libqos/ahci: ATAPI identify

We need to say "hello!" to our ATAPI friends
in a slightly different manner.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1452282920-21550-4-git-send-email-jsnow@redhat.com

diff --git a/tests/ahci-test.c b/tests/ahci-test.c
index f4945dc70bce1d2039fd448991932f61b5521a58..8ebbd3334933205bc9fbc58fb4347dd6f9cc186c 100644 (file)
--- a/tests/ahci-test.c
+++ b/tests/ahci-test.c
@@ -215,6 +215,7 @@ static AHCIQState *ahci_boot_and_enable(const char *cli, ...)
     va_list ap;
     uint16_t buff[256];
     uint8_t port;
+    uint8_t hello;
 
     if (cli) {
         va_start(ap, cli);
@@ -229,7 +230,12 @@ static AHCIQState *ahci_boot_and_enable(const char *cli, ...)
     /* Initialize test device */
     port = ahci_port_select(ahci);
     ahci_port_clear(ahci, port);
-    ahci_io(ahci, port, CMD_IDENTIFY, &buff, sizeof(buff), 0);
+    if (is_atapi(ahci, port)) {
+        hello = CMD_PACKET_ID;
+    } else {
+        hello = CMD_IDENTIFY;
+    }
+    ahci_io(ahci, port, hello, &buff, sizeof(buff), 0);
 
     return ahci;
 }

diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c
index 4bdde4c1a78ecac1497dabfa3def021a0adf62c7..276a466d837a5fc22efca49a78cb4663ddcd3a3a 100644 (file)
--- a/tests/libqos/ahci.c
+++ b/tests/libqos/ahci.c
@@ -114,6 +114,11 @@ void ahci_free(AHCIQState *ahci, uint64_t addr)
     qfree(ahci->parent, addr);
 }
 
+bool is_atapi(AHCIQState *ahci, uint8_t port)
+{
+    return ahci_px_rreg(ahci, port, AHCI_PX_SIG) == AHCI_SIGNATURE_CDROM;
+}
+
 /**
  * Locate, verify, and return a handle to the AHCI device.
  */

diff --git a/tests/libqos/ahci.h b/tests/libqos/ahci.h
index 9ffd415f484e4e84d1246960982624aee638acdb..705fbd6748b5f7269a5050c609360e84eb135942 100644 (file)
--- a/tests/libqos/ahci.h
+++ b/tests/libqos/ahci.h
@@ -596,5 +596,6 @@ void ahci_command_adjust(AHCICommand *cmd, uint64_t lba_sect, uint64_t gbuffer,
 
 /* Command Misc */
 uint8_t ahci_command_slot(AHCICommand *cmd);
+bool is_atapi(AHCIQState *ahci, uint8_t port);
 
 #endif