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[193.152.124.33]) by smtp.gmail.com with ESMTPSA id az15sm4222751wmb.47.2021.12.23.03.58.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Dec 2021 03:58:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1640260734; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QvhGQ7ni8djSAeJQKRJ8D/v7/Iobbm1EjIUqX2bC7Rw=; b=PtWDrHgnuOnJRSh98MZ420nC6DNp2r+BW8FVLOAGlRpMgd5I8osIxDBr9zSs6Kf0P4fm9s GPBYEXGReJeWPutkkLfv9vhRRBw27eWgFDFabr1UqygIGnuoKH5N8hvtPKzWk+O9eDg98C /9QCuURqiy0ovkDIlWpFZGm1cF5tjv0= X-MC-Unique: zKrnS03pNKyEaVFXgihrCQ-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=QvhGQ7ni8djSAeJQKRJ8D/v7/Iobbm1EjIUqX2bC7Rw=; b=g2+OQnXnygQIqcLXc050tDbQBQwNgslEcd+zC0MR2NdVtprvmHYCow6nfpgHX9PmFq F3ixCHBIrcJt5+o8YsPm05vijvke2nzrflViCmBvECZNhk/sL629AQNkKy92GRIKBGRa QhIk1riw61ATbsB+yEqxhXZMMb2i1RTMfYDzaUKcZlCQJ/R+PpMhPQlI117yBX7uOlGS 73fBPYJ20DpfjrfDie7CBXIbxqDqEwh63pMZTDoiUIKoFxRRYxlQejzYXt4Wt7l6YIUA tV/W8bcu21LOUpSl+GICgEpJII1hcjE+ptEzloTqM+p5Ldn3216QuShEgX2eqL09MBil VUvw== X-Gm-Message-State: AOAM532r2+yEmjchkFau5xMmP0rA7DjBxGeAxHeRimHLIMqlVy+XOHEN Fd/dloJDIF/QdK/mGPBBSXaPJ7wQXxM90gt/CLKiyQXK04F75qiKw4Y+suwUtr7qok7KhsAvXh1 T/opgyF4m8dnqvA== X-Received: by 2002:adf:c182:: with SMTP id x2mr1570774wre.646.1640260731926; Thu, 23 Dec 2021 03:58:51 -0800 (PST) X-Google-Smtp-Source: ABdhPJxEF2YmrIC2McauXzIIDHkMe0pi0Zddo8iJsQQQxKSrm0B6dybhy/E1ac8DsfLcJGFXfQpi/Q== X-Received: by 2002:adf:c182:: with SMTP id x2mr1570729wre.646.1640260731702; Thu, 23 Dec 2021 03:58:51 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Joel Stanley , Richard Henderson , qemu-block@nongnu.org, Jason Wang , Keith Busch , "Michael S. Tsirkin" , Fam Zheng , Alistair Francis , David Hildenbrand , Eduardo Habkost , Havard Skinnemoen , Sven Schnelle , Tyrone Ting , Gerd Hoffmann , Peter Maydell , Beniamino Galvani , Daniel Henrique Barboza , Dmitry Fleytman , John Snow , Bin Meng , Greg Kurz , Eric Auger , Mark Cave-Ayland , "Edgar E. Iglesias" , Andrew Jeffery , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Marcel Apfelbaum , Andrew Baumann , Hannes Reinecke , Paolo Bonzini , Peter Xu , qemu-arm@nongnu.org, Klaus Jensen , Stefan Weil , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-ppc@nongnu.org, Jan Kiszka , David Gibson , Klaus Jensen Subject: [PATCH v2 12/23] dma: Let dma_buf_read() take MemTxAttrs argument Date: Thu, 23 Dec 2021 12:55:43 +0100 Message-Id: <20211223115554.3155328-13-philmd@redhat.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211223115554.3155328-1-philmd@redhat.com> References: <20211223115554.3155328-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1640260737022100001 Let devices specify transaction attributes when calling dma_buf_read(). Keep the default MEMTXATTRS_UNSPECIFIED in the few callers. Reviewed-by: Klaus Jensen Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/sysemu/dma.h | 2 +- hw/ide/ahci.c | 4 ++-- hw/nvme/ctrl.c | 2 +- hw/scsi/megasas.c | 24 ++++++++++++------------ hw/scsi/scsi-bus.c | 2 +- softmmu/dma-helpers.c | 5 ++--- 6 files changed, 19 insertions(+), 20 deletions(-) diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h index e3dd74a9c4f..fd8f16003dd 100644 --- a/include/sysemu/dma.h +++ b/include/sysemu/dma.h @@ -302,7 +302,7 @@ BlockAIOCB *dma_blk_read(BlockBackend *blk, BlockAIOCB *dma_blk_write(BlockBackend *blk, QEMUSGList *sg, uint64_t offset, uint32_t align, BlockCompletionFunc *cb, void *opaque); -uint64_t dma_buf_read(void *ptr, int32_t len, QEMUSGList *sg); +uint64_t dma_buf_read(void *ptr, int32_t len, QEMUSGList *sg, MemTxAttrs a= ttrs); uint64_t dma_buf_write(void *ptr, int32_t len, QEMUSGList *sg, MemTxAttrs = attrs); =20 void dma_acct_start(BlockBackend *blk, BlockAcctCookie *cookie, diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 079d2977f23..205dfdc6622 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -1386,7 +1386,7 @@ static void ahci_pio_transfer(const IDEDMA *dma) if (is_write) { dma_buf_write(s->data_ptr, size, &s->sg, attrs); } else { - dma_buf_read(s->data_ptr, size, &s->sg); + dma_buf_read(s->data_ptr, size, &s->sg, attrs); } } =20 @@ -1479,7 +1479,7 @@ static int ahci_dma_rw_buf(const IDEDMA *dma, bool is= _write) } =20 if (is_write) { - dma_buf_read(p, l, &s->sg); + dma_buf_read(p, l, &s->sg, MEMTXATTRS_UNSPECIFIED); } else { dma_buf_write(p, l, &s->sg, MEMTXATTRS_UNSPECIFIED); } diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index e1a531d5d6c..462f79a1f60 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -1152,7 +1152,7 @@ static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, uint= 8_t *ptr, uint32_t len, if (dir =3D=3D NVME_TX_DIRECTION_TO_DEVICE) { residual =3D dma_buf_write(ptr, len, &sg->qsg, attrs); } else { - residual =3D dma_buf_read(ptr, len, &sg->qsg); + residual =3D dma_buf_read(ptr, len, &sg->qsg, attrs); } =20 if (unlikely(residual)) { diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c index da1c88167ee..fe36de10a21 100644 --- a/hw/scsi/megasas.c +++ b/hw/scsi/megasas.c @@ -848,7 +848,7 @@ static int megasas_ctrl_get_info(MegasasState *s, Megas= asCmd *cmd) MFI_INFO_PDMIX_SATA | MFI_INFO_PDMIX_LD); =20 - cmd->iov_size -=3D dma_buf_read(&info, dcmd_size, &cmd->qsg); + cmd->iov_size -=3D dma_buf_read(&info, dcmd_size, &cmd->qsg, MEMTXATTR= S_UNSPECIFIED); return MFI_STAT_OK; } =20 @@ -878,7 +878,7 @@ static int megasas_mfc_get_defaults(MegasasState *s, Me= gasasCmd *cmd) info.disable_preboot_cli =3D 1; info.cluster_disable =3D 1; =20 - cmd->iov_size -=3D dma_buf_read(&info, dcmd_size, &cmd->qsg); + cmd->iov_size -=3D dma_buf_read(&info, dcmd_size, &cmd->qsg, MEMTXATTR= S_UNSPECIFIED); return MFI_STAT_OK; } =20 @@ -899,7 +899,7 @@ static int megasas_dcmd_get_bios_info(MegasasState *s, = MegasasCmd *cmd) info.expose_all_drives =3D 1; } =20 - cmd->iov_size -=3D dma_buf_read(&info, dcmd_size, &cmd->qsg); + cmd->iov_size -=3D dma_buf_read(&info, dcmd_size, &cmd->qsg, MEMTXATTR= S_UNSPECIFIED); return MFI_STAT_OK; } =20 @@ -910,7 +910,7 @@ static int megasas_dcmd_get_fw_time(MegasasState *s, Me= gasasCmd *cmd) =20 fw_time =3D cpu_to_le64(megasas_fw_time()); =20 - cmd->iov_size -=3D dma_buf_read(&fw_time, dcmd_size, &cmd->qsg); + cmd->iov_size -=3D dma_buf_read(&fw_time, dcmd_size, &cmd->qsg, MEMTXA= TTRS_UNSPECIFIED); return MFI_STAT_OK; } =20 @@ -937,7 +937,7 @@ static int megasas_event_info(MegasasState *s, MegasasC= md *cmd) info.shutdown_seq_num =3D cpu_to_le32(s->shutdown_event); info.boot_seq_num =3D cpu_to_le32(s->boot_event); =20 - cmd->iov_size -=3D dma_buf_read(&info, dcmd_size, &cmd->qsg); + cmd->iov_size -=3D dma_buf_read(&info, dcmd_size, &cmd->qsg, MEMTXATTR= S_UNSPECIFIED); return MFI_STAT_OK; } =20 @@ -1006,7 +1006,7 @@ static int megasas_dcmd_pd_get_list(MegasasState *s, = MegasasCmd *cmd) info.size =3D cpu_to_le32(offset); info.count =3D cpu_to_le32(num_pd_disks); =20 - cmd->iov_size -=3D dma_buf_read(&info, offset, &cmd->qsg); + cmd->iov_size -=3D dma_buf_read(&info, offset, &cmd->qsg, MEMTXATTRS_U= NSPECIFIED); return MFI_STAT_OK; } =20 @@ -1100,7 +1100,7 @@ static int megasas_pd_get_info_submit(SCSIDevice *sde= v, int lun, info->connected_port_bitmap =3D 0x1; info->device_speed =3D 1; info->link_speed =3D 1; - resid =3D dma_buf_read(cmd->iov_buf, dcmd_size, &cmd->qsg); + resid =3D dma_buf_read(cmd->iov_buf, dcmd_size, &cmd->qsg, MEMTXATTRS_= UNSPECIFIED); g_free(cmd->iov_buf); cmd->iov_size =3D dcmd_size - resid; cmd->iov_buf =3D NULL; @@ -1172,7 +1172,7 @@ static int megasas_dcmd_ld_get_list(MegasasState *s, = MegasasCmd *cmd) info.ld_count =3D cpu_to_le32(num_ld_disks); trace_megasas_dcmd_ld_get_list(cmd->index, num_ld_disks, max_ld_disks); =20 - resid =3D dma_buf_read(&info, dcmd_size, &cmd->qsg); + resid =3D dma_buf_read(&info, dcmd_size, &cmd->qsg, MEMTXATTRS_UNSPECI= FIED); cmd->iov_size =3D dcmd_size - resid; return MFI_STAT_OK; } @@ -1221,7 +1221,7 @@ static int megasas_dcmd_ld_list_query(MegasasState *s= , MegasasCmd *cmd) info.size =3D dcmd_size; trace_megasas_dcmd_ld_get_list(cmd->index, num_ld_disks, max_ld_disks); =20 - resid =3D dma_buf_read(&info, dcmd_size, &cmd->qsg); + resid =3D dma_buf_read(&info, dcmd_size, &cmd->qsg, MEMTXATTRS_UNSPECI= FIED); cmd->iov_size =3D dcmd_size - resid; return MFI_STAT_OK; } @@ -1271,7 +1271,7 @@ static int megasas_ld_get_info_submit(SCSIDevice *sde= v, int lun, info->ld_config.span[0].num_blocks =3D info->size; info->ld_config.span[0].array_ref =3D cpu_to_le16(sdev_id); =20 - resid =3D dma_buf_read(cmd->iov_buf, dcmd_size, &cmd->qsg); + resid =3D dma_buf_read(cmd->iov_buf, dcmd_size, &cmd->qsg, MEMTXATTRS_= UNSPECIFIED); g_free(cmd->iov_buf); cmd->iov_size =3D dcmd_size - resid; cmd->iov_buf =3D NULL; @@ -1390,7 +1390,7 @@ static int megasas_dcmd_cfg_read(MegasasState *s, Meg= asasCmd *cmd) ld_offset +=3D sizeof(struct mfi_ld_config); } =20 - cmd->iov_size -=3D dma_buf_read(data, info->size, &cmd->qsg); + cmd->iov_size -=3D dma_buf_read(data, info->size, &cmd->qsg, MEMTXATTR= S_UNSPECIFIED); return MFI_STAT_OK; } =20 @@ -1420,7 +1420,7 @@ static int megasas_dcmd_get_properties(MegasasState *= s, MegasasCmd *cmd) info.ecc_bucket_leak_rate =3D cpu_to_le16(1440); info.expose_encl_devices =3D 1; =20 - cmd->iov_size -=3D dma_buf_read(&info, dcmd_size, &cmd->qsg); + cmd->iov_size -=3D dma_buf_read(&info, dcmd_size, &cmd->qsg, MEMTXATTR= S_UNSPECIFIED); return MFI_STAT_OK; } =20 diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index 64a506a3975..2b5e9dca311 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -1421,7 +1421,7 @@ void scsi_req_data(SCSIRequest *req, int len) =20 buf =3D scsi_req_get_buf(req); if (req->cmd.mode =3D=3D SCSI_XFER_FROM_DEV) { - req->resid =3D dma_buf_read(buf, len, req->sg); + req->resid =3D dma_buf_read(buf, len, req->sg, MEMTXATTRS_UNSPECIF= IED); } else { req->resid =3D dma_buf_write(buf, len, req->sg, MEMTXATTRS_UNSPECI= FIED); } diff --git a/softmmu/dma-helpers.c b/softmmu/dma-helpers.c index 2f1a241b81a..a391773c296 100644 --- a/softmmu/dma-helpers.c +++ b/softmmu/dma-helpers.c @@ -316,10 +316,9 @@ static uint64_t dma_buf_rw(void *buf, int32_t len, QEM= USGList *sg, return resid; } =20 -uint64_t dma_buf_read(void *ptr, int32_t len, QEMUSGList *sg) +uint64_t dma_buf_read(void *ptr, int32_t len, QEMUSGList *sg, MemTxAttrs a= ttrs) { - return dma_buf_rw(ptr, len, sg, DMA_DIRECTION_FROM_DEVICE, - MEMTXATTRS_UNSPECIFIED); + return dma_buf_rw(ptr, len, sg, DMA_DIRECTION_FROM_DEVICE, attrs); } =20 uint64_t dma_buf_write(void *ptr, int32_t len, QEMUSGList *sg, MemTxAttrs = attrs) --=20 2.33.1