Update to v5.12 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.12

Test: Boots flame device and runs bionic unit tests.
Test: Boots acloud device and runs bionic unit tests.

Change-Id: I8ac107ce9d4978be3ef9517b90ad6ecafd06785a
diff --git a/libc/kernel/uapi/linux/acrn.h b/libc/kernel/uapi/linux/acrn.h
new file mode 100644
index 0000000..74b719a
--- /dev/null
+++ b/libc/kernel/uapi/linux/acrn.h
@@ -0,0 +1,263 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _UAPI_ACRN_H
+#define _UAPI_ACRN_H
+#include <linux/types.h>
+#include <linux/uuid.h>
+#define ACRN_IO_REQUEST_MAX 16
+#define ACRN_IOREQ_STATE_PENDING 0
+#define ACRN_IOREQ_STATE_COMPLETE 1
+#define ACRN_IOREQ_STATE_PROCESSING 2
+#define ACRN_IOREQ_STATE_FREE 3
+#define ACRN_IOREQ_TYPE_PORTIO 0
+#define ACRN_IOREQ_TYPE_MMIO 1
+#define ACRN_IOREQ_TYPE_PCICFG 2
+#define ACRN_IOREQ_DIR_READ 0
+#define ACRN_IOREQ_DIR_WRITE 1
+struct acrn_mmio_request {
+  __u32 direction;
+  __u32 reserved;
+  __u64 address;
+  __u64 size;
+  __u64 value;
+};
+struct acrn_pio_request {
+  __u32 direction;
+  __u32 reserved;
+  __u64 address;
+  __u64 size;
+  __u32 value;
+};
+struct acrn_pci_request {
+  __u32 direction;
+  __u32 reserved[3];
+  __u64 size;
+  __u32 value;
+  __u32 bus;
+  __u32 dev;
+  __u32 func;
+  __u32 reg;
+};
+struct acrn_io_request {
+  __u32 type;
+  __u32 completion_polling;
+  __u32 reserved0[14];
+  union {
+    struct acrn_pio_request pio_request;
+    struct acrn_pci_request pci_request;
+    struct acrn_mmio_request mmio_request;
+    __u64 data[8];
+  } reqs;
+  __u32 reserved1;
+  __u32 kernel_handled;
+  __u32 processed;
+} __attribute__((aligned(256)));
+struct acrn_io_request_buffer {
+  union {
+    struct acrn_io_request req_slot[ACRN_IO_REQUEST_MAX];
+    __u8 reserved[4096];
+  };
+};
+struct acrn_ioreq_notify {
+  __u16 vmid;
+  __u16 reserved;
+  __u32 vcpu;
+};
+struct acrn_vm_creation {
+  __u16 vmid;
+  __u16 reserved0;
+  __u16 vcpu_num;
+  __u16 reserved1;
+  guid_t uuid;
+  __u64 vm_flag;
+  __u64 ioreq_buf;
+  __u64 cpu_affinity;
+};
+struct acrn_gp_regs {
+  __le64 rax;
+  __le64 rcx;
+  __le64 rdx;
+  __le64 rbx;
+  __le64 rsp;
+  __le64 rbp;
+  __le64 rsi;
+  __le64 rdi;
+  __le64 r8;
+  __le64 r9;
+  __le64 r10;
+  __le64 r11;
+  __le64 r12;
+  __le64 r13;
+  __le64 r14;
+  __le64 r15;
+};
+struct acrn_descriptor_ptr {
+  __le16 limit;
+  __le64 base;
+  __le16 reserved[3];
+} __attribute__((__packed__));
+struct acrn_regs {
+  struct acrn_gp_regs gprs;
+  struct acrn_descriptor_ptr gdt;
+  struct acrn_descriptor_ptr idt;
+  __le64 rip;
+  __le64 cs_base;
+  __le64 cr0;
+  __le64 cr4;
+  __le64 cr3;
+  __le64 ia32_efer;
+  __le64 rflags;
+  __le64 reserved_64[4];
+  __le32 cs_ar;
+  __le32 cs_limit;
+  __le32 reserved_32[3];
+  __le16 cs_sel;
+  __le16 ss_sel;
+  __le16 ds_sel;
+  __le16 es_sel;
+  __le16 fs_sel;
+  __le16 gs_sel;
+  __le16 ldt_sel;
+  __le16 tr_sel;
+};
+struct acrn_vcpu_regs {
+  __u16 vcpu_id;
+  __u16 reserved[3];
+  struct acrn_regs vcpu_regs;
+};
+#define ACRN_MEM_ACCESS_RIGHT_MASK 0x00000007U
+#define ACRN_MEM_ACCESS_READ 0x00000001U
+#define ACRN_MEM_ACCESS_WRITE 0x00000002U
+#define ACRN_MEM_ACCESS_EXEC 0x00000004U
+#define ACRN_MEM_ACCESS_RWX (ACRN_MEM_ACCESS_READ | ACRN_MEM_ACCESS_WRITE | ACRN_MEM_ACCESS_EXEC)
+#define ACRN_MEM_TYPE_MASK 0x000007C0U
+#define ACRN_MEM_TYPE_WB 0x00000040U
+#define ACRN_MEM_TYPE_WT 0x00000080U
+#define ACRN_MEM_TYPE_UC 0x00000100U
+#define ACRN_MEM_TYPE_WC 0x00000200U
+#define ACRN_MEM_TYPE_WP 0x00000400U
+#define ACRN_MEMMAP_RAM 0
+#define ACRN_MEMMAP_MMIO 1
+struct acrn_vm_memmap {
+  __u32 type;
+  __u32 attr;
+  __u64 user_vm_pa;
+  union {
+    __u64 service_vm_pa;
+    __u64 vma_base;
+  };
+  __u64 len;
+};
+#define ACRN_PTDEV_IRQ_INTX 0
+#define ACRN_PTDEV_IRQ_MSI 1
+#define ACRN_PTDEV_IRQ_MSIX 2
+struct acrn_ptdev_irq {
+  __u32 type;
+  __u16 virt_bdf;
+  __u16 phys_bdf;
+  struct {
+    __u32 virt_pin;
+    __u32 phys_pin;
+    __u32 is_pic_pin;
+  } intx;
+};
+#define ACRN_PTDEV_QUIRK_ASSIGN (1U << 0)
+#define ACRN_PCI_NUM_BARS 6
+struct acrn_pcidev {
+  __u32 type;
+  __u16 virt_bdf;
+  __u16 phys_bdf;
+  __u8 intr_line;
+  __u8 intr_pin;
+  __u32 bar[ACRN_PCI_NUM_BARS];
+};
+struct acrn_msi_entry {
+  __u64 msi_addr;
+  __u64 msi_data;
+};
+struct acrn_acpi_generic_address {
+  __u8 space_id;
+  __u8 bit_width;
+  __u8 bit_offset;
+  __u8 access_size;
+  __u64 address;
+} __attribute__((__packed__));
+struct acrn_cstate_data {
+  struct acrn_acpi_generic_address cx_reg;
+  __u8 type;
+  __u32 latency;
+  __u64 power;
+};
+struct acrn_pstate_data {
+  __u64 core_frequency;
+  __u64 power;
+  __u64 transition_latency;
+  __u64 bus_master_latency;
+  __u64 control;
+  __u64 status;
+};
+#define PMCMD_TYPE_MASK 0x000000ff
+enum acrn_pm_cmd_type {
+  ACRN_PMCMD_GET_PX_CNT,
+  ACRN_PMCMD_GET_PX_DATA,
+  ACRN_PMCMD_GET_CX_CNT,
+  ACRN_PMCMD_GET_CX_DATA,
+};
+#define ACRN_IOEVENTFD_FLAG_PIO 0x01
+#define ACRN_IOEVENTFD_FLAG_DATAMATCH 0x02
+#define ACRN_IOEVENTFD_FLAG_DEASSIGN 0x04
+struct acrn_ioeventfd {
+  __u32 fd;
+  __u32 flags;
+  __u64 addr;
+  __u32 len;
+  __u32 reserved;
+  __u64 data;
+};
+#define ACRN_IRQFD_FLAG_DEASSIGN 0x01
+struct acrn_irqfd {
+  __s32 fd;
+  __u32 flags;
+  struct acrn_msi_entry msi;
+};
+#define ACRN_IOCTL_TYPE 0xA2
+#define ACRN_IOCTL_CREATE_VM _IOWR(ACRN_IOCTL_TYPE, 0x10, struct acrn_vm_creation)
+#define ACRN_IOCTL_DESTROY_VM _IO(ACRN_IOCTL_TYPE, 0x11)
+#define ACRN_IOCTL_START_VM _IO(ACRN_IOCTL_TYPE, 0x12)
+#define ACRN_IOCTL_PAUSE_VM _IO(ACRN_IOCTL_TYPE, 0x13)
+#define ACRN_IOCTL_RESET_VM _IO(ACRN_IOCTL_TYPE, 0x15)
+#define ACRN_IOCTL_SET_VCPU_REGS _IOW(ACRN_IOCTL_TYPE, 0x16, struct acrn_vcpu_regs)
+#define ACRN_IOCTL_INJECT_MSI _IOW(ACRN_IOCTL_TYPE, 0x23, struct acrn_msi_entry)
+#define ACRN_IOCTL_VM_INTR_MONITOR _IOW(ACRN_IOCTL_TYPE, 0x24, unsigned long)
+#define ACRN_IOCTL_SET_IRQLINE _IOW(ACRN_IOCTL_TYPE, 0x25, __u64)
+#define ACRN_IOCTL_NOTIFY_REQUEST_FINISH _IOW(ACRN_IOCTL_TYPE, 0x31, struct acrn_ioreq_notify)
+#define ACRN_IOCTL_CREATE_IOREQ_CLIENT _IO(ACRN_IOCTL_TYPE, 0x32)
+#define ACRN_IOCTL_ATTACH_IOREQ_CLIENT _IO(ACRN_IOCTL_TYPE, 0x33)
+#define ACRN_IOCTL_DESTROY_IOREQ_CLIENT _IO(ACRN_IOCTL_TYPE, 0x34)
+#define ACRN_IOCTL_CLEAR_VM_IOREQ _IO(ACRN_IOCTL_TYPE, 0x35)
+#define ACRN_IOCTL_SET_MEMSEG _IOW(ACRN_IOCTL_TYPE, 0x41, struct acrn_vm_memmap)
+#define ACRN_IOCTL_UNSET_MEMSEG _IOW(ACRN_IOCTL_TYPE, 0x42, struct acrn_vm_memmap)
+#define ACRN_IOCTL_SET_PTDEV_INTR _IOW(ACRN_IOCTL_TYPE, 0x53, struct acrn_ptdev_irq)
+#define ACRN_IOCTL_RESET_PTDEV_INTR _IOW(ACRN_IOCTL_TYPE, 0x54, struct acrn_ptdev_irq)
+#define ACRN_IOCTL_ASSIGN_PCIDEV _IOW(ACRN_IOCTL_TYPE, 0x55, struct acrn_pcidev)
+#define ACRN_IOCTL_DEASSIGN_PCIDEV _IOW(ACRN_IOCTL_TYPE, 0x56, struct acrn_pcidev)
+#define ACRN_IOCTL_PM_GET_CPU_STATE _IOWR(ACRN_IOCTL_TYPE, 0x60, __u64)
+#define ACRN_IOCTL_IOEVENTFD _IOW(ACRN_IOCTL_TYPE, 0x70, struct acrn_ioeventfd)
+#define ACRN_IOCTL_IRQFD _IOW(ACRN_IOCTL_TYPE, 0x71, struct acrn_irqfd)
+#endif