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-rw-r--r--hw/ide/ahci.c11
-rw-r--r--hw/ide/ahci.h1
2 files changed, 7 insertions, 5 deletions
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index 1027a60a9b..b77512b0a0 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -833,9 +833,8 @@ static int prdt_tbl_entry_size(const AHCI_SG *tbl)
}
static int ahci_populate_sglist(AHCIDevice *ad, QEMUSGList *sglist,
- int64_t limit, int32_t offset)
+ AHCICmdHdr *cmd, int64_t limit, int32_t offset)
{
- AHCICmdHdr *cmd = ad->cur_cmd;
uint16_t opts = le16_to_cpu(cmd->opts);
uint16_t prdtl = le16_to_cpu(cmd->prdtl);
uint64_t cfis_addr = le64_to_cpu(cmd->tbl_addr);
@@ -1058,6 +1057,7 @@ static void process_ncq_command(AHCIState *s, int port, uint8_t *cmd_fis,
ncq_tfs->used = 1;
ncq_tfs->drive = ad;
ncq_tfs->slot = slot;
+ ncq_tfs->cmdh = &((AHCICmdHdr *)ad->lst)[slot];
ncq_tfs->cmd = ncq_fis->command;
ncq_tfs->lba = ((uint64_t)ncq_fis->lba5 << 40) |
((uint64_t)ncq_fis->lba4 << 32) |
@@ -1092,7 +1092,7 @@ static void process_ncq_command(AHCIState *s, int port, uint8_t *cmd_fis,
ncq_tfs->sector_count = 0x10000;
}
size = ncq_tfs->sector_count * 512;
- ahci_populate_sglist(ad, &ncq_tfs->sglist, size, 0);
+ ahci_populate_sglist(ad, &ncq_tfs->sglist, ncq_tfs->cmdh, size, 0);
if (ncq_tfs->sglist.size < size) {
error_report("ahci: PRDT length for NCQ command (0x%zx) "
@@ -1362,7 +1362,8 @@ static int32_t ahci_dma_prepare_buf(IDEDMA *dma, int32_t limit)
AHCIDevice *ad = DO_UPCAST(AHCIDevice, dma, dma);
IDEState *s = &ad->port.ifs[0];
- if (ahci_populate_sglist(ad, &s->sg, limit, s->io_buffer_offset) == -1) {
+ if (ahci_populate_sglist(ad, &s->sg, ad->cur_cmd,
+ limit, s->io_buffer_offset) == -1) {
DPRINTF(ad->port_no, "ahci_dma_prepare_buf failed.\n");
return -1;
}
@@ -1397,7 +1398,7 @@ static int ahci_dma_rw_buf(IDEDMA *dma, int is_write)
uint8_t *p = s->io_buffer + s->io_buffer_index;
int l = s->io_buffer_size - s->io_buffer_index;
- if (ahci_populate_sglist(ad, &s->sg, l, s->io_buffer_offset)) {
+ if (ahci_populate_sglist(ad, &s->sg, ad->cur_cmd, l, s->io_buffer_offset)) {
return 0;
}
diff --git a/hw/ide/ahci.h b/hw/ide/ahci.h
index 9090d3d882..9f5b4d20b5 100644
--- a/hw/ide/ahci.h
+++ b/hw/ide/ahci.h
@@ -254,6 +254,7 @@ typedef struct AHCIDevice AHCIDevice;
typedef struct NCQTransferState {
AHCIDevice *drive;
BlockAIOCB *aiocb;
+ AHCICmdHdr *cmdh;
QEMUSGList sglist;
BlockAcctCookie acct;
uint32_t sector_count;