From: Cédric Le Goater Date: Wed, 23 Mar 2022 07:28:43 +0000 (+0100) Subject: ppc/pnv: Remove PnvLpcController::psi link X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=c05aa1406b376a71ba8071f4b959750721086371;p=qmiga%2Fqemu.git ppc/pnv: Remove PnvLpcController::psi link Create an anonymous output GPIO line to connect the LPC device with the PSIHB device and raise the appropriate PSI IRQ line depending on the processor model. A temporary __pnv_psi_irq_set() routine is introduced to handle the transition. It will be removed when all devices raising PSI interrupts are converted to use GPIOs. Reviewed-by: Daniel Henrique Barboza Signed-off-by: Cédric Le Goater Message-Id: <20220323072846.1780212-3-clg@kaod.org> Signed-off-by: Daniel Henrique Barboza --- diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index c5e48992d9..3469432fbf 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -614,24 +614,36 @@ static void pnv_reset(MachineState *machine) static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp) { Pnv8Chip *chip8 = PNV8_CHIP(chip); + qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_EXTERNAL); + + qdev_connect_gpio_out(DEVICE(&chip8->lpc), 0, irq); return pnv_lpc_isa_create(&chip8->lpc, true, errp); } static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp) { Pnv8Chip *chip8 = PNV8_CHIP(chip); + qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_LPC_I2C); + + qdev_connect_gpio_out(DEVICE(&chip8->lpc), 0, irq); return pnv_lpc_isa_create(&chip8->lpc, false, errp); } static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp) { Pnv9Chip *chip9 = PNV9_CHIP(chip); + qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip9->psi), PSIHB9_IRQ_LPCHC); + + qdev_connect_gpio_out(DEVICE(&chip9->lpc), 0, irq); return pnv_lpc_isa_create(&chip9->lpc, false, errp); } static ISABus *pnv_chip_power10_isa_create(PnvChip *chip, Error **errp) { Pnv10Chip *chip10 = PNV10_CHIP(chip); + qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip10->psi), PSIHB9_IRQ_LPCHC); + + qdev_connect_gpio_out(DEVICE(&chip10->lpc), 0, irq); return pnv_lpc_isa_create(&chip10->lpc, false, errp); } @@ -1222,8 +1234,6 @@ static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) &PNV_PSI(psi8)->xscom_regs); /* Create LPC controller */ - object_property_set_link(OBJECT(&chip8->lpc), "psi", OBJECT(&chip8->psi), - &error_abort); qdev_realize(DEVICE(&chip8->lpc), NULL, &error_fatal); pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs); @@ -1507,8 +1517,6 @@ static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) &PNV_PSI(psi9)->xscom_regs); /* LPC */ - object_property_set_link(OBJECT(&chip9->lpc), "psi", OBJECT(&chip9->psi), - &error_abort); if (!qdev_realize(DEVICE(&chip9->lpc), NULL, errp)) { return; } @@ -1712,8 +1720,6 @@ static void pnv_chip_power10_realize(DeviceState *dev, Error **errp) &PNV_PSI(&chip10->psi)->xscom_regs); /* LPC */ - object_property_set_link(OBJECT(&chip10->lpc), "psi", - OBJECT(&chip10->psi), &error_abort); if (!qdev_realize(DEVICE(&chip10->lpc), NULL, errp)) { return; } diff --git a/hw/ppc/pnv_lpc.c b/hw/ppc/pnv_lpc.c index bcbca3db97..ee890e7ab4 100644 --- a/hw/ppc/pnv_lpc.c +++ b/hw/ppc/pnv_lpc.c @@ -422,7 +422,6 @@ static const MemoryRegionOps pnv_lpc_mmio_ops = { static void pnv_lpc_eval_irqs(PnvLpcController *lpc) { bool lpc_to_opb_irq = false; - PnvLpcClass *plc = PNV_LPC_GET_CLASS(lpc); /* Update LPC controller to OPB line */ if (lpc->lpc_hc_irqser_ctrl & LPC_HC_IRQSER_EN) { @@ -445,7 +444,7 @@ static void pnv_lpc_eval_irqs(PnvLpcController *lpc) lpc->opb_irq_stat |= lpc->opb_irq_input & lpc->opb_irq_mask; /* Reflect the interrupt */ - pnv_psi_irq_set(lpc->psi, plc->psi_irq, lpc->opb_irq_stat != 0); + qemu_set_irq(lpc->psi_irq, lpc->opb_irq_stat != 0); } static uint64_t lpc_hc_read(void *opaque, hwaddr addr, unsigned size) @@ -637,8 +636,6 @@ static void pnv_lpc_power8_class_init(ObjectClass *klass, void *data) xdc->dt_xscom = pnv_lpc_dt_xscom; - plc->psi_irq = PSIHB_IRQ_LPC_I2C; - device_class_set_parent_realize(dc, pnv_lpc_power8_realize, &plc->parent_realize); } @@ -677,8 +674,6 @@ static void pnv_lpc_power9_class_init(ObjectClass *klass, void *data) dc->desc = "PowerNV LPC Controller POWER9"; - plc->psi_irq = PSIHB9_IRQ_LPCHC; - device_class_set_parent_realize(dc, pnv_lpc_power9_realize, &plc->parent_realize); } @@ -706,8 +701,6 @@ static void pnv_lpc_realize(DeviceState *dev, Error **errp) { PnvLpcController *lpc = PNV_LPC(dev); - assert(lpc->psi); - /* Reg inits */ lpc->lpc_hc_fw_rd_acc_size = LPC_HC_FW_RD_4B; @@ -746,12 +739,9 @@ static void pnv_lpc_realize(DeviceState *dev, Error **errp) "lpc-hc", LPC_HC_REGS_OPB_SIZE); memory_region_add_subregion(&lpc->opb_mr, LPC_HC_REGS_OPB_ADDR, &lpc->lpc_hc_regs); -} -static Property pnv_lpc_properties[] = { - DEFINE_PROP_LINK("psi", PnvLpcController, psi, TYPE_PNV_PSI, PnvPsi *), - DEFINE_PROP_END_OF_LIST(), -}; + qdev_init_gpio_out(DEVICE(dev), &lpc->psi_irq, 1); +} static void pnv_lpc_class_init(ObjectClass *klass, void *data) { @@ -759,7 +749,6 @@ static void pnv_lpc_class_init(ObjectClass *klass, void *data) dc->realize = pnv_lpc_realize; dc->desc = "PowerNV LPC Controller"; - device_class_set_props(dc, pnv_lpc_properties); dc->user_creatable = false; } @@ -803,7 +792,7 @@ static void pnv_lpc_isa_irq_handler_cpld(void *opaque, int n, int level) } if (pnv->cpld_irqstate != old_state) { - pnv_psi_irq_set(lpc->psi, PSIHB_IRQ_EXTERNAL, pnv->cpld_irqstate != 0); + qemu_set_irq(lpc->psi_irq, pnv->cpld_irqstate != 0); } } diff --git a/hw/ppc/pnv_psi.c b/hw/ppc/pnv_psi.c index c588a506c7..8b6298d4bd 100644 --- a/hw/ppc/pnv_psi.c +++ b/hw/ppc/pnv_psi.c @@ -216,6 +216,12 @@ void pnv_psi_irq_set(PnvPsi *psi, int irq, bool state) PNV_PSI_GET_CLASS(psi)->irq_set(psi, irq, state); } +static void __pnv_psi_irq_set(void *opaque, int irq, int state) +{ + PnvPsi *psi = (PnvPsi *) opaque; + PNV_PSI_GET_CLASS(psi)->irq_set(psi, irq, state); +} + static void pnv_psi_power8_irq_set(PnvPsi *psi, int irq, bool state) { uint32_t xivr_reg; @@ -512,6 +518,8 @@ static void pnv_psi_power8_realize(DeviceState *dev, Error **errp) ics_set_irq_type(ics, i, true); } + qdev_init_gpio_in(dev, __pnv_psi_irq_set, ics->nr_irqs); + psi->qirqs = qemu_allocate_irqs(ics_set_irq, ics, ics->nr_irqs); /* XSCOM region for PSI registers */ @@ -873,6 +881,8 @@ static void pnv_psi_power9_realize(DeviceState *dev, Error **errp) psi->qirqs = qemu_allocate_irqs(xive_source_set_irq, xsrc, xsrc->nr_irqs); + qdev_init_gpio_in(dev, __pnv_psi_irq_set, 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); diff --git a/include/hw/ppc/pnv_lpc.h b/include/hw/ppc/pnv_lpc.h index e893e763dd..8a8d1a3d42 100644 --- a/include/hw/ppc/pnv_lpc.h +++ b/include/hw/ppc/pnv_lpc.h @@ -1,7 +1,7 @@ /* * QEMU PowerPC PowerNV LPC controller * - * Copyright (c) 2016, IBM Corporation. + * Copyright (c) 2016-2022, IBM Corporation. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -20,7 +20,6 @@ #ifndef PPC_PNV_LPC_H #define PPC_PNV_LPC_H -#include "hw/ppc/pnv_psi.h" #include "qom/object.h" #define TYPE_PNV_LPC "pnv-lpc" @@ -84,15 +83,12 @@ struct PnvLpcController { MemoryRegion xscom_regs; /* PSI to generate interrupts */ - PnvPsi *psi; + qemu_irq psi_irq; }; - struct PnvLpcClass { DeviceClass parent_class; - int psi_irq; - DeviceRealize parent_realize; };