SBI_CTL_OP_MASK
#define SBI_CTL_OP_IORD REG_FIELD_PREP(SBI_CTL_OP_MASK, 2)
#define SBI_CTL_OP_IOWR REG_FIELD_PREP(SBI_CTL_OP_MASK, 3)
#define SBI_CTL_OP_CRRD REG_FIELD_PREP(SBI_CTL_OP_MASK, 6)
#define SBI_CTL_OP_CRWR REG_FIELD_PREP(SBI_CTL_OP_MASK, 7)
if ((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_CTL_OP_MASK) == SBI_CTL_OP_CRRD) {
if ((vgpu_vreg_t(vgpu, SBI_CTL_STAT) & SBI_CTL_OP_MASK) == SBI_CTL_OP_CRWR) {