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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: softfail client-ip=148.163.156.1; envelope-from=clg@kaod.org; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Daniel Henrique Barboza , Richard Henderson , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1639694453286100001 Content-Type: text/plain; charset="utf-8" Use the num_stacks class attribute to compute the PHB index depending on the PEC index : * PEC0 provides 1 PHB (PHB0) * PEC1 provides 2 PHBs (PHB1 and PHB2) * PEC2 provides 3 PHBs (PHB3, PHB4 and PHB5) The routine pnv_pec_phb_offset() is a bit complex but it also prepares ground for PHB5 which has a different layout of stacks: 3 per PECs. Reviewed-by: Daniel Henrique Barboza Signed-off-by: C=C3=A9dric Le Goater Message-Id: <20211213132830.108372-12-clg@kaod.org> Signed-off-by: C=C3=A9dric Le Goater --- hw/pci-host/pnv_phb4_pec.c | 16 ++++++++++++++++ hw/ppc/pnv.c | 4 +--- 2 files changed, 17 insertions(+), 3 deletions(-) diff --git a/hw/pci-host/pnv_phb4_pec.c b/hw/pci-host/pnv_phb4_pec.c index 293909b5cb90..a7dd4173d598 100644 --- a/hw/pci-host/pnv_phb4_pec.c +++ b/hw/pci-host/pnv_phb4_pec.c @@ -374,6 +374,19 @@ static void pnv_pec_instance_init(Object *obj) } } =20 +static int pnv_pec_phb_offset(PnvPhb4PecState *pec) +{ + PnvPhb4PecClass *pecc =3D PNV_PHB4_PEC_GET_CLASS(pec); + int index =3D pec->index; + int offset =3D 0; + + while (index--) { + offset +=3D pecc->num_stacks[index]; + } + + return offset; +} + static void pnv_pec_realize(DeviceState *dev, Error **errp) { PnvPhb4PecState *pec =3D PNV_PHB4_PEC(dev); @@ -394,8 +407,10 @@ static void pnv_pec_realize(DeviceState *dev, Error **= errp) for (i =3D 0; i < pec->num_stacks; i++) { PnvPhb4PecStack *stack =3D &pec->stacks[i]; Object *stk_obj =3D OBJECT(stack); + int phb_id =3D pnv_pec_phb_offset(pec) + i; =20 object_property_set_int(stk_obj, "stack-no", i, &error_abort); + object_property_set_int(stk_obj, "phb-id", phb_id, &error_abort); object_property_set_link(stk_obj, "pec", OBJECT(pec), &error_abort= ); if (!qdev_realize(DEVICE(stk_obj), NULL, errp)) { return; @@ -538,6 +553,7 @@ static void pnv_pec_stk_instance_init(Object *obj) PnvPhb4PecStack *stack =3D PNV_PHB4_PEC_STACK(obj); =20 object_initialize_child(obj, "phb", &stack->phb, TYPE_PNV_PHB4); + object_property_add_alias(obj, "phb-id", OBJECT(&stack->phb), "index"); } =20 static void pnv_pec_stk_realize(DeviceState *dev, Error **errp) diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 3957a8c3b1ae..712200264be2 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -1384,7 +1384,6 @@ static void pnv_chip_power9_phb_realize(PnvChip *chip= , Error **errp) { Pnv9Chip *chip9 =3D PNV9_CHIP(chip); int i, j; - int phb_id =3D 0; =20 for (i =3D 0; i < chip->num_pecs; i++) { PnvPhb4PecState *pec =3D &chip9->pecs[i]; @@ -1409,11 +1408,10 @@ static void pnv_chip_power9_phb_realize(PnvChip *ch= ip, Error **errp) pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr); pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr); =20 - for (j =3D 0; j < pec->num_stacks; j++, phb_id++) { + for (j =3D 0; j < pec->num_stacks; j++) { PnvPhb4PecStack *stack =3D &pec->stacks[j]; Object *obj =3D OBJECT(&stack->phb); =20 - object_property_set_int(obj, "index", phb_id, &error_fatal); object_property_set_int(obj, "chip-id", chip->chip_id, &error_fatal); object_property_set_int(obj, "version", pecc->version, --=20 2.31.1