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Implement basic PxTFD.STS.BSY reporting.

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MFC after:	2 weeks
This commit is contained in:
Alexander Motin 2015-05-03 07:43:58 +00:00
parent 61dfa98164
commit 9dba9460d9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=282364
1 changed files with 38 additions and 13 deletions
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51
usr.sbin/bhyve/pci_ahci.c
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@ -269,22 +269,24 @@ ahci_write_fis(struct ahci_port *p, enum sata_fis_type ft, uint8_t *fis)
case FIS_TYPE_REGD2H:
offset = 0x40;
len = 20;
irq = AHCI_P_IX_DHR;
irq = (fis[1] & (1 << 6)) ? AHCI_P_IX_DHR : 0;
break;
case FIS_TYPE_SETDEVBITS:
offset = 0x58;
len = 8;
irq = AHCI_P_IX_SDB;
irq = (fis[1] & (1 << 6)) ? AHCI_P_IX_SDB : 0;
break;
case FIS_TYPE_PIOSETUP:
offset = 0x20;
len = 20;
irq = 0;
irq = (fis[1] & (1 << 6)) ? AHCI_P_IX_PS : 0;
break;
default:
WPRINTF("unsupported fis type %d\n", ft);
return;
}
if (fis[2] & ATA_S_ERROR)
irq |= AHCI_P_IX_TFE;
memcpy(p->rfis + offset, fis, len);
if (irq) {
p->is |= irq;
@ -309,22 +311,23 @@ ahci_write_fis_sdb(struct ahci_port *p, int slot, uint8_t *cfis, uint32_t tfd)
uint8_t error;
error = (tfd >> 8) & 0xff;
tfd &= 0x77;
memset(fis, 0, sizeof(fis));
fis[0] = FIS_TYPE_SETDEVBITS;
fis[1] = (1 << 6);
fis[2] = tfd & 0x77;
fis[2] = tfd;
fis[3] = error;
if (fis[2] & ATA_S_ERROR) {
p->is |= AHCI_P_IX_TFE;
p->err_cfis[0] = slot;
p->err_cfis[2] = tfd & 0x77;
p->err_cfis[2] = tfd;
p->err_cfis[3] = error;
memcpy(&p->err_cfis[4], cfis + 4, 16);
} else {
*(uint32_t *)(fis + 4) = (1 << slot);
p->sact &= ~(1 << slot);
}
p->tfd = tfd;
p->tfd &= ~0x77;
p->tfd |= tfd;
ahci_write_fis(p, FIS_TYPE_SETDEVBITS, fis);
}
@ -351,7 +354,6 @@ ahci_write_fis_d2h(struct ahci_port *p, int slot, uint8_t *cfis, uint32_t tfd)
fis[12] = cfis[12];
fis[13] = cfis[13];
if (fis[2] & ATA_S_ERROR) {
p->is |= AHCI_P_IX_TFE;
p->err_cfis[0] = 0x80;
p->err_cfis[2] = tfd & 0xff;
p->err_cfis[3] = error;
@ -362,6 +364,21 @@ ahci_write_fis_d2h(struct ahci_port *p, int slot, uint8_t *cfis, uint32_t tfd)
ahci_write_fis(p, FIS_TYPE_REGD2H, fis);
}
static void
ahci_write_fis_d2h_ncq(struct ahci_port *p, int slot)
{
uint8_t fis[20];
p->tfd = ATA_S_READY | ATA_S_DSC;
memset(fis, 0, sizeof(fis));
fis[0] = FIS_TYPE_REGD2H;
fis[1] = 0; /* No interrupt */
fis[2] = p->tfd; /* Status */
fis[3] = 0; /* No error */
p->ci &= ~(1 << slot);
ahci_write_fis(p, FIS_TYPE_REGD2H, fis);
}
static void
ahci_write_reset_fis_d2h(struct ahci_port *p)
{
@ -589,12 +606,13 @@ ahci_handle_rw(struct ahci_port *p, int slot, uint8_t *cfis, uint32_t done)
struct ahci_cmd_hdr *hdr;
uint64_t lba;
uint32_t len;
int err, ncq, readop;
int err, first, ncq, readop;
prdt = (struct ahci_prdt_entry *)(cfis + 0x80);
hdr = (struct ahci_cmd_hdr *)(p->cmd_lst + slot * AHCI_CL_SIZE);
ncq = 0;
readop = 1;
first = (done == 0);
if (cfis[2] == ATA_WRITE || cfis[2] == ATA_WRITE48 ||
cfis[2] == ATA_WRITE_MUL || cfis[2] == ATA_WRITE_MUL48 ||
@ -655,14 +673,14 @@ ahci_handle_rw(struct ahci_port *p, int slot, uint8_t *cfis, uint32_t done)
/* Stuff request onto busy list. */
TAILQ_INSERT_HEAD(&p->iobhd, aior, io_blist);
if (ncq && first)
ahci_write_fis_d2h_ncq(p, slot);
if (readop)
err = blockif_read(p->bctx, breq);
else
err = blockif_write(p->bctx, breq);
assert(err == 0);
if (ncq)
p->ci &= ~(1 << slot);
}
static void
@ -735,15 +753,18 @@ ahci_handle_dsm_trim(struct ahci_port *p, int slot, uint8_t *cfis, uint32_t done
uint8_t *entry;
uint64_t elba;
uint32_t len, elen;
int err;
int err, first, ncq;
uint8_t buf[512];
first = (done == 0);
if (cfis[2] == ATA_DATA_SET_MANAGEMENT) {
len = (uint16_t)cfis[13] << 8 | cfis[12];
len *= 512;
ncq = 0;
} else { /* ATA_SEND_FPDMA_QUEUED */
len = (uint16_t)cfis[11] << 8 | cfis[3];
len *= 512;
ncq = 1;
}
read_prdt(p, slot, cfis, buf, sizeof(buf));
@ -793,6 +814,9 @@ ahci_handle_dsm_trim(struct ahci_port *p, int slot, uint8_t *cfis, uint32_t done
*/
TAILQ_INSERT_HEAD(&p->iobhd, aior, io_blist);
if (ncq && first)
ahci_write_fis_d2h_ncq(p, slot);
err = blockif_delete(p->bctx, breq);
assert(err == 0);
}
@ -1548,6 +1572,7 @@ static void
ahci_handle_cmd(struct ahci_port *p, int slot, uint8_t *cfis)
{
p->tfd |= ATA_S_BUSY;
switch (cfis[2]) {
case ATA_ATA_IDENTIFY:
handle_identify(p, slot, cfis);