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Though there currently isn't a way to insert new media into an ATAPI

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drive, at least pretend to support Asynchronous Notification (AN) to
avoid a guest needlessly polling for it.

Approved by:	grehan (co-mentor)
This commit is contained in:
Tycho Nightingale 2014-03-16 12:33:40 +00:00
parent ff1ffd7499
commit 7292923b49
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=263238
1 changed files with 18 additions and 0 deletions
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18
usr.sbin/bhyve/pci_ahci.c
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@ -94,6 +94,13 @@ enum sata_fis_type {
#define MODEPAGE_RW_ERROR_RECOVERY 0x01
#define MODEPAGE_CD_CAPABILITIES 0x2A
/*
* ATA commands
*/
#define ATA_SF_ENAB_SATA_SF 0x10
#define ATA_SATA_SF_AN 0x05
#define ATA_SF_DIS_SATA_SF 0x90
/*
* Debug printf
*/
@ -1169,6 +1176,17 @@ ahci_handle_cmd(struct ahci_port *p, int slot, uint8_t *cfis)
case ATA_SETFEATURES:
{
switch (cfis[3]) {
case ATA_SF_ENAB_SATA_SF:
switch (cfis[12]) {
case ATA_SATA_SF_AN:
p->tfd = ATA_S_DSC | ATA_S_READY;
break;
default:
p->tfd = ATA_S_ERROR | ATA_S_READY;
p->tfd |= (ATA_ERROR_ABORT << 8);
break;
}
break;
case ATA_SF_ENAB_WCACHE:
case ATA_SF_DIS_WCACHE:
case ATA_SF_ENAB_RCACHE: