diff options
Diffstat (limited to 'hw/ide/ahci.c')
| -rw-r--r-- | hw/ide/ahci.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index ff338fe10a..9f4a672cfd 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -218,10 +218,6 @@ static int ahci_cond_start_engines(AHCIDevice *ad, bool allow_stop) } else if (pr->cmd & PORT_CMD_LIST_ON) { if (allow_stop) { ahci_unmap_clb_address(ad); - } else { - error_report("AHCI: DMA engine should be off, " - "but appears to still be running"); - return -1; } } @@ -234,10 +230,6 @@ static int ahci_cond_start_engines(AHCIDevice *ad, bool allow_stop) } else if (pr->cmd & PORT_CMD_FIS_ON) { if (allow_stop) { ahci_unmap_fis_address(ad); - } else { - error_report("AHCI: FIS receive engine should be off, " - "but appears to still be running"); - return -1; } } @@ -1568,10 +1560,23 @@ static int ahci_state_post_load(void *opaque, int version_id) int i, j; struct AHCIDevice *ad; NCQTransferState *ncq_tfs; + AHCIPortRegs *pr; AHCIState *s = opaque; for (i = 0; i < s->ports; i++) { ad = &s->dev[i]; + pr = &ad->port_regs; + + if (!(pr->cmd & PORT_CMD_START) && (pr->cmd & PORT_CMD_LIST_ON)) { + error_report("AHCI: DMA engine should be off, but status bit " + "indicates it is still running."); + return -1; + } + if (!(pr->cmd & PORT_CMD_FIS_RX) && (pr->cmd & PORT_CMD_FIS_ON)) { + error_report("AHCI: FIS RX engine should be off, but status bit " + "indicates it is still running."); + return -1; + } /* Only remap the CLB address if appropriate, disallowing a state * transition from 'on' to 'off' it should be consistent here. */ |