From patchwork Fri Jun 16 06:58:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeuk Kim X-Patchwork-Id: 13282132 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EEEBDEB64DA for ; Fri, 16 Jun 2023 06:59:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qA3Pr-0005nS-OF; Fri, 16 Jun 2023 02:58:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qA3Pp-0005mw-89 for qemu-devel@nongnu.org; Fri, 16 Jun 2023 02:58:37 -0400 Received: from mailout3.samsung.com ([203.254.224.33]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qA3Pi-0003vh-7g for qemu-devel@nongnu.org; Fri, 16 Jun 2023 02:58:36 -0400 Received: from epcas2p1.samsung.com (unknown [182.195.41.53]) by mailout3.samsung.com (KnoxPortal) with ESMTP id 20230616065828epoutp03fec31f91153640e71c4b38eefa3fb075~pEW--D4NB3019730197epoutp03M for ; Fri, 16 Jun 2023 06:58:28 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout3.samsung.com 20230616065828epoutp03fec31f91153640e71c4b38eefa3fb075~pEW--D4NB3019730197epoutp03M DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1686898708; bh=AphzJ3uoKFzizzZJemc31yjV9VWrwHAjFNJtA6SjqLk=; h=Subject:Reply-To:From:To:CC:Date:References:From; b=rI1eHyzf0bz9HV7OWsOxJcy5B9u6Lqu93buxNeoerhvi9iBmfmQKQw3dnAA651Tts CizI2aeGN3L6D99pD/koi6ekiTheG51rmGVQIKLWZy7znxVOpZ6p/AWq4EUGXR2lpn NKr9zA6dMnDz+1+YsaOfj8xUYvK7ZIuImbD+/x5s= Received: from epsnrtp4.localdomain (unknown [182.195.42.165]) by epcas2p1.samsung.com (KnoxPortal) with ESMTP id 20230616065827epcas2p1e2fa7e0f521996391e4e96383c81dabc~pEW-hWzI20109001090epcas2p1y; Fri, 16 Jun 2023 06:58:27 +0000 (GMT) Received: from epsmges2p3.samsung.com (unknown [182.195.36.102]) by epsnrtp4.localdomain (Postfix) with ESMTP id 4Qj93k6HTvz4x9QD; Fri, 16 Jun 2023 06:58:26 +0000 (GMT) X-AuditID: b6c32a47-eedff70000001ce0-2c-648c081183d2 Received: from epcas2p4.samsung.com ( [182.195.41.56]) by epsmges2p3.samsung.com (Symantec Messaging Gateway) with SMTP id CB.25.07392.1180C846; Fri, 16 Jun 2023 15:58:25 +0900 (KST) Mime-Version: 1.0 Subject: [PATCH v2 2/3] hw/ufs: Support for Query Transfer Requests From: Jeuk Kim To: "qemu-devel@nongnu.org" CC: "kwolf@redhat.com" , "hreitz@redhat.com" , "pbonzini@redhat.com" , "fam@euphon.net" , "qemu-block@nongnu.org" , Klaus Birkelund Jensen , "stefanha@redhat.com" X-Priority: 3 X-Content-Kind-Code: NORMAL X-CPGS-Detection: blocking_info_exchange X-Drm-Type: N,general X-Msg-Generator: Mail X-Msg-Type: PERSONAL X-Reply-Demand: N Message-ID: <20230616065825epcms2p5682ea0edcd1fb0366a344708bea875cb@epcms2p5> Date: Fri, 16 Jun 2023 15:58:25 +0900 X-CMS-MailID: 20230616065825epcms2p5682ea0edcd1fb0366a344708bea875cb X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P X-CPGSPASS: Y X-CPGSPASS: Y X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupgk+LIzCtJLcpLzFFi42LZdljTQleQoyfFYO9pLYuXhzQtruw/z2jx 4G4/o8XJxj2sFksuplrs3/aP1WLWu3Y2i+O9O1gsXk/6z+rA6fHjXDubx5Nrm5k83u+7yubR t2UVYwBLVLZNRmpiSmqRQmpecn5KZl66rZJ3cLxzvKmZgaGuoaWFuZJCXmJuqq2Si0+Arltm DtApSgpliTmlQKGAxOJiJX07m6L80pJUhYz84hJbpdSClJwC8wK94sTc4tK8dL281BIrQwMD I1OgwoTsjKnfvrMWLFvBVLGzbR5zA+O7R4xdjBwcEgImEvNupnQxcnIICexglPhzQBQkzCsg KPF3hzBIWFjAWWLKlP+sECUKEnO2dbBDxDUlpq+fyARSziagLnF6oTlIWETAWOLY4SXMXYxc HMwC25kkzs87yASSkBDglZjR/pQFwpaW2L58KyOErSHxY1kvM4QtKnFz9Vt2GPv9sflQNSIS rffOQtUISjz4uRsqLilx6ttjVgh7OqPEgv+mIIslBBYwSvxqng7VoC9xrWMj2GJeAV+Js+cv gh3NIqAqcfWVJkSJi8Su5RPAypkF5CW2v53DDFLCDPTj+l36kIBSljhyiwWigk+i4/Bfdpiv Gjb+xsreMe8J1OcqEoubD7NCjJGS2LA7dAKj0ixEMM9CsnYWwtoFjMyrGMVSC4pz01OLjQqM 4TGbnJ+7iRGcJLXcdzDOePtB7xAjEwfjIUYJDmYlEd5lJ7pShHhTEiurUovy44tKc1KLDzGa Av07kVlKNDkfmKbzSuINTSwNTMzMDM2NTA3MlcR5pW1PJgsJpCeWpGanphakFsH0MXFwSjUw 8Tdz7lre9DuNb8rxiQHinp67eGewGDVpb3zc+ffDR26LnurZiRekkz2/GxjtOp/uxTwvpvte sOirNT5Zhiv3BPJWNS8Nbnz815rjT2Z97ncx/bptH6JLfL9NarsoIHvS7TYnp4HJrreLKtRv uVharJyyTSr13VuDfXVnbeWsjTIm2rJd/WUkKee1+id3s7dLuJeT8l/RN/Nnr+7KV/tQE6Iz t+XSo6fe844eL7m2ctrRlIC7l05d+bcrbFv+Nd4HateLJtc8dOuLFIjtOHl998MYuR2N1xrX JZ9oMzeaGeb96fDhCQFWjY/2MV7fpKY41/jemSO3pFetmMz3Z6nXZvHpeRydzf7r+2QFtR9u UGIpzkg01GIuKk4EAKIwwdQbBAAA DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20230616065825epcms2p5682ea0edcd1fb0366a344708bea875cb References: Received-SPF: pass client-ip=203.254.224.33; envelope-from=jeuk20.kim@samsung.com; helo=mailout3.samsung.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: jeuk20.kim@samsung.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This commit makes the UFS device support query and nop out transfer requests. The next patch would be support for UFS logical unit and scsi command transfer request. Signed-off-by: Jeuk Kim --- hw/ufs/ufs.c | 968 ++++++++++++++++++++++++++++++++++++++++++++++++++- hw/ufs/ufs.h | 45 +++ 2 files changed, 1012 insertions(+), 1 deletion(-) diff --git a/hw/ufs/ufs.c b/hw/ufs/ufs.c index 9dba1073a8..10ecc8cd7b 100644 --- a/hw/ufs/ufs.c +++ b/hw/ufs/ufs.c @@ -19,6 +19,233 @@ #define UFS_MAX_NUTRS 32 #define UFS_MAX_NUTMRS 8 +static MemTxResult ufs_addr_read(UfsHc *u, hwaddr addr, void *buf, int size) +{ + uint32_t cap = ldl_le_p(&u->reg.cap); + hwaddr hi = addr + size - 1; + + if (hi < addr) { + return MEMTX_DECODE_ERROR; + } + + if (!FIELD_EX32(cap, CAP, 64AS) && (hi >> 32)) { + return MEMTX_DECODE_ERROR; + } + + return pci_dma_read(PCI_DEVICE(u), addr, buf, size); +} + +static MemTxResult ufs_addr_write(UfsHc *u, hwaddr addr, const void *buf, + int size) +{ + uint32_t cap = ldl_le_p(&u->reg.cap); + hwaddr hi = addr + size - 1; + if (hi < addr) { + return MEMTX_DECODE_ERROR; + } + + if (!FIELD_EX32(cap, CAP, 64AS) && (hi >> 32)) { + return MEMTX_DECODE_ERROR; + } + + return pci_dma_write(PCI_DEVICE(u), addr, buf, size); +} + +static void ufs_complete_req(UfsRequest *req, UfsReqResult req_result); + +static inline hwaddr ufs_get_utrd_addr(UfsHc *u, uint32_t slot) +{ + uint32_t utrlba = ldl_le_p(&u->reg.utrlba); + uint32_t utrlbau = ldl_le_p(&u->reg.utrlbau); + hwaddr utrl_base_addr = (((hwaddr)utrlbau) << 32) + utrlba; + hwaddr utrd_addr = utrl_base_addr + slot * sizeof(UtpTransferReqDesc); + + return utrd_addr; +} + +static inline hwaddr ufs_get_req_upiu_base_addr(const UtpTransferReqDesc *utrd) +{ + uint32_t cmd_desc_base_addr_lo = + le32_to_cpu(utrd->command_desc_base_addr_lo); + uint32_t cmd_desc_base_addr_hi = + le32_to_cpu(utrd->command_desc_base_addr_hi); + + return (((hwaddr)cmd_desc_base_addr_hi) << 32) + cmd_desc_base_addr_lo; +} + +static inline hwaddr ufs_get_rsp_upiu_base_addr(const UtpTransferReqDesc *utrd) +{ + hwaddr req_upiu_base_addr = ufs_get_req_upiu_base_addr(utrd); + uint32_t rsp_upiu_byte_off = + le16_to_cpu(utrd->response_upiu_offset) * sizeof(uint32_t); + return req_upiu_base_addr + rsp_upiu_byte_off; +} + +static MemTxResult ufs_dma_read_utrd(UfsRequest *req) +{ + UfsHc *u = req->hc; + hwaddr utrd_addr = ufs_get_utrd_addr(u, req->slot); + MemTxResult ret; + + ret = ufs_addr_read(u, utrd_addr, &req->utrd, sizeof(req->utrd)); + if (ret) { + trace_ufs_err_dma_read_utrd(req->slot, utrd_addr); + } + return ret; +} + +static MemTxResult ufs_dma_read_req_upiu(UfsRequest *req) +{ + UfsHc *u = req->hc; + hwaddr req_upiu_base_addr = ufs_get_req_upiu_base_addr(&req->utrd); + UtpUpiuReq *req_upiu = &req->req_upiu; + uint32_t copy_size; + uint16_t data_segment_length; + MemTxResult ret; + + /* + * To know the size of the req_upiu, we need to read the + * data_segment_length in the header first. + */ + ret = ufs_addr_read(u, req_upiu_base_addr, &req_upiu->header, + sizeof(UtpUpiuHeader)); + if (ret) { + trace_ufs_err_dma_read_req_upiu(req->slot, req_upiu_base_addr); + return ret; + } + data_segment_length = be16_to_cpu(req_upiu->header.data_segment_length); + + copy_size = sizeof(UtpUpiuHeader) + UFS_TRANSACTION_SPECIFIC_FIELD_SIZE + + data_segment_length; + + ret = ufs_addr_read(u, req_upiu_base_addr, &req->req_upiu, copy_size); + if (ret) { + trace_ufs_err_dma_read_req_upiu(req->slot, req_upiu_base_addr); + } + return ret; +} + +static MemTxResult ufs_dma_read_prdt(UfsRequest *req) +{ + UfsHc *u = req->hc; + uint16_t prdt_len = le16_to_cpu(req->utrd.prd_table_length); + uint16_t prdt_byte_off = + le16_to_cpu(req->utrd.prd_table_offset) * sizeof(uint32_t); + uint32_t prdt_size = prdt_len * sizeof(UfshcdSgEntry); + UfshcdSgEntry *prd_entries; + hwaddr req_upiu_base_addr, prdt_base_addr; + int err; + + assert(!req->sg); + + if (prdt_len == 0) { + return MEMTX_OK; + } + + prd_entries = g_new(UfshcdSgEntry, prdt_size); + if (!prd_entries) { + trace_ufs_err_memory_allocation(); + return MEMTX_ERROR; + } + + req_upiu_base_addr = ufs_get_req_upiu_base_addr(&req->utrd); + prdt_base_addr = req_upiu_base_addr + prdt_byte_off; + + err = ufs_addr_read(u, prdt_base_addr, prd_entries, prdt_size); + if (err) { + trace_ufs_err_dma_read_prdt(req->slot, prdt_base_addr); + return err; + } + + req->sg = g_malloc0(sizeof(QEMUSGList)); + if (!req->sg) { + trace_ufs_err_memory_allocation(); + g_free(prd_entries); + return MEMTX_ERROR; + } + pci_dma_sglist_init(req->sg, PCI_DEVICE(u), prdt_len); + + for (uint16_t i = 0; i < prdt_len; ++i) { + hwaddr data_dma_addr = le64_to_cpu(prd_entries[i].addr); + int32_t data_byte_count = le32_to_cpu(prd_entries[i].size) + 1; + qemu_sglist_add(req->sg, data_dma_addr, data_byte_count); + } + g_free(prd_entries); + + return MEMTX_OK; +} + +static MemTxResult ufs_dma_read_upiu(UfsRequest *req) +{ + MemTxResult ret; + + ret = ufs_dma_read_utrd(req); + if (ret) { + return ret; + } + + ret = ufs_dma_read_req_upiu(req); + if (ret) { + return ret; + } + + ret = ufs_dma_read_prdt(req); + if (ret) { + return ret; + } + + return 0; +} + +static MemTxResult ufs_dma_write_utrd(UfsRequest *req) +{ + UfsHc *u = req->hc; + hwaddr utrd_addr = ufs_get_utrd_addr(u, req->slot); + MemTxResult ret; + + ret = ufs_addr_write(u, utrd_addr, &req->utrd, sizeof(req->utrd)); + if (ret) { + trace_ufs_err_dma_write_utrd(req->slot, utrd_addr); + } + return ret; +} + +static MemTxResult ufs_dma_write_rsp_upiu(UfsRequest *req) +{ + UfsHc *u = req->hc; + hwaddr rsp_upiu_base_addr = ufs_get_rsp_upiu_base_addr(&req->utrd); + uint32_t rsp_upiu_byte_len = + le16_to_cpu(req->utrd.response_upiu_length) * sizeof(uint32_t); + uint16_t data_segment_length = + be16_to_cpu(req->rsp_upiu.header.data_segment_length); + uint32_t copy_size = sizeof(UtpUpiuHeader) + + UFS_TRANSACTION_SPECIFIC_FIELD_SIZE + + data_segment_length; + MemTxResult ret; + + if (copy_size > rsp_upiu_byte_len) { + copy_size = rsp_upiu_byte_len; + } + + ret = ufs_addr_write(u, rsp_upiu_base_addr, &req->rsp_upiu, copy_size); + if (ret) { + trace_ufs_err_dma_write_rsp_upiu(req->slot, rsp_upiu_base_addr); + } + return ret; +} + +static MemTxResult ufs_dma_write_upiu(UfsRequest *req) +{ + MemTxResult ret; + + ret = ufs_dma_write_rsp_upiu(req); + if (ret) { + return ret; + } + + return ufs_dma_write_utrd(req); +} + static void ufs_irq_check(UfsHc *u) { PCIDevice *pci = PCI_DEVICE(u); @@ -34,6 +261,36 @@ static void ufs_irq_check(UfsHc *u) } } +static void ufs_process_db(UfsHc *u, uint64_t val) +{ + uint32_t slot; + uint32_t nutrs = u->params.nutrs; + uint32_t utrldbr = ldl_le_p(&u->reg.utrldbr); + UfsRequest *req; + + val &= ~utrldbr; + if (!val) { + return; + } + stl_le_p(&u->reg.utrldbr, utrldbr | val); + + slot = find_first_bit(&val, nutrs); + + while (slot < nutrs) { + req = &u->req_list[slot]; + if (req->state != UFS_REQUEST_IDLE) { + trace_ufs_err_utrl_slot_busy(req->slot); + return; + } + + trace_ufs_process_db(slot); + req->state = UFS_REQUEST_READY; + slot = find_next_bit(&val, nutrs, slot + 1); + } + + qemu_bh_schedule(u->doorbell_bh); +} + static void ufs_process_uiccmd(UfsHc *u, uint32_t val) { uint32_t is = ldl_le_p(&u->reg.is); @@ -85,6 +342,7 @@ static void ufs_write_reg(UfsHc *u, hwaddr offset, uint32_t data, unsigned size) uint32_t is = ldl_le_p(&u->reg.is); uint32_t hcs = ldl_le_p(&u->reg.hcs); uint32_t hce = ldl_le_p(&u->reg.hce); + uint32_t utrldbr = ldl_le_p(&u->reg.utrldbr); uint32_t utrlcnr = ldl_le_p(&u->reg.utrlcnr); uint32_t utrlba, utmrlba; @@ -119,7 +377,9 @@ static void ufs_write_reg(UfsHc *u, hwaddr offset, uint32_t data, unsigned size) stl_le_p(&u->reg.utrlbau, data); break; case A_UTRLDBR: - /* Not yet supported */ + ufs_process_db(u, data); + utrldbr |= data; + stl_le_p(&u->reg.utrldbr, utrldbr); break; case A_UTRLRSR: stl_le_p(&u->reg.utrlrsr, data); @@ -199,6 +459,632 @@ static const MemoryRegionOps ufs_mmio_ops = { }, }; +static void ufs_build_upiu_header(UfsRequest *req, uint8_t trans_type, + uint8_t flags, uint8_t response, + uint8_t scsi_status, + uint16_t data_segment_length) +{ + memcpy(&req->rsp_upiu.header, &req->req_upiu.header, sizeof(UtpUpiuHeader)); + req->rsp_upiu.header.trans_type = trans_type; + req->rsp_upiu.header.flags = flags; + req->rsp_upiu.header.response = response; + req->rsp_upiu.header.scsi_status = scsi_status; + req->rsp_upiu.header.data_segment_length = cpu_to_be16(data_segment_length); +} + +static UfsReqResult ufs_exec_nop_cmd(UfsRequest *req) +{ + trace_ufs_exec_nop_cmd(req->slot); + ufs_build_upiu_header(req, UPIU_TRANSACTION_NOP_IN, 0, 0, 0, 0); + return UFS_REQUEST_SUCCESS; +} + +/* + * This defines the permission of flags based on their IDN. There are some + * things that are declared read-only, which is inconsistent with the ufs spec, + * because we want to return an error for features that are not yet supported. + */ +static const int flag_permission[QUERY_FLAG_IDN_COUNT] = { + [QUERY_FLAG_IDN_FDEVICEINIT] = UFS_QUERY_FLAG_READ | UFS_QUERY_FLAG_SET, + /* Write protection is not supported */ + [QUERY_FLAG_IDN_PERMANENT_WPE] = UFS_QUERY_FLAG_READ, + [QUERY_FLAG_IDN_PWR_ON_WPE] = UFS_QUERY_FLAG_READ, + [QUERY_FLAG_IDN_BKOPS_EN] = UFS_QUERY_FLAG_READ | UFS_QUERY_FLAG_SET | + UFS_QUERY_FLAG_CLEAR | UFS_QUERY_FLAG_TOGGLE, + [QUERY_FLAG_IDN_LIFE_SPAN_MODE_ENABLE] = + UFS_QUERY_FLAG_READ | UFS_QUERY_FLAG_SET | UFS_QUERY_FLAG_CLEAR | + UFS_QUERY_FLAG_TOGGLE, + /* Purge Operation is not supported */ + [QUERY_FLAG_IDN_PURGE_ENABLE] = UFS_QUERY_FLAG_NONE, + /* Refresh Operation is not supported */ + [QUERY_FLAG_IDN_REFRESH_ENABLE] = UFS_QUERY_FLAG_NONE, + /* Physical Resource Removal is not supported */ + [QUERY_FLAG_IDN_FPHYRESOURCEREMOVAL] = UFS_QUERY_FLAG_READ, + [QUERY_FLAG_IDN_BUSY_RTC] = UFS_QUERY_FLAG_READ, + [QUERY_FLAG_IDN_PERMANENTLY_DISABLE_FW_UPDATE] = UFS_QUERY_FLAG_READ, + /* Write Booster is not supported */ + [QUERY_FLAG_IDN_WB_EN] = UFS_QUERY_FLAG_READ, + [QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN] = UFS_QUERY_FLAG_READ, + [QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8] = UFS_QUERY_FLAG_READ, +}; + +static inline QueryRespCode ufs_flag_check_idn_valid(uint8_t idn, int op) +{ + if (idn >= QUERY_FLAG_IDN_COUNT) { + return QUERY_RESULT_INVALID_IDN; + } + + if (!(flag_permission[idn] & op)) { + if (op == UFS_QUERY_FLAG_READ) { + trace_ufs_err_query_flag_not_readable(idn); + return QUERY_RESULT_NOT_READABLE; + } + trace_ufs_err_query_flag_not_writable(idn); + return QUERY_RESULT_NOT_WRITEABLE; + } + + return QUERY_RESULT_SUCCESS; +} + +static const int attr_permission[QUERY_ATTR_IDN_COUNT] = { + /* booting is not supported */ + [QUERY_ATTR_IDN_BOOT_LU_EN] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_POWER_MODE] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_ACTIVE_ICC_LVL] = + UFS_QUERY_ATTR_READ | UFS_QUERY_ATTR_WRITE, + [QUERY_ATTR_IDN_OOO_DATA_EN] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_BKOPS_STATUS] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_PURGE_STATUS] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_MAX_DATA_IN] = UFS_QUERY_ATTR_READ | UFS_QUERY_ATTR_WRITE, + [QUERY_ATTR_IDN_MAX_DATA_OUT] = UFS_QUERY_ATTR_READ | UFS_QUERY_ATTR_WRITE, + [QUERY_ATTR_IDN_DYN_CAP_NEEDED] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_REF_CLK_FREQ] = UFS_QUERY_ATTR_READ | UFS_QUERY_ATTR_WRITE, + [QUERY_ATTR_IDN_CONF_DESC_LOCK] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_MAX_NUM_OF_RTT] = + UFS_QUERY_ATTR_READ | UFS_QUERY_ATTR_WRITE, + [QUERY_ATTR_IDN_EE_CONTROL] = UFS_QUERY_ATTR_READ | UFS_QUERY_ATTR_WRITE, + [QUERY_ATTR_IDN_EE_STATUS] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_SECONDS_PASSED] = UFS_QUERY_ATTR_WRITE, + [QUERY_ATTR_IDN_CNTX_CONF] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_FFU_STATUS] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_PSA_STATE] = UFS_QUERY_ATTR_READ | UFS_QUERY_ATTR_WRITE, + [QUERY_ATTR_IDN_PSA_DATA_SIZE] = UFS_QUERY_ATTR_READ | UFS_QUERY_ATTR_WRITE, + [QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_CASE_ROUGH_TEMP] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_HIGH_TEMP_BOUND] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_LOW_TEMP_BOUND] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_THROTTLING_STATUS] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_WB_FLUSH_STATUS] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE] = UFS_QUERY_ATTR_READ, + /* refresh operation is not supported */ + [QUERY_ATTR_IDN_REFRESH_STATUS] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_REFRESH_FREQ] = UFS_QUERY_ATTR_READ, + [QUERY_ATTR_IDN_REFRESH_UNIT] = UFS_QUERY_ATTR_READ, +}; + +static inline QueryRespCode ufs_attr_check_idn_valid(uint8_t idn, int op) +{ + if (idn >= QUERY_ATTR_IDN_COUNT) { + return QUERY_RESULT_INVALID_IDN; + } + + if (!(attr_permission[idn] & op)) { + if (op == UFS_QUERY_ATTR_READ) { + trace_ufs_err_query_attr_not_readable(idn); + return QUERY_RESULT_NOT_READABLE; + } + trace_ufs_err_query_attr_not_writable(idn); + return QUERY_RESULT_NOT_WRITEABLE; + } + + return QUERY_RESULT_SUCCESS; +} + +static QueryRespCode ufs_exec_query_flag(UfsRequest *req, int op) +{ + UfsHc *u = req->hc; + uint8_t idn = req->req_upiu.qr.idn; + uint32_t value; + QueryRespCode ret; + + ret = ufs_flag_check_idn_valid(idn, op); + if (ret) { + return ret; + } + + value = *(((uint8_t *)&u->flags) + idn); + if (idn == QUERY_FLAG_IDN_FDEVICEINIT) { + value = 0; + } else if (op == UFS_QUERY_FLAG_READ) { + value = *(((uint8_t *)&u->flags) + idn); + } else if (op == UFS_QUERY_FLAG_SET) { + value = 1; + } else if (op == UFS_QUERY_FLAG_CLEAR) { + value = 0; + } else if (op == UFS_QUERY_FLAG_TOGGLE) { + value = !value; + } else { + trace_ufs_err_query_invalid_opcode(op); + return QUERY_RESULT_INVALID_OPCODE; + } + + *(((uint8_t *)&u->flags) + idn) = value; + req->rsp_upiu.qr.value = cpu_to_be32(value); + return QUERY_RESULT_SUCCESS; +} + +static uint32_t ufs_read_attr_value(UfsHc *u, uint8_t idn) +{ + switch (idn) { + case QUERY_ATTR_IDN_BOOT_LU_EN: + return u->attributes.boot_lun_en; + case QUERY_ATTR_IDN_POWER_MODE: + return u->attributes.current_power_mode; + case QUERY_ATTR_IDN_ACTIVE_ICC_LVL: + return u->attributes.active_icc_level; + case QUERY_ATTR_IDN_OOO_DATA_EN: + return u->attributes.out_of_order_data_en; + case QUERY_ATTR_IDN_BKOPS_STATUS: + return u->attributes.background_op_status; + case QUERY_ATTR_IDN_PURGE_STATUS: + return u->attributes.purge_status; + case QUERY_ATTR_IDN_MAX_DATA_IN: + return u->attributes.max_data_in_size; + case QUERY_ATTR_IDN_MAX_DATA_OUT: + return u->attributes.max_data_out_size; + case QUERY_ATTR_IDN_DYN_CAP_NEEDED: + return be32_to_cpu(u->attributes.dyn_cap_needed); + case QUERY_ATTR_IDN_REF_CLK_FREQ: + return u->attributes.ref_clk_freq; + case QUERY_ATTR_IDN_CONF_DESC_LOCK: + return u->attributes.config_descr_lock; + case QUERY_ATTR_IDN_MAX_NUM_OF_RTT: + return u->attributes.max_num_of_rtt; + case QUERY_ATTR_IDN_EE_CONTROL: + return be16_to_cpu(u->attributes.exception_event_control); + case QUERY_ATTR_IDN_EE_STATUS: + return be16_to_cpu(u->attributes.exception_event_status); + case QUERY_ATTR_IDN_SECONDS_PASSED: + return be32_to_cpu(u->attributes.seconds_passed); + case QUERY_ATTR_IDN_CNTX_CONF: + return be16_to_cpu(u->attributes.context_conf); + case QUERY_ATTR_IDN_FFU_STATUS: + return u->attributes.device_ffu_status; + case QUERY_ATTR_IDN_PSA_STATE: + return be32_to_cpu(u->attributes.psa_state); + case QUERY_ATTR_IDN_PSA_DATA_SIZE: + return u->attributes.psa_data_size; + case QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME: + return u->attributes.ref_clk_gating_wait_time; + case QUERY_ATTR_IDN_CASE_ROUGH_TEMP: + return u->attributes.device_case_rough_temperaure; + case QUERY_ATTR_IDN_HIGH_TEMP_BOUND: + return u->attributes.device_too_high_temp_boundary; + case QUERY_ATTR_IDN_LOW_TEMP_BOUND: + return u->attributes.device_too_low_temp_boundary; + case QUERY_ATTR_IDN_THROTTLING_STATUS: + return u->attributes.throttling_status; + case QUERY_ATTR_IDN_WB_FLUSH_STATUS: + return u->attributes.wb_buffer_flush_status; + case QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE: + return u->attributes.available_wb_buffer_size; + case QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST: + return u->attributes.wb_buffer_life_time_est; + case QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE: + return be32_to_cpu(u->attributes.current_wb_buffer_size); + case QUERY_ATTR_IDN_REFRESH_STATUS: + return u->attributes.refresh_status; + case QUERY_ATTR_IDN_REFRESH_FREQ: + return u->attributes.refresh_freq; + case QUERY_ATTR_IDN_REFRESH_UNIT: + return u->attributes.refresh_unit; + } + return 0; +} + +static void ufs_write_attr_value(UfsHc *u, uint8_t idn, uint32_t value) +{ + switch (idn) { + case QUERY_ATTR_IDN_ACTIVE_ICC_LVL: + u->attributes.active_icc_level = value; + break; + case QUERY_ATTR_IDN_MAX_DATA_IN: + u->attributes.max_data_in_size = value; + break; + case QUERY_ATTR_IDN_MAX_DATA_OUT: + u->attributes.max_data_out_size = value; + break; + case QUERY_ATTR_IDN_REF_CLK_FREQ: + u->attributes.ref_clk_freq = value; + break; + case QUERY_ATTR_IDN_MAX_NUM_OF_RTT: + u->attributes.max_num_of_rtt = value; + break; + case QUERY_ATTR_IDN_EE_CONTROL: + u->attributes.exception_event_control = cpu_to_be16(value); + break; + case QUERY_ATTR_IDN_SECONDS_PASSED: + u->attributes.seconds_passed = cpu_to_be32(value); + break; + case QUERY_ATTR_IDN_PSA_STATE: + u->attributes.psa_state = value; + break; + case QUERY_ATTR_IDN_PSA_DATA_SIZE: + u->attributes.psa_data_size = cpu_to_be32(value); + break; + } +} + +static QueryRespCode ufs_exec_query_attr(UfsRequest *req, int op) +{ + UfsHc *u = req->hc; + uint8_t idn = req->req_upiu.qr.idn; + uint32_t value; + QueryRespCode ret; + + ret = ufs_attr_check_idn_valid(idn, op); + if (ret) { + return ret; + } + + if (op == UFS_QUERY_ATTR_READ) { + value = ufs_read_attr_value(u, idn); + } else { + value = be32_to_cpu(req->req_upiu.qr.value); + ufs_write_attr_value(u, idn, value); + } + + req->rsp_upiu.qr.value = cpu_to_be32(value); + return QUERY_RESULT_SUCCESS; +} + +static const RpmbUnitDescriptor rpmb_unit_desc = { + .length = sizeof(RpmbUnitDescriptor), + .descriptor_idn = 2, + .unit_index = UFS_UPIU_RPMB_WLUN, + .lu_enable = 0, +}; + +static QueryRespCode ufs_read_unit_desc(UfsRequest *req) +{ + uint8_t lun = req->req_upiu.qr.index; + + if (lun != UFS_UPIU_RPMB_WLUN && lun > UFS_MAX_LUS) { + trace_ufs_err_query_invalid_index(req->req_upiu.qr.opcode, lun); + return QUERY_RESULT_INVALID_INDEX; + } + + if (lun == UFS_UPIU_RPMB_WLUN) { + memcpy(&req->rsp_upiu.qr.data, &rpmb_unit_desc, rpmb_unit_desc.length); + } else { + /* unit descriptor is not yet supported */ + return QUERY_RESULT_INVALID_INDEX; + } + + return QUERY_RESULT_SUCCESS; +} + +static const StringDescriptor manufacturer_str_desc = { + .length = 0x12, + .descriptor_idn = QUERY_DESC_IDN_STRING, + .UC = { 'S', 'A', 'M', 'S', 'U', 'N', 'G' }, +}; + +static const StringDescriptor product_name_str_desc = { + .length = 0x22, + .descriptor_idn = QUERY_DESC_IDN_STRING, + .UC = { 'Q', 'E', 'M', 'U', '-', 'U', 'F', 'S' }, +}; + +static const StringDescriptor product_rev_level_str_desc = { + .length = 0x0a, + .descriptor_idn = QUERY_DESC_IDN_STRING, + .UC = { '0', '0', '0', '1' }, +}; + +static const StringDescriptor null_str_desc = { + .length = 0x02, + .descriptor_idn = QUERY_DESC_IDN_STRING, +}; + +static QueryRespCode ufs_read_string_desc(UfsRequest *req) +{ + UfsHc *u = req->hc; + uint8_t index = req->req_upiu.qr.index; + if (index == u->device_desc.manufacturer_name) { + memcpy(&req->rsp_upiu.qr.data, &manufacturer_str_desc, + manufacturer_str_desc.length); + } else if (index == u->device_desc.product_name) { + memcpy(&req->rsp_upiu.qr.data, &product_name_str_desc, + product_name_str_desc.length); + } else if (index == u->device_desc.serial_number) { + memcpy(&req->rsp_upiu.qr.data, &null_str_desc, null_str_desc.length); + } else if (index == u->device_desc.oem_id) { + memcpy(&req->rsp_upiu.qr.data, &null_str_desc, null_str_desc.length); + } else if (index == u->device_desc.product_revision_level) { + memcpy(&req->rsp_upiu.qr.data, &product_rev_level_str_desc, + product_rev_level_str_desc.length); + } else { + trace_ufs_err_query_invalid_index(req->req_upiu.qr.opcode, index); + return QUERY_RESULT_INVALID_INDEX; + } + return QUERY_RESULT_SUCCESS; +} + +static const InterconnectDescriptor interconnect_desc = { + .length = sizeof(InterconnectDescriptor), + .descriptor_idn = QUERY_DESC_IDN_INTERCONNECT, + .bcd_unipro_version = 0x180, + .bcd_mphy_version = 0x410, +}; + +static QueryRespCode ufs_read_desc(UfsRequest *req) +{ + UfsHc *u = req->hc; + QueryRespCode status; + uint8_t idn = req->req_upiu.qr.idn; + uint16_t length = be16_to_cpu(req->req_upiu.qr.length); + + switch (idn) { + case QUERY_DESC_IDN_DEVICE: + memcpy(&req->rsp_upiu.qr.data, &u->device_desc, sizeof(u->device_desc)); + status = QUERY_RESULT_SUCCESS; + break; + case QUERY_DESC_IDN_UNIT: + status = ufs_read_unit_desc(req); + break; + case QUERY_DESC_IDN_GEOMETRY: + memcpy(&req->rsp_upiu.qr.data, &u->geometry_desc, + sizeof(u->geometry_desc)); + status = QUERY_RESULT_SUCCESS; + break; + case QUERY_DESC_IDN_INTERCONNECT: { + memcpy(&req->rsp_upiu.qr.data, &interconnect_desc, + sizeof(interconnect_desc)); + status = QUERY_RESULT_SUCCESS; + break; + } + case QUERY_DESC_IDN_STRING: + status = ufs_read_string_desc(req); + break; + case QUERY_DESC_IDN_POWER: + /* mocking of power descriptor is not supported */ + memset(&req->rsp_upiu.qr.data, 0, sizeof(PowerParametersDescriptor)); + req->rsp_upiu.qr.data[0] = sizeof(PowerParametersDescriptor); + req->rsp_upiu.qr.data[1] = QUERY_DESC_IDN_POWER; + status = QUERY_RESULT_SUCCESS; + break; + case QUERY_DESC_IDN_HEALTH: + /* mocking of health descriptor is not supported */ + memset(&req->rsp_upiu.qr.data, 0, sizeof(DeviceHealthDescriptor)); + req->rsp_upiu.qr.data[0] = sizeof(DeviceHealthDescriptor); + req->rsp_upiu.qr.data[1] = QUERY_DESC_IDN_HEALTH; + status = QUERY_RESULT_SUCCESS; + break; + default: + length = 0; + trace_ufs_err_query_invalid_idn(req->req_upiu.qr.opcode, idn); + status = QUERY_RESULT_INVALID_IDN; + } + + if (length > req->rsp_upiu.qr.data[0]) { + length = req->rsp_upiu.qr.data[0]; + } + req->rsp_upiu.qr.opcode = req->req_upiu.qr.opcode; + req->rsp_upiu.qr.idn = req->req_upiu.qr.idn; + req->rsp_upiu.qr.index = req->req_upiu.qr.index; + req->rsp_upiu.qr.selector = req->req_upiu.qr.selector; + req->rsp_upiu.qr.length = cpu_to_be16(length); + + return status; +} + +static QueryRespCode ufs_exec_query_read(UfsRequest *req) +{ + QueryRespCode status; + switch (req->req_upiu.qr.opcode) { + case UPIU_QUERY_OPCODE_NOP: + status = QUERY_RESULT_SUCCESS; + break; + case UPIU_QUERY_OPCODE_READ_DESC: + status = ufs_read_desc(req); + break; + case UPIU_QUERY_OPCODE_READ_ATTR: + status = ufs_exec_query_attr(req, UFS_QUERY_ATTR_READ); + break; + case UPIU_QUERY_OPCODE_READ_FLAG: + status = ufs_exec_query_flag(req, UFS_QUERY_FLAG_READ); + break; + default: + trace_ufs_err_query_invalid_opcode(req->req_upiu.qr.opcode); + status = QUERY_RESULT_INVALID_OPCODE; + break; + } + + return status; +} + +static QueryRespCode ufs_exec_query_write(UfsRequest *req) +{ + QueryRespCode status; + switch (req->req_upiu.qr.opcode) { + case UPIU_QUERY_OPCODE_NOP: + status = QUERY_RESULT_SUCCESS; + break; + case UPIU_QUERY_OPCODE_WRITE_DESC: + /* write descriptor is not supported */ + status = QUERY_RESULT_NOT_WRITEABLE; + break; + case UPIU_QUERY_OPCODE_WRITE_ATTR: + status = ufs_exec_query_attr(req, UFS_QUERY_ATTR_WRITE); + break; + case UPIU_QUERY_OPCODE_SET_FLAG: + status = ufs_exec_query_flag(req, UFS_QUERY_FLAG_SET); + break; + case UPIU_QUERY_OPCODE_CLEAR_FLAG: + status = ufs_exec_query_flag(req, UFS_QUERY_FLAG_CLEAR); + break; + case UPIU_QUERY_OPCODE_TOGGLE_FLAG: + status = ufs_exec_query_flag(req, UFS_QUERY_FLAG_TOGGLE); + break; + default: + trace_ufs_err_query_invalid_opcode(req->req_upiu.qr.opcode); + status = QUERY_RESULT_INVALID_OPCODE; + break; + } + + return status; +} + +static UfsReqResult ufs_exec_query_cmd(UfsRequest *req) +{ + uint8_t query_func = req->req_upiu.header.query_func; + uint16_t data_segment_length; + QueryRespCode status; + + trace_ufs_exec_query_cmd(req->slot, req->req_upiu.qr.opcode); + if (query_func == UPIU_QUERY_FUNC_STANDARD_READ_REQUEST) { + status = ufs_exec_query_read(req); + } else if (query_func == UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST) { + status = ufs_exec_query_write(req); + } else { + status = QUERY_RESULT_GENERAL_FAILURE; + } + + data_segment_length = be16_to_cpu(req->rsp_upiu.qr.length); + ufs_build_upiu_header(req, UPIU_TRANSACTION_QUERY_RSP, 0, status, 0, + data_segment_length); + + if (status != QUERY_RESULT_SUCCESS) { + return UFS_REQUEST_ERROR; + } + return UFS_REQUEST_SUCCESS; +} + +static void ufs_exec_req(UfsRequest *req) +{ + UfsReqResult req_result; + + if (ufs_dma_read_upiu(req)) { + return; + } + + switch (req->req_upiu.header.trans_type) { + case UPIU_TRANSACTION_NOP_OUT: + req_result = ufs_exec_nop_cmd(req); + break; + case UPIU_TRANSACTION_COMMAND: + /* Not yet implemented */ + req_result = UFS_REQUEST_ERROR; + break; + case UPIU_TRANSACTION_QUERY_REQ: + req_result = ufs_exec_query_cmd(req); + break; + default: + trace_ufs_err_invalid_trans_code(req->slot, + req->req_upiu.header.trans_type); + req_result = UFS_REQUEST_ERROR; + } + + ufs_complete_req(req, req_result); +} + +static void ufs_process_req(void *opaque) +{ + UfsHc *u = opaque; + UfsRequest *req; + int slot; + + for (slot = 0; slot < u->params.nutrs; slot++) { + req = &u->req_list[slot]; + + if (req->state != UFS_REQUEST_READY) { + continue; + } + trace_ufs_process_req(slot); + req->state = UFS_REQUEST_RUNNING; + + ufs_exec_req(req); + } +} + +static void ufs_complete_req(UfsRequest *req, UfsReqResult req_result) +{ + UfsHc *u = req->hc; + assert(req->state == UFS_REQUEST_RUNNING); + + if (req_result == UFS_REQUEST_SUCCESS) { + req->utrd.header.dword_2 = OCS_SUCCESS; + } else { + req->utrd.header.dword_2 = OCS_INVALID_CMD_TABLE_ATTR; + } + + trace_ufs_complete_req(req->slot); + req->state = UFS_REQUEST_COMPLETE; + qemu_bh_schedule(u->complete_bh); +} + +static void ufs_clear_req(UfsRequest *req) +{ + if (req->sg != NULL) { + qemu_sglist_destroy(req->sg); + g_free(req->sg); + req->sg = NULL; + } + + memset(&req->utrd, 0, sizeof(req->utrd)); + memset(&req->req_upiu, 0, sizeof(req->req_upiu)); + memset(&req->rsp_upiu, 0, sizeof(req->rsp_upiu)); +} + +static void ufs_sendback_req(void *opaque) +{ + UfsHc *u = opaque; + UfsRequest *req; + int slot; + + for (slot = 0; slot < u->params.nutrs; slot++) { + uint32_t is = ldl_le_p(&u->reg.is); + uint32_t utrldbr = ldl_le_p(&u->reg.utrldbr); + uint32_t utrlcnr = ldl_le_p(&u->reg.utrlcnr); + + req = &u->req_list[slot]; + + if (req->state != UFS_REQUEST_COMPLETE) { + continue; + } + + if (ufs_dma_write_upiu(req)) { + continue; + } + + /* + * TODO: UTP Transfer Request Interrupt Aggregation Control is not yet + * supported + */ + if (req->utrd.header.dword_2 != OCS_SUCCESS || + req->utrd.header.dword_0 & UTP_REQ_DESC_INT_CMD) { + is = FIELD_DP32(is, IS, UTRCS, 1); + } + + utrldbr &= ~(1 << slot); + utrlcnr |= (1 << slot); + + stl_le_p(&u->reg.is, is); + stl_le_p(&u->reg.utrldbr, utrldbr); + stl_le_p(&u->reg.utrlcnr, utrlcnr); + + trace_ufs_sendback_req(req->slot); + + ufs_clear_req(req); + req->state = UFS_REQUEST_IDLE; + } + + ufs_irq_check(u); +} + static bool ufs_check_constraints(UfsHc *u, Error **errp) { if (u->params.nutrs > UFS_MAX_NUTRS) { @@ -232,6 +1118,23 @@ static void ufs_init_pci(UfsHc *u, PCIDevice *pci_dev) u->irq = pci_allocate_irq(pci_dev); } +static void ufs_init_state(UfsHc *u) +{ + u->req_list = g_new0(UfsRequest, u->params.nutrs); + + for (int i = 0; i < u->params.nutrs; i++) { + u->req_list[i].hc = u; + u->req_list[i].slot = i; + u->req_list[i].sg = NULL; + u->req_list[i].state = UFS_REQUEST_IDLE; + } + + u->doorbell_bh = qemu_bh_new_guarded(ufs_process_req, u, + &DEVICE(u)->mem_reentrancy_guard); + u->complete_bh = qemu_bh_new_guarded(ufs_sendback_req, u, + &DEVICE(u)->mem_reentrancy_guard); +} + static void ufs_init_hc(UfsHc *u) { uint32_t cap = 0; @@ -249,6 +1152,54 @@ static void ufs_init_hc(UfsHc *u) cap = FIELD_DP32(cap, CAP, CS, 0); stl_le_p(&u->reg.cap, cap); stl_le_p(&u->reg.ver, UFS_SPEC_VER); + + memset(&u->device_desc, 0, sizeof(DeviceDescriptor)); + u->device_desc.length = sizeof(DeviceDescriptor); + u->device_desc.descriptor_idn = QUERY_DESC_IDN_DEVICE; + u->device_desc.device_sub_class = 0x01; + u->device_desc.number_lu = 0x00; + u->device_desc.number_wlu = 0x04; + /* TODO: Revisit it when Power Management is implemented */ + u->device_desc.init_power_mode = 0x01; /* Active Mode */ + u->device_desc.high_priority_lun = 0x7F; /* Same Priority */ + u->device_desc.spec_version = cpu_to_be16(0x0310); + u->device_desc.manufacturer_name = 0x00; + u->device_desc.product_name = 0x01; + u->device_desc.serial_number = 0x02; + u->device_desc.oem_id = 0x03; + u->device_desc.ud_0_base_offset = 0x16; + u->device_desc.ud_config_p_length = 0x1A; + u->device_desc.device_rtt_cap = 0x02; + u->device_desc.queue_depth = u->params.nutrs; + u->device_desc.product_revision_level = 0x04; + u->device_desc.extended_ufs_features_support = 0x00; + + memset(&u->geometry_desc, 0, sizeof(GeometryDescriptor)); + u->geometry_desc.length = sizeof(GeometryDescriptor); + u->geometry_desc.descriptor_idn = QUERY_DESC_IDN_GEOMETRY; + u->geometry_desc.total_raw_device_capacity = 0; + u->geometry_desc.max_number_lu = (UFS_MAX_LUS == 32) ? 0x1 : 0x0; + u->geometry_desc.segment_size = cpu_to_be32(0x2000); /* 4KB */ + u->geometry_desc.allocation_unit_size = 0x1; /* 4KB */ + u->geometry_desc.min_addr_block_size = 0x8; /* 4KB */ + u->geometry_desc.max_in_buffer_size = 0x8; + u->geometry_desc.max_out_buffer_size = 0x8; + u->geometry_desc.rpmb_read_write_size = 0x40; + u->geometry_desc.data_ordering = + 0x0; /* out-of-order data transfer is not supported */ + u->geometry_desc.max_context_id_number = 0x5; + u->geometry_desc.supported_memory_types = cpu_to_be16(0x8001); + + memset(&u->attributes, 0, sizeof(u->attributes)); + u->attributes.max_data_in_size = 0x08; + u->attributes.max_data_out_size = 0x08; + u->attributes.ref_clk_freq = 0x01; /* 26 MHz */ + /* configure descriptor is not supported */ + u->attributes.config_descr_lock = 0x01; + u->attributes.max_num_of_rtt = 0x02; + + memset(&u->flags, 0, sizeof(u->flags)); + u->flags.permanently_disable_fw_update = 1; } static void ufs_realize(PCIDevice *pci_dev, Error **errp) @@ -259,10 +1210,24 @@ static void ufs_realize(PCIDevice *pci_dev, Error **errp) return; } + ufs_init_state(u); ufs_init_hc(u); ufs_init_pci(u, pci_dev); } +static void ufs_exit(PCIDevice *pci_dev) +{ + UfsHc *u = UFS(pci_dev); + + qemu_bh_delete(u->doorbell_bh); + qemu_bh_delete(u->complete_bh); + + for (int i = 0; i < u->params.nutrs; i++) { + ufs_clear_req(&u->req_list[i]); + } + g_free(u->req_list); +} + static Property ufs_props[] = { DEFINE_PROP_STRING("serial", UfsHc, params.serial), DEFINE_PROP_UINT8("nutrs", UfsHc, params.nutrs, 32), @@ -281,6 +1246,7 @@ static void ufs_class_init(ObjectClass *oc, void *data) PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); pc->realize = ufs_realize; + pc->exit = ufs_exit; pc->class_id = PCI_CLASS_STORAGE_UFS; set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); diff --git a/hw/ufs/ufs.h b/hw/ufs/ufs.h index 3c28f4e62d..5d4fd818f9 100644 --- a/hw/ufs/ufs.h +++ b/hw/ufs/ufs.h @@ -18,6 +18,31 @@ #define UFS_MAX_LUS 32 #define UFS_LOGICAL_BLK_SIZE 4096 +typedef enum UfsRequestState { + UFS_REQUEST_IDLE = 0, + UFS_REQUEST_READY = 1, + UFS_REQUEST_RUNNING = 2, + UFS_REQUEST_COMPLETE = 3, +} UfsRequestState; + +typedef enum UfsReqResult { + UFS_REQUEST_SUCCESS = 0, + UFS_REQUEST_ERROR = 1, +} UfsReqResult; + +typedef struct UfsRequest { + struct UfsHc *hc; + UfsRequestState state; + int slot; + + UtpTransferReqDesc utrd; + UtpUpiuReq req_upiu; + UtpUpiuRsp rsp_upiu; + + /* for scsi command */ + QEMUSGList *sg; +} UfsRequest; + typedef struct UfsParams { char *serial; uint8_t nutrs; /* Number of UTP Transfer Request Slots */ @@ -30,6 +55,12 @@ typedef struct UfsHc { UfsReg reg; UfsParams params; uint32_t reg_size; + UfsRequest *req_list; + + DeviceDescriptor device_desc; + GeometryDescriptor geometry_desc; + Attributes attributes; + Flags flags; qemu_irq irq; QEMUBH *doorbell_bh; @@ -39,4 +70,18 @@ typedef struct UfsHc { #define TYPE_UFS "ufs" #define UFS(obj) OBJECT_CHECK(UfsHc, (obj), TYPE_UFS) +typedef enum UfsQueryFlagPerm { + UFS_QUERY_FLAG_NONE = 0x0, + UFS_QUERY_FLAG_READ = 0x1, + UFS_QUERY_FLAG_SET = 0x2, + UFS_QUERY_FLAG_CLEAR = 0x4, + UFS_QUERY_FLAG_TOGGLE = 0x8, +} UfsQueryFlagPerm; + +typedef enum UfsQueryAttrPerm { + UFS_QUERY_ATTR_NONE = 0x0, + UFS_QUERY_ATTR_READ = 0x1, + UFS_QUERY_ATTR_WRITE = 0x2, +} UfsQueryAttrPerm; + #endif /* HW_UFS_UFS_H */