1 files changed, 57 insertions, 0 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 639298af583e..eccc38e17568 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1071,6 +1071,63 @@ extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
                       ata_postreset_fn_t postreset);
 
 /*
+ * Base operations to inherit from and initializers for sht
+ *
+ * Operations
+ *
+ * base  : Common to all libata drivers.
+ * sata  : SATA controllers w/ native interface.
+ * pmp   : SATA controllers w/ PMP support.
+ * sff   : SFF ATA controllers w/o BMDMA support.
+ * bmdma : SFF ATA controllers w/ BMDMA support.
+ *
+ * sht initializers
+ *
+ * BASE  : Common to all libata drivers.  The user must set
+ *         sg_tablesize and dma_boundary.
+ * PIO   : SFF ATA controllers w/ only PIO support.
+ * BMDMA : SFF ATA controllers w/ BMDMA support.  sg_tablesize and
+ *         dma_boundary are set to BMDMA limits.
+ * NCQ   : SATA controllers supporting NCQ.  The user must set
+ *         sg_tablesize, dma_boundary and can_queue.
+ */
+extern const struct ata_port_operations ata_base_port_ops;
+extern const struct ata_port_operations sata_port_ops;
+extern const struct ata_port_operations sata_pmp_port_ops;
+extern const struct ata_port_operations ata_sff_port_ops;
+extern const struct ata_port_operations ata_bmdma_port_ops;
+
+#define ATA_BASE_SHT(drv_name)                                  \
+        .module                 = THIS_MODULE,                  \
+        .name                   = drv_name,                     \
+        .ioctl                  = ata_scsi_ioctl,               \
+        .queuecommand           = ata_scsi_queuecmd,            \
+        .can_queue              = ATA_DEF_QUEUE,                \
+        .this_id                = ATA_SHT_THIS_ID,              \
+        .cmd_per_lun            = ATA_SHT_CMD_PER_LUN,          \
+        .emulated               = ATA_SHT_EMULATED,             \
+        .use_clustering         = ATA_SHT_USE_CLUSTERING,       \
+        .proc_name              = drv_name,                     \
+        .slave_configure        = ata_scsi_slave_config,        \
+        .slave_destroy          = ata_scsi_slave_destroy,       \
+        .bios_param             = ata_std_bios_param
+
+/* PIO only, sg_tablesize and dma_boundary limits can be removed */
+#define ATA_PIO_SHT(drv_name)                                   \
+        ATA_BASE_SHT(drv_name),                                 \
+        .sg_tablesize           = LIBATA_MAX_PRD,               \
+        .dma_boundary           = ATA_DMA_BOUNDARY
+
+#define ATA_BMDMA_SHT(drv_name)                                 \
+        ATA_BASE_SHT(drv_name),                                 \
+        .sg_tablesize           = LIBATA_MAX_PRD,               \
+        .dma_boundary           = ATA_DMA_BOUNDARY
+
+#define ATA_NCQ_SHT(drv_name)                                   \
+        ATA_BASE_SHT(drv_name),                                 \
+        .change_queue_depth     = ata_scsi_change_queue_depth
+
+/*
  * printk helpers
  */
 #define ata_port_printk(ap, lv, fmt, args...) \