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hv: dm: Use new virtual device management ioctls

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IC_ADD_HV_VDEV		->	ACRN_IOCTL_CREATE_VDEV
IC_REMOVE_HV_VDEV	->	ACRN_IOCTL_DESTROY_VDEV
struct acrn_emul_dev	->	struct acrn_vdev

Also, move struct acrn_vdev to acrn_common.h as this structure is used
by both DM and HV.

Tracked-On: #6282
Signed-off-by: Shuo A Liu <shuo.a.liu@intel.com>
This commit is contained in:
Shuo A Liu 2021-07-07 17:23:40 +08:00 committed by wenlingz
parent 9e7abbb38c
commit 98c80d75b8
16 changed files with 77 additions and 126 deletions
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8
devicemodel/core/vmmapi.c
View File

@ -596,15 +596,15 @@ vm_unmap_ptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
}
int
vm_add_hv_vdev(struct vmctx *ctx, struct acrn_emul_dev *dev)
vm_add_hv_vdev(struct vmctx *ctx, struct acrn_vdev *dev)
{
return ioctl(ctx->fd, IC_ADD_HV_VDEV, dev);
return ioctl(ctx->fd, ACRN_IOCTL_CREATE_VDEV, dev);
}
int
vm_remove_hv_vdev(struct vmctx *ctx, struct acrn_emul_dev *dev)
vm_remove_hv_vdev(struct vmctx *ctx, struct acrn_vdev *dev)
{
return ioctl(ctx->fd, IC_REMOVE_HV_VDEV, dev);
return ioctl(ctx->fd, ACRN_IOCTL_DESTROY_VDEV, dev);
}
int

12
devicemodel/hw/pci/ivshmem.c
View File

@ -147,11 +147,11 @@ static int
create_ivshmem_from_hv(struct vmctx *ctx, struct pci_vdev *vdev,
const char *shm_name, uint32_t shm_size)
{
struct acrn_emul_dev dev = {};
struct acrn_vdev dev = {};
uint64_t addr = 0;
dev.dev_id.fields.vendor_id = IVSHMEM_VENDOR_ID;
dev.dev_id.fields.device_id = IVSHMEM_DEVICE_ID;
dev.id.fields.vendor = IVSHMEM_VENDOR_ID;
dev.id.fields.device = IVSHMEM_DEVICE_ID;
dev.slot = PCI_BDF(vdev->bus, vdev->slot, vdev->func);
dev.io_addr[IVSHMEM_MMIO_BAR] = pci_get_cfgdata32(vdev,
PCIR_BAR(IVSHMEM_MMIO_BAR));
@ -347,10 +347,10 @@ static void
destroy_ivshmem_from_hv(struct vmctx *ctx, struct pci_vdev *vdev)
{
struct acrn_emul_dev emul_dev = {};
struct acrn_vdev emul_dev = {};
emul_dev.dev_id.fields.vendor_id = IVSHMEM_VENDOR_ID;
emul_dev.dev_id.fields.device_id = IVSHMEM_DEVICE_ID;
emul_dev.id.fields.vendor = IVSHMEM_VENDOR_ID;
emul_dev.id.fields.device = IVSHMEM_DEVICE_ID;
emul_dev.slot = PCI_BDF(vdev->bus, vdev->slot, vdev->func);
vm_remove_hv_vdev(ctx, &emul_dev);
}

6
devicemodel/hw/pci/ptm.c
View File

@ -69,11 +69,11 @@ add_vroot_port(struct vmctx *ctx, struct passthru_dev *ptdev, struct pci_device
int offset = 0;
uint32_t dev_cap = 0;
struct acrn_emul_dev rp_vdev = {};
struct acrn_vdev rp_vdev = {};
struct vrp_config *rp_priv = (struct vrp_config *)&rp_vdev.args;
rp_vdev.dev_id.fields.vendor_id = PTM_ROOT_PORT_VENDOR;
rp_vdev.dev_id.fields.device_id = PTM_ROOT_PORT_DEVICE;
rp_vdev.id.fields.vendor = PTM_ROOT_PORT_VENDOR;
rp_vdev.id.fields.device = PTM_ROOT_PORT_DEVICE;
// virtual root port takes bdf from its downstream device
rp_vdev.slot = PCI_BDF(ptdev->dev->bus, ptdev->dev->slot, ptdev->dev->func);

12
devicemodel/hw/pci/uart.c
View File

@ -89,7 +89,7 @@ pci_uart_init(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
char *tmp, *val = NULL;
bool is_hv_land = false;
uint32_t vuart_idx;
struct acrn_emul_dev vdev = {};
struct acrn_vdev vdev = {};
int32_t err = 0;
if (opts != NULL) {
@ -116,8 +116,8 @@ pci_uart_init(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
pci_emul_alloc_bar(dev, 0, PCIBAR_MEM32, 256);
pci_emul_alloc_bar(dev, 1, PCIBAR_MEM32, PAGE_SIZE);
dev->arg = NULL;
vdev.dev_id.fields.vendor_id = COM_VENDOR;
vdev.dev_id.fields.device_id = COM_DEV;
vdev.id.fields.vendor = COM_VENDOR;
vdev.id.fields.device = COM_DEV;
vdev.slot = PCI_BDF(dev->bus, dev->slot, dev->func);
vdev.io_addr[0] = pci_get_cfgdata32(dev, PCIR_BAR(0));
vdev.io_addr[1] = pci_get_cfgdata32(dev, PCIR_BAR(1));
@ -150,11 +150,11 @@ static void
pci_uart_deinit(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
{
struct uart_vdev *uart = (struct uart_vdev *)dev->arg;
struct acrn_emul_dev emul_dev = {};
struct acrn_vdev emul_dev = {};
if (uart == NULL) {
emul_dev.dev_id.fields.vendor_id = COM_VENDOR;
emul_dev.dev_id.fields.device_id = COM_DEV;
emul_dev.id.fields.vendor = COM_VENDOR;
emul_dev.id.fields.device = COM_DEV;
emul_dev.slot = PCI_BDF(dev->bus, dev->slot, dev->func);
vm_remove_hv_vdev(ctx, &emul_dev);
return;

50
devicemodel/include/public/hsm_ioctl_defs.h
View File

@ -112,7 +112,6 @@
_IOW(ACRN_IOCTL_TYPE, 0x42, struct acrn_vm_memmap)
/* PCI assignment*/
#define IC_ID_PCI_BASE 0x50UL
#define ACRN_IOCTL_SET_PTDEV_INTR \
_IOW(ACRN_IOCTL_TYPE, 0x53, struct acrn_ptdev_irq)
#define ACRN_IOCTL_RESET_PTDEV_INTR \
@ -125,8 +124,10 @@
_IOW(ACRN_IOCTL_TYPE, 0x57, struct acrn_mmiodev)
#define ACRN_IOCTL_DEASSIGN_MMIODEV \
_IOW(ACRN_IOCTL_TYPE, 0x58, struct acrn_mmiodev)
#define IC_ADD_HV_VDEV _IC_ID(IC_ID, IC_ID_PCI_BASE + 0x09)
#define IC_REMOVE_HV_VDEV _IC_ID(IC_ID, IC_ID_PCI_BASE + 0x0A)
#define ACRN_IOCTL_CREATE_VDEV \
_IOW(ACRN_IOCTL_TYPE, 0x59, struct acrn_vdev)
#define ACRN_IOCTL_DESTROY_VDEV \
_IOW(ACRN_IOCTL_TYPE, 0x5A, struct acrn_vdev)
/* Power management */
#define IC_ID_PM_BASE 0x60UL
@ -182,49 +183,6 @@ struct acrn_vm_memmap {
__u64 len;
};
/**
* @brief Info to create or destroy a virtual PCI or legacy device for a VM
*
* the parameter for HC_CREATE_VDEV or HC_DESTROY_VDEV hypercall
*/
struct acrn_emul_dev {
/*
* the identifier of the device, the low 32 bits represent the vendor
* id and device id of PCI device and the high 32 bits represent the
* device number of the legacy device
*/
union dev_id_info {
uint64_t value;
struct fields_info {
uint16_t vendor_id;
uint16_t device_id;
uint32_t legacy_device_number;
} fields;
} dev_id;
/*
* the slot of the device, if the device is a PCI device, the slot
* represents BDF, otherwise it represents legacy device slot number
*/
uint32_t slot;
/** reserved for extension */
uint32_t reserved0;
/** the IO resource address of the device, initialized by ACRN-DM. */
uint32_t io_addr[6];
/** the IO resource size of the device, initialized by ACRN-DM. */
uint32_t io_size[6];
/** the options for the virtual device, initialized by ACRN-DM. */
uint8_t args[128];
/** reserved for extension */
uint64_t reserved1[8];
} __attribute__((aligned(8)));
/* Type of interrupt of a passthrough device */
#define ACRN_PTDEV_IRQ_INTX 0
#define ACRN_PTDEV_IRQ_MSI 1

4
devicemodel/include/vmmapi.h
View File

@ -137,8 +137,8 @@ int vm_set_ptdev_intx_info(struct vmctx *ctx, uint16_t virt_bdf,
uint16_t phys_bdf, int virt_pin, int phys_pin, bool pic_pin);
int vm_reset_ptdev_intx_info(struct vmctx *ctx, uint16_t virt_bdf,
uint16_t phys_bdf, int virt_pin, bool pic_pin);
int vm_add_hv_vdev(struct vmctx *ctx, struct acrn_emul_dev *dev);
int vm_remove_hv_vdev(struct vmctx *ctx, struct acrn_emul_dev *dev);
int vm_add_hv_vdev(struct vmctx *ctx, struct acrn_vdev *dev);
int vm_remove_hv_vdev(struct vmctx *ctx, struct acrn_vdev *dev);
int acrn_parse_cpu_affinity(char *arg);
uint64_t vm_get_cpu_affinity_dm(void);

14
hypervisor/common/hypercall.c
View File

@ -30,7 +30,7 @@
#define DBG_LEVEL_HYCALL 6U
typedef int32_t (*emul_dev_create) (struct acrn_vm *vm, struct acrn_emul_dev *dev);
typedef int32_t (*emul_dev_create) (struct acrn_vm *vm, struct acrn_vdev *dev);
typedef int32_t (*emul_dev_destroy) (struct pci_vdev *vdev);
struct emul_dev_ops {
/*
@ -1241,13 +1241,13 @@ int32_t hcall_set_callback_vector(__unused struct acrn_vcpu *vcpu, __unused stru
/*
* @pre dev != NULL
*/
static struct emul_dev_ops *find_emul_dev_ops(struct acrn_emul_dev *dev)
static struct emul_dev_ops *find_emul_dev_ops(struct acrn_vdev *dev)
{
struct emul_dev_ops *op = NULL;
uint32_t i;
for (i = 0U; i < ARRAY_SIZE(emul_dev_ops_tbl); i++) {
if (emul_dev_ops_tbl[i].dev_id == dev->dev_id.value) {
if (emul_dev_ops_tbl[i].dev_id == dev->id.value) {
op = &emul_dev_ops_tbl[i];
break;
}
@ -1261,7 +1261,7 @@ static struct emul_dev_ops *find_emul_dev_ops(struct acrn_emul_dev *dev)
* @param vcpu Pointer to vCPU that initiates the hypercall
* @param target_vm Pointer to target VM data structure
* @param param guest physical address. This gpa points to data structure of
* acrn_emul_dev including information about PCI or legacy devices
* acrn_vdev including information about PCI or legacy devices
*
* @pre is_sos_vm(vcpu->vm)
* @return 0 on success, non-zero on error.
@ -1270,7 +1270,7 @@ int32_t hcall_add_vdev(struct acrn_vcpu *vcpu, struct acrn_vm *target_vm, __unus
{
struct acrn_vm *vm = vcpu->vm;
int32_t ret = -EINVAL;
struct acrn_emul_dev dev;
struct acrn_vdev dev;
struct emul_dev_ops *op;
/* We should only create a device to a post-launched VM at creating time for safety, not runtime or other cases*/
@ -1293,7 +1293,7 @@ int32_t hcall_add_vdev(struct acrn_vcpu *vcpu, struct acrn_vm *target_vm, __unus
* @param vcpu Pointer to vCPU that initiates the hypercall
* @param target_vm Pointer to target VM data structure
* @param param guest physical address. This gpa points to data structure of
* acrn_emul_dev including information about PCI or legacy devices
* acrn_vdev including information about PCI or legacy devices
*
* @pre is_sos_vm(vcpu->vm)
* @return 0 on success, non-zero on error.
@ -1302,7 +1302,7 @@ int32_t hcall_remove_vdev(struct acrn_vcpu *vcpu, struct acrn_vm *target_vm, __u
{
struct acrn_vm *vm = vcpu->vm;
int32_t ret = -EINVAL;
struct acrn_emul_dev dev;
struct acrn_vdev dev;
struct pci_vdev *vdev;
struct emul_dev_ops *op;
union pci_bdf bdf;

2
hypervisor/dm/vpci/ivshmem.c
View File

@ -361,7 +361,7 @@ static void deinit_ivshmem_vdev(struct pci_vdev *vdev)
* @pre vm != NULL
* @pre dev != NULL
*/
int32_t create_ivshmem_vdev(struct acrn_vm *vm, struct acrn_emul_dev *dev)
int32_t create_ivshmem_vdev(struct acrn_vm *vm, struct acrn_vdev *dev)
{
uint32_t i;
struct acrn_vm_config *vm_config = get_vm_config(vm->vm_id);

2
hypervisor/dm/vpci/vmcs9900.c
View File

@ -163,7 +163,7 @@ const struct pci_vdev_ops vmcs9900_ops = {
.read_vdev_cfg = read_vmcs9900_cfg,
};
int32_t create_vmcs9900_vdev(struct acrn_vm *vm, struct acrn_emul_dev *dev)
int32_t create_vmcs9900_vdev(struct acrn_vm *vm, struct acrn_vdev *dev)
{
uint32_t i;
struct acrn_vm_config *vm_config = get_vm_config(vm->vm_id);

4
hypervisor/dm/vpci/vroot_port.c
View File

@ -114,7 +114,7 @@ static void init_ptm(struct pci_vdev *vdev, struct vrp_config *vrp_config)
pci_vdev_write_vcfg(vdev, PCIR_SUBBUS_1, 1U, vrp_config->subordinate_bus);
}
int32_t create_vrp(struct acrn_vm *vm, struct acrn_emul_dev *dev)
int32_t create_vrp(struct acrn_vm *vm, struct acrn_vdev *dev)
{
struct acrn_vm_config *vm_config = get_vm_config(vm->vm_id);
struct acrn_vm_pci_dev_config *dev_config = NULL;
@ -128,7 +128,7 @@ int32_t create_vrp(struct acrn_vm *vm, struct acrn_emul_dev *dev)
pr_acrnlog("%s: virtual root port phy_bdf=0x%x, vbdf=0x%x, vendor_id=0x%x, dev_id=0x%x,\
primary_bus=0x%x, secondary_bus=0x%x, sub_bus=0x%x.\n",
__func__, vrp_config->phy_bdf, dev->slot,
dev->dev_id.fields.vendor_id, dev->dev_id.fields.device_id,
dev->id.fields.vendor, dev->id.fields.device,
vrp_config->primary_bus, vrp_config->secondary_bus, vrp_config->subordinate_bus);
for (i = 0U; i < vm_config->pci_dev_num; i++) {

4
hypervisor/include/common/hypercall.h
View File

@ -340,7 +340,7 @@ int32_t hcall_deassign_mmiodev(struct acrn_vcpu *vcpu, struct acrn_vm *target_vm
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to data structure of
* acrn_emul_dev including information about PCI or legacy devices
* acrn_vdev including information about PCI or legacy devices
*
* @pre is_sos_vm(vcpu->vm)
* @return 0 on success, non-zero on error.
@ -354,7 +354,7 @@ int32_t hcall_add_vdev(struct acrn_vcpu *vcpu, struct acrn_vm *target_vm, uint64
* @param target_vm Pointer to target VM data structure
* @param param1 not used
* @param param2 guest physical address. This gpa points to data structure of
* acrn_emul_dev including information about PCI or legacy devices
* acrn_vdev including information about PCI or legacy devices
*
* @pre is_sos_vm(vcpu->vm)
* @return 0 on success, non-zero on error.

2
hypervisor/include/dm/ivshmem.h
View File

@ -37,7 +37,7 @@ extern const struct pci_vdev_ops vpci_ivshmem_ops;
*/
void init_ivshmem_shared_memory(void);
int32_t create_ivshmem_vdev(struct acrn_vm *vm, struct acrn_emul_dev *dev);
int32_t create_ivshmem_vdev(struct acrn_vm *vm, struct acrn_vdev *dev);
int32_t destroy_ivshmem_vdev(struct pci_vdev *vdev);
#endif /* CONFIG_IVSHMEM_ENABLED */

2
hypervisor/include/dm/vmcs9900.h
View File

@ -12,7 +12,7 @@
extern const struct pci_vdev_ops vmcs9900_ops;
void trigger_vmcs9900_msix(struct pci_vdev *vdev);
int32_t create_vmcs9900_vdev(struct acrn_vm *vm, struct acrn_emul_dev *dev);
int32_t create_vmcs9900_vdev(struct acrn_vm *vm, struct acrn_vdev *dev);
int32_t destroy_vmcs9900_vdev(struct pci_vdev *vdev);
#endif

2
hypervisor/include/dm/vroot_port.h
View File

@ -15,7 +15,7 @@
extern const struct pci_vdev_ops vrp_ops;
int32_t create_vrp(struct acrn_vm *vm, struct acrn_emul_dev *dev);
int32_t create_vrp(struct acrn_vm *vm, struct acrn_vdev *dev);
int32_t destroy_vrp(struct pci_vdev *vdev);
#endif

36
hypervisor/include/public/acrn_common.h
View File

@ -750,6 +750,42 @@ struct acrn_mmiodev {
uint64_t size;
} __attribute__((aligned(8)));
/**
* @brief Info to create or destroy a virtual PCI or legacy device for a VM
*
* the parameter for HC_CREATE_VDEV or HC_DESTROY_VDEV hypercall
*/
struct acrn_vdev {
/*
* the identifier of the device, the low 32 bits represent the vendor
* id and device id of PCI device and the high 32 bits represent the
* device number of the legacy device
*/
union {
uint64_t value;
struct {
uint16_t vendor;
uint16_t device;
uint32_t legacy_id;
} fields;
} id;
/*
* the slot of the device, if the device is a PCI device, the slot
* represents BDF, otherwise it represents legacy device slot number
*/
uint64_t slot;
/** the IO resource address of the device, initialized by ACRN-DM. */
uint32_t io_addr[ACRN_PCI_NUM_BARS];
/** the IO resource size of the device, initialized by ACRN-DM. */
uint32_t io_size[ACRN_PCI_NUM_BARS];
/** the options for the virtual device, initialized by ACRN-DM. */
uint8_t args[128];
};
/**
* @}
*/

43
hypervisor/include/public/acrn_hv_defs.h
View File

@ -271,49 +271,6 @@ struct hc_ptdev_irq {
} __aligned(8);
/**
* @brief Info to create or destroy a virtual PCI or legacy device for a VM
*
* the parameter for HC_ADD_VDEV or HC_REMOVE_VDEV hypercall
*/
struct acrn_emul_dev {
/*
* the identifier of the device, the low 32 bits represent the vendor
* id and device id of PCI device and the high 32 bits represent the
* device number of the legacy device
*/
union dev_id_info {
uint64_t value;
struct fields_info {
uint16_t vendor_id;
uint16_t device_id;
uint32_t legacy_device_number;
} fields;
} dev_id;
/*
* the slot of the device, if the device is a PCI device, the slot
* represents BDF, otherwise it represents legacy device slot number
*/
uint32_t slot;
/** reserved for extension */
uint32_t reserved0;
/** the IO resource address of the device, initialized by ACRN-DM. */
uint32_t io_addr[6];
/** the IO resource size of the device, initialized by ACRN-DM. */
uint32_t io_size[6];
/** the options for the virtual device, initialized by ACRN-DM. */
uint8_t args[128];
/** reserved for extension */
uint64_t reserved1[8];
} __attribute__((aligned(8)));
/**
* Hypervisor api version info, return it for HC_GET_API_VERSION hypercall
*/