[Qemu-devel] [PATCH v2 14/19] libqos/ahci: add ahci command size setters

[John Snow <jsnow@redhat.com>]

Adds setters for size, prd_size and both via set_sizes.

Signed-off-by: John Snow <jsnow@redhat.com>
---
 tests/libqos/ahci.c | 22 ++++++++++++++++++++++
 tests/libqos/ahci.h |  5 +++++
 2 files changed, 27 insertions(+)

diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c
index d1e511a..60849ea 100644
--- a/tests/libqos/ahci.c
+++ b/tests/libqos/ahci.c
@@ -656,6 +656,28 @@ void ahci_command_set_buffer(AHCICommand *cmd, uint64_t buffer)
     cmd->buffer = buffer;
 }
 
+void ahci_command_set_sizes(AHCICommand *cmd, uint64_t xbytes,
+                            unsigned prd_size)
+{
+    /* Each PRD can describe up to 4MiB, and must not be odd. */
+    g_assert_cmphex(prd_size, <=, 4096 * 1024);
+    g_assert_cmphex(prd_size & 0x01, ==, 0x00);
+    cmd->prd_size = prd_size;
+    cmd->xbytes = xbytes;
+    cmd->fis.count = (cmd->xbytes / AHCI_SECTOR_SIZE);
+    cmd->header.prdtl = size_to_prdtl(cmd->xbytes, cmd->prd_size);
+}
+
+void ahci_command_set_size(AHCICommand *cmd, uint64_t xbytes)
+{
+    ahci_command_set_sizes(cmd, xbytes, cmd->prd_size);
+}
+
+void ahci_command_set_prd_size(AHCICommand *cmd, unsigned prd_size)
+{
+    ahci_command_set_sizes(cmd, cmd->xbytes, prd_size);
+}
+
 void ahci_command_commit(AHCIQState *ahci, AHCICommand *cmd, uint8_t px)
 {
     uint16_t i, prdtl;
diff --git a/tests/libqos/ahci.h b/tests/libqos/ahci.h
index 500319a..1f09ef1 100644
--- a/tests/libqos/ahci.h
+++ b/tests/libqos/ahci.h
@@ -532,6 +532,11 @@ void ahci_command_verify(AHCIQState *ahci, AHCICommand *cmd);
 void ahci_command_free(AHCICommand *cmd);
 /* Command adjustments */
 void ahci_command_set_buffer(AHCICommand *cmd, uint64_t buffer);
+void ahci_command_set_size(AHCICommand *cmd, uint64_t xbytes);
+void ahci_command_set_prd_size(AHCICommand *cmd, unsigned prd_size);
+void ahci_command_set_sizes(AHCICommand *cmd, uint64_t xbytes,
+                            unsigned prd_size);
 
 uint8_t ahci_command_slot(AHCICommand *cmd);
+
 #endif
-- 
1.9.3