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[88.21.205.47]) by smtp.gmail.com with ESMTPSA id a22sm864817edx.25.2020.03.05.04.13.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Mar 2020 04:13:16 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v3 4/7] hw/scsi/spapr_vscsi: Introduce req_iu() helper Date: Thu, 5 Mar 2020 13:12:50 +0100 Message-Id: <20200305121253.19078-5-philmd@redhat.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200305121253.19078-1-philmd@redhat.com> References: <20200305121253.19078-1-philmd@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8; text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 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: , Cc: Fam Zheng , Greg Kurz , qemu-ppc@nongnu.org, Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Introduce the req_iu() helper which returns a pointer to the viosrp_iu union held in the vscsi_req structure. This simplifies the next patch. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- v2: Simplify req_iu, rename 'ui -> iu' in commit description (dgibson) --- hw/scsi/spapr_vscsi.c | 39 +++++++++++++++++++++++---------------- 1 file changed, 23 insertions(+), 16 deletions(-) diff --git a/hw/scsi/spapr_vscsi.c b/hw/scsi/spapr_vscsi.c index 3cb5a38181..70547f98ac 100644 --- a/hw/scsi/spapr_vscsi.c +++ b/hw/scsi/spapr_vscsi.c @@ -97,6 +97,11 @@ typedef struct { vscsi_req reqs[VSCSI_REQ_LIMIT]; } VSCSIState; =20 +static union viosrp_iu *req_iu(vscsi_req *req) +{ + return &req->iu; +} + static struct vscsi_req *vscsi_get_req(VSCSIState *s) { vscsi_req *req; @@ -121,7 +126,7 @@ static struct vscsi_req *vscsi_find_req(VSCSIState *s, = uint64_t srp_tag) =20 for (i =3D 0; i < VSCSI_REQ_LIMIT; i++) { req =3D &s->reqs[i]; - if (req->iu.srp.cmd.tag =3D=3D srp_tag) { + if (req_iu(req)->srp.cmd.tag =3D=3D srp_tag) { return req; } } @@ -188,7 +193,7 @@ static int vscsi_send_iu(VSCSIState *s, vscsi_req *req, req->crq.s.reserved =3D 0x00; req->crq.s.timeout =3D cpu_to_be16(0x0000); req->crq.s.IU_length =3D cpu_to_be16(length); - req->crq.s.IU_data_ptr =3D req->iu.srp.rsp.tag; /* right byte order */ + req->crq.s.IU_data_ptr =3D req_iu(req)->srp.rsp.tag; /* right byte ord= er */ =20 if (rc =3D=3D 0) { req->crq.s.status =3D VIOSRP_OK; @@ -224,7 +229,7 @@ static void vscsi_makeup_sense(VSCSIState *s, vscsi_req= *req, static int vscsi_send_rsp(VSCSIState *s, vscsi_req *req, uint8_t status, int32_t res_in, int32_t res_out) { - union viosrp_iu *iu =3D &req->iu; + union viosrp_iu *iu =3D req_iu(req); uint64_t tag =3D iu->srp.rsp.tag; int total_len =3D sizeof(iu->srp.rsp); uint8_t sol_not =3D iu->srp.cmd.sol_not; @@ -285,7 +290,7 @@ static int vscsi_fetch_desc(VSCSIState *s, struct vscsi= _req *req, unsigned n, unsigned buf_offset, struct srp_direct_buf *ret) { - struct srp_cmd *cmd =3D &req->iu.srp.cmd; + struct srp_cmd *cmd =3D &req_iu(req)->srp.cmd; =20 switch (req->dma_fmt) { case SRP_NO_DATA_DESC: { @@ -473,7 +478,7 @@ static int data_out_desc_size(struct srp_cmd *cmd) =20 static int vscsi_preprocess_desc(vscsi_req *req) { - struct srp_cmd *cmd =3D &req->iu.srp.cmd; + struct srp_cmd *cmd =3D &req_iu(req)->srp.cmd; =20 req->cdb_offset =3D cmd->add_cdb_len & ~3; =20 @@ -655,7 +660,7 @@ static void *vscsi_load_request(QEMUFile *f, SCSIReques= t *sreq) =20 static void vscsi_process_login(VSCSIState *s, vscsi_req *req) { - union viosrp_iu *iu =3D &req->iu; + union viosrp_iu *iu =3D req_iu(req); struct srp_login_rsp *rsp =3D &iu->srp.login_rsp; uint64_t tag =3D iu->srp.rsp.tag; =20 @@ -681,7 +686,7 @@ static void vscsi_process_login(VSCSIState *s, vscsi_re= q *req) =20 static void vscsi_inquiry_no_target(VSCSIState *s, vscsi_req *req) { - uint8_t *cdb =3D req->iu.srp.cmd.cdb; + uint8_t *cdb =3D req_iu(req)->srp.cmd.cdb; uint8_t resp_data[36]; int rc, len, alen; =20 @@ -770,7 +775,7 @@ static void vscsi_report_luns(VSCSIState *s, vscsi_req = *req) =20 static int vscsi_queue_cmd(VSCSIState *s, vscsi_req *req) { - union srp_iu *srp =3D &req->iu.srp; + union srp_iu *srp =3D &req_iu(req)->srp; SCSIDevice *sdev; int n, lun; =20 @@ -821,7 +826,7 @@ static int vscsi_queue_cmd(VSCSIState *s, vscsi_req *re= q) =20 static int vscsi_process_tsk_mgmt(VSCSIState *s, vscsi_req *req) { - union viosrp_iu *iu =3D &req->iu; + union viosrp_iu *iu =3D req_iu(req); vscsi_req *tmpreq; int i, lun =3D 0, resp =3D SRP_TSK_MGMT_COMPLETE; SCSIDevice *d; @@ -831,7 +836,8 @@ static int vscsi_process_tsk_mgmt(VSCSIState *s, vscsi_= req *req) fprintf(stderr, "vscsi_process_tsk_mgmt %02x\n", iu->srp.tsk_mgmt.tsk_mgmt_func); =20 - d =3D vscsi_device_find(&s->bus, be64_to_cpu(req->iu.srp.tsk_mgmt.lun)= , &lun); + d =3D vscsi_device_find(&s->bus, + be64_to_cpu(req_iu(req)->srp.tsk_mgmt.lun), &lun= ); if (!d) { resp =3D SRP_TSK_MGMT_FIELDS_INVALID; } else { @@ -842,7 +848,7 @@ static int vscsi_process_tsk_mgmt(VSCSIState *s, vscsi_= req *req) break; } =20 - tmpreq =3D vscsi_find_req(s, req->iu.srp.tsk_mgmt.task_tag); + tmpreq =3D vscsi_find_req(s, req_iu(req)->srp.tsk_mgmt.task_ta= g); if (tmpreq && tmpreq->sreq) { assert(tmpreq->sreq->hba_private); scsi_req_cancel(tmpreq->sreq); @@ -867,7 +873,8 @@ static int vscsi_process_tsk_mgmt(VSCSIState *s, vscsi_= req *req) =20 for (i =3D 0; i < VSCSI_REQ_LIMIT; i++) { tmpreq =3D &s->reqs[i]; - if (tmpreq->iu.srp.cmd.lun !=3D req->iu.srp.tsk_mgmt.lun) = { + if (req_iu(tmpreq)->srp.cmd.lun + !=3D req_iu(req)->srp.tsk_mgmt.lun) { continue; } if (!tmpreq->active || !tmpreq->sreq) { @@ -911,7 +918,7 @@ static int vscsi_process_tsk_mgmt(VSCSIState *s, vscsi_= req *req) =20 static int vscsi_handle_srp_req(VSCSIState *s, vscsi_req *req) { - union srp_iu *srp =3D &req->iu.srp; + union srp_iu *srp =3D &req_iu(req)->srp; int done =3D 1; uint8_t opcode =3D srp->rsp.opcode; =20 @@ -948,7 +955,7 @@ static int vscsi_send_adapter_info(VSCSIState *s, vscsi= _req *req) struct mad_adapter_info_data info; int rc; =20 - sinfo =3D &req->iu.mad.adapter_info; + sinfo =3D &req_iu(req)->mad.adapter_info; =20 #if 0 /* What for ? */ rc =3D spapr_vio_dma_read(&s->vdev, be64_to_cpu(sinfo->buffer), @@ -984,7 +991,7 @@ static int vscsi_send_capabilities(VSCSIState *s, vscsi= _req *req) uint64_t buffer; int rc; =20 - vcap =3D &req->iu.mad.capabilities; + vcap =3D &req_iu(req)->mad.capabilities; req_len =3D len =3D be16_to_cpu(vcap->common.length); buffer =3D be64_to_cpu(vcap->buffer); if (len > sizeof(cap)) { @@ -1029,7 +1036,7 @@ static int vscsi_send_capabilities(VSCSIState *s, vsc= si_req *req) =20 static int vscsi_handle_mad_req(VSCSIState *s, vscsi_req *req) { - union mad_iu *mad =3D &req->iu.mad; + union mad_iu *mad =3D &req_iu(req)->mad; bool request_handled =3D false; uint64_t retlen =3D 0; =20 --=20 2.21.1