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hv: Create E820 entries for OS in partitioning mode ACRN

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1) This patch creates static E820 entries for VMs launced by ACRN in
partition mode.
2) Moves vm_description entries from bsp/sbl/ to partition/
3) Removes unused API get_vm_desc_base

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
This commit is contained in:
Sainath Grandhi 2018-08-12 20:44:51 -07:00 committed by lijinxia
parent ab2961473f
commit c25a62e5b0
4 changed files with 129 additions and 101 deletions
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82
hypervisor/bsp/sbl/vm_description.c
View File

@ -24,85 +24,3 @@ struct vm_description vm0_desc = {
struct vm_description vm0_desc;
#endif // CONFIG_VM0_DESC
#ifdef CONFIG_PARTITION_MODE
#define NUM_USER_VMS 2U
/**********************/
/* VIRTUAL MACHINE 0 */
/*********************/
/* Number of CPUs in this VM*/
#define VM1_NUM_CPUS 2U
/* Logical CPU IDs assigned to this VM */
int VM1_CPUS[VM1_NUM_CPUS] = {0U, 2U};
/*********************/
/* VIRTUAL MACHINE 1 */
/*********************/
/* Number of CPUs in this VM*/
#define VM2_NUM_CPUS 2U
/* Logical CPU IDs assigned with this VM */
int VM2_CPUS[VM2_NUM_CPUS] = {3U, 1U};
/*******************************/
/* User Defined VM definitions */
/*******************************/
const struct vm_description_array vm_desc_mrb = {
/* Number of user virtual machines */
.num_vm_desc = NUM_USER_VMS,
/* Virtual Machine descriptions */
.vm_desc_array = {
{
/* Internal variable, MUSTBE init to -1 */
.vm_hw_num_cores = VM1_NUM_CPUS,
.vm_pcpu_ids = &VM1_CPUS[0],
.vm_id = 1U,
.start_hpa = 0x100000000UL,
.mem_size = 0x80000000UL, /* uses contiguous memory from host */
.vm_vuart = true,
.bootargs = "root=/dev/sda rw rootwait noxsave maxcpus=2 nohpet console=hvc0 \
console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
consoleblank=0 tsc=reliable"
},
{
/* Internal variable, MUSTBE init to -1 */
.vm_hw_num_cores = VM2_NUM_CPUS,
.vm_pcpu_ids = &VM2_CPUS[0],
.vm_id = 2U,
.start_hpa = 0x180000000UL,
.mem_size = 0x80000000UL, /* uses contiguous memory from host */
.vm_vuart = true,
.bootargs = "root=/dev/sda rw rootwait noxsave maxcpus=2 nohpet console=hvc0 \
console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
consoleblank=0 tsc=reliable"
},
}
};
const struct pcpu_vm_desc_mapping pcpu_vm_desc_map[] = {
{
.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[0],
.is_bsp = true,
},
{
.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[1],
.is_bsp = false,
},
{
.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[0],
.is_bsp = false,
},
{
.vm_desc_ptr = &vm_desc_mrb.vm_desc_array[1],
.is_bsp = true,
},
};
#endif

15
hypervisor/common/vm_load.c
View File

@ -7,6 +7,20 @@
#include <hypervisor.h>
#include <zeropage.h>
#ifdef CONFIG_PARTITION_MODE
static uint32_t create_e820_table(struct e820_entry *param_e820)
{
uint32_t i;
for (i = 0U; i < NUM_E820_ENTRIES; i++) {
param_e820[i].baseaddr = e820_default_entries[i].baseaddr;
param_e820[i].length = e820_default_entries[i].length;
param_e820[i].type = e820_default_entries[i].type;
}
return NUM_E820_ENTRIES;
}
#else
static uint32_t create_e820_table(struct e820_entry *param_e820)
{
uint32_t i;
@ -22,6 +36,7 @@ static uint32_t create_e820_table(struct e820_entry *param_e820)
return e820_entries;
}
#endif
static uint64_t create_zero_page(struct vm *vm)
{

12
hypervisor/include/arch/x86/guest/guest.h
View File

@ -104,6 +104,18 @@ void init_e820(void);
void obtain_e820_mem_info(void);
extern uint32_t e820_entries;
extern struct e820_entry e820[E820_MAX_ENTRIES];
#ifdef CONFIG_PARTITION_MODE
/*
* Default e820 mem map:
*
* Assumption is every VM launched by ACRN in partition mode uses 2G of RAM.
* there is reserved memory of 64K for MPtable and PCI hole of 512MB
*/
#define NUM_E820_ENTRIES 5U
extern const struct e820_entry e820_default_entries[NUM_E820_ENTRIES];
#endif
extern uint32_t boot_regs[2];
extern struct e820_mem_params e820_mem;

121
hypervisor/partition/vm_description.c
View File

@ -6,6 +6,28 @@
#include <hypervisor.h>
#define NUM_USER_VMS 2U
/**********************/
/* VIRTUAL MACHINE 0 */
/*********************/
/* Number of CPUs in this VM*/
#define VM1_NUM_CPUS 2U
/* Logical CPU IDs assigned to this VM */
int VM1_CPUS[VM1_NUM_CPUS] = {0U, 2U};
/*********************/
/* VIRTUAL MACHINE 1 */
/*********************/
/* Number of CPUs in this VM*/
#define VM2_NUM_CPUS 2U
/* Logical CPU IDs assigned with this VM */
int VM2_CPUS[VM2_NUM_CPUS] = {3U, 1U};
static struct vpci_vdev_array vpci_vdev_array1 = {
.num_pci_vdev = 2,
@ -51,7 +73,6 @@ static struct vpci_vdev_array vpci_vdev_array1 = {
}
};
static struct vpci_vdev_array vpci_vdev_array2 = {
.num_pci_vdev = 2,
@ -101,26 +122,88 @@ static struct vpci_vdev_array vpci_vdev_array2 = {
/* User Defined VM definitions */
/*******************************/
const struct vm_description_array vm_desc_partition = {
/* Number of user virtual machines */
.num_vm_desc = 2,
/* Number of user virtual machines */
.num_vm_desc = NUM_USER_VMS,
.vm_desc_array = {
{
/* vm1 */
.vm_hw_num_cores = 2,
.vpci_vdev_array = &vpci_vdev_array1,
},
/* Virtual Machine descriptions */
.vm_desc_array = {
{
/* Internal variable, MUSTBE init to -1 */
.vm_hw_num_cores = VM1_NUM_CPUS,
.vm_pcpu_ids = &VM1_CPUS[0],
.vm_id = 1U,
.start_hpa = 0x100000000UL,
.mem_size = 0x80000000UL, /* uses contiguous memory from host */
.vm_vuart = true,
.bootargs = "root=/dev/sda rw rootwait noxsave maxcpus=2 nohpet console=hvc0 \
console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
consoleblank=0 tsc=reliable",
.vpci_vdev_array = &vpci_vdev_array1,
},
{
/* vm2 */
.vm_hw_num_cores = 2,
.vpci_vdev_array = &vpci_vdev_array2,
},
}
{
/* Internal variable, MUSTBE init to -1 */
.vm_hw_num_cores = VM2_NUM_CPUS,
.vm_pcpu_ids = &VM2_CPUS[0],
.vm_id = 2U,
.start_hpa = 0x180000000UL,
.mem_size = 0x80000000UL, /* uses contiguous memory from host */
.vm_vuart = true,
.bootargs = "root=/dev/sda rw rootwait noxsave maxcpus=2 nohpet console=hvc0 \
console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
consoleblank=0 tsc=reliable",
.vpci_vdev_array = &vpci_vdev_array2,
},
}
};
const struct vm_description_array *get_vm_desc_base(void)
{
return &vm_desc_partition;
}
const struct pcpu_vm_desc_mapping pcpu_vm_desc_map[] = {
{
.vm_desc_ptr = &vm_desc_partition.vm_desc_array[0],
.is_bsp = true,
},
{
.vm_desc_ptr = &vm_desc_partition.vm_desc_array[1],
.is_bsp = false,
},
{
.vm_desc_ptr = &vm_desc_partition.vm_desc_array[0],
.is_bsp = false,
},
{
.vm_desc_ptr = &vm_desc_partition.vm_desc_array[1],
.is_bsp = true,
},
};
const struct e820_entry e820_default_entries[NUM_E820_ENTRIES] = {
{ /* 0 to mptable */
.baseaddr = 0x0U,
.length = 0xEFFFFU,
.type = E820_TYPE_RAM
},
{ /* mptable */
.baseaddr = 0xF0000U,
.length = 0x10000U,
.type = E820_TYPE_RESERVED
},
{ /* mptable to lowmem */
.baseaddr = 0x100000U,
.length = 0x7FF00000U,
.type = E820_TYPE_RAM
},
{ /* lowmem to PCI hole */
.baseaddr = 0x80000000U,
.length = 0x40000000U,
.type = E820_TYPE_RESERVED
},
{ /* PCI hole to 4G */
.baseaddr = 0xe0000000U,
.length = 0x20000000U,
.type = E820_TYPE_RESERVED
},
};