diff options
Diffstat (limited to 'hw/spapr_vio.h')
| -rw-r--r-- | hw/spapr_vio.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/hw/spapr_vio.h b/hw/spapr_vio.h index 2013927..9d864c2 100644 --- a/hw/spapr_vio.h +++ b/hw/spapr_vio.h @@ -21,12 +21,29 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/>. */ +#define SPAPR_VIO_TCE_PAGE_SHIFT 12 +#define SPAPR_VIO_TCE_PAGE_SIZE (1ULL << SPAPR_VIO_TCE_PAGE_SHIFT) +#define SPAPR_VIO_TCE_PAGE_MASK (SPAPR_VIO_TCE_PAGE_SIZE - 1) + +enum VIOsPAPR_TCEAccess { + SPAPR_TCE_FAULT = 0, + SPAPR_TCE_RO = 1, + SPAPR_TCE_WO = 2, + SPAPR_TCE_RW = 3, +}; + +typedef struct VIOsPAPR_RTCE { + uint64_t tce; +} VIOsPAPR_RTCE; + typedef struct VIOsPAPRDevice { DeviceState qdev; uint32_t reg; qemu_irq qirq; uint32_t vio_irq_num; target_ulong signal_state; + uint32_t rtce_window_size; + VIOsPAPR_RTCE *rtce_table; } VIOsPAPRDevice; typedef struct VIOsPAPRBus { @@ -49,6 +66,21 @@ extern int spapr_populate_vdevice(VIOsPAPRBus *bus, void *fdt); extern int spapr_vio_signal(VIOsPAPRDevice *dev, target_ulong mode); +int spapr_vio_check_tces(VIOsPAPRDevice *dev, target_ulong ioba, + target_ulong len, + enum VIOsPAPR_TCEAccess access); + +int spapr_tce_dma_read(VIOsPAPRDevice *dev, uint64_t taddr, + void *buf, uint32_t size); +int spapr_tce_dma_write(VIOsPAPRDevice *dev, uint64_t taddr, + const void *buf, uint32_t size); +int spapr_tce_dma_zero(VIOsPAPRDevice *dev, uint64_t taddr, uint32_t size); +void stb_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint8_t val); +void sth_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint16_t val); +void stw_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint32_t val); +void stq_tce(VIOsPAPRDevice *dev, uint64_t taddr, uint64_t val); +uint64_t ldq_tce(VIOsPAPRDevice *dev, uint64_t taddr); + void vty_putchars(VIOsPAPRDevice *sdev, uint8_t *buf, int len); void spapr_vty_create(VIOsPAPRBus *bus, uint32_t reg, CharDriverState *chardev, |