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qtest/ahci: add ahci_write_fis

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Similar to ahci_set_command_header, add a helper that takes an
in-memory representation of a command FIS and writes it to guest
memory, handling endianness as-needed.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1423158090-25580-11-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
John Snow 2015-02-05 12:41:21 -05:00 • committed by Stefan Hajnoczi
parent 36e367261c
commit 52515766f1
3 changed files with 17 additions and 2 deletions
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3
tests/libqos/ahci.h
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@ -393,7 +393,7 @@ typedef struct RegH2DFIS {
uint8_t icc;
uint8_t control;
/* DW4 */
uint32_t aux;
uint8_t aux[4];
} __attribute__((__packed__)) RegH2DFIS;
/**
@ -515,6 +515,7 @@ void ahci_get_command_header(AHCIQState *ahci, uint8_t port,
void ahci_set_command_header(AHCIQState *ahci, uint8_t port,
uint8_t slot, AHCICommandHeader *cmd);
void ahci_destroy_command(AHCIQState *ahci, uint8_t port, uint8_t slot);
void ahci_write_fis(AHCIQState *ahci, RegH2DFIS *fis, uint64_t addr);
unsigned ahci_pick_cmd(AHCIQState *ahci, uint8_t port);
#endif