diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_msg.h')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_msg.h | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h deleted file mode 100644 index 557a033fb610..000000000000 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.h +++ /dev/null @@ -1,191 +0,0 @@ -/* - * Copyright (C) 2016, VMware, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - * - * Based on code from vmware.c and vmmouse.c. - * Author: - * Sinclair Yeh <syeh@vmware.com> - */ -#ifndef _VMWGFX_MSG_H -#define _VMWGFX_MSG_H - - -/** - * Hypervisor-specific bi-directional communication channel. Should never - * execute on bare metal hardware. The caller must make sure to check for - * supported hypervisor before using these macros. - * - * The last two parameters are both input and output and must be initialized. - * - * @cmd: [IN] Message Cmd - * @in_ebx: [IN] Message Len, through EBX - * @in_si: [IN] Input argument through SI, set to 0 if not used - * @in_di: [IN] Input argument through DI, set ot 0 if not used - * @port_num: [IN] port number + [channel id] - * @magic: [IN] hypervisor magic value - * @eax: [OUT] value of EAX register - * @ebx: [OUT] e.g. status from an HB message status command - * @ecx: [OUT] e.g. status from a non-HB message status command - * @edx: [OUT] e.g. channel id - * @si: [OUT] - * @di: [OUT] - */ -#define VMW_PORT(cmd, in_ebx, in_si, in_di, \ - port_num, magic, \ - eax, ebx, ecx, edx, si, di) \ -({ \ - asm volatile ("inl %%dx, %%eax;" : \ - "=a"(eax), \ - "=b"(ebx), \ - "=c"(ecx), \ - "=d"(edx), \ - "=S"(si), \ - "=D"(di) : \ - "a"(magic), \ - "b"(in_ebx), \ - "c"(cmd), \ - "d"(port_num), \ - "S"(in_si), \ - "D"(in_di) : \ - "memory"); \ -}) - - -/** - * Hypervisor-specific bi-directional communication channel. Should never - * execute on bare metal hardware. The caller must make sure to check for - * supported hypervisor before using these macros. - * - * The last 3 parameters are both input and output and must be initialized. - * - * @cmd: [IN] Message Cmd - * @in_ecx: [IN] Message Len, through ECX - * @in_si: [IN] Input argument through SI, set to 0 if not used - * @in_di: [IN] Input argument through DI, set to 0 if not used - * @port_num: [IN] port number + [channel id] - * @magic: [IN] hypervisor magic value - * @bp: [IN] - * @eax: [OUT] value of EAX register - * @ebx: [OUT] e.g. status from an HB message status command - * @ecx: [OUT] e.g. status from a non-HB message status command - * @edx: [OUT] e.g. channel id - * @si: [OUT] - * @di: [OUT] - */ -#ifdef __x86_64__ - -#define VMW_PORT_HB_OUT(cmd, in_ecx, in_si, in_di, \ - port_num, magic, bp, \ - eax, ebx, ecx, edx, si, di) \ -({ \ - asm volatile ("push %%rbp;" \ - "mov %12, %%rbp;" \ - "rep outsb;" \ - "pop %%rbp;" : \ - "=a"(eax), \ - "=b"(ebx), \ - "=c"(ecx), \ - "=d"(edx), \ - "=S"(si), \ - "=D"(di) : \ - "a"(magic), \ - "b"(cmd), \ - "c"(in_ecx), \ - "d"(port_num), \ - "S"(in_si), \ - "D"(in_di), \ - "r"(bp) : \ - "memory", "cc"); \ -}) - - -#define VMW_PORT_HB_IN(cmd, in_ecx, in_si, in_di, \ - port_num, magic, bp, \ - eax, ebx, ecx, edx, si, di) \ -({ \ - asm volatile ("push %%rbp;" \ - "mov %12, %%rbp;" \ - "rep insb;" \ - "pop %%rbp" : \ - "=a"(eax), \ - "=b"(ebx), \ - "=c"(ecx), \ - "=d"(edx), \ - "=S"(si), \ - "=D"(di) : \ - "a"(magic), \ - "b"(cmd), \ - "c"(in_ecx), \ - "d"(port_num), \ - "S"(in_si), \ - "D"(in_di), \ - "r"(bp) : \ - "memory", "cc"); \ -}) - -#else - -/* In the 32-bit version of this macro, we use "m" because there is no - * more register left for bp - */ -#define VMW_PORT_HB_OUT(cmd, in_ecx, in_si, in_di, \ - port_num, magic, bp, \ - eax, ebx, ecx, edx, si, di) \ -({ \ - asm volatile ("push %%ebp;" \ - "mov %12, %%ebp;" \ - "rep outsb;" \ - "pop %%ebp;" : \ - "=a"(eax), \ - "=b"(ebx), \ - "=c"(ecx), \ - "=d"(edx), \ - "=S"(si), \ - "=D"(di) : \ - "a"(magic), \ - "b"(cmd), \ - "c"(in_ecx), \ - "d"(port_num), \ - "S"(in_si), \ - "D"(in_di), \ - "m"(bp) : \ - "memory", "cc"); \ -}) - - -#define VMW_PORT_HB_IN(cmd, in_ecx, in_si, in_di, \ - port_num, magic, bp, \ - eax, ebx, ecx, edx, si, di) \ -({ \ - asm volatile ("push %%ebp;" \ - "mov %12, %%ebp;" \ - "rep insb;" \ - "pop %%ebp" : \ - "=a"(eax), \ - "=b"(ebx), \ - "=c"(ecx), \ - "=d"(edx), \ - "=S"(si), \ - "=D"(di) : \ - "a"(magic), \ - "b"(cmd), \ - "c"(in_ecx), \ - "d"(port_num), \ - "S"(in_si), \ - "D"(in_di), \ - "m"(bp) : \ - "memory", "cc"); \ -}) -#endif /* #if __x86_64__ */ - -#endif |