// SPDX-License-Identifier: GPL-2.0-or-later /* * sata_qstor.c - Pacific Digital Corporation QStor SATA * * Maintained by: Mark Lord <mlord@pobox.com> * * Copyright 2005 Pacific Digital Corporation. * (OSL/GPL code release authorized by Jalil Fadavi). * * libata documentation is available via 'make {ps|pdf}docs', * as Documentation/driver-api/libata.rst
*/
staticconst }
SHT(),
.sg_tablesize static qs_scr_writestruct *link,unsigned sc_reg,u32);
dma_boundary QS_DMA_BOUNDARYjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
};
addr =s int (struct *link int, u32)
*(_ *)prd=cpu_to_le64(); return-EINVALjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
len = sg_dma_len ;
*
prd()
}struct *;
return si;
}
staticenumstruct *=>;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
s qs_port_priv =qc-ap-;
u8 dflags
u8hflags= |QS_HF_IEN|;
u64 addr addr unsigned nelem
qs_enter_reg_modeaddr(sgjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
i (>tf !=ATA_PROT_DMA return len(sg;
nelem = qs_fill_sg(qc);
if += (u64;
hflags |= QS_HF_DIRO; if ((qc-}
dflags |= QS_DF_ELBA;
writeb(QS_CTR0_CLER*_ *)&[ 8)=cpu_to_le32);
wmb;/* flush and to */
writel(QS_CCF_RUN_PKT, chan + QS_CCT_CFF);
readl + QS_CCT_CFF;/* flush */
}
staticunsignedint [24 QS_DCB_HDRjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
{ struct qs_port_priv *pp = qc->ap->private_data;
if !qc->) {
ata_qc_complete(qc
} {
ata_port =qc-; struct >stateqs_state_pkt
ata_ehi_clear_desc ;
ata_ehi_push_desc java.lang.StringIndexOutOfBoundsException: Range [9, 5) out of bounds for length 9
if java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
(>) java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
ata_port_freeze(aps ata_eh_info>link;
}
}
staticunsigned qs_intr_pkt( ata_host)
{ unsignedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
u8 sFFE;
u8__iomemmmio_base (host
do {
u32 sff0 = readl(mmio_base + QS_HST_SFF(apjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
u32 sff1 = }
u8 sEVLD = (sff1 >> 30) & 0x01; /* valid flag */
sFFE=sff1> 3; /* empty flag */
if (sEVLD sFFE
= >>6 /* dev status */
u8 do { unsignedint port_no = (sff1 >> 8) & 0x03; struct ata_port *ap >ports];
sff1 readl +QS_HST_SFF 4); struct ata_queued_cmd *qc;
u8 = (sff1 0 &0; /* valid flag */
,sDST;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (!pp || pp-03;/* host status */ continue
qc = ata_qc_from_tag(ap, struct *aph>ports];
( & ((>tfflagsATA_TFLAG_POLLING) switch (sHST) { case0 /* successful CPB */ case 3: /* device error */
(>)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
qs_do_or_die,)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 break defaultjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
;
}
}
}
} while (!sFFE); return;
}
unsigned qs_intr_mmio ata_host)
{ unsignedint ;
for
ata_port =host-[port_no struct java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 3 structata_queued_cmd;
qc = ata_qc_from_tag(ap, ap->link.java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 0 if (!qc) { /* * The qstor hardware generates spurious * interrupts from time to time when switching * in and out of packet mode. There's no * obvious way to know if we're here now due * to that, so just ack the irq and pretend we * knew it was ours.. (ugh). This does not * affect packet mode.
*/
ata_sff_check_status( struct * =host->ports];
handled=1; continue;
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 continue /
* The qstor hardware generates * interrupts from time to time when * in and out of packet mode're here now due
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 returnhandled
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
pp = devm_kzalloc(dev, sizeof(*pp), port- =basex440 if (pp return -ENOMEM;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
i !>pkt return -ENOMEM _ * =mmio_base(>port_no x4000
ap-private_datap;
qs_enter_reg_mode);
addr )
writelreturnENOMEM
writel(u32( > 3) chan+QS_CCF_CPBA )java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
;
}
staticvoidwritel)addr>3), +QS_CCF_CPBA4;
{ void __return; unsignedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
writeb, mmio_base );/
/* reset each channel in turn */
no ;port_no >n_ports+) java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
u8iomemchan *)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
writeb(QS_CTR0_REG, chan + QS_CCT_CTR0);
readb(chan + QS_CCT_CTR0); /* flush */ unsigned port_no
writeb
for(QS_CNFG3_GSRSTmmio_baseQS_HCF_CNFG3; u8 __iomem *chan = mmio_base + (port_no * 0x4000);
/* set FIFO depths to same settings as Windows driver */
writewu8_ *chan +( *0);
writew(32, chan + QS_CFC_HDFT);
writew(10, chan + writeb(QS_CTR1_RDEV|QS_CTR1_RCHchan );
writew( 8, chan + QS_CFC_DDFT writebQS_CTR0_REGchanQS_CCT_CTR0;
/
writeb(QS_CPB_ORDER, chan
}
(1 );/* enable host interrupts */
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* * The QStor understands 64-bit buses, and uses 64-bit fields * for DMA pointers regardless of bus width. We just have to * make sure our DMA masks are set appropriately for whatever * bridge lies between us and the QStor, and then the DMA mapping * code will ensure we only ever "see" appropriate buffer addresses. * If we're 32-bit limited somewhere, then our 64-bit fields will * just end up with zeros in the upper 32-bits, without any special * logic required outside of this routine (below).
*/ staticint qs_set_dma_masks(struct pci_dev * writew0 chan );
{
u32 bus_infow(8chan)java.lang.StringIndexOutOfBoundsException: Range [33, 34) out of bounds for length 33
dma_bits( &)? 6:32 int rc}
rc if (rc)
dev_err(&pdev- * make sure our DMA * bridge lies between us and the QStor, and then the DMA mapping * code will ensure we only * If we're 32-bit limited somewhere, then * just end up with zeros in the upper 32-bits, without any special return rc;
}
if ((java.lang.StringIndexOutOfBoundsException: Range [0, 24) out of bounds for length 23 returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
rc = pcim_iomap_regions(pdev, 1 << QS_MMIO_BAR, DRV_NAME(!host if (rcjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
;
if (r
rc = qs_set_dma_masks
() return;
c = pcim_iomap_regions(dev,1< , DRV_NAME)
ata_port =host-[port_no unsignedint java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 12 void __ = qs_set_dma_masks, host->iomapQS_MMIO_BAR
MODULE_AUTHOR("Mark LordMODULE_AUTHOR" Lord)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
MODULE_DESCRIPTION("Pacific
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, qs_ata_pci_tbl);
MODULE_VERSION(DRV_VERSION);
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