--- /dev/null
+#ifndef QEMU_HW_ACPI_H
+#define QEMU_HW_ACPI_H
+/*
+ * Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
+ * VA Linux Systems Japan K.K.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#include "qapi/error.h"
+#include "qemu/typedefs.h"
+#include "qemu/notify.h"
+#include "qemu/option.h"
+#include "exec/memory.h"
+#include "hw/irq.h"
+
+/*
+ * current device naming scheme supports up to 256 memory devices
+ */
+#define ACPI_MAX_RAM_SLOTS 256
+
+/* from linux include/acpi/actype.h */
+/* Default ACPI register widths */
+
+#define ACPI_GPE_REGISTER_WIDTH 8
+#define ACPI_PM1_REGISTER_WIDTH 16
+#define ACPI_PM2_REGISTER_WIDTH 8
+#define ACPI_PM_TIMER_WIDTH 32
+
+/* PM Timer ticks per second (HZ) */
+#define PM_TIMER_FREQUENCY 3579545
+
+
+/* ACPI fixed hardware registers */
+
+/* from linux/drivers/acpi/acpica/aclocal.h */
+/* Masks used to access the bit_registers */
+
+/* PM1x_STS */
+#define ACPI_BITMASK_TIMER_STATUS 0x0001
+#define ACPI_BITMASK_BUS_MASTER_STATUS 0x0010
+#define ACPI_BITMASK_GLOBAL_LOCK_STATUS 0x0020
+#define ACPI_BITMASK_POWER_BUTTON_STATUS 0x0100
+#define ACPI_BITMASK_SLEEP_BUTTON_STATUS 0x0200
+#define ACPI_BITMASK_RT_CLOCK_STATUS 0x0400
+#define ACPI_BITMASK_PCIEXP_WAKE_STATUS 0x4000 /* ACPI 3.0 */
+#define ACPI_BITMASK_WAKE_STATUS 0x8000
+
+#define ACPI_BITMASK_ALL_FIXED_STATUS (\
+ ACPI_BITMASK_TIMER_STATUS | \
+ ACPI_BITMASK_BUS_MASTER_STATUS | \
+ ACPI_BITMASK_GLOBAL_LOCK_STATUS | \
+ ACPI_BITMASK_POWER_BUTTON_STATUS | \
+ ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
+ ACPI_BITMASK_RT_CLOCK_STATUS | \
+ ACPI_BITMASK_WAKE_STATUS)
+
+/* PM1x_EN */
+#define ACPI_BITMASK_TIMER_ENABLE 0x0001
+#define ACPI_BITMASK_GLOBAL_LOCK_ENABLE 0x0020
+#define ACPI_BITMASK_POWER_BUTTON_ENABLE 0x0100
+#define ACPI_BITMASK_SLEEP_BUTTON_ENABLE 0x0200
+#define ACPI_BITMASK_RT_CLOCK_ENABLE 0x0400
+#define ACPI_BITMASK_PCIEXP_WAKE_DISABLE 0x4000 /* ACPI 3.0 */
+
+#define ACPI_BITMASK_PM1_COMMON_ENABLED ( \
+ ACPI_BITMASK_RT_CLOCK_ENABLE | \
+ ACPI_BITMASK_POWER_BUTTON_ENABLE | \
+ ACPI_BITMASK_GLOBAL_LOCK_ENABLE | \
+ ACPI_BITMASK_TIMER_ENABLE)
+
+/* PM1x_CNT */
+#define ACPI_BITMASK_SCI_ENABLE 0x0001
+#define ACPI_BITMASK_BUS_MASTER_RLD 0x0002
+#define ACPI_BITMASK_GLOBAL_LOCK_RELEASE 0x0004
+#define ACPI_BITMASK_SLEEP_TYPE 0x1C00
+#define ACPI_BITMASK_SLEEP_ENABLE 0x2000
+
+/* PM2_CNT */
+#define ACPI_BITMASK_ARB_DISABLE 0x0001
+
+/* These values are part of guest ABI, and can not be changed */
+typedef enum {
+ ACPI_PCI_HOTPLUG_STATUS = 2,
+ ACPI_CPU_HOTPLUG_STATUS = 4,
+ ACPI_MEMORY_HOTPLUG_STATUS = 8,
+} AcpiGPEStatusBits;
+
+/* structs */
+typedef struct ACPIPMTimer ACPIPMTimer;
+typedef struct ACPIPM1EVT ACPIPM1EVT;
+typedef struct ACPIPM1CNT ACPIPM1CNT;
+typedef struct ACPIGPE ACPIGPE;
+typedef struct ACPIREGS ACPIREGS;
+
+typedef void (*acpi_update_sci_fn)(ACPIREGS *ar);
+
+struct ACPIPMTimer {
+ QEMUTimer *timer;
+ MemoryRegion io;
+ int64_t overflow_time;
+
+ acpi_update_sci_fn update_sci;
+};
+
+struct ACPIPM1EVT {
+ MemoryRegion io;
+ uint16_t sts;
+ uint16_t en;
+ acpi_update_sci_fn update_sci;
+};
+
+struct ACPIPM1CNT {
+ MemoryRegion io;
+ uint16_t cnt;
+ uint8_t s4_val;
+};
+
+struct ACPIGPE {
+ uint8_t len;
+
+ uint8_t *sts;
+ uint8_t *en;
+};
+
+struct ACPIREGS {
+ ACPIPMTimer tmr;
+ ACPIGPE gpe;
+ struct {
+ ACPIPM1EVT evt;
+ ACPIPM1CNT cnt;
+ } pm1;
+ Notifier wakeup;
+};
+
+/* PM_TMR */
+void acpi_pm_tmr_update(ACPIREGS *ar, bool enable);
+void acpi_pm_tmr_calc_overflow_time(ACPIREGS *ar);
+void acpi_pm_tmr_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
+ MemoryRegion *parent);
+void acpi_pm_tmr_reset(ACPIREGS *ar);
+
+#include "qemu/timer.h"
+static inline int64_t acpi_pm_tmr_get_clock(void)
+{
+ return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), PM_TIMER_FREQUENCY,
+ get_ticks_per_sec());
+}
+
+/* PM1a_EVT: piix and ich9 don't implement PM1b. */
+uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar);
+void acpi_pm1_evt_power_down(ACPIREGS *ar);
+void acpi_pm1_evt_reset(ACPIREGS *ar);
+void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
+ MemoryRegion *parent);
+
+/* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */
+void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent,
+ bool disable_s3, bool disable_s4, uint8_t s4_val);
+void acpi_pm1_cnt_update(ACPIREGS *ar,
+ bool sci_enable, bool sci_disable);
+void acpi_pm1_cnt_reset(ACPIREGS *ar);
+
+/* GPE0 */
+void acpi_gpe_init(ACPIREGS *ar, uint8_t len);
+void acpi_gpe_reset(ACPIREGS *ar);
+
+void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val);
+uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr);
+
+void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq,
+ AcpiGPEStatusBits status);
+
+void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq);
+
+/* acpi.c */
+extern int acpi_enabled;
+extern char unsigned *acpi_tables;
+extern size_t acpi_tables_len;
+
+uint8_t *acpi_table_first(void);
+uint8_t *acpi_table_next(uint8_t *current);
+unsigned acpi_table_len(void *current);
+void acpi_table_add(const QemuOpts *opts, Error **errp);
+void acpi_table_add_builtin(const QemuOpts *opts, Error **errp);
+
+#endif /* !QEMU_HW_ACPI_H */
Code Review / kvmfornfv.git / blobdiff