@@ -3,6 +3,9 @@
#include "block/nvme.h"
+#define NVME_DEFAULT_ZONE_SIZE 128 /* MiB */
+#define NVME_DEFAULT_MAX_ZA_SIZE 128 /* KiB */
+
typedef struct NvmeParams {
char *serial;
uint32_t num_queues; /* deprecated since 5.1 */
@@ -12,6 +15,13 @@ typedef struct NvmeParams {
uint8_t aerl;
uint32_t aer_max_queued;
uint8_t mdts;
+
+ bool zoned;
+ bool cross_zone_read;
+ uint8_t fill_pattern;
+ uint32_t zasl_kb;
+ uint64_t zone_size_mb;
+ uint64_t zone_capacity_mb;
} NvmeParams;
typedef struct NvmeAsyncEvent {
@@ -24,6 +34,7 @@ typedef struct NvmeRequest {
struct NvmeNamespace *ns;
BlockAIOCB *aiocb;
uint16_t status;
+ int64_t fill_ofs;
NvmeCqe cqe;
NvmeCmd cmd;
BlockAcctCookie acct;
@@ -62,12 +73,36 @@ typedef struct NvmeCQueue {
QTAILQ_HEAD(, NvmeRequest) req_list;
} NvmeCQueue;
+typedef struct NvmeZone {
+ NvmeZoneDescr d;
+ uint64_t tstamp;
+ uint32_t next;
+ uint32_t prev;
+ uint8_t rsvd80[8];
+} NvmeZone;
+
+#define NVME_ZONE_LIST_NIL UINT_MAX
+
+typedef struct NvmeZoneList {
+ uint32_t head;
+ uint32_t tail;
+ uint32_t size;
+ uint8_t rsvd12[4];
+} NvmeZoneList;
+
typedef struct NvmeNamespace {
NvmeIdNs id_ns;
uint32_t nsid;
uint8_t csi;
bool attached;
QemuUUID uuid;
+
+ NvmeIdNsZoned *id_ns_zoned;
+ NvmeZone *zone_array;
+ NvmeZoneList *exp_open_zones;
+ NvmeZoneList *imp_open_zones;
+ NvmeZoneList *closed_zones;
+ NvmeZoneList *full_zones;
} NvmeNamespace;
static inline NvmeLBAF *nvme_ns_lbaf(NvmeNamespace *ns)
@@ -126,6 +161,15 @@ typedef struct NvmeCtrl {
QTAILQ_HEAD(, NvmeAsyncEvent) aer_queue;
int aer_queued;
+ int zone_file_fd;
+ uint32_t num_zones;
+ uint64_t zone_size;
+ uint64_t zone_capacity;
+ uint64_t zone_array_size;
+ uint32_t zone_size_log2;
+ uint32_t zasl_bs;
+ uint8_t zasl;
+
NvmeNamespace *namespaces;
NvmeSQueue **sq;
NvmeCQueue **cq;
@@ -141,6 +185,86 @@ static inline uint64_t nvme_ns_nlbas(NvmeCtrl *n, NvmeNamespace *ns)
return n->ns_size >> nvme_ns_lbads(ns);
}
+static inline uint8_t nvme_get_zone_state(NvmeZone *zone)
+{
+ return zone->d.zs >> 4;
+}
+
+static inline void nvme_set_zone_state(NvmeZone *zone, enum NvmeZoneState state)
+{
+ zone->d.zs = state << 4;
+}
+
+static inline uint64_t nvme_zone_rd_boundary(NvmeCtrl *n, NvmeZone *zone)
+{
+ return zone->d.zslba + n->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;
+}
+
+/*
+ * Initialize a zone list head.
+ */
+static inline void nvme_init_zone_list(NvmeZoneList *zl)
+{
+ zl->head = NVME_ZONE_LIST_NIL;
+ zl->tail = NVME_ZONE_LIST_NIL;
+ zl->size = 0;
+}
+
+/*
+ * Initialize the number of entries contained in a zone list.
+ */
+static inline uint32_t nvme_zone_list_size(NvmeZoneList *zl)
+{
+ return zl->size;
+}
+
+/*
+ * Check if the zone is not currently included into any zone list.
+ */
+static inline bool nvme_zone_not_in_list(NvmeZone *zone)
+{
+ return (bool)(zone->prev == 0 && zone->next == 0);
+}
+
+/*
+ * Return the zone at the head of zone list or NULL if the list is empty.
+ */
+static inline NvmeZone *nvme_peek_zone_head(NvmeNamespace *ns, NvmeZoneList *zl)
+{
+ if (zl->head == NVME_ZONE_LIST_NIL) {
+ return NULL;
+ }
+ return &ns->zone_array[zl->head];
+}
+
+/*
+ * Return the next zone in the list.
+ */
+static inline NvmeZone *nvme_next_zone_in_list(NvmeNamespace *ns, NvmeZone *z,
+ NvmeZoneList *zl)
+{
+ assert(!nvme_zone_not_in_list(z));
+
+ if (z->next == NVME_ZONE_LIST_NIL) {
+ return NULL;
+ }
+ return &ns->zone_array[z->next];
+}
+
static inline int nvme_ilog2(uint64_t i)
{
int log = -1;
@@ -488,6 +488,9 @@ enum NvmeIoCommands {
NVME_CMD_COMPARE = 0x05,
NVME_CMD_WRITE_ZEROES = 0x08,
NVME_CMD_DSM = 0x09,
+ NVME_CMD_ZONE_MGMT_SEND = 0x79,
+ NVME_CMD_ZONE_MGMT_RECV = 0x7a,
+ NVME_CMD_ZONE_APND = 0x7d,
};
typedef struct QEMU_PACKED NvmeDeleteQ {
@@ -679,6 +682,7 @@ enum NvmeStatusCodes {
NVME_SGL_DESCR_TYPE_INVALID = 0x0011,
NVME_INVALID_USE_OF_CMB = 0x0012,
NVME_CMD_SET_CMB_REJECTED = 0x002b,
+ NVME_INVALID_CMD_SET = 0x002c,
NVME_LBA_RANGE = 0x0080,
NVME_CAP_EXCEEDED = 0x0081,
NVME_NS_NOT_READY = 0x0082,
@@ -703,6 +707,14 @@ enum NvmeStatusCodes {
NVME_CONFLICTING_ATTRS = 0x0180,
NVME_INVALID_PROT_INFO = 0x0181,
NVME_WRITE_TO_RO = 0x0182,
+ NVME_ZONE_BOUNDARY_ERROR = 0x01b8,
+ NVME_ZONE_FULL = 0x01b9,
+ NVME_ZONE_READ_ONLY = 0x01ba,
+ NVME_ZONE_OFFLINE = 0x01bb,
+ NVME_ZONE_INVALID_WRITE = 0x01bc,
+ NVME_ZONE_TOO_MANY_ACTIVE = 0x01bd,
+ NVME_ZONE_TOO_MANY_OPEN = 0x01be,
+ NVME_ZONE_INVAL_TRANSITION = 0x01bf,
NVME_WRITE_FAULT = 0x0280,
NVME_UNRECOVERED_READ = 0x0281,
NVME_E2E_GUARD_ERROR = 0x0282,
@@ -887,6 +899,11 @@ typedef struct QEMU_PACKED NvmeIdCtrl {
uint8_t vs[1024];
} NvmeIdCtrl;
+typedef struct NvmeIdCtrlZoned {
+ uint8_t zasl;
+ uint8_t rsvd1[4095];
+} NvmeIdCtrlZoned;
+
enum NvmeIdCtrlOacs {
NVME_OACS_SECURITY = 1 << 0,
NVME_OACS_FORMAT = 1 << 1,
@@ -1011,6 +1028,12 @@ typedef struct QEMU_PACKED NvmeLBAF {
uint8_t rp;
} NvmeLBAF;
+typedef struct QEMU_PACKED NvmeLBAFE {
+ uint64_t zsze;
+ uint8_t zdes;
+ uint8_t rsvd9[7];
+} NvmeLBAFE;
+
#define NVME_NSID_BROADCAST 0xffffffff
typedef struct QEMU_PACKED NvmeIdNs {
@@ -1065,10 +1088,24 @@ enum NvmeNsIdentifierType {
enum NvmeCsi {
NVME_CSI_NVM = 0x00,
+ NVME_CSI_ZONED = 0x02,
};
#define NVME_SET_CSI(vec, csi) (vec |= (uint8_t)(1 << (csi)))
+typedef struct QEMU_PACKED NvmeIdNsZoned {
+ uint16_t zoc;
+ uint16_t ozcs;
+ uint32_t mar;
+ uint32_t mor;
+ uint32_t rrl;
+ uint32_t frl;
+ uint8_t rsvd20[2796];
+ NvmeLBAFE lbafe[16];
+ uint8_t rsvd3072[768];
+ uint8_t vs[256];
+} NvmeIdNsZoned;
+
/*Deallocate Logical Block Features*/
#define NVME_ID_NS_DLFEAT_GUARD_CRC(dlfeat) ((dlfeat) & 0x10)
#define NVME_ID_NS_DLFEAT_WRITE_ZEROES(dlfeat) ((dlfeat) & 0x08)
@@ -1100,6 +1137,71 @@ enum NvmeIdNsDps {
DPS_FIRST_EIGHT = 8,
};
+enum NvmeZoneAttr {
+ NVME_ZA_FINISHED_BY_CTLR = 1 << 0,
+ NVME_ZA_FINISH_RECOMMENDED = 1 << 1,
+ NVME_ZA_RESET_RECOMMENDED = 1 << 2,
+ NVME_ZA_ZD_EXT_VALID = 1 << 7,
+};
+
+typedef struct QEMU_PACKED NvmeZoneReportHeader {
+ uint64_t nr_zones;
+ uint8_t rsvd[56];
+} NvmeZoneReportHeader;
+
+enum NvmeZoneReceiveAction {
+ NVME_ZONE_REPORT = 0,
+ NVME_ZONE_REPORT_EXTENDED = 1,
+};
+
+enum NvmeZoneReportType {
+ NVME_ZONE_REPORT_ALL = 0,
+ NVME_ZONE_REPORT_EMPTY = 1,
+ NVME_ZONE_REPORT_IMPLICITLY_OPEN = 2,
+ NVME_ZONE_REPORT_EXPLICITLY_OPEN = 3,
+ NVME_ZONE_REPORT_CLOSED = 4,
+ NVME_ZONE_REPORT_FULL = 5,
+ NVME_ZONE_REPORT_READ_ONLY = 6,
+ NVME_ZONE_REPORT_OFFLINE = 7,
+};
+
+enum NvmeZoneType {
+ NVME_ZONE_TYPE_RESERVED = 0x00,
+ NVME_ZONE_TYPE_SEQ_WRITE = 0x02,
+};
+
+enum NvmeZoneSendAction {
+ NVME_ZONE_ACTION_RSD = 0x00,
+ NVME_ZONE_ACTION_CLOSE = 0x01,
+ NVME_ZONE_ACTION_FINISH = 0x02,
+ NVME_ZONE_ACTION_OPEN = 0x03,
+ NVME_ZONE_ACTION_RESET = 0x04,
+ NVME_ZONE_ACTION_OFFLINE = 0x05,
+ NVME_ZONE_ACTION_SET_ZD_EXT = 0x10,
+};
+
+typedef struct QEMU_PACKED NvmeZoneDescr {
+ uint8_t zt;
+ uint8_t zs;
+ uint8_t za;
+ uint8_t rsvd3[5];
+ uint64_t zcap;
+ uint64_t zslba;
+ uint64_t wp;
+ uint8_t rsvd32[32];
+} NvmeZoneDescr;
+
+enum NvmeZoneState {
+ NVME_ZONE_STATE_RESERVED = 0x00,
+ NVME_ZONE_STATE_EMPTY = 0x01,
+ NVME_ZONE_STATE_IMPLICITLY_OPEN = 0x02,
+ NVME_ZONE_STATE_EXPLICITLY_OPEN = 0x03,
+ NVME_ZONE_STATE_CLOSED = 0x04,
+ NVME_ZONE_STATE_READ_ONLY = 0x0D,
+ NVME_ZONE_STATE_FULL = 0x0E,
+ NVME_ZONE_STATE_OFFLINE = 0x0F,
+};
+
static inline void _nvme_check_size(void)
{
QEMU_BUILD_BUG_ON(sizeof(NvmeBar) != 4096);
@@ -1119,9 +1221,14 @@ static inline void _nvme_check_size(void)
QEMU_BUILD_BUG_ON(sizeof(NvmeSmartLog) != 512);
QEMU_BUILD_BUG_ON(sizeof(NvmeEffectsLog) != 4096);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrl) != 4096);
+ QEMU_BUILD_BUG_ON(sizeof(NvmeIdCtrlZoned) != 4096);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsDescr) != 4);
+ QEMU_BUILD_BUG_ON(sizeof(NvmeLBAF) != 4);
+ QEMU_BUILD_BUG_ON(sizeof(NvmeLBAFE) != 16);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096);
+ QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsZoned) != 4096);
QEMU_BUILD_BUG_ON(sizeof(NvmeSglDescriptor) != 16);
QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsDescr) != 4);
+ QEMU_BUILD_BUG_ON(sizeof(NvmeZoneDescr) != 64);
}
#endif