aboutsummaryrefslogtreecommitdiff
path: root/drivers/ata
diff options
context:
space:
mode:
authorTejun Heo <htejun@gmail.com>2008-04-02 17:28:46 +0900
committerJeff Garzik <jeff@garzik.org>2008-04-04 02:43:35 -0400
commit436d34b36202ef724778ded1e9cb10f8c37b32bc (patch)
tree45671994cf049263a25e7f540ae488b97bb7d01f /drivers/ata
parenta4ba7fe2a6c2b61419b290035bff398ab2591c54 (diff)
libata: uninline atapi_cmd_type()
Uninline atapi_cmd_type(). It doesn't really have to be inline and more case will be added which need to access unexported libata variable. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/libata-core.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 2db5c9c9ca1..e9b69ba489d 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -326,6 +326,39 @@ static void ata_force_horkage(struct ata_device *dev)
}
/**
+ * atapi_cmd_type - Determine ATAPI command type from SCSI opcode
+ * @opcode: SCSI opcode
+ *
+ * Determine ATAPI command type from @opcode.
+ *
+ * LOCKING:
+ * None.
+ *
+ * RETURNS:
+ * ATAPI_{READ|WRITE|READ_CD|PASS_THRU|MISC}
+ */
+int atapi_cmd_type(u8 opcode)
+{
+ switch (opcode) {
+ case GPCMD_READ_10:
+ case GPCMD_READ_12:
+ return ATAPI_READ;
+
+ case GPCMD_WRITE_10:
+ case GPCMD_WRITE_12:
+ case GPCMD_WRITE_AND_VERIFY_10:
+ return ATAPI_WRITE;
+
+ case GPCMD_READ_CD:
+ case GPCMD_READ_CD_MSF:
+ return ATAPI_READ_CD;
+
+ default:
+ return ATAPI_MISC;
+ }
+}
+
+/**
* ata_tf_to_fis - Convert ATA taskfile to SATA FIS structure
* @tf: Taskfile to convert
* @pmp: Port multiplier port
@@ -7774,6 +7807,7 @@ EXPORT_SYMBOL_GPL(ata_tf_read);
EXPORT_SYMBOL_GPL(ata_noop_dev_select);
EXPORT_SYMBOL_GPL(ata_std_dev_select);
EXPORT_SYMBOL_GPL(sata_print_link_status);
+EXPORT_SYMBOL_GPL(atapi_cmd_type);
EXPORT_SYMBOL_GPL(ata_tf_to_fis);
EXPORT_SYMBOL_GPL(ata_tf_from_fis);
EXPORT_SYMBOL_GPL(ata_pack_xfermask);