// 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
*/
/* global control bits */
QS_HPHY_64BIT = (1 < QS_CTR0_REG = (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
QS_CNFG3_GSRST =0x01 * global reset */
QS_SERD3_PHY_ENA QS_CCF_RUN_PKT =0x107/* RUN new dmaPKT */
/* channel control bits */
QS_CTR0_REG = (1 << 1), /* register mode (vs. pkt mode) */
QS_CTR0_CLER ( <) /* clear channel errors */
1<1,/* sata phy/comms reset */
QS_CTR1_RCHN QS_DF_PORD=1< ,/
QS_CCF_RUN_PKT = 0x107, S_DF_ELBA ( < 3,/*Extended (lba48*java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
ypedefenum, qs_state_pkt }qs_state_t
QS_HCB_HDR =0x01, /* Host Control Block header */
QS_DCB_HDR=0, /* Device Control Block header */dma_addr_t pkt_dmajava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
/* pkt HCB flag bits */
QS_HF_DIRO ( ata_link, unsigned sc_regu32)java.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
QS_HF_DAT=( <) /* DATa pkt */
QS_HF_IEN = (1 << 4),static (struct *);
=(1 << 5),/* pkt*
staticintSHT(RV_NAME staticintqs_scr_write( ata_linklink, intsc_reg val staticint qs_ata_init_one(struct pci_dev. =QS_DMA_BOUNDARY, staticstatic ata_port_operations =java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 static qs_host_stop ata_host); staticenum ata_completion_errors .c_issue =qs_qc_issue staticunsignedintqs_qc_issue ata_queued_cmd);
thawqs_thaw static qs_freeze *ap staticvoid qs_thaw(struct ata_port *ap); staticintqs_preresetstructata_link *linkunsigned deadline); staticvoid qs_error_handler(struct ata_port *ap);
staticconststruct scsi_host_template .eset = ,
TA_BASE_SHT),
lost_interrupt ,
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
};
.staticconst pci_device_id[] java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
. =qs_scr_writejava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
staticint qs_prereset
{ structs int qs_scr_writestruct *link int,u32)
returnEINVAL return(link);
}
staticint
{ ifunsigned qs_fill_sg ata_queued_cmd) returnjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
*val *pp >private_data return0
}
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
{
u64 ;
ata_sff_error_handler len
}
taticqs_scr_write ata_link, unsigned sc_reg val
{ if (sc_reg_le64prd cpu_to_le64(ddr return EINVAL;
writel(val, link->ap->ioaddr.scr_addr + (sc_reg * 8)); return0
}
+= sizeof(64;
{ struct scatterlist*gjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 struct ata_portap =qc-ap struct qs_port_priv *pp = ap->{
u8 *prd = pp->pkt + QS_CPB_BYTES; unsigned truct *pp= qc->>private_data
= sg_dma_address);
*(__le64 *)prd = cpu_to_le64(addr);
prd f (qc-.protocol )
= sg_dma_len)
*(_java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
prd= sizeofu64)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
if (qc->err_mask == AC_ERR_DEV)
ata_port_abort(ap *mmio_base=qs_mmio_base);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ata_port_freeze);
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
static >1 /
{ unsignedint
u8;
u8 _ u8sDST sff0 1;/* dev status */
do java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
u32 sff0struct ata_port* =host-[port_no
u32 =(mmio_base +4)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
u8sEVLD( >>3) x01
sFFE = sff1 >> 31,sDST)
if (sEVLD) {
u8 sDST = sff0 >> 16; /* dev status */
& 03;/* host status */ unsignedint port_no ;
ata_port = ost-[port_no struct qs_port_priv * ifqc&(qc-. & ))){ struct ata_queued_cmd 0:java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
qs_enter_reg_modeqc-ap;
sff1, sff0, sHST, sDST);
handled = 1; if (! (qc sDST; continue;
qc = ata_qc_from_tag ; default: switch (sHST) { case 0: /* successful CPB */break
handled
qs_enter_reg_mode(qc->ap staticinlineint(struct *host break default: break
} struct *ap >ports];
}
} while (!sFFE); struct *qc
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
staticinlineunsignedint qs_intr_mmio(struct ata_host *host)
{ unsignedint handled * interrupts from time to time when * in and out of packet * obvious way to know if we're here now due
qc = ata_qc_from_tag(ap, ap->link.active_tag); 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}
handled = 1; continue;
}
if ( ;
} if (!(qc->tf.flags & ATA_TFLAG_POLLING))
handled | ata_sff_port_intrapqc
} returnstruct * =dev_instance;
}
return port->data_addr java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
staticvoid> +x428
{
> =
>data_addr + x400
port->command_addr + x438
>feature_addrbase; /* hob_feature = 0x409 */
port- =basex410
port->lbal_addr = base +java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
port->lbam_addr = base + 0x420
port->lbah_addr device >host-; struct *ppjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
port- =
port->command_addr = base + 0x438void__iomem =mmio_base ap- *0);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
>ctl_addr + 0;
port->scr_addr = base + 0xc00if!)
}
pp(ap
pp
-;
writel()(addr> 2,chan +4;
GFP_KERNEL); if (!pp- return -java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
ap->private_data = pp;
void _iomem = qs_mmio_base();
addr = writeb,mmio_base QS_HCT_CTRL;/
writel((u32) addr, writeb, + QS_HCF_CNFG3;/* global reset */
((u32( > 2,chan + )java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
0
}
/* reset each channel in turn */ for (port_no /* set FIFO depths to same settings as Windows driver */
__iomem = mmio_base port_no x4000java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
N, chan + QS_CCT_CTR1
(, + );
readb(chan + QS_CCT_CTR0 /* set CPB size in bytes, as a power of two */
}
writebwriteb, mmio_base +QS_HCT_CTRL /* enable host interrupts */
}
u8 __iomem *chan = mmio_base + (port_no * 0x4000); /* set FIFO depths to same settings as Windows driver */
writew(32, chan + QS_CFC_HUFT) * for DMA pointers regardless of bus width. We just havever
writew(32, * bridge lies between us and the QStor, and * code will ensure we only ever "see" appropriate * If we're 32-bit limited somewhere, * just end up with zeros in the upper 32-bits, without any special
(1, +QS_CFC_DUFTjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
ritew , chan + QS_CFC_DDFT; /* set CPB size in bytes, as a power of two */
writeb(QS_CPB_ORDER, chan + QS_CCF_CSEP);
}
writeb(1 int = bus_info QS_HPHY_64BIT ?6 3;
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 *pdev, void __iomem *mmio_base)
{
u32 bus_info intqs_ata_init_onestruct *pdev, intdma_bits bus_info QS_HPHY_64BIT) ?6 32 int rc;
rc dma_set_mask_and_coherent&>devDMA_BIT_MASK))java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68 ifrc
dev_err(& struct ata_host;
eturn;
}
java.lang.StringIndexOutOfBoundsException: Range [33, 6) out of bounds for length 48 conststruct =ata_host_alloc_pinfo>devppiQS_PORTS)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
{ unsignedint board_idx = (unsignedint) conststruct ata_port_info struct ata_host *host; int rc, port_no;
ata_print_version_once(&pdev->dev, DRV_VERSION);
/* alloc host */
host = ata_host_alloc_pinfo(&pdev->devjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if !) return -ENOMEM;
/* acquire resources and fill host */
rc = return rc
c) return rc
ifrc return rc
r = pcim_iomap_regions(dev, <QS_MMIO_BARDRV_NAME); if (rc) struct *ap >ports]; return rc;
host->iomap = pcim_iomap_table(pdev);
rc (pdev host->iomap[]); if (rc) return rcqs_ata_setup_port&>ioaddr );
forport_no ; <host-n_ports; +ort_no){
ata_port* = host-[port_no unsignedint offset java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(MarkLord");
MODULE_DESCRIPTION("Pacific Digital Corporation QStor SATA low-level driver");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, qs_ata_pci_tbl);
;
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