Message ID | 20200629182642.1170387-7-its@irrelevant.dk |
---|---|
State | New |
Headers | show |
Series | hw/block/nvme: bump to v1.3 | expand |
On Mon, 2020-06-29 at 20:26 +0200, Klaus Jensen wrote: > From: Klaus Jensen <k.jensen@samsung.com> > > Add support for the Get Log Page command and basic implementations of > the mandatory Error Information, SMART / Health Information and Firmware > Slot Information log pages. > > In violation of the specification, the SMART / Health Information log > page does not persist information over the lifetime of the controller > because the device has no place to store such persistent state. > > Note that the LPA field in the Identify Controller data structure > intentionally has bit 0 cleared because there is no namespace specific > information in the SMART / Health information log page. > > Required for compliance with NVMe revision 1.3d. See NVM Express 1.3d, > Section 5.14 ("Get Log Page command"). > > Signed-off-by: Klaus Jensen <klaus.jensen@cnexlabs.com> > Signed-off-by: Klaus Jensen <k.jensen@samsung.com> > Acked-by: Keith Busch <kbusch@kernel.org> > --- > hw/block/nvme.c | 141 +++++++++++++++++++++++++++++++++++++++++- > hw/block/nvme.h | 2 + > hw/block/trace-events | 2 + > include/block/nvme.h | 4 ++ > 4 files changed, 148 insertions(+), 1 deletion(-) > > diff --git a/hw/block/nvme.c b/hw/block/nvme.c > index f8e91a6965ed..fe5d052ab159 100644 > --- a/hw/block/nvme.c > +++ b/hw/block/nvme.c > @@ -592,6 +592,141 @@ static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeCmd *cmd) > return NVME_SUCCESS; > } > > +static uint16_t nvme_smart_info(NvmeCtrl *n, NvmeCmd *cmd, uint32_t buf_len, > + uint64_t off, NvmeRequest *req) > +{ > + uint64_t prp1 = le64_to_cpu(cmd->dptr.prp1); > + uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2); > + uint32_t nsid = le32_to_cpu(cmd->nsid); > + > + uint32_t trans_len; > + time_t current_ms; > + uint64_t units_read = 0, units_written = 0; > + uint64_t read_commands = 0, write_commands = 0; > + NvmeSmartLog smart; > + BlockAcctStats *s; > + > + if (nsid && nsid != 0xffffffff) { > + return NVME_INVALID_FIELD | NVME_DNR; > + } > + > + s = blk_get_stats(n->conf.blk); > + > + units_read = s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; > + units_written = s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; > + read_commands = s->nr_ops[BLOCK_ACCT_READ]; > + write_commands = s->nr_ops[BLOCK_ACCT_WRITE]; > + > + if (off > sizeof(smart)) { > + return NVME_INVALID_FIELD | NVME_DNR; > + } > + > + trans_len = MIN(sizeof(smart) - off, buf_len); > + > + memset(&smart, 0x0, sizeof(smart)); > + > + smart.data_units_read[0] = cpu_to_le64(units_read / 1000); > + smart.data_units_written[0] = cpu_to_le64(units_written / 1000); > + smart.host_read_commands[0] = cpu_to_le64(read_commands); > + smart.host_write_commands[0] = cpu_to_le64(write_commands); > + > + smart.temperature[0] = n->temperature & 0xff; > + smart.temperature[1] = (n->temperature >> 8) & 0xff; Why not change temperature[2] in NvmeSmartLog to uint16_t and use cpu_to_le16() here? > + if ((n->temperature >= n->features.temp_thresh_hi) || > + (n->temperature <= n->features.temp_thresh_low)) { > + smart.critical_warning |= NVME_SMART_TEMPERATURE; > + } > + > + current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); > + smart.power_on_hours[0] = > + cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); > + > + return nvme_dma_read_prp(n, (uint8_t *) &smart + off, trans_len, prp1, > + prp2); > +} > + > +static uint16_t nvme_fw_log_info(NvmeCtrl *n, NvmeCmd *cmd, uint32_t buf_len, > + uint64_t off, NvmeRequest *req) > +{ > + uint32_t trans_len; > + uint64_t prp1 = le64_to_cpu(cmd->dptr.prp1); > + uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2); > + NvmeFwSlotInfoLog fw_log = { > + .afi = 0x1, > + }; > + > + strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); > + > + if (off > sizeof(fw_log)) { > + return NVME_INVALID_FIELD | NVME_DNR; > + } > + > + trans_len = MIN(sizeof(fw_log) - off, buf_len); > + > + return nvme_dma_read_prp(n, (uint8_t *) &fw_log + off, trans_len, prp1, > + prp2); > +} > + > +static uint16_t nvme_error_info(NvmeCtrl *n, NvmeCmd *cmd, uint32_t buf_len, > + uint64_t off, NvmeRequest *req) > +{ > + uint32_t trans_len; > + uint64_t prp1 = le64_to_cpu(cmd->dptr.prp1); > + uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2); > + NvmeErrorLog errlog; > + > + if (off > sizeof(errlog)) { > + return NVME_INVALID_FIELD | NVME_DNR; > + } > + > + memset(&errlog, 0x0, sizeof(errlog)); > + > + trans_len = MIN(sizeof(errlog) - off, buf_len); > + > + return nvme_dma_read_prp(n, (uint8_t *)&errlog, trans_len, prp1, prp2); > +} > + > +static uint16_t nvme_get_log(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) > +{ > + uint32_t dw10 = le32_to_cpu(cmd->cdw10); > + uint32_t dw11 = le32_to_cpu(cmd->cdw11); > + uint32_t dw12 = le32_to_cpu(cmd->cdw12); > + uint32_t dw13 = le32_to_cpu(cmd->cdw13); > + uint8_t lid = dw10 & 0xff; > + uint8_t lsp = (dw10 >> 8) & 0xf; > + uint8_t rae = (dw10 >> 15) & 0x1; > + uint32_t numdl, numdu; > + uint64_t off, lpol, lpou; > + size_t len; > + > + numdl = (dw10 >> 16); > + numdu = (dw11 & 0xffff); > + lpol = dw12; > + lpou = dw13; > + > + len = (((numdu << 16) | numdl) + 1) << 2; > + off = (lpou << 32ULL) | lpol; > + > + if (off & 0x3) { > + return NVME_INVALID_FIELD | NVME_DNR; > + } > + > + trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); > + > + switch (lid) { > + case NVME_LOG_ERROR_INFO: > + return nvme_error_info(n, cmd, len, off, req); > + case NVME_LOG_SMART_INFO: > + return nvme_smart_info(n, cmd, len, off, req); > + case NVME_LOG_FW_SLOT_INFO: > + return nvme_fw_log_info(n, cmd, len, off, req); > + default: > + trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); > + return NVME_INVALID_FIELD | NVME_DNR; > + } > +} > + > static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) > { > n->cq[cq->cqid] = NULL; > @@ -946,6 +1081,8 @@ static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) > return nvme_del_sq(n, cmd); > case NVME_ADM_CMD_CREATE_SQ: > return nvme_create_sq(n, cmd); > + case NVME_ADM_CMD_GET_LOG_PAGE: > + return nvme_get_log(n, cmd, req); > case NVME_ADM_CMD_DELETE_CQ: > return nvme_del_cq(n, cmd); > case NVME_ADM_CMD_CREATE_CQ: > @@ -1497,7 +1634,9 @@ static void nvme_init_state(NvmeCtrl *n) > n->namespaces = g_new0(NvmeNamespace, n->num_namespaces); > n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); > n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); > + n->temperature = NVME_TEMPERATURE; > n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; > + n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); > } > > static void nvme_init_blk(NvmeCtrl *n, Error **errp) > @@ -1654,7 +1793,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) > */ > id->acl = 3; > id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; > - id->lpa = 1 << 0; > + id->lpa = NVME_LPA_EXTENDED; > > /* recommended default value (~70 C) */ > id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); > diff --git a/hw/block/nvme.h b/hw/block/nvme.h > index 3acde10e1d2a..3ddbc3722d7c 100644 > --- a/hw/block/nvme.h > +++ b/hw/block/nvme.h > @@ -98,6 +98,8 @@ typedef struct NvmeCtrl { > uint32_t irq_status; > uint64_t host_timestamp; /* Timestamp sent by the host */ > uint64_t timestamp_set_qemu_clock_ms; /* QEMU clock time */ > + uint64_t starttime_ms; > + uint16_t temperature; > > HostMemoryBackend *pmrdev; > > diff --git a/hw/block/trace-events b/hw/block/trace-events > index c40c0d2e4b28..3330d74e48db 100644 > --- a/hw/block/trace-events > +++ b/hw/block/trace-events > @@ -45,6 +45,7 @@ pci_nvme_del_cq(uint16_t cqid) "deleted completion queue, cqid=%"PRIu16"" > pci_nvme_identify_ctrl(void) "identify controller" > pci_nvme_identify_ns(uint32_t ns) "nsid %"PRIu32"" > pci_nvme_identify_nslist(uint32_t ns) "nsid %"PRIu32"" > +pci_nvme_get_log(uint16_t cid, uint8_t lid, uint8_t lsp, uint8_t rae, uint32_t len, uint64_t off) "cid %"PRIu16" lid 0x%"PRIx8" lsp 0x%"PRIx8" rae 0x%"PRIx8" len %"PRIu32" off %"PRIu64"" > pci_nvme_getfeat_vwcache(const char* result) "get feature volatile write cache, result=%s" > pci_nvme_getfeat_numq(int result) "get feature number of queues, result=%d" > pci_nvme_setfeat_numq(int reqcq, int reqsq, int gotcq, int gotsq) "requested cq_count=%d sq_count=%d, responding with cq_count=%d sq_count=%d" > @@ -94,6 +95,7 @@ pci_nvme_err_invalid_create_cq_qflags(uint16_t qflags) "failed creating completi > pci_nvme_err_invalid_identify_cns(uint16_t cns) "identify, invalid cns=0x%"PRIx16"" > pci_nvme_err_invalid_getfeat(int dw10) "invalid get features, dw10=0x%"PRIx32"" > pci_nvme_err_invalid_setfeat(uint32_t dw10) "invalid set features, dw10=0x%"PRIx32"" > +pci_nvme_err_invalid_log_page(uint16_t cid, uint16_t lid) "cid %"PRIu16" lid 0x%"PRIx16"" > pci_nvme_err_startfail_cq(void) "nvme_start_ctrl failed because there are non-admin completion queues" > pci_nvme_err_startfail_sq(void) "nvme_start_ctrl failed because there are non-admin submission queues" > pci_nvme_err_startfail_nbarasq(void) "nvme_start_ctrl failed because the admin submission queue address is null" > diff --git a/include/block/nvme.h b/include/block/nvme.h > index 003b15af9cd9..1339f0491d27 100644 > --- a/include/block/nvme.h > +++ b/include/block/nvme.h > @@ -846,6 +846,10 @@ enum NvmeIdCtrlFrmw { > NVME_FRMW_SLOT1_RO = 1 << 0, > }; > > +enum NvmeIdCtrlLpa { > + NVME_LPA_EXTENDED = 1 << 2, > +}; > + > #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf) > #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf) > #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
On Jul 3 00:45, Dmitry Fomichev wrote: > On Mon, 2020-06-29 at 20:26 +0200, Klaus Jensen wrote: > > From: Klaus Jensen <k.jensen@samsung.com> > > > > Add support for the Get Log Page command and basic implementations of > > the mandatory Error Information, SMART / Health Information and Firmware > > Slot Information log pages. > > > > In violation of the specification, the SMART / Health Information log > > page does not persist information over the lifetime of the controller > > because the device has no place to store such persistent state. > > > > Note that the LPA field in the Identify Controller data structure > > intentionally has bit 0 cleared because there is no namespace specific > > information in the SMART / Health information log page. > > > > Required for compliance with NVMe revision 1.3d. See NVM Express 1.3d, > > Section 5.14 ("Get Log Page command"). > > > > Signed-off-by: Klaus Jensen <klaus.jensen@cnexlabs.com> > > Signed-off-by: Klaus Jensen <k.jensen@samsung.com> > > Acked-by: Keith Busch <kbusch@kernel.org> > > --- > > hw/block/nvme.c | 141 +++++++++++++++++++++++++++++++++++++++++- > > hw/block/nvme.h | 2 + > > hw/block/trace-events | 2 + > > include/block/nvme.h | 4 ++ > > 4 files changed, 148 insertions(+), 1 deletion(-) > > > > diff --git a/hw/block/nvme.c b/hw/block/nvme.c > > index f8e91a6965ed..fe5d052ab159 100644 > > --- a/hw/block/nvme.c > > +++ b/hw/block/nvme.c > > @@ -592,6 +592,141 @@ static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeCmd *cmd) > > return NVME_SUCCESS; > > } > > > > +static uint16_t nvme_smart_info(NvmeCtrl *n, NvmeCmd *cmd, uint32_t buf_len, > > + uint64_t off, NvmeRequest *req) > > +{ > > + uint64_t prp1 = le64_to_cpu(cmd->dptr.prp1); > > + uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2); > > + uint32_t nsid = le32_to_cpu(cmd->nsid); > > + > > + uint32_t trans_len; > > + time_t current_ms; > > + uint64_t units_read = 0, units_written = 0; > > + uint64_t read_commands = 0, write_commands = 0; > > + NvmeSmartLog smart; > > + BlockAcctStats *s; > > + > > + if (nsid && nsid != 0xffffffff) { > > + return NVME_INVALID_FIELD | NVME_DNR; > > + } > > + > > + s = blk_get_stats(n->conf.blk); > > + > > + units_read = s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; > > + units_written = s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; > > + read_commands = s->nr_ops[BLOCK_ACCT_READ]; > > + write_commands = s->nr_ops[BLOCK_ACCT_WRITE]; > > + > > + if (off > sizeof(smart)) { > > + return NVME_INVALID_FIELD | NVME_DNR; > > + } > > + > > + trans_len = MIN(sizeof(smart) - off, buf_len); > > + > > + memset(&smart, 0x0, sizeof(smart)); > > + > > + smart.data_units_read[0] = cpu_to_le64(units_read / 1000); > > + smart.data_units_written[0] = cpu_to_le64(units_written / 1000); > > + smart.host_read_commands[0] = cpu_to_le64(read_commands); > > + smart.host_write_commands[0] = cpu_to_le64(write_commands); > > + > > + smart.temperature[0] = n->temperature & 0xff; > > + smart.temperature[1] = (n->temperature >> 8) & 0xff; > > Why not change temperature[2] in NvmeSmartLog to uint16_t and use cpu_to_le16() here? > It's because of the wierd alignment. But you are right and I changed it to uint16_t and added the QEMU_PACKED attribute to the struct. It should be there anyway. > > + if ((n->temperature >= n->features.temp_thresh_hi) || > > + (n->temperature <= n->features.temp_thresh_low)) { > > + smart.critical_warning |= NVME_SMART_TEMPERATURE; > > + } > > + > > + current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); > > + smart.power_on_hours[0] = > > + cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); > > + > > + return nvme_dma_read_prp(n, (uint8_t *) &smart + off, trans_len, prp1, > > + prp2); > > +} > > + > > +static uint16_t nvme_fw_log_info(NvmeCtrl *n, NvmeCmd *cmd, uint32_t buf_len, > > + uint64_t off, NvmeRequest *req) > > +{ > > + uint32_t trans_len; > > + uint64_t prp1 = le64_to_cpu(cmd->dptr.prp1); > > + uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2); > > + NvmeFwSlotInfoLog fw_log = { > > + .afi = 0x1, > > + }; > > + > > + strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); > > + > > + if (off > sizeof(fw_log)) { > > + return NVME_INVALID_FIELD | NVME_DNR; > > + } > > + > > + trans_len = MIN(sizeof(fw_log) - off, buf_len); > > + > > + return nvme_dma_read_prp(n, (uint8_t *) &fw_log + off, trans_len, prp1, > > + prp2); > > +} > > + > > +static uint16_t nvme_error_info(NvmeCtrl *n, NvmeCmd *cmd, uint32_t buf_len, > > + uint64_t off, NvmeRequest *req) > > +{ > > + uint32_t trans_len; > > + uint64_t prp1 = le64_to_cpu(cmd->dptr.prp1); > > + uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2); > > + NvmeErrorLog errlog; > > + > > + if (off > sizeof(errlog)) { > > + return NVME_INVALID_FIELD | NVME_DNR; > > + } > > + > > + memset(&errlog, 0x0, sizeof(errlog)); > > + > > + trans_len = MIN(sizeof(errlog) - off, buf_len); > > + > > + return nvme_dma_read_prp(n, (uint8_t *)&errlog, trans_len, prp1, prp2); > > +} > > + > > +static uint16_t nvme_get_log(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) > > +{ > > + uint32_t dw10 = le32_to_cpu(cmd->cdw10); > > + uint32_t dw11 = le32_to_cpu(cmd->cdw11); > > + uint32_t dw12 = le32_to_cpu(cmd->cdw12); > > + uint32_t dw13 = le32_to_cpu(cmd->cdw13); > > + uint8_t lid = dw10 & 0xff; > > + uint8_t lsp = (dw10 >> 8) & 0xf; > > + uint8_t rae = (dw10 >> 15) & 0x1; > > + uint32_t numdl, numdu; > > + uint64_t off, lpol, lpou; > > + size_t len; > > + > > + numdl = (dw10 >> 16); > > + numdu = (dw11 & 0xffff); > > + lpol = dw12; > > + lpou = dw13; > > + > > + len = (((numdu << 16) | numdl) + 1) << 2; > > + off = (lpou << 32ULL) | lpol; > > + > > + if (off & 0x3) { > > + return NVME_INVALID_FIELD | NVME_DNR; > > + } > > + > > + trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); > > + > > + switch (lid) { > > + case NVME_LOG_ERROR_INFO: > > + return nvme_error_info(n, cmd, len, off, req); > > + case NVME_LOG_SMART_INFO: > > + return nvme_smart_info(n, cmd, len, off, req); > > + case NVME_LOG_FW_SLOT_INFO: > > + return nvme_fw_log_info(n, cmd, len, off, req); > > + default: > > + trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); > > + return NVME_INVALID_FIELD | NVME_DNR; > > + } > > +} > > + > > static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) > > { > > n->cq[cq->cqid] = NULL; > > @@ -946,6 +1081,8 @@ static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) > > return nvme_del_sq(n, cmd); > > case NVME_ADM_CMD_CREATE_SQ: > > return nvme_create_sq(n, cmd); > > + case NVME_ADM_CMD_GET_LOG_PAGE: > > + return nvme_get_log(n, cmd, req); > > case NVME_ADM_CMD_DELETE_CQ: > > return nvme_del_cq(n, cmd); > > case NVME_ADM_CMD_CREATE_CQ: > > @@ -1497,7 +1634,9 @@ static void nvme_init_state(NvmeCtrl *n) > > n->namespaces = g_new0(NvmeNamespace, n->num_namespaces); > > n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); > > n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); > > + n->temperature = NVME_TEMPERATURE; > > n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; > > + n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); > > } > > > > static void nvme_init_blk(NvmeCtrl *n, Error **errp) > > @@ -1654,7 +1793,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) > > */ > > id->acl = 3; > > id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; > > - id->lpa = 1 << 0; > > + id->lpa = NVME_LPA_EXTENDED; > > > > /* recommended default value (~70 C) */ > > id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); > > diff --git a/hw/block/nvme.h b/hw/block/nvme.h > > index 3acde10e1d2a..3ddbc3722d7c 100644 > > --- a/hw/block/nvme.h > > +++ b/hw/block/nvme.h > > @@ -98,6 +98,8 @@ typedef struct NvmeCtrl { > > uint32_t irq_status; > > uint64_t host_timestamp; /* Timestamp sent by the host */ > > uint64_t timestamp_set_qemu_clock_ms; /* QEMU clock time */ > > + uint64_t starttime_ms; > > + uint16_t temperature; > > > > HostMemoryBackend *pmrdev; > > > > diff --git a/hw/block/trace-events b/hw/block/trace-events > > index c40c0d2e4b28..3330d74e48db 100644 > > --- a/hw/block/trace-events > > +++ b/hw/block/trace-events > > @@ -45,6 +45,7 @@ pci_nvme_del_cq(uint16_t cqid) "deleted completion queue, cqid=%"PRIu16"" > > pci_nvme_identify_ctrl(void) "identify controller" > > pci_nvme_identify_ns(uint32_t ns) "nsid %"PRIu32"" > > pci_nvme_identify_nslist(uint32_t ns) "nsid %"PRIu32"" > > +pci_nvme_get_log(uint16_t cid, uint8_t lid, uint8_t lsp, uint8_t rae, uint32_t len, uint64_t off) "cid %"PRIu16" lid 0x%"PRIx8" lsp 0x%"PRIx8" rae 0x%"PRIx8" len %"PRIu32" off %"PRIu64"" > > pci_nvme_getfeat_vwcache(const char* result) "get feature volatile write cache, result=%s" > > pci_nvme_getfeat_numq(int result) "get feature number of queues, result=%d" > > pci_nvme_setfeat_numq(int reqcq, int reqsq, int gotcq, int gotsq) "requested cq_count=%d sq_count=%d, responding with cq_count=%d sq_count=%d" > > @@ -94,6 +95,7 @@ pci_nvme_err_invalid_create_cq_qflags(uint16_t qflags) "failed creating completi > > pci_nvme_err_invalid_identify_cns(uint16_t cns) "identify, invalid cns=0x%"PRIx16"" > > pci_nvme_err_invalid_getfeat(int dw10) "invalid get features, dw10=0x%"PRIx32"" > > pci_nvme_err_invalid_setfeat(uint32_t dw10) "invalid set features, dw10=0x%"PRIx32"" > > +pci_nvme_err_invalid_log_page(uint16_t cid, uint16_t lid) "cid %"PRIu16" lid 0x%"PRIx16"" > > pci_nvme_err_startfail_cq(void) "nvme_start_ctrl failed because there are non-admin completion queues" > > pci_nvme_err_startfail_sq(void) "nvme_start_ctrl failed because there are non-admin submission queues" > > pci_nvme_err_startfail_nbarasq(void) "nvme_start_ctrl failed because the admin submission queue address is null" > > diff --git a/include/block/nvme.h b/include/block/nvme.h > > index 003b15af9cd9..1339f0491d27 100644 > > --- a/include/block/nvme.h > > +++ b/include/block/nvme.h > > @@ -846,6 +846,10 @@ enum NvmeIdCtrlFrmw { > > NVME_FRMW_SLOT1_RO = 1 << 0, > > }; > > > > +enum NvmeIdCtrlLpa { > > + NVME_LPA_EXTENDED = 1 << 2, > > +}; > > + > > #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf) > > #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf) > > #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c index f8e91a6965ed..fe5d052ab159 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -592,6 +592,141 @@ static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeCmd *cmd) return NVME_SUCCESS; } +static uint16_t nvme_smart_info(NvmeCtrl *n, NvmeCmd *cmd, uint32_t buf_len, + uint64_t off, NvmeRequest *req) +{ + uint64_t prp1 = le64_to_cpu(cmd->dptr.prp1); + uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2); + uint32_t nsid = le32_to_cpu(cmd->nsid); + + uint32_t trans_len; + time_t current_ms; + uint64_t units_read = 0, units_written = 0; + uint64_t read_commands = 0, write_commands = 0; + NvmeSmartLog smart; + BlockAcctStats *s; + + if (nsid && nsid != 0xffffffff) { + return NVME_INVALID_FIELD | NVME_DNR; + } + + s = blk_get_stats(n->conf.blk); + + units_read = s->nr_bytes[BLOCK_ACCT_READ] >> BDRV_SECTOR_BITS; + units_written = s->nr_bytes[BLOCK_ACCT_WRITE] >> BDRV_SECTOR_BITS; + read_commands = s->nr_ops[BLOCK_ACCT_READ]; + write_commands = s->nr_ops[BLOCK_ACCT_WRITE]; + + if (off > sizeof(smart)) { + return NVME_INVALID_FIELD | NVME_DNR; + } + + trans_len = MIN(sizeof(smart) - off, buf_len); + + memset(&smart, 0x0, sizeof(smart)); + + smart.data_units_read[0] = cpu_to_le64(units_read / 1000); + smart.data_units_written[0] = cpu_to_le64(units_written / 1000); + smart.host_read_commands[0] = cpu_to_le64(read_commands); + smart.host_write_commands[0] = cpu_to_le64(write_commands); + + smart.temperature[0] = n->temperature & 0xff; + smart.temperature[1] = (n->temperature >> 8) & 0xff; + + if ((n->temperature >= n->features.temp_thresh_hi) || + (n->temperature <= n->features.temp_thresh_low)) { + smart.critical_warning |= NVME_SMART_TEMPERATURE; + } + + current_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); + smart.power_on_hours[0] = + cpu_to_le64((((current_ms - n->starttime_ms) / 1000) / 60) / 60); + + return nvme_dma_read_prp(n, (uint8_t *) &smart + off, trans_len, prp1, + prp2); +} + +static uint16_t nvme_fw_log_info(NvmeCtrl *n, NvmeCmd *cmd, uint32_t buf_len, + uint64_t off, NvmeRequest *req) +{ + uint32_t trans_len; + uint64_t prp1 = le64_to_cpu(cmd->dptr.prp1); + uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2); + NvmeFwSlotInfoLog fw_log = { + .afi = 0x1, + }; + + strpadcpy((char *)&fw_log.frs1, sizeof(fw_log.frs1), "1.0", ' '); + + if (off > sizeof(fw_log)) { + return NVME_INVALID_FIELD | NVME_DNR; + } + + trans_len = MIN(sizeof(fw_log) - off, buf_len); + + return nvme_dma_read_prp(n, (uint8_t *) &fw_log + off, trans_len, prp1, + prp2); +} + +static uint16_t nvme_error_info(NvmeCtrl *n, NvmeCmd *cmd, uint32_t buf_len, + uint64_t off, NvmeRequest *req) +{ + uint32_t trans_len; + uint64_t prp1 = le64_to_cpu(cmd->dptr.prp1); + uint64_t prp2 = le64_to_cpu(cmd->dptr.prp2); + NvmeErrorLog errlog; + + if (off > sizeof(errlog)) { + return NVME_INVALID_FIELD | NVME_DNR; + } + + memset(&errlog, 0x0, sizeof(errlog)); + + trans_len = MIN(sizeof(errlog) - off, buf_len); + + return nvme_dma_read_prp(n, (uint8_t *)&errlog, trans_len, prp1, prp2); +} + +static uint16_t nvme_get_log(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) +{ + uint32_t dw10 = le32_to_cpu(cmd->cdw10); + uint32_t dw11 = le32_to_cpu(cmd->cdw11); + uint32_t dw12 = le32_to_cpu(cmd->cdw12); + uint32_t dw13 = le32_to_cpu(cmd->cdw13); + uint8_t lid = dw10 & 0xff; + uint8_t lsp = (dw10 >> 8) & 0xf; + uint8_t rae = (dw10 >> 15) & 0x1; + uint32_t numdl, numdu; + uint64_t off, lpol, lpou; + size_t len; + + numdl = (dw10 >> 16); + numdu = (dw11 & 0xffff); + lpol = dw12; + lpou = dw13; + + len = (((numdu << 16) | numdl) + 1) << 2; + off = (lpou << 32ULL) | lpol; + + if (off & 0x3) { + return NVME_INVALID_FIELD | NVME_DNR; + } + + trace_pci_nvme_get_log(nvme_cid(req), lid, lsp, rae, len, off); + + switch (lid) { + case NVME_LOG_ERROR_INFO: + return nvme_error_info(n, cmd, len, off, req); + case NVME_LOG_SMART_INFO: + return nvme_smart_info(n, cmd, len, off, req); + case NVME_LOG_FW_SLOT_INFO: + return nvme_fw_log_info(n, cmd, len, off, req); + default: + trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); + return NVME_INVALID_FIELD | NVME_DNR; + } +} + static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n) { n->cq[cq->cqid] = NULL; @@ -946,6 +1081,8 @@ static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req) return nvme_del_sq(n, cmd); case NVME_ADM_CMD_CREATE_SQ: return nvme_create_sq(n, cmd); + case NVME_ADM_CMD_GET_LOG_PAGE: + return nvme_get_log(n, cmd, req); case NVME_ADM_CMD_DELETE_CQ: return nvme_del_cq(n, cmd); case NVME_ADM_CMD_CREATE_CQ: @@ -1497,7 +1634,9 @@ static void nvme_init_state(NvmeCtrl *n) n->namespaces = g_new0(NvmeNamespace, n->num_namespaces); n->sq = g_new0(NvmeSQueue *, n->params.max_ioqpairs + 1); n->cq = g_new0(NvmeCQueue *, n->params.max_ioqpairs + 1); + n->temperature = NVME_TEMPERATURE; n->features.temp_thresh_hi = NVME_TEMPERATURE_WARNING; + n->starttime_ms = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); } static void nvme_init_blk(NvmeCtrl *n, Error **errp) @@ -1654,7 +1793,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) */ id->acl = 3; id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; - id->lpa = 1 << 0; + id->lpa = NVME_LPA_EXTENDED; /* recommended default value (~70 C) */ id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING); diff --git a/hw/block/nvme.h b/hw/block/nvme.h index 3acde10e1d2a..3ddbc3722d7c 100644 --- a/hw/block/nvme.h +++ b/hw/block/nvme.h @@ -98,6 +98,8 @@ typedef struct NvmeCtrl { uint32_t irq_status; uint64_t host_timestamp; /* Timestamp sent by the host */ uint64_t timestamp_set_qemu_clock_ms; /* QEMU clock time */ + uint64_t starttime_ms; + uint16_t temperature; HostMemoryBackend *pmrdev; diff --git a/hw/block/trace-events b/hw/block/trace-events index c40c0d2e4b28..3330d74e48db 100644 --- a/hw/block/trace-events +++ b/hw/block/trace-events @@ -45,6 +45,7 @@ pci_nvme_del_cq(uint16_t cqid) "deleted completion queue, cqid=%"PRIu16"" pci_nvme_identify_ctrl(void) "identify controller" pci_nvme_identify_ns(uint32_t ns) "nsid %"PRIu32"" pci_nvme_identify_nslist(uint32_t ns) "nsid %"PRIu32"" +pci_nvme_get_log(uint16_t cid, uint8_t lid, uint8_t lsp, uint8_t rae, uint32_t len, uint64_t off) "cid %"PRIu16" lid 0x%"PRIx8" lsp 0x%"PRIx8" rae 0x%"PRIx8" len %"PRIu32" off %"PRIu64"" pci_nvme_getfeat_vwcache(const char* result) "get feature volatile write cache, result=%s" pci_nvme_getfeat_numq(int result) "get feature number of queues, result=%d" pci_nvme_setfeat_numq(int reqcq, int reqsq, int gotcq, int gotsq) "requested cq_count=%d sq_count=%d, responding with cq_count=%d sq_count=%d" @@ -94,6 +95,7 @@ pci_nvme_err_invalid_create_cq_qflags(uint16_t qflags) "failed creating completi pci_nvme_err_invalid_identify_cns(uint16_t cns) "identify, invalid cns=0x%"PRIx16"" pci_nvme_err_invalid_getfeat(int dw10) "invalid get features, dw10=0x%"PRIx32"" pci_nvme_err_invalid_setfeat(uint32_t dw10) "invalid set features, dw10=0x%"PRIx32"" +pci_nvme_err_invalid_log_page(uint16_t cid, uint16_t lid) "cid %"PRIu16" lid 0x%"PRIx16"" pci_nvme_err_startfail_cq(void) "nvme_start_ctrl failed because there are non-admin completion queues" pci_nvme_err_startfail_sq(void) "nvme_start_ctrl failed because there are non-admin submission queues" pci_nvme_err_startfail_nbarasq(void) "nvme_start_ctrl failed because the admin submission queue address is null" diff --git a/include/block/nvme.h b/include/block/nvme.h index 003b15af9cd9..1339f0491d27 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -846,6 +846,10 @@ enum NvmeIdCtrlFrmw { NVME_FRMW_SLOT1_RO = 1 << 0, }; +enum NvmeIdCtrlLpa { + NVME_LPA_EXTENDED = 1 << 2, +}; + #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf) #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf) #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)