Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / char / tpm / tpm_ibmvtpm.h

diff --git a/kernel/drivers/char/tpm/tpm_ibmvtpm.h b/kernel/drivers/char/tpm/tpm_ibmvtpm.h
new file mode 100644 (file)
index 0000000..6af9289
--- /dev/null
+++ b/kernel/drivers/char/tpm/tpm_ibmvtpm.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2012 IBM Corporation
+ *
+ * Author: Ashley Lai <ashleydlai@gmail.com>
+ *
+ * Maintained by: <tpmdd-devel@lists.sourceforge.net>
+ *
+ * Device driver for TCG/TCPA TPM (trusted platform module).
+ * Specifications at www.trustedcomputinggroup.org
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, version 2 of the
+ * License.
+ *
+ */
+
+#ifndef __TPM_IBMVTPM_H__
+#define __TPM_IBMVTPM_H__
+
+/* vTPM Message Format 1 */
+struct ibmvtpm_crq {
+       u8 valid;
+       u8 msg;
+       __be16 len;
+       __be32 data;
+       __be64 reserved;
+} __attribute__((packed, aligned(8)));
+
+struct ibmvtpm_crq_queue {
+       struct ibmvtpm_crq *crq_addr;
+       u32 index;
+       u32 num_entry;
+};
+
+struct ibmvtpm_dev {
+       struct device *dev;
+       struct vio_dev *vdev;
+       struct ibmvtpm_crq_queue crq_queue;
+       dma_addr_t crq_dma_handle;
+       u32 rtce_size;
+       void __iomem *rtce_buf;
+       dma_addr_t rtce_dma_handle;
+       spinlock_t rtce_lock;
+       wait_queue_head_t wq;
+       u16 res_len;
+       u32 vtpm_version;
+};
+
+#define CRQ_RES_BUF_SIZE       PAGE_SIZE
+
+/* Initialize CRQ */
+#define INIT_CRQ_CMD           0xC001000000000000LL /* Init cmd */
+#define INIT_CRQ_COMP_CMD      0xC002000000000000LL /* Init complete cmd */
+#define INIT_CRQ_RES           0x01    /* Init respond */
+#define INIT_CRQ_COMP_RES      0x02    /* Init complete respond */
+#define VALID_INIT_CRQ         0xC0    /* Valid command for init crq */
+
+/* vTPM CRQ response is the message type | 0x80 */
+#define VTPM_MSG_RES           0x80
+#define IBMVTPM_VALID_CMD      0x80
+
+/* vTPM CRQ message types */
+#define VTPM_GET_VERSION                       0x01
+#define VTPM_GET_VERSION_RES                   (0x01 | VTPM_MSG_RES)
+
+#define VTPM_TPM_COMMAND                       0x02
+#define VTPM_TPM_COMMAND_RES                   (0x02 | VTPM_MSG_RES)
+
+#define VTPM_GET_RTCE_BUFFER_SIZE              0x03
+#define VTPM_GET_RTCE_BUFFER_SIZE_RES          (0x03 | VTPM_MSG_RES)
+
+#define VTPM_PREPARE_TO_SUSPEND                        0x04
+#define VTPM_PREPARE_TO_SUSPEND_RES            (0x04 | VTPM_MSG_RES)
+
+#endif