Displaying 1 result from an estimated 1 matches for "srp_ring_pages".
2006 Aug 02
2
[PATCH 1/6] scsifront/back drivers'' common Makefile and header
...(struct srp_rsp)];
+};
+
+DEFINE_RING_TYPES(scsi, struct scsi_request, struct scsi_response);
+
+#define SRP_MAX_INDIRECT ((SRP_MAX_IU_LEN - \
+ sizeof (struct srp_cmd) - \
+ sizeof (struct srp_indirect_buf)) / 16)
+
+#define SRP_MAPPED_PAGES (SRP_CAN_QUEUE * SRP_MAX_INDIRECT)
+#define SRP_RING_PAGES (((sizeof(struct scsi_iovec) * SRP_CAN_QUEUE) \
+ + PAGE_SIZE - 1) >> PAGE_SHIFT)
+
+struct scsi_iovec {
+ u32 iovcnt;
+ struct iovec iov[SRP_MAX_INDIRECT];
+} __attribute__((packed));
+
+/*
+ * srp_cmd : 48 bytes
+ * srp_direct_buf : 16 bytes
+ * srp_indirect_buf : 20 bytes
+ * SRP_MAX_IN...