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-rw-r--r--include/linux/libata.h57
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...) \