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From: Artyom Tarasenko <atar4qemu@gmail.com>
To: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH 01/15] apb: move QOM macros and typedefs from apb.c to apb.h
Date: Fri, 17 Nov 2017 15:24:01 +0100	[thread overview]
Message-ID: <CACXAS8DBV72n4Vp0eUc-Hg6df37QYAXjLTnSQn3r71TTtaWGdg@mail.gmail.com> (raw)
In-Reply-To: <1510926167-23326-2-git-send-email-mark.cave-ayland@ilande.co.uk>

Hi Mark,

On Fri, Nov 17, 2017 at 2:42 PM, Mark Cave-Ayland
<mark.cave-ayland@ilande.co.uk> wrote:
> This also includes the related IOMMUState typedef and defines.
>
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> ---
>  hw/pci-host/apb.c         |   85 --------------------------------------------
>  include/hw/pci-host/apb.h |   86 +++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 86 insertions(+), 85 deletions(-)
>
> diff --git a/hw/pci-host/apb.c b/hw/pci-host/apb.c
> index 64025cd..f743a4e 100644
> --- a/hw/pci-host/apb.c
> +++ b/hw/pci-host/apb.c
> @@ -82,91 +82,6 @@ do { printf("IOMMU: " fmt , ## __VA_ARGS__); } while (0)
>  #define MAX_IVEC 0x40
>  #define NO_IRQ_REQUEST (MAX_IVEC + 1)
>
> -#define IOMMU_PAGE_SIZE_8K      (1ULL << 13)
> -#define IOMMU_PAGE_MASK_8K      (~(IOMMU_PAGE_SIZE_8K - 1))
> -#define IOMMU_PAGE_SIZE_64K     (1ULL << 16)
> -#define IOMMU_PAGE_MASK_64K     (~(IOMMU_PAGE_SIZE_64K - 1))
> -
> -#define IOMMU_NREGS             3
> -
> -#define IOMMU_CTRL              0x0
> -#define IOMMU_CTRL_TBW_SIZE     (1ULL << 2)
> -#define IOMMU_CTRL_MMU_EN       (1ULL)
> -
> -#define IOMMU_CTRL_TSB_SHIFT    16
> -
> -#define IOMMU_BASE              0x8
> -#define IOMMU_FLUSH             0x10
> -
> -#define IOMMU_TTE_DATA_V        (1ULL << 63)
> -#define IOMMU_TTE_DATA_SIZE     (1ULL << 61)
> -#define IOMMU_TTE_DATA_W        (1ULL << 1)
> -
> -#define IOMMU_TTE_PHYS_MASK_8K  0x1ffffffe000ULL
> -#define IOMMU_TTE_PHYS_MASK_64K 0x1ffffff8000ULL
> -
> -#define IOMMU_TSB_8K_OFFSET_MASK_8M    0x00000000007fe000ULL
> -#define IOMMU_TSB_8K_OFFSET_MASK_16M   0x0000000000ffe000ULL
> -#define IOMMU_TSB_8K_OFFSET_MASK_32M   0x0000000001ffe000ULL
> -#define IOMMU_TSB_8K_OFFSET_MASK_64M   0x0000000003ffe000ULL
> -#define IOMMU_TSB_8K_OFFSET_MASK_128M  0x0000000007ffe000ULL
> -#define IOMMU_TSB_8K_OFFSET_MASK_256M  0x000000000fffe000ULL
> -#define IOMMU_TSB_8K_OFFSET_MASK_512M  0x000000001fffe000ULL
> -#define IOMMU_TSB_8K_OFFSET_MASK_1G    0x000000003fffe000ULL
> -
> -#define IOMMU_TSB_64K_OFFSET_MASK_64M  0x0000000003ff0000ULL
> -#define IOMMU_TSB_64K_OFFSET_MASK_128M 0x0000000007ff0000ULL
> -#define IOMMU_TSB_64K_OFFSET_MASK_256M 0x000000000fff0000ULL
> -#define IOMMU_TSB_64K_OFFSET_MASK_512M 0x000000001fff0000ULL
> -#define IOMMU_TSB_64K_OFFSET_MASK_1G   0x000000003fff0000ULL
> -#define IOMMU_TSB_64K_OFFSET_MASK_2G   0x000000007fff0000ULL
> -
> -typedef struct IOMMUState {
> -    AddressSpace iommu_as;
> -    IOMMUMemoryRegion iommu;
> -
> -    uint64_t regs[IOMMU_NREGS];
> -} IOMMUState;
> -
> -#define TYPE_APB "pbm"
> -
> -#define APB_DEVICE(obj) \
> -    OBJECT_CHECK(APBState, (obj), TYPE_APB)
> -
> -#define TYPE_APB_IOMMU_MEMORY_REGION "pbm-iommu-memory-region"
> -
> -typedef struct APBState {
> -    PCIHostState parent_obj;
> -
> -    MemoryRegion apb_config;
> -    MemoryRegion pci_config;
> -    MemoryRegion pci_mmio;
> -    MemoryRegion pci_ioport;
> -    uint64_t pci_irq_in;
> -    IOMMUState iommu;
> -    uint32_t pci_control[16];
> -    uint32_t pci_irq_map[8];
> -    uint32_t pci_err_irq_map[4];
> -    uint32_t obio_irq_map[32];
> -    qemu_irq *pbm_irqs;
> -    qemu_irq *ivec_irqs;
> -    unsigned int irq_request;
> -    uint32_t reset_control;
> -    unsigned int nr_resets;
> -} APBState;
> -
> -#define TYPE_PBM_PCI_BRIDGE "pbm-bridge"
> -#define PBM_PCI_BRIDGE(obj) \
> -    OBJECT_CHECK(PBMPCIBridge, (obj), TYPE_PBM_PCI_BRIDGE)
> -
> -typedef struct PBMPCIBridge {
> -    /*< private >*/
> -    PCIBridge parent_obj;
> -
> -    /* Is this busA with in-built devices (ebus)? */
> -    bool busA;
> -} PBMPCIBridge;
> -
>  static inline void pbm_set_request(APBState *s, unsigned int irq_num)
>  {
>      APB_DPRINTF("%s: request irq %d\n", __func__, irq_num);
> diff --git a/include/hw/pci-host/apb.h b/include/hw/pci-host/apb.h
> index b19bd55..5d39c03 100644
> --- a/include/hw/pci-host/apb.h
> +++ b/include/hw/pci-host/apb.h
> @@ -2,6 +2,92 @@
>  #define PCI_HOST_APB_H
>
>  #include "qemu-common.h"
> +#include "hw/pci/pci_host.h"
> +
> +#define IOMMU_NREGS             3
> +
> +#define IOMMU_PAGE_SIZE_8K      (1ULL << 13)
> +#define IOMMU_PAGE_MASK_8K      (~(IOMMU_PAGE_SIZE_8K - 1))
> +#define IOMMU_PAGE_SIZE_64K     (1ULL << 16)
> +#define IOMMU_PAGE_MASK_64K     (~(IOMMU_PAGE_SIZE_64K - 1))
> +
> +#define IOMMU_CTRL              0x0
> +#define IOMMU_CTRL_TBW_SIZE     (1ULL << 2)
> +#define IOMMU_CTRL_MMU_EN       (1ULL)

While at it, I think the naming for the model-specific constants
should be more explicit.
How about US2I_IOMMU_ or SABRE_IOMMU_?

> +
> +#define IOMMU_CTRL_TSB_SHIFT    16
> +
> +#define IOMMU_BASE              0x8
> +#define IOMMU_FLUSH             0x10
> +
> +#define IOMMU_TTE_DATA_V        (1ULL << 63)
> +#define IOMMU_TTE_DATA_SIZE     (1ULL << 61)
> +#define IOMMU_TTE_DATA_W        (1ULL << 1)
> +
> +#define IOMMU_TTE_PHYS_MASK_8K  0x1ffffffe000ULL
> +#define IOMMU_TTE_PHYS_MASK_64K 0x1ffffff8000ULL
> +
> +#define IOMMU_TSB_8K_OFFSET_MASK_8M    0x00000000007fe000ULL
> +#define IOMMU_TSB_8K_OFFSET_MASK_16M   0x0000000000ffe000ULL
> +#define IOMMU_TSB_8K_OFFSET_MASK_32M   0x0000000001ffe000ULL
> +#define IOMMU_TSB_8K_OFFSET_MASK_64M   0x0000000003ffe000ULL
> +#define IOMMU_TSB_8K_OFFSET_MASK_128M  0x0000000007ffe000ULL
> +#define IOMMU_TSB_8K_OFFSET_MASK_256M  0x000000000fffe000ULL
> +#define IOMMU_TSB_8K_OFFSET_MASK_512M  0x000000001fffe000ULL
> +#define IOMMU_TSB_8K_OFFSET_MASK_1G    0x000000003fffe000ULL
> +
> +#define IOMMU_TSB_64K_OFFSET_MASK_64M  0x0000000003ff0000ULL
> +#define IOMMU_TSB_64K_OFFSET_MASK_128M 0x0000000007ff0000ULL
> +#define IOMMU_TSB_64K_OFFSET_MASK_256M 0x000000000fff0000ULL
> +#define IOMMU_TSB_64K_OFFSET_MASK_512M 0x000000001fff0000ULL
> +#define IOMMU_TSB_64K_OFFSET_MASK_1G   0x000000003fff0000ULL
> +#define IOMMU_TSB_64K_OFFSET_MASK_2G   0x000000007fff0000ULL

Maybe it's possible to compute the mask from the bits, similarly to
how it's done in the Niagara model?
If so, these defines would be not necessary.

> +
> +typedef struct IOMMUState {
> +    AddressSpace iommu_as;
> +    IOMMUMemoryRegion iommu;
> +
> +    uint64_t regs[IOMMU_NREGS];
> +} IOMMUState;
> +
> +#define TYPE_APB "pbm"
> +
> +#define APB_DEVICE(obj) \
> +    OBJECT_CHECK(APBState, (obj), TYPE_APB)
> +
> +#define TYPE_APB_IOMMU_MEMORY_REGION "pbm-iommu-memory-region"
> +
> +typedef struct APBState {
> +    PCIHostState parent_obj;
> +
> +    MemoryRegion apb_config;
> +    MemoryRegion pci_config;
> +    MemoryRegion pci_mmio;
> +    MemoryRegion pci_ioport;
> +    uint64_t pci_irq_in;
> +    IOMMUState iommu;
> +    uint32_t pci_control[16];
> +    uint32_t pci_irq_map[8];
> +    uint32_t pci_err_irq_map[4];
> +    uint32_t obio_irq_map[32];
> +    qemu_irq *pbm_irqs;
> +    qemu_irq *ivec_irqs;
> +    unsigned int irq_request;
> +    uint32_t reset_control;
> +    unsigned int nr_resets;
> +} APBState;
> +
> +typedef struct PBMPCIBridge {
> +    /*< private >*/
> +    PCIBridge parent_obj;
> +
> +    /* Is this busA with in-built devices (ebus)? */
> +    bool busA;
> +} PBMPCIBridge;
> +
> +#define TYPE_PBM_PCI_BRIDGE "pbm-bridge"
> +#define PBM_PCI_BRIDGE(obj) \
> +    OBJECT_CHECK(PBMPCIBridge, (obj), TYPE_PBM_PCI_BRIDGE)
>
>  PCIBus *pci_apb_init(hwaddr special_base,
>                       hwaddr mem_base,
> --
> 1.7.10.4
>



-- 
Regards,
Artyom Tarasenko

SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu

  reply	other threads:[~2017-11-17 14:24 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-17 13:42 [Qemu-devel] [PATCH 00/15] sun4u: tidy-up CPU, APB and ebus Mark Cave-Ayland
2017-11-17 13:42 ` [Qemu-devel] [PATCH 01/15] apb: move QOM macros and typedefs from apb.c to apb.h Mark Cave-Ayland
2017-11-17 14:24   ` Artyom Tarasenko [this message]
2017-11-17 15:40     ` Mark Cave-Ayland
2017-11-17 19:55       ` Artyom Tarasenko
2017-11-20  0:52   ` Philippe Mathieu-Daudé
2017-11-17 13:42 ` [Qemu-devel] [PATCH 02/15] sun4u: ebus QOMify tidy-up Mark Cave-Ayland
2017-11-17 18:02   ` Philippe Mathieu-Daudé
2017-11-17 13:42 ` [Qemu-devel] [PATCH 03/15] sun4u: move ISABus inside of EBusState Mark Cave-Ayland
2017-11-17 14:53   ` Artyom Tarasenko
2017-11-17 15:46     ` Mark Cave-Ayland
2017-11-17 19:58       ` Artyom Tarasenko
2017-11-19 14:53   ` Philippe Mathieu-Daudé
2017-11-17 13:42 ` [Qemu-devel] [PATCH 04/15] sun4u: remove pci_ebus_init() function Mark Cave-Ayland
2017-11-17 14:38   ` Artyom Tarasenko
2017-11-20  0:37   ` Philippe Mathieu-Daudé
2017-11-17 13:42 ` [Qemu-devel] [PATCH 05/15] sun4u: move initialisation of all ISABus devices into ebus_realize() Mark Cave-Ayland
2017-11-20  0:47   ` Philippe Mathieu-Daudé
2017-11-20 22:45     ` Mark Cave-Ayland
2017-11-17 13:42 ` [Qemu-devel] [PATCH 06/15] apb: APB QOMify tidy-up Mark Cave-Ayland
2017-11-20  0:48   ` Philippe Mathieu-Daudé
2017-11-17 13:42 ` [Qemu-devel] [PATCH 07/15] apb: return APBState from pci_apb_init() rather then PCIBus Mark Cave-Ayland
2017-11-17 19:08   ` Philippe Mathieu-Daudé
2017-11-17 13:42 ` [Qemu-devel] [PATCH 08/15] apb: use gpios to wire up the apb device to the SPARC CPU IRQs Mark Cave-Ayland
2017-11-20 17:41   ` Philippe Mathieu-Daudé
2017-11-17 13:42 ` [Qemu-devel] [PATCH 09/15] apb: move the two secondary PCI bridges objects into APBState Mark Cave-Ayland
2017-11-17 14:41   ` Artyom Tarasenko
2017-11-20  0:56   ` Philippe Mathieu-Daudé
2017-11-17 13:42 ` [Qemu-devel] [PATCH 10/15] apb: remove pci_apb_init() and instantiate APB device using qdev Mark Cave-Ayland
2017-11-17 14:37   ` Artyom Tarasenko
2017-11-20 17:51   ` Philippe Mathieu-Daudé
2017-11-20 22:50     ` Mark Cave-Ayland
2017-11-17 13:42 ` [Qemu-devel] [PATCH 11/15] apb: split pci_pbm_map_irq() into separate functions for bus A and bus B Mark Cave-Ayland
2017-11-17 14:33   ` Artyom Tarasenko
2017-11-19 11:06     ` Mark Cave-Ayland
2017-12-17 11:09       ` Mark Cave-Ayland
2017-12-19  7:56         ` Artyom Tarasenko
2017-12-19  9:27           ` Mark Cave-Ayland
2017-12-19  9:29             ` Artyom Tarasenko
2017-11-17 13:42 ` [Qemu-devel] [PATCH 12/15] ebus: wire up OBIO interrupts to APB pbm via qdev GPIOs Mark Cave-Ayland
2017-11-17 14:28   ` Artyom Tarasenko
2017-11-20  1:02   ` Philippe Mathieu-Daudé
2017-11-20 22:47     ` Mark Cave-Ayland
2017-11-17 13:42 ` [Qemu-devel] [PATCH 13/15] apb: replace OBIO interrupt numbers in pci_pbmA_map_irq() with constants Mark Cave-Ayland
2017-11-17 14:26   ` Artyom Tarasenko
2017-11-20  1:03   ` Philippe Mathieu-Daudé
2017-11-17 13:42 ` [Qemu-devel] [PATCH 14/15] sparc64: introduce trace-events for hw/sparc64 Mark Cave-Ayland
2017-11-17 14:36   ` Artyom Tarasenko
2017-11-19 15:14   ` Philippe Mathieu-Daudé
2017-11-20 22:43     ` Mark Cave-Ayland
2017-11-17 13:42 ` [Qemu-devel] [PATCH 15/15] sun4u: switch from EBUS_DPRINTF() macro to trace-events Mark Cave-Ayland
2017-11-17 19:10   ` Philippe Mathieu-Daudé

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