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nvme: Make ZNS-related definitions

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Define values and structures that are needed to support Zoned
Namespace Command Set (NVMe TP 4053).

Signed-off-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
This commit is contained in:
Dmitry Fomichev 2020-12-09 05:04:05 +09:00 committed by Klaus Jensen
parent 922e6f4ebd
commit e9ba46eeaf
1 changed files with 113 additions and 1 deletions
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114
include/block/nvme.h
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@ -489,6 +489,9 @@ 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_APPEND = 0x7d,
};
typedef struct QEMU_PACKED NvmeDeleteQ {
@ -654,9 +657,13 @@ typedef struct QEMU_PACKED NvmeAerResult {
uint8_t resv;
} NvmeAerResult;
typedef struct QEMU_PACKED NvmeZonedResult {
uint64_t slba;
} NvmeZonedResult;
typedef struct QEMU_PACKED NvmeCqe {
uint32_t result;
uint32_t rsvd;
uint32_t dw1;
uint16_t sq_head;
uint16_t sq_id;
uint16_t cid;
@ -685,6 +692,7 @@ enum NvmeStatusCodes {
NVME_INVALID_USE_OF_CMB = 0x0012,
NVME_INVALID_PRP_OFFSET = 0x0013,
NVME_CMD_SET_CMB_REJECTED = 0x002b,
NVME_INVALID_CMD_SET = 0x002c,
NVME_LBA_RANGE = 0x0080,
NVME_CAP_EXCEEDED = 0x0081,
NVME_NS_NOT_READY = 0x0082,
@ -709,6 +717,14 @@ 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,
@ -894,6 +910,11 @@ 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,
@ -1022,6 +1043,12 @@ 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 {
@ -1081,10 +1108,24 @@ 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)
@ -1117,10 +1158,76 @@ 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);
QEMU_BUILD_BUG_ON(sizeof(NvmeAerResult) != 4);
QEMU_BUILD_BUG_ON(sizeof(NvmeZonedResult) != 8);
QEMU_BUILD_BUG_ON(sizeof(NvmeCqe) != 16);
QEMU_BUILD_BUG_ON(sizeof(NvmeDsmRange) != 16);
QEMU_BUILD_BUG_ON(sizeof(NvmeCmd) != 64);
@ -1136,8 +1243,13 @@ 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(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