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Thu, 2 Mar 2023 16:37:16 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 26D1920040; Thu, 2 Mar 2023 16:37:16 +0000 (GMT) Received: from borneo.ibmuc.com (unknown [9.171.65.81]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 2 Mar 2023 16:37:16 +0000 (GMT) From: Frederic Barrat To: clg@kaod.org, danielhb413@gmail.com, qemu-ppc@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 1/4] pnv_phb4_pec: Keep track of instantiated PHBs Date: Thu, 2 Mar 2023 17:37:12 +0100 Message-Id: <20230302163715.129635-2-fbarrat@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230302163715.129635-1-fbarrat@linux.ibm.com> References: <20230302163715.129635-1-fbarrat@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: cZJ0VhviZOZgw4VrOQofEqJIy2PiB5kW X-Proofpoint-ORIG-GUID: EbSj8lwpoZiMcWw1Tf3YT5Z4th5jXV-5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-02_09,2023-03-02_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 mlxscore=0 priorityscore=1501 suspectscore=0 lowpriorityscore=0 malwarescore=0 mlxlogscore=675 impostorscore=0 clxscore=1015 spamscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2303020144 Received-SPF: pass client-ip=148.163.156.1; envelope-from=fbarrat@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add an array on the PEC object to keep track of the PHBs which are instantiated. The array can be sparsely populated when using user-created PHBs. It will be useful for the next patch to only export instantiated PHBs in the device tree. Signed-off-by: Frederic Barrat Reviewed-by: Daniel Henrique Barboza --- hw/pci-host/pnv_phb4_pec.c | 12 +++++++----- hw/ppc/pnv.c | 1 + include/hw/pci-host/pnv_phb4.h | 2 ++ 3 files changed, 10 insertions(+), 5 deletions(-) diff --git a/hw/pci-host/pnv_phb4_pec.c b/hw/pci-host/pnv_phb4_pec.c index 43267a428f..97c06bb0a0 100644 --- a/hw/pci-host/pnv_phb4_pec.c +++ b/hw/pci-host/pnv_phb4_pec.c @@ -112,9 +112,9 @@ static const MemoryRegionOps pnv_pec_pci_xscom_ops = { .endianness = DEVICE_BIG_ENDIAN, }; -static void pnv_pec_default_phb_realize(PnvPhb4PecState *pec, - int stack_no, - Error **errp) +static PnvPHB *pnv_pec_default_phb_realize(PnvPhb4PecState *pec, + int stack_no, + Error **errp) { PnvPHB *phb = PNV_PHB(qdev_new(TYPE_PNV_PHB)); int phb_id = pnv_phb4_pec_get_phb_id(pec, stack_no); @@ -128,8 +128,9 @@ static void pnv_pec_default_phb_realize(PnvPhb4PecState *pec, &error_fatal); if (!sysbus_realize(SYS_BUS_DEVICE(phb), errp)) { - return; + return NULL; } + return phb; } static void pnv_pec_realize(DeviceState *dev, Error **errp) @@ -148,8 +149,9 @@ static void pnv_pec_realize(DeviceState *dev, Error **errp) /* Create PHBs if running with defaults */ if (defaults_enabled()) { + g_assert(pec->num_phbs <= MAX_PHBS_PER_PEC); for (i = 0; i < pec->num_phbs; i++) { - pnv_pec_default_phb_realize(pec, i, errp); + pec->phbs[i] = pnv_pec_default_phb_realize(pec, i, errp); } } diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 44b1fbbc93..24bf8461d6 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -314,6 +314,7 @@ static PnvPhb4PecState *pnv_phb4_get_pec(PnvChip *chip, PnvPHB4 *phb, for (j = 0; j < pec->num_phbs; j++) { if (index == pnv_phb4_pec_get_phb_id(pec, j)) { + pec->phbs[j] = phb->phb_base; return pec; } } diff --git a/include/hw/pci-host/pnv_phb4.h b/include/hw/pci-host/pnv_phb4.h index 28d61b96c7..0b72ef1471 100644 --- a/include/hw/pci-host/pnv_phb4.h +++ b/include/hw/pci-host/pnv_phb4.h @@ -185,6 +185,8 @@ struct PnvPhb4PecState { /* PHBs */ uint32_t num_phbs; +#define MAX_PHBS_PER_PEC 3 + PnvPHB *phbs[MAX_PHBS_PER_PEC]; PnvChip *chip; };