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Thu, 1 Jun 2023 12:13:32 +0000 (GMT) From: Frederic Barrat To: clg@kaod.org, danielhb413@gmail.com, qemu-ppc@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v2 2/5] pnv/xive2: Add definition for the ESB cache configuration register Date: Thu, 1 Jun 2023 14:13:28 +0200 Message-Id: <20230601121331.487207-3-fbarrat@linux.ibm.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601121331.487207-1-fbarrat@linux.ibm.com> References: <20230601121331.487207-1-fbarrat@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: _3VOIIR4zYaeEIMskJ-bN4SJy5NeV5IO X-Proofpoint-GUID: AcHZVastytFX3ZSGfPW0lr4ohTeQWdEp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-06-01_08,2023-05-31_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=929 impostorscore=0 malwarescore=0 phishscore=0 adultscore=0 priorityscore=1501 spamscore=0 suspectscore=0 clxscore=1015 mlxscore=0 lowpriorityscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2306010107 Received-SPF: pass client-ip=148.163.158.5; envelope-from=fbarrat@linux.ibm.com; helo=mx0b-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, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 basic read/write support for the ESB cache configuration register on P10. We don't model the ESB cache in qemu so reading/writing the register won't do anything, but it avoids logging a guest error when skiboot configures it: qemu-system-ppc64 -machine powernv10 ... -d guest_errors ... XIVE[0] - VC: invalid read @240 XIVE[0] - VC: invalid write @240 Signed-off-by: Frederic Barrat Reviewed-by: Cédric Le Goater --- hw/intc/pnv_xive2.c | 7 +++++++ hw/intc/pnv_xive2_regs.h | 4 ++++ 2 files changed, 11 insertions(+) diff --git a/hw/intc/pnv_xive2.c b/hw/intc/pnv_xive2.c index f0817a124f..9778c102ff 100644 --- a/hw/intc/pnv_xive2.c +++ b/hw/intc/pnv_xive2.c @@ -959,6 +959,10 @@ static uint64_t pnv_xive2_ic_vc_read(void *opaque, hwaddr offset, val = xive->vc_regs[reg]; break; + case VC_ESBC_CFG: + val = xive->vc_regs[reg]; + break; + /* * EAS cache updates (not modeled) */ @@ -1050,6 +1054,9 @@ static void pnv_xive2_ic_vc_write(void *opaque, hwaddr offset, /* ESB update */ break; + case VC_ESBC_CFG: + break; + /* * EAS cache updates (not modeled) */ diff --git a/hw/intc/pnv_xive2_regs.h b/hw/intc/pnv_xive2_regs.h index 8f1e0a1fde..7165dc8704 100644 --- a/hw/intc/pnv_xive2_regs.h +++ b/hw/intc/pnv_xive2_regs.h @@ -232,6 +232,10 @@ #define VC_ESBC_FLUSH_POLL_BLOCK_ID_MASK PPC_BITMASK(32, 35) #define VC_ESBC_FLUSH_POLL_OFFSET_MASK PPC_BITMASK(36, 63) /* 28-bit */ +/* ESBC configuration */ +#define X_VC_ESBC_CFG 0x148 +#define VC_ESBC_CFG 0x240 + /* EASC flush control register */ #define X_VC_EASC_FLUSH_CTRL 0x160 #define VC_EASC_FLUSH_CTRL 0x300 -- 2.40.1