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/* Copyright (C) 2010 - 2015 UNISYS CORPORATION
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program 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, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*/
#ifndef __IOMONINTF_H__
#define __IOMONINTF_H__
/*
* This file contains all structures needed to support the VMCALLs for IO
* Virtualization. The VMCALLs are provided by Monitor and used by IO code
* running on IO Partitions.
*/
static inline unsigned long
__unisys_vmcall_gnuc(unsigned long tuple, unsigned long reg_ebx,
unsigned long reg_ecx)
{
unsigned long result = 0;
unsigned int cpuid_eax, cpuid_ebx, cpuid_ecx, cpuid_edx;
cpuid(0x00000001, &cpuid_eax, &cpuid_ebx, &cpuid_ecx, &cpuid_edx);
if (!(cpuid_ecx & 0x80000000))
return -EPERM;
__asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
"a"(tuple), "b"(reg_ebx), "c"(reg_ecx));
return result;
}
static inline unsigned long
__unisys_extended_vmcall_gnuc(unsigned long long tuple,
unsigned long long reg_ebx,
unsigned long long reg_ecx,
unsigned long long reg_edx)
{
unsigned long result = 0;
unsigned int cpuid_eax, cpuid_ebx, cpuid_ecx, cpuid_edx;
cpuid(0x00000001, &cpuid_eax, &cpuid_ebx, &cpuid_ecx, &cpuid_edx);
if (!(cpuid_ecx & 0x80000000))
return -EPERM;
__asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) :
"a"(tuple), "b"(reg_ebx), "c"(reg_ecx), "d"(reg_edx));
return result;
}
#ifdef VMCALL_IO_CONTROLVM_ADDR
#undef VMCALL_IO_CONTROLVM_ADDR
#endif /* */
/* define subsystem number for AppOS, used in uislib driver */
#define MDS_APPOS 0x4000000000000000L /* subsystem = 62 - AppOS */
enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples */
/* Note: when a new VMCALL is added:
* - the 1st 2 hex digits correspond to one of the
* VMCALL_MONITOR_INTERFACE types and
* - the next 2 hex digits are the nth relative instance of within a
* type
* E.G. for VMCALL_VIRTPART_RECYCLE_PART,
* - the 0x02 identifies it as a VMCALL_VIRTPART type and
* - the 0x01 identifies it as the 1st instance of a VMCALL_VIRTPART
* type of VMCALL
*/
/* used by all Guests, not just IO */
VMCALL_IO_CONTROLVM_ADDR = 0x0501,
/* Allow caller to query virtual time offset */
VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET = 0x0708,
/* LOGEVENT Post Code (RDX) with specified subsystem mask */
/* (RCX - monitor_subsystems.h) and severity (RDX) */
VMCALL_POST_CODE_LOGEVENT = 0x070B,
/* Allow ULTRA_SERVICE_CAPABILITY_TIME capable guest to make VMCALL */
VMCALL_UPDATE_PHYSICAL_TIME = 0x0a02
};
#define VMCALL_SUCCESS 0
#define VMCALL_SUCCESSFUL(result) (result == 0)
#define unisys_vmcall(tuple, reg_ebx, reg_ecx) \
__unisys_vmcall_gnuc(tuple, reg_ebx, reg_ecx)
#define unisys_extended_vmcall(tuple, reg_ebx, reg_ecx, reg_edx) \
__unisys_extended_vmcall_gnuc(tuple, reg_ebx, reg_ecx, reg_edx)
#define ISSUE_IO_VMCALL(method, param, result) \
(result = unisys_vmcall(method, (param) & 0xFFFFFFFF, \
(param) >> 32))
#define ISSUE_IO_EXTENDED_VMCALL(method, param1, param2, param3) \
unisys_extended_vmcall(method, param1, param2, param3)
/* The following uses VMCALL_POST_CODE_LOGEVENT interface but is currently
* not used much
*/
#define ISSUE_IO_VMCALL_POSTCODE_SEVERITY(postcode, severity) \
ISSUE_IO_EXTENDED_VMCALL(VMCALL_POST_CODE_LOGEVENT, severity, \
MDS_APPOS, postcode)
/* Structures for IO VMCALLs */
/* Parameters to VMCALL_IO_CONTROLVM_ADDR interface */
struct vmcall_io_controlvm_addr_params {
/* The Guest-relative physical address of the ControlVm channel. */
/* This VMCall fills this in with the appropriate address. */
u64 address; /* contents provided by this VMCALL (OUT) */
/* the size of the ControlVm channel in bytes This VMCall fills this */
/* in with the appropriate address. */
u32 channel_bytes; /* contents provided by this VMCALL (OUT) */
u8 unused[4]; /* Unused Bytes in the 64-Bit Aligned Struct */
} __packed;
/******* INFO ON ISSUE_POSTCODE_LINUX() BELOW *******/
enum driver_pc { /* POSTCODE driver identifier tuples */
/* visorchipset driver files */
VISOR_CHIPSET_PC = 0xA0,
VISOR_CHIPSET_PC_controlvm_c = 0xA1,
VISOR_CHIPSET_PC_controlvm_cm2 = 0xA2,
VISOR_CHIPSET_PC_controlvm_direct_c = 0xA3,
VISOR_CHIPSET_PC_file_c = 0xA4,
VISOR_CHIPSET_PC_parser_c = 0xA5,
VISOR_CHIPSET_PC_testing_c = 0xA6,
VISOR_CHIPSET_PC_visorchipset_main_c = 0xA7,
VISOR_CHIPSET_PC_visorswitchbus_c = 0xA8,
/* visorbus driver files */
VISOR_BUS_PC = 0xB0,
VISOR_BUS_PC_businst_attr_c = 0xB1,
VISOR_BUS_PC_channel_attr_c = 0xB2,
VISOR_BUS_PC_devmajorminor_attr_c = 0xB3,
VISOR_BUS_PC_visorbus_main_c = 0xB4,
/* visorclientbus driver files */
VISOR_CLIENT_BUS_PC = 0xC0,
VISOR_CLIENT_BUS_PC_visorclientbus_main_c = 0xC1,
/* virt hba driver files */
VIRT_HBA_PC = 0xC2,
VIRT_HBA_PC_virthba_c = 0xC3,
/* virtpci driver files */
VIRT_PCI_PC = 0xC4,
VIRT_PCI_PC_virtpci_c = 0xC5,
/* virtnic driver files */
VIRT_NIC_PC = 0xC6,
VIRT_NIC_P_virtnic_c = 0xC7,
/* uislib driver files */
UISLIB_PC = 0xD0,
UISLIB_PC_uislib_c = 0xD1,
UISLIB_PC_uisqueue_c = 0xD2,
/* 0xD3 RESERVED */
UISLIB_PC_uisutils_c = 0xD4,
};
enum event_pc { /* POSTCODE event identifier tuples */
ATTACH_PORT_ENTRY_PC = 0x001,
ATTACH_PORT_FAILURE_PC = 0x002,
ATTACH_PORT_SUCCESS_PC = 0x003,
BUS_FAILURE_PC = 0x004,
BUS_CREATE_ENTRY_PC = 0x005,
BUS_CREATE_FAILURE_PC = 0x006,
BUS_CREATE_EXIT_PC = 0x007,
BUS_CONFIGURE_ENTRY_PC = 0x008,
BUS_CONFIGURE_FAILURE_PC = 0x009,
BUS_CONFIGURE_EXIT_PC = 0x00A,
CHIPSET_INIT_ENTRY_PC = 0x00B,
CHIPSET_INIT_SUCCESS_PC = 0x00C,
CHIPSET_INIT_FAILURE_PC = 0x00D,
CHIPSET_INIT_EXIT_PC = 0x00E,
CREATE_WORKQUEUE_PC = 0x00F,
CREATE_WORKQUEUE_FAILED_PC = 0x0A0,
CONTROLVM_INIT_FAILURE_PC = 0x0A1,
DEVICE_CREATE_ENTRY_PC = 0x0A2,
DEVICE_CREATE_FAILURE_PC = 0x0A3,
DEVICE_CREATE_SUCCESS_PC = 0x0A4,
DEVICE_CREATE_EXIT_PC = 0x0A5,
DEVICE_ADD_PC = 0x0A6,
DEVICE_REGISTER_FAILURE_PC = 0x0A7,
DEVICE_CHANGESTATE_ENTRY_PC = 0x0A8,
DEVICE_CHANGESTATE_FAILURE_PC = 0x0A9,
DEVICE_CHANGESTATE_EXIT_PC = 0x0AA,
DRIVER_ENTRY_PC = 0x0AB,
DRIVER_EXIT_PC = 0x0AC,
MALLOC_FAILURE_PC = 0x0AD,
QUEUE_DELAYED_WORK_PC = 0x0AE,
/* 0x0B7 RESERVED */
VBUS_CHANNEL_ENTRY_PC = 0x0B8,
VBUS_CHANNEL_FAILURE_PC = 0x0B9,
VBUS_CHANNEL_EXIT_PC = 0x0BA,
VHBA_CREATE_ENTRY_PC = 0x0BB,
VHBA_CREATE_FAILURE_PC = 0x0BC,
VHBA_CREATE_EXIT_PC = 0x0BD,
VHBA_CREATE_SUCCESS_PC = 0x0BE,
VHBA_COMMAND_HANDLER_PC = 0x0BF,
VHBA_PROBE_ENTRY_PC = 0x0C0,
VHBA_PROBE_FAILURE_PC = 0x0C1,
VHBA_PROBE_EXIT_PC = 0x0C2,
VNIC_CREATE_ENTRY_PC = 0x0C3,
VNIC_CREATE_FAILURE_PC = 0x0C4,
VNIC_CREATE_SUCCESS_PC = 0x0C5,
VNIC_PROBE_ENTRY_PC = 0x0C6,
VNIC_PROBE_FAILURE_PC = 0x0C7,
VNIC_PROBE_EXIT_PC = 0x0C8,
VPCI_CREATE_ENTRY_PC = 0x0C9,
VPCI_CREATE_FAILURE_PC = 0x0CA,
VPCI_CREATE_EXIT_PC = 0x0CB,
VPCI_PROBE_ENTRY_PC = 0x0CC,
VPCI_PROBE_FAILURE_PC = 0x0CD,
VPCI_PROBE_EXIT_PC = 0x0CE,
CRASH_DEV_ENTRY_PC = 0x0CF,
CRASH_DEV_EXIT_PC = 0x0D0,
CRASH_DEV_HADDR_NULL = 0x0D1,
CRASH_DEV_CONTROLVM_NULL = 0x0D2,
CRASH_DEV_RD_BUS_FAIULRE_PC = 0x0D3,
CRASH_DEV_RD_DEV_FAIULRE_PC = 0x0D4,
CRASH_DEV_BUS_NULL_FAILURE_PC = 0x0D5,
CRASH_DEV_DEV_NULL_FAILURE_PC = 0x0D6,
CRASH_DEV_CTRL_RD_FAILURE_PC = 0x0D7,
CRASH_DEV_COUNT_FAILURE_PC = 0x0D8,
SAVE_MSG_BUS_FAILURE_PC = 0x0D9,
SAVE_MSG_DEV_FAILURE_PC = 0x0DA,
CALLHOME_INIT_FAILURE_PC = 0x0DB
};
#define POSTCODE_SEVERITY_ERR DIAG_SEVERITY_ERR
#define POSTCODE_SEVERITY_WARNING DIAG_SEVERITY_WARNING
/* TODO-> Info currently doesn't show, so we set info=warning */
#define POSTCODE_SEVERITY_INFO DIAG_SEVERITY_PRINT
/* example call of POSTCODE_LINUX_2(VISOR_CHIPSET_PC, POSTCODE_SEVERITY_ERR);
* Please also note that the resulting postcode is in hex, so if you are
* searching for the __LINE__ number, convert it first to decimal. The line
* number combined with driver and type of call, will allow you to track down
* exactly what line an error occurred on, or where the last driver
* entered/exited from.
*/
/* BASE FUNCTIONS */
#define POSTCODE_LINUX_A(DRIVER_PC, EVENT_PC, pc32bit, severity) \
do { \
unsigned long long post_code_temp; \
post_code_temp = (((u64)DRIVER_PC) << 56) | (((u64)EVENT_PC) << 44) | \
((((u64)__LINE__) & 0xFFF) << 32) | \
(((u64)pc32bit) & 0xFFFFFFFF); \
ISSUE_IO_VMCALL_POSTCODE_SEVERITY(post_code_temp, severity); \
} while (0)
#define POSTCODE_LINUX_B(DRIVER_PC, EVENT_PC, pc16bit1, pc16bit2, severity) \
do { \
unsigned long long post_code_temp; \
post_code_temp = (((u64)DRIVER_PC) << 56) | (((u64)EVENT_PC) << 44) | \
((((u64)__LINE__) & 0xFFF) << 32) | \
((((u64)pc16bit1) & 0xFFFF) << 16) | \
(((u64)pc16bit2) & 0xFFFF); \
ISSUE_IO_VMCALL_POSTCODE_SEVERITY(post_code_temp, severity); \
} while (0)
/* MOST COMMON */
#define POSTCODE_LINUX_2(EVENT_PC, severity) \
POSTCODE_LINUX_A(CURRENT_FILE_PC, EVENT_PC, 0x0000, severity)
#define POSTCODE_LINUX_3(EVENT_PC, pc32bit, severity) \
POSTCODE_LINUX_A(CURRENT_FILE_PC, EVENT_PC, pc32bit, severity)
#define POSTCODE_LINUX_4(EVENT_PC, pc16bit1, pc16bit2, severity) \
POSTCODE_LINUX_B(CURRENT_FILE_PC, EVENT_PC, pc16bit1, \
pc16bit2, severity)
#endif /* __IOMONINTF_H__ */
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