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Sun, 21 Dec 2025 06:23:44 -0800 (PST) From: Soumyajyotii Ssarkar To: qemu-devel@nongnu.org, deller@gmx.de, sarkarsoumyajyoti23@gmail.com, mark.cave-ayland@ilande.co.uk, richard.henderson@linaro.org Cc: Soumyajyotii Ssarkar Subject: [PATCH 07/10] scsi:ncr53c710: Add LUN scanning Date: Sun, 21 Dec 2025 19:53:14 +0530 Message-ID: <20251221142317.266293-8-soumyajyotisarkar23@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20251221142317.266293-1-soumyajyotisarkar23@gmail.com> References: <20251221142317.266293-1-soumyajyotisarkar23@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::442; envelope-from=soumyajyotisarkar23@gmail.com; helo=mail-pf1-x442.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1766327101994158500 Content-Type: text/plain; charset="utf-8" Add multi-lun support by scanning all 8 luns when ANT bit is set Signed-off-by: Soumyajyotii Ssarkar --- hw/scsi/ncr53c710.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-) diff --git a/hw/scsi/ncr53c710.c b/hw/scsi/ncr53c710.c index 3d7318c12e..277aa2c3d3 100644 --- a/hw/scsi/ncr53c710.c +++ b/hw/scsi/ncr53c710.c @@ -1422,8 +1422,30 @@ again: s->dsp =3D s->dnad; break; } - } else if (!scsi_device_find(&s->bus, 0, idbitstonum(id), = 0)) { + } + bool device_exists =3D false; + if (insn & (1 << 24)) { + /* ATN set - scan all LUNs for this target */ + for (int lun =3D 0; lun < 8; lun++) { + SCSIDevice *dev =3D scsi_device_find(&s->bus, 0, + idbitstonum(id), + lun); + if (dev) { + device_exists =3D true; + break; + } + } + } else { + /* No ATN - check only LUN 0 */ + SCSIDevice *dev =3D scsi_device_find(&s->bus, 0, + idbitstonum(id), 0); + device_exists =3D dev !=3D NULL; + } + if (!device_exists) { ncr710_bad_selection(s, id); + if (!(insn & (1 << 24)) && addr !=3D 0) { + s->dsp =3D addr; + } break; } else { /* --=20 2.49.0