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| author | John Snow <jsnow@redhat.com> | 2015-02-05 12:41:26 -0500 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-02-16 15:07:17 +0000 |
| commit | 113221956cb819837dda5350e3f9d52819183805 (patch) | |
| tree | 72285cd6c09554ba9a84e5d43b40db36bc619aa5 /tests/libqos | |
| parent | cbc97569dcce317f7bb32d766d4dfcbeb7fd3013 (diff) | |
| download | qemu-113221956cb819837dda5350e3f9d52819183805.zip qemu-113221956cb819837dda5350e3f9d52819183805.tar.gz qemu-113221956cb819837dda5350e3f9d52819183805.tar.bz2 | |
libqos/ahci: Add ahci_guest_io
ahci_guest_io is a shorthand function that will, in one shot,
execute a data command on the guest to the specified guest buffer
location, in the requested amount.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-16-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'tests/libqos')
| -rw-r--r-- | tests/libqos/ahci.c | 15 | ||||
| -rw-r--r-- | tests/libqos/ahci.h | 2 |
2 files changed, 17 insertions, 0 deletions
diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c index cd1f3ff..345d1f1 100644 --- a/tests/libqos/ahci.c +++ b/tests/libqos/ahci.c @@ -548,6 +548,21 @@ inline unsigned size_to_prdtl(unsigned bytes, unsigned bytes_per_prd) return (bytes + bytes_per_prd - 1) / bytes_per_prd; } +/* Given a guest buffer address, perform an IO operation */ +void ahci_guest_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd, + uint64_t buffer, size_t bufsize) +{ + AHCICommand *cmd; + + cmd = ahci_command_create(ide_cmd); + ahci_command_set_buffer(cmd, buffer); + ahci_command_set_size(cmd, bufsize); + ahci_command_commit(ahci, cmd, port); + ahci_command_issue(ahci, cmd); + ahci_command_verify(ahci, cmd); + ahci_command_free(cmd); +} + struct AHCICommand { /* Test Management Data */ uint8_t name; diff --git a/tests/libqos/ahci.h b/tests/libqos/ahci.h index 57ff344..1206c7a 100644 --- a/tests/libqos/ahci.h +++ b/tests/libqos/ahci.h @@ -521,6 +521,8 @@ 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); unsigned size_to_prdtl(unsigned bytes, unsigned bytes_per_prd); +void ahci_guest_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd, + uint64_t gbuffer, size_t size); /* Command Lifecycle */ AHCICommand *ahci_command_create(uint8_t command_name); |