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Thu, 09 Apr 2026 18:50:46 -0700 (PDT) From: Jaemyung Lee X-Google-Original-From: Jaemyung Lee Date: Fri, 10 Apr 2026 10:50:03 +0900 Subject: [PATCH v4 1/5] hw/ufs: Apply UFS 4.1 Specification MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260410-write_booster-v4-1-d58a680587df@samsung.com> References: <20260410-write_booster-v4-0-d58a680587df@samsung.com> In-Reply-To: <20260410-write_booster-v4-0-d58a680587df@samsung.com> To: qemu-devel@nongnu.org Cc: Jeuk Kim , Kevin Wolf , Hanna Reitz , qemu-block@nongnu.org, Fabiano Rosas , Laurent Vivier , Paolo Bonzini , Jaemyung Lee X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1775785840; l=12799; i=jaemyung.lee@samsung.com; s=20260402; h=from:subject:message-id; bh=CgN8ljzeml1hAPWOnqVTo/m8W7lnE0WV5YXREroYZ/Q=; b=wILhAS+6N+lS+2DD35UmuwKoW4O79V4eBiBotus/f5rXrBgtteYKVovTh/JfEy0zSfPSqXwjA 7LuIsuIWMCODM4w+UsF80mxRdx0eZJtLT8oMfhGP3sZavymQ59l5Dvm X-Developer-Key: i=jaemyung.lee@samsung.com; 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QEMU-UFS device emulates operation via UFS 4.0 Specification, but current latest Spec. version is UFS 4.1. So extent internal DESCRIPTOR/FLAG/ATTRIBUTE declaration to follow UFS 4.1 Spec. It does not implement any actual functionallity, but only adds minimum supportability for further implementation. Signed-off-by: Jaemyung Lee --- hw/ufs/ufs.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++= +--- include/block/ufs.h | 59 ++++++++++++++++++++++++++++++++++++++++++--- 2 files changed, 122 insertions(+), 6 deletions(-) diff --git a/hw/ufs/ufs.c b/hw/ufs/ufs.c index cb74cb56bc15ec6fb873097ccb1b6e5694639bd9..b2b70c8b38ebecd8d49ecce2886= 14d55efd90f2e 100644 --- a/hw/ufs/ufs.c +++ b/hw/ufs/ufs.c @@ -9,7 +9,7 @@ */ =20 /** - * Reference Specs: https://www.jedec.org/, 4.0 + * Reference Specs: https://www.jedec.org/, 4.1 * * Usage * ----- @@ -29,8 +29,8 @@ #include "trace.h" #include "ufs.h" =20 -/* The QEMU-UFS device follows spec version 4.0 */ -#define UFS_SPEC_VER 0x0400 +/* The QEMU-UFS device follows spec version 4.1 */ +#define UFS_SPEC_VER 0x0410 #define UFS_MAX_NUTRS 32 #define UFS_MAX_NUTMRS 8 #define UFS_MCQ_QCFGPTR 2 @@ -1000,6 +1000,7 @@ static const int flag_permission[UFS_QUERY_FLAG_IDN_C= OUNT] =3D { [UFS_QUERY_FLAG_IDN_WB_EN] =3D UFS_QUERY_FLAG_READ, [UFS_QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN] =3D UFS_QUERY_FLAG_READ, [UFS_QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8] =3D UFS_QUERY_FLAG_R= EAD, + [UFS_QUERY_FLAG_IDN_UNPIN_EN] =3D UFS_QUERY_FLAG_READ, }; =20 static inline QueryRespCode ufs_flag_check_idn_valid(uint8_t idn, int op) @@ -1057,10 +1058,31 @@ static const int attr_permission[UFS_QUERY_ATTR_IDN= _COUNT] =3D { [UFS_QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE] =3D UFS_QUERY_ATTR_READ, [UFS_QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST] =3D UFS_QUERY_ATTR_READ, [UFS_QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_EXT_IID_EN] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_HOST_HINT_CACHE_SIZE] =3D UFS_QUERY_ATTR_READ, /* refresh operation is not supported */ [UFS_QUERY_ATTR_IDN_REFRESH_STATUS] =3D UFS_QUERY_ATTR_READ, [UFS_QUERY_ATTR_IDN_REFRESH_FREQ] =3D UFS_QUERY_ATTR_READ, [UFS_QUERY_ATTR_IDN_REFRESH_UNIT] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_TIMESTAMP] =3D UFS_QUERY_ATTR_WRITE, + [UFS_QUERY_ATTR_IDN_DEVICE_LEVEL_EXCEPTION_ID] =3D UFS_QUERY_ATTR_READ, + /* host initiated defragmentation is not supported */ + [UFS_QUERY_ATTR_IDN_DEFRAG_OP] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_HID_AVAIL_SIZE] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_HID_SIZE] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_HID_PROG_RATIO] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_HID_STATE] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_WB_BUFF_RESIZE_HINT] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_WB_BUFF_RESIZE_EN] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_WB_BUFF_RESIZE_STATUS] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_WB_BUFF_PARTIAL_FLUSH_MODE] =3D UFS_QUERY_ATTR_REA= D, + [UFS_QUERY_ATTR_IDN_MAX_FIFO_WB_PARTIAL_FLUSH_MODE] =3D UFS_QUERY_ATTR= _READ, + [UFS_QUERY_ATTR_IDN_CURR_FIFO_WB_PARTIAL_FLUSH_MODE] =3D UFS_QUERY_ATT= R_READ, + [UFS_QUERY_ATTR_IDN_PINNED_WB_BUFF_CURR_ALLOC_UNITS] =3D UFS_QUERY_ATT= R_READ, + [UFS_QUERY_ATTR_IDN_PINNED_WB_BUFF_AVAIL_PERCENT] =3D UFS_QUERY_ATTR_R= EAD, + [UFS_QUERY_ATTR_IDN_PINNED_WB_CUMM_WRITTEN_SIZE] =3D UFS_QUERY_ATTR_RE= AD, + [UFS_QUERY_ATTR_IDN_PINNED_WB_NUM_ALLOC_UNITS] =3D UFS_QUERY_ATTR_READ, + [UFS_QUERY_ATTR_IDN_NON_PINNED_WB_MIN_NUM_ALLOC_UNITS] =3D UFS_QUERY_A= TTR_READ, }; =20 static inline QueryRespCode ufs_attr_check_idn_valid(uint8_t idn, int op) @@ -1194,12 +1216,50 @@ static uint32_t ufs_read_attr_value(UfsHc *u, uint8= _t idn) return u->attributes.wb_buffer_life_time_est; case UFS_QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE: return be32_to_cpu(u->attributes.current_wb_buffer_size); + case UFS_QUERY_ATTR_IDN_EXT_IID_EN: + return u->attributes.ext_iid_en; + case UFS_QUERY_ATTR_IDN_HOST_HINT_CACHE_SIZE: + return be16_to_cpu(u->attributes.host_hint_cache_size); case UFS_QUERY_ATTR_IDN_REFRESH_STATUS: return u->attributes.refresh_status; case UFS_QUERY_ATTR_IDN_REFRESH_FREQ: return u->attributes.refresh_freq; case UFS_QUERY_ATTR_IDN_REFRESH_UNIT: return u->attributes.refresh_unit; + case UFS_QUERY_ATTR_IDN_DEVICE_LEVEL_EXCEPTION_ID: + return be64_to_cpu(u->attributes.device_level_exception_id); + case UFS_QUERY_ATTR_IDN_DEFRAG_OP: + return u->attributes.defrag_op; + case UFS_QUERY_ATTR_IDN_HID_AVAIL_SIZE: + return be32_to_cpu(u->attributes.hid_avail_size); + case UFS_QUERY_ATTR_IDN_HID_SIZE: + return be32_to_cpu(u->attributes.hid_size); + case UFS_QUERY_ATTR_IDN_HID_PROG_RATIO: + return u->attributes.hid_prog_ratio; + case UFS_QUERY_ATTR_IDN_HID_STATE: + return u->attributes.hid_state; + case UFS_QUERY_ATTR_IDN_WB_BUFF_RESIZE_HINT: + return u->attributes.wb_buffer_resize_hint; + case UFS_QUERY_ATTR_IDN_WB_BUFF_RESIZE_EN: + return u->attributes.wb_buffer_resize_en; + case UFS_QUERY_ATTR_IDN_WB_BUFF_RESIZE_STATUS: + return u->attributes.wb_buffer_resize_status; + case UFS_QUERY_ATTR_IDN_WB_BUFF_PARTIAL_FLUSH_MODE: + return u->attributes.wb_buffer_partial_flush_mode; + case UFS_QUERY_ATTR_IDN_MAX_FIFO_WB_PARTIAL_FLUSH_MODE: + return be32_to_cpu(u->attributes.max_fifo_wb_partial_flush_mode); + case UFS_QUERY_ATTR_IDN_CURR_FIFO_WB_PARTIAL_FLUSH_MODE: + return be32_to_cpu(u->attributes.curr_fifo_wb_partial_flush_mode); + case UFS_QUERY_ATTR_IDN_PINNED_WB_BUFF_CURR_ALLOC_UNITS: + return be32_to_cpu(u->attributes.pinned_wb_buffer_curr_alloc_units= ); + case UFS_QUERY_ATTR_IDN_PINNED_WB_BUFF_AVAIL_PERCENT: + return u->attributes.pinned_wb_buffer_avail_percent; + case UFS_QUERY_ATTR_IDN_PINNED_WB_CUMM_WRITTEN_SIZE: + return be32_to_cpu(u->attributes.pinned_wb_cumm_written_size); + case UFS_QUERY_ATTR_IDN_PINNED_WB_NUM_ALLOC_UNITS: + return be32_to_cpu(u->attributes.pinned_wb_num_alloc_units); + case UFS_QUERY_ATTR_IDN_NON_PINNED_WB_MIN_NUM_ALLOC_UNITS: + return be32_to_cpu(u->attributes.non_pinned_wb_min_num_alloc_units= ); } return 0; } @@ -1237,6 +1297,9 @@ static QueryRespCode ufs_write_attr_value(UfsHc *u, u= int8_t idn, uint32_t value) case UFS_QUERY_ATTR_IDN_PSA_DATA_SIZE: u->attributes.psa_data_size =3D cpu_to_be32(value); break; + case UFS_QUERY_ATTR_IDN_TIMESTAMP: + u->attributes.timestamp =3D cpu_to_be64(value); + break; } return UFS_QUERY_RESULT_SUCCESS; } diff --git a/include/block/ufs.h b/include/block/ufs.h index 04cb24324d7c5585be9df596738183e1924403fb..4dacfb776f947a285d86018add8= 2115f148b7dd9 100644 --- a/include/block/ufs.h +++ b/include/block/ufs.h @@ -294,7 +294,8 @@ typedef struct QEMU_PACKED DeviceDescriptor { uint32_t psa_max_data_size; uint8_t psa_state_timeout; uint8_t product_revision_level; - uint8_t reserved[36]; + uint8_t reserved[34]; + uint16_t extended_wb_support; uint32_t extended_ufs_features_support; uint8_t write_booster_buffer_preserve_user_space_en; uint8_t write_booster_buffer_type; @@ -342,6 +343,8 @@ typedef struct QEMU_PACKED GeometryDescriptor { uint8_t write_booster_buffer_cap_adj_fac; uint8_t supported_write_booster_buffer_user_space_reduction_types; uint8_t supported_write_booster_buffer_types; + uint8_t reserved3[17]; + uint8_t cap_adj_fac_representation; } GeometryDescriptor; =20 #define UFS_GEOMETRY_CAPACITY_SHIFT 9 @@ -437,6 +440,8 @@ typedef struct QEMU_PACKED Flags { uint8_t wb_buffer_flush_en; uint8_t wb_buffer_flush_during_hibernate; uint8_t reserved4[2]; + uint8_t unpin_en; + uint8_t reserved5[235]; } Flags; =20 typedef struct Attributes { @@ -457,6 +462,8 @@ typedef struct Attributes { uint16_t exception_event_status; uint32_t seconds_passed; uint16_t context_conf; + uint8_t obsolete; + uint8_t reserved2[2]; uint8_t device_ffu_status; uint8_t psa_state; uint32_t psa_data_size; @@ -469,10 +476,34 @@ typedef struct Attributes { uint8_t available_wb_buffer_size; uint8_t wb_buffer_life_time_est; uint32_t current_wb_buffer_size; + uint8_t reserved3[10]; + uint8_t ext_iid_en; + uint16_t host_hint_cache_size; uint8_t refresh_status; uint8_t refresh_freq; uint8_t refresh_unit; uint8_t refresh_method; + uint64_t timestamp; + uint8_t reserved4[3]; + uint64_t device_level_exception_id; + uint8_t defrag_op; + uint32_t hid_avail_size; + uint32_t hid_size; + uint8_t hid_prog_ratio; + uint8_t hid_state; + uint8_t reserved5[2]; + uint8_t wb_buffer_resize_hint; + uint8_t wb_buffer_resize_en; + uint8_t wb_buffer_resize_status; + uint8_t wb_buffer_partial_flush_mode; + uint32_t max_fifo_wb_partial_flush_mode; + uint32_t curr_fifo_wb_partial_flush_mode; + uint32_t pinned_wb_buffer_curr_alloc_units; + uint8_t pinned_wb_buffer_avail_percent; + uint32_t pinned_wb_cumm_written_size; + uint32_t pinned_wb_num_alloc_units; + uint32_t non_pinned_wb_min_num_alloc_units; + uint8_t reserved6[184]; } Attributes; =20 #define UFS_TRANSACTION_SPECIFIC_FIELD_SIZE 20 @@ -856,6 +887,7 @@ enum flag_idn { UFS_QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8 =3D 0x10, UFS_QUERY_FLAG_IDN_HPB_RESET =3D 0x11, UFS_QUERY_FLAG_IDN_HPB_EN =3D 0x12, + UFS_QUERY_FLAG_IDN_UNPIN_EN =3D 0x13, UFS_QUERY_FLAG_IDN_COUNT, }; =20 @@ -893,9 +925,29 @@ enum attr_idn { UFS_QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE =3D 0x1D, UFS_QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST =3D 0x1E, UFS_QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE =3D 0x1F, + UFS_QUERY_ATTR_IDN_EXT_IID_EN =3D 0x2A, + UFS_QUERY_ATTR_IDN_HOST_HINT_CACHE_SIZE =3D 0x2B, UFS_QUERY_ATTR_IDN_REFRESH_STATUS =3D 0x2C, UFS_QUERY_ATTR_IDN_REFRESH_FREQ =3D 0x2D, UFS_QUERY_ATTR_IDN_REFRESH_UNIT =3D 0x2E, + UFS_QUERY_ATTR_IDN_TIMESTAMP =3D 0x30, + UFS_QUERY_ATTR_IDN_DEVICE_LEVEL_EXCEPTION_ID =3D 0x34, + UFS_QUERY_ATTR_IDN_DEFRAG_OP =3D 0x35, + UFS_QUERY_ATTR_IDN_HID_AVAIL_SIZE =3D 0x36, + UFS_QUERY_ATTR_IDN_HID_SIZE =3D 0x37, + UFS_QUERY_ATTR_IDN_HID_PROG_RATIO =3D 0x38, + UFS_QUERY_ATTR_IDN_HID_STATE =3D 0x39, + UFS_QUERY_ATTR_IDN_WB_BUFF_RESIZE_HINT =3D 0x3C, + UFS_QUERY_ATTR_IDN_WB_BUFF_RESIZE_EN =3D 0x3D, + UFS_QUERY_ATTR_IDN_WB_BUFF_RESIZE_STATUS =3D 0x3E, + UFS_QUERY_ATTR_IDN_WB_BUFF_PARTIAL_FLUSH_MODE =3D 0x3F, + UFS_QUERY_ATTR_IDN_MAX_FIFO_WB_PARTIAL_FLUSH_MODE =3D 0x40, + UFS_QUERY_ATTR_IDN_CURR_FIFO_WB_PARTIAL_FLUSH_MODE =3D 0x41, + UFS_QUERY_ATTR_IDN_PINNED_WB_BUFF_CURR_ALLOC_UNITS =3D 0x42, + UFS_QUERY_ATTR_IDN_PINNED_WB_BUFF_AVAIL_PERCENT =3D 0x43, + UFS_QUERY_ATTR_IDN_PINNED_WB_CUMM_WRITTEN_SIZE =3D 0x44, + UFS_QUERY_ATTR_IDN_PINNED_WB_NUM_ALLOC_UNITS =3D 0x45, + UFS_QUERY_ATTR_IDN_NON_PINNED_WB_MIN_NUM_ALLOC_UNITS =3D 0x46, UFS_QUERY_ATTR_IDN_COUNT, }; =20 @@ -1005,6 +1057,7 @@ enum device_desc_param { UFS_DEVICE_DESC_PARAM_PRDCT_REV =3D 0x2A, UFS_DEVICE_DESC_PARAM_HPB_VER =3D 0x40, UFS_DEVICE_DESC_PARAM_HPB_CONTROL =3D 0x42, + UFS_DEVICE_DESC_PARAM_EXT_WB_SUP =3D 0x4D, UFS_DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP =3D 0x4F, UFS_DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN =3D 0x53, UFS_DEVICE_DESC_PARAM_WB_TYPE =3D 0x54, @@ -1208,14 +1261,14 @@ static inline void _ufs_check_size(void) QEMU_BUILD_BUG_ON(sizeof(UfsMcqCqIntReg) !=3D 12); QEMU_BUILD_BUG_ON(sizeof(UfsMcqOpReg) !=3D 48); QEMU_BUILD_BUG_ON(sizeof(DeviceDescriptor) !=3D 89); - QEMU_BUILD_BUG_ON(sizeof(GeometryDescriptor) !=3D 87); + QEMU_BUILD_BUG_ON(sizeof(GeometryDescriptor) !=3D 105); QEMU_BUILD_BUG_ON(sizeof(UnitDescriptor) !=3D 45); QEMU_BUILD_BUG_ON(sizeof(RpmbUnitDescriptor) !=3D 35); QEMU_BUILD_BUG_ON(sizeof(PowerParametersDescriptor) !=3D 98); QEMU_BUILD_BUG_ON(sizeof(InterconnectDescriptor) !=3D 6); QEMU_BUILD_BUG_ON(sizeof(StringDescriptor) !=3D 254); QEMU_BUILD_BUG_ON(sizeof(DeviceHealthDescriptor) !=3D 45); - QEMU_BUILD_BUG_ON(sizeof(Flags) !=3D 0x13); + QEMU_BUILD_BUG_ON(sizeof(Flags) !=3D 0xFF); QEMU_BUILD_BUG_ON(sizeof(UtpUpiuHeader) !=3D 12); QEMU_BUILD_BUG_ON(sizeof(UtpUpiuQuery) !=3D 276); QEMU_BUILD_BUG_ON(sizeof(UtpUpiuCmd) !=3D 20); --=20 2.48.1