From patchwork Thu May 31 22:28:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Snow X-Patchwork-Id: 923646 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 40xj4g2Byfz9s1B for ; Fri, 1 Jun 2018 08:36:51 +1000 (AEST) Received: from localhost ([::1]:46413 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fOWBc-0006Jn-Tl for incoming@patchwork.ozlabs.org; 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Thu, 31 May 2018 22:28:39 +0000 (UTC) From: John Snow To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Thu, 31 May 2018 18:28:21 -0400 Message-Id: <20180531222835.16558-3-jsnow@redhat.com> In-Reply-To: <20180531222835.16558-1-jsnow@redhat.com> References: <20180531222835.16558-1-jsnow@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Thu, 31 May 2018 22:28:39 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Thu, 31 May 2018 22:28:39 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'jsnow@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v2 02/16] ahci: modify ahci_port_read to use register numbers X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: John Snow , f4bug@amsat.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: John Snow --- hw/ide/ahci.c | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 48130c6439..5187bf34ad 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -93,41 +93,42 @@ static const char *AHCIPortIRQ_lookup[AHCI_PORT_IRQ__COUNT] = { [AHCI_PORT_IRQ_BIT_CPDS] = "CPDS" }; -static uint32_t ahci_port_read(AHCIState *s, int port, int offset) +static uint32_t ahci_port_read(AHCIState *s, int port, int offset) { uint32_t val; - AHCIPortRegs *pr; - pr = &s->dev[port].port_regs; + AHCIPortRegs *pr = &s->dev[port].port_regs; + enum AHCIPortReg regnum = offset / sizeof(uint32_t); + assert(regnum < (AHCI_PORT_ADDR_OFFSET_LEN / sizeof(uint32_t))); - switch (offset) { - case PORT_LST_ADDR: + switch (regnum) { + case AHCI_PORT_REG_LST_ADDR: val = pr->lst_addr; break; - case PORT_LST_ADDR_HI: + case AHCI_PORT_REG_LST_ADDR_HI: val = pr->lst_addr_hi; break; - case PORT_FIS_ADDR: + case AHCI_PORT_REG_FIS_ADDR: val = pr->fis_addr; break; - case PORT_FIS_ADDR_HI: + case AHCI_PORT_REG_FIS_ADDR_HI: val = pr->fis_addr_hi; break; - case PORT_IRQ_STAT: + case AHCI_PORT_REG_IRQ_STAT: val = pr->irq_stat; break; - case PORT_IRQ_MASK: + case AHCI_PORT_REG_IRQ_MASK: val = pr->irq_mask; break; - case PORT_CMD: + case AHCI_PORT_REG_CMD: val = pr->cmd; break; - case PORT_TFDATA: + case AHCI_PORT_REG_TFDATA: val = pr->tfdata; break; - case PORT_SIG: + case AHCI_PORT_REG_SIG: val = pr->sig; break; - case PORT_SCR_STAT: + case AHCI_PORT_REG_SCR_STAT: if (s->dev[port].port.ifs[0].blk) { val = SATA_SCR_SSTATUS_DET_DEV_PRESENT_PHY_UP | SATA_SCR_SSTATUS_SPD_GEN1 | SATA_SCR_SSTATUS_IPM_ACTIVE; @@ -135,19 +136,18 @@ static uint32_t ahci_port_read(AHCIState *s, int port, int offset) val = SATA_SCR_SSTATUS_DET_NODEV; } break; - case PORT_SCR_CTL: + case AHCI_PORT_REG_SCR_CTL: val = pr->scr_ctl; break; - case PORT_SCR_ERR: + case AHCI_PORT_REG_SCR_ERR: val = pr->scr_err; break; - case PORT_SCR_ACT: + case AHCI_PORT_REG_SCR_ACT: val = pr->scr_act; break; - case PORT_CMD_ISSUE: + case AHCI_PORT_REG_CMD_ISSUE: val = pr->cmd_issue; break; - case PORT_RESERVED: default: val = 0; }