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MFp4:

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- Add support for sector size > 512 bytes and physical sector of several
logical sectors, introduced by ATA-7 specification.
- Remove some obsoleted code.
This commit is contained in:
Alexander Motin 2009-11-04 15:24:32 +00:00
parent c82b245af9
commit c1bd46c2d3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=198897
6 changed files with 61 additions and 33 deletions
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4
sbin/camcontrol/camcontrol.c
View File

@ -1061,6 +1061,10 @@ atacapprint(struct ata_params *parm)
printf("cylinders %d\n", parm->cylinders);
printf("heads %d\n", parm->heads);
printf("sectors/track %d\n", parm->sectors);
printf("sector size logical %u, physical %lu, offset %lu\n",
ata_logical_sector_size(parm),
(unsigned long)ata_physical_sector_size(parm),
(unsigned long)ata_logical_sector_offset(parm));
if (parm->config == ATA_PROTO_CFA ||
(parm->support.command2 & ATA_SUPPORT_CFA))

32
sys/cam/ata/ata_all.c
View File

@ -271,6 +271,38 @@ ata_print_ident(struct ata_params *ident_data)
printf(" device\n");
}
uint32_t
ata_logical_sector_size(struct ata_params *ident_data)
{
if ((ident_data->pss & 0xc000) == 0x4000 &&
(ident_data->pss & ATA_PSS_LSSABOVE512)) {
return ((u_int32_t)ident_data->lss_1 |
((u_int32_t)ident_data->lss_2 << 16));
}
return (512);
}
uint64_t
ata_physical_sector_size(struct ata_params *ident_data)
{
if ((ident_data->pss & 0xc000) == 0x4000 &&
(ident_data->pss & ATA_PSS_MULTLS)) {
return ((uint64_t)ata_logical_sector_size(ident_data) *
(1 << (ident_data->pss & ATA_PSS_LSPPS)));
}
return (512);
}
uint64_t
ata_logical_sector_offset(struct ata_params *ident_data)
{
if ((ident_data->lsalign & 0xc000) == 0x4000) {
return ((uint64_t)ata_logical_sector_size(ident_data) *
(ident_data->lsalign & 0x3fff));
}
return (0);
}
void
ata_28bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint8_t features,
uint32_t lba, uint8_t sector_count)

4
sys/cam/ata/ata_all.h
View File

@ -91,6 +91,10 @@ int ata_res_sbuf(struct ccb_ataio *ataio, struct sbuf *sb);
void ata_print_ident(struct ata_params *ident_data);
uint32_t ata_logical_sector_size(struct ata_params *ident_data);
uint64_t ata_physical_sector_size(struct ata_params *ident_data);
uint64_t ata_logical_sector_offset(struct ata_params *ident_data);
void ata_28bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint8_t features,
uint32_t lba, uint8_t sector_count);
void ata_48bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint16_t features,

46
sys/cam/ata/ata_da.c
View File

@ -95,16 +95,14 @@ typedef enum {
struct disk_params {
u_int8_t heads;
u_int32_t cylinders;
u_int8_t secs_per_track;
u_int32_t secsize; /* Number of bytes/sector */
u_int64_t sectors; /* total number sectors */
u_int32_t cylinders;
u_int32_t secsize; /* Number of bytes/logical sector */
u_int64_t sectors; /* Total number sectors */
};
struct ada_softc {
struct bio_queue_head bio_queue;
SLIST_ENTRY(ada_softc) links;
LIST_HEAD(, ccb_hdr) pending_ccbs;
ada_state state;
ada_flags flags;
ada_quirks quirks;
@ -142,7 +140,7 @@ static void adadone(struct cam_periph *periph,
union ccb *done_ccb);
static int adaerror(union ccb *ccb, u_int32_t cam_flags,
u_int32_t sense_flags);
static void adasetgeom(struct cam_periph *periph,
static void adagetparams(struct cam_periph *periph,
struct ccb_getdev *cgd);
static timeout_t adasendorderedtag;
static void adashutdown(void *arg, int howto);
@ -613,7 +611,6 @@ adaregister(struct cam_periph *periph, void *arg)
return(CAM_REQ_CMP_ERR);
}
LIST_INIT(&softc->pending_ccbs);
bioq_init(&softc->bio_queue);
if (cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA)
@ -658,6 +655,7 @@ adaregister(struct cam_periph *periph, void *arg)
* Register this media as a disk
*/
mtx_unlock(periph->sim->mtx);
adagetparams(periph, cgd);
softc->disk = disk_alloc();
softc->disk->d_open = adaopen;
softc->disk->d_close = adaclose;
@ -671,9 +669,9 @@ adaregister(struct cam_periph *periph, void *arg)
else if (maxio > MAXPHYS)
maxio = MAXPHYS; /* for safety */
if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48)
maxio = min(maxio, 65536 * 512);
maxio = min(maxio, 65536 * softc->params.secsize);
else /* 28bit ATA command limit */
maxio = min(maxio, 256 * 512);
maxio = min(maxio, 256 * softc->params.secsize);
softc->disk->d_maxsize = maxio;
softc->disk->d_unit = periph->unit_number;
softc->disk->d_flags = 0;
@ -682,9 +680,12 @@ adaregister(struct cam_periph *periph, void *arg)
strlcpy(softc->disk->d_ident, cgd->serial_num,
MIN(sizeof(softc->disk->d_ident), cgd->serial_num_len + 1));
adasetgeom(periph, cgd);
softc->disk->d_sectorsize = softc->params.secsize;
softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
softc->disk->d_mediasize = (off_t)softc->params.sectors *
softc->params.secsize;
softc->disk->d_stripesize = ata_physical_sector_size(&cgd->ident_data);
softc->disk->d_stripeoffset = softc->disk->d_stripesize -
ata_logical_sector_offset(&cgd->ident_data);
/* XXX: these are not actually "firmware" values, so they may be wrong */
softc->disk->d_fwsectors = softc->params.secs_per_track;
softc->disk->d_fwheads = softc->params.heads;
@ -852,19 +853,10 @@ adastart(struct cam_periph *periph, union ccb *start_ccb)
break;
}
start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO;
/*
* Block out any asyncronous callbacks
* while we touch the pending ccb list.
*/
LIST_INSERT_HEAD(&softc->pending_ccbs,
&start_ccb->ccb_h, periph_links.le);
softc->outstanding_cmds++;
start_ccb->ccb_h.ccb_bp = bp;
bp = bioq_first(&softc->bio_queue);
softc->outstanding_cmds++;
xpt_action(start_ccb);
bp = bioq_first(&softc->bio_queue);
}
if (bp != NULL) {
@ -941,12 +933,6 @@ adadone(struct cam_periph *periph, union ccb *done_ccb)
if (ataio->resid > 0)
bp->bio_flags |= BIO_ERROR;
}
/*
* Block out any asyncronous callbacks
* while we touch the pending ccb list.
*/
LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
softc->outstanding_cmds--;
if (softc->outstanding_cmds == 0)
softc->flags |= ADA_FLAG_WENT_IDLE;
@ -983,14 +969,14 @@ adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
}
static void
adasetgeom(struct cam_periph *periph, struct ccb_getdev *cgd)
adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd)
{
struct ada_softc *softc = (struct ada_softc *)periph->softc;
struct disk_params *dp = &softc->params;
u_int64_t lbasize48;
u_int32_t lbasize;
dp->secsize = 512;
dp->secsize = ata_logical_sector_size(&cgd->ident_data);
if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) &&
cgd->ident_data.current_heads && cgd->ident_data.current_sectors) {
dp->heads = cgd->ident_data.current_heads;

6
sys/cam/ata/ata_xpt.c
View File

@ -363,10 +363,12 @@ probestart(struct cam_periph *periph, union ccb *start_ccb)
cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS;
cts.type = CTS_TYPE_CURRENT_SETTINGS;
if (path->device->transport == XPORT_ATA) {
cts.xport_specific.ata.bytecount = sectors * 512;
cts.xport_specific.ata.bytecount = sectors *
ata_logical_sector_size(ident_buf);
cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT;
} else {
cts.xport_specific.sata.bytecount = sectors * 512;
cts.xport_specific.sata.bytecount = sectors *
ata_logical_sector_size(ident_buf);
cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT;
}
xpt_action((union ccb *)&cts);

2
sys/sys/ata.h
View File

@ -234,7 +234,7 @@ struct ata_params {
/*176*/ u_int8_t media_serial[60];
/*206*/ u_int16_t sct;
u_int16_t reserved206[2];
/*209*/ u_int16_t lbalign;
/*209*/ u_int16_t lsalign;
/*210*/ u_int16_t wrv_sectors_m3_1;
u_int16_t wrv_sectors_m3_2;
/*212*/ u_int16_t wrv_sectors_m2_1;