bc5d44ec53
not on wildcard. [1] - Move the default port assignment from pci_fbuf.c to rfb.c, to avoid polluting pci_fbuf.c with network things. Suggested by: grehan
425 lines
9.5 KiB
C
425 lines
9.5 KiB
C
/*-
|
|
* Copyright (c) 2015 Nahanni Systems, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/mman.h>
|
|
|
|
#include <machine/vmm.h>
|
|
#include <vmmapi.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#include "bhyvegc.h"
|
|
#include "bhyverun.h"
|
|
#include "console.h"
|
|
#include "inout.h"
|
|
#include "pci_emul.h"
|
|
#include "rfb.h"
|
|
#include "vga.h"
|
|
|
|
/*
|
|
* bhyve Framebuffer device emulation.
|
|
* BAR0 points to the current mode information.
|
|
* BAR1 is the 32-bit framebuffer address.
|
|
*
|
|
* -s <b>,fbuf,wait,vga=on|io|off,rfb=<ip>:port,w=width,h=height
|
|
*/
|
|
|
|
static int fbuf_debug = 1;
|
|
#define DEBUG_INFO 1
|
|
#define DEBUG_VERBOSE 4
|
|
#define DPRINTF(level, params) if (level <= fbuf_debug) printf params
|
|
|
|
|
|
#define KB (1024UL)
|
|
#define MB (1024 * 1024UL)
|
|
|
|
#define DMEMSZ 128
|
|
|
|
#define FB_SIZE (16*MB)
|
|
|
|
#define COLS_MAX 1920
|
|
#define ROWS_MAX 1200
|
|
|
|
#define COLS_DEFAULT 1024
|
|
#define ROWS_DEFAULT 768
|
|
|
|
#define COLS_MIN 640
|
|
#define ROWS_MIN 480
|
|
|
|
struct pci_fbuf_softc {
|
|
struct pci_devinst *fsc_pi;
|
|
struct {
|
|
uint32_t fbsize;
|
|
uint16_t width;
|
|
uint16_t height;
|
|
uint16_t depth;
|
|
uint16_t refreshrate;
|
|
uint8_t reserved[116];
|
|
} __packed memregs;
|
|
|
|
/* rfb server */
|
|
char *rfb_host;
|
|
int rfb_port;
|
|
int rfb_wait;
|
|
int vga_enabled;
|
|
int vga_full;
|
|
|
|
uint32_t fbaddr;
|
|
char *fb_base;
|
|
uint16_t gc_width;
|
|
uint16_t gc_height;
|
|
void *vgasc;
|
|
struct bhyvegc_image *gc_image;
|
|
};
|
|
|
|
static struct pci_fbuf_softc *fbuf_sc;
|
|
|
|
#define PCI_FBUF_MSI_MSGS 4
|
|
|
|
static void
|
|
pci_fbuf_usage(char *opt)
|
|
{
|
|
|
|
fprintf(stderr, "Invalid fbuf emulation \"%s\"\r\n", opt);
|
|
fprintf(stderr, "fbuf: {wait,}{vga=on|io|off,}rfb=<ip>:port\r\n");
|
|
}
|
|
|
|
static void
|
|
pci_fbuf_write(struct vmctx *ctx, int vcpu, struct pci_devinst *pi,
|
|
int baridx, uint64_t offset, int size, uint64_t value)
|
|
{
|
|
struct pci_fbuf_softc *sc;
|
|
uint8_t *p;
|
|
|
|
assert(baridx == 0);
|
|
|
|
sc = pi->pi_arg;
|
|
|
|
DPRINTF(DEBUG_VERBOSE,
|
|
("fbuf wr: offset 0x%lx, size: %d, value: 0x%lx\n",
|
|
offset, size, value));
|
|
|
|
if (offset + size > DMEMSZ) {
|
|
printf("fbuf: write too large, offset %ld size %d\n",
|
|
offset, size);
|
|
return;
|
|
}
|
|
|
|
p = (uint8_t *)&sc->memregs + offset;
|
|
|
|
switch (size) {
|
|
case 1:
|
|
*p = value;
|
|
break;
|
|
case 2:
|
|
*(uint16_t *)p = value;
|
|
break;
|
|
case 4:
|
|
*(uint32_t *)p = value;
|
|
break;
|
|
case 8:
|
|
*(uint64_t *)p = value;
|
|
break;
|
|
default:
|
|
printf("fbuf: write unknown size %d\n", size);
|
|
break;
|
|
}
|
|
|
|
if (!sc->gc_image->vgamode && sc->memregs.width == 0 &&
|
|
sc->memregs.height == 0) {
|
|
DPRINTF(DEBUG_INFO, ("switching to VGA mode\r\n"));
|
|
sc->gc_image->vgamode = 1;
|
|
sc->gc_width = 0;
|
|
sc->gc_height = 0;
|
|
} else if (sc->gc_image->vgamode && sc->memregs.width != 0 &&
|
|
sc->memregs.height != 0) {
|
|
DPRINTF(DEBUG_INFO, ("switching to VESA mode\r\n"));
|
|
sc->gc_image->vgamode = 0;
|
|
}
|
|
}
|
|
|
|
uint64_t
|
|
pci_fbuf_read(struct vmctx *ctx, int vcpu, struct pci_devinst *pi,
|
|
int baridx, uint64_t offset, int size)
|
|
{
|
|
struct pci_fbuf_softc *sc;
|
|
uint8_t *p;
|
|
uint64_t value;
|
|
|
|
assert(baridx == 0);
|
|
|
|
sc = pi->pi_arg;
|
|
|
|
|
|
if (offset + size > DMEMSZ) {
|
|
printf("fbuf: read too large, offset %ld size %d\n",
|
|
offset, size);
|
|
return (0);
|
|
}
|
|
|
|
p = (uint8_t *)&sc->memregs + offset;
|
|
value = 0;
|
|
switch (size) {
|
|
case 1:
|
|
value = *p;
|
|
break;
|
|
case 2:
|
|
value = *(uint16_t *)p;
|
|
break;
|
|
case 4:
|
|
value = *(uint32_t *)p;
|
|
break;
|
|
case 8:
|
|
value = *(uint64_t *)p;
|
|
break;
|
|
default:
|
|
printf("fbuf: read unknown size %d\n", size);
|
|
break;
|
|
}
|
|
|
|
DPRINTF(DEBUG_VERBOSE,
|
|
("fbuf rd: offset 0x%lx, size: %d, value: 0x%lx\n",
|
|
offset, size, value));
|
|
|
|
return (value);
|
|
}
|
|
|
|
static int
|
|
pci_fbuf_parse_opts(struct pci_fbuf_softc *sc, char *opts)
|
|
{
|
|
char *uopts, *xopts, *config;
|
|
char *tmpstr;
|
|
int ret;
|
|
|
|
ret = 0;
|
|
uopts = strdup(opts);
|
|
for (xopts = strtok(uopts, ",");
|
|
xopts != NULL;
|
|
xopts = strtok(NULL, ",")) {
|
|
if (strcmp(xopts, "wait") == 0) {
|
|
sc->rfb_wait = 1;
|
|
continue;
|
|
}
|
|
|
|
if ((config = strchr(xopts, '=')) == NULL) {
|
|
pci_fbuf_usage(xopts);
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
*config++ = '\0';
|
|
|
|
DPRINTF(DEBUG_VERBOSE, ("pci_fbuf option %s = %s\r\n",
|
|
xopts, config));
|
|
|
|
if (!strcmp(xopts, "tcp") || !strcmp(xopts, "rfb")) {
|
|
/* parse host-ip:port */
|
|
tmpstr = strsep(&config, ":");
|
|
if (!config)
|
|
sc->rfb_port = atoi(tmpstr);
|
|
else {
|
|
sc->rfb_port = atoi(config);
|
|
sc->rfb_host = tmpstr;
|
|
}
|
|
} else if (!strcmp(xopts, "vga")) {
|
|
if (!strcmp(config, "off")) {
|
|
sc->vga_enabled = 0;
|
|
} else if (!strcmp(config, "io")) {
|
|
sc->vga_enabled = 1;
|
|
sc->vga_full = 0;
|
|
} else if (!strcmp(config, "on")) {
|
|
sc->vga_enabled = 1;
|
|
sc->vga_full = 1;
|
|
} else {
|
|
pci_fbuf_usage(opts);
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
} else if (!strcmp(xopts, "w")) {
|
|
sc->memregs.width = atoi(config);
|
|
if (sc->memregs.width > COLS_MAX) {
|
|
pci_fbuf_usage(xopts);
|
|
ret = -1;
|
|
goto done;
|
|
} else if (sc->memregs.width == 0)
|
|
sc->memregs.width = 1920;
|
|
} else if (!strcmp(xopts, "h")) {
|
|
sc->memregs.height = atoi(config);
|
|
if (sc->memregs.height > ROWS_MAX) {
|
|
pci_fbuf_usage(xopts);
|
|
ret = -1;
|
|
goto done;
|
|
} else if (sc->memregs.height == 0)
|
|
sc->memregs.height = 1080;
|
|
|
|
} else {
|
|
pci_fbuf_usage(xopts);
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
done:
|
|
return (ret);
|
|
}
|
|
|
|
|
|
extern void vga_render(struct bhyvegc *gc, void *arg);
|
|
|
|
void
|
|
pci_fbuf_render(struct bhyvegc *gc, void *arg)
|
|
{
|
|
struct pci_fbuf_softc *sc;
|
|
|
|
sc = arg;
|
|
|
|
if (sc->vga_full && sc->gc_image->vgamode) {
|
|
/* TODO: mode switching to vga and vesa should use the special
|
|
* EFI-bhyve protocol port.
|
|
*/
|
|
vga_render(gc, sc->vgasc);
|
|
return;
|
|
}
|
|
if (sc->gc_width != sc->memregs.width ||
|
|
sc->gc_height != sc->memregs.height) {
|
|
bhyvegc_resize(gc, sc->memregs.width, sc->memregs.height);
|
|
sc->gc_width = sc->memregs.width;
|
|
sc->gc_height = sc->memregs.height;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static int
|
|
pci_fbuf_init(struct vmctx *ctx, struct pci_devinst *pi, char *opts)
|
|
{
|
|
int error, prot;
|
|
struct pci_fbuf_softc *sc;
|
|
|
|
if (fbuf_sc != NULL) {
|
|
fprintf(stderr, "Only one frame buffer device is allowed.\n");
|
|
return (-1);
|
|
}
|
|
|
|
sc = calloc(1, sizeof(struct pci_fbuf_softc));
|
|
|
|
pi->pi_arg = sc;
|
|
|
|
/* initialize config space */
|
|
pci_set_cfgdata16(pi, PCIR_DEVICE, 0x40FB);
|
|
pci_set_cfgdata16(pi, PCIR_VENDOR, 0xFB5D);
|
|
pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_DISPLAY);
|
|
pci_set_cfgdata8(pi, PCIR_SUBCLASS, PCIS_DISPLAY_VGA);
|
|
|
|
error = pci_emul_alloc_bar(pi, 0, PCIBAR_MEM32, DMEMSZ);
|
|
assert(error == 0);
|
|
|
|
error = pci_emul_alloc_bar(pi, 1, PCIBAR_MEM32, FB_SIZE);
|
|
assert(error == 0);
|
|
|
|
error = pci_emul_add_msicap(pi, PCI_FBUF_MSI_MSGS);
|
|
assert(error == 0);
|
|
|
|
sc->fbaddr = pi->pi_bar[1].addr;
|
|
sc->memregs.fbsize = FB_SIZE;
|
|
sc->memregs.width = COLS_DEFAULT;
|
|
sc->memregs.height = ROWS_DEFAULT;
|
|
sc->memregs.depth = 32;
|
|
|
|
sc->vga_enabled = 1;
|
|
sc->vga_full = 0;
|
|
|
|
sc->fsc_pi = pi;
|
|
|
|
error = pci_fbuf_parse_opts(sc, opts);
|
|
if (error != 0)
|
|
goto done;
|
|
|
|
/* XXX until VGA rendering is enabled */
|
|
if (sc->vga_full != 0) {
|
|
fprintf(stderr, "pci_fbuf: VGA rendering not enabled");
|
|
goto done;
|
|
}
|
|
|
|
sc->fb_base = vm_create_devmem(ctx, VM_FRAMEBUFFER, "framebuffer", FB_SIZE);
|
|
if (sc->fb_base == MAP_FAILED) {
|
|
error = -1;
|
|
goto done;
|
|
}
|
|
DPRINTF(DEBUG_INFO, ("fbuf frame buffer base: %p [sz %lu]\r\n",
|
|
sc->fb_base, FB_SIZE));
|
|
|
|
/*
|
|
* Map the framebuffer into the guest address space.
|
|
* XXX This may fail if the BAR is different than a prior
|
|
* run. In this case flag the error. This will be fixed
|
|
* when a change_memseg api is available.
|
|
*/
|
|
prot = PROT_READ | PROT_WRITE;
|
|
if (vm_mmap_memseg(ctx, sc->fbaddr, VM_FRAMEBUFFER, 0, FB_SIZE, prot) != 0) {
|
|
fprintf(stderr, "pci_fbuf: mapseg failed - try deleting VM and restarting\n");
|
|
error = -1;
|
|
goto done;
|
|
}
|
|
|
|
console_init(sc->memregs.width, sc->memregs.height, sc->fb_base);
|
|
console_fb_register(pci_fbuf_render, sc);
|
|
|
|
if (sc->vga_enabled)
|
|
sc->vgasc = vga_init(!sc->vga_full);
|
|
sc->gc_image = console_get_image();
|
|
|
|
fbuf_sc = sc;
|
|
|
|
memset((void *)sc->fb_base, 0, FB_SIZE);
|
|
|
|
error = rfb_init(sc->rfb_host, sc->rfb_port, sc->rfb_wait);
|
|
done:
|
|
if (error)
|
|
free(sc);
|
|
|
|
return (error);
|
|
}
|
|
|
|
struct pci_devemu pci_fbuf = {
|
|
.pe_emu = "fbuf",
|
|
.pe_init = pci_fbuf_init,
|
|
.pe_barwrite = pci_fbuf_write,
|
|
.pe_barread = pci_fbuf_read
|
|
};
|
|
PCI_EMUL_SET(pci_fbuf);
|