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ahci: replace SATA FIS type magic numbers with constants 

SATA 3.0 "10.3.1 FIS Type values" defines the constants used to
differentiate between FIS types.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 1415874281-7371-3-git-send-email-stefanha@redhat.com
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2014-11-13 10:24:41 +00:00 committed by Kevin Wolf
parent 192cf55cc0
commit 17fcb74af9
2 changed files with 7 additions and 4 deletions
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6
hw/ide/ahci.c
View File

@ -580,7 +580,7 @@ static void ahci_write_fis_sdb(AHCIState *s, int port, uint32_t finished)
sdb_fis = (SDBFIS *)&ad->res_fis[RES_FIS_SDBFIS];
ide_state = &ad->port.ifs[0];
sdb_fis->type = 0xA1;
sdb_fis->type = SATA_FIS_TYPE_SDB;
/* Interrupt pending & Notification bit */
sdb_fis->flags = (ad->hba->control_regs.irqstatus ? (1 << 6) : 0);
sdb_fis->status = ide_state->status & 0x77;
@ -631,7 +631,7 @@ static void ahci_write_fis_pio(AHCIDevice *ad, uint16_t len)
pio_fis = &ad->res_fis[RES_FIS_PSFIS];
pio_fis[0] = 0x5f;
pio_fis[0] = SATA_FIS_TYPE_PIO_SETUP;
pio_fis[1] = (ad->hba->control_regs.irqstatus ? (1 << 6) : 0);
pio_fis[2] = s->status;
pio_fis[3] = s->error;
@ -690,7 +690,7 @@ static void ahci_write_fis_d2h(AHCIDevice *ad, uint8_t *cmd_fis)
d2h_fis = &ad->res_fis[RES_FIS_RFIS];
d2h_fis[0] = 0x34;
d2h_fis[0] = SATA_FIS_TYPE_REGISTER_D2H;
d2h_fis[1] = (ad->hba->control_regs.irqstatus ? (1 << 6) : 0);
d2h_fis[2] = s->status;
d2h_fis[3] = s->error;

5
hw/ide/ahci.h
View File

@ -156,7 +156,10 @@
#define AHCI_SCR_SCTL_DET 0xf
#define SATA_FIS_TYPE_REGISTER_H2D 0x27
#define SATA_FIS_REG_H2D_UPDATE_COMMAND_REGISTER 0x80
#define SATA_FIS_REG_H2D_UPDATE_COMMAND_REGISTER 0x80
#define SATA_FIS_TYPE_REGISTER_D2H 0x34
#define SATA_FIS_TYPE_PIO_SETUP 0x5f
#define SATA_FIS_TYPE_SDB 0xA1
#define AHCI_CMD_HDR_CMD_FIS_LEN 0x1f
#define AHCI_CMD_HDR_PRDT_LEN 16