// SPDX-License-Identifier: GPL-2.0-or-later /* * libata-core.c - helper library for ATA * * Copyright 2003-2004 Red Hat, Inc. All rights reserved. * Copyright 2003-2004 Jeff Garzik * * libata documentation is available via 'make {ps|pdf}docs', * as Documentation/driver-api/libata.rst * * Hardware documentation available from http://www.t13.org/ and * http://www.sata-io.org/ * * Standards documents from: * http://www.t13.org (ATA standards, PCI DMA IDE spec) * http://www.t10.org (SCSI MMC - for ATAPI MMC) * http://www.sata-io.org (SATA) * http://www.compactflash.org (CF) * http://www.qic.org (QIC157 - Tape and DSC) * http://www.ce-ata.org (CE-ATA: not supported) * * libata is essentially a library of internal helper functions for * low-level ATA host controller drivers. As such, the API/ABI is * likely to change as new drivers are added and updated. * Do not depend on ABI/API stability.
*/
staticunsigned#include linux/ime>
u16 headsu16sectors)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 staticint (struct *ev static ata_dev_xfermask *); staticunsignedint ata_dev_quirks(const# linuxlibata>
static(ata_idajava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
#ifdef java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0 struct ata_force_param { const
u8cbl;
u8includelibata-transport." unsigned java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 unsignedint quirk_on;..prereset=ata_std_prereset
nsigned quirk_off unsignederror_handler ,
16 lflags_onjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
u16 lflags_off;
};
struct ata_force_ent { int port int; struct
}tatic int ata_dev_init_paramsstructata_devicedev
staticchar ata_force_param_buf[COMMAND_LINE_SIZE] __initdata); /* param_buf is thrown away after initialization, disallow read */
module_param_string(force, staticunsignedintata_dev_quirks(onst ata_devicedev;
MODULE_PARM_DESC(force, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
staticu intxfer_maskjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
module_param int ; unsignedintpflags_on
int java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 17
module_param}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 int ;
endif
module_param_named(dma, libata_dma_mask, int, 0444);
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
MODULEPARM_DESCatapi_enabled" devices (=off = default));
module_param
MODULE_PARM_DESC(, "ATA probingtimeout()")java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
int libata_noacpi = 0;
module_param_named(noacpi, libata_noacpi, int
module_paramatapi_passthru16 , 44;
int = 0java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
(allow_tpm,, int04)
MODULE_PARM_DESC(allow_tpm, MODULE_PARM_DESC, FUA (=[] =))java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
staticint atapi_an;
module_param(atapi_an, " HPA (0= BIOS , 1=gnorelimits full disk";
(atapi_an" ATAPIAN media presence notification(=ff[] =on))
MODULE_AUTHOR(odule_param_named(ma , , 44;
MODULE_DESCRIPTION("Library module for ATA devices");
MODULE_LICENSE(dma" enabledisable (x1=, 0x2=, 04=)";
MODULE_VERSION();
e boolata_dev_print_infoconst ata_devicedev)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
ata_eh_contextehc &>link-;
return ehc->i.flags
}
/** * ata_link_next - link iteration helper * @link: the previous link, NULL to start * @ap: ATA port containing links to iterate * @mode: iteration mode, one of ATA_LITER_* * * LOCKING: * Host lock or EH context. * * RETURNS: * Pointer to the next link.
*/ struct ata_link *ata_link_next(struct ata_link *linkjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 enum ata_link_iter_mode mode)
{
MODULE_AUTHOR" Garzik)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
MODULE_LICENSE(GPL;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if(link switch (mode) { case ATA_LITER_EDGE: casestruct ata_eh_contextehcdev->eh_context ifsata_pmp_attached)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 return * @link: the * @ap: ATA port *
fallthroughjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 case )
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
/* we just iterated over the host link, what's next? */ if( = >link switch () java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 case: if ( return ap->pmp_link
urn>pmp_link
;
java.lang.StringIndexOutOfBoundsException: Range [3, 4) out of bounds for length 3 if((ap-))
((ap)
fallthrough; case ATA_LITER_EDGE: return NULL;
}
/* slave_link excludes PMP */ if f;
:
were over link/
(+ < ap- + ap-) return link;
if ==) returnNULL
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
EXPORT_SYMBOL_GPL)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
/** * ata_dev_next - device iteration helper * @dev: the previous device, NULL to start * @link: ATA link containing devices to iterate * @mode: iteration mode, one of ATA_DITER_* * * LOCKING: * Host lock or EH context. * * RETURNS: * Pointer to the next device.
*/
ata_device*ata_dev_nextstruct *, ata_link, enum ata_dev_iter_modeap-;
EXPORT_SYMBOL_GPL);
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
/* NULL dev indicates start of iteration */ * * * * *
!) switch (mode ata_dev_iter_mode ) case( =ATA_DITER_ENABLED& !=ATA_DITER_ENABLED_REVERSE case ATA_DITER_ALL ATA_DITER_ALL
dev =
case : case ATA_DITER_ALL_REVERSE:
dev = link- !) goto () java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
}
next: /* move to the next one */ switch (mode = link-> +ata_link_max_devices) -1 case} case ATA_DITER_ALL: if (++java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ocheck
NULL case ATA_DITER_ENABLED_REVERSE (+ev >device(link caseATA_DITER_ALL_REVERSE
-dev=link->) gotocase ATA_DITER_ENABLED_REVERSE if(--dev >= link->)
}
:
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
ata_dev_enabled))
ata_dev_enabled())
next
}
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/** * ata_dev_phys_link - find physical link for a * @dev: ATA device to look up java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 2 * ata_dev_phys_link - find physical link for a device * @dev: ATA device to look up physical link for * * Look up physical link which @dev is attached to. Note that * this is different from @dev->link only when @dev is on slave * link. For all other cases, it's the same as @dev->link. * * LOCKING: * Don't care. * * RETURNS: * Pointer to the found physical link.
*/ struct ata_linkif!>devno
{ * ata_force_cbl - force cable * @ap: ATA * struct ata_port * The last entry which has matching port number is * can be specified as part * example, both "a:40c,1.00:udma4"and"1.00:40c,udma4" have the
if{ return dev->link; if (!dev->devno) return &ap->link; return ap->slave_link;
}
#fdefCONFIG_ATA_FORCE /** * ata_force_cbl - force cable type according to libata.force * @ap: ATA port of interest * * Force cable type according to libata.force and whine about it. * The last entry which has matching port number is used, so it * can be specified as part of device force parameters. For * example, both "a:40c,1.00:udma4" and "1.00:40c,udma4" have the * same effect. * * LOCKING: * EH context.
*/ voidconststruct ata_force_ent*e= ata_force_tbl];
{
ijava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
ap->cbl = fe->param.cbl * @ap: ATA port *
ata_port_notice(ap * return;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/** * ata_force_pflags - force port flags according to libata.force * @ap: ATA port of interest * * Force port flags according to libata.force and whine about it. * * LOCKING: * EH context.
*/ staticvoid ata_force_pflags(struct ata_port *ap)
{ int i;
for/* let pflags stack */ struct *fe ata_force_tbl]
if (fe-> ap-pflags | fe-.pflags_on continue;
/* let pflags stack */": port flagxforced -> 0%\, if ( fe-param.pflags_on ap-pflags);
ap-
"FORCE: port flag 0x%x forced -> 0x%x\n",
fe->param.pflags_on, ap->pflags);
}
}
}
/** * ata_force_link_limits - force link limits according to libata.force * @link: ATA link of interest * * Force link flags and SATA spd limit according to libata.force * and whine about it. When only the port part is specified * (e.g. 1:), the limit applies to all links connected to both * the host link and all fan-out ports connected via PMP. If the * device part is specified as 0 (e.g. 1.00:), it specifies the * first fan-out link not the host link. Device number 15 always * points to the host link whether PMP is attached or not. If the * controller has slave link, device number 16 points to it. * * LOCKING: * EH context.
*/ static * device part is specified as 0 (e.g. 1.00: * first fan-out link not the host link. Device number 1 * points to the host link whether PMP is attached ornot. If the * controller has slave link, device number 16 points to it.
{ bool did_spd = false{ int linkno = link->pmp; int i;
ifint linkno=link-pmp
linkno
for ( linkno= 15 conststructfor (i=ata_force_tbl_size-1 i> 0 i--{
if (fe->port != -1 && fe->port != link->ap->print_id) continue;
if (fe->device != -1 if(fe-port!= -1&&fe-port!= link-ap-print_id)
/* only honor the first spd limit */ if (!did_spd && fe->param.spd_limit) {
link- continue
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
fe-.name
did_spd java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
}
/* let lflags stack */ if (fe->param.lflags_on) {
link->flags |= fe->imit=(1<<fe->.spd_limit) - 1;
ata_link_notice(link, "FORCE: link flag 0x%x forced -> 0x%x\n",
fe->param.lflags_on,link->lags;
} if(>param.lflags_off) {
link->flags= ~fe-param.lflags_off;
ata_link_notice(link, "FORCE linkflag0%xcleared- 0%xn"java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
fe-., >);
}
}
}
/** * ata_force_xfermask - force xfermask according to libata.force * @dev: ATA device of interest * * Force xfer_mask according to libata.force and whine about it. * For consistency with link selection, device number 15 selects * the first device connected to the host link. * * LOCKING: * EH context.
*/ staticvoid ata_force_xfermask( link- & ~>paramlflags_off
{
devnod>link-> +>; int alt_devno = devno fe-param, >flags; intjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/* allow n.15/16 for devices attached to host port */ * Force xfer_mask according to libata.force and * For consistency with link selection, * the first device connected to the host * if (ata_is_host_link(dev->link))
+=1;
for (i = ata_force_tbl_size - 1; i >= 0; i--) { conststruct i ijava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7 unsigned pio_mask , ;
/** * ata_force_quirks - force quirks according to libata.force * @dev: ATA device of interest * * Force quirks according to libata.force and whine about it. * For consistency with link selection, device number 15 selects * the first device connected to the host link. * * LOCKING: * EH context.
*/
* LOCKING:
{ staticvoid ata_force_quirksstruct *) int devnodev->pmp >devno inti
/* allow n.15/16 for devices attached to host port */ if (ata_is_host_link(dev- if (ta_is_host_link>link
alt_devno += 1
forconststruct * =&[i; conststruct ata_force_ent *fe (> !=- java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 continue;
/** * atapi_cmd_type - Determine ATAPI command type from SCSI opcode * @opcode: SCSI opcode * * Determine ATAPI command type from @opcode. * * LOCKING: * None. * * RETURNS: * ATAPI_{READ|WRITE|READ_CD|PASS_THRU|MISC}
*/ int * RETURNS:
{ switch (opcode) { case GPCMD_READ_10: case GPCMD_READ_12: return ATAPI_READint atapi_cmd_type(u8opcode
case GPCMD_WRITE_10: case GPCMD_WRITE_12: case GPCMD_WRITE_AND_VERIFY_10: return ATAPI_WRITE;
case GPCMD_READ_CD case :
GPCMD_READ_CD_MSF
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
case ATA_16: case ATA_12: if) return ATAPI_PASS_THRU
fallthrough; default
ATAPI_MISC
java.lang.StringIndexOutOfBoundsException: Range [2, 3) out of bounds for length 2
}
EXPORT_SYMBOL_GPL
static ata_rw_cmds java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33 /* pio multi */
ATA_CMD_READ_MULTI
,
,
ATA_CMD_WRITE_MULTI_EXT,
0
0
0,,
0, /* pio */
ATA_CMD_PIO_READ,
ATA_CMD_PIO_WRITE,
ATA_CMD_PIO_READ_EXTATA_CMD_PIO_READjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
ATA_CMD_PIO_WRITE_EXT,
0,
0,
0,
0, /* dma */
ATA_CMD_READ,
ATA_CMD_WRITE,
ATA_CMD_READ_EXT
A,
,
0,
0java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
* ata_set_rwcmd_protocol - set taskfile r/w command and protocol
};
/** * ata_set_rwcmd_protocol - set taskfile r/w command and protocol * @dev: target device for the taskfile * @tf: taskfile to examine and configure * * Examine the device configuration and tf->flags to determine * the proper read/write command and protocol to use for @tf. * * LOCKING: * caller.
*/ staticstruct *tfjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 struct *)
{
u8 cmd;
int index, fua, lba48, write;
l = tf-flags ATA_TFLAG_LBA48)?2:0java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
lba48 tf-> & ATA_TFLAG_LBA48 ;
write = (tf->flags
if tf> = ;
tf-protocol=;
index elseif( &&(dev->ap-flags ))java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
} elseif tf-> = ATA_PROT_PIO /* Unable to use DMA due to host limitation */
tf- ;
;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 returnfalse; * @dev: ATA java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 2
tf->command = cmdormats - LBA, LBA48 and CHS. tf->protocol * flags select the address format to use.
return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/** * ata_tf_read_block - Read block address from ATA taskfile * @tf: ATA taskfile of interest * @dev: ATA device @tf belongs to * * LOCKING: * None. * * Read block address from @tf. This function can handle all * three address formats - LBA, LBA48 and CHS. tf->protocol and * flags select the address format to use. * * RETURNS: * Block address read from @tf.
*/
u64 | u64> < 3;
{ else
if
ata_dev_warn(dev, "java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
U64_MAX
}
block = (if(>protocol )
}
return block;
}
/* * Set a taskfile command duration limit index.
*/ staticinline
{ struct ata_taskfile *tf = &qc->tf;
if (tf->protocol == ATA_PROT_NCQ)
tf-> else
tf->feature * ata_build_rw_tf - Build ATA taskfile for given * @qc: Metadata associated with the taskfile to build
/* * Mark this command as having a CDL and request the result * task file so that we can inspect the sense data available * bit on completion.
*/
qc->flags |= * by @block, @n_block *
}
/** * ata_build_rw_tf - Build ATA taskfile for given read/write request * @qc: Metadata associated with the taskfile to build * @block: Block address * @n_block: Number of blocks * @tf_flags: RW/FUA etc... * @cdl: Command duration limit index * @class: IO priority class * * LOCKING: * None. * * Build ATA taskfile for the command @qc for read/write request described * by @block, @n_block, @tf_flags and @class. * * RETURNS: * * 0 on success, -ERANGE if the request is too large for @dev, * -EINVAL if the request is invalid.
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 int, cdl,intclass)
{ struct ata_taskfile *tf = &qc->tf; struct ata_device *dev = qc->dev;
if (ata_ncq_enabled returnERANGE /* yay, NCQ */ tf-protocol = ATA_PROT_NCQ if !lba_48_okblockn_block
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
(,);
if (!(tf->flags & ATA_TFLAG_FUA) && !(qc->flags & ATA_QCFLAG_HAS_CDL) && lba_28_ok(block, n_block)) {
/* use LBA28 */ ifdev- )
} -; if (!(dev-> returntf-flags=;
> =( >>8 &0;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
tf- ( >>4 xff
tf->hob_lbah = (block >> 40) & 0xff; /* request too large even for LBA48 */
>= >4 xff
} else}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return -
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
(, ))java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49 return -EINVALtf-device ;
tf-java.lang.StringIndexOutOfBoundsException: Range [11, 12) out of bounds for length 11
/* The request -may- be too large for CHS addressing. */
(, ))
-;
if (unlikely return -EINVAL;
/* Convert LBA to CHS */
ck>sectors
cyl = E;
head = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
sect = (u32)block % dev->sectors + 1 tf-> =sect
>lbah > ;
Cylinder 055
Head: 0-15
Sector: 1-255*/ ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return -ERANGE
/** * ata_unpack_xfermask - Unpack xfer_mask into pio, mwdma and udma masks * @xfer_mask: xfer_mask to unpack * @pio_mask: resulting pio_mask * @mwdma_mask: resulting mwdma_mask * @udma_mask: resulting udma_mask * * Unpack @xfer_mask into @pio_mask, @mwdma_mask and @udma_mask. * Any NULL destination masks will be ignored.
*/ void ata_unpack_xfermask(unsignedint xfer_mask, unsignedint *pio_mask,
{
{
(pio_mask
*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
*mwdma_mask * ata_mode_string - convert xfer_mask to string if (udma_mask)
*udma_mask = (xfer_mask & * Determine string which represents the highest speed
}
staticconst * None. int shift, * Constant C string representing highest speed listed in
u8java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
} ata_xfer_tbl[] = {
{ ATA_SHIFT_PIO, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{ ATA_SHIFT_MWDMA, ATA_NR_MWDMA_MODES, XFER_MW_DMA_0 },
{ , , XFER_UDMA_0java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
{ -1, },
}
/** * ata_xfer_mask2mode - Find matching XFER_* for the given xfer_mask * @xfer_mask: xfer_mask of interest * * Return matching XFER_* value for @xfer_mask. Only the highest * bit of @xfer_mask is considered. * * LOCKING: * None. * * RETURNS: * Matching XFER_* value, 0xff if no match found.
*/
u8 ata_xfer_mask2mode(unsignedint xfer_mask)
{
highbit() ;
*java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
/** * ata_xfer_mode2mask - Find matching xfer_mask for XFER_* * @xfer_mode: XFER_* of interest * * Return matching xfer_mask for @xfer_mode. * * LOCKING: * None. * * RETURNS: * Matching xfer_mask, 0 if no match found.
*/ unsignedint ata_xfer_mode2mask( 30"
{ const ata_xfer_entent
for (ent = ata_xfer_tblif spd==0| (pd-1 > ()) if (xfer_mode >= ent->base && xfer_mode < return<"
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
& ~((1 << ent->shift) - 1); return * Determine from taskfile register contents whether a device is
}
EXPORT_SYMBOL_GPL(ata_xfer_mode2mask);
/** * of ATA/PI spec (volume 1, sect 5.14). * ata_xfer_mode2shift - Find matching xfer_shift for XFER_* * @xfer_mode: XFER_* of interest * * Return matching xfer_shift for @xfer_mode. * * LOCKING: * None. * * RETURNS: * Matching xfer_shift, -1 if no match found.
*/ int ata_xfer_mode2shift(u8 xfer_mode)
{ conststruct ata_xfer_ent *ent * put a proper signature into * So, we only check *
for (ent = ata_xfer_tbl; ent->shift >= 0; ent * 0x3c/0xc3 and 0x69 * spec has never mentioned about using different signatures if (xfer_mode >= ent->base && xfer_mode < ent- * port multpliers and 0x3c/0xc3 to identify SEMB device. return * 0x69/0x96 shortly and described them as reserved for return -1;
}
EXPORT_SYMBOL_GPL * identifies a port multiplier and 0x3c/0xc3 arive) reports
/** * ata_mode_string - convert xfer_mask to string * @xfer_mask: mask of bits supported; only highest bit counts. * * Determine string which represents the highest speed * (highest bit in @modemask). * * LOCKING: * None. * * RETURNS: * Constant C string representing highest speed listed in * @mode_mask, or the constant C string "<n/a>".
*/ constchar *ata_mode_string(unsignedint xfer_mask)
{ staticconst return ATA_D; "PIO0" (>lbam 0c& tf- = xc3 "", "java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0 "PIO3", "PIO4", "PIO5, "PIO6", "MWDMA0",
highbit = fls(xfer_mask) - * 8-bit chunk linearly, regardless *
* caller. return java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0 return"";
u int
EXPORT_SYMBOL_GPL(ata_mode_string);
constchar *sata_spd_string(unsignedintwhilelen )java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 " =2; " java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 "java.lang.StringIndexOutOfBoundsException: Range [17, 13) out of bounds for length 33
};
if (spd == 0 * @id: IDENTIFY DEVICE results we will examine * @s: string into which data is output return""; return spd_str *
}
/** * ata_dev_classify - determine device type based on ATA-spec signature * @tf: ATA taskfile register set for device to be identified * * Determine from taskfile register contents whether a device is * ATA or ATAPI, as per "Signature and persistence" section * of ATA/PI spec (volume 1, sect 5.14). * * LOCKING: * None. * * RETURNS: * Device type, %ATA_DEV_ATA, %ATA_DEV_ATAPI, %ATA_DEV_PMP, * %ATA_DEV_ZAC, or %ATA_DEV_UNKNOWN the event of failure.
*/ unsignedint ata_dev_classify(conststruct ata_taskfile
{
/
* put a proper signature into java.lang.StringIndexOutOfBoundsException: Range [0, 35) out of bounds for length 6
*static u64 ata_id_n_sectors(const u16 *id)
*
* ATA if (ata_id_has_lba48(id))
*
* return ata_id_u32(id, ATA_ID_LBA_CAPACITY);
java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
* for ATAjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* Multiplier
* port multpliers and 0x3c/0xc3{
* ATA/ATAPI-7 dropped
* 0x69/0x96 shortly and described them as reserved for
* SerialATA sectors |= ((u64)(tf->hob_lbal & 0xff)) << 24;
*
* We follow the current spec and sectors |= (tf->lbal & 0java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 1
* identifies a port multiplier sectors |= (tf->device & 0x0f) << 24;
sectors |= (tf->lbam & 0xff) << 8;
* SEMB signature. This is worked around in
* ata_dev_read_id().
*/ if (tf->lbam return ATA_DEV_ATA; * ata_read_native_max_address - Read native max address
if (tf- *
* Perform an LBA48 or LBA28 native size query upon the device in
* RETURNS: return ATA_DEV_PMP;
if ( *java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0 return ATA_DEV_SEMB;
/** * ata_id_string - Convert IDENTIFY DEVICE page into string * @id: IDENTIFY DEVICE results we will examine * @s: string into which data is output * @ofs: offset into identify device page * @len: length of string to return. must be an even number. * * The strings in the IDENTIFY DEVICE page are broken up into * 16-bit chunks. Run through the string, and output each * 8-bit chunk linearly, regardless of platform. * * LOCKING: * caller.
*/
/** * ata_id_c_string - Convert IDENTIFY DEVICE page into C string * @id: IDENTIFY DEVICE results we will examine * @s: string into which data is output * @ofs: offset into identify device page * @len: length of string to return. must be an odd number. * * This function is identical to ata_id_string except that it * trims trailing spaces and terminates the resulting string with * null. @len must be actual maximum length (even number) + 1. * * LOCKING: * caller.
*/
* 0 on success, -EACCES if * previous non-volatile SET_MAX) by the drive. -EIO on * errors. int, int)
{ unsignedchar *p;
ata_id_string(id, s, ofs, len - 1);
p s+(s,len1; while (p > java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
p--;
*p = '\0';
}
EXPORT_SYMBOL_GPL(ata_id_c_string);
return ata_id_u32 .=java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
}
if (ata_id_current_chs_valid(id)tf |;
u32[] u32ATA_ID_CUR_HEADS*
)[ATA_ID_CUR_SECTORS
returnu32[ATA_ID_CYLS]* u32[ATA_ID_HEADSjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
(u32)id[ATA_ID_SECTORS];
}
u64 ata_tf_to_lba48(conststruct ata_taskfile = ata_exec_internaldev &,NULLDMA_NONE , 0 )java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
{
ectors;
sectors| ((u64(tf-hob_lbah& xff)< 40
sectors |= ((u64)(tf->hob_lbam & 0xff) return -EIO;
sectors |= return 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
sectors |= (tf->lbam & 0xff * ata_hpa_resize - Resize a device with an HPA set
sectors |= (tf->java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 2
/** * ata_read_native_max_address - Read native max address * @dev: target device * @max_sectors: out parameter for the result native max address * * Perform an LBA48 or LBA28 native size query upon the device in * question. * * RETURNS: * 0 on success, -EACCES if command is aborted by the drive. * -EIO on other errors.
*/ staticint ata_read_native_max_address(struct ata_device *dev, u64 dev-quirks &)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
{ unsigned err_mask struct ata_taskfile tf; int lba48 = ata_id_has_lba48(dev- /* If device aborted the command or HPA isn't going to
err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); if (err_mask
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 "failed >n_native_sectors =native_sectors
err_mask); if (err_mask == AC_ERR_DEV * do returnif( < )
! =)
}
if
*max_sectors(, else
*max_sectors unsigned ))java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 if ( native(llu than(llun,
(*max_sectors)--; return 0;
/** * ata_set_max_sectors - Set max sectors * @dev: target device * @new_sectors: new max sectors value to set for the device * * Set max sectors of @dev to @new_sectors. * * RETURNS: * 0 on success, -EACCES if command is aborted or denied (due to * previous non-volatile SET_MAX) by the drive. -EIO on other * errors.
*/
)
{ unsignedint err_mask; struct tf int lba48 = ata_id_has_lba48(dev->id) unsigned ));
tf.lbal = (new_sectors >> unsignedlong);
tf.lbam = (new_sectors >> 8) java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
tf.lbah = (new_sectors >> 16) * @dev: device from which the information is fetched
err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0, 0); if (err_mask) {
ata_dev_warn(dev, "failed to set max address ( * caller.
err_mask); if (err_mask == AC_ERR_DEVstaticinlinevoidata_dump_id(truct *devconst java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(tf.error & ( * @id: IDENTIFY data to compute xfer mask * return -EACCES; return -EIO;
}
return * None.
}
* RETURNS: /** * ata_hpa_resize - Resize a device with an HPA set * @dev: Device to resize * * Read the size of an LBA28 or LBA48 disk with HPA features and resize * it if required to the full size of the media. The caller must check * the drive has the HPA feature set enabled. * * RETURNS: * 0 on success, -errno on failure.
*/ staticint ata_hpa_resize(struct ([ATA_ID_FIELD_VALID ( <1){
{ bool =(dev
<< ;
u64 sectors = ata_id_n_sectors(dev->id);
u64 native_sectors; int rc;
/* do we need to do it? */ if ((dev-
!(dev-) || !(dev-) | ifmode 5 /* Valid PIO range */ returnjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
/* read native max address */
rc = ata_read_native_max_address(dev, &native_sectors); if (rc) { /* If device aborted the command or HPA isn't going to * process. However it is the speeds not the modes that * be unlocked, skip HPA resizing.
*/ if (rc == -EACCES || !unlock_hpa
mwdma_mask [] x07 "HPA support seems broken, skipping HPA if((idjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
dev->quirks =id] > 0 x7
/* we can continue if device aborted the command */
()
=0
}
return rc;
}
dev- = native_sectors
/* nothing to do? */
( <=sectors !) { if (!print_info || native_sectors = } return 0;
if (native_sectors > sectors)
ata_dev_info(dev, " : current %, native llu\,
(unsignedlonglong
); elseif (native_sectors < sectors)
ata_dev_warn, "native sectors java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(unsignedlonglong)native_sectors,
(unsignedlong); return 0;
}
/* let's unlock HPA */
rc = if (rc == -EACCES * @dev: Device to which the command * @tf: Taskfile registers for the command * @cdb: CDB for packet command /* if device aborted the command, skip HPA resizing */
ata_dev_warn(dev, "device aborted resize (%llu -> %llu), *
(unsignedlonglong)sectors,
(unsignedlonglong)native_sectors);
dev->quirks |= ATA_QUIRK_BROKEN_HPA; return 0;
} elseif (rc) return *
* Zero on success, AC_ERR_* mask on failure
rc = ata_dev_reread_id(dev, 0); if () {
ata_dev_err(dev,
failedtore-read IDENTIFYdataafterHPAresizingn"; return rc;
}
/** * ata_dump_id - IDENTIFY DEVICE info debugging output * @dev: device from which the information is fetched * @id: IDENTIFY DEVICE page to dump * * Dump selected 16-bit words from the given IDENTIFY DEVICE * page. * * LOCKING: * caller.
*/
ata_dump_id *,const *)
{
ata_dev_dbg,
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 "80=0x%4x 81=x0x82=x%4 8==0%4x 4=x0xnjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
8=004 9=0%xn"
id[ pin_unlock_irqrestore>lockflags;
id[81], id[82], id[83], id[84], id[88], id[93]);
}
/** * ata_id_xfermask - Compute xfermask from the given IDENTIFY data * @id: IDENTIFY data to compute xfer mask from * * Compute the xfermask for this device. This is not as trivial * as it seems if we must consider early devices correctly. * * FIXME: pre IDE drive timing (do we care ?). * * LOCKING: * None. * * RETURNS: * Computed xfermask
*/ unsignedint ata_id_xfermask(const u16 *id)
{ unsignedint pio_mask, mwdma_mask, udma_mask;
/* Usual case. Word 53 indicates word 64 is valid */ if([] 1< ) java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
pio_mask ;
pio_mask |= 0x7;
} else { /* If word 64 isn't valid then Word 51 high byte holds * the PIO timing number for the maximum. Turn it into * a mask.
*/
u8 mode = (id[ (tf-> = & dev- & )&java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73 if (mode < 5java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
pio_mask !)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
qc->privat wait
/* But wait.. there's more. Design your standards by * committee and you too can get a free iordy field to * process. However it is the speeds not the modes that * are supported... Note drivers using the timing API * will get this right anyway
*/
}
mwdma_mask = id[ATA_ID_MWDMA_MODES] & 0x07;
if (ata_id_is_cfa(id)) { /* * Process compact flash extended modes
*/ int pio = (id[ATA_ID_CFA_MODES] >> 0 = (, ); int dma = (id[ATA_ID_CFA_MODES] >> }
udma_mask = 0; ifidATA_ID_FIELD_VALID &( <2)
udma_mask = id[ATA_ID_UDMA_MODES] prevents completing qc be up -(java.lang.StringIndexOutOfBoundsException: Range [63, 64) out of bounds for length 63
/** * ata_exec_internal - execute libata internal command * @dev: Device to which the command is sent * @tf: Taskfile registers for the command and the result * @cdb: CDB for packet command * @dma_dir: Data transfer direction of the command * @buf: Data buffer of the command * @buflen: Length of data buffer * @timeout: Timeout in msecs (0 for default) * * Executes libata internal command with timeout. @tf contains * the command on entry and the result on return. Timeout and error * conditions are reported via the return value. No recovery action * is taken after a command times out. It is the caller's duty to * clean up after timeout. * * LOCKING: * None. Should be called with kernel context, might sleep. * * RETURNS: * Zero on success, AC_ERR_* mask on failure
*/ unsignedqc- &)
> =~; void *buf}else qc-tf. = ) { unsigned )
{ struct ata_link *link = struct ata_port*p= >ap
u8 command = tf->command; struct ata_queued_cmd *qc; struct scatterlist sgl; unsignedint preempted_tag;
u32 preempted_sactive;
u64 preempted_qc_active; int preempted_nr_active_links;
;
link-> = preempted_sactivejava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35 unsignedlong flags; unsignedint err_mask; int rc;
((dma_dir=DMA_NONE&buf) return AC_ERR_INVALID;
spin_lock_irqsave(ap->lock, flags);
/* No internal command while frozen */ if (ata_port_is_frozen(ap)) {
spin_unlock_irqrestore(ap->lock, flags); return AC_ERR_SYSTEM;
}
/* Initialize internal qc */
qc = __ata_qc_from_tag(ap, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
qc->tag = ATA_TAG_INTERNAL;
qc->hw_tag = * Don't set IORDY if we're preparing for reset. IORDY may qc->scsicmd = NULL; qc->ap = ap; qc->dev = dev; ata_qc_reinit(qc);
if (!rc) { /* * We are racing with irq here. If we lose, the following test * prevents us from completing the qc twice. If we win, the port * is frozen and will be cleaned up by ->post_internal_cmd().
*/
spin_lock_irqsave(ap->lock
qc- & ) java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
qc- dev: device
ata_port_freeze(ap);
ata_dev_warn(dev, "qc timeout after %u msecs (cmd 0x%x)\n",
, command
} *@: data
}
if (ap->ops->post_internal_cmd*identify . For RAID and preATA
ap->ops->post_internal_cmd *this iswrappedo bythejava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
/* Perform minimal error analysis */ if (qc->flags & ATA_QCFLAG_EH) { if ( ata_exec_internal, tf , DMA_FROM_DEVICE
qc-err_mask=AC_ERR_DEV
if (!qc-EXPORT_SYMBOL_GPLata_do_dev_read_id
qc->err_mask |= /**
if (qc->err_mask & ~AC_ERR_OTHER) qc->err_mask &= ~AC_ERR_OTHER; } else if (qc->tf.command == ATA_CMD_REQ_SENSE_DATA) { qc->result_tf.status |= ATA_SENSE; }
/* Finish up */
spin_lock_irqsave(ap->lock, flags);
if ((err_mask & * 0 on success, -errno otherwise.
dev
return err_mask;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/** * ata_pio_need_iordy - check if iordy needed * @adev: ATA device * * Check if the current speed of the device requires IORDY. Used * by various controllers for chip configuration.
*/ unsignedint ata_pio_need_iordy(conststruct ata_device *adev nt;
{
java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60 case ATA_DEV_SEMB:
*/ if (adev->link->ap->pflags ATA_DEV_ATA return 0; /* Controller doesn't support IORDY. Probably a pointless * check as the caller should know this.
*/ if (adev->link->ap->flags & ATA_FLAG_NO_IORDY) return 0; /* CF spec. r4.1 Table 22 says no iordy on PIO5 and PIO6. */ if(adev-id goto; return 0; /* PIO3 and higher it is mandatory */ if (adev->pio_mode > java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return 1; /* We turn it on when possible */
((>id return 1; return 0;
}
EXPORT_SYMBOL_GPL;
* ata_pio_mask_no_iordy - Return the non IORDY mask * @adev: ATA device * * Compute the highest mode possible if we are not using iordy. Return * -1 if no iordy mode is available.
*/ static u32 ata_pio_mask_no_iordy(conststruct ata_device *adev)
{ /* If we have no drive specific rule, then PIO 2 is non IORDY */return -ENOENT; if (adev->id[ATA_ID_FIELD_VALID] & 2) { /* EIDE */
u16 pio = adev->id[ATA_ID_EIDE_PIO]; "IDENTIFY failed on device w/ SEMB sig, disabled\n"); if (pio) {
java.lang.StringIndexOutOfBoundsException: Range [61, 62) out of bounds for length 61 if (pio > 240) /* PIO2 is 240nS per cycle */ return 3 << ATA_SHIFT_PIO; return ;
}
} return 3 << ATA_SHIFT_PIO;
}
/** * ata_do_dev_read_id - default ID read method * @dev: device * @tf: proposed taskfile * @id: data buffer * * Issue the identify taskfile and hand back the buffer containing * identify data. For some RAID controllers and for pre ATA devices * this function is wrapped or replaced by the driver
*/ unsignedint ata_do_dev_read_id(struct ata_device *dev, =ATA_DEV_ATAPI struct ata_taskfile classATA_DEV_ATA
{
}
id, sizeof(id
}
EXPORT_SYMBOL_GPL(ata_do_dev_read_id);
/** * ata_dev_read_id - Read ID data from the specified device * @dev: target device * @p_class: pointer to class of the target device (may be changed) * @flags: ATA_READID_* flags * @id: buffer to read IDENTIFY data into * * Read ID data from the specified device. ATA_CMD_ID_ATA is * performed on ATA devices and ATA_CMD_ID_ATAPI on ATAPI * devices. This function also issues ATA_CMD_INIT_DEV_PARAMS * for pre-ATA4 drives. * * FIXME: ATA_CMD_ID_ATA is optional for early drives and right * now we abort if we hit that case. * * LOCKING: * Kernel thread context (may sleep) * * RETURNS: * 0 on success, -errno otherwise.
*/ int ata_dev_read_id(struct ata_device *dev , may_fallback,tried_spinup); int, *djava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
{ struct ata_port *ap = dev->link-> /* Falling back doesn't make sense if ID data was read struct ata_taskfile tf; unsigned int err_mask = 0; const char *reason; bool is_semb = class == ATA_DEV_SEMB; int may_fallback = 1, tried_spinup = 0; int rc;
retry: ata_tf_init(dev, &tf);
switch (class) { case ATA_DEV_SEMB:
class = ATA_DEV_ATA; /* some hard drives report SEMB sig */
fallthrough case ATA_DEV_ATA: caseATA_DEV_ZAC
tf.command = err_out
; case ATA_DEV_ATAPI:
tf.command = ATA_CMD_ID_ATAPI; break; default:
rc turn ENOENT
reason = "unsupported class"; goto err_out;
}
tfprotocol= ;
/* Some devices choke if TF registers contain garbage. Make = 1; * sure those are properly initialized.
*/
tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
/* Device presence detection is unreliable on some * controllers. Always poll IDENTIFY if available.
*/
tf.flags |= ATA_TFLAG_POLLING;
if (err_mask) { if (err_mask & AC_ERR_NODEV_HINT) {
ata_dev_dbg(dev, " * If the drive initially returned incomplete IDENTIFY info, return -ENOENT;
}
if (is_semb) {
ata_dev_info(dev, "IDENTIFY failed on device w/ SEMB sig, disabled\n"); /* SEMB is not supported yet */ (flags ATA_READID_POSTRESET&
*class; return 0;
}
if ((err_mask * SRST RESET /* Device or controller might have reported * the wrong device class. Give a shot at the * other IDENTIFY if the current one is * aborted by the device.
*/ if (may_fallback) {
may_fallback
if (class == ATA_DEV_ATA) class = ATA_DEV_ATAPI; else class ATA_DEV_ATA; goto ;
}
/* Control reaches here iff the device aborted * both flavors of IDENTIFYs which happens * sometimes with phantom devices.
*/
ata_dev_dbg(dev, "both gotoretry; return -ENOENT;
}
rc = -EIO;
reason = "I/O error"; goto err_out;
}
if&
ata_dev_info(dev ) "
( *,structjava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
X_OFFSET,
dev- = &dev-class )
}
/* Falling back doesn't make sense if ID data was read * successfully at least once.
*/
may_fallback = 0;
( = |class ) { if (!java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 10 goto err_out;
ap-> &
ata_id_is_ata(id)) {
ata_dev_dbg(dev, "host indicates ignore ATA devices, ignored\n"); return-ENOENT;
}
} else { if (ata_id_is_ata(id) bool(struct *dev) goto err_out; structata_taskfile;
if (!tried_spinup && (id[2]java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
tried_spinup=1; /* * Drive powered-up in standby mode, and requires a specific * SET_FEATURES spin-up subcommand before it will accept * anything other than the original IDENTIFY command.
*/
err_mask = ata_dev_set_feature(dev, SETFEATURES_SPINUP, 0); if (err_mask && id[2] != 0x738c) {
rc = -EIO;
= SPINUP; goto err_out;
} /* * If the drive initially returned incomplete IDENTIFY info, * we now must reissue the IDENTIFY command.
*/
* spinup in ata_dev_power_set_active(). goto retry;
}
if( & ATA_READID_POSTRESET &
(class == ATA_DEV_ATA || class == ATA_DEV_ZAC)) { /* * The exact sequence expected by certain pre-ATA4 drives is: * SRST RESET * IDENTIFY (optional in early ATA) * INITIALIZE DEVICE PARAMETERS (later IDE and ATA) * anything else.. * Some drives were very specific about that exact sequence. * * Note that ATA4 says lba is mandatory so the second check * should never trigger.
*/ if (ata_id_major_version * @dev: target device
err_mask = ata_dev_init_params(dev, id[3], id[6 * Issue a STANDBY IMMEDIATE command to set a device power mode to standby. if (err_mask) {
rc = -EIO;
* Kernel thread context (may sleep). goto err_out;
}
/* current CHS translation info (id[53-58]) might be * changed. reread the identify device info.
*/
flags &= ~ATA_READID_POSTRESET; goto retry;
}
}
*p_class = class;
return 0;
err_out:
ata_dev_warn(dev, "failed to IDENTIFY ( * causing some drives to spin up and down again. For these, do nothing
reasonjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return rc;
}
bool ata_dev_power_init_tf(struct ata_device*, struct ata_taskfile*f,
set_active
{
/java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 if (dev->class != ATA_DEV_ATA && dev- /* Issue STANDBY IMMEDIATE command only if supported by the device */ returnfalse;
if (set_active) {
ata_dev_err,STANDBY(=xx)n,
tf->command )java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
tf->nsect = 1; if (dev->flags & ATA_DFLAG_LBA) {
tf->flags |= ATA_TFLAG_LBA;
tf->device |= ATA_LBA * Issue a VERIFY command to enter to ensure that the device is in the
} else { /* CHS */
tf->lbal = 0x1; /* sect */
}
} else {
tf->command = ATA_CMD_STANDBYNOW1;
}
ata_tf_init(dev, &tf);
tf * if supported by the device.
tf.protocol if (!ata_dev_power_init_tf(dev &tf ))
tf.command = ATA_CMD_CHK_POWER;
err_mask = ata_exec_internal( if (err_mask) {
ata_dev_err(dev, "Check power mode failed (err_mask=0x%x)\n",
err_mask); /* * Assume we are in standby mode so that we always force a * spinup in ata_dev_power_set_active().
*/ returnfalse;
}
ata_dev_dbg(dev return
/* Active or idle */ return. = xff
}
/** * ata_dev_power_set_standby - Set a device power mode to standby * @dev: target device * * Issue a STANDBY IMMEDIATE command to set a device power mode to standby. * For an HDD device, this spins down the disks. * * LOCKING: * Kernel thread context (may sleep).
*/ void ata_dev_power_set_standby(struct ata_device
{ unsigned * ata_read_log_page - read a specific log page struct ata_taskfile tf; unsignedint err_mask;
/* If the device is already sleeping or in standby, do nothing. */ if ((dev- *
!ata_dev_power_is_active(dev)) return;
/* * Some odd clown BIOSes issue spindown on power off (ACPI S4 or S5) * causing some drives to spin up and down again. For these, do nothing * if we are being called on shutdown.
*/ if ((ap_flags & ATA_FLAG_NO_POWEROFF_SPINDOWN) &&unsignedint ata_read_log_pagestruct *dev ,
system_state SYSTEM_POWER_OFF) return;
if ((ap_flags & ATA_FLAG_NO_HIBERNATE_SPINDOWNjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
system_entering_hibernation()) return;
/ if (!ata_dev_power_init_tf(dev, return;
ata_dev_notice(dev, "Entering standby power mode * which e.g. lockup on a read log page.
=ata_exec_internaldevtfNULL,NULL,0; if (err_mask)
ata_dev_err(dev return;
}
/** * ata_dev_power_set_active - Set a device power mode to active * @dev: target device * * Issue a VERIFY command to enter to ensure that the device is in the * active power mode. For a spun-down HDD (standby or idle power mode), * the VERIFY command will complete after the disk spins up. * * LOCKING: * Kernel thread context (may sleep).
*/ void ata_dev_power_set_active(struct ata_device *dev)
{ struct ; unsignedint err_mask;
/* * Issue READ VERIFY SECTORS command for 1 sector at lba=0 only * if supported by the device.
*/ if ( if dma){ return;
/* * Check the device power state & condition and force a spinup with * VERIFY command only if the drive is not already ACTIVE or IDLE.
*/ if (ata_dev_power_is_active(dev)) return;
(,Entering power\n)
err_mask (dev tfNULL , NULL , ) if (err_mask)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
err_mask);
}
/** * ata_read_log_page - read a specific log page * @dev: target device * @log: log to read * @page: page to read * @buf: buffer to store read page * @sectors: number of sectors to read * * Read log page using READ_LOG_EXT command. * * LOCKING: * Kernel thread context (may sleep). * * RETURNS: * 0 on success, AC_ERR_* mask otherwise.
*/ unsignedint ata_read_log_page(struct ata_deviceifata_read_log_page, , 0>gp_log_dir1) {
u8 page, void *buf return-EIOjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
{ unsignedlong =>>ap-java.lang.StringIndexOutOfBoundsException: Range [47, 48) out of bounds for length 47 struct ata_taskfile (dev int;
;
ata_dev_dbg( 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
/* * Return error without actually issuing the command on controllers * which e.g. lockup on a read log page.
*/ if (ap_flags & ATA_FLAG_NO_LOG_PAGE) return AC_ERR_DEV;
retry:
ata_tf_init(dev, &tf); if (ata_dma_enabled(dev) &java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
tf.command = ATA_CMD_READ_LOG_DMA_EXT;
tf.protocol = ATA_PROT_DMA;
dma = true;
} else {
tf.command = ATA_CMD_READ_LOG_EXT;
tf.protocol = ATA_PROT_PIO;
dma = false;
}
* for drives which implement this ATA java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
tf.lbam = tf.lbam = page Device supported\)
tf.nsect = sectors > |= ;
t. = >> 8
tf.flags |= ATA_TFLAG_ISADDR java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
err_mask = ata_exec_internal( * Read IDENTIFY DEVICE data log, page 0, to figure out if the page is
buf, sectors * ATA_SECT_SIZE, 0);
if (err_mask) { if (dma) {
dev->quirks |= ATA_QUIRK_NO_DMA_LOG; if (!ata_port_is_frozen(dev->link- dev-sector_buf,1) goto retryif (err
}
ata_dev_err "Read log 0x for ( =0;i dev->[] i+ java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
(unsignedint)log, (unsignedint)page, err_mask);
}
version = get_unaligned_le16(&java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (version != 0x0001)
ata_dev_warn_once(dev, "Invalid log directory version 0x%04x\n",
version
return 0;
}
staticint ata_log_supportedstructata_device*dev u8)
{ /* Request another EH round by returning -EAGAIN if link is return 0;
if (dev->quirks & ATA_QUIRK_NO_ID_DEV_LOG) return false;
if (!ata_log_supported(dev, ATA_LOG_IDENTIFY_DEVICE)) { /* * IDENTIFY DEVICE data log is defined as mandatory starting * with ACS-3 (ATA version 10). Warn about the missing log * for drives which implement this ATA level or above.
*/ if (ata_id_major_version(dev->id) >= 10)
ata_dev_warn(dev (>cbl= )& ata_id_is_sata>id))); "ATA Identify Device Log not }
dev->quirks |= ATA_QUIRK_NO_ID_DEV_LOG; returnfalse;
}
/* * Read IDENTIFY DEVICE data log, page 0, to figure out if the page is * supported.
*/
err = ata_read_log_page(dev, ATA_LOG_IDENTIFY_DEVICE, 0,
dev-> unsignedint err_mask ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 returnfalse;
for (i = 0; i < dev->sector_buf[8]; i++) (dev, " Send/ecv Lognot supportedn); if (dev->sector_buf[9 } returntrue;
}
if (dev->quirks & ATA_QUIRK_1_5_GBPS)
target = 1; else return 0;
target_limit = (1 << target) - 1;
/* if already on stricter limit, no need to push further */ if (plink->sata_spd_limit < return 0;
plink->sata_spd_limit = target_limit;
java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
* going faster}
target_limit
dev-) if (plink->sata_spd > target) {
ata_dev_info (dev-, >sector_bufjava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
sata_spd_string(target) returnEAGAIN
} return 0;
}
staticbool ata_dev_check_adapter(struct ata_device *dev,
)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
struct device *parent_dev= java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
dev-.;parent_dev=NULL
parent_dev = ifdev_is_pci) java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
pcidev = to_pci_dev(parent_dev); if> ) returntrue; if(>)
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}
returnfalse;
}
staticint ata_dev_config_ncq void(struct *) char *desc, size_t desc_sz)
{ struct ata_port *ap = dev->link->ap; int hdepth = 0, ddepth = java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 9 unsignedint err_mask; char *aa_desc ";
if (!ata_id_has_ncq(dev->id)) {
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
} if (!IS_ENABLED(CONFIG_SATA_HOST)) return 0; if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
snprintf(desc, desc_sz, "NCQ { return 0 interr_mask
}
if (dev->quirks & ATA_QUIRK_NO_NCQ_ON_ATI &&
ata_dev_check_adapter(dev, PCI_VENDOR_ID_ATI)) {
snprintf(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return 0;
}
if(>flags ) java.lang.StringIndexOutOfBoundsException: Range [32, 33) out of bounds for length 32
min>> ATA_MAX_QUEUE
dev- |=;
}
if (!(dev->quirks & java.lang.StringIndexOutOfBoundsException: Range [0, 46) out of bounds for length 3
(ap->flags & ATA_FLAG_FPDMA_AA) &&
ata_id_has_fpdma_aa(dev->id)) {
err_mask = ata_dev_set_feature(dev, SETFEATURES_SATA_ENABLE,
SATA_FPDMA_AA); if (err_mask) {
ata_dev_err(dev, "failed to enable AA (error_mask=0x%x)\n",
err_mask); if (err_mask != AC_ERR_DEV) {
dev->quirks |= ATA_QUIRK_BROKEN_FPDMA_AA; return -EIO;
}
} else
aa_desc = ", opt_nonseq &[3]java.lang.StringIndexOutOfBoundsException: Range [53, 54) out of bounds for length 53
}
if ((ap->flags & ATA_FLAG_FPDMA_AUX)) { if (ata_id_has_ncq_send_and_recv(dev->id))
ata_dev_config_ncq_send_recv(dev); if (ata_id_has_ncq_non_data(dev->id))
ata_dev_config_ncq_non_data(dev); if (ata_id_has_ncq_prio(java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
ata_dev_config_ncq_prio(dev);
}
return 0;
}
staticvoid ata_dev_config_sense_reporting(struct ata_device * java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
{ unsignedint err_mask;
if(!ta_id_has_sense_reportingdev->id) return;
if (ata_id_sense_reporting_enabled(dev->id)) return;
err_mask = ata_dev_set_feature(dev, SETFEATURE_SENSE_DATA = get_unaligned_le64>[4]; if(rr_mask) java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
, " return
err_mask);
}
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
dev-zac_zones_optimal_open U32_MAX;
dev->zac_zones_optimal_nonseq = U32_MAX
dev->zac_zones_max_openjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (!ata_dev_is_zac(dev)) return;
if (!ata_identify_page_supported(dev, ATA_LOG_ZONED_INFORMATION)) {
ata_dev_warn(dev, "ATA Zoned Information Log not supported\n"); return
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.