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Re: [Qemu-ppc] [PATCH 15/27] ppc/pnv: add a PSI bridge model for POWER9


From: Cédric Le Goater
Subject: Re: [Qemu-ppc] [PATCH 15/27] ppc/pnv: add a PSI bridge model for POWER9
Date: Thu, 7 Mar 2019 07:37:51 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0

On 3/7/19 5:10 AM, David Gibson wrote:
> On Wed, Mar 06, 2019 at 09:50:20AM +0100, Cédric Le Goater wrote:
>> The PSI bridge on POWER9 is very similar to POWER8. The BAR is still
>> set through XSCOM but the controls are now entirely done with MMIOs.
>> More interrupts are defined and the interrupt controller interface has
>> changed to XIVE. The POWER9 model is a first example of the usage of
>> the notify() handler of the XiveNotifier interface, linking the PSI
>> XiveSource to its owning device model.
>>
>> Signed-off-by: Cédric Le Goater <address@hidden>
>> ---
>>  include/hw/ppc/pnv.h       |   6 +
>>  include/hw/ppc/pnv_psi.h   |  24 +++
>>  include/hw/ppc/pnv_xscom.h |   3 +
>>  hw/ppc/pnv.c               |  17 ++
>>  hw/ppc/pnv_psi.c           | 325 ++++++++++++++++++++++++++++++++++++-
>>  5 files changed, 373 insertions(+), 2 deletions(-)
>>
>> diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
>> index eb4bba25b3e9..57d0337219be 100644
>> --- a/include/hw/ppc/pnv.h
>> +++ b/include/hw/ppc/pnv.h
>> @@ -84,6 +84,7 @@ typedef struct Pnv9Chip {
>>  
>>      /*< public >*/
>>      PnvXive      xive;
>> +    PnvPsi       psi;
>>  } Pnv9Chip;
>>  
>>  typedef struct PnvChipClass {
>> @@ -231,11 +232,16 @@ void pnv_bmc_powerdown(IPMIBmc *bmc);
>>  #define PNV9_XIVE_PC_SIZE            0x0000001000000000ull
>>  #define PNV9_XIVE_PC_BASE(chip)      PNV9_CHIP_BASE(chip, 
>> 0x0006018000000000ull)
>>  
>> +#define PNV9_PSIHB_SIZE              0x0000000000100000ull
>> +#define PNV9_PSIHB_BASE(chip)        PNV9_CHIP_BASE(chip, 
>> 0x0006030203000000ull)
>> +
>>  #define PNV9_XIVE_IC_SIZE            0x0000000000080000ull
>>  #define PNV9_XIVE_IC_BASE(chip)      PNV9_CHIP_BASE(chip, 
>> 0x0006030203100000ull)
>>  
>>  #define PNV9_XIVE_TM_SIZE            0x0000000000040000ull
>>  #define PNV9_XIVE_TM_BASE(chip)      PNV9_CHIP_BASE(chip, 
>> 0x0006030203180000ull)
>>  
>> +#define PNV9_PSIHB_ESB_SIZE          0x0000000000010000ull
>> +#define PNV9_PSIHB_ESB_BASE(chip)    PNV9_CHIP_BASE(chip, 
>> 0x00060302031c0000ull)
>>  
>>  #endif /* _PPC_PNV_H */
>> diff --git a/include/hw/ppc/pnv_psi.h b/include/hw/ppc/pnv_psi.h
>> index 585a41cd19b6..d7e1ab282cf8 100644
>> --- a/include/hw/ppc/pnv_psi.h
>> +++ b/include/hw/ppc/pnv_psi.h
>> @@ -21,6 +21,7 @@
>>  
>>  #include "hw/sysbus.h"
>>  #include "hw/ppc/xics.h"
>> +#include "hw/ppc/xive.h"
>>  
>>  #define TYPE_PNV_PSI "pnv-psi"
>>  #define PNV_PSI(obj) \
>> @@ -28,6 +29,9 @@
>>  #define TYPE_PNV8_PSI TYPE_PNV_PSI "-POWER8"
>>  #define PNV8_PSI(obj) \
>>      OBJECT_CHECK(PnvPsi, (obj), TYPE_PNV8_PSI)
>> +#define TYPE_PNV9_PSI TYPE_PNV_PSI "-POWER9"
>> +#define PNV9_PSI(obj) \
>> +    OBJECT_CHECK(PnvPsi, (obj), TYPE_PNV9_PSI)
>>  
>>  #define PSIHB_XSCOM_MAX         0x20
>>  
>> @@ -43,6 +47,7 @@ typedef struct PnvPsi {
>>  
>>      /* Interrupt generation */
>>      ICSState ics;
>> +    XiveSource source;
> 
> Uh... surely these should move to the subtype structures, so you don't
> have both of them.

I did not introduce a subtype, only a subclass. But we could 
possibly. It seemed overkill for one attribute.

> 
>>      qemu_irq *qirqs;
>>  
>>      /* Registers */
>> @@ -82,4 +87,23 @@ typedef enum PnvPsiIrq {
>>  
>>  void pnv_psi_irq_set(PnvPsi *psi, int irq, bool state);
>>  
>> +/* P9 PSI Interrupts */
>> +#define PSIHB9_IRQ_PSI          0
>> +#define PSIHB9_IRQ_OCC          1
>> +#define PSIHB9_IRQ_FSI          2
>> +#define PSIHB9_IRQ_LPCHC        3
>> +#define PSIHB9_IRQ_LOCAL_ERR    4
>> +#define PSIHB9_IRQ_GLOBAL_ERR   5
>> +#define PSIHB9_IRQ_TPM          6
>> +#define PSIHB9_IRQ_LPC_SIRQ0    7
>> +#define PSIHB9_IRQ_LPC_SIRQ1    8
>> +#define PSIHB9_IRQ_LPC_SIRQ2    9
>> +#define PSIHB9_IRQ_LPC_SIRQ3    10
>> +#define PSIHB9_IRQ_SBE_I2C      11
>> +#define PSIHB9_IRQ_DIO          12
>> +#define PSIHB9_IRQ_PSU          13
>> +#define PSIHB9_NUM_IRQS         14
>> +
>> +void pnv_psi_pic_print_info(PnvPsi *psi, Monitor *mon);
>> +
>>  #endif /* _PPC_PNV_PSI_H */
>> diff --git a/include/hw/ppc/pnv_xscom.h b/include/hw/ppc/pnv_xscom.h
>> index 6623ec54a7a8..403a365ed274 100644
>> --- a/include/hw/ppc/pnv_xscom.h
>> +++ b/include/hw/ppc/pnv_xscom.h
>> @@ -73,6 +73,9 @@ typedef struct PnvXScomInterfaceClass {
>>  #define PNV_XSCOM_OCC_BASE        0x0066000
>>  #define PNV_XSCOM_OCC_SIZE        0x6000
>>  
>> +#define PNV9_XSCOM_PSIHB_BASE     0x5012900
>> +#define PNV9_XSCOM_PSIHB_SIZE     0x100
>> +
>>  #define PNV9_XSCOM_XIVE_BASE      0x5013000
>>  #define PNV9_XSCOM_XIVE_SIZE      0x300
>>  
>> diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
>> index 67d40dc3eebc..4375f97c7135 100644
>> --- a/hw/ppc/pnv.c
>> +++ b/hw/ppc/pnv.c
>> @@ -579,6 +579,7 @@ static void pnv_chip_power9_pic_print_info(PnvChip 
>> *chip, Monitor *mon)
>>      Pnv9Chip *chip9 = PNV9_CHIP(chip);
>>  
>>      pnv_xive_pic_print_info(&chip9->xive, mon);
>> +    pnv_psi_pic_print_info(&chip9->psi, mon);
>>  }
>>  
>>  static void pnv_init(MachineState *machine)
>> @@ -948,6 +949,11 @@ static void pnv_chip_power9_instance_init(Object *obj)
>>                              TYPE_PNV_XIVE, &error_abort, NULL);
>>      object_property_add_const_link(OBJECT(&chip9->xive), "chip", obj,
>>                                     &error_abort);
>> +
>> +    object_initialize_child(obj, "psi",  &chip9->psi, sizeof(chip9->psi),
>> +                            TYPE_PNV9_PSI, &error_abort, NULL);
>> +    object_property_add_const_link(OBJECT(&chip9->psi), "chip", obj,
>> +                                   &error_abort);
>>  }
>>  
>>  static void pnv_chip_power9_realize(DeviceState *dev, Error **errp)
>> @@ -980,6 +986,17 @@ static void pnv_chip_power9_realize(DeviceState *dev, 
>> Error **errp)
>>      }
>>      pnv_xscom_add_subregion(chip, PNV9_XSCOM_XIVE_BASE,
>>                              &chip9->xive.xscom_regs);
>> +
>> +    /* Processor Service Interface (PSI) Host Bridge */
>> +    object_property_set_int(OBJECT(&chip9->psi), PNV9_PSIHB_BASE(chip),
>> +                            "bar", &error_fatal);
>> +    object_property_set_bool(OBJECT(&chip9->psi), true, "realized", 
>> &local_err);
>> +    if (local_err) {
>> +        error_propagate(errp, local_err);
>> +        return;
>> +    }
>> +    pnv_xscom_add_subregion(chip, PNV9_XSCOM_PSIHB_BASE,
>> +                            &chip9->psi.xscom_regs);
>>  }
>>  
>>  static void pnv_chip_power9_class_init(ObjectClass *klass, void *data)
>> diff --git a/hw/ppc/pnv_psi.c b/hw/ppc/pnv_psi.c
>> index e56b455a61b1..3f995a0e0d7f 100644
>> --- a/hw/ppc/pnv_psi.c
>> +++ b/hw/ppc/pnv_psi.c
>> @@ -22,6 +22,7 @@
>>  #include "target/ppc/cpu.h"
>>  #include "qemu/log.h"
>>  #include "qapi/error.h"
>> +#include "monitor/monitor.h"
>>  
>>  #include "exec/address-spaces.h"
>>  
>> @@ -114,6 +115,9 @@
>>  #define PSIHB_BAR_MASK                  0x0003fffffff00000ull
>>  #define PSIHB_FSPBAR_MASK               0x0003ffff00000000ull
>>  
>> +#define PSIHB9_BAR_MASK                 0x00fffffffff00000ull
>> +#define PSIHB9_FSPBAR_MASK              0x00ffffff00000000ull
>> +
>>  #define PSIHB_REG(addr) (((addr) >> 3) + PSIHB_XSCOM_BAR)
>>  
>>  static void pnv_psi_set_bar(PnvPsi *psi, uint64_t bar)
>> @@ -531,6 +535,7 @@ static void pnv_psi_power8_realize(DeviceState *dev, 
>> Error **errp)
>>  }
>>  
>>  static const char compat_p8[] = "ibm,power8-psihb-x\0ibm,psihb-x";
>> +static const char compat_p9[] = "ibm,power9-psihb-x\0ibm,psihb-x";
>>  
>>  static int pnv_psi_dt_xscom(PnvXScomInterface *dev, void *fdt, int 
>> xscom_offset)
>>  {
>> @@ -550,8 +555,13 @@ static int pnv_psi_dt_xscom(PnvXScomInterface *dev, 
>> void *fdt, int xscom_offset)
>>      _FDT(fdt_setprop(fdt, offset, "reg", reg, sizeof(reg)));
>>      _FDT(fdt_setprop_cell(fdt, offset, "#address-cells", 2));
>>      _FDT(fdt_setprop_cell(fdt, offset, "#size-cells", 1));
>> -    _FDT(fdt_setprop(fdt, offset, "compatible", compat_p8,
>> -                     sizeof(compat_p8)));
>> +    if (ppc->chip_type == PNV_CHIP_POWER9) {
> 
> Ew.  You already have subclasses - put the compatible in there, rather
> than more explicit tests against chip type.

I would also prefer to move the compat string to PnvPsiClass instead 
of using a chip_type field but I didn't find a clean way for it. We 
use sizeof() on the compat string below and it does not work on a 
char *.

I had the same issue in pnv_dt_xscom()

> 
>> +        _FDT(fdt_setprop(fdt, offset, "compatible", compat_p9,
>> +                         sizeof(compat_p9)));
>> +    } else {
>> +        _FDT(fdt_setprop(fdt, offset, "compatible", compat_p8,
>> +                         sizeof(compat_p8)));
>> +    }
>>      return 0;
>>  }
>>  
>> @@ -583,6 +593,306 @@ static const TypeInfo pnv_psi_power8_info = {
>>      .class_init    = pnv_psi_power8_class_init,
>>  };
>>  
>> +
>> +/* Common registers */
>> +
>> +#define PSIHB9_CR                       0x20
>> +#define PSIHB9_SEMR                     0x28
>> +
>> +/* P9 registers */
>> +
>> +#define PSIHB9_INTERRUPT_CONTROL        0x58
>> +#define   PSIHB9_IRQ_METHOD             PPC_BIT(0)
>> +#define   PSIHB9_IRQ_RESET              PPC_BIT(1)
>> +#define PSIHB9_ESB_CI_BASE              0x60
>> +#define   PSIHB9_ESB_CI_VALID           1
>> +#define PSIHB9_ESB_NOTIF_ADDR           0x68
>> +#define   PSIHB9_ESB_NOTIF_VALID        1
>> +#define PSIHB9_IVT_OFFSET               0x70
>> +#define   PSIHB9_IVT_OFF_SHIFT          32
>> +
>> +#define PSIHB9_IRQ_LEVEL                0x78 /* assertion */
>> +#define   PSIHB9_IRQ_LEVEL_PSI          PPC_BIT(0)
>> +#define   PSIHB9_IRQ_LEVEL_OCC          PPC_BIT(1)
>> +#define   PSIHB9_IRQ_LEVEL_FSI          PPC_BIT(2)
>> +#define   PSIHB9_IRQ_LEVEL_LPCHC        PPC_BIT(3)
>> +#define   PSIHB9_IRQ_LEVEL_LOCAL_ERR    PPC_BIT(4)
>> +#define   PSIHB9_IRQ_LEVEL_GLOBAL_ERR   PPC_BIT(5)
>> +#define   PSIHB9_IRQ_LEVEL_TPM          PPC_BIT(6)
>> +#define   PSIHB9_IRQ_LEVEL_LPC_SIRQ1    PPC_BIT(7)
>> +#define   PSIHB9_IRQ_LEVEL_LPC_SIRQ2    PPC_BIT(8)
>> +#define   PSIHB9_IRQ_LEVEL_LPC_SIRQ3    PPC_BIT(9)
>> +#define   PSIHB9_IRQ_LEVEL_LPC_SIRQ4    PPC_BIT(10)
>> +#define   PSIHB9_IRQ_LEVEL_SBE_I2C      PPC_BIT(11)
>> +#define   PSIHB9_IRQ_LEVEL_DIO          PPC_BIT(12)
>> +#define   PSIHB9_IRQ_LEVEL_PSU          PPC_BIT(13)
>> +#define   PSIHB9_IRQ_LEVEL_I2C_C        PPC_BIT(14)
>> +#define   PSIHB9_IRQ_LEVEL_I2C_D        PPC_BIT(15)
>> +#define   PSIHB9_IRQ_LEVEL_I2C_E        PPC_BIT(16)
>> +#define   PSIHB9_IRQ_LEVEL_SBE          PPC_BIT(19)
>> +
>> +#define PSIHB9_IRQ_STAT                 0x80 /* P bit */
>> +#define   PSIHB9_IRQ_STAT_PSI           PPC_BIT(0)
>> +#define   PSIHB9_IRQ_STAT_OCC           PPC_BIT(1)
>> +#define   PSIHB9_IRQ_STAT_FSI           PPC_BIT(2)
>> +#define   PSIHB9_IRQ_STAT_LPCHC         PPC_BIT(3)
>> +#define   PSIHB9_IRQ_STAT_LOCAL_ERR     PPC_BIT(4)
>> +#define   PSIHB9_IRQ_STAT_GLOBAL_ERR    PPC_BIT(5)
>> +#define   PSIHB9_IRQ_STAT_TPM           PPC_BIT(6)
>> +#define   PSIHB9_IRQ_STAT_LPC_SIRQ1     PPC_BIT(7)
>> +#define   PSIHB9_IRQ_STAT_LPC_SIRQ2     PPC_BIT(8)
>> +#define   PSIHB9_IRQ_STAT_LPC_SIRQ3     PPC_BIT(9)
>> +#define   PSIHB9_IRQ_STAT_LPC_SIRQ4     PPC_BIT(10)
>> +#define   PSIHB9_IRQ_STAT_SBE_I2C       PPC_BIT(11)
>> +#define   PSIHB9_IRQ_STAT_DIO           PPC_BIT(12)
>> +#define   PSIHB9_IRQ_STAT_PSU           PPC_BIT(13)
>> +
>> +static void pnv_psi_notify(XiveNotifier *xf, uint32_t srcno)
>> +{
>> +    PnvPsi *psi = PNV9_PSI(xf);
>> +    uint64_t notif_port = psi->regs[PSIHB_REG(PSIHB9_ESB_NOTIF_ADDR)];
>> +    bool valid = notif_port & PSIHB9_ESB_NOTIF_VALID;
>> +    uint64_t notify_addr = notif_port & ~PSIHB9_ESB_NOTIF_VALID;
>> +
>> +    uint32_t offset =
>> +        (psi->regs[PSIHB_REG(PSIHB9_IVT_OFFSET)] >> PSIHB9_IVT_OFF_SHIFT);
>> +    uint64_t lisn = cpu_to_be64(offset + srcno);
>> +
>> +    if (valid) {
>> +        cpu_physical_memory_write(notify_addr, &lisn, sizeof(lisn));
>> +    }
>> +}
>> +
>> +static uint64_t pnv_psi_p9_mmio_read(void *opaque, hwaddr addr, unsigned 
>> size)
>> +{
>> +    PnvPsi *psi = PNV9_PSI(opaque);
>> +    uint32_t reg = PSIHB_REG(addr);
>> +    uint64_t val = -1;
>> +
>> +    switch (addr) {
>> +    case PSIHB9_CR:
>> +    case PSIHB9_SEMR:
>> +        /* FSP stuff */
>> +    case PSIHB9_INTERRUPT_CONTROL:
>> +    case PSIHB9_ESB_CI_BASE:
>> +    case PSIHB9_ESB_NOTIF_ADDR:
>> +    case PSIHB9_IVT_OFFSET:
>> +        val = psi->regs[reg];
>> +        break;
>> +    default:
>> +        qemu_log_mask(LOG_GUEST_ERROR, "PSI: read at 0x%" PRIx64 "\n", 
>> addr);
>> +    }
>> +
>> +    return val;
>> +}
>> +
>> +static void pnv_psi_p9_mmio_write(void *opaque, hwaddr addr,
>> +                                  uint64_t val, unsigned size)
>> +{
>> +    PnvPsi *psi = PNV9_PSI(opaque);
>> +    uint32_t reg = PSIHB_REG(addr);
>> +    MemoryRegion *sysmem = get_system_memory();
>> +
>> +    switch (addr) {
>> +    case PSIHB9_CR:
>> +    case PSIHB9_SEMR:
>> +        /* FSP stuff */
>> +        break;
>> +    case PSIHB9_INTERRUPT_CONTROL:
>> +        if (val & PSIHB9_IRQ_RESET) {
>> +            device_reset(DEVICE(&psi->source));
>> +        }
>> +        psi->regs[reg] = val;
>> +        break;
>> +
>> +    case PSIHB9_ESB_CI_BASE:
>> +        if (!(val & PSIHB9_ESB_CI_VALID)) {
>> +            if (psi->regs[reg] & PSIHB9_ESB_CI_VALID) {
>> +                memory_region_del_subregion(sysmem, &psi->source.esb_mmio);
>> +            }
>> +        } else {
>> +            if (!(psi->regs[reg] & PSIHB9_ESB_CI_VALID)) {
>> +                memory_region_add_subregion(sysmem,
>> +                                        val & ~PSIHB9_ESB_CI_VALID,
>> +                                        &psi->source.esb_mmio);
>> +            }
>> +        }
>> +        psi->regs[reg] = val;
>> +        break;
>> +
>> +    case PSIHB9_ESB_NOTIF_ADDR:
>> +        psi->regs[reg] = val;
> 
> Again, not in scope for this patch, but not being able to put a
> reg[reg] = val outside the switch is a pretty good sign that a regs[]
> array mirroring the guest register interface is not the right model
> for this device.

Well, in this case, I think we could put 'psi->regs[reg] = val;'.

Thanks,

C.

>> +        break;
>> +    case PSIHB9_IVT_OFFSET:
>> +        psi->regs[reg] = val;
>> +        break;
>> +    default:
>> +        qemu_log_mask(LOG_GUEST_ERROR, "PSI: write at 0x%" PRIx64 "\n", 
>> addr);
>> +    }
>> +}
>> +
>> +static const MemoryRegionOps pnv_psi_p9_mmio_ops = {
>> +    .read = pnv_psi_p9_mmio_read,
>> +    .write = pnv_psi_p9_mmio_write,
>> +    .endianness = DEVICE_BIG_ENDIAN,
>> +    .valid = {
>> +        .min_access_size = 8,
>> +        .max_access_size = 8,
>> +    },
>> +    .impl = {
>> +        .min_access_size = 8,
>> +        .max_access_size = 8,
>> +    },
>> +};
>> +
>> +static uint64_t pnv_psi_p9_xscom_read(void *opaque, hwaddr addr, unsigned 
>> size)
>> +{
>> +    /* No read are expected */
>> +    qemu_log_mask(LOG_GUEST_ERROR, "PSI: xscom read at 0x%" PRIx64 "\n", 
>> addr);
>> +    return -1;
>> +}
>> +
>> +static void pnv_psi_p9_xscom_write(void *opaque, hwaddr addr,
>> +                                uint64_t val, unsigned size)
>> +{
>> +    PnvPsi *psi = PNV9_PSI(opaque);
>> +
>> +    /* XSCOM is only used to set the PSIHB MMIO region */
>> +    switch (addr >> 3) {
>> +    case PSIHB_XSCOM_BAR:
>> +        pnv_psi_set_bar(psi, val);
>> +        break;
>> +    default:
>> +        qemu_log_mask(LOG_GUEST_ERROR, "PSI: xscom write at 0x%" PRIx64 
>> "\n",
>> +                      addr);
>> +    }
>> +}
>> +
>> +static const MemoryRegionOps pnv_psi_p9_xscom_ops = {
>> +    .read = pnv_psi_p9_xscom_read,
>> +    .write = pnv_psi_p9_xscom_write,
>> +    .endianness = DEVICE_BIG_ENDIAN,
>> +    .valid = {
>> +        .min_access_size = 8,
>> +        .max_access_size = 8,
>> +    },
>> +    .impl = {
>> +        .min_access_size = 8,
>> +        .max_access_size = 8,
>> +    }
>> +};
>> +
>> +static void pnv_psi_power9_irq_set(PnvPsi *psi, int irq, bool state)
>> +{
>> +    uint32_t irq_method = psi->regs[PSIHB_REG(PSIHB9_INTERRUPT_CONTROL)];
>> +
>> +    if (irq > PSIHB9_NUM_IRQS) {
>> +        qemu_log_mask(LOG_GUEST_ERROR, "PSI: Unsupported irq %d\n", irq);
>> +        return;
>> +    }
>> +
>> +    if (irq_method & PSIHB9_IRQ_METHOD) {
>> +        qemu_log_mask(LOG_GUEST_ERROR, "PSI: LSI IRQ method no 
>> supported\n");
>> +        return;
>> +    }
>> +
>> +    /* Update LSI levels */
>> +    if (state) {
>> +        psi->regs[PSIHB_REG(PSIHB9_IRQ_LEVEL)] |= PPC_BIT(irq);
>> +    } else {
>> +        psi->regs[PSIHB_REG(PSIHB9_IRQ_LEVEL)] &= ~PPC_BIT(irq);
>> +    }
>> +
>> +    qemu_set_irq(psi->qirqs[irq], state);
>> +}
>> +
>> +static void pnv_psi_power9_reset(void *dev)
>> +{
>> +    PnvPsi *psi = PNV9_PSI(dev);
>> +
>> +    pnv_psi_reset(dev);
>> +
>> +    if (memory_region_is_mapped(&psi->source.esb_mmio)) {
>> +        memory_region_del_subregion(get_system_memory(), 
>> &psi->source.esb_mmio);
>> +    }
>> +}
>> +
>> +static void pnv_psi_power9_instance_init(Object *obj)
>> +{
>> +    PnvPsi *psi = PNV9_PSI(obj);
>> +
>> +    object_initialize_child(obj, "source", &psi->source, 
>> sizeof(psi->source),
>> +                            TYPE_XIVE_SOURCE, &error_abort, NULL);
>> +}
>> +
>> +static void pnv_psi_power9_realize(DeviceState *dev, Error **errp)
>> +{
>> +    PnvPsi *psi = PNV9_PSI(dev);
>> +    XiveSource *xsrc = &psi->source;
>> +    Error *local_err = NULL;
>> +    int i;
>> +
>> +    /* This is the only device with 4k ESB pages */
>> +    object_property_set_int(OBJECT(xsrc), XIVE_ESB_4K, "shift",
>> +                            &error_fatal);
>> +    object_property_set_int(OBJECT(xsrc), PSIHB9_NUM_IRQS, "nr-irqs",
>> +                            &error_fatal);
>> +    object_property_add_const_link(OBJECT(xsrc), "xive", OBJECT(psi),
>> +                                   &error_fatal);
>> +    object_property_set_bool(OBJECT(xsrc), true, "realized", &local_err);
>> +    if (local_err) {
>> +        error_propagate(errp, local_err);
>> +        return;
>> +    }
>> +
>> +    for (i = 0; i < xsrc->nr_irqs; i++) {
>> +        xive_source_irq_set_lsi(xsrc, i);
>> +    }
>> +
>> +    psi->qirqs = qemu_allocate_irqs(xive_source_set_irq, xsrc, 
>> xsrc->nr_irqs);
>> +
>> +    /* XSCOM region for PSI registers */
>> +    pnv_xscom_region_init(&psi->xscom_regs, OBJECT(dev), 
>> &pnv_psi_p9_xscom_ops,
>> +                psi, "xscom-psi", PNV9_XSCOM_PSIHB_SIZE);
>> +
>> +    /* MMIO region for PSI registers */
>> +    memory_region_init_io(&psi->regs_mr, OBJECT(dev), &pnv_psi_p9_mmio_ops, 
>> psi,
>> +                          "psihb", PNV9_PSIHB_SIZE);
>> +
>> +    pnv_psi_set_bar(psi, psi->bar | PSIHB_BAR_EN);
>> +
>> +    qemu_register_reset(pnv_psi_power9_reset, dev);
>> +}
>> +
>> +static void pnv_psi_power9_class_init(ObjectClass *klass, void *data)
>> +{
>> +    DeviceClass *dc = DEVICE_CLASS(klass);
>> +    PnvPsiClass *ppc = PNV_PSI_CLASS(klass);
>> +    XiveNotifierClass *xfc = XIVE_NOTIFIER_CLASS(klass);
>> +
>> +    dc->desc    = "PowerNV PSI Controller POWER9";
>> +    dc->realize = pnv_psi_power9_realize;
>> +
>> +    ppc->chip_type  = PNV_CHIP_POWER9;
>> +    ppc->xscom_pcba = PNV9_XSCOM_PSIHB_BASE;
>> +    ppc->xscom_size = PNV9_XSCOM_PSIHB_SIZE;
>> +    ppc->bar_mask   = PSIHB9_BAR_MASK;
>> +    ppc->irq_set    = pnv_psi_power9_irq_set;
>> +
>> +    xfc->notify      = pnv_psi_notify;
>> +}
>> +
>> +static const TypeInfo pnv_psi_power9_info = {
>> +    .name          = TYPE_PNV9_PSI,
>> +    .parent        = TYPE_PNV_PSI,
>> +    .instance_init = pnv_psi_power9_instance_init,
>> +    .class_init    = pnv_psi_power9_class_init,
>> +    .interfaces = (InterfaceInfo[]) {
>> +            { TYPE_XIVE_NOTIFIER },
>> +            { },
>> +    },
>> +};
>> +
>>  static void pnv_psi_class_init(ObjectClass *klass, void *data)
>>  {
>>      DeviceClass *dc = DEVICE_CLASS(klass);
>> @@ -611,6 +921,17 @@ static void pnv_psi_register_types(void)
>>  {
>>      type_register_static(&pnv_psi_info);
>>      type_register_static(&pnv_psi_power8_info);
>> +    type_register_static(&pnv_psi_power9_info);
>>  }
>>  
>>  type_init(pnv_psi_register_types);
>> +
>> +void pnv_psi_pic_print_info(PnvPsi *psi, Monitor *mon)
>> +{
>> +    uint32_t offset =
>> +        (psi->regs[PSIHB_REG(PSIHB9_IVT_OFFSET)] >> PSIHB9_IVT_OFF_SHIFT);
>> +
>> +    monitor_printf(mon, "PSIHB Source %08x .. %08x\n",
>> +                  offset, offset + psi->source.nr_irqs - 1);
>> +    xive_source_pic_print_info(&psi->source, offset, mon);
>> +}
> 




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