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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Markus Armbruster <armbru@redhat.com>, qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, "Cédric Le Goater" <clg@kaod.org>,
	"Daniel Henrique Barboza" <danielhb413@gmail.com>
Subject: Re: [PULL 09/12] include/hw/ppc: Split pnv_chip.h off pnv.h
Date: Mon, 23 Jan 2023 10:44:14 +0100	[thread overview]
Message-ID: <d8106f3d-ee31-ca51-40ba-4329238851de@linaro.org> (raw)
In-Reply-To: <20230120070122.3982588-10-armbru@redhat.com>

Hi Markus,

On 20/1/23 08:01, Markus Armbruster wrote:
> PnvChipClass, PnvChip, Pnv8Chip, Pnv9Chip, and Pnv10Chip are defined
> in pnv.h.  Many users of the header don't actually need them.  One
> instance is this inclusion loop: hw/ppc/pnv_homer.h includes
> hw/ppc/pnv.h for typedef PnvChip, and vice versa for struct PnvHomer.
> 
> Similar structs live in their own headers: PnvHomerClass and PnvHomer
> in pnv_homer.h, PnvLpcClass and PnvLpcController in pci_lpc.h,
> PnvPsiClass, PnvPsi, Pnv8Psi, Pnv9Psi, Pnv10Psi in pnv_psi.h, ...
> 
> Move PnvChipClass, PnvChip, Pnv8Chip, Pnv9Chip, and Pnv10Chip to new
> pnv_chip.h, and adjust include directives.  This breaks the inclusion
> loop mentioned above.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> Reviewed-by: Cédric Le Goater <clg@kaod.org>
> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
> Message-Id: <20221222104628.659681-2-armbru@redhat.com>
> ---
>   include/hw/ppc/pnv.h       | 143 +-----------------------------------
>   include/hw/ppc/pnv_chip.h  | 147 +++++++++++++++++++++++++++++++++++++
>   hw/intc/pnv_xive.c         |   1 +
>   hw/intc/pnv_xive2.c        |   1 +
>   hw/pci-host/pnv_phb3.c     |   1 +
>   hw/pci-host/pnv_phb4_pec.c |   1 +
>   hw/ppc/pnv.c               |   3 +
>   hw/ppc/pnv_core.c          |   1 +
>   hw/ppc/pnv_homer.c         |   1 +
>   hw/ppc/pnv_lpc.c           |   1 +
>   hw/ppc/pnv_xscom.c         |   1 +
>   11 files changed, 160 insertions(+), 141 deletions(-)
>   create mode 100644 include/hw/ppc/pnv_chip.h
> 
> diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
> index 9ef7e2d0dc..ca49e4281d 100644
> --- a/include/hw/ppc/pnv.h
> +++ b/include/hw/ppc/pnv.h
> @@ -20,158 +20,19 @@
>   #ifndef PPC_PNV_H
>   #define PPC_PNV_H
>   
> +#include "cpu.h"

Why is "cpu.h" required here? For pnv_chip_find_cpu()?

Isn't "target/ppc/cpu-qom.h" enough?

>   #include "hw/boards.h"
>   #include "hw/sysbus.h"
>   #include "hw/ipmi/ipmi.h"
> -#include "hw/ppc/pnv_lpc.h"
>   #include "hw/ppc/pnv_pnor.h"
> -#include "hw/ppc/pnv_psi.h"
> -#include "hw/ppc/pnv_occ.h"
> -#include "hw/ppc/pnv_sbe.h"
> -#include "hw/ppc/pnv_homer.h"
> -#include "hw/ppc/pnv_xive.h"
> -#include "hw/ppc/pnv_core.h"
> -#include "hw/pci-host/pnv_phb3.h"
> -#include "hw/pci-host/pnv_phb4.h"
>   #include "hw/pci-host/pnv_phb.h"
> -#include "qom/object.h"
>   
>   #define TYPE_PNV_CHIP "pnv-chip"
> -OBJECT_DECLARE_TYPE(PnvChip, PnvChipClass,
> -                    PNV_CHIP)
>   
> -struct PnvChip {
> -    /*< private >*/
> -    SysBusDevice parent_obj;
> -
> -    /*< public >*/
> -    uint32_t     chip_id;
> -    uint64_t     ram_start;
> -    uint64_t     ram_size;
> -
> -    uint32_t     nr_cores;
> -    uint32_t     nr_threads;
> -    uint64_t     cores_mask;
> -    PnvCore      **cores;
> -
> -    uint32_t     num_pecs;
> -
> -    MemoryRegion xscom_mmio;
> -    MemoryRegion xscom;
> -    AddressSpace xscom_as;
> -
> -    MemoryRegion *fw_mr;
> -    gchar        *dt_isa_nodename;
> -};
> -
> -#define TYPE_PNV8_CHIP "pnv8-chip"
> +typedef struct PnvChip PnvChip;
>   typedef struct Pnv8Chip Pnv8Chip;
> -DECLARE_INSTANCE_CHECKER(Pnv8Chip, PNV8_CHIP,
> -                         TYPE_PNV8_CHIP)
> -
> -struct Pnv8Chip {
> -    /*< private >*/
> -    PnvChip      parent_obj;
> -
> -    /*< public >*/
> -    MemoryRegion icp_mmio;
> -
> -    PnvLpcController lpc;
> -    Pnv8Psi      psi;
> -    PnvOCC       occ;
> -    PnvHomer     homer;
> -
> -#define PNV8_CHIP_PHB3_MAX 4
> -    /*
> -     * The array is used to allow quick access to the phbs by
> -     * pnv_ics_get_child() and pnv_ics_resend_child().
> -     */
> -    PnvPHB       *phbs[PNV8_CHIP_PHB3_MAX];
> -    uint32_t     num_phbs;
> -
> -    XICSFabric    *xics;
> -};
> -
> -#define TYPE_PNV9_CHIP "pnv9-chip"
>   typedef struct Pnv9Chip Pnv9Chip;
> -DECLARE_INSTANCE_CHECKER(Pnv9Chip, PNV9_CHIP,
> -                         TYPE_PNV9_CHIP)
> -
> -struct Pnv9Chip {
> -    /*< private >*/
> -    PnvChip      parent_obj;
> -
> -    /*< public >*/
> -    PnvXive      xive;
> -    Pnv9Psi      psi;
> -    PnvLpcController lpc;
> -    PnvOCC       occ;
> -    PnvSBE       sbe;
> -    PnvHomer     homer;
> -
> -    uint32_t     nr_quads;
> -    PnvQuad      *quads;
> -
> -#define PNV9_CHIP_MAX_PEC 3
> -    PnvPhb4PecState pecs[PNV9_CHIP_MAX_PEC];
> -};
> -
> -/*
> - * A SMT8 fused core is a pair of SMT4 cores.
> - */
> -#define PNV9_PIR2FUSEDCORE(pir) (((pir) >> 3) & 0xf)
> -#define PNV9_PIR2CHIP(pir)      (((pir) >> 8) & 0x7f)
> -
> -#define TYPE_PNV10_CHIP "pnv10-chip"
>   typedef struct Pnv10Chip Pnv10Chip;
> -DECLARE_INSTANCE_CHECKER(Pnv10Chip, PNV10_CHIP,
> -                         TYPE_PNV10_CHIP)
> -
> -struct Pnv10Chip {
> -    /*< private >*/
> -    PnvChip      parent_obj;
> -
> -    /*< public >*/
> -    PnvXive2     xive;
> -    Pnv9Psi      psi;
> -    PnvLpcController lpc;
> -    PnvOCC       occ;
> -    PnvSBE       sbe;
> -    PnvHomer     homer;
> -
> -    uint32_t     nr_quads;
> -    PnvQuad      *quads;
> -
> -#define PNV10_CHIP_MAX_PEC 2
> -    PnvPhb4PecState pecs[PNV10_CHIP_MAX_PEC];
> -};
> -
> -#define PNV10_PIR2FUSEDCORE(pir) (((pir) >> 3) & 0xf)
> -#define PNV10_PIR2CHIP(pir)      (((pir) >> 8) & 0x7f)
> -
> -struct PnvChipClass {
> -    /*< private >*/
> -    SysBusDeviceClass parent_class;
> -
> -    /*< public >*/
> -    uint64_t     chip_cfam_id;
> -    uint64_t     cores_mask;
> -    uint32_t     num_pecs;
> -    uint32_t     num_phbs;
> -
> -    DeviceRealize parent_realize;
> -
> -    uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
> -    void (*intc_create)(PnvChip *chip, PowerPCCPU *cpu, Error **errp);
> -    void (*intc_reset)(PnvChip *chip, PowerPCCPU *cpu);
> -    void (*intc_destroy)(PnvChip *chip, PowerPCCPU *cpu);
> -    void (*intc_print_info)(PnvChip *chip, PowerPCCPU *cpu, Monitor *mon);
> -    ISABus *(*isa_create)(PnvChip *chip, Error **errp);
> -    void (*dt_populate)(PnvChip *chip, void *fdt);
> -    void (*pic_print_info)(PnvChip *chip, Monitor *mon);
> -    uint64_t (*xscom_core_base)(PnvChip *chip, uint32_t core_id);
> -    uint32_t (*xscom_pcba)(PnvChip *chip, uint64_t addr);
> -};
>   
>   #define PNV_CHIP_TYPE_SUFFIX "-" TYPE_PNV_CHIP
>   #define PNV_CHIP_TYPE_NAME(cpu_model) cpu_model PNV_CHIP_TYPE_SUFFIX
> diff --git a/include/hw/ppc/pnv_chip.h b/include/hw/ppc/pnv_chip.h
> new file mode 100644
> index 0000000000..53e1d921d7
> --- /dev/null
> +++ b/include/hw/ppc/pnv_chip.h
> @@ -0,0 +1,147 @@
> +#ifndef PPC_PNV_CHIP_H
> +#define PPC_PNV_CHIP_H
> +
> +#include "hw/pci-host/pnv_phb4.h"
> +#include "hw/ppc/pnv_core.h"
> +#include "hw/ppc/pnv_homer.h"
> +#include "hw/ppc/pnv_lpc.h"
> +#include "hw/ppc/pnv_occ.h"
> +#include "hw/ppc/pnv_psi.h"
> +#include "hw/ppc/pnv_sbe.h"
> +#include "hw/ppc/pnv_xive.h"
> +#include "hw/sysbus.h"
> +
> +OBJECT_DECLARE_TYPE(PnvChip, PnvChipClass,
> +                    PNV_CHIP)
> +
> +struct PnvChip {
> +    /*< private >*/
> +    SysBusDevice parent_obj;
> +
> +    /*< public >*/
> +    uint32_t     chip_id;
> +    uint64_t     ram_start;
> +    uint64_t     ram_size;
> +
> +    uint32_t     nr_cores;
> +    uint32_t     nr_threads;
> +    uint64_t     cores_mask;
> +    PnvCore      **cores;
> +
> +    uint32_t     num_pecs;
> +
> +    MemoryRegion xscom_mmio;
> +    MemoryRegion xscom;
> +    AddressSpace xscom_as;
> +
> +    MemoryRegion *fw_mr;
> +    gchar        *dt_isa_nodename;
> +};
> +
> +#define TYPE_PNV8_CHIP "pnv8-chip"
> +DECLARE_INSTANCE_CHECKER(Pnv8Chip, PNV8_CHIP,
> +                         TYPE_PNV8_CHIP)
> +
> +struct Pnv8Chip {
> +    /*< private >*/
> +    PnvChip      parent_obj;
> +
> +    /*< public >*/
> +    MemoryRegion icp_mmio;
> +
> +    PnvLpcController lpc;
> +    Pnv8Psi      psi;
> +    PnvOCC       occ;
> +    PnvHomer     homer;
> +
> +#define PNV8_CHIP_PHB3_MAX 4
> +    /*
> +     * The array is used to allow quick access to the phbs by
> +     * pnv_ics_get_child() and pnv_ics_resend_child().
> +     */
> +    PnvPHB       *phbs[PNV8_CHIP_PHB3_MAX];
> +    uint32_t     num_phbs;
> +
> +    XICSFabric    *xics;
> +};
> +
> +#define TYPE_PNV9_CHIP "pnv9-chip"
> +DECLARE_INSTANCE_CHECKER(Pnv9Chip, PNV9_CHIP,
> +                         TYPE_PNV9_CHIP)
> +
> +struct Pnv9Chip {
> +    /*< private >*/
> +    PnvChip      parent_obj;
> +
> +    /*< public >*/
> +    PnvXive      xive;
> +    Pnv9Psi      psi;
> +    PnvLpcController lpc;
> +    PnvOCC       occ;
> +    PnvSBE       sbe;
> +    PnvHomer     homer;
> +
> +    uint32_t     nr_quads;
> +    PnvQuad      *quads;
> +
> +#define PNV9_CHIP_MAX_PEC 3
> +    PnvPhb4PecState pecs[PNV9_CHIP_MAX_PEC];
> +};
> +
> +/*
> + * A SMT8 fused core is a pair of SMT4 cores.
> + */
> +#define PNV9_PIR2FUSEDCORE(pir) (((pir) >> 3) & 0xf)
> +#define PNV9_PIR2CHIP(pir)      (((pir) >> 8) & 0x7f)
> +
> +#define TYPE_PNV10_CHIP "pnv10-chip"
> +DECLARE_INSTANCE_CHECKER(Pnv10Chip, PNV10_CHIP,
> +                         TYPE_PNV10_CHIP)
> +
> +struct Pnv10Chip {
> +    /*< private >*/
> +    PnvChip      parent_obj;
> +
> +    /*< public >*/
> +    PnvXive2     xive;
> +    Pnv9Psi      psi;
> +    PnvLpcController lpc;
> +    PnvOCC       occ;
> +    PnvSBE       sbe;
> +    PnvHomer     homer;
> +
> +    uint32_t     nr_quads;
> +    PnvQuad      *quads;
> +
> +#define PNV10_CHIP_MAX_PEC 2
> +    PnvPhb4PecState pecs[PNV10_CHIP_MAX_PEC];
> +};
> +
> +#define PNV10_PIR2FUSEDCORE(pir) (((pir) >> 3) & 0xf)
> +#define PNV10_PIR2CHIP(pir)      (((pir) >> 8) & 0x7f)
> +
> +struct PnvChipClass {
> +    /*< private >*/
> +    SysBusDeviceClass parent_class;
> +
> +    /*< public >*/
> +    uint64_t     chip_cfam_id;
> +    uint64_t     cores_mask;
> +    uint32_t     num_pecs;
> +    uint32_t     num_phbs;
> +
> +    DeviceRealize parent_realize;
> +
> +    uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
> +    void (*intc_create)(PnvChip *chip, PowerPCCPU *cpu, Error **errp);
> +    void (*intc_reset)(PnvChip *chip, PowerPCCPU *cpu);
> +    void (*intc_destroy)(PnvChip *chip, PowerPCCPU *cpu);
> +    void (*intc_print_info)(PnvChip *chip, PowerPCCPU *cpu, Monitor *mon);
> +    ISABus *(*isa_create)(PnvChip *chip, Error **errp);
> +    void (*dt_populate)(PnvChip *chip, void *fdt);
> +    void (*pic_print_info)(PnvChip *chip, Monitor *mon);
> +    uint64_t (*xscom_core_base)(PnvChip *chip, uint32_t core_id);
> +    uint32_t (*xscom_pcba)(PnvChip *chip, uint64_t addr);
> +};
> +
> +#endif


  reply	other threads:[~2023-01-23  9:45 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-20  7:01 [PULL 00/12] Header cleanup patches for 2023-01-20 Markus Armbruster
2023-01-20  7:01 ` [PULL 01/12] coroutine: Clean up superfluous inclusion of qemu/coroutine.h Markus Armbruster
2023-01-20  7:01 ` [PULL 02/12] coroutine: Move coroutine_fn to qemu/osdep.h, trim includes Markus Armbruster
2023-01-20  7:01 ` [PULL 03/12] coroutine: Clean up superfluous inclusion of qemu/lockable.h Markus Armbruster
2023-01-20  7:01 ` [PULL 04/12] coroutine: Split qemu/coroutine-core.h off qemu/coroutine.h Markus Armbruster
2023-01-20  7:01 ` [PULL 05/12] coroutine: Use Coroutine typedef name instead of structure tag Markus Armbruster
2023-01-20  7:01 ` [PULL 06/12] include/block: Untangle inclusion loops Markus Armbruster
2023-01-20  7:01 ` [PULL 07/12] hw/sparc64/niagara: Use blk_name() instead of open-coding it Markus Armbruster
2023-01-20  7:01 ` [PULL 08/12] include/hw/block: Include hw/block/block.h where needed Markus Armbruster
2023-01-20  7:01 ` [PULL 09/12] include/hw/ppc: Split pnv_chip.h off pnv.h Markus Armbruster
2023-01-23  9:44   ` Philippe Mathieu-Daudé [this message]
2023-01-23 10:07     ` Markus Armbruster
2023-01-23 12:10       ` Philippe Mathieu-Daudé
2023-01-20  7:01 ` [PULL 10/12] include/hw/ppc: Supply a few missing includes Markus Armbruster
2023-01-20  7:01 ` [PULL 11/12] include/hw/ppc: Don't include hw/pci-host/pnv_phb.h from pnv.h Markus Armbruster
2023-01-20  7:01 ` [PULL 12/12] include/hw/ppc include/hw/pci-host: Drop extra typedefs Markus Armbruster
2023-01-20 16:17 ` [PULL 00/12] Header cleanup patches for 2023-01-20 Peter Maydell

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