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ahci: replace SATA FIS type magic numbers with constants

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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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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