[{"id":3678300,"web_url":"http://patchwork.ozlabs.org/comment/3678300/","msgid":"","list_archive_url":null,"date":"2026-04-16T17:54:57","subject":"Re: [PATCH RFC] hw/scsi: Add SCSI tape device emulation","submitter":{"id":2694,"url":"http://patchwork.ozlabs.org/api/people/2694/","name":"Daniel P. Berrangé","email":"berrange@redhat.com"},"content":"On Thu, Apr 16, 2026 at 08:34:48PM +0300, rft0 wrote:\n> Add initial emulation of SCSI tape device supporting basic\n> INQUIRY operation for now.\n> \n> Hi, I am a GSoC 2026 applicant and this is my first patch.\n> Any feedback or corrections appreciated.\n\nWhen you have any notes that are not intended for long\nterm preservation in git history, it is preferrable to\nput them after the \"---\"....\n\n> \n> Signed-off-by: rft0 \n> ---\n\n...just here...\n\n> hw/scsi/meson.build | 1 +\n> hw/scsi/scsi-tape.c | 334 ++++++++++++++++++++++++++++++++++++++++++++\n> 2 files changed, 335 insertions(+)\n> create mode 100644 hw/scsi/scsi-tape.c\n> \n> diff --git a/hw/scsi/meson.build b/hw/scsi/meson.build\n> index 69fde0cf84..1699b6e591 100644\n> --- a/hw/scsi/meson.build\n> +++ b/hw/scsi/meson.build\n> @@ -7,6 +7,7 @@ scsi_ss.add(files(\n> 'scsi-bus.c',\n> 'scsi-disk.c',\n> 'scsi-generic.c',\n> + 'scsi-tape.c',\n> ))\n\nI wonder if we shold add a \"CONFIG_SCSI_TAPE\" KConfig\nflag so that downstreams can selectively enable the tape\nemulation\n\n\n> +static int scsi_disk_emulate_vpd_page(SCSIRequest *req, uint8_t *outbuf)\n> +{\n> + SCSITapeState *s = DO_UPCAST(SCSITapeState, qdev, req->dev);\n> + uint8_t page_code = req->cmd.buf[2];\n> +\n> + outbuf[0] = TYPE_TAPE;\n> + outbuf[1] = page_code;\n> + outbuf[2] = 0x00;\n> + outbuf[3] = 0x00;\n> +\n> + switch (page_code) {\n> + case 0x00: /* Supported VPD pages */\n> + outbuf[4] = 0x00; /* page 0x00 (this page) */\n> + if (s->serial) {\n> + outbuf[5] = 0x80; /* page 0x80 (serial number) */\n> + outbuf[3] = 2; /* page data length */\n> + return 6;\n> + }\n> + outbuf[3] = 1;\n> + return 5;\n> +\n> + case 0x80: /* Unit Serial Number */\n> + if (!s->serial) {\n> + return -1; /* not supported, caller sends INVALID_FIELD */\n> + }\n> + {\n> + int l = strlen(s->serial);\n> + if (l > 36) {\n> + l = 36;\n> + }\n\nRather than silently truncating it here, we should check the length\nin realize() and report an error at that point, so this code can\nassume the length is already within bounds.\n\n> + outbuf[3] = l;\n> + memcpy(&outbuf[4], s->serial, l);\n> + return 4 + l;\n> + }\n> +\n> + default:\n> + return -1; /* unsupported VPD page */\n> + }\n> +}\n> +\n> +static int scsi_tape_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)\n> +{\n> + SCSITapeState *s = DO_UPCAST(SCSITapeState, qdev, req->dev);\n> + int buflen;\n> +\n> + if (req->cmd.buf[1] & 0x1) {\n> + return scsi_disk_emulate_vpd_page(req, outbuf);\n> + }\n> +\n> + /* Standard INQUIRY, not a VPD request */\n> + if (req->cmd.buf[2] != 0) {\n> + return -1;\n> + }\n> +\n> + /* PAGE_CODE == 0 */\n> + buflen = req->cmd.xfer;\n> + if (buflen > SCSI_MAX_INQUIRY_LEN) {\n> + buflen = SCSI_MAX_INQUIRY_LEN;\n> + }\n> +\n> + outbuf[0] = TYPE_TAPE; /* 0x01 = Tape */\n> + outbuf[1] = 0x80; /* Always removable */\n> + outbuf[2] = 0x05; /* SPC-3 */\n> + outbuf[3] = 0x02 | 0x10; /* Format 2, HiSup */\n> +\n> + if (buflen > 36) {\n> + outbuf[4] = buflen - 5;\n> + } else {\n> + outbuf[4] = 36 - 5;\n> + }\n> +\n> + outbuf[7] = 0x10 | (req->bus->info->tcq ? 0x02 : 0);\n> +\n> + strpadcpy((char *)&outbuf[16], 16, s->product, ' ');\n> + strpadcpy((char *)&outbuf[8], 8, s->vendor, ' ');\n> +\n> + memset(&outbuf[32], 0, 4);\n> + memcpy(&outbuf[32], s->version, MIN(4, strlen(s->version)));\n\nproduct/vendor/version should be length checked too.\n\n> +\n> + return buflen;\n> +}\n> +\n\n> +static void scsi_tape_realize(SCSIDevice *dev, Error **errp)\n> +{\n> + SCSITapeState *s = DO_UPCAST(SCSITapeState, qdev, dev);\n> +\n> + dev->type = TYPE_TAPE;\n> +\n> + if (!s->qdev.conf.blk) {\n> + error_setg(errp, \"Drive property not set\");\n> + return;\n> + }\n> +\n> + if (!blk_is_inserted(s->qdev.conf.blk)) {\n> + error_setg(errp, \"Device needs media, but drive is empty\");\n> + return;\n> + }\n> +\n> + if (!s->vendor) {\n> + s->vendor = g_strdup(\"QEMU\");\n> + }\n> + if (!s->product) {\n> + s->product = g_strdup(\"QEMU TAPE\");\n> + }\n> + if (!s->version) {\n> + s->version = g_strdup(QEMU_HW_VERSION);\n> + }\n\nHere you can validate length of vendor, product, version\nand serial.\n\n> +}\n> +\n\nWith regards,\nDaniel","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=YCIFTbOb;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby 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10.30.177.12","Received-SPF":"pass client-ip=170.10.133.124;\n envelope-from=berrange@redhat.com;\n helo=us-smtp-delivery-124.mimecast.com","X-Spam_score_int":"7","X-Spam_score":"0.7","X-Spam_bar":"/","X-Spam_report":"(0.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_SBL_CSS=3.335,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Reply-To":"Daniel =?utf-8?b?UC4gQmVycmFuZ8Op?= ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"}},{"id":3678388,"web_url":"http://patchwork.ozlabs.org/comment/3678388/","msgid":"","list_archive_url":null,"date":"2026-04-16T21:15:47","subject":"Re: [PATCH RFC] hw/scsi: Add SCSI tape device emulation","submitter":{"id":1115,"url":"http://patchwork.ozlabs.org/api/people/1115/","name":"Helge Deller","email":"deller@gmx.de"},"content":"Hello Rafet,\n\nOn 4/16/26 19:34, rft0 wrote:\n> Add initial emulation of SCSI tape device supporting basic\n> INQUIRY operation for now.\n> \n> Hi, I am a GSoC 2026 applicant and this is my first patch.\n> Any feedback or corrections appreciated.\n\nI'm really shocked that you sent this patch!\n\nYou are one (!!!) out of 8 applicants for the SCSI tape GSCO project.\nEveryone of those applicants is eager to be choosen for this project, and I think\neveryone of them would be able to send such a patch.\nAnd, I've not yet decided who will be mentored by me.\n\nSo, why did you sent this patch?\n\n\nHelge\n\n\n> \n> Signed-off-by: rft0 \n> ---\n> hw/scsi/meson.build | 1 +\n> hw/scsi/scsi-tape.c | 334 ++++++++++++++++++++++++++++++++++++++++++++\n> 2 files changed, 335 insertions(+)\n> create mode 100644 hw/scsi/scsi-tape.c\n> \n> diff --git a/hw/scsi/meson.build b/hw/scsi/meson.build\n> index 69fde0cf84..1699b6e591 100644\n> --- a/hw/scsi/meson.build\n> +++ b/hw/scsi/meson.build\n> @@ -7,6 +7,7 @@ scsi_ss.add(files(\n> 'scsi-bus.c',\n> 'scsi-disk.c',\n> 'scsi-generic.c',\n> + 'scsi-tape.c',\n> ))\n> scsi_ss.add(when: 'CONFIG_ESP', if_true: files('esp.c'))\n> scsi_ss.add(when: 'CONFIG_ESP_PCI', if_true: files('esp-pci.c'))\n> diff --git a/hw/scsi/scsi-tape.c b/hw/scsi/scsi-tape.c\n> new file mode 100644\n> index 0000000000..e457167649\n> --- /dev/null\n> +++ b/hw/scsi/scsi-tape.c\n> @@ -0,0 +1,334 @@\n> +/*\n> + * SCSI Tape Device emulation\n> + *\n> + * SPDX-License-Identifier: GPL-2.0-or-later\n> + *\n> + * Written by Rafet Taskin \n> + *\n> + * SCSI Tape device emulation.\n> + *\n> + */\n> +\n> +#include \"qemu/hw-version.h\"\n> +#include \"qemu/osdep.h\"\n> +#include \"qapi/error.h\"\n> +#include \"qemu/module.h\"\n> +#include \"qemu/memalign.h\"\n> +#include \"qemu/cutils.h\"\n> +#include \"hw/scsi/scsi.h\"\n> +#include \"scsi/constants.h\"\n> +#include \"system/block-backend.h\"\n> +#include \"hw/block/block.h\"\n> +#include \"hw/core/qdev-properties.h\"\n> +#include \"hw/core/qdev-properties-system.h\"\n> +#include \"qom/object.h\"\n> +\n> +#define SCSI_MAX_INQUIRY_LEN 256\n> +\n> +#define TYPE_SCSI_TAPE \"scsi-tape\"\n> +\n> +OBJECT_DECLARE_SIMPLE_TYPE(SCSITapeState, SCSI_TAPE)\n> +\n> +typedef struct SCSITapeReq {\n> + SCSIRequest req;\n> +\n> + uint32_t buflen;\n> + struct iovec iov;\n> +\n> + QEMUIOVector qiov;\n> +} SCSITapeReq;\n> +\n> +struct SCSITapeState {\n> + SCSIDevice qdev;\n> +\n> + char *vendor;\n> + char *product;\n> + char *version;\n> + char *serial;\n> +};\n> +\n> +static void scsi_free_request(SCSIRequest *req)\n> +{\n> + SCSITapeReq *r = DO_UPCAST(SCSITapeReq, req, req);\n> +\n> + qemu_vfree(r->iov.iov_base);\n> +}\n> +\n> +static uint8_t *scsi_get_buf(SCSIRequest *req)\n> +{\n> + SCSITapeReq *r = DO_UPCAST(SCSITapeReq, req, req);\n> +\n> + return (uint8_t *)r->iov.iov_base;\n> +}\n> +\n> +static void scsi_init_iovec(SCSITapeReq *r, size_t size)\n> +{\n> + if (!r->iov.iov_base) {\n> + r->buflen = size;\n> + r->iov.iov_base = qemu_memalign(qemu_real_host_page_size(), size);\n> + }\n> +\n> + r->iov.iov_len = size;\n> + qemu_iovec_init_external(&r->qiov, &r->iov, 1);\n> +}\n> +\n> +static void scsi_check_condition(SCSITapeReq *r, SCSISense sense)\n> +{\n> + scsi_req_build_sense(&r->req, sense);\n> + scsi_req_complete(&r->req, CHECK_CONDITION);\n> +}\n> +\n> +static int scsi_disk_emulate_vpd_page(SCSIRequest *req, uint8_t *outbuf)\n> +{\n> + SCSITapeState *s = DO_UPCAST(SCSITapeState, qdev, req->dev);\n> + uint8_t page_code = req->cmd.buf[2];\n> +\n> + outbuf[0] = TYPE_TAPE;\n> + outbuf[1] = page_code;\n> + outbuf[2] = 0x00;\n> + outbuf[3] = 0x00;\n> +\n> + switch (page_code) {\n> + case 0x00: /* Supported VPD pages */\n> + outbuf[4] = 0x00; /* page 0x00 (this page) */\n> + if (s->serial) {\n> + outbuf[5] = 0x80; /* page 0x80 (serial number) */\n> + outbuf[3] = 2; /* page data length */\n> + return 6;\n> + }\n> + outbuf[3] = 1;\n> + return 5;\n> +\n> + case 0x80: /* Unit Serial Number */\n> + if (!s->serial) {\n> + return -1; /* not supported, caller sends INVALID_FIELD */\n> + }\n> + {\n> + int l = strlen(s->serial);\n> + if (l > 36) {\n> + l = 36;\n> + }\n> + outbuf[3] = l;\n> + memcpy(&outbuf[4], s->serial, l);\n> + return 4 + l;\n> + }\n> +\n> + default:\n> + return -1; /* unsupported VPD page */\n> + }\n> +}\n> +\n> +static int scsi_tape_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)\n> +{\n> + SCSITapeState *s = DO_UPCAST(SCSITapeState, qdev, req->dev);\n> + int buflen;\n> +\n> + if (req->cmd.buf[1] & 0x1) {\n> + return scsi_disk_emulate_vpd_page(req, outbuf);\n> + }\n> +\n> + /* Standard INQUIRY, not a VPD request */\n> + if (req->cmd.buf[2] != 0) {\n> + return -1;\n> + }\n> +\n> + /* PAGE_CODE == 0 */\n> + buflen = req->cmd.xfer;\n> + if (buflen > SCSI_MAX_INQUIRY_LEN) {\n> + buflen = SCSI_MAX_INQUIRY_LEN;\n> + }\n> +\n> + outbuf[0] = TYPE_TAPE; /* 0x01 = Tape */\n> + outbuf[1] = 0x80; /* Always removable */\n> + outbuf[2] = 0x05; /* SPC-3 */\n> + outbuf[3] = 0x02 | 0x10; /* Format 2, HiSup */\n> +\n> + if (buflen > 36) {\n> + outbuf[4] = buflen - 5;\n> + } else {\n> + outbuf[4] = 36 - 5;\n> + }\n> +\n> + outbuf[7] = 0x10 | (req->bus->info->tcq ? 0x02 : 0);\n> +\n> + strpadcpy((char *)&outbuf[16], 16, s->product, ' ');\n> + strpadcpy((char *)&outbuf[8], 8, s->vendor, ' ');\n> +\n> + memset(&outbuf[32], 0, 4);\n> + memcpy(&outbuf[32], s->version, MIN(4, strlen(s->version)));\n> +\n> + return buflen;\n> +}\n> +\n> +/*\n> + * > 0 - number of bytes from device to host\n> + * < 0 - number of bytes from host to device\n> + * = 0 - no data transfer, already completed\n> + */\n> +static int32_t scsi_tape_emulate_command(SCSIRequest *req, uint8_t *buf)\n> +{\n> + SCSITapeReq *r = DO_UPCAST(SCSITapeReq, req, req);\n> + uint8_t *outbuf;\n> + int32_t len = 0;\n> + uint8_t command = buf[0];\n> +\n> + if (req->cmd.xfer > 65536) {\n> + scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));\n> + return 0;\n> + }\n> + r->buflen = MAX(4096, req->cmd.xfer);\n> + scsi_init_iovec(r, r->buflen);\n> +\n> + outbuf = r->iov.iov_base;\n> + memset(outbuf, 0, r->buflen);\n> +\n> + switch (command) {\n> + case INQUIRY:\n> + len = scsi_tape_emulate_inquiry(req, outbuf);\n> + if (len < 0) {\n> + scsi_check_condition(r, SENSE_CODE(INVALID_FIELD));\n> + return 0;\n> + }\n> + break;\n> +\n> + case TEST_UNIT_READY:\n> + if (!blk_is_available(req->dev->conf.blk)) {\n> + scsi_check_condition(r, SENSE_CODE(NO_MEDIUM));\n> + return 0;\n> + }\n> +\n> + /* TODO: check if tape is really ready */\n> + scsi_req_complete(&r->req, GOOD);\n> + return 0;\n> + case REQUEST_SENSE:\n> + /* TODO: returning NO SENSE for now handle it later. */\n> + /* 0x0: 0x70 = current errors, fixed format */\n> + /* 0x2: sense key (0x00 = NO SENSE) */\n> + /* 0x7: additional sense length */\n> + {\n> + int sense_len = MIN(buf[4], 18);\n> + memset(outbuf, 0, sense_len);\n> + outbuf[0] = 0x70;\n> + outbuf[2] = 0x00;\n> + outbuf[7] = 10;\n> + len = sense_len;\n> + }\n> + break;\n> +\n> + case REWIND:\n> + if (!blk_is_available(req->dev->conf.blk)) {\n> + scsi_check_condition(r, SENSE_CODE(NO_MEDIUM));\n> + return 0;\n> + }\n> +\n> + /* TODO: reset tape position to beginning of SIMH image */\n> + scsi_req_complete(&r->req, GOOD);\n> + return 0;\n> +\n> + /* Add rest later */\n> + default:\n> + scsi_check_condition(r, SENSE_CODE(INVALID_OPCODE));\n> + return 0;\n> + }\n> +\n> + r->iov.iov_len = len;\n> + return len;\n> +}\n> +\n> +\n> +/* TODO */\n> +static void scsi_tape_emulate_read_data(SCSIRequest *req)\n> +{\n> + SCSITapeReq *r = DO_UPCAST(SCSITapeReq, req, req);\n> + int buflen = r->iov.iov_len;\n> +\n> + if (buflen) {\n> + r->iov.iov_len = 0;\n> + scsi_req_data(&r->req, buflen);\n> + return;\n> + }\n> +\n> + scsi_req_complete(&r->req, GOOD);\n> +}\n> +\n> +/* TODO: not implemented yet */\n> +static void scsi_tape_emulate_write_data(SCSIRequest *req)\n> +{\n> + scsi_req_complete(req, GOOD);\n> +}\n> +\n> +static const SCSIReqOps scsi_tape_reqops = {\n> + .size = sizeof(SCSITapeReq),\n> + .free_req = scsi_free_request,\n> + .send_command = scsi_tape_emulate_command,\n> + .read_data = scsi_tape_emulate_read_data,\n> + .write_data = scsi_tape_emulate_write_data,\n> + .get_buf = scsi_get_buf,\n> +};\n> +\n> +static SCSIRequest *scsi_tape_new_request(SCSIDevice *d, uint32_t tag,\n> + uint32_t lun, uint8_t *buf,\n> + void *hba_private)\n> +{\n> + return scsi_req_alloc(&scsi_tape_reqops, d, tag, lun, hba_private);\n> +}\n> +\n> +static void scsi_tape_realize(SCSIDevice *dev, Error **errp)\n> +{\n> + SCSITapeState *s = DO_UPCAST(SCSITapeState, qdev, dev);\n> +\n> + dev->type = TYPE_TAPE;\n> +\n> + if (!s->qdev.conf.blk) {\n> + error_setg(errp, \"Drive property not set\");\n> + return;\n> + }\n> +\n> + if (!blk_is_inserted(s->qdev.conf.blk)) {\n> + error_setg(errp, \"Device needs media, but drive is empty\");\n> + return;\n> + }\n> +\n> + if (!s->vendor) {\n> + s->vendor = g_strdup(\"QEMU\");\n> + }\n> + if (!s->product) {\n> + s->product = g_strdup(\"QEMU TAPE\");\n> + }\n> + if (!s->version) {\n> + s->version = g_strdup(QEMU_HW_VERSION);\n> + }\n> +}\n> +\n> +static Property scsi_tape_properties[] = {\n> + DEFINE_PROP_DRIVE(\"drive\", SCSITapeState, qdev.conf.blk),\n> + DEFINE_PROP_STRING(\"vendor\", SCSITapeState, vendor),\n> + DEFINE_PROP_STRING(\"product\", SCSITapeState, product),\n> + DEFINE_PROP_STRING(\"ver\", SCSITapeState, version),\n> + DEFINE_PROP_STRING(\"serial\", SCSITapeState, serial),\n> +};\n> +\n> +static void scsi_tape_class_initfn(ObjectClass *klass, const void *data)\n> +{\n> + DeviceClass *dc = DEVICE_CLASS(klass);\n> + SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);\n> +\n> + sc->realize = scsi_tape_realize;\n> + sc->alloc_req = scsi_tape_new_request;\n> + dc->desc = \"SCSI Tape\";\n> + device_class_set_props(dc, scsi_tape_properties);\n> +}\n> +\n> +static const TypeInfo scsi_tape_info = {\n> + .name = TYPE_SCSI_TAPE,\n> + .parent = TYPE_SCSI_DEVICE,\n> + .instance_size = sizeof(SCSITapeState),\n> + .class_init = scsi_tape_class_initfn,\n> +};\n> +\n> +static void scsi_tape_register_types(void)\n> +{\n> + type_register_static(&scsi_tape_info);\n> +}\n> +\n> +type_init(scsi_tape_register_types)","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=gmx.de header.i=deller@gmx.de header.a=rsa-sha256\n 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wd9BRcXGwedyCE1bEDoIlpeqiSNaD1GUcclpxM+0iGEElcFbpxU/RZzBVESnQul0o\n +skyiTC2wFWV3nCcXP0FOWOb4KIxN89JjHk0bDnkHhqbk+ykhAfPkTnEp5ebCwMvc\n t7//FWgpQ6DYTlHgtEe9w/cLNFezjxAp1EVDP7RbQ0LXySsCStRmo0es5TEVl05by\n 5I/adKRJCeLIZJQmWA==","X-UI-Sender-Class":"724b4f7f-cbec-4199-ad4e-598c01a50d3a","Message-ID":"","Date":"Thu, 16 Apr 2026 23:15:47 +0200","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH RFC] hw/scsi: Add SCSI tape device emulation","To":"rft0 , qemu-devel@nongnu.org","Cc":"pbonzini@redhat.com, fam@euphon.net","References":"<20260416173448.88831-1-rafettaskindev@gmail.com>","Content-Language":"en-US","From":"Helge Deller ","Autocrypt":"addr=deller@gmx.de; keydata=\n xsFNBF3Ia3MBEAD3nmWzMgQByYAWnb9cNqspnkb2GLVKzhoH2QD4eRpyDLA/3smlClbeKkWT\n HLnjgkbPFDmcmCz5V0Wv1mKYRClAHPCIBIJgyICqqUZo2qGmKstUx3pFAiztlXBANpRECgwJ\n r+8w6mkccOM9GhoPU0vMaD/UVJcJQzvrxVHO8EHS36aUkjKd6cOpdVbCt3qx8cEhCmaFEO6u\n 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action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"}},{"id":3678404,"web_url":"http://patchwork.ozlabs.org/comment/3678404/","msgid":"","list_archive_url":null,"date":"2026-04-16T21:42:03","subject":"Re: [PATCH RFC] hw/scsi: Add SCSI tape device emulation","submitter":{"id":93170,"url":"http://patchwork.ozlabs.org/api/people/93170/","name":"Rafet T","email":"rafettaskindev@gmail.com"},"content":"Hello Helge,\n\nI honestly didn't give much thought about whether sending patches before\nbeing choosen was okay or not. I was interested in project and wanted to\ntry something. Sorry if it caused any disturbance, that wasn't my intent.\n\nThanks, Rafet","headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=rcDu9SbO;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fxWhJ2hqPz1yGt\n\tfor ; Fri, 17 Apr 2026 07:42:40 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wDUTb-0007DU-Et; 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Thu, 16 Apr 2026\n 14:42:14 -0700 (PDT)","MIME-Version":"1.0","References":"<20260416173448.88831-1-rafettaskindev@gmail.com>\n ","In-Reply-To":"","From":"Rafet T ","Date":"Fri, 17 Apr 2026 00:42:03 +0300","X-Gm-Features":"AQROBzD3NuPbel7NPjTWXq_Ra6fozUhlJ30b-TxjvZ5VU2HPiH_vVZAZdBhloDc","Message-ID":"\n ","Subject":"Re: [PATCH RFC] hw/scsi: Add SCSI tape device emulation","To":"Helge Deller ","Cc":"qemu-devel@nongnu.org, pbonzini@redhat.com, fam@euphon.net","Content-Type":"multipart/alternative; boundary=\"000000000000ac0542064f9ab4d7\"","Received-SPF":"pass client-ip=2607:f8b0:4864:20::c32;\n envelope-from=rafettaskindev@gmail.com; helo=mail-oo1-xc32.google.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"}}]