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When IOCATAGPARM is called, update the capabilities page that is stored

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in the kernel and return the new values.
This commit is contained in:
Søren Schmidt 2005-11-25 09:00:56 +00:00
parent 19ddaa6566
commit 6c22760c61
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=152783
2 changed files with 29 additions and 18 deletions
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45
sys/dev/ata/ata-all.c
View File

@ -68,6 +68,7 @@ static struct cdevsw ata_cdevsw = {
static void ata_interrupt(void *);
static void ata_boot_attach(void);
static device_t ata_add_child(device_t, struct ata_device *, int);
static int ata_getparam(struct ata_device *, int);
static void bswap(int8_t *, int);
static void btrim(int8_t *, int);
static void bpack(int8_t *, int8_t *, int);
@ -511,6 +512,7 @@ ata_device_ioctl(device_t dev, u_long cmd, caddr_t data)
return error;
case IOCATAGPARM:
ata_getparam(atadev, 0);
bcopy(&atadev->param, params, sizeof(struct ata_params));
return 0;
@ -572,9 +574,9 @@ ata_add_child(device_t parent, struct ata_device *atadev, int unit)
}
static int
ata_getparam(device_t parent, struct ata_device *atadev)
ata_getparam(struct ata_device *atadev, int init)
{
struct ata_channel *ch = device_get_softc(parent);
struct ata_channel *ch = device_get_softc(device_get_parent(atadev->dev));
struct ata_request *request;
u_int8_t command = 0;
int error = ENOMEM, retries = 2;
@ -631,8 +633,7 @@ ata_getparam(device_t parent, struct ata_device *atadev)
bpack(atacap->revision, atacap->revision, sizeof(atacap->revision));
btrim(atacap->serial, sizeof(atacap->serial));
bpack(atacap->serial, atacap->serial, sizeof(atacap->serial));
sprintf(buffer, "%.40s/%.8s", atacap->model, atacap->revision);
device_set_desc_copy(atadev->dev, buffer);
if (bootverbose)
printf("ata%d-%s: pio=%s wdma=%s udma=%s cable=%s wire\n",
ch->unit, atadev->unit == ATA_MASTER ? "master":"slave",
@ -641,17 +642,21 @@ ata_getparam(device_t parent, struct ata_device *atadev)
ata_mode2str(ata_umode(atacap)),
(atacap->hwres & ATA_CABLE_ID) ? "80":"40");
if (atadev->param.config & ATA_PROTO_ATAPI) {
if (atapi_dma && ch->dma &&
(atadev->param.config & ATA_DRQ_MASK) != ATA_DRQ_INTR &&
ata_umode(&atadev->param) >= ATA_UDMA2)
atadev->mode = ATA_DMA_MAX;
}
else {
if (ata_dma && ch->dma &&
(ata_umode(&atadev->param) > 0 ||
ata_wmode(&atadev->param) > 0))
atadev->mode = ATA_DMA_MAX;
if (init) {
sprintf(buffer, "%.40s/%.8s", atacap->model, atacap->revision);
device_set_desc_copy(atadev->dev, buffer);
if (atadev->param.config & ATA_PROTO_ATAPI) {
if (atapi_dma && ch->dma &&
(atadev->param.config & ATA_DRQ_MASK) != ATA_DRQ_INTR &&
ata_umode(&atadev->param) >= ATA_UDMA2)
atadev->mode = ATA_DMA_MAX;
}
else {
if (ata_dma && ch->dma &&
(ata_umode(&atadev->param) > 0 ||
ata_wmode(&atadev->param) > 0))
atadev->mode = ATA_DMA_MAX;
}
}
}
else {
@ -704,11 +709,11 @@ ata_identify(device_t dev)
slave = NULL;
}
if (slave && ata_getparam(dev, slave)) {
if (slave && ata_getparam(slave, 1)) {
device_delete_child(dev, slave_child);
free(slave, M_ATA);
}
if (master && ata_getparam(dev, master)) {
if (master && ata_getparam(master, 1)) {
device_delete_child(dev, master_child);
free(master, M_ATA);
}
@ -808,6 +813,12 @@ ata_modify_if_48bit(struct ata_request *request)
case ATA_FLUSHCACHE:
request->u.ata.command = ATA_FLUSHCACHE48;
break;
case ATA_READ_NATIVE_MAX_ADDDRESS:
request->u.ata.command = ATA_READ_NATIVE_MAX_ADDDRESS48;
break;
case ATA_SET_MAX_ADDRESS:
request->u.ata.command = ATA_SET_MAX_ADDRESS48;
break;
default:
return;
}

2
sys/dev/ata/ata-all.h
View File

@ -298,7 +298,7 @@
#define ATA_INTR_FLAGS (INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY)
#define ATA_OP_CONTINUES 0
#define ATA_OP_FINISHED 1
#define ATA_MAX_28BIT_LBA 268435455
#define ATA_MAX_28BIT_LBA 268435455UL
/* ATAPI request sense structure */
struct atapi_sense {