cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / qemu_fw_cfg.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/qemu_fw_cfg.h b/i686-linux-gnu-4.7/usr/include/linux/qemu_fw_cfg.h
new file mode 100644 (file)
index 0000000..e089c01
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/qemu_fw_cfg.h
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+#ifndef _LINUX_FW_CFG_H
+#define _LINUX_FW_CFG_H
+
+#include <linux/types.h>
+
+#define FW_CFG_ACPI_DEVICE_ID  "QEMU0002"
+
+/* selector key values for "well-known" fw_cfg entries */
+#define FW_CFG_SIGNATURE       0x00
+#define FW_CFG_ID              0x01
+#define FW_CFG_UUID            0x02
+#define FW_CFG_RAM_SIZE                0x03
+#define FW_CFG_NOGRAPHIC       0x04
+#define FW_CFG_NB_CPUS         0x05
+#define FW_CFG_MACHINE_ID      0x06
+#define FW_CFG_KERNEL_ADDR     0x07
+#define FW_CFG_KERNEL_SIZE     0x08
+#define FW_CFG_KERNEL_CMDLINE  0x09
+#define FW_CFG_INITRD_ADDR     0x0a
+#define FW_CFG_INITRD_SIZE     0x0b
+#define FW_CFG_BOOT_DEVICE     0x0c
+#define FW_CFG_NUMA            0x0d
+#define FW_CFG_BOOT_MENU       0x0e
+#define FW_CFG_MAX_CPUS                0x0f
+#define FW_CFG_KERNEL_ENTRY    0x10
+#define FW_CFG_KERNEL_DATA     0x11
+#define FW_CFG_INITRD_DATA     0x12
+#define FW_CFG_CMDLINE_ADDR    0x13
+#define FW_CFG_CMDLINE_SIZE    0x14
+#define FW_CFG_CMDLINE_DATA    0x15
+#define FW_CFG_SETUP_ADDR      0x16
+#define FW_CFG_SETUP_SIZE      0x17
+#define FW_CFG_SETUP_DATA      0x18
+#define FW_CFG_FILE_DIR                0x19
+
+#define FW_CFG_FILE_FIRST      0x20
+#define FW_CFG_FILE_SLOTS_MIN  0x10
+
+#define FW_CFG_WRITE_CHANNEL   0x4000
+#define FW_CFG_ARCH_LOCAL      0x8000
+#define FW_CFG_ENTRY_MASK      (~(FW_CFG_WRITE_CHANNEL | FW_CFG_ARCH_LOCAL))
+
+#define FW_CFG_INVALID         0xffff
+
+/* width in bytes of fw_cfg control register */
+#define FW_CFG_CTL_SIZE                0x02
+
+/* fw_cfg "file name" is up to 56 characters (including terminating nul) */
+#define FW_CFG_MAX_FILE_PATH   56
+
+/* size in bytes of fw_cfg signature */
+#define FW_CFG_SIG_SIZE 4
+
+/* FW_CFG_ID bits */
+#define FW_CFG_VERSION         0x01
+#define FW_CFG_VERSION_DMA     0x02
+
+/* fw_cfg file directory entry type */
+struct fw_cfg_file {
+       __be32 size;
+       __be16 select;
+       __u16 reserved;
+       char name[FW_CFG_MAX_FILE_PATH];
+};
+
+/* FW_CFG_DMA_CONTROL bits */
+#define FW_CFG_DMA_CTL_ERROR   0x01
+#define FW_CFG_DMA_CTL_READ    0x02
+#define FW_CFG_DMA_CTL_SKIP    0x04
+#define FW_CFG_DMA_CTL_SELECT  0x08
+#define FW_CFG_DMA_CTL_WRITE   0x10
+
+#define FW_CFG_DMA_SIGNATURE    0x51454d5520434647ULL /* "QEMU CFG" */
+
+/* Control as first field allows for different structures selected by this
+ * field, which might be useful in the future
+ */
+struct fw_cfg_dma_access {
+       __be32 control;
+       __be32 length;
+       __be64 address;
+};
+
+#define FW_CFG_VMCOREINFO_FILENAME "etc/vmcoreinfo"
+
+#define FW_CFG_VMCOREINFO_FORMAT_NONE 0x0
+#define FW_CFG_VMCOREINFO_FORMAT_ELF 0x1
+
+struct fw_cfg_vmcoreinfo {
+       __le16 host_format;
+       __le16 guest_format;
+       __le32 size;
+       __le64 paddr;
+};
+
+#endif