From: Klaus Jensen <k.jen...@samsung.com> In preparation for moving the nvme device into its own subtree, merge the header files into one.
Also add missing copyright notice and add list of authors with substantial contributions. Signed-off-by: Klaus Jensen <k.jen...@samsung.com> Reviewed-by: Keith Busch <kbu...@kernel.org> --- hw/block/nvme-dif.h | 63 ------- hw/block/nvme-ns.h | 229 ------------------------ hw/block/nvme-subsys.h | 59 ------- hw/block/nvme.h | 383 +++++++++++++++++++++++++++++++++++++---- hw/block/nvme-dif.c | 1 - hw/block/nvme-ns.c | 1 - hw/block/nvme-subsys.c | 1 - hw/block/nvme.c | 2 - 8 files changed, 348 insertions(+), 391 deletions(-) delete mode 100644 hw/block/nvme-dif.h delete mode 100644 hw/block/nvme-ns.h delete mode 100644 hw/block/nvme-subsys.h diff --git a/hw/block/nvme-dif.h b/hw/block/nvme-dif.h deleted file mode 100644 index 524faffbd7a0..000000000000 --- a/hw/block/nvme-dif.h +++ /dev/null @@ -1,63 +0,0 @@ -/* - * QEMU NVM Express End-to-End Data Protection support - * - * Copyright (c) 2021 Samsung Electronics Co., Ltd. - * - * Authors: - * Klaus Jensen <k.jen...@samsung.com> - * Gollu Appalanaidu <anaidu.go...@samsung.com> - */ - -#ifndef HW_NVME_DIF_H -#define HW_NVME_DIF_H - -/* from Linux kernel (crypto/crct10dif_common.c) */ -static const uint16_t t10_dif_crc_table[256] = { - 0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B, - 0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6, - 0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6, - 0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B, - 0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1, - 0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C, - 0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C, - 0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781, - 0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8, - 0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255, - 0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925, - 0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698, - 0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472, - 0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF, - 0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF, - 0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02, - 0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA, - 0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067, - 0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17, - 0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA, - 0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640, - 0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD, - 0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D, - 0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30, - 0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759, - 0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4, - 0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394, - 0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29, - 0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3, - 0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E, - 0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E, - 0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3 -}; - -uint16_t nvme_check_prinfo(NvmeNamespace *ns, uint16_t ctrl, uint64_t slba, - uint32_t reftag); -uint16_t nvme_dif_mangle_mdata(NvmeNamespace *ns, uint8_t *mbuf, size_t mlen, - uint64_t slba); -void nvme_dif_pract_generate_dif(NvmeNamespace *ns, uint8_t *buf, size_t len, - uint8_t *mbuf, size_t mlen, uint16_t apptag, - uint32_t reftag); -uint16_t nvme_dif_check(NvmeNamespace *ns, uint8_t *buf, size_t len, - uint8_t *mbuf, size_t mlen, uint16_t ctrl, - uint64_t slba, uint16_t apptag, - uint16_t appmask, uint32_t reftag); -uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req); - -#endif /* HW_NVME_DIF_H */ diff --git a/hw/block/nvme-ns.h b/hw/block/nvme-ns.h deleted file mode 100644 index fb0a41f912e7..000000000000 --- a/hw/block/nvme-ns.h +++ /dev/null @@ -1,229 +0,0 @@ -/* - * QEMU NVM Express Virtual Namespace - * - * Copyright (c) 2019 CNEX Labs - * Copyright (c) 2020 Samsung Electronics - * - * Authors: - * Klaus Jensen <k.jen...@samsung.com> - * - * This work is licensed under the terms of the GNU GPL, version 2. See the - * COPYING file in the top-level directory. - * - */ - -#ifndef NVME_NS_H -#define NVME_NS_H - -#include "qemu/uuid.h" - -#define TYPE_NVME_NS "nvme-ns" -#define NVME_NS(obj) \ - OBJECT_CHECK(NvmeNamespace, (obj), TYPE_NVME_NS) - -typedef struct NvmeZone { - NvmeZoneDescr d; - uint64_t w_ptr; - QTAILQ_ENTRY(NvmeZone) entry; -} NvmeZone; - -typedef struct NvmeNamespaceParams { - bool detached; - bool shared; - uint32_t nsid; - QemuUUID uuid; - - uint16_t ms; - uint8_t mset; - uint8_t pi; - uint8_t pil; - - uint16_t mssrl; - uint32_t mcl; - uint8_t msrc; - - bool zoned; - bool cross_zone_read; - uint64_t zone_size_bs; - uint64_t zone_cap_bs; - uint32_t max_active_zones; - uint32_t max_open_zones; - uint32_t zd_extension_size; -} NvmeNamespaceParams; - -typedef struct NvmeNamespace { - DeviceState parent_obj; - BlockConf blkconf; - int32_t bootindex; - int64_t size; - int64_t mdata_offset; - NvmeIdNs id_ns; - const uint32_t *iocs; - uint8_t csi; - uint16_t status; - int attached; - - QTAILQ_ENTRY(NvmeNamespace) entry; - - NvmeIdNsZoned *id_ns_zoned; - NvmeZone *zone_array; - QTAILQ_HEAD(, NvmeZone) exp_open_zones; - QTAILQ_HEAD(, NvmeZone) imp_open_zones; - QTAILQ_HEAD(, NvmeZone) closed_zones; - QTAILQ_HEAD(, NvmeZone) full_zones; - uint32_t num_zones; - uint64_t zone_size; - uint64_t zone_capacity; - uint32_t zone_size_log2; - uint8_t *zd_extensions; - int32_t nr_open_zones; - int32_t nr_active_zones; - - NvmeNamespaceParams params; - - struct { - uint32_t err_rec; - } features; -} NvmeNamespace; - -static inline uint16_t nvme_ns_status(NvmeNamespace *ns) -{ - return ns->status; -} - -static inline uint32_t nvme_nsid(NvmeNamespace *ns) -{ - if (ns) { - return ns->params.nsid; - } - - return 0; -} - -static inline NvmeLBAF *nvme_ns_lbaf(NvmeNamespace *ns) -{ - NvmeIdNs *id_ns = &ns->id_ns; - return &id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)]; -} - -static inline uint8_t nvme_ns_lbads(NvmeNamespace *ns) -{ - return nvme_ns_lbaf(ns)->ds; -} - -/* convert an LBA to the equivalent in bytes */ -static inline size_t nvme_l2b(NvmeNamespace *ns, uint64_t lba) -{ - return lba << nvme_ns_lbads(ns); -} - -static inline size_t nvme_lsize(NvmeNamespace *ns) -{ - return 1 << nvme_ns_lbads(ns); -} - -static inline uint16_t nvme_msize(NvmeNamespace *ns) -{ - return nvme_ns_lbaf(ns)->ms; -} - -static inline size_t nvme_m2b(NvmeNamespace *ns, uint64_t lba) -{ - return nvme_msize(ns) * lba; -} - -static inline bool nvme_ns_ext(NvmeNamespace *ns) -{ - return !!NVME_ID_NS_FLBAS_EXTENDED(ns->id_ns.flbas); -} - -/* calculate the number of LBAs that the namespace can accomodate */ -static inline uint64_t nvme_ns_nlbas(NvmeNamespace *ns) -{ - if (nvme_msize(ns)) { - return ns->size / (nvme_lsize(ns) + nvme_msize(ns)); - } - return ns->size >> nvme_ns_lbads(ns); -} - -typedef struct NvmeCtrl NvmeCtrl; - -static inline NvmeZoneState nvme_get_zone_state(NvmeZone *zone) -{ - return zone->d.zs >> 4; -} - -static inline void nvme_set_zone_state(NvmeZone *zone, NvmeZoneState state) -{ - zone->d.zs = state << 4; -} - -static inline uint64_t nvme_zone_rd_boundary(NvmeNamespace *ns, NvmeZone *zone) -{ - return zone->d.zslba + ns->zone_size; -} - -static inline uint64_t nvme_zone_wr_boundary(NvmeZone *zone) -{ - return zone->d.zslba + zone->d.zcap; -} - -static inline bool nvme_wp_is_valid(NvmeZone *zone) -{ - uint8_t st = nvme_get_zone_state(zone); - - return st != NVME_ZONE_STATE_FULL && - st != NVME_ZONE_STATE_READ_ONLY && - st != NVME_ZONE_STATE_OFFLINE; -} - -static inline uint8_t *nvme_get_zd_extension(NvmeNamespace *ns, - uint32_t zone_idx) -{ - return &ns->zd_extensions[zone_idx * ns->params.zd_extension_size]; -} - -static inline void nvme_aor_inc_open(NvmeNamespace *ns) -{ - assert(ns->nr_open_zones >= 0); - if (ns->params.max_open_zones) { - ns->nr_open_zones++; - assert(ns->nr_open_zones <= ns->params.max_open_zones); - } -} - -static inline void nvme_aor_dec_open(NvmeNamespace *ns) -{ - if (ns->params.max_open_zones) { - assert(ns->nr_open_zones > 0); - ns->nr_open_zones--; - } - assert(ns->nr_open_zones >= 0); -} - -static inline void nvme_aor_inc_active(NvmeNamespace *ns) -{ - assert(ns->nr_active_zones >= 0); - if (ns->params.max_active_zones) { - ns->nr_active_zones++; - assert(ns->nr_active_zones <= ns->params.max_active_zones); - } -} - -static inline void nvme_aor_dec_active(NvmeNamespace *ns) -{ - if (ns->params.max_active_zones) { - assert(ns->nr_active_zones > 0); - ns->nr_active_zones--; - assert(ns->nr_active_zones >= ns->nr_open_zones); - } - assert(ns->nr_active_zones >= 0); -} - -void nvme_ns_init_format(NvmeNamespace *ns); -int nvme_ns_setup(NvmeCtrl *n, NvmeNamespace *ns, Error **errp); -void nvme_ns_drain(NvmeNamespace *ns); -void nvme_ns_shutdown(NvmeNamespace *ns); -void nvme_ns_cleanup(NvmeNamespace *ns); - -#endif /* NVME_NS_H */ diff --git a/hw/block/nvme-subsys.h b/hw/block/nvme-subsys.h deleted file mode 100644 index 7d7ef5f7f12b..000000000000 --- a/hw/block/nvme-subsys.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * QEMU NVM Express Subsystem: nvme-subsys - * - * Copyright (c) 2021 Minwoo Im <minwoo.im....@gmail.com> - * - * This code is licensed under the GNU GPL v2. Refer COPYING. - */ - -#ifndef NVME_SUBSYS_H -#define NVME_SUBSYS_H - -#define TYPE_NVME_SUBSYS "nvme-subsys" -#define NVME_SUBSYS(obj) \ - OBJECT_CHECK(NvmeSubsystem, (obj), TYPE_NVME_SUBSYS) - -#define NVME_SUBSYS_MAX_CTRLS 32 -#define NVME_MAX_NAMESPACES 256 - -typedef struct NvmeCtrl NvmeCtrl; -typedef struct NvmeNamespace NvmeNamespace; -typedef struct NvmeSubsystem { - DeviceState parent_obj; - uint8_t subnqn[256]; - - NvmeCtrl *ctrls[NVME_SUBSYS_MAX_CTRLS]; - /* Allocated namespaces for this subsystem */ - NvmeNamespace *namespaces[NVME_MAX_NAMESPACES + 1]; - - struct { - char *nqn; - } params; -} NvmeSubsystem; - -int nvme_subsys_register_ctrl(NvmeCtrl *n, Error **errp); - -static inline NvmeCtrl *nvme_subsys_ctrl(NvmeSubsystem *subsys, - uint32_t cntlid) -{ - if (!subsys || cntlid >= NVME_SUBSYS_MAX_CTRLS) { - return NULL; - } - - return subsys->ctrls[cntlid]; -} - -/* - * Return allocated namespace of the specified nsid in the subsystem. - */ -static inline NvmeNamespace *nvme_subsys_ns(NvmeSubsystem *subsys, - uint32_t nsid) -{ - if (!subsys || !nsid || nsid > NVME_MAX_NAMESPACES) { - return NULL; - } - - return subsys->namespaces[nsid]; -} - -#endif /* NVME_SUBSYS_H */ diff --git a/hw/block/nvme.h b/hw/block/nvme.h index 5d05ec368f7a..d9374d3e33e0 100644 --- a/hw/block/nvme.h +++ b/hw/block/nvme.h @@ -1,28 +1,281 @@ +/* + * QEMU NVM Express + * + * Copyright (c) 2012 Intel Corporation + * Copyright (c) 2021 Minwoo Im + * Copyright (c) 2021 Samsung Electronics Co., Ltd. + * + * Authors: + * Keith Busch <kbu...@kernel.org> + * Klaus Jensen <k.jen...@samsung.com> + * Gollu Appalanaidu <anaidu.go...@samsung.com> + * Dmitry Fomichev <dmitry.fomic...@wdc.com> + * Minwoo Im <minwoo.im....@gmail.com> + * + * This code is licensed under the GNU GPL v2 or later. + */ + #ifndef HW_NVME_H #define HW_NVME_H -#include "block/nvme.h" +#include "qemu/uuid.h" #include "hw/pci/pci.h" -#include "nvme-subsys.h" -#include "nvme-ns.h" +#include "hw/block/block.h" + +#include "block/nvme.h" #define NVME_DEFAULT_ZONE_SIZE (128 * MiB) #define NVME_DEFAULT_MAX_ZA_SIZE (128 * KiB) +#define NVME_MAX_CONTROLLERS 32 +#define NVME_MAX_NAMESPACES 256 -typedef struct NvmeParams { - char *serial; - uint32_t num_queues; /* deprecated since 5.1 */ - uint32_t max_ioqpairs; - uint16_t msix_qsize; - uint32_t cmb_size_mb; - uint8_t aerl; - uint32_t aer_max_queued; - uint8_t mdts; - uint8_t vsl; - bool use_intel_id; - uint8_t zasl; - bool legacy_cmb; -} NvmeParams; +typedef struct NvmeCtrl NvmeCtrl; +typedef struct NvmeNamespace NvmeNamespace; + +#define TYPE_NVME_SUBSYS "nvme-subsys" +#define NVME_SUBSYS(obj) \ + OBJECT_CHECK(NvmeSubsystem, (obj), TYPE_NVME_SUBSYS) + +typedef struct NvmeSubsystem { + DeviceState parent_obj; + uint8_t subnqn[256]; + + NvmeCtrl *ctrls[NVME_MAX_CONTROLLERS]; + NvmeNamespace *namespaces[NVME_MAX_NAMESPACES + 1]; + + struct { + char *nqn; + } params; +} NvmeSubsystem; + +int nvme_subsys_register_ctrl(NvmeCtrl *n, Error **errp); + +static inline NvmeCtrl *nvme_subsys_ctrl(NvmeSubsystem *subsys, + uint32_t cntlid) +{ + if (!subsys || cntlid >= NVME_MAX_CONTROLLERS) { + return NULL; + } + + return subsys->ctrls[cntlid]; +} + +static inline NvmeNamespace *nvme_subsys_ns(NvmeSubsystem *subsys, + uint32_t nsid) +{ + if (!subsys || !nsid || nsid > NVME_MAX_NAMESPACES) { + return NULL; + } + + return subsys->namespaces[nsid]; +} + +#define TYPE_NVME_NS "nvme-ns" +#define NVME_NS(obj) \ + OBJECT_CHECK(NvmeNamespace, (obj), TYPE_NVME_NS) + +typedef struct NvmeZone { + NvmeZoneDescr d; + uint64_t w_ptr; + QTAILQ_ENTRY(NvmeZone) entry; +} NvmeZone; + +typedef struct NvmeNamespaceParams { + bool detached; + bool shared; + uint32_t nsid; + QemuUUID uuid; + + uint16_t ms; + uint8_t mset; + uint8_t pi; + uint8_t pil; + + uint16_t mssrl; + uint32_t mcl; + uint8_t msrc; + + bool zoned; + bool cross_zone_read; + uint64_t zone_size_bs; + uint64_t zone_cap_bs; + uint32_t max_active_zones; + uint32_t max_open_zones; + uint32_t zd_extension_size; +} NvmeNamespaceParams; + +typedef struct NvmeNamespace { + DeviceState parent_obj; + BlockConf blkconf; + int32_t bootindex; + int64_t size; + int64_t mdata_offset; + NvmeIdNs id_ns; + const uint32_t *iocs; + uint8_t csi; + uint16_t status; + int attached; + + QTAILQ_ENTRY(NvmeNamespace) entry; + + NvmeIdNsZoned *id_ns_zoned; + NvmeZone *zone_array; + QTAILQ_HEAD(, NvmeZone) exp_open_zones; + QTAILQ_HEAD(, NvmeZone) imp_open_zones; + QTAILQ_HEAD(, NvmeZone) closed_zones; + QTAILQ_HEAD(, NvmeZone) full_zones; + uint32_t num_zones; + uint64_t zone_size; + uint64_t zone_capacity; + uint32_t zone_size_log2; + uint8_t *zd_extensions; + int32_t nr_open_zones; + int32_t nr_active_zones; + + NvmeNamespaceParams params; + + struct { + uint32_t err_rec; + } features; +} NvmeNamespace; + +static inline uint16_t nvme_ns_status(NvmeNamespace *ns) +{ + return ns->status; +} + +static inline uint32_t nvme_nsid(NvmeNamespace *ns) +{ + if (ns) { + return ns->params.nsid; + } + + return 0; +} + +static inline NvmeLBAF *nvme_ns_lbaf(NvmeNamespace *ns) +{ + NvmeIdNs *id_ns = &ns->id_ns; + return &id_ns->lbaf[NVME_ID_NS_FLBAS_INDEX(id_ns->flbas)]; +} + +static inline uint8_t nvme_ns_lbads(NvmeNamespace *ns) +{ + return nvme_ns_lbaf(ns)->ds; +} + +/* convert an LBA to the equivalent in bytes */ +static inline size_t nvme_l2b(NvmeNamespace *ns, uint64_t lba) +{ + return lba << nvme_ns_lbads(ns); +} + +static inline size_t nvme_lsize(NvmeNamespace *ns) +{ + return 1 << nvme_ns_lbads(ns); +} + +static inline uint16_t nvme_msize(NvmeNamespace *ns) +{ + return nvme_ns_lbaf(ns)->ms; +} + +static inline size_t nvme_m2b(NvmeNamespace *ns, uint64_t lba) +{ + return nvme_msize(ns) * lba; +} + +static inline bool nvme_ns_ext(NvmeNamespace *ns) +{ + return !!NVME_ID_NS_FLBAS_EXTENDED(ns->id_ns.flbas); +} + +/* calculate the number of LBAs that the namespace can accomodate */ +static inline uint64_t nvme_ns_nlbas(NvmeNamespace *ns) +{ + if (nvme_msize(ns)) { + return ns->size / (nvme_lsize(ns) + nvme_msize(ns)); + } + return ns->size >> nvme_ns_lbads(ns); +} + +static inline NvmeZoneState nvme_get_zone_state(NvmeZone *zone) +{ + return zone->d.zs >> 4; +} + +static inline void nvme_set_zone_state(NvmeZone *zone, NvmeZoneState state) +{ + zone->d.zs = state << 4; +} + +static inline uint64_t nvme_zone_rd_boundary(NvmeNamespace *ns, NvmeZone *zone) +{ + return zone->d.zslba + ns->zone_size; +} + +static inline uint64_t nvme_zone_wr_boundary(NvmeZone *zone) +{ + return zone->d.zslba + zone->d.zcap; +} + +static inline bool nvme_wp_is_valid(NvmeZone *zone) +{ + uint8_t st = nvme_get_zone_state(zone); + + return st != NVME_ZONE_STATE_FULL && + st != NVME_ZONE_STATE_READ_ONLY && + st != NVME_ZONE_STATE_OFFLINE; +} + +static inline uint8_t *nvme_get_zd_extension(NvmeNamespace *ns, + uint32_t zone_idx) +{ + return &ns->zd_extensions[zone_idx * ns->params.zd_extension_size]; +} + +static inline void nvme_aor_inc_open(NvmeNamespace *ns) +{ + assert(ns->nr_open_zones >= 0); + if (ns->params.max_open_zones) { + ns->nr_open_zones++; + assert(ns->nr_open_zones <= ns->params.max_open_zones); + } +} + +static inline void nvme_aor_dec_open(NvmeNamespace *ns) +{ + if (ns->params.max_open_zones) { + assert(ns->nr_open_zones > 0); + ns->nr_open_zones--; + } + assert(ns->nr_open_zones >= 0); +} + +static inline void nvme_aor_inc_active(NvmeNamespace *ns) +{ + assert(ns->nr_active_zones >= 0); + if (ns->params.max_active_zones) { + ns->nr_active_zones++; + assert(ns->nr_active_zones <= ns->params.max_active_zones); + } +} + +static inline void nvme_aor_dec_active(NvmeNamespace *ns) +{ + if (ns->params.max_active_zones) { + assert(ns->nr_active_zones > 0); + ns->nr_active_zones--; + assert(ns->nr_active_zones >= ns->nr_open_zones); + } + assert(ns->nr_active_zones >= 0); +} + +void nvme_ns_init_format(NvmeNamespace *ns); +int nvme_ns_setup(NvmeCtrl *n, NvmeNamespace *ns, Error **errp); +void nvme_ns_drain(NvmeNamespace *ns); +void nvme_ns_shutdown(NvmeNamespace *ns); +void nvme_ns_cleanup(NvmeNamespace *ns); typedef struct NvmeAsyncEvent { QTAILQ_ENTRY(NvmeAsyncEvent) entry; @@ -43,6 +296,11 @@ typedef struct NvmeSg { }; } NvmeSg; +typedef enum NvmeTxDirection { + NVME_TX_DIRECTION_TO_DEVICE = 0, + NVME_TX_DIRECTION_FROM_DEVICE = 1, +} NvmeTxDirection; + typedef struct NvmeRequest { struct NvmeSQueue *sq; struct NvmeNamespace *ns; @@ -143,13 +401,20 @@ typedef struct NvmeBus { #define NVME(obj) \ OBJECT_CHECK(NvmeCtrl, (obj), TYPE_NVME) -typedef struct NvmeFeatureVal { - struct { - uint16_t temp_thresh_hi; - uint16_t temp_thresh_low; - }; - uint32_t async_config; -} NvmeFeatureVal; +typedef struct NvmeParams { + char *serial; + uint32_t num_queues; /* deprecated since 5.1 */ + uint32_t max_ioqpairs; + uint16_t msix_qsize; + uint32_t cmb_size_mb; + uint8_t aerl; + uint32_t aer_max_queued; + uint8_t mdts; + uint8_t vsl; + bool use_intel_id; + uint8_t zasl; + bool legacy_cmb; +} NvmeParams; typedef struct NvmeCtrl { PCIDevice parent_obj; @@ -204,22 +469,25 @@ typedef struct NvmeCtrl { NvmeSubsystem *subsys; NvmeNamespace namespace; - /* - * Attached namespaces to this controller. If subsys is not given, all - * namespaces in this list will always be attached. - */ NvmeNamespace *namespaces[NVME_MAX_NAMESPACES]; NvmeSQueue **sq; NvmeCQueue **cq; NvmeSQueue admin_sq; NvmeCQueue admin_cq; NvmeIdCtrl id_ctrl; - NvmeFeatureVal features; + + struct { + struct { + uint16_t temp_thresh_hi; + uint16_t temp_thresh_low; + }; + uint32_t async_config; + } features; } NvmeCtrl; static inline NvmeNamespace *nvme_ns(NvmeCtrl *n, uint32_t nsid) { - if (!nsid || nsid > n->num_namespaces) { + if (!nsid || nsid > NVME_MAX_NAMESPACES) { return NULL; } @@ -249,11 +517,6 @@ static inline uint16_t nvme_cid(NvmeRequest *req) return le16_to_cpu(req->cqe.cid); } -typedef enum NvmeTxDirection { - NVME_TX_DIRECTION_TO_DEVICE = 0, - NVME_TX_DIRECTION_FROM_DEVICE = 1, -} NvmeTxDirection; - void nvme_attach_ns(NvmeCtrl *n, NvmeNamespace *ns); uint16_t nvme_bounce_data(NvmeCtrl *n, uint8_t *ptr, uint32_t len, NvmeTxDirection dir, NvmeRequest *req); @@ -263,4 +526,54 @@ void nvme_rw_complete_cb(void *opaque, int ret); uint16_t nvme_map_dptr(NvmeCtrl *n, NvmeSg *sg, size_t len, NvmeCmd *cmd); +/* from Linux kernel (crypto/crct10dif_common.c) */ +static const uint16_t t10_dif_crc_table[256] = { + 0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B, + 0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6, + 0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6, + 0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B, + 0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1, + 0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C, + 0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C, + 0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781, + 0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8, + 0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255, + 0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925, + 0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698, + 0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472, + 0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF, + 0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF, + 0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02, + 0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA, + 0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067, + 0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17, + 0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA, + 0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640, + 0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD, + 0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D, + 0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30, + 0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759, + 0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4, + 0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394, + 0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29, + 0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3, + 0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E, + 0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E, + 0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3 +}; + +uint16_t nvme_check_prinfo(NvmeNamespace *ns, uint16_t ctrl, uint64_t slba, + uint32_t reftag); +uint16_t nvme_dif_mangle_mdata(NvmeNamespace *ns, uint8_t *mbuf, size_t mlen, + uint64_t slba); +void nvme_dif_pract_generate_dif(NvmeNamespace *ns, uint8_t *buf, size_t len, + uint8_t *mbuf, size_t mlen, uint16_t apptag, + uint32_t reftag); +uint16_t nvme_dif_check(NvmeNamespace *ns, uint8_t *buf, size_t len, + uint8_t *mbuf, size_t mlen, uint16_t ctrl, + uint64_t slba, uint16_t apptag, + uint16_t appmask, uint32_t reftag); +uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req); + + #endif /* HW_NVME_H */ diff --git a/hw/block/nvme-dif.c b/hw/block/nvme-dif.c index 81b0a4cb1382..25e5a90854fa 100644 --- a/hw/block/nvme-dif.c +++ b/hw/block/nvme-dif.c @@ -15,7 +15,6 @@ #include "qapi/error.h" #include "trace.h" #include "nvme.h" -#include "nvme-dif.h" uint16_t nvme_check_prinfo(NvmeNamespace *ns, uint16_t ctrl, uint64_t slba, uint32_t reftag) diff --git a/hw/block/nvme-ns.c b/hw/block/nvme-ns.c index a0895614d9c3..4d7103e78ff8 100644 --- a/hw/block/nvme-ns.c +++ b/hw/block/nvme-ns.c @@ -28,7 +28,6 @@ #include "trace.h" #include "nvme.h" -#include "nvme-ns.h" #define MIN_DISCARD_GRANULARITY (4 * KiB) diff --git a/hw/block/nvme-subsys.c b/hw/block/nvme-subsys.c index 9604c19117de..3c404e3fcb78 100644 --- a/hw/block/nvme-subsys.c +++ b/hw/block/nvme-subsys.c @@ -19,7 +19,6 @@ #include "block/accounting.h" #include "hw/pci/pci.h" #include "nvme.h" -#include "nvme-subsys.h" int nvme_subsys_register_ctrl(NvmeCtrl *n, Error **errp) { diff --git a/hw/block/nvme.c b/hw/block/nvme.c index f0cfca869875..29f80d543903 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -162,8 +162,6 @@ #include "qemu/cutils.h" #include "trace.h" #include "nvme.h" -#include "nvme-ns.h" -#include "nvme-dif.h" #define NVME_MAX_IOQPAIRS 0xffff #define NVME_DB_SIZE 4 -- 2.31.1