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-rw-r--r--hw/block/nvme-dif.c1
-rw-r--r--hw/block/nvme-dif.h63
-rw-r--r--hw/block/nvme-ns.c1
-rw-r--r--hw/block/nvme-ns.h229
-rw-r--r--hw/block/nvme-subsys.c1
-rw-r--r--hw/block/nvme-subsys.h59
-rw-r--r--hw/block/nvme.c2
-rw-r--r--hw/block/nvme.h383
8 files changed, 348 insertions, 391 deletions
diff --git a/hw/block/nvme-dif.c b/hw/block/nvme-dif.c
index 81b0a4c..25e5a90 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-dif.h b/hw/block/nvme-dif.h
deleted file mode 100644
index 524faff..0000000
--- 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.jensen@samsung.com>
- * Gollu Appalanaidu <anaidu.gollu@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.c b/hw/block/nvme-ns.c
index a089561..4d7103e 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-ns.h b/hw/block/nvme-ns.h
deleted file mode 100644
index fb0a41f..0000000
--- 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.jensen@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.c b/hw/block/nvme-subsys.c
index 9604c19..3c404e3 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-subsys.h b/hw/block/nvme-subsys.h
deleted file mode 100644
index 7d7ef5f..0000000
--- 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.dev@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.c b/hw/block/nvme.c
index f0cfca8..29f80d5 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
diff --git a/hw/block/nvme.h b/hw/block/nvme.h
index 5d05ec3..d9374d3 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 <kbusch@kernel.org>
+ * Klaus Jensen <k.jensen@samsung.com>
+ * Gollu Appalanaidu <anaidu.gollu@samsung.com>
+ * Dmitry Fomichev <dmitry.fomichev@wdc.com>
+ * Minwoo Im <minwoo.im.dev@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 */
generated by cgit v1.1 at 2025-01-14 16:45:33 +0000