acrn-hypervisor/devicemodel/vmcfg/apl-mrb/vm1/vm1.c

295 lines
7.0 KiB
C

/*
* Copyright (C)2018 Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <vmcfg_config.h>
#include <vmcfg.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#define TOSTR(X) #X
#define STR(X) TOSTR(X)
#ifdef CONFIG_MRB_VM1
static char cmdline_fmt[] = "maxcpus=" STR(CONFIG_MRB_VM1_CPU) " "
"nohpet tsc=reliable intel_iommu=off "
"androidboot.serialno=%s%s "
"i915.enable_rc6=1 "
"i915.enable_fbc=1 "
"i915.enable_guc_loading=0 "
"i915.avail_planes_per_pipe=0x070F00 "
"i915.enable_hangcheck=0 "
"use_nuclear_flip=1 "
"i915.enable_guc_submission=0 "
"i915.enable_guc=0 ";
static char kernel_cmdline[sizeof(cmdline_fmt) + 256];
static char *mrb_vm1_options[] = {
NULL, /*Reserved for program name*/
#ifdef CONFIG_MRB_VM1_UUID
"-U", CONFIG_MRB_VM1_UUID_VAL,
#endif /*CONFIG_MRB_VM1_UUID*/
#ifdef CONFIG_MRB_VM1_ACPI
"-A",
#endif /*CONFIG_MRB_VM1_ACPI*/
#ifdef CONFIG_MRB_VM1_MEM
"-m", STR(CONFIG_MRB_VM1_MEM) "M",
#endif /*CONFIG_MRB_VM1_MEN*/
#ifdef CONFIG_MRB_VM1_CPU
"-c", STR(CONFIG_MRB_VM1_CPU),
#endif /*CONFIG_MRB_VM1_CPU*/
#ifdef CONFIG_MRB_VM1_GVT
"-s", CONFIG_MRB_VM1_GVT_DEV,
"-G", CONFIG_MRB_VM1_GVT_ARG,
#endif /*CONFIG_MRB_VM1_GVT*/
#ifdef CONFIG_MRB_VM1_HOSTBRIDGE
"-s", CONFIG_MRB_VM1_HOSTBRIDGE_OPT,
#ifdef CONFIG_MRB_VM1_USB_XHCI
"-s", CONFIG_MRB_VM1_USB_XHCI_OPT,
#endif /*CONFIG_MRB_VM1_USB_XHCI*/
#ifdef CONFIG_MRB_VM1_PTDEV_USB
"-s", CONFIG_MRB_VM1_PTDEV_USB_OPT_1,
#endif /*CONFIG_MRB_VM1_PTDEV_USB*/
#ifdef CONFIG_MRB_VM1_VIRTIO_RPMB
"-s", CONFIG_MRB_VM1_VIRTIO_RPMB_OPT,
#endif /*CONFIG_MRB_VM1_VIRTIO_RPMB*/
#ifdef CONFIG_MRB_VM1_VIRTIO_HYPER_DMABUF
"-s", CONFIG_MRB_VM1_VIRTIO_HYPER_DMABUF_OPT,
#endif /*CONFIG_MRB_VM1_VIRTIO_HYPER_DMABUF*/
#ifdef CONFIG_MRB_VM1_WDT_I6300ESB
"-s", CONFIG_MRB_VM1_WDT_I6300ESB_OPT,
#endif /*CONFIG_MRB_VM1_WDT_I6300ESB*/
#ifdef CONFIG_MRB_VM1_VIRTIO_BLK
"-s", CONFIG_MRB_VM1_VIRTIO_BLK_OPT,
#endif /*CONFIG_MRB_VM1_VIRTIO_BLK*/
#ifdef CONFIG_MRB_VM1_VIRTIO_NET
"-s", CONFIG_MRB_VM1_VIRTIO_NET_OPT,
#endif /*CONFIG_MRB_VM1_VIRTIO_NET*/
#ifdef CONFIG_MRB_VM1_PTDEV_AUDIO
"-s", CONFIG_MRB_VM1_PTDEV_AUDIO_OPT,
#endif /*CONFIG_MRB_VM1_PTDEV_AUDIO*/
#ifdef CONFIG_MRB_VM1_PTDEV_AUDIO_CODEC
"-s", CONFIG_MRB_VM1_PTDEV_AUDIO_CODEC_OPT,
#endif /*CONFIG_MRB_VM1_PTDEV_AUDIO_CODEC*/
#ifdef CONFIG_MRB_VM1_PTDEV_CSME
"-s", CONFIG_MRB_VM1_PTDEV_CSME_OPT,
#endif /*CONFIG_MRB_VM1_PTDEV_CSME */
#ifdef CONFIG_MRB_VM1_PTDEV_IPU
"-s", CONFIG_MRB_VM1_PTDEV_IPU_OPT, /*ipu device*/
"-s", CONFIG_MRB_VM1_PTDEV_IPU_I2C, /*ipu related i2c*/
#endif /*CONFIG_MRB_VM1_PTDEV_IPU*/
#ifdef CONFIG_MRB_VM1_PTDEV_SD
"-s", CONFIG_MRB_VM1_PTDEV_SD_OPT,
#endif /*CONFIG_MRB_VM1_PTDEV_SD*/
#ifdef CONFIG_MRB_VM1_PTDEV_WIFI
"-s", CONFIG_MRB_VM1_PTDEV_WIFI_OPT,
#endif /*CONFIG_MRB_VM1_PTDEV_WIFI*/
#ifdef CONFIG_MRB_VM1_PTDEV_BLUETOOTH
"-s", CONFIG_MRB_VM1_PTDEV_BLUETOOTH_OPT,
#endif /*CONFIG_MRB_VM1_PTDEV_BLUETOOTH*/
#endif /*CONFIG_MRB_VM1_HOSTBRIDGE */
#ifdef CONFIG_MRB_VM1_LPC
"-s", CONFIG_MRB_VM1_LPC_OPT,
#ifdef CONFIG_MRB_VM1_IOC
"-i", CONFIG_MRB_VM1_IOC_UART CONFIG_MRB_VM1_NAME ","
CONFIG_MRB_VM1_IOC_REASON,
#endif /*CONFIG_MRB_VM1_IOC */
#ifdef CONFIG_MRB_VM1_LPC_COM1
"-l", CONFIG_MRB_VM1_LPC_COM1_OPT,
#endif /*CONFIG_MRB_VM1_LPC_COM1 */
#ifdef CONFIG_MRB_VM1_LPC_COM2
"-l", CONFIG_MRB_VM1_LPC_COM2_OPT CONFIG_MRB_VM1_NAME,
#endif /*CONFIG_MRB_VM1_LPC_COM2 */
#endif /*CONFIG_MRB_VM1_LPC */
#ifdef CONFIG_MRB_VM1_VSBL_IMAGE
"--vsbl", CONFIG_MRB_VM1_VSBL_IMAGE,
#endif /*CONFIG_MRB_VM1_VSBL_IMAGE */
"--enable_trusty",
/*command line */
"-B",
kernel_cmdline,
/* VM name */
CONFIG_MRB_VM1_NAME,
};
#ifdef CONFIG_MRB_VM1_PTDEV
#define PCI_UNBIND_PATH(X) \
"/sys/bus/pci/devices/" X "/driver/unbind"
static int pci_dev_unbind(char *path, char *bdf)
{
int fd = -1;
int ret = -1;
fd = open(path, O_WRONLY);
if (fd < 0) {
perror(path);
return -1;
}
ret = write(fd, bdf, strnlen(bdf, 64));
if (ret != strnlen(bdf, 64)) {
perror(bdf);
ret = -1;
}
close(fd);
return ret;
}
static int pci_dev_newid(char *id)
{
int fd = -1;
int ret = -1;
fd = open("/sys/bus/pci/drivers/pci-stub/new_id", O_WRONLY);
if (fd < 0) {
perror("/sys/bus/pci/drivers/pci-stub/new_id");
return -1;
}
ret = write(fd, id, strnlen(id, 64));
if (ret != strnlen(id, 64)) {
perror(id);
ret = -1;
}
close(fd);
return ret;
}
#define PTDEV_SETUP(ID, DEVINFO) \
do { \
pci_dev_newid(ID); \
pci_dev_unbind(PCI_UNBIND_PATH(DEVINFO), DEVINFO); \
} while(0)
#endif /*CONFIG_MRB_VM1_PTDEV*/
static void check_str(char *str, int len)
{
int i = 0;
for (i = 0; i < len; i++)
if (str[i] < 0x20 || str[i] > 0x7e)
str[i] = 0;
}
static int mrb_vm1_setup(void)
{
char mmc_name[64] = {};
char mmc_serial[64] = {};
int ret = 0;
int fd = -1;
#ifdef CONFIG_MRB_VM1_PTDEV_USB
PTDEV_SETUP(CONFIG_MRB_VM1_PTDEV_USB_ID_1,
CONFIG_MRB_VM1_PTDEV_USB_DEVINFO_1);
#endif /*CONFIG_MRB_VM1_PTDEV_USB*/
#ifdef CONFIG_MRB_VM1_PTDEV_AUDIO
PTDEV_SETUP(CONFIG_MRB_VM1_PTDEV_AUDIO_ID,
CONFIG_MRB_VM1_PTDEV_AUDIO_DEVINFO);
#endif /*CONFIG_MRB_VM1_PTDEV_AUDIO*/
#ifdef CONFIG_MRB_VM1_PTDEV_AUDIO_CODEC
PTDEV_SETUP(CONFIG_MRB_VM1_PTDEV_AUDIO_CODEC_ID,
CONFIG_MRB_VM1_PTDEV_AUDIO_CODEC_DEVINFO);
#endif /*CONFIG_MRB_VM1_PTDEV_AUDIO*/
#ifdef CONFIG_MRB_VM1_PTDEV_CSME
PTDEV_SETUP(CONFIG_MRB_VM1_PTDEV_CSME_ID,
CONFIG_MRB_VM1_PTDEV_CSME_DEVINFO);
#endif /*CONFIG_MRB_VM1_PTDEV_CSME*/
#ifdef CONFIG_MRB_VM1_PTDEV_IPU
PTDEV_SETUP(CONFIG_MRB_VM1_PTDEV_IPU_ID,
CONFIG_MRB_VM1_PTDEV_IPU_DEVINFO);
PTDEV_SETUP(CONFIG_MRB_VM1_PTDEV_IPU_I2C_ID,
CONFIG_MRB_VM1_PTDEV_IPU_I2C_DEVINFO);
#endif /*CONFIG_MRB_VM1_PTDEV_IPU*/
#ifdef CONFIG_MRB_VM1_PTDEV_SD
PTDEV_SETUP(CONFIG_MRB_VM1_PTDEV_SD_ID,
CONFIG_MRB_VM1_PTDEV_SD_DEVINFO);
#endif /*CONFIG_MRB_VM1_PTDEV_SD*/
#ifdef CONFIG_MRB_VM1_PTDEV_WIFI
PTDEV_SETUP(CONFIG_MRB_VM1_PTDEV_WIFI_ID,
CONFIG_MRB_VM1_PTDEV_WIFI_DEVINFO);
#endif /*CONFIG_MRB_VM1_PTDEV_WIFI*/
#ifdef CONFIG_MRB_VM1_PTDEV_BLUETOOTH
PTDEV_SETUP(CONFIG_MRB_VM1_PTDEV_BLUETOOTH_ID,
CONFIG_MRB_VM1_PTDEV_BLUETOOTH_DEVINFO);
#endif /*CONFIG_MRB_VM1_PTDEV_BLUETOOTH*/
memset(kernel_cmdline, 0, sizeof(kernel_cmdline));
fd = open("/sys/block/mmcblk1/device/name", O_RDONLY);
if (fd >= 0) {
ret = read(fd, mmc_name, sizeof(mmc_name));
if (ret >= sizeof(mmc_name))
mmc_name[sizeof(mmc_name) - 1] = 0;
check_str(mmc_name, sizeof(mmc_name));
close(fd);
}
fd = open("/sys/block/mmcblk1/device/serial", O_RDONLY);
if (fd >= 0) {
ret = read(fd, mmc_serial, sizeof(mmc_serial));
if (ret >= sizeof(mmc_serial))
mmc_name[sizeof(mmc_serial) - 1] = 0;
check_str(mmc_serial, sizeof(mmc_serial));
close(fd);
}
snprintf(kernel_cmdline, sizeof(kernel_cmdline) - 1, cmdline_fmt,
mmc_name, mmc_serial);
return 0;
}
struct vmcfg_arg mrb_vm1_args = {
.argv = mrb_vm1_options,
.argc = sizeof(mrb_vm1_options) / sizeof(char *),
.setup = mrb_vm1_setup,
};
#endif /*CONFIG_MRB_VM1 */