Re: [Qemu-devel] [PATCH 20/21] ppc/pnv: Add model for Power8 PHB3 PCIe Host bridge

[Cédric Le Goater]

On 04/10/2017 10:14 AM, David Gibson wrote:
> +/* Copyright (c) 2013-2017, IBM Corporation.
> + *
> + * Licensed under the Apache License, Version 2.0 (the "License");
> + * you may not use this file except in compliance with the License.
> + * You may obtain a copy of the License at
> + *
> + *      http://www.apache.org/licenses/LICENSE-2.0
> + *
> + * Unless required by applicable law or agreed to in writing, software
> + * distributed under the License is distributed on an "AS IS" BASIS,
> + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
> + * implied.
> + * See the License for the specific language governing permissions and
> + * limitations under the License.
> + */
> +
> +#ifndef PCI_HOST_PNV_PHB3_REGS_H
> +#define PCI_HOST_PNV_PHB3_REGS_H
> +
> +#define PPC_BIT(bit)            (0x8000000000000000UL >> (bit))
> +#define PPC_BIT32(bit)          (0x80000000UL >> (bit))
> +#define PPC_BIT8(bit)           (0x80UL >> (bit))
> +#define PPC_BITMASK(bs, be)     ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs))
> +#define PPC_BITMASK32(bs, be)   ((PPC_BIT32(bs) - PPC_BIT32(be)) | \
> +                                 PPC_BIT32(bs))
> +#define PPC_BITLSHIFT(be)       (63 - (be))
> +#define PPC_BITLSHIFT32(be)     (31 - (be))

These could probably be defined for all hw/ppc/ and target/ppc to use ? 

C.