diff options
Diffstat (limited to 'src/gallium/drivers/svga')
| -rw-r--r-- | src/gallium/drivers/svga/Makefile.sources | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/svga/svga_msg.c | 411 | ||||
| -rw-r--r-- | src/gallium/drivers/svga/svga_msg.h | 42 | ||||
| -rw-r--r-- | src/gallium/drivers/svga/svga_screen.c | 14 | ||||
| -rw-r--r-- | src/gallium/drivers/svga/svga_screen.h | 2 |
5 files changed, 471 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/Makefile.sources b/src/gallium/drivers/svga/Makefile.sources index 229d2863c84..72024cf60e1 100644 --- a/src/gallium/drivers/svga/Makefile.sources +++ b/src/gallium/drivers/svga/Makefile.sources @@ -15,6 +15,8 @@ C_SOURCES := \ svga_hw_reg.h \ svga_link.c \ svga_link.h \ + svga_msg.c \ + svga_msg.h \ svga_mksstats.h \ svga_pipe_blend.c \ svga_pipe_blit.c \ diff --git a/src/gallium/drivers/svga/svga_msg.c b/src/gallium/drivers/svga/svga_msg.c new file mode 100644 index 00000000000..9c71fefbb87 --- /dev/null +++ b/src/gallium/drivers/svga/svga_msg.c @@ -0,0 +1,411 @@ +/* + * Copyright © 2016 VMware, Inc., Palo Alto, CA., USA + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "util/u_math.h" /* for MAX2/MIN2 */ +#include "util/u_debug.h" +#include "util/u_memory.h" +#include "util/u_string.h" +#include "pipe/p_defines.h" +#include "svga_msg.h" + + +#define MESSAGE_STATUS_SUCCESS 0x0001 +#define MESSAGE_STATUS_DORECV 0x0002 +#define MESSAGE_STATUS_CPT 0x0010 +#define MESSAGE_STATUS_HB 0x0080 + +#define RPCI_PROTOCOL_NUM 0x49435052 +#define GUESTMSG_FLAG_COOKIE 0x80000000 + +#define RETRIES 3 + +#define VMW_HYPERVISOR_MAGIC 0x564D5868 +#define VMW_HYPERVISOR_PORT 0x5658 +#define VMW_HYPERVISOR_HB_PORT 0x5659 + +#define VMW_PORT_CMD_MSG 30 +#define VMW_PORT_CMD_HB_MSG 0 +#define VMW_PORT_CMD_OPEN_CHANNEL (MSG_TYPE_OPEN << 16 | VMW_PORT_CMD_MSG) +#define VMW_PORT_CMD_CLOSE_CHANNEL (MSG_TYPE_CLOSE << 16 | VMW_PORT_CMD_MSG) +#define VMW_PORT_CMD_SENDSIZE (MSG_TYPE_SENDSIZE << 16 | VMW_PORT_CMD_MSG) +#define VMW_PORT_CMD_RECVSIZE (MSG_TYPE_RECVSIZE << 16 | VMW_PORT_CMD_MSG) +#define VMW_PORT_CMD_RECVSTATUS (MSG_TYPE_RECVSTATUS << 16 | VMW_PORT_CMD_MSG) + +#define HIGH_WORD(X) ((X & 0xFFFF0000) >> 16) + + +/** + * 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_bx: [IN] Message Len, through BX + * @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 + * @ax: [OUT] value of AX register + * @bx: [OUT] e.g. status from an HB message status command + * @cx: [OUT] e.g. status from a non-HB message status command + * @dx: [OUT] e.g. channel id + * @si: [OUT] + * @di: [OUT] + */ +#define VMW_PORT(cmd, in_bx, in_si, in_di, \ + port_num, magic, \ + ax, bx, cx, dx, si, di) \ +({ \ + asm volatile ("inl %%dx, %%eax;" : \ + "=a"(ax), \ + "=b"(bx), \ + "=c"(cx), \ + "=d"(dx), \ + "=S"(si), \ + "=D"(di) : \ + "a"(magic), \ + "b"(in_bx), \ + "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. + * + * @cmd: [IN] Message Cmd + * @in_cx: [IN] Message Len, through CX + * @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] + * @ax: [OUT] value of AX register + * @bx: [OUT] e.g. status from an HB message status command + * @cx: [OUT] e.g. status from a non-HB message status command + * @dx: [OUT] e.g. channel id + * @si: [OUT] + * @di: [OUT] + */ +#ifdef __x86_64__ + +typedef uint64_t VMW_REG; + +#define VMW_PORT_HB_OUT(cmd, in_cx, in_si, in_di, \ + port_num, magic, bp, \ + ax, bx, cx, dx, si, di) \ +({ \ + asm volatile ("push %%rbp;" \ + "movq %12, %%rbp;" \ + "rep outsb;" \ + "pop %%rbp;" : \ + "=a"(ax), \ + "=b"(bx), \ + "=c"(cx), \ + "=d"(dx), \ + "=S"(si), \ + "=D"(di) : \ + "a"(magic), \ + "b"(cmd), \ + "c"(in_cx), \ + "d"(port_num), \ + "S"(in_si), \ + "D"(in_di), \ + "r"(bp) : \ + "memory", "cc"); \ +}) + +#define VMW_PORT_HB_IN(cmd, in_cx, in_si, in_di, \ + port_num, magic, bp, \ + ax, bx, cx, dx, si, di) \ +({ \ + asm volatile ("push %%rbp;" \ + "movq %12, %%rbp;" \ + "rep insb;" \ + "pop %%rbp" : \ + "=a"(ax), \ + "=b"(bx), \ + "=c"(cx), \ + "=d"(dx), \ + "=S"(si), \ + "=D"(di) : \ + "a"(magic), \ + "b"(cmd), \ + "c"(in_cx), \ + "d"(port_num), \ + "S"(in_si), \ + "D"(in_di), \ + "r"(bp) : \ + "memory", "cc"); \ +}) + +#else + +typedef uint32_t VMW_REG; + +/* 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_cx, in_si, in_di, \ + port_num, magic, bp, \ + ax, bx, cx, dx, si, di) \ +({ \ + asm volatile ("push %%ebp;" \ + "mov %12, %%ebp;" \ + "rep outsb;" \ + "pop %%ebp;" : \ + "=a"(ax), \ + "=b"(bx), \ + "=c"(cx), \ + "=d"(dx), \ + "=S"(si), \ + "=D"(di) : \ + "a"(magic), \ + "b"(cmd), \ + "c"(in_cx), \ + "d"(port_num), \ + "S"(in_si), \ + "D"(in_di), \ + "m"(bp) : \ + "memory", "cc"); \ +}) + + +#define VMW_PORT_HB_IN(cmd, in_cx, in_si, in_di, \ + port_num, magic, bp, \ + ax, bx, cx, dx, si, di) \ +({ \ + asm volatile ("push %%ebp;" \ + "mov %12, %%ebp;" \ + "rep insb;" \ + "pop %%ebp" : \ + "=a"(ax), \ + "=b"(bx), \ + "=c"(cx), \ + "=d"(dx), \ + "=S"(si), \ + "=D"(di) : \ + "a"(magic), \ + "b"(cmd), \ + "c"(in_cx), \ + "d"(port_num), \ + "S"(in_si), \ + "D"(in_di), \ + "m"(bp) : \ + "memory", "cc"); \ +}) +#endif /* #if __x86_64__ */ + + +enum rpc_msg_type { + MSG_TYPE_OPEN, + MSG_TYPE_SENDSIZE, + MSG_TYPE_SENDPAYLOAD, + MSG_TYPE_RECVSIZE, + MSG_TYPE_RECVPAYLOAD, + MSG_TYPE_RECVSTATUS, + MSG_TYPE_CLOSE, +}; + +struct rpc_channel { + uint16_t channel_id; + uint32_t cookie_high; + uint32_t cookie_low; +}; + + + +/** + * svga_open_channel + * + * @channel: RPC channel + * @protocol: + * + * Returns: PIPE_OK on success, PIPE_ERROR otherwise + */ +static enum pipe_error +svga_open_channel(struct rpc_channel *channel, unsigned protocol) +{ + VMW_REG ax, bx, cx, dx, si = 0, di = 0; + + VMW_PORT(VMW_PORT_CMD_OPEN_CHANNEL, + (protocol | GUESTMSG_FLAG_COOKIE), si, di, + VMW_HYPERVISOR_PORT, + VMW_HYPERVISOR_MAGIC, + ax, bx, cx, dx, si, di); + + if ((HIGH_WORD(cx) & MESSAGE_STATUS_SUCCESS) == 0) + return PIPE_ERROR; + + channel->channel_id = HIGH_WORD(dx); + channel->cookie_high = si; + channel->cookie_low = di; + + return PIPE_OK; +} + + + +/** + * svga_close_channel + * + * @channel: RPC channel + * + * Returns: PIPE_OK on success, PIPE_ERROR otherwises + */ +static enum pipe_error +svga_close_channel(struct rpc_channel *channel) +{ + VMW_REG ax, bx, cx, dx, si, di; + + /* Set up additional parameters */ + si = channel->cookie_high; + di = channel->cookie_low; + + VMW_PORT(VMW_PORT_CMD_CLOSE_CHANNEL, + 0, si, di, + (VMW_HYPERVISOR_PORT | (channel->channel_id << 16)), + VMW_HYPERVISOR_MAGIC, + ax, bx, cx, dx, si, di); + + if ((HIGH_WORD(cx) & MESSAGE_STATUS_SUCCESS) == 0) + return PIPE_ERROR; + + return PIPE_OK; +} + + + +/** + * svga_send_msg: Sends a message to the host + * + * @channel: RPC channel + * @logmsg: NULL terminated string + * + * Returns: PIPE_OK on success + */ +static enum pipe_error +svga_send_msg(struct rpc_channel *channel, const char *msg) +{ + VMW_REG ax, bx, cx, dx, si, di, bp; + size_t msg_len = strlen(msg); + int retries = 0; + + + while (retries < RETRIES) { + retries++; + + /* Set up additional parameters */ + si = channel->cookie_high; + di = channel->cookie_low; + + VMW_PORT(VMW_PORT_CMD_SENDSIZE, + msg_len, si, di, + VMW_HYPERVISOR_PORT | (channel->channel_id << 16), + VMW_HYPERVISOR_MAGIC, + ax, bx, cx, dx, si, di); + + if ((HIGH_WORD(cx) & MESSAGE_STATUS_SUCCESS) == 0 || + (HIGH_WORD(cx) & MESSAGE_STATUS_HB) == 0) { + /* Expected success + high-bandwidth. Give up. */ + return PIPE_ERROR; + } + + /* Send msg */ + si = (uintptr_t) msg; + di = channel->cookie_low; + bp = channel->cookie_high; + + VMW_PORT_HB_OUT( + (MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG, + msg_len, si, di, + VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16), + VMW_HYPERVISOR_MAGIC, bp, + ax, bx, cx, dx, si, di); + + if ((HIGH_WORD(bx) & MESSAGE_STATUS_SUCCESS) != 0) { + return PIPE_OK; + } else if ((HIGH_WORD(bx) & MESSAGE_STATUS_CPT) != 0) { + /* A checkpoint occurred. Retry. */ + continue; + } else { + break; + } + } + + return PIPE_ERROR; +} + + + +/** + * svga_host_log: Sends a log message to the host + * + * @log: NULL terminated string + * + * Returns: PIPE_OK on success + */ +enum pipe_error +svga_host_log(const char *log) +{ + struct rpc_channel channel; + char *msg; + int msg_len; + enum pipe_error ret = PIPE_OK; + + + if (!log) + return ret; + + msg_len = strlen(log) + strlen("log ") + 1; + msg = CALLOC(1, msg_len); + if (msg == NULL) { + debug_printf("Cannot allocate memory for log message\n"); + return PIPE_ERROR_OUT_OF_MEMORY; + } + + util_sprintf(msg, "log %s", log); + + if (svga_open_channel(&channel, RPCI_PROTOCOL_NUM) || + svga_send_msg(&channel, msg) || + svga_close_channel(&channel)) { + debug_printf("Failed to send log\n"); + + ret = PIPE_ERROR; + } + + FREE(msg); + + return ret; +} + diff --git a/src/gallium/drivers/svga/svga_msg.h b/src/gallium/drivers/svga/svga_msg.h new file mode 100644 index 00000000000..9132ba7e240 --- /dev/null +++ b/src/gallium/drivers/svga/svga_msg.h @@ -0,0 +1,42 @@ +/* + * Copyright © 2016 VMware, Inc., Palo Alto, CA., USA + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Based on code from vmware.c and vmmouse.c. + * Author: + * Sinclair Yeh <[email protected]> + */ +#ifndef _SVGA_MSG_H +#define _SVGA_MSG_H + +/** + * svga_host_log: Sends a log message to the host + * + * @log: NULL terminated string + * + * Returns: PIPE_OK on success + */ +enum pipe_error svga_host_log(const char *log); + +#endif + diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c index b79d9e9a767..866eef13930 100644 --- a/src/gallium/drivers/svga/svga_screen.c +++ b/src/gallium/drivers/svga/svga_screen.c @@ -23,6 +23,7 @@ * **********************************************************/ +#include "git_sha1.h" /* For MESA_GIT_SHA1 */ #include "util/u_format.h" #include "util/u_memory.h" #include "util/u_inlines.h" @@ -45,6 +46,10 @@ /* NOTE: this constant may get moved into a svga3d*.h header file */ #define SVGA3D_DX_MAX_RESOURCE_SIZE (128 * 1024 * 1024) +#ifndef MESA_GIT_SHA1 +#define MESA_GIT_SHA1 "(unknown git revision)" +#endif + #ifdef DEBUG int SVGA_DEBUG = 0; @@ -1124,6 +1129,15 @@ svga_screen_create(struct svga_winsys_screen *sws) svga_screen_cache_init(svgascreen); + /* Log Version to Host */ + util_snprintf(host_log, sizeof(host_log) - strlen(HOST_LOG_PREFIX), + "%s%s", HOST_LOG_PREFIX, svga_get_name(screen)); + svga_host_log(host_log); + + util_snprintf(host_log, sizeof(host_log) - strlen(HOST_LOG_PREFIX), + "%s%s (%s)", HOST_LOG_PREFIX, PACKAGE_VERSION, MESA_GIT_SHA1); + svga_host_log(host_log); + return screen; error2: FREE(svgascreen); diff --git a/src/gallium/drivers/svga/svga_screen.h b/src/gallium/drivers/svga/svga_screen.h index 68834a69e2e..8e8620a1c98 100644 --- a/src/gallium/drivers/svga/svga_screen.h +++ b/src/gallium/drivers/svga/svga_screen.h @@ -33,6 +33,8 @@ #include "svga_screen_cache.h" +#define HOST_LOG_PREFIX "Mesa: " + struct svga_winsys_screen; struct svga_winsys_context; struct SVGACmdMemory; |