diff options
Diffstat (limited to 'include/hw/pci-host/spapr.h')
| -rw-r--r-- | include/hw/pci-host/spapr.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h index b4aad26798..53519c835e 100644 --- a/include/hw/pci-host/spapr.h +++ b/include/hw/pci-host/spapr.h @@ -87,6 +87,9 @@ struct SpaprPhbState { uint32_t mig_liobn; hwaddr mig_mem_win_addr, mig_mem_win_size; hwaddr mig_io_win_addr, mig_io_win_size; + hwaddr nv2_gpa_win_addr; + hwaddr nv2_atsd_win_addr; + struct spapr_phb_pci_nvgpu_config *nvgpus; }; #define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL @@ -105,6 +108,22 @@ struct SpaprPhbState { #define SPAPR_PCI_MSI_WINDOW 0x40000000000ULL +#define SPAPR_PCI_NV2RAM64_WIN_BASE SPAPR_PCI_LIMIT +#define SPAPR_PCI_NV2RAM64_WIN_SIZE (2 * TiB) /* For up to 6 GPUs 256GB each */ + +/* Max number of these GPUsper a physical box */ +#define NVGPU_MAX_NUM 6 +/* Max number of NVLinks per GPU in any physical box */ +#define NVGPU_MAX_LINKS 3 + +/* + * GPU RAM starts at 64TiB so huge DMA window to cover it all ends at 128TiB + * which is enough. We do not need DMA for ATSD so we put them at 128TiB. + */ +#define SPAPR_PCI_NV2ATSD_WIN_BASE (128 * TiB) +#define SPAPR_PCI_NV2ATSD_WIN_SIZE (NVGPU_MAX_NUM * NVGPU_MAX_LINKS * \ + 64 * KiB) + static inline qemu_irq spapr_phb_lsi_qirq(struct SpaprPhbState *phb, int pin) { SpaprMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); @@ -135,6 +154,13 @@ int spapr_phb_vfio_eeh_get_state(SpaprPhbState *sphb, int *state); int spapr_phb_vfio_eeh_reset(SpaprPhbState *sphb, int option); int spapr_phb_vfio_eeh_configure(SpaprPhbState *sphb); void spapr_phb_vfio_reset(DeviceState *qdev); +void spapr_phb_nvgpu_setup(SpaprPhbState *sphb, Error **errp); +void spapr_phb_nvgpu_free(SpaprPhbState *sphb); +void spapr_phb_nvgpu_populate_dt(SpaprPhbState *sphb, void *fdt, int bus_off, + Error **errp); +void spapr_phb_nvgpu_ram_populate_dt(SpaprPhbState *sphb, void *fdt); +void spapr_phb_nvgpu_populate_pcidev_dt(PCIDevice *dev, void *fdt, int offset, + SpaprPhbState *sphb); #else static inline bool spapr_phb_eeh_available(SpaprPhbState *sphb) { @@ -161,6 +187,25 @@ static inline int spapr_phb_vfio_eeh_configure(SpaprPhbState *sphb) static inline void spapr_phb_vfio_reset(DeviceState *qdev) { } +static inline void spapr_phb_nvgpu_setup(SpaprPhbState *sphb, Error **errp) +{ +} +static inline void spapr_phb_nvgpu_free(SpaprPhbState *sphb) +{ +} +static inline void spapr_phb_nvgpu_populate_dt(SpaprPhbState *sphb, void *fdt, + int bus_off, Error **errp) +{ +} +static inline void spapr_phb_nvgpu_ram_populate_dt(SpaprPhbState *sphb, + void *fdt) +{ +} +static inline void spapr_phb_nvgpu_populate_pcidev_dt(PCIDevice *dev, void *fdt, + int offset, + SpaprPhbState *sphb) +{ +} #endif void spapr_phb_dma_reset(SpaprPhbState *sphb); |