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authorJohn Snow <jsnow@redhat.com>2015-02-05 12:41:26 -0500
committerStefan Hajnoczi <stefanha@redhat.com>2015-02-16 15:07:17 +0000
commit113221956cb819837dda5350e3f9d52819183805 (patch)
tree72285cd6c09554ba9a84e5d43b40db36bc619aa5 /tests
parentcbc97569dcce317f7bb32d766d4dfcbeb7fd3013 (diff)
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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')
-rw-r--r--tests/libqos/ahci.c15
-rw-r--r--tests/libqos/ahci.h2
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);