while (time_before(jiffies, timeout)) {
if (ide_do_test_unit_ready(drive, disk) == 0)
@@ -820,7 +815,7 @@ static void __ide_tape_discard_merge_buffer(ide_drive_t *drive)
if (tape->chrdev_dir != IDETAPE_DIR_READ)
return;
- clear_bit(IDE_AFLAG_FILEMARK, &drive->atapi_flags);
+ clear_bit(ilog2(IDE_AFLAG_FILEMARK), &drive->atapi_flags);
tape->valid = 0;
if (tape->buf != NULL) {
kfree(tape->buf);
@@ -1113,7 +1108,8 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op,
if (tape->chrdev_dir == IDETAPE_DIR_READ) {
tape->valid = 0;
- if (test_and_clear_bit(IDE_AFLAG_FILEMARK, &drive->atapi_flags))
+ if (test_and_clear_bit(ilog2(IDE_AFLAG_FILEMARK),
+ &drive->atapi_flags))
++count;
ide_tape_discard_merge_buffer(drive, 0);
}
@@ -1168,7 +1164,7 @@ static ssize_t idetape_chrdev_read(struct file *file, char __user *buf,
debug_log(DBG_CHRDEV, "Enter %s, count %Zd\n", __func__, count);
if (tape->chrdev_dir != IDETAPE_DIR_READ) {
- if (test_bit(IDE_AFLAG_DETECT_BS, &drive->atapi_flags))
+ if (test_bit(ilog2(IDE_AFLAG_DETECT_BS), &drive->atapi_flags))
if (count > tape->blk_size &&
(count % tape->blk_size) == 0)
tape->user_bs_factor = count / tape->blk_size;
@@ -1184,7 +1180,8 @@ static ssize_t idetape_chrdev_read(struct file *file, char __user *buf,
/* refill if staging buffer is empty */
if (!tape->valid) {
/* If we are at a filemark, nothing more to read */
- if (test_bit(IDE_AFLAG_FILEMARK, &drive->atapi_flags))
+ if (test_bit(ilog2(IDE_AFLAG_FILEMARK),
+ &drive->atapi_flags))
break;
/* read */
if (idetape_queue_rw_tail(drive, REQ_IDETAPE_READ,
@@ -1202,7 +1199,7 @@ static ssize_t idetape_chrdev_read(struct file *file, char __user *buf,
done += todo;
}
- if (!done && test_bit(IDE_AFLAG_FILEMARK, &drive->atapi_flags)) {
+ if (!done && test_bit(ilog2(IDE_AFLAG_FILEMARK), &drive->atapi_flags)) {
debug_log(DBG_SENSE, "%s: spacing over filemark\n", tape->name);
idetape_space_over_filemarks(drive, MTFSF, 1);
@@ -1336,7 +1333,8 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
ide_tape_discard_merge_buffer(drive, 0);
retval = ide_do_start_stop(drive, disk, !IDETAPE_LU_LOAD_MASK);
if (!retval)
- clear_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags);
+ clear_bit(ilog2(IDE_AFLAG_MEDIUM_PRESENT),
+ &drive->atapi_flags);
return retval;
case MTNOP:
ide_tape_discard_merge_buffer(drive, 0);
@@ -1358,9 +1356,11 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
mt_count % tape->blk_size)
return -EIO;
tape->user_bs_factor = mt_count / tape->blk_size;
- clear_bit(IDE_AFLAG_DETECT_BS, &drive->atapi_flags);
+ clear_bit(ilog2(IDE_AFLAG_DETECT_BS),
+ &drive->atapi_flags);
} else
- set_bit(IDE_AFLAG_DETECT_BS, &drive->atapi_flags);
+ set_bit(ilog2(IDE_AFLAG_DETECT_BS),
+ &drive->atapi_flags);
return 0;
case MTSEEK:
ide_tape_discard_merge_buffer(drive, 0);
@@ -1486,7 +1486,7 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp)
return -ENXIO;
lock_kernel();
- tape = ide_tape_chrdev_get(i);
+ tape = ide_tape_get(NULL, true, i);
if (!tape) {
unlock_kernel();
return -ENXIO;
@@ -1505,20 +1505,20 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp)
filp->private_data = tape;
- if (test_and_set_bit(IDE_AFLAG_BUSY, &drive->atapi_flags)) {
+ if (test_and_set_bit(ilog2(IDE_AFLAG_BUSY), &drive->atapi_flags)) {
retval = -EBUSY;
goto out_put_tape;
}
retval = idetape_wait_ready(drive, 60 * HZ);
if (retval) {
- clear_bit(IDE_AFLAG_BUSY, &drive->atapi_flags);
+ clear_bit(ilog2(IDE_AFLAG_BUSY), &drive->atapi_flags);
printk(KERN_ERR "ide-tape: %s: drive not ready\n", tape->name);
goto out_put_tape;
}
idetape_read_position(drive);
- if (!test_bit(IDE_AFLAG_ADDRESS_VALID, &drive->atapi_flags))
+ if (!test_bit(ilog2(IDE_AFLAG_ADDRESS_VALID), &drive->atapi_flags))
(void)idetape_rewind_tape(drive);
/* Read block size and write protect status from drive. */
@@ -1534,7 +1534,7 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp)
if (tape->write_prot) {
if ((filp->f_flags & O_ACCMODE) == O_WRONLY ||
(filp->f_flags & O_ACCMODE) == O_RDWR) {
- clear_bit(IDE_AFLAG_BUSY, &drive->atapi_flags);
+ clear_bit(ilog2(IDE_AFLAG_BUSY), &drive->atapi_flags);
retval = -EROFS;
goto out_put_tape;
}
@@ -1591,15 +1591,17 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp)
ide_tape_discard_merge_buffer(drive, 1);
}
- if (minor < 128 && test_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags))
+ if (minor < 128 && test_bit(ilog2(IDE_AFLAG_MEDIUM_PRESENT),
+ &drive->atapi_flags))
(void) idetape_rewind_tape(drive);
+
if (tape->chrdev_dir == IDETAPE_DIR_NONE) {
if (tape->door_locked == DOOR_LOCKED) {
if (!ide_set_media_lock(drive, tape->disk, 0))
tape->door_locked = DOOR_UNLOCKED;
}
}
- clear_bit(IDE_AFLAG_BUSY, &drive->atapi_flags);
+ clear_bit(ilog2(IDE_AFLAG_BUSY), &drive->atapi_flags);
ide_tape_put(tape);
unlock_kernel();
return 0;
@@ -1905,7 +1907,7 @@ static const struct file_operations idetape_fops = {
static int idetape_open(struct block_device *bdev, fmode_t mode)
{
- struct ide_tape_obj *tape = ide_tape_get(bdev->bd_disk);
+ struct ide_tape_obj *tape = ide_tape_get(bdev->bd_disk, false, 0);
if (!tape)
return -ENXIO;
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index a0c3e1b..75b85a8 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -98,7 +98,6 @@ ide_startstop_t do_rw_taskfile(ide_drive_t *drive, struct ide_cmd *orig_cmd)
if ((cmd->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
ide_tf_dump(drive->name, cmd);
tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
- SELECT_MASK(drive, 0);
if (cmd->ftf_flags & IDE_FTFLAG_OUT_DATA) {
u8 data[2] = { cmd->tf.data, cmd->hob.data };
@@ -166,7 +165,7 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) {
if (custom && tf->command == ATA_CMD_SET_MULTI) {
drive->mult_req = drive->mult_count = 0;
- drive->special.b.recalibrate = 1;
+ drive->special_flags |= IDE_SFLAG_RECALIBRATE;
(void)ide_dump_status(drive, __func__, stat);
return ide_stopped;
} else if (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) {
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 92c9b90..16d0569 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -211,6 +211,11 @@ static unsigned int ide_noflush;
module_param_call(noflush, ide_set_dev_param_mask, NULL, &ide_noflush, 0);
MODULE_PARM_DESC(noflush, "disable flush requests for a device");
+static unsigned int ide_nohpa;
+
+module_param_call(nohpa, ide_set_dev_param_mask, NULL, &ide_nohpa, 0);
+MODULE_PARM_DESC(nohpa, "disable Host Protected Area for a device");
+
static unsigned int ide_noprobe;
module_param_call(noprobe, ide_set_dev_param_mask, NULL, &ide_noprobe, 0);
@@ -281,6 +286,11 @@ static void ide_dev_apply_params(ide_drive_t *drive, u8 unit)
drive->name);
drive->dev_flags |= IDE_DFLAG_NOFLUSH;
}
+ if (ide_nohpa & (1 << i)) {
+ printk(KERN_INFO "ide: disabling Host Protected Area for %s\n",
+ drive->name);
+ drive->dev_flags |= IDE_DFLAG_NOHPA;
+ }
if (ide_noprobe & (1 << i)) {
printk(KERN_INFO "ide: skipping probe for %s\n", drive->name);
drive->dev_flags |= IDE_DFLAG_NOPROBE;
diff --git a/drivers/ide/ide_platform.c b/drivers/ide/ide_platform.c
index 051b4ab..ee9b55e 100644
--- a/drivers/ide/ide_platform.c
+++ b/drivers/ide/ide_platform.c
@@ -21,7 +21,7 @@
#include <linux/platform_device.h>
#include <linux/io.h>
-static void __devinit plat_ide_setup_ports(hw_regs_t *hw,
+static void __devinit plat_ide_setup_ports(struct ide_hw *hw,
void __iomem *base,
void __iomem *ctrl,
struct pata_platform_info *pdata,
@@ -40,12 +40,11 @@ static void __devinit plat_ide_setup_ports(hw_regs_t *hw,
hw->io_ports.ctl_addr = (unsigned long)ctrl;
hw->irq = irq;
-
- hw->chipset = ide_generic;
}
static const struct ide_port_info platform_ide_port_info = {
.host_flags = IDE_HFLAG_NO_DMA,
+ .chipset = ide_generic,
};
static int __devinit plat_ide_probe(struct platform_device *pdev)
@@ -55,7 +54,7 @@ static int __devinit plat_ide_probe(struct platform_device *pdev)
struct pata_platform_info *pdata;
struct ide_host *host;
int ret = 0, mmio = 0;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
struct ide_port_info d = platform_ide_port_info;
pdata = pdev->dev.platform_data;
@@ -99,7 +98,7 @@ static int __devinit plat_ide_probe(struct platform_device *pdev)
if (mmio)
d.host_flags |= IDE_HFLAG_MMIO;
- ret = ide_host_add(&d, hws, &host);
+ ret = ide_host_add(&d, hws, 1, &host);
if (ret)
goto out;
diff --git a/drivers/ide/macide.c b/drivers/ide/macide.c
index 4b1718e..1447c8c 100644
--- a/drivers/ide/macide.c
+++ b/drivers/ide/macide.c
@@ -62,7 +62,7 @@ int macide_ack_intr(ide_hwif_t* hwif)
return 0;
}
-static void __init macide_setup_ports(hw_regs_t *hw, unsigned long base,
+static void __init macide_setup_ports(struct ide_hw *hw, unsigned long base,
int irq, ide_ack_intr_t *ack_intr)
{
int i;
@@ -76,13 +76,12 @@ static void __init macide_setup_ports(hw_regs_t *hw, unsigned long base,
hw->irq = irq;
hw->ack_intr = ack_intr;
-
- hw->chipset = ide_generic;
}
static const struct ide_port_info macide_port_info = {
.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
.irq_flags = IRQF_SHARED,
+ .chipset = ide_generic,
};
static const char *mac_ide_name[] =
@@ -97,7 +96,7 @@ static int __init macide_init(void)
ide_ack_intr_t *ack_intr;
unsigned long base;
int irq;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
if (!MACH_IS_MAC)
return -ENODEV;
@@ -127,7 +126,7 @@ static int __init macide_init(void)
macide_setup_ports(&hw, base, irq, ack_intr);
- return ide_host_add(&macide_port_info, hws, NULL);
+ return ide_host_add(&macide_port_info, hws, 1, NULL);
}
module_init(macide_init);
diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c
index 09d813d..3c1dc01 100644
--- a/drivers/ide/palm_bk3710.c
+++ b/drivers/ide/palm_bk3710.c
@@ -306,6 +306,7 @@ static struct ide_port_info __devinitdata palm_bk3710_port_info = {
.host_flags = IDE_HFLAG_MMIO,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
+ .chipset = ide_palm3710,
};
static int __init palm_bk3710_probe(struct platform_device *pdev)
@@ -315,7 +316,7 @@ static int __init palm_bk3710_probe(struct platform_device *pdev)
void __iomem *base;
unsigned long rate, mem_size;
int i, rc;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
clk = clk_get(&pdev->dev, "IDECLK");
if (IS_ERR(clk))
@@ -363,13 +364,12 @@ static int __init palm_bk3710_probe(struct platform_device *pdev)
(base + IDE_PALM_ATA_PRI_CTL_OFFSET);
hw.irq = irq->start;
hw.dev = &pdev->dev;
- hw.chipset = ide_palm3710;
palm_bk3710_port_info.udma_mask = rate < 100000000 ? ATA_UDMA4 :
ATA_UDMA5;
/* Register the IDE interface with Linux */
- rc = ide_host_add(&palm_bk3710_port_info, hws, NULL);
+ rc = ide_host_add(&palm_bk3710_port_info, hws, 1, NULL);
if (rc)
goto out;
diff --git a/drivers/ide/pdc202xx_new.c b/drivers/ide/pdc202xx_new.c
index b68906c..65ba823 100644
--- a/drivers/ide/pdc202xx_new.c
+++ b/drivers/ide/pdc202xx_new.c
@@ -40,18 +40,6 @@
#define DBG(fmt, args...)
#endif
-static const char *pdc_quirk_drives[] = {
- "QUANTUM FIREBALLlct08 08",
- "QUANTUM FIREBALLP KA6.4",
- "QUANTUM FIREBALLP KA9.1",
- "QUANTUM FIREBALLP LM20.4",
- "QUANTUM FIREBALLP KX13.6",
- "QUANTUM FIREBALLP KX20.5",
- "QUANTUM FIREBALLP KX27.3",
- "QUANTUM FIREBALLP LM20.5",
- NULL
-};
-
static u8 max_dma_rate(struct pci_dev *pdev)
{
u8 mode;
@@ -200,19 +188,6 @@ static u8 pdcnew_cable_detect(ide_hwif_t *hwif)
return ATA_CBL_PATA80;
}
-static void pdcnew_quirkproc(ide_drive_t *drive)
-{
- const char **list, *m = (char *)&drive->id[ATA_ID_PROD];
-
- for (list = pdc_quirk_drives; *list != NULL; list++)
- if (strstr(m, *list) != NULL) {
- drive->quirk_list = 2;
- return;
- }
-
- drive->quirk_list = 0;
-}
-
static void pdcnew_reset(ide_drive_t *drive)
{
/*
@@ -473,7 +448,6 @@ static struct pci_dev * __devinit pdc20270_get_dev2(struct pci_dev *dev)
static const struct ide_port_ops pdcnew_port_ops = {
.set_pio_mode = pdcnew_set_pio_mode,
.set_dma_mode = pdcnew_set_dma_mode,
- .quirkproc = pdcnew_quirkproc,
.resetproc = pdcnew_reset,
.cable_detect = pdcnew_cable_detect,
};
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
index e24ecc8..b6abf7e 100644
--- a/drivers/ide/pdc202xx_old.c
+++ b/drivers/ide/pdc202xx_old.c
@@ -23,18 +23,6 @@
#define PDC202XX_DEBUG_DRIVE_INFO 0
-static const char *pdc_quirk_drives[] = {
- "QUANTUM FIREBALLlct08 08",
- "QUANTUM FIREBALLP KA6.4",
- "QUANTUM FIREBALLP KA9.1",
- "QUANTUM FIREBALLP LM20.4",
- "QUANTUM FIREBALLP KX13.6",
- "QUANTUM FIREBALLP KX20.5",
- "QUANTUM FIREBALLP KX27.3",
- "QUANTUM FIREBALLP LM20.5",
- NULL
-};
-
static void pdc_old_disable_66MHz_clock(ide_hwif_t *);
static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed)
@@ -151,19 +139,6 @@ static void pdc_old_disable_66MHz_clock(ide_hwif_t *hwif)
outb(clock & ~(hwif->channel ? 0x08 : 0x02), clock_reg);
}
-static void pdc202xx_quirkproc(ide_drive_t *drive)
-{
- const char **list, *m = (char *)&drive->id[ATA_ID_PROD];
-
- for (list = pdc_quirk_drives; *list != NULL; list++)
- if (strstr(m, *list) != NULL) {
- drive->quirk_list = 2;
- return;
- }
-
- drive->quirk_list = 0;
-}
-
static void pdc202xx_dma_start(ide_drive_t *drive)
{
if (drive->current_speed > XFER_UDMA_2)
@@ -203,52 +178,6 @@ static int pdc202xx_dma_end(ide_drive_t *drive)
return ide_dma_end(drive);
}
-static int pdc202xx_dma_test_irq(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- unsigned long high_16 = hwif->extra_base - 16;
- u8 dma_stat = inb(hwif->dma_base + ATA_DMA_STATUS);
- u8 sc1d = inb(high_16 + 0x001d);
-
- if (hwif->channel) {
- /* bit7: Error, bit6: Interrupting, bit5: FIFO Full, bit4: FIFO Empty */
- if ((sc1d & 0x50) == 0x50)
- goto somebody_else;
- else if ((sc1d & 0x40) == 0x40)
- return (dma_stat & 4) == 4;
- } else {
- /* bit3: Error, bit2: Interrupting, bit1: FIFO Full, bit0: FIFO Empty */
- if ((sc1d & 0x05) == 0x05)
- goto somebody_else;
- else if ((sc1d & 0x04) == 0x04)
- return (dma_stat & 4) == 4;
- }
-somebody_else:
- return (dma_stat & 4) == 4; /* return 1 if INTR asserted */
-}
-
-static void pdc202xx_reset(ide_drive_t *drive)
-{
- ide_hwif_t *hwif = drive->hwif;
- unsigned long high_16 = hwif->extra_base - 16;
- u8 udma_speed_flag = inb(high_16 | 0x001f);
-
- printk(KERN_WARNING "PDC202xx: software reset...\n");
-
- outb(udma_speed_flag | 0x10, high_16 | 0x001f);
- mdelay(100);
- outb(udma_speed_flag & ~0x10, high_16 | 0x001f);
- mdelay(2000); /* 2 seconds ?! */
-
- ide_set_max_pio(drive);
-}
-
-static void pdc202xx_dma_lost_irq(ide_drive_t *drive)
-{
- pdc202xx_reset(drive);
- ide_dma_lost_irq(drive);
-}
-
static int init_chipset_pdc202xx(struct pci_dev *dev)
{
unsigned long dmabase = pci_resource_start(dev, 4);
@@ -302,37 +231,22 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev,
static const struct ide_port_ops pdc20246_port_ops = {
.set_pio_mode = pdc202xx_set_pio_mode,
.set_dma_mode = pdc202xx_set_mode,
- .quirkproc = pdc202xx_quirkproc,
};
static const struct ide_port_ops pdc2026x_port_ops = {
.set_pio_mode = pdc202xx_set_pio_mode,
.set_dma_mode = pdc202xx_set_mode,
- .quirkproc = pdc202xx_quirkproc,
- .resetproc = pdc202xx_reset,
.cable_detect = pdc2026x_cable_detect,
};
-static const struct ide_dma_ops pdc20246_dma_ops = {
- .dma_host_set = ide_dma_host_set,
- .dma_setup = ide_dma_setup,
- .dma_start = ide_dma_start,
- .dma_end = ide_dma_end,
- .dma_test_irq = pdc202xx_dma_test_irq,
- .dma_lost_irq = ide_dma_lost_irq,
- .dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_sff_read_status = ide_dma_sff_read_status,
-};
-
static const struct ide_dma_ops pdc2026x_dma_ops = {
.dma_host_set = ide_dma_host_set,
.dma_setup = ide_dma_setup,
.dma_start = pdc202xx_dma_start,
.dma_end = pdc202xx_dma_end,
- .dma_test_irq = pdc202xx_dma_test_irq,
- .dma_lost_irq = pdc202xx_dma_lost_irq,
+ .dma_test_irq = ide_dma_test_irq,
+ .dma_lost_irq = ide_dma_lost_irq,
.dma_timer_expiry = ide_dma_sff_timer_expiry,
- .dma_clear = pdc202xx_reset,
.dma_sff_read_status = ide_dma_sff_read_status,
};
@@ -354,7 +268,7 @@ static const struct ide_port_info pdc202xx_chipsets[] __devinitdata = {
.name = DRV_NAME,
.init_chipset = init_chipset_pdc202xx,
.port_ops = &pdc20246_port_ops,
- .dma_ops = &pdc20246_dma_ops,
+ .dma_ops = &sff_dma_ops,
.host_flags = IDE_HFLAGS_PDC202XX,
.pio_mask = ATA_PIO4,
.mwdma_mask = ATA_MWDMA2,
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index f76e4e6..97642a7 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -1023,13 +1023,14 @@ static const struct ide_port_info pmac_port_info = {
* Setup, register & probe an IDE channel driven by this driver, this is
* called by one of the 2 probe functions (macio or PCI).
*/
-static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw)
+static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif,
+ struct ide_hw *hw)
{
struct device_node *np = pmif->node;
const int *bidp;
struct ide_host *host;
ide_hwif_t *hwif;
- hw_regs_t *hws[] = { hw, NULL, NULL, NULL };
+ struct ide_hw *hws[] = { hw };
struct ide_port_info d = pmac_port_info;
int rc;
@@ -1077,7 +1078,7 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw)
/* Make sure we have sane timings */
sanitize_timings(pmif);
- host = ide_host_alloc(&d, hws);
+ host = ide_host_alloc(&d, hws, 1);
if (host == NULL)
return -ENOMEM;
hwif = host->ports[0];
@@ -1124,7 +1125,7 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw)
return 0;
}
-static void __devinit pmac_ide_init_ports(hw_regs_t *hw, unsigned long base)
+static void __devinit pmac_ide_init_ports(struct ide_hw *hw, unsigned long base)
{
int i;
@@ -1144,7 +1145,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
unsigned long regbase;
pmac_ide_hwif_t *pmif;
int irq, rc;
- hw_regs_t hw;
+ struct ide_hw hw;
pmif = kzalloc(sizeof(*pmif), GFP_KERNEL);
if (pmif == NULL)
@@ -1268,7 +1269,7 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id)
void __iomem *base;
unsigned long rbase, rlen;
int rc;
- hw_regs_t hw;
+ struct ide_hw hw;
np = pci_device_to_OF_node(pdev);
if (np == NULL) {
diff --git a/drivers/ide/q40ide.c b/drivers/ide/q40ide.c
index c793466..ab49a97 100644
--- a/drivers/ide/q40ide.c
+++ b/drivers/ide/q40ide.c
@@ -51,11 +51,11 @@ static int q40ide_default_irq(unsigned long base)
/*
* Addresses are pretranslated for Q40 ISA access.
*/
-static void q40_ide_setup_ports(hw_regs_t *hw, unsigned long base,
+static void q40_ide_setup_ports(struct ide_hw *hw, unsigned long base,
ide_ack_intr_t *ack_intr,
int irq)
{
- memset(hw, 0, sizeof(hw_regs_t));
+ memset(hw, 0, sizeof(*hw));
/* BIG FAT WARNING:
assumption: only DATA port is ever used in 16 bit mode */
hw->io_ports.data_addr = Q40_ISA_IO_W(base);
@@ -70,8 +70,6 @@ static void q40_ide_setup_ports(hw_regs_t *hw, unsigned long base,
hw->irq = irq;
hw->ack_intr = ack_intr;
-
- hw->chipset = ide_generic;
}
static void q40ide_input_data(ide_drive_t *drive, struct ide_cmd *cmd,
@@ -119,6 +117,7 @@ static const struct ide_port_info q40ide_port_info = {
.tp_ops = &q40ide_tp_ops,
.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
.irq_flags = IRQF_SHARED,
+ .chipset = ide_generic,
};
/*
@@ -136,7 +135,7 @@ static const char *q40_ide_names[Q40IDE_NUM_HWIFS]={
static int __init q40ide_init(void)
{
int i;
- hw_regs_t hw[Q40IDE_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL };
+ struct ide_hw hw[Q40IDE_NUM_HWIFS], *hws[] = { NULL, NULL };
if (!MACH_IS_Q40)
return -ENODEV;
@@ -163,7 +162,7 @@ static int __init q40ide_init(void)
hws[i] = &hw[i];
}
- return ide_host_add(&q40ide_port_info, hws, NULL);
+ return ide_host_add(&q40ide_port_info, hws, Q40IDE_NUM_HWIFS, NULL);
}
module_init(q40ide_init);
diff --git a/drivers/ide/rapide.c b/drivers/ide/rapide.c
index d5003ca..00f5424 100644
--- a/drivers/ide/rapide.c
+++ b/drivers/ide/rapide.c
@@ -13,9 +13,10 @@
static const struct ide_port_info rapide_port_info = {
.host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA,
+ .chipset = ide_generic,
};
-static void rapide_setup_ports(hw_regs_t *hw, void __iomem *base,
+static void rapide_setup_ports(struct ide_hw *hw, void __iomem *base,
void __iomem *ctrl, unsigned int sz, int irq)
{
unsigned long port = (unsigned long)base;
@@ -35,7 +36,7 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
void __iomem *base;
struct ide_host *host;
int ret;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
ret = ecard_request_resources(ec);
if (ret)
@@ -49,10 +50,9 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id)
memset(&hw, 0, sizeof(hw));
rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);
- hw.chipset = ide_generic;
hw.dev = &ec->dev;
- ret = ide_host_add(&rapide_port_info, hws, &host);
+ ret = ide_host_add(&rapide_port_info, hws, 1, &host);
if (ret)
goto release;
diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c
index 5be41f2..1104bb3 100644
--- a/drivers/ide/scc_pata.c
+++ b/drivers/ide/scc_pata.c
@@ -559,7 +559,7 @@ static int scc_ide_setup_pci_device(struct pci_dev *dev,
{
struct scc_ports *ports = pci_get_drvdata(dev);
struct ide_host *host;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
int i, rc;
memset(&hw, 0, sizeof(hw));
@@ -567,9 +567,8 @@ static int scc_ide_setup_pci_device(struct pci_dev *dev,
hw.io_ports_array[i] = ports->dma + 0x20 + i * 4;
hw.irq = dev->irq;
hw.dev = &dev->dev;
- hw.chipset = ide_pci;
- rc = ide_host_add(d, hws, &host);
+ rc = ide_host_add(d, hws, 1, &host);
if (rc)
return rc;
@@ -823,6 +822,7 @@ static const struct ide_port_info scc_chipset __devinitdata = {
.host_flags = IDE_HFLAG_SINGLE,
.irq_flags = IRQF_SHARED,
.pio_mask = ATA_PIO4,
+ .chipset = ide_pci,
};
/**
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 7a3a12d..ab3db61 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -1,7 +1,7 @@
/*
* Copyright (C) 1998-2000 Andre Hedrick <andre@...ux-ide.org>
* Copyright (C) 1995-1998 Mark Lord
- * Copyright (C) 2007 Bartlomiej Zolnierkiewicz
+ * Copyright (C) 2007-2009 Bartlomiej Zolnierkiewicz
*
* May be copied or modified under the terms of the GNU General Public License
*/
@@ -301,11 +301,11 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info *
}
/**
- * ide_hw_configure - configure a hw_regs_t instance
+ * ide_hw_configure - configure a struct ide_hw instance
* @dev: PCI device holding interface
* @d: IDE port info
* @port: port number
- * @hw: hw_regs_t instance corresponding to this port
+ * @hw: struct ide_hw instance corresponding to this port
*
* Perform the initial set up for the hardware interface structure. This
* is done per interface port rather than per PCI device. There may be
@@ -315,7 +315,7 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info *
*/
static int ide_hw_configure(struct pci_dev *dev, const struct ide_port_info *d,
- unsigned int port, hw_regs_t *hw)
+ unsigned int port, struct ide_hw *hw)
{
unsigned long ctl = 0, base = 0;
@@ -344,7 +344,6 @@ static int ide_hw_configure(struct pci_dev *dev, const struct ide_port_info *d,
memset(hw, 0, sizeof(*hw));
hw->dev = &dev->dev;
- hw->chipset = d->chipset ? d->chipset : ide_pci;
ide_std_init_ports(hw, base, ctl | 2);
return 0;
@@ -446,8 +445,8 @@ out:
* ide_pci_setup_ports - configure ports/devices on PCI IDE
* @dev: PCI device
* @d: IDE port info
- * @hw: hw_regs_t instances corresponding to this PCI IDE device
- * @hws: hw_regs_t pointers table to update
+ * @hw: struct ide_hw instances corresponding to this PCI IDE device
+ * @hws: struct ide_hw pointers table to update
*
* Scan the interfaces attached to this device and do any
* necessary per port setup. Attach the devices and ask the
@@ -459,7 +458,7 @@ out:
*/
void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d,
- hw_regs_t *hw, hw_regs_t **hws)
+ struct ide_hw *hw, struct ide_hw **hws)
{
int channels = (d->host_flags & IDE_HFLAG_SINGLE) ? 1 : 2, port;
u8 tmp;
@@ -535,61 +534,15 @@ out:
return ret;
}
-int ide_pci_init_one(struct pci_dev *dev, const struct ide_port_info *d,
- void *priv)
-{
- struct ide_host *host;
- hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL };
- int ret;
-
- ret = ide_setup_pci_controller(dev, d, 1);
- if (ret < 0)
- goto out;
-
- ide_pci_setup_ports(dev, d, &hw[0], &hws[0]);
-
- host = ide_host_alloc(d, hws);
- if (host == NULL) {
- ret = -ENOMEM;
- goto out;
- }
-
- host->dev[0] = &dev->dev;
-
- host->host_priv = priv;
-
- host->irq_flags = IRQF_SHARED;
-
- pci_set_drvdata(dev, host);
-
- ret = do_ide_setup_pci_device(dev, d, 1);
- if (ret < 0)
- goto out;
-
- /* fixup IRQ */
- if (ide_pci_is_in_compatibility_mode(dev)) {
- hw[0].irq = pci_get_legacy_ide_irq(dev, 0);
- hw[1].irq = pci_get_legacy_ide_irq(dev, 1);
- } else
- hw[1].irq = hw[0].irq = ret;
-
- ret = ide_host_register(host, d, hws);
- if (ret)
- ide_host_free(host);
-out:
- return ret;
-}
-EXPORT_SYMBOL_GPL(ide_pci_init_one);
-
int ide_pci_init_two(struct pci_dev *dev1, struct pci_dev *dev2,
const struct ide_port_info *d, void *priv)
{
struct pci_dev *pdev[] = { dev1, dev2 };
struct ide_host *host;
- int ret, i;
- hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL };
+ int ret, i, n_ports = dev2 ? 4 : 2;
+ struct ide_hw hw[4], *hws[] = { NULL, NULL, NULL, NULL };
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < n_ports / 2; i++) {
ret = ide_setup_pci_controller(pdev[i], d, !i);
if (ret < 0)
goto out;
@@ -597,23 +550,24 @@ int ide_pci_init_two(struct pci_dev *dev1, struct pci_dev *dev2,
ide_pci_setup_ports(pdev[i], d, &hw[i*2], &hws[i*2]);
}
- host = ide_host_alloc(d, hws);
+ host = ide_host_alloc(d, hws, n_ports);
if (host == NULL) {
ret = -ENOMEM;
goto out;
}
host->dev[0] = &dev1->dev;
- host->dev[1] = &dev2->dev;
+ if (dev2)
+ host->dev[1] = &dev2->dev;
host->host_priv = priv;
-
host->irq_flags = IRQF_SHARED;
pci_set_drvdata(pdev[0], host);
- pci_set_drvdata(pdev[1], host);
+ if (dev2)
+ pci_set_drvdata(pdev[1], host);
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < n_ports / 2; i++) {
ret = do_ide_setup_pci_device(pdev[i], d, !i);
/*
@@ -639,6 +593,13 @@ out:
}
EXPORT_SYMBOL_GPL(ide_pci_init_two);
+int ide_pci_init_one(struct pci_dev *dev, const struct ide_port_info *d,
+ void *priv)
+{
+ return ide_pci_init_two(dev, NULL, d, priv);
+}
+EXPORT_SYMBOL_GPL(ide_pci_init_one);
+
void ide_pci_remove(struct pci_dev *dev)
{
struct ide_host *host = pci_get_drvdata(dev);
diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c
index e5d2a48..5f37f16 100644
--- a/drivers/ide/sgiioc4.c
+++ b/drivers/ide/sgiioc4.c
@@ -91,7 +91,7 @@ typedef struct {
static void
-sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port,
+sgiioc4_init_hwif_ports(struct ide_hw *hw, unsigned long data_port,
unsigned long ctrl_port, unsigned long irq_port)
{
unsigned long reg = data_port;
@@ -546,7 +546,7 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
unsigned long cmd_base, irqport;
unsigned long bar0, cmd_phys_base, ctl;
void __iomem *virt_base;
- hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
int rc;
/* Get the CmdBlk and CtrlBlk Base Registers */
@@ -575,13 +575,12 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
memset(&hw, 0, sizeof(hw));
sgiioc4_init_hwif_ports(&hw, cmd_base, ctl, irqport);
hw.irq = dev->irq;
- hw.chipset = ide_pci;
hw.dev = &dev->dev;
/* Initializing chipset IRQ Registers */
writel(0x03, (void __iomem *)(irqport + IOC4_INTR_SET * 4));
- rc = ide_host_add(&sgiioc4_port_info, hws, NULL);
+ rc = ide_host_add(&sgiioc4_port_info, hws, 1, NULL);
if (!rc)
return 0;
diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
index e4973cd..bd82d22 100644
--- a/drivers/ide/siimage.c
+++ b/drivers/ide/siimage.c
@@ -451,8 +451,8 @@ static int sil_sata_reset_poll(ide_drive_t *drive)
static void sil_sata_pre_reset(ide_drive_t *drive)
{
if (drive->media == ide_disk) {
- drive->special.b.set_geometry = 0;
- drive->special.b.recalibrate = 0;
+ drive->special_flags &=
+ ~(IDE_SFLAG_SET_GEOMETRY | IDE_SFLAG_RECALIBRATE);
}
}
diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
index b0a4606..0924abf 100644
--- a/drivers/ide/sl82c105.c
+++ b/drivers/ide/sl82c105.c
@@ -10,7 +10,7 @@
* with the timing registers setup.
* -- Benjamin Herrenschmidt (01/11/03) benh@...nel.crashing.org
*
- * Copyright (C) 2006-2007 MontaVista Software, Inc. <source@...sta.com>
+ * Copyright (C) 2006-2007,2009 MontaVista Software, Inc. <source@...sta.com>
* Copyright (C) 2007 Bartlomiej Zolnierkiewicz
*/
@@ -146,14 +146,15 @@ static void sl82c105_dma_lost_irq(ide_drive_t *drive)
u32 val, mask = hwif->channel ? CTRL_IDE_IRQB : CTRL_IDE_IRQA;
u8 dma_cmd;
- printk("sl82c105: lost IRQ, resetting host\n");
+ printk(KERN_WARNING "sl82c105: lost IRQ, resetting host\n");
/*
* Check the raw interrupt from the drive.
*/
pci_read_config_dword(dev, 0x40, &val);
if (val & mask)
- printk("sl82c105: drive was requesting IRQ, but host lost it\n");
+ printk(KERN_INFO "sl82c105: drive was requesting IRQ, "
+ "but host lost it\n");
/*
* Was DMA enabled? If so, disable it - we're resetting the
@@ -162,7 +163,7 @@ static void sl82c105_dma_lost_irq(ide_drive_t *drive)
dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD);
if (dma_cmd & 1) {
outb(dma_cmd & ~1, hwif->dma_base + ATA_DMA_CMD);
- printk("sl82c105: DMA was enabled\n");
+ printk(KERN_INFO "sl82c105: DMA was enabled\n");
}
sl82c105_reset_host(dev);
diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c
index e33d764..ea89fdd 100644
--- a/drivers/ide/tx4938ide.c
+++ b/drivers/ide/tx4938ide.c
@@ -130,8 +130,7 @@ static const struct ide_port_info tx4938ide_port_info __initdata = {
static int __init tx4938ide_probe(struct platform_device *pdev)
{
- hw_regs_t hw;
- hw_regs_t *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
struct ide_host *host;
struct resource *res;
struct tx4938ide_platform_info *pdata = pdev->dev.platform_data;
@@ -183,7 +182,7 @@ static int __init tx4938ide_probe(struct platform_device *pdev)
tx4938ide_tune_ebusc(pdata->ebus_ch, pdata->gbus_clock, 0);
else
d.port_ops = NULL;
- ret = ide_host_add(&d, hws, &host);
+ ret = ide_host_add(&d, hws, 1, &host);
if (!ret)
platform_set_drvdata(pdev, host);
return ret;
diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
index 5ca7622..64b58ec 100644
--- a/drivers/ide/tx4939ide.c
+++ b/drivers/ide/tx4939ide.c
@@ -537,8 +537,7 @@ static const struct ide_port_info tx4939ide_port_info __initdata = {
static int __init tx4939ide_probe(struct platform_device *pdev)
{
- hw_regs_t hw;
- hw_regs_t *hws[] = { &hw, NULL, NULL, NULL };
+ struct ide_hw hw, *hws[] = { &hw };
struct ide_host *host;
struct resource *res;
int irq, ret;
@@ -581,7 +580,7 @@ static int __init tx4939ide_probe(struct platform_device *pdev)
hw.dev = &pdev->dev;
pr_info("TX4939 IDE interface (base %#lx, irq %d)\n", mapbase, irq);
- host = ide_host_alloc(&tx4939ide_port_info, hws);
+ host = ide_host_alloc(&tx4939ide_port_info, hws, 1);
if (!host)
return -ENOMEM;
/* use extra_base for base address of the all registers */
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 0af3608..1a9c787 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -556,27 +556,49 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev)
/* add partitions */
for (p = 1; p < state->limit; p++) {
- sector_t size = state->parts[p].size;
- sector_t from = state->parts[p].from;
+ sector_t size, from;
+try_scan:
+ size = state->parts[p].size;
if (!size)
continue;
+
+ from = state->parts[p].from;
if (from >= get_capacity(disk)) {
printk(KERN_WARNING
"%s: p%d ignored, start %llu is behind the end of the disk\n",
disk->disk_name, p, (unsigned long long) from);
continue;
}
+
if (from + size > get_capacity(disk)) {
- /*
- * we can not ignore partitions of broken tables
- * created by for example camera firmware, but we
- * limit them to the end of the disk to avoid
- * creating invalid block devices
- */
+ struct block_device_operations *bdops = disk->fops;
+ unsigned long long capacity;
+
printk(KERN_WARNING
- "%s: p%d size %llu limited to end of disk\n",
+ "%s: p%d size %llu exceeds device capacity, ",
disk->disk_name, p, (unsigned long long) size);
- size = get_capacity(disk) - from;
+
+ if (bdops->set_capacity &&
+ (disk->flags & GENHD_FL_NATIVE_CAPACITY) == 0) {
+ printk(KERN_CONT "enabling native capacity\n");
+ capacity = bdops->set_capacity(disk, ~0ULL);
+ disk->flags |= GENHD_FL_NATIVE_CAPACITY;
+ if (capacity > get_capacity(disk)) {
+ set_capacity(disk, capacity);
+ check_disk_size_change(disk, bdev);
+ bdev->bd_invalidated = 0;
+ }
+ goto try_scan;
+ } else {
+ /*
+ * we can not ignore partitions of broken tables
+ * created by for example camera firmware, but
+ * we limit them to the end of the disk to avoid
+ * creating invalid block devices
+ */
+ printk(KERN_CONT "limited to end of disk\n");
+ size = get_capacity(disk) - from;
+ }
}
part = add_partition(disk, p, from, size,
state->parts[p].flags);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ebdfde8..0b1a6ca 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1226,6 +1226,8 @@ struct block_device_operations {
int (*direct_access) (struct block_device *, sector_t,
void **, unsigned long *);
int (*media_changed) (struct gendisk *);
+ unsigned long long (*set_capacity) (struct gendisk *,
+ unsigned long long);
int (*revalidate_disk) (struct gendisk *);
int (*getgeo)(struct block_device *, struct hd_geometry *);
struct module *owner;
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 149fda2..7cbd38d 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -114,6 +114,7 @@ struct hd_struct {
#define GENHD_FL_UP 16
#define GENHD_FL_SUPPRESS_PARTITION_INFO 32
#define GENHD_FL_EXT_DEVT 64 /* allow extended devt */
+#define GENHD_FL_NATIVE_CAPACITY 128
#define BLK_SCSI_MAX_CMDS (256)
#define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8))
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 867cb68..a6c6a2f 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -178,7 +178,7 @@ typedef u8 hwif_chipset_t;
/*
* Structure to hold all information about the location of this port
*/
-typedef struct hw_regs_s {
+struct ide_hw {
union {
struct ide_io_ports io_ports;
unsigned long io_ports_array[IDE_NR_PORTS];
@@ -186,12 +186,11 @@ typedef struct hw_regs_s {
int irq; /* our irq number */
ide_ack_intr_t *ack_intr; /* acknowledge interrupt */
- hwif_chipset_t chipset;
struct device *dev, *parent;
unsigned long config;
-} hw_regs_t;
+};
-static inline void ide_std_init_ports(hw_regs_t *hw,
+static inline void ide_std_init_ports(struct ide_hw *hw,
unsigned long io_addr,
unsigned long ctl_addr)
{
@@ -218,21 +217,12 @@ static inline void ide_std_init_ports(hw_regs_t *hw,
/*
* Special Driver Flags
- *
- * set_geometry : respecify drive geometry
- * recalibrate : seek to cyl 0
- * set_multmode : set multmode count
- * reserved : unused
*/
-typedef union {
- unsigned all : 8;
- struct {
- unsigned set_geometry : 1;
- unsigned recalibrate : 1;
- unsigned set_multmode : 1;
- unsigned reserved : 5;
- } b;
-} special_t;
+enum {
+ IDE_SFLAG_SET_GEOMETRY = (1 << 0),
+ IDE_SFLAG_RECALIBRATE = (1 << 1),
+ IDE_SFLAG_SET_MULTMODE = (1 << 2),
+};
/*
* Status returned from various ide_ functions
@@ -391,6 +381,7 @@ struct ide_drive_s;
struct ide_disk_ops {
int (*check)(struct ide_drive_s *, const char *);
int (*get_capacity)(struct ide_drive_s *);
+ u64 (*set_capacity)(struct ide_drive_s *, u64);
void (*setup)(struct ide_drive_s *);
void (*flush)(struct ide_drive_s *);
int (*init_media)(struct ide_drive_s *, struct gendisk *);
@@ -468,6 +459,8 @@ enum {
IDE_DFLAG_NICE1 = (1 << 5),
/* device is physically present */
IDE_DFLAG_PRESENT = (1 << 6),
+ /* disable Host Protected Area */
+ IDE_DFLAG_NOHPA = (1 << 7),
/* id read from device (synthetic if not set) */
IDE_DFLAG_ID_READ = (1 << 8),
IDE_DFLAG_NOPROBE = (1 << 9),
@@ -506,6 +499,7 @@ enum {
/* write protect */
IDE_DFLAG_WP = (1 << 29),
IDE_DFLAG_FORMAT_IN_PROGRESS = (1 << 30),
+ IDE_DFLAG_NIEN_QUIRK = (1 << 31),
};
struct ide_drive_s {
@@ -530,14 +524,13 @@ struct ide_drive_s {
unsigned long sleep; /* sleep until this time */
unsigned long timeout; /* max time to wait for irq */
- special_t special; /* special action flags */
+ u8 special_flags; /* special action flags */
u8 select; /* basic drive/head select reg value */
u8 retry_pio; /* retrying dma capable host in pio */
u8 waiting_for_dma; /* dma currently in progress */
u8 dma; /* atapi dma flag */
- u8 quirk_list; /* considered quirky, set for a specific host */
u8 init_speed; /* transfer rate set at boot */
u8 current_speed; /* current transfer rate set */
u8 desired_speed; /* desired transfer rate set */
@@ -562,8 +555,7 @@ struct ide_drive_s {
unsigned int drive_data; /* used by set_pio_mode/dev_select() */
unsigned int failures; /* current failure count */
unsigned int max_failures; /* maximum allowed failure count */
- u64 probed_capacity;/* initial reported media capacity (ide-cd only currently) */
-
+ u64 probed_capacity;/* initial/native media capacity */
u64 capacity64; /* total number of sectors */
int lun; /* logical unit */
@@ -1222,7 +1214,7 @@ static inline int ide_pci_is_in_compatibility_mode(struct pci_dev *dev)
}
void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *,
- hw_regs_t *, hw_regs_t **);
+ struct ide_hw *, struct ide_hw **);
void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *);
#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
@@ -1461,16 +1453,18 @@ static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
void ide_register_region(struct gendisk *);
void ide_unregister_region(struct gendisk *);
+void ide_check_nien_quirk_list(ide_drive_t *);
void ide_undecoded_slave(ide_drive_t *);
void ide_port_apply_params(ide_hwif_t *);
int ide_sysfs_register_port(ide_hwif_t *);
-struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **);
+struct ide_host *ide_host_alloc(const struct ide_port_info *, struct ide_hw **,
+ unsigned int);
void ide_host_free(struct ide_host *);
int ide_host_register(struct ide_host *, const struct ide_port_info *,
- hw_regs_t **);
-int ide_host_add(const struct ide_port_info *, hw_regs_t **,
+ struct ide_hw **);
+int ide_host_add(const struct ide_port_info *, struct ide_hw **, unsigned int,
struct ide_host **);
void ide_host_remove(struct ide_host *);
int ide_legacy_device_add(const struct ide_port_info *, unsigned long);
--
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