[PATCH v6 5/8] bcm-vk: add bcm_vk UAPI

Scott Branden
2020-06-05T23:01:01Z

Add user space api for bcm-vk driver.

Signed-off-by: Scott Branden <scott.branden@broadcom.com>
---
include/uapi/linux/misc/bcm_vk.h | 99 ++++++++++++++++++++++++++++++++
1 file changed, 99 insertions(+)
create mode 100644 include/uapi/linux/misc/bcm_vk.h

diff --git a/include/uapi/linux/misc/bcm_vk.h b/include/uapi/linux/misc/bcm_vk.h
new file mode 100644
index 000000000000..783087b7c31f
--- /dev/null
+++ b/include/uapi/linux/misc/bcm_vk.h
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
+/*
+ * Copyright 2018-2020 Broadcom.
+ */
+
+#ifndef __UAPI_LINUX_MISC_BCM_VK_H
+#define __UAPI_LINUX_MISC_BCM_VK_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+#define BCM_VK_MAX_FILENAME 64
+
+struct vk_image {
+ __u32 type; /* Type of image */
+#define VK_IMAGE_TYPE_BOOT1 1 /* 1st stage (load to SRAM) */
+#define VK_IMAGE_TYPE_BOOT2 2 /* 2nd stage (load to DDR) */
+ char filename[BCM_VK_MAX_FILENAME]; /* Filename of image */
+};
+
+struct vk_reset {
+ __u32 arg1;
+ __u32 arg2;
+};
+
+#define VK_MAGIC 0x5e
+
+/* Load image to Valkyrie */
+#define VK_IOCTL_LOAD_IMAGE _IOW(VK_MAGIC, 0x2, struct vk_image)
+
+/* Send Reset to Valkyrie */
+#define VK_IOCTL_RESET _IOW(VK_MAGIC, 0x4, struct vk_reset)
+
+/*
+ * message block - basic unit in the message where a message's size is always
+ * N x sizeof(basic_block)
+ */
+struct vk_msg_blk {
+ __u8 function_id;
+#define VK_FID_TRANS_BUF 5
+#define VK_FID_SHUTDOWN 8
+ __u8 size;
+ __u16 trans_id; /* transport id, queue & msg_id */
+ __u32 context_id;
+ __u32 args[2];
+#define VK_CMD_PLANES_MASK 0x000f /* number of planes to up/download */
+#define VK_CMD_UPLOAD 0x0400 /* memory transfer to vk */
+#define VK_CMD_DOWNLOAD 0x0500 /* memory transfer from vk */
+#define VK_CMD_MASK 0x0f00 /* command mask */
+};
+
+#define VK_BAR_FWSTS 0x41c
+#define VK_BAR_COP_FWSTS 0x428
+/* VK_FWSTS definitions */
+#define VK_FWSTS_RELOCATION_ENTRY BIT(0)
+#define VK_FWSTS_RELOCATION_EXIT BIT(1)
+#define VK_FWSTS_INIT_START BIT(2)
+#define VK_FWSTS_ARCH_INIT_DONE BIT(3)
+#define VK_FWSTS_PRE_KNL1_INIT_DONE BIT(4)
+#define VK_FWSTS_PRE_KNL2_INIT_DONE BIT(5)
+#define VK_FWSTS_POST_KNL_INIT_DONE BIT(6)
+#define VK_FWSTS_INIT_DONE BIT(7)
+#define VK_FWSTS_APP_INIT_START BIT(8)
+#define VK_FWSTS_APP_INIT_DONE BIT(9)
+#define VK_FWSTS_MASK 0xffffffff
+#define VK_FWSTS_READY (VK_FWSTS_INIT_START | \
+ VK_FWSTS_ARCH_INIT_DONE | \
+ VK_FWSTS_PRE_KNL1_INIT_DONE | \
+ VK_FWSTS_PRE_KNL2_INIT_DONE | \
+ VK_FWSTS_POST_KNL_INIT_DONE | \
+ VK_FWSTS_INIT_DONE | \
+ VK_FWSTS_APP_INIT_START | \
+ VK_FWSTS_APP_INIT_DONE)
+/* Deinit */
+#define VK_FWSTS_APP_DEINIT_START BIT(23)
+#define VK_FWSTS_APP_DEINIT_DONE BIT(24)
+#define VK_FWSTS_DRV_DEINIT_START BIT(25)
+#define VK_FWSTS_DRV_DEINIT_DONE BIT(26)
+#define VK_FWSTS_RESET_DONE BIT(27)
+#define VK_FWSTS_DEINIT_TRIGGERED (VK_FWSTS_APP_DEINIT_START | \
+ VK_FWSTS_APP_DEINIT_DONE | \
+ VK_FWSTS_DRV_DEINIT_START | \
+ VK_FWSTS_DRV_DEINIT_DONE)
+/* Last nibble for reboot reason */
+#define VK_FWSTS_RESET_REASON_SHIFT 28
+#define VK_FWSTS_RESET_REASON_MASK (0xf << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_SYS_PWRUP (0x0 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_MBOX_DB (0x1 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_M7_WDOG (0x2 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_TEMP (0x3 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_FLR (0x4 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_HOT (0x5 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_WARM (0x6 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_PCI_COLD (0x7 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_L1 (0x8 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_L0 (0x9 << VK_FWSTS_RESET_REASON_SHIFT)
+#define VK_FWSTS_RESET_UNKNOWN (0xf << VK_FWSTS_RESET_REASON_SHIFT)
+
+#endif /* __UAPI_LINUX_MISC_BCM_VK_H */
--
2.17.1