diff options
Diffstat (limited to 'drivers/staging/unisys/visorbus/vmcallinterface.h')
| -rw-r--r-- | drivers/staging/unisys/visorbus/vmcallinterface.h | 149 |
1 files changed, 13 insertions, 136 deletions
diff --git a/drivers/staging/unisys/visorbus/vmcallinterface.h b/drivers/staging/unisys/visorbus/vmcallinterface.h index d1d72c1..cc70e1b 100644 --- a/drivers/staging/unisys/visorbus/vmcallinterface.h +++ b/drivers/staging/unisys/visorbus/vmcallinterface.h @@ -12,54 +12,9 @@ * details. */ -#ifndef __IOMONINTF_H__ -#define __IOMONINTF_H__ +#ifndef __VMCALLINTERFACE_H__ +#define __VMCALLINTERFACE_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 @@ -72,30 +27,20 @@ enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples */ * 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 + VMCALL_CONTROLVM_ADDR = 0x0501, }; -#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)) +enum vmcall_result { + VMCALL_RESULT_SUCCESS = 0, + VMCALL_RESULT_INVALID_PARAM = 1, + VMCALL_RESULT_DATA_UNAVAILABLE = 2, + VMCALL_RESULT_FAILURE_UNAVAILABLE = 3, + VMCALL_RESULT_DEVICE_ERROR = 4, + VMCALL_RESULT_DEVICE_NOT_READY = 5 +}; /* Structures for IO VMCALLs */ - -/* Parameters to VMCALL_IO_CONTROLVM_ADDR interface */ +/* Parameters to VMCALL_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. */ @@ -106,72 +51,4 @@ struct vmcall_io_controlvm_addr_params { 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 */ - /* visorbus driver files */ - VISOR_BUS_PC = 0xF0, - VISOR_BUS_PC_visorbus_main_c = 0xFF, - VISOR_BUS_PC_visorchipset_c = 0xFE, -}; - -enum event_pc { /* POSTCODE event identifier tuples */ - BUS_CREATE_ENTRY_PC = 0x001, - BUS_CREATE_FAILURE_PC = 0x002, - BUS_CREATE_EXIT_PC = 0x003, - BUS_CONFIGURE_ENTRY_PC = 0x004, - BUS_CONFIGURE_FAILURE_PC = 0x005, - BUS_CONFIGURE_EXIT_PC = 0x006, - CHIPSET_INIT_ENTRY_PC = 0x007, - CHIPSET_INIT_SUCCESS_PC = 0x008, - CHIPSET_INIT_FAILURE_PC = 0x009, - CHIPSET_INIT_EXIT_PC = 0x00A, - CONTROLVM_INIT_FAILURE_PC = 0x00B, - DEVICE_CREATE_ENTRY_PC = 0x00C, - DEVICE_CREATE_FAILURE_PC = 0x00D, - DEVICE_CREATE_SUCCESS_PC = 0x00E, - DEVICE_CREATE_EXIT_PC = 0x00F, - DEVICE_ADD_PC = 0x010, - DEVICE_REGISTER_FAILURE_PC = 0x011, - DEVICE_CHANGESTATE_FAILURE_PC = 0x012, - DRIVER_ENTRY_PC = 0x013, - DRIVER_EXIT_PC = 0x014, - MALLOC_FAILURE_PC = 0x015, - CRASH_DEV_ENTRY_PC = 0x016, - CRASH_DEV_EXIT_PC = 0x017, - CRASH_DEV_RD_BUS_FAILURE_PC = 0x018, - CRASH_DEV_RD_DEV_FAILURE_PC = 0x019, - CRASH_DEV_BUS_NULL_FAILURE_PC = 0x01A, - CRASH_DEV_DEV_NULL_FAILURE_PC = 0x01B, - CRASH_DEV_CTRL_RD_FAILURE_PC = 0x01C, - CRASH_DEV_COUNT_FAILURE_PC = 0x01D, - SAVE_MSG_BUS_FAILURE_PC = 0x01E, - SAVE_MSG_DEV_FAILURE_PC = 0x01F, -}; - -/* Write a 64-bit value to the hypervisor's log file - * POSTCODE_LINUX generates a value in the form 0xAABBBCCCDDDDEEEE where - * A is an identifier for the file logging the postcode - * B is an identifier for the event logging the postcode - * C is the line logging the postcode - * D is additional information the caller wants to log - * E is additional information the caller wants to log - * 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. - */ - -#define POSTCODE_LINUX(EVENT_PC, pc16bit1, pc16bit2, severity) \ -do { \ - unsigned long long post_code_temp; \ - post_code_temp = (((u64)CURRENT_FILE_PC) << 56) | \ - (((u64)EVENT_PC) << 44) | \ - ((((u64)__LINE__) & 0xFFF) << 32) | \ - ((((u64)pc16bit1) & 0xFFFF) << 16) | \ - (((u64)pc16bit2) & 0xFFFF); \ - unisys_extended_vmcall(VMCALL_POST_CODE_LOGEVENT, severity, \ - MDS_APPOS, post_code_temp); \ -} while (0) - -#endif /* __IOMONINTF_H__ */ +#endif /* __VMCALLINTERFACE_H__ */ |
