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| author | John Snow <jsnow@redhat.com> | 2015-02-05 12:41:21 -0500 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-02-16 15:07:17 +0000 |
| commit | 52515766f1e18b596a6dc31421ca14a63114c9eb (patch) | |
| tree | 651c3dc0fc798901afea7aefa4e652bf9dd98728 /tests/libqos/ahci.c | |
| parent | 36e367261c15f0fa9acfbe9f4301c96e19be7f52 (diff) | |
qtest/ahci: add ahci_write_fis
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>
Diffstat (limited to 'tests/libqos/ahci.c')
| -rw-r--r-- | tests/libqos/ahci.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c index 8ecfdd30d8..1294f8083c 100644 --- a/tests/libqos/ahci.c +++ b/tests/libqos/ahci.c @@ -464,6 +464,20 @@ void ahci_destroy_command(AHCIQState *ahci, uint8_t port, uint8_t slot) ahci->port[port].prdtl[slot] = 0; } +void ahci_write_fis(AHCIQState *ahci, RegH2DFIS *fis, uint64_t addr) +{ + RegH2DFIS tmp = *fis; + + /* The auxiliary FIS fields are defined per-command and are not + * currently implemented in libqos/ahci.o, but may or may not need + * to be flipped. */ + + /* All other FIS fields are 8 bit and do not need to be flipped. */ + tmp.count = cpu_to_le16(tmp.count); + + memwrite(addr, &tmp, sizeof(tmp)); +} + unsigned ahci_pick_cmd(AHCIQState *ahci, uint8_t port) { unsigned i; |