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dm: remove vm_get_config() API

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This API depends on GET_PLATFORM_INFO ioctl command,
 which will not be supported from ACRN HSM anymore.

 This patch removes the definition of it and
 also cleans related data structure.

Tracked-On: #6690
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Yonghua Huang 2022-01-25 06:08:50 +03:00 committed by acrnsi-robot
parent e0a01a12d9
commit dd2d1a5610
3 changed files with 0 additions and 102 deletions
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58
devicemodel/core/vmmapi.c
View File

@ -643,61 +643,3 @@ vm_irqfd(struct vmctx *ctx, struct acrn_irqfd *args)
{
return ioctl(ctx->fd, ACRN_IOCTL_IRQFD, args);
}
int
vm_get_config(struct vmctx *ctx, struct acrn_vm_config_header *vm_cfg, struct acrn_platform_info *plat_info)
{
int i, err = 0;
int configs_size;
uint8_t *configs_buff = NULL;
struct acrn_vm_config_header *pcfg;
struct acrn_platform_info platform_info;
if ((ctx == NULL) || (vm_cfg == NULL))
return -1;
/* The first IOCTL to get max_vm and vm_config size of a VM */
bzero(&platform_info, sizeof(platform_info));
err = ioctl(ctx->fd, ACRN_IOCTL_GET_PLATFORM_INFO, &platform_info);
if (err) {
pr_err("%s: IOCTL first time failed!\n", __func__);
goto exit;
}
configs_size = platform_info.sw.max_vms * platform_info.sw.vm_config_size;
configs_buff = calloc(1, configs_size);
if (configs_buff == NULL) {
pr_err("%s, Allocate memory fail.\n", __func__);
return -1;
}
platform_info.sw.vm_configs_addr = configs_buff;
err = ioctl(ctx->fd, ACRN_IOCTL_GET_PLATFORM_INFO, &platform_info);
if (err) {
pr_err("%s: IOCTL second time failed!\n", __func__);
goto exit;
}
for (i = 0; i < platform_info.sw.max_vms; i++) {
pcfg = (struct acrn_vm_config_header *)(configs_buff + (i * platform_info.sw.vm_config_size));
if (!strncmp(ctx->name, pcfg->name, strnlen(ctx->name, MAX_VM_NAME_LEN)))
break;
}
if (i == platform_info.sw.max_vms) {
pr_err("%s, Not found target VM.\n", __func__);
err = -1;
goto exit;
}
memcpy((void *)vm_cfg, (void *)pcfg, sizeof(struct acrn_vm_config_header));
if (plat_info != NULL) {
memcpy((void *)plat_info, (void *)&platform_info, sizeof(struct acrn_platform_info));
pr_info("%s, l2_cat_shift=%u, l3_cat_shift=%u\n",
__func__, platform_info.hw.l2_cat_shift, platform_info.hw.l3_cat_shift);
}
exit:
free(configs_buff);
return err;
}

42
devicemodel/include/public/hsm_ioctl_defs.h
View File

@ -69,9 +69,6 @@
/*
* Common IOCTL IDs definition for ACRN userspace
*/
#define ACRN_IOCTL_GET_PLATFORM_INFO \
_IOR(ACRN_IOCTL_TYPE, 0x03, struct acrn_platform_info)
#define ACRN_IOCTL_CREATE_VM \
_IOWR(ACRN_IOCTL_TYPE, 0x10, struct acrn_vm_creation)
#define ACRN_IOCTL_DESTROY_VM \
@ -223,45 +220,6 @@ struct acrn_ioreq_notify {
};
#define ACRN_PLATFORM_LAPIC_IDS_MAX 64
/**
* @brief - Information of a platform from hypervisor
*
* If vm_configs_addr is provided, the driver uses a bounce buffer (kmalloced
* for continuous memory region) to fetch VM configurations data from the
* hypervisor.
*/
struct acrn_platform_info {
struct {
/** Physical CPU number of the platform */
__u16 cpu_num;
/** Version of this structure */
__u16 version;
/** Order of the number of threads sharing L2 cache */
__u32 l2_cat_shift;
/** Order of the number of threads sharing L3 cache */
__u32 l3_cat_shift;
/** IDs of LAPICs of all threads */
__u8 lapic_ids[ACRN_PLATFORM_LAPIC_IDS_MAX];
/** Reserved for alignment and should be 0 */
__u8 reserved[52];
} hw;
struct {
/** Maximum number of vCPU of a VM */
__u16 max_vcpus_per_vm;
/** Maximum number of VM */
__u16 max_vms;
/** Size of configuration of a VM */
__u32 vm_config_size;
/** Memory address which user space provided to
* store the VM configurations
*/
void *vm_configs_addr;
__u8 reserved[112];
} sw;
};
struct acrn_ioeventfd {
#define ACRN_IOEVENTFD_FLAG_PIO 0x01
#define ACRN_IOEVENTFD_FLAG_DATAMATCH 0x02

2
devicemodel/include/vmmapi.h
View File

@ -150,6 +150,4 @@ void vm_reset_watchdog(struct vmctx *ctx);
int vm_ioeventfd(struct vmctx *ctx, struct acrn_ioeventfd *args);
int vm_irqfd(struct vmctx *ctx, struct acrn_irqfd *args);
int vm_get_config(struct vmctx *ctx, struct acrn_vm_config_header *vm_cfg,
struct acrn_platform_info *plat_info);
#endif /* _VMMAPI_H_ */