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Wed, 21 Jun 2023 08:01:59 +0000 (GMT) Received: from epsmges2p4.samsung.com (unknown [182.195.36.68]) by epsnrtp3.localdomain (Postfix) with ESMTP id 4QmGDk3cmsz4x9QJ; Wed, 21 Jun 2023 08:01:58 +0000 (GMT) X-AuditID: b6c32a48-adffa70000007e89-fe-6492ae76f4d1 Received: from epcas2p2.samsung.com ( [182.195.41.54]) by epsmges2p4.samsung.com (Symantec Messaging Gateway) with SMTP id E7.87.32393.67EA2946; Wed, 21 Jun 2023 17:01:58 +0900 (KST) Mime-Version: 1.0 Subject: [PATCH v3 2/3] hw/ufs: Support for Query Transfer Requests From: Jeuk Kim To: "qemu-devel@nongnu.org" CC: "stefanha@redhat.com" , "kwolf@redhat.com" , "hreitz@redhat.com" , "pbonzini@redhat.com" , "fam@euphon.net" , "qemu-block@nongnu.org" , Klaus Birkelund Jensen X-Priority: 3 X-Content-Kind-Code: NORMAL In-Reply-To: <20230621075535epcms2p7fc17717fe677ab8a8b714607486b7b6a@epcms2p7> 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: <20230621080157epcms2p7aef9d4baec3dba76256220b261085d04@epcms2p7> Date: Wed, 21 Jun 2023 17:01:57 +0900 X-CMS-MailID: 20230621080157epcms2p7aef9d4baec3dba76256220b261085d04 X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmphk+LIzCtJLcpLzFFi42LZdljTTLds3aQUg+lbWS2u7D/PaPHgbj+j xcnGPawWSy6mWuzf9o/VYta7djaL4707WCxeT/rP6sDh8eNcO5vHk2ubmTze77vK5tG3ZRVj AEtUtk1GamJKapFCal5yfkpmXrqtkndwvHO8qZmBoa6hpYW5kkJeYm6qrZKLT4CuW2YO0BlK CmWJOaVAoYDE4mIlfTubovzSklSFjPziElul1IKUnALzAr3ixNzi0rx0vbzUEitDAwMjU6DC hOyMudvbmAru72Sq2HLzM1MD46sPjF2MHBwSAiYSVz5JdTFycQgJ7GCU2NR3HizOKyAo8XeH cBcjJ4ewgLPEp+lnGUFsIQEFiTnbOtgh4poS09dPZAIpZxNQlzi90BwkLCJgLHHs8BJmEJtZ YDuTxNGmOhBbQoBXYkb7UxYIW1pi+/KtYCM5Bfwk1p58yQwR15D4sawXyhaVuLn6LTuM/f7Y fEYIW0Si9d5ZqBpBiQc/d0PFJSVOfXvMCmFPZ5RY8N8U5C0JgQWMEr+ap0M16Etc69gIdgSv gK/E6cuXwRpYBFQlettmQC1zkdjWdpMV4gF5ie1v5zCD/MgM9O/6XfqQUFOWOHKLBaKCT6Lj 8F92mBd3zHvCBGGrSCxuPswKUS4lsWF3KITpIfH0u8IERsVZiFCehWTTLIRNCxiZVzGKpRYU 56anFhsVmMBjNjk/dxMjODlqeexgnP32g94hRiYOxkOMEhzMSiK8QXv7UoR4UxIrq1KL8uOL SnNSiw8xmgL9OJFZSjQ5H5ie80riDU0sDUzMzAzNjUwNzJXEeQ2f9aYICaQnlqRmp6YWpBbB 9DFxcEo1MIVJLUuafCg3POyRtWnOxPX8KYrtT12Dusrvi77N9XlfU7pebseLVJVaBxshh6e7 ljT9ym513zj31FT2qz0O+hrltXv3h902m8Q8ccP174cTFynPOVrMeSbkeITWrdMKmzeEF4qK 8PcufXinIZI3Nc7zp9Pk/877c9PZXlsuv/B6nsWepVUSf6P5Ui59WBAxR6Xr2NwtzV5lE1dv 7M8xdBOc/kXP9cP/5p32LPcS01aZT+WzuyxlbC6co7bTZMPT9fdq9wmfbHJg8o8QiE2tWCFc HVV6ecHOSsEzW/eYFDzVMPnyReSPVUn5vK4T99Pslx+6EioQ2eIZ/nsvf6GWqtflKVUWxVd+ f5307aqJrRJLcUaioRZzUXEiACNknJkXBAAA DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20230621075535epcms2p7fc17717fe677ab8a8b714607486b7b6a References: <20230621075535epcms2p7fc17717fe677ab8a8b714607486b7b6a@epcms2p7> Received-SPF: pass client-ip=203.254.224.25; envelope-from=jeuk20.kim@samsung.com; helo=mailout2.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, 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/trace-events | 1 + hw/ufs/ufs.c | 1005 ++++++++++++++++++++++++++++++++++++++++++- hw/ufs/ufs.h | 46 ++ 3 files changed, 1050 insertions(+), 2 deletions(-) diff --git a/hw/ufs/trace-events b/hw/ufs/trace-events index 17793929b1..97cf6664b9 100644 --- a/hw/ufs/trace-events +++ b/hw/ufs/trace-events @@ -19,6 +19,7 @@ ufs_err_dma_read_req_upiu(uint32_t slot, uint64_t addr) "failed to read req upiu ufs_err_dma_read_prdt(uint32_t slot, uint64_t addr) "failed to read prdt. UTRLDBR slot %"PRIu32", prdt addr %"PRIu64"" ufs_err_dma_write_utrd(uint32_t slot, uint64_t addr) "failed to write utrd. UTRLDBR slot %"PRIu32", UTRD dma addr %"PRIu64"" ufs_err_dma_write_rsp_upiu(uint32_t slot, uint64_t addr) "failed to write rsp upiu. UTRLDBR slot %"PRIu32", response upiu addr %"PRIu64"" +ufs_err_utrl_slot_error(uint32_t slot) "UTRLDBR slot %"PRIu32" is in error" ufs_err_utrl_slot_busy(uint32_t slot) "UTRLDBR slot %"PRIu32" is busy" ufs_err_unsupport_register_offset(uint32_t offset) "Register offset 0x%"PRIx32" is not yet supported" ufs_err_invalid_register_offset(uint32_t offset) "Register offset 0x%"PRIx32" is invalid" diff --git a/hw/ufs/ufs.c b/hw/ufs/ufs.c index 99e5e55e97..2b564141c6 100644 --- a/hw/ufs/ufs.c +++ b/hw/ufs/ufs.c @@ -15,10 +15,234 @@ #include "ufs.h" /* The QEMU-UFS device follows spec version 3.1 */ -#define UFS_SPEC_VER 0x00000310 +#define UFS_SPEC_VER 0x0310 #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); + g_autofree UfshcdSgEntry *prd_entries = NULL; + 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(); + 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); + } + 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 +258,41 @@ 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_ERROR) { + trace_ufs_err_utrl_slot_error(req->slot); + return; + } + + 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 +344,7 @@ 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 +379,9 @@ 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 +461,667 @@ 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; + } + + 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 = *(((uint8_t *)&u->flags) + idn); + 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 be32_to_cpu(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 inline StringDescriptor manufacturer_str_desc(void) +{ + StringDescriptor desc = { + .length = 0x12, + .descriptor_idn = QUERY_DESC_IDN_STRING, + }; + desc.UC[0] = cpu_to_be16('R'); + desc.UC[1] = cpu_to_be16('E'); + desc.UC[2] = cpu_to_be16('D'); + desc.UC[3] = cpu_to_be16('H'); + desc.UC[4] = cpu_to_be16('A'); + desc.UC[5] = cpu_to_be16('T'); + return desc; +} + +static inline StringDescriptor product_name_str_desc(void) +{ + StringDescriptor desc = { + .length = 0x22, + .descriptor_idn = QUERY_DESC_IDN_STRING, + }; + desc.UC[0] = cpu_to_be16('Q'); + desc.UC[1] = cpu_to_be16('E'); + desc.UC[2] = cpu_to_be16('M'); + desc.UC[3] = cpu_to_be16('U'); + desc.UC[4] = cpu_to_be16(' '); + desc.UC[5] = cpu_to_be16('U'); + desc.UC[6] = cpu_to_be16('F'); + desc.UC[7] = cpu_to_be16('S'); + return desc; +} + +static inline StringDescriptor product_rev_level_str_desc(void) +{ + StringDescriptor desc = { + .length = 0x0a, + .descriptor_idn = QUERY_DESC_IDN_STRING, + }; + desc.UC[0] = cpu_to_be16('0'); + desc.UC[1] = cpu_to_be16('0'); + desc.UC[2] = cpu_to_be16('0'); + desc.UC[3] = cpu_to_be16('1'); + return desc; +} + +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; + StringDescriptor desc; + + if (index == u->device_desc.manufacturer_name) { + desc = manufacturer_str_desc(); + memcpy(&req->rsp_upiu.qr.data, &desc, desc.length); + } else if (index == u->device_desc.product_name) { + desc = product_name_str_desc(); + memcpy(&req->rsp_upiu.qr.data, &desc, 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) { + desc = product_rev_level_str_desc(); + memcpy(&req->rsp_upiu.qr.data, &desc, 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 inline InterconnectDescriptor interconnect_desc(void) +{ + InterconnectDescriptor desc = { + .length = sizeof(InterconnectDescriptor), + .descriptor_idn = QUERY_DESC_IDN_INTERCONNECT, + }; + desc.bcd_unipro_version = cpu_to_be16(0x180); + desc.bcd_mphy_version = cpu_to_be16(0x410); + return desc; +} + +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); + InterconnectDescriptor desc; + + 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: { + desc = interconnect_desc(); + memcpy(&req->rsp_upiu.qr.data, &desc, sizeof(InterconnectDescriptor)); + 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_FAIL; + } + 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_FAIL; + 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_FAIL; + } + + 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 = cpu_to_le32(OCS_SUCCESS); + } else { + req->utrd.header.dword_2 = cpu_to_le32(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)) { + req->state = UFS_REQUEST_ERROR; + continue; + } + + /* + * TODO: UTP Transfer Request Interrupt Aggregation Control is not yet + * supported + */ + if (le32_to_cpu(req->utrd.header.dword_2) != OCS_SUCCESS || + le32_to_cpu(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) { @@ -229,6 +1152,23 @@ 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; @@ -246,6 +1186,52 @@ 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(UFS_SPEC_VER); + 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; + + 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.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) @@ -256,10 +1242,24 @@ 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), @@ -278,6 +1278,7 @@ static void ufs_class_init(ObjectClass *oc, void *data) PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc); pc->realize = ufs_realize; + pc->exit = ufs_exit; pc->vendor_id = PCI_VENDOR_ID_REDHAT; pc->device_id = PCI_DEVICE_ID_REDHAT_UFS; pc->class_id = PCI_CLASS_STORAGE_UFS; diff --git a/hw/ufs/ufs.h b/hw/ufs/ufs.h index e7ae887001..869361447f 100644 --- a/hw/ufs/ufs.h +++ b/hw/ufs/ufs.h @@ -18,6 +18,32 @@ #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, + UFS_REQUEST_ERROR = 4, +} UfsRequestState; + +typedef enum UfsReqResult { + UFS_REQUEST_SUCCESS = 0, + UFS_REQUEST_FAIL = 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 +56,12 @@ 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 +71,18 @@ 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 */