X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Ftarget%2Ftarget_core_rd.h;fp=kernel%2Fdrivers%2Ftarget%2Ftarget_core_rd.h;h=cc46a6a89b38e863a3d7b4c2f13207d251539fd2;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git

diff --git a/kernel/drivers/target/target_core_rd.h b/kernel/drivers/target/target_core_rd.h
new file mode 100644
index 000000000..cc46a6a89
--- /dev/null
+++ b/kernel/drivers/target/target_core_rd.h
@@ -0,0 +1,51 @@
+#ifndef TARGET_CORE_RD_H
+#define TARGET_CORE_RD_H
+
+#define RD_HBA_VERSION		"v4.0"
+#define RD_MCP_VERSION		"4.0"
+
+/* Largest piece of memory kmalloc can allocate */
+#define RD_MAX_ALLOCATION_SIZE	65536
+#define RD_DEVICE_QUEUE_DEPTH	32
+#define RD_MAX_DEVICE_QUEUE_DEPTH 128
+#define RD_BLOCKSIZE		512
+
+/* Used in target_core_init_configfs() for virtual LUN 0 access */
+int __init rd_module_init(void);
+void rd_module_exit(void);
+
+struct rd_dev_sg_table {
+	u32		page_start_offset;
+	u32		page_end_offset;
+	u32		rd_sg_count;
+	struct scatterlist *sg_table;
+} ____cacheline_aligned;
+
+#define RDF_HAS_PAGE_COUNT	0x01
+#define RDF_NULLIO		0x02
+
+struct rd_dev {
+	struct se_device dev;
+	u32		rd_flags;
+	/* Unique Ramdisk Device ID in Ramdisk HBA */
+	u32		rd_dev_id;
+	/* Total page count for ramdisk device */
+	u32		rd_page_count;
+	/* Number of SG tables in sg_table_array */
+	u32		sg_table_count;
+	/* Number of SG tables in sg_prot_array */
+	u32		sg_prot_count;
+	/* Array of rd_dev_sg_table_t containing scatterlists */
+	struct rd_dev_sg_table *sg_table_array;
+	/* Array of rd_dev_sg_table containing protection scatterlists */
+	struct rd_dev_sg_table *sg_prot_array;
+	/* Ramdisk HBA device is connected to */
+	struct rd_host *rd_host;
+} ____cacheline_aligned;
+
+struct rd_host {
+	u32		rd_host_dev_id_count;
+	u32		rd_host_id;		/* Unique Ramdisk Host ID */
+} ____cacheline_aligned;
+
+#endif /* TARGET_CORE_RD_H */