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hw/block/nvme: add remaining mandatory controller parameters 

Add support for any remaining mandatory controller operating parameters
(features).

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20200706061303.246057-12-its@irrelevant.dk>
This commit is contained in:
Klaus Jensen 2020-07-06 08:12:56 +02:00
parent d21d37f5ab
commit 1302e48e49
3 changed files with 61 additions and 7 deletions
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56
hw/block/nvme.c
View File

@ -85,6 +85,20 @@
" in %s: " fmt "\n", __func__, ## __VA_ARGS__); \
} while (0)
static const bool nvme_feature_support[NVME_FID_MAX] = {
[NVME_ARBITRATION] = true,
[NVME_POWER_MANAGEMENT] = true,
[NVME_TEMPERATURE_THRESHOLD] = true,
[NVME_ERROR_RECOVERY] = true,
[NVME_VOLATILE_WRITE_CACHE] = true,
[NVME_NUMBER_OF_QUEUES] = true,
[NVME_INTERRUPT_COALESCING] = true,
[NVME_INTERRUPT_VECTOR_CONF] = true,
[NVME_WRITE_ATOMICITY] = true,
[NVME_ASYNCHRONOUS_EVENT_CONF] = true,
[NVME_TIMESTAMP] = true,
};
static void nvme_process_sq(void *opaque);
static uint16_t nvme_cid(NvmeRequest *req)
@ -1085,8 +1099,20 @@ static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
uint32_t dw10 = le32_to_cpu(cmd->cdw10);
uint32_t dw11 = le32_to_cpu(cmd->cdw11);
uint32_t result;
uint8_t fid = NVME_GETSETFEAT_FID(dw10);
uint16_t iv;
switch (dw10) {
static const uint32_t nvme_feature_default[NVME_FID_MAX] = {
[NVME_ARBITRATION] = NVME_ARB_AB_NOLIMIT,
};
trace_pci_nvme_getfeat(nvme_cid(req), fid, dw11);
if (!nvme_feature_support[fid]) {
return NVME_INVALID_FIELD | NVME_DNR;
}
switch (fid) {
case NVME_TEMPERATURE_THRESHOLD:
result = 0;
@ -1116,6 +1142,18 @@ static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
result = (n->params.max_ioqpairs - 1) |
((n->params.max_ioqpairs - 1) << 16);
trace_pci_nvme_getfeat_numq(result);
break;
case NVME_INTERRUPT_VECTOR_CONF:
iv = dw11 & 0xffff;
if (iv >= n->params.max_ioqpairs + 1) {
return NVME_INVALID_FIELD | NVME_DNR;
}
result = iv;
if (iv == n->admin_cq.vector) {
result |= NVME_INTVC_NOCOALESCING;
}
break;
case NVME_ASYNCHRONOUS_EVENT_CONF:
result = n->features.async_config;
@ -1123,8 +1161,8 @@ static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
case NVME_TIMESTAMP:
return nvme_get_feature_timestamp(n, cmd);
default:
trace_pci_nvme_err_invalid_getfeat(dw10);
return NVME_INVALID_FIELD | NVME_DNR;
result = nvme_feature_default[fid];
break;
}
req->cqe.result = cpu_to_le32(result);
@ -1153,8 +1191,15 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
{
uint32_t dw10 = le32_to_cpu(cmd->cdw10);
uint32_t dw11 = le32_to_cpu(cmd->cdw11);
uint8_t fid = NVME_GETSETFEAT_FID(dw10);
switch (dw10) {
trace_pci_nvme_setfeat(nvme_cid(req), fid, dw11);
if (!nvme_feature_support[fid]) {
return NVME_INVALID_FIELD | NVME_DNR;
}
switch (fid) {
case NVME_TEMPERATURE_THRESHOLD:
if (NVME_TEMP_TMPSEL(dw11) != NVME_TEMP_TMPSEL_COMPOSITE) {
break;
@ -1201,8 +1246,7 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
case NVME_TIMESTAMP:
return nvme_set_feature_timestamp(n, cmd);
default:
trace_pci_nvme_err_invalid_setfeat(dw10);
return NVME_INVALID_FIELD | NVME_DNR;
return NVME_FEAT_NOT_CHANGEABLE | NVME_DNR;
}
return NVME_SUCCESS;
}

2
hw/block/trace-events
View File

@ -46,6 +46,8 @@ 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(uint16_t cid, uint8_t fid, uint32_t cdw11) "cid %"PRIu16" fid 0x%"PRIx8" cdw11 0x%"PRIx32""
pci_nvme_setfeat(uint16_t cid, uint8_t fid, uint32_t cdw11) "cid %"PRIu16" fid 0x%"PRIx8" cdw11 0x%"PRIx32""
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"

10
include/block/nvme.h
View File

@ -663,6 +663,7 @@ enum NvmeStatusCodes {
NVME_FW_REQ_RESET = 0x010b,
NVME_INVALID_QUEUE_DEL = 0x010c,
NVME_FID_NOT_SAVEABLE = 0x010d,
NVME_FEAT_NOT_CHANGEABLE = 0x010e,
NVME_FID_NOT_NSID_SPEC = 0x010f,
NVME_FW_REQ_SUSYSTEM_RESET = 0x0110,
NVME_CONFLICTING_ATTRS = 0x0180,
@ -867,6 +868,7 @@ enum NvmeIdCtrlLpa {
#define NVME_CTRL_SGLS_ADDR_OFFSET (0x1 << 20)
#define NVME_ARB_AB(arb) (arb & 0x7)
#define NVME_ARB_AB_NOLIMIT 0x7
#define NVME_ARB_LPW(arb) ((arb >> 8) & 0xff)
#define NVME_ARB_MPW(arb) ((arb >> 16) & 0xff)
#define NVME_ARB_HPW(arb) ((arb >> 24) & 0xff)
@ -874,6 +876,8 @@ enum NvmeIdCtrlLpa {
#define NVME_INTC_THR(intc) (intc & 0xff)
#define NVME_INTC_TIME(intc) ((intc >> 8) & 0xff)
#define NVME_INTVC_NOCOALESCING (0x1 << 16)
#define NVME_TEMP_THSEL(temp) ((temp >> 20) & 0x3)
#define NVME_TEMP_THSEL_OVER 0x0
#define NVME_TEMP_THSEL_UNDER 0x1
@ -900,9 +904,13 @@ enum NvmeFeatureIds {
NVME_WRITE_ATOMICITY = 0xa,
NVME_ASYNCHRONOUS_EVENT_CONF = 0xb,
NVME_TIMESTAMP = 0xe,
NVME_SOFTWARE_PROGRESS_MARKER = 0x80
NVME_SOFTWARE_PROGRESS_MARKER = 0x80,
NVME_FID_MAX = 0x100,
};
#define NVME_GETSETFEAT_FID_MASK 0xff
#define NVME_GETSETFEAT_FID(dw10) (dw10 & NVME_GETSETFEAT_FID_MASK)
typedef struct QEMU_PACKED NvmeRangeType {
uint8_t type;
uint8_t attributes;