From nobody Fri Oct 25 19:30:41 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1614897493; cv=none; d=zohomail.com; s=zohoarc; b=V3/P8YvcaNKaP8CMOtejwIamOcAkV3lzebWFe6e1qNtKZ3yslr+PBQgQzW5dLGYKLkWDLf6fiz9P3v6CibAad3u1y9YrEITod2zVzyp2W0brQntmgW8s4K5lEyOLwb8fjP0xzGcsspLI9Z8bG0FDsHhELpT6OKQwUb7DF+/bmhg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1614897493; h=Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=uTHN2JTacNaskN/LrAIBsZHZy4XME3wHnimF5GRJSVU=; b=Oh4J4qxgRNWfoBA49TfGLIkIM5QW9QRLanalnpLhR7UGMSVr3slSJSIK5vX1PfuDUxag+jk2rBdAFMjbiZHNQe8klN9+lEWcL/DlO3nTTQZH3M6GEcod8mxE/Qn/2CKMiwCJkPH9GNSP3MFpoEgQ32n749ZVU5RyhBoDPGOIezA= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1614897493227761.900420992721; Thu, 4 Mar 2021 14:38:13 -0800 (PST) Received: from localhost ([::1]:58000 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lHwbj-0000oz-Uo for importer@patchew.org; Thu, 04 Mar 2021 17:38:11 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:54018) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lHwEq-0001OI-0G for qemu-devel@nongnu.org; Thu, 04 Mar 2021 17:14:33 -0500 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:40250 helo=mail.default.ilande.uk0.bigv.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lHwEo-0006hV-GA for qemu-devel@nongnu.org; Thu, 04 Mar 2021 17:14:31 -0500 Received: from host86-148-34-47.range86-148.btcentralplus.com ([86.148.34.47] helo=kentang.home) by mail.default.ilande.uk0.bigv.io with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lHwEZ-0008MJ-6g; Thu, 04 Mar 2021 22:14:19 +0000 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, pbonzini@redhat.com, fam@euphon.net, laurent@vivier.eu Date: Thu, 4 Mar 2021 22:10:56 +0000 Message-Id: <20210304221103.6369-36-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210304221103.6369-1-mark.cave-ayland@ilande.co.uk> References: <20210304221103.6369-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 86.148.34.47 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v3 35/42] esp: raise interrupt after every non-DMA byte transferred to the FIFO X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.default.ilande.uk0.bigv.io) 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=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.default.ilande.uk0.bigv.io X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, 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: 2.1.23 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" Content-Type: text/plain; charset="utf-8" This matches the description in the datasheet and is required as support for non-DMA transfers is added. Signed-off-by: Mark Cave-Ayland Reviewed-by: Laurent Vivier --- hw/scsi/esp.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index eb6681ca66..4ac299651f 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -760,6 +760,12 @@ void esp_reg_write(ESPState *s, uint32_t saddr, uint64= _t val) s->ti_size++; s->ti_buf[s->ti_wptr++] =3D val & 0xff; } + + /* Non-DMA transfers raise an interrupt after every byte */ + if (s->rregs[ESP_CMD] =3D=3D CMD_TI) { + s->rregs[ESP_RINTR] |=3D INTR_FC | INTR_BS; + esp_raise_irq(s); + } break; case ESP_CMD: s->rregs[saddr] =3D val; --=20 2.20.1