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[PATCH v6 41/42] nvme: remove redundant NvmeCmd pointer parameter
|
From: |
Klaus Jensen |
|
Subject: |
[PATCH v6 41/42] nvme: remove redundant NvmeCmd pointer parameter |
|
Date: |
Mon, 16 Mar 2020 07:29:27 -0700 |
From: Klaus Jensen <address@hidden>
The command struct is available in the NvmeRequest that we generally
pass around anyway.
Signed-off-by: Klaus Jensen <address@hidden>
Acked-by: Keith Busch <address@hidden>
Reviewed-by: Maxim Levitsky <address@hidden>
---
hw/block/nvme.c | 164 +++++++++++++++++++++++-------------------------
1 file changed, 78 insertions(+), 86 deletions(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index f176d859a85e..4f1504fc00fe 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -986,7 +986,7 @@ static void nvme_aio_cb(void *opaque, int ret)
nvme_aio_destroy(aio);
}
-static uint16_t nvme_flush(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_flush(NvmeCtrl *n, NvmeRequest *req)
{
NvmeNamespace *ns = req->ns;
NvmeAIO *aio = g_new0(NvmeAIO, 1);
@@ -1002,12 +1002,12 @@ static uint16_t nvme_flush(NvmeCtrl *n, NvmeCmd *cmd,
NvmeRequest *req)
return NVME_NO_COMPLETE;
}
-static uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_write_zeroes(NvmeCtrl *n, NvmeRequest *req)
{
NvmeAIO *aio;
NvmeNamespace *ns = req->ns;
- NvmeRwCmd *rw = (NvmeRwCmd *) cmd;
+ NvmeRwCmd *rw = (NvmeRwCmd *) &req->cmd;
uint16_t ctrl = le16_to_cpu(rw->control);
int64_t offset;
@@ -1057,9 +1057,9 @@ invalid:
return status;
}
-static uint16_t nvme_rw(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_rw(NvmeCtrl *n, NvmeRequest *req)
{
- NvmeRwCmd *rw = (NvmeRwCmd *) cmd;
+ NvmeRwCmd *rw = (NvmeRwCmd *) &req->cmd;
NvmeNamespace *ns = req->ns;
uint32_t len;
int status;
@@ -1095,12 +1095,12 @@ invalid:
return status;
}
-static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeRequest *req)
{
- uint32_t nsid = le32_to_cpu(cmd->nsid);
+ uint32_t nsid = le32_to_cpu(req->cmd.nsid);
trace_nvme_dev_io_cmd(nvme_cid(req), nsid, le16_to_cpu(req->sq->sqid),
- cmd->opcode);
+ req->cmd.opcode);
if (!nvme_nsid_valid(n, nsid)) {
return NVME_INVALID_NSID | NVME_DNR;
@@ -1112,16 +1112,16 @@ static uint16_t nvme_io_cmd(NvmeCtrl *n, NvmeCmd *cmd,
NvmeRequest *req)
return NVME_INVALID_FIELD | NVME_DNR;
}
- switch (cmd->opcode) {
+ switch (req->cmd.opcode) {
case NVME_CMD_FLUSH:
- return nvme_flush(n, cmd, req);
+ return nvme_flush(n, req);
case NVME_CMD_WRITE_ZEROS:
- return nvme_write_zeroes(n, cmd, req);
+ return nvme_write_zeroes(n, req);
case NVME_CMD_WRITE:
case NVME_CMD_READ:
- return nvme_rw(n, cmd, req);
+ return nvme_rw(n, req);
default:
- trace_nvme_dev_err_invalid_opc(cmd->opcode);
+ trace_nvme_dev_err_invalid_opc(req->cmd.opcode);
return NVME_INVALID_OPCODE | NVME_DNR;
}
}
@@ -1137,10 +1137,10 @@ static void nvme_free_sq(NvmeSQueue *sq, NvmeCtrl *n)
}
}
-static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeCmd *cmd)
+static uint16_t nvme_del_sq(NvmeCtrl *n, NvmeRequest *req)
{
- NvmeDeleteQ *c = (NvmeDeleteQ *)cmd;
- NvmeRequest *req, *next;
+ NvmeDeleteQ *c = (NvmeDeleteQ *) &req->cmd;
+ NvmeRequest *next;
NvmeSQueue *sq;
NvmeCQueue *cq;
NvmeAIO *aio;
@@ -1208,10 +1208,10 @@ static void nvme_init_sq(NvmeSQueue *sq, NvmeCtrl *n,
uint64_t dma_addr,
n->sq[sqid] = sq;
}
-static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeCmd *cmd)
+static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeRequest *req)
{
NvmeSQueue *sq;
- NvmeCreateSq *c = (NvmeCreateSq *)cmd;
+ NvmeCreateSq *c = (NvmeCreateSq *) &req->cmd;
uint16_t cqid = le16_to_cpu(c->cqid);
uint16_t sqid = le16_to_cpu(c->sqid);
@@ -1246,11 +1246,10 @@ static uint16_t nvme_create_sq(NvmeCtrl *n, NvmeCmd
*cmd)
return NVME_SUCCESS;
}
-static uint16_t nvme_smart_info(NvmeCtrl *n, NvmeCmd *cmd, uint8_t rae,
- uint32_t buf_len, uint64_t off,
- NvmeRequest *req)
+static uint16_t nvme_smart_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len,
+ uint64_t off, NvmeRequest *req)
{
- uint32_t nsid = le32_to_cpu(cmd->nsid);
+ uint32_t nsid = le32_to_cpu(req->cmd.nsid);
uint32_t trans_len;
time_t current_ms;
@@ -1309,8 +1308,8 @@ static uint16_t nvme_smart_info(NvmeCtrl *n, NvmeCmd
*cmd, uint8_t rae,
DMA_DIRECTION_FROM_DEVICE, req);
}
-static uint16_t nvme_fw_log_info(NvmeCtrl *n, NvmeCmd *cmd, uint32_t buf_len,
- uint64_t off, NvmeRequest *req)
+static uint16_t nvme_fw_log_info(NvmeCtrl *n, uint32_t buf_len, uint64_t off,
+ NvmeRequest *req)
{
uint32_t trans_len;
NvmeFwSlotInfoLog fw_log;
@@ -1327,9 +1326,8 @@ static uint16_t nvme_fw_log_info(NvmeCtrl *n, NvmeCmd
*cmd, uint32_t buf_len,
DMA_DIRECTION_FROM_DEVICE, req);
}
-static uint16_t nvme_error_info(NvmeCtrl *n, NvmeCmd *cmd, uint8_t rae,
- uint32_t buf_len, uint64_t off,
- NvmeRequest *req)
+static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len,
+ uint64_t off, NvmeRequest *req)
{
uint32_t trans_len;
uint8_t errlog[64];
@@ -1349,12 +1347,12 @@ static uint16_t nvme_error_info(NvmeCtrl *n, NvmeCmd
*cmd, uint8_t rae,
return nvme_dma(n, errlog, trans_len, DMA_DIRECTION_FROM_DEVICE, req);
}
-static uint16_t nvme_get_log(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_get_log(NvmeCtrl *n, 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);
+ uint32_t dw10 = le32_to_cpu(req->cmd.cdw10);
+ uint32_t dw11 = le32_to_cpu(req->cmd.cdw11);
+ uint32_t dw12 = le32_to_cpu(req->cmd.cdw12);
+ uint32_t dw13 = le32_to_cpu(req->cmd.cdw13);
uint8_t lid = dw10 & 0xff;
uint8_t lsp = (dw10 >> 8) & 0xf;
uint8_t rae = (dw10 >> 15) & 0x1;
@@ -1384,11 +1382,11 @@ static uint16_t nvme_get_log(NvmeCtrl *n, NvmeCmd *cmd,
NvmeRequest *req)
switch (lid) {
case NVME_LOG_ERROR_INFO:
- return nvme_error_info(n, cmd, rae, len, off, req);
+ return nvme_error_info(n, rae, len, off, req);
case NVME_LOG_SMART_INFO:
- return nvme_smart_info(n, cmd, rae, len, off, req);
+ return nvme_smart_info(n, rae, len, off, req);
case NVME_LOG_FW_SLOT_INFO:
- return nvme_fw_log_info(n, cmd, len, off, req);
+ return nvme_fw_log_info(n, len, off, req);
default:
trace_nvme_dev_err_invalid_log_page(nvme_cid(req), lid);
return NVME_INVALID_FIELD | NVME_DNR;
@@ -1406,9 +1404,9 @@ static void nvme_free_cq(NvmeCQueue *cq, NvmeCtrl *n)
}
}
-static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeCmd *cmd)
+static uint16_t nvme_del_cq(NvmeCtrl *n, NvmeRequest *req)
{
- NvmeDeleteQ *c = (NvmeDeleteQ *)cmd;
+ NvmeDeleteQ *c = (NvmeDeleteQ *) &req->cmd;
NvmeCQueue *cq;
uint16_t qid = le16_to_cpu(c->qid);
@@ -1446,10 +1444,10 @@ static void nvme_init_cq(NvmeCQueue *cq, NvmeCtrl *n,
uint64_t dma_addr,
cq->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, nvme_post_cqes, cq);
}
-static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeCmd *cmd)
+static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeRequest *req)
{
NvmeCQueue *cq;
- NvmeCreateCq *c = (NvmeCreateCq *)cmd;
+ NvmeCreateCq *c = (NvmeCreateCq *) &req->cmd;
uint16_t cqid = le16_to_cpu(c->cqid);
uint16_t vector = le16_to_cpu(c->irq_vector);
uint16_t qsize = le16_to_cpu(c->qsize);
@@ -1488,8 +1486,7 @@ static uint16_t nvme_create_cq(NvmeCtrl *n, NvmeCmd *cmd)
return NVME_SUCCESS;
}
-static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeIdentify *c,
- NvmeRequest *req)
+static uint16_t nvme_identify_ctrl(NvmeCtrl *n, NvmeRequest *req)
{
trace_nvme_dev_identify_ctrl();
@@ -1497,11 +1494,10 @@ static uint16_t nvme_identify_ctrl(NvmeCtrl *n,
NvmeIdentify *c,
DMA_DIRECTION_FROM_DEVICE, req);
}
-static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeIdentify *c,
- NvmeRequest *req)
+static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest *req)
{
NvmeIdNs *id_ns, inactive = { 0 };
- uint32_t nsid = le32_to_cpu(c->nsid);
+ uint32_t nsid = le32_to_cpu(req->cmd.nsid);
NvmeNamespace *ns;
trace_nvme_dev_identify_ns(nsid);
@@ -1521,11 +1517,10 @@ static uint16_t nvme_identify_ns(NvmeCtrl *n,
NvmeIdentify *c,
DMA_DIRECTION_FROM_DEVICE, req);
}
-static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeIdentify *c,
- NvmeRequest *req)
+static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeRequest *req)
{
static const int data_len = NVME_IDENTIFY_DATA_SIZE;
- uint32_t min_nsid = le32_to_cpu(c->nsid);
+ uint32_t min_nsid = le32_to_cpu(req->cmd.nsid);
uint32_t *list;
uint16_t ret;
int j = 0;
@@ -1548,10 +1543,9 @@ static uint16_t nvme_identify_nslist(NvmeCtrl *n,
NvmeIdentify *c,
return ret;
}
-static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeIdentify *c,
- NvmeRequest *req)
+static uint16_t nvme_identify_ns_descr_list(NvmeCtrl *n, NvmeRequest *req)
{
- uint32_t nsid = le32_to_cpu(c->nsid);
+ uint32_t nsid = le32_to_cpu(req->cmd.nsid);
void *list;
uint16_t ret;
@@ -1586,28 +1580,28 @@ static uint16_t nvme_identify_ns_descr_list(NvmeCtrl
*n, NvmeIdentify *c,
return ret;
}
-static uint16_t nvme_identify(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest *req)
{
- NvmeIdentify *c = (NvmeIdentify *)cmd;
+ NvmeIdentify *c = (NvmeIdentify *) &req->cmd;
switch (le32_to_cpu(c->cns)) {
case NVME_ID_CNS_NS:
- return nvme_identify_ns(n, c, req);
+ return nvme_identify_ns(n, req);
case NVME_ID_CNS_CTRL:
- return nvme_identify_ctrl(n, c, req);
+ return nvme_identify_ctrl(n, req);
case NVME_ID_CNS_NS_ACTIVE_LIST:
- return nvme_identify_nslist(n, c, req);
+ return nvme_identify_nslist(n, req);
case NVME_ID_CNS_NS_DESCR_LIST:
- return nvme_identify_ns_descr_list(n, c, req);
+ return nvme_identify_ns_descr_list(n, req);
default:
trace_nvme_dev_err_invalid_identify_cns(le32_to_cpu(c->cns));
return NVME_INVALID_FIELD | NVME_DNR;
}
}
-static uint16_t nvme_abort(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_abort(NvmeCtrl *n, NvmeRequest *req)
{
- uint16_t sqid = le32_to_cpu(cmd->cdw10) & 0xffff;
+ uint16_t sqid = le32_to_cpu(req->cmd.cdw10) & 0xffff;
req->cqe.result = 1;
if (nvme_check_sqid(n, sqid)) {
@@ -1657,8 +1651,7 @@ static inline uint64_t nvme_get_timestamp(const NvmeCtrl
*n)
return cpu_to_le64(ts.all);
}
-static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeCmd *cmd,
- NvmeRequest *req)
+static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n, NvmeRequest *req)
{
uint64_t timestamp = nvme_get_timestamp(n);
@@ -1666,10 +1659,10 @@ static uint16_t nvme_get_feature_timestamp(NvmeCtrl *n,
NvmeCmd *cmd,
DMA_DIRECTION_FROM_DEVICE, req);
}
-static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeRequest *req)
{
- uint32_t dw10 = le32_to_cpu(cmd->cdw10);
- uint32_t dw11 = le32_to_cpu(cmd->cdw11);
+ uint32_t dw10 = le32_to_cpu(req->cmd.cdw10);
+ uint32_t dw11 = le32_to_cpu(req->cmd.cdw11);
uint32_t result;
trace_nvme_dev_getfeat(nvme_cid(req), dw10);
@@ -1715,7 +1708,7 @@ static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeCmd
*cmd, NvmeRequest *req)
trace_nvme_dev_getfeat_numq(result);
break;
case NVME_TIMESTAMP:
- return nvme_get_feature_timestamp(n, cmd, req);
+ return nvme_get_feature_timestamp(n, req);
case NVME_INTERRUPT_COALESCING:
result = cpu_to_le32(n->features.int_coalescing);
break;
@@ -1741,8 +1734,7 @@ static uint16_t nvme_get_feature(NvmeCtrl *n, NvmeCmd
*cmd, NvmeRequest *req)
return NVME_SUCCESS;
}
-static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeCmd *cmd,
- NvmeRequest *req)
+static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n, NvmeRequest *req)
{
uint16_t ret;
uint64_t timestamp;
@@ -1758,12 +1750,12 @@ static uint16_t nvme_set_feature_timestamp(NvmeCtrl *n,
NvmeCmd *cmd,
return NVME_SUCCESS;
}
-static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeRequest *req)
{
NvmeNamespace *ns;
- uint32_t dw10 = le32_to_cpu(cmd->cdw10);
- uint32_t dw11 = le32_to_cpu(cmd->cdw11);
+ uint32_t dw10 = le32_to_cpu(req->cmd.cdw10);
+ uint32_t dw11 = le32_to_cpu(req->cmd.cdw11);
trace_nvme_dev_setfeat(nvme_cid(req), dw10, dw11);
@@ -1832,7 +1824,7 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd
*cmd, NvmeRequest *req)
((n->params.max_ioqpairs - 1) << 16));
break;
case NVME_TIMESTAMP:
- return nvme_set_feature_timestamp(n, cmd, req);
+ return nvme_set_feature_timestamp(n, req);
case NVME_ASYNCHRONOUS_EVENT_CONF:
n->features.async_config = dw11;
break;
@@ -1850,7 +1842,7 @@ static uint16_t nvme_set_feature(NvmeCtrl *n, NvmeCmd
*cmd, NvmeRequest *req)
return NVME_SUCCESS;
}
-static uint16_t nvme_aer(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req)
{
trace_nvme_dev_aer(nvme_cid(req));
@@ -1869,31 +1861,31 @@ static uint16_t nvme_aer(NvmeCtrl *n, NvmeCmd *cmd,
NvmeRequest *req)
return NVME_NO_COMPLETE;
}
-static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeCmd *cmd, NvmeRequest *req)
+static uint16_t nvme_admin_cmd(NvmeCtrl *n, NvmeRequest *req)
{
- switch (cmd->opcode) {
+ switch (req->cmd.opcode) {
case NVME_ADM_CMD_DELETE_SQ:
- return nvme_del_sq(n, cmd);
+ return nvme_del_sq(n, req);
case NVME_ADM_CMD_CREATE_SQ:
- return nvme_create_sq(n, cmd);
+ return nvme_create_sq(n, req);
case NVME_ADM_CMD_GET_LOG_PAGE:
- return nvme_get_log(n, cmd, req);
+ return nvme_get_log(n, req);
case NVME_ADM_CMD_DELETE_CQ:
- return nvme_del_cq(n, cmd);
+ return nvme_del_cq(n, req);
case NVME_ADM_CMD_CREATE_CQ:
- return nvme_create_cq(n, cmd);
+ return nvme_create_cq(n, req);
case NVME_ADM_CMD_IDENTIFY:
- return nvme_identify(n, cmd, req);
+ return nvme_identify(n, req);
case NVME_ADM_CMD_ABORT:
- return nvme_abort(n, cmd, req);
+ return nvme_abort(n, req);
case NVME_ADM_CMD_SET_FEATURES:
- return nvme_set_feature(n, cmd, req);
+ return nvme_set_feature(n, req);
case NVME_ADM_CMD_GET_FEATURES:
- return nvme_get_feature(n, cmd, req);
+ return nvme_get_feature(n, req);
case NVME_ADM_CMD_ASYNC_EV_REQ:
- return nvme_aer(n, cmd, req);
+ return nvme_aer(n, req);
default:
- trace_nvme_dev_err_invalid_admin_opc(cmd->opcode);
+ trace_nvme_dev_err_invalid_admin_opc(req->cmd.opcode);
return NVME_INVALID_OPCODE | NVME_DNR;
}
}
@@ -1926,8 +1918,8 @@ static void nvme_process_sq(void *opaque)
req->cqe.cid = cmd.cid;
memcpy(&req->cmd, &cmd, sizeof(NvmeCmd));
- status = sq->sqid ? nvme_io_cmd(n, &cmd, req) :
- nvme_admin_cmd(n, &cmd, req);
+ status = sq->sqid ? nvme_io_cmd(n, req) :
+ nvme_admin_cmd(n, req);
if (status != NVME_NO_COMPLETE) {
req->status = status;
nvme_enqueue_req_completion(cq, req);
--
2.25.1
- Re: [PATCH v6 36/42] nvme: add support for scatter gather lists, (continued)
[PATCH v6 32/42] nvme: allow multiple aios per command, Klaus Jensen, 2020/03/16
[PATCH v6 39/42] pci: allocate pci id for nvme, Klaus Jensen, 2020/03/16
[PATCH v6 37/42] nvme: refactor identify active namespace id list, Klaus Jensen, 2020/03/16
[PATCH v6 41/42] nvme: remove redundant NvmeCmd pointer parameter,
Klaus Jensen <=
[PATCH v6 38/42] nvme: support multiple namespaces, Klaus Jensen, 2020/03/16
[PATCH v6 40/42] nvme: change controller pci id, Klaus Jensen, 2020/03/16
[PATCH v6 35/42] nvme: handle dma errors, Klaus Jensen, 2020/03/16
[PATCH v6 42/42] nvme: make lba data size configurable, Klaus Jensen, 2020/03/16