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qapi: introduce x-query-rdma QMP command

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This is a counterpart to the HMP "info rdma" command. It is being
added with an "x-" prefix because this QMP command is intended as an
adhoc debugging tool and will thus not be modelled in QAPI as fully
structured data, nor will it have long term guaranteed stability.
The existing HMP command is rewritten to call the QMP command.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2021-09-08 10:35:43 +01:00
parent fc30920731
commit 8dbbca5c05
8 changed files with 114 additions and 96 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hmp-commands-info.hx
View File

@ -185,7 +185,7 @@ ERST
.args_type = "",
.params = "",
.help = "show RDMA state",
.cmd = hmp_info_rdma,
.cmd_info_hrt = qmp_x_query_rdma,
},
SRST

102
hw/rdma/rdma_rm.c
View File

@ -27,58 +27,58 @@
#define PG_DIR_SZ { TARGET_PAGE_SIZE / sizeof(__u64) }
#define PG_TBL_SZ { TARGET_PAGE_SIZE / sizeof(__u64) }
void rdma_dump_device_counters(Monitor *mon, RdmaDeviceResources *dev_res)
void rdma_format_device_counters(RdmaDeviceResources *dev_res, GString *buf)
{
monitor_printf(mon, "\ttx : %" PRId64 "\n",
dev_res->stats.tx);
monitor_printf(mon, "\ttx_len : %" PRId64 "\n",
dev_res->stats.tx_len);
monitor_printf(mon, "\ttx_err : %" PRId64 "\n",
dev_res->stats.tx_err);
monitor_printf(mon, "\trx_bufs : %" PRId64 "\n",
dev_res->stats.rx_bufs);
monitor_printf(mon, "\trx_srq : %" PRId64 "\n",
dev_res->stats.rx_srq);
monitor_printf(mon, "\trx_bufs_len : %" PRId64 "\n",
dev_res->stats.rx_bufs_len);
monitor_printf(mon, "\trx_bufs_err : %" PRId64 "\n",
dev_res->stats.rx_bufs_err);
monitor_printf(mon, "\tcomps : %" PRId64 "\n",
dev_res->stats.completions);
monitor_printf(mon, "\tmissing_comps : %" PRId32 "\n",
dev_res->stats.missing_cqe);
monitor_printf(mon, "\tpoll_cq (bk) : %" PRId64 "\n",
dev_res->stats.poll_cq_from_bk);
monitor_printf(mon, "\tpoll_cq_ppoll_to : %" PRId64 "\n",
dev_res->stats.poll_cq_ppoll_to);
monitor_printf(mon, "\tpoll_cq (fe) : %" PRId64 "\n",
dev_res->stats.poll_cq_from_guest);
monitor_printf(mon, "\tpoll_cq_empty : %" PRId64 "\n",
dev_res->stats.poll_cq_from_guest_empty);
monitor_printf(mon, "\tmad_tx : %" PRId64 "\n",
dev_res->stats.mad_tx);
monitor_printf(mon, "\tmad_tx_err : %" PRId64 "\n",
dev_res->stats.mad_tx_err);
monitor_printf(mon, "\tmad_rx : %" PRId64 "\n",
dev_res->stats.mad_rx);
monitor_printf(mon, "\tmad_rx_err : %" PRId64 "\n",
dev_res->stats.mad_rx_err);
monitor_printf(mon, "\tmad_rx_bufs : %" PRId64 "\n",
dev_res->stats.mad_rx_bufs);
monitor_printf(mon, "\tmad_rx_bufs_err : %" PRId64 "\n",
dev_res->stats.mad_rx_bufs_err);
monitor_printf(mon, "\tPDs : %" PRId32 "\n",
dev_res->pd_tbl.used);
monitor_printf(mon, "\tMRs : %" PRId32 "\n",
dev_res->mr_tbl.used);
monitor_printf(mon, "\tUCs : %" PRId32 "\n",
dev_res->uc_tbl.used);
monitor_printf(mon, "\tQPs : %" PRId32 "\n",
dev_res->qp_tbl.used);
monitor_printf(mon, "\tCQs : %" PRId32 "\n",
dev_res->cq_tbl.used);
monitor_printf(mon, "\tCEQ_CTXs : %" PRId32 "\n",
dev_res->cqe_ctx_tbl.used);
g_string_append_printf(buf, "\ttx : %" PRId64 "\n",
dev_res->stats.tx);
g_string_append_printf(buf, "\ttx_len : %" PRId64 "\n",
dev_res->stats.tx_len);
g_string_append_printf(buf, "\ttx_err : %" PRId64 "\n",
dev_res->stats.tx_err);
g_string_append_printf(buf, "\trx_bufs : %" PRId64 "\n",
dev_res->stats.rx_bufs);
g_string_append_printf(buf, "\trx_srq : %" PRId64 "\n",
dev_res->stats.rx_srq);
g_string_append_printf(buf, "\trx_bufs_len : %" PRId64 "\n",
dev_res->stats.rx_bufs_len);
g_string_append_printf(buf, "\trx_bufs_err : %" PRId64 "\n",
dev_res->stats.rx_bufs_err);
g_string_append_printf(buf, "\tcomps : %" PRId64 "\n",
dev_res->stats.completions);
g_string_append_printf(buf, "\tmissing_comps : %" PRId32 "\n",
dev_res->stats.missing_cqe);
g_string_append_printf(buf, "\tpoll_cq (bk) : %" PRId64 "\n",
dev_res->stats.poll_cq_from_bk);
g_string_append_printf(buf, "\tpoll_cq_ppoll_to : %" PRId64 "\n",
dev_res->stats.poll_cq_ppoll_to);
g_string_append_printf(buf, "\tpoll_cq (fe) : %" PRId64 "\n",
dev_res->stats.poll_cq_from_guest);
g_string_append_printf(buf, "\tpoll_cq_empty : %" PRId64 "\n",
dev_res->stats.poll_cq_from_guest_empty);
g_string_append_printf(buf, "\tmad_tx : %" PRId64 "\n",
dev_res->stats.mad_tx);
g_string_append_printf(buf, "\tmad_tx_err : %" PRId64 "\n",
dev_res->stats.mad_tx_err);
g_string_append_printf(buf, "\tmad_rx : %" PRId64 "\n",
dev_res->stats.mad_rx);
g_string_append_printf(buf, "\tmad_rx_err : %" PRId64 "\n",
dev_res->stats.mad_rx_err);
g_string_append_printf(buf, "\tmad_rx_bufs : %" PRId64 "\n",
dev_res->stats.mad_rx_bufs);
g_string_append_printf(buf, "\tmad_rx_bufs_err : %" PRId64 "\n",
dev_res->stats.mad_rx_bufs_err);
g_string_append_printf(buf, "\tPDs : %" PRId32 "\n",
dev_res->pd_tbl.used);
g_string_append_printf(buf, "\tMRs : %" PRId32 "\n",
dev_res->mr_tbl.used);
g_string_append_printf(buf, "\tUCs : %" PRId32 "\n",
dev_res->uc_tbl.used);
g_string_append_printf(buf, "\tQPs : %" PRId32 "\n",
dev_res->qp_tbl.used);
g_string_append_printf(buf, "\tCQs : %" PRId32 "\n",
dev_res->cq_tbl.used);
g_string_append_printf(buf, "\tCEQ_CTXs : %" PRId32 "\n",
dev_res->cqe_ctx_tbl.used);
}
static inline void res_tbl_init(const char *name, RdmaRmResTbl *tbl,

2
hw/rdma/rdma_rm.h
View File

@ -92,6 +92,6 @@ static inline union ibv_gid *rdma_rm_get_gid(RdmaDeviceResources *dev_res,
{
return &dev_res->port.gid_tbl[sgid_idx].gid;
}
void rdma_dump_device_counters(Monitor *mon, RdmaDeviceResources *dev_res);
void rdma_format_device_counters(RdmaDeviceResources *dev_res, GString *buf);
#endif

31
hw/rdma/vmw/pvrdma_main.c
View File

@ -58,24 +58,25 @@ static Property pvrdma_dev_properties[] = {
DEFINE_PROP_END_OF_LIST(),
};
static void pvrdma_print_statistics(Monitor *mon, RdmaProvider *obj)
static void pvrdma_format_statistics(RdmaProvider *obj, GString *buf)
{
PVRDMADev *dev = PVRDMA_DEV(obj);
PCIDevice *pdev = PCI_DEVICE(dev);
monitor_printf(mon, "%s, %x.%x\n", pdev->name, PCI_SLOT(pdev->devfn),
PCI_FUNC(pdev->devfn));
monitor_printf(mon, "\tcommands : %" PRId64 "\n",
dev->stats.commands);
monitor_printf(mon, "\tregs_reads : %" PRId64 "\n",
dev->stats.regs_reads);
monitor_printf(mon, "\tregs_writes : %" PRId64 "\n",
dev->stats.regs_writes);
monitor_printf(mon, "\tuar_writes : %" PRId64 "\n",
dev->stats.uar_writes);
monitor_printf(mon, "\tinterrupts : %" PRId64 "\n",
dev->stats.interrupts);
rdma_dump_device_counters(mon, &dev->rdma_dev_res);
g_string_append_printf(buf, "%s, %x.%x\n",
pdev->name, PCI_SLOT(pdev->devfn),
PCI_FUNC(pdev->devfn));
g_string_append_printf(buf, "\tcommands : %" PRId64 "\n",
dev->stats.commands);
g_string_append_printf(buf, "\tregs_reads : %" PRId64 "\n",
dev->stats.regs_reads);
g_string_append_printf(buf, "\tregs_writes : %" PRId64 "\n",
dev->stats.regs_writes);
g_string_append_printf(buf, "\tuar_writes : %" PRId64 "\n",
dev->stats.uar_writes);
g_string_append_printf(buf, "\tinterrupts : %" PRId64 "\n",
dev->stats.interrupts);
rdma_format_device_counters(&dev->rdma_dev_res, buf);
}
static void free_dev_ring(PCIDevice *pci_dev, PvrdmaRing *ring,
@ -699,7 +700,7 @@ static void pvrdma_class_init(ObjectClass *klass, void *data)
device_class_set_props(dc, pvrdma_dev_properties);
set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
ir->print_statistics = pvrdma_print_statistics;
ir->format_statistics = pvrdma_format_statistics;
}
static const TypeInfo pvrdma_info = {

2
include/hw/rdma/rdma.h
View File

@ -31,7 +31,7 @@ typedef struct RdmaProvider RdmaProvider;
struct RdmaProviderClass {
InterfaceClass parent;
void (*print_statistics)(Monitor *mon, RdmaProvider *obj);
void (*format_statistics)(RdmaProvider *obj, GString *buf);
};
#endif

27
monitor/hmp-cmds.c
View File

@ -54,7 +54,6 @@
#include "qemu/error-report.h"
#include "exec/ramlist.h"
#include "hw/intc/intc.h"
#include "hw/rdma/rdma.h"
#include "migration/snapshot.h"
#include "migration/misc.h"
@ -850,32 +849,6 @@ void hmp_info_pic(Monitor *mon, const QDict *qdict)
hmp_info_pic_foreach, mon);
}
static int hmp_info_rdma_foreach(Object *obj, void *opaque)
{
RdmaProvider *rdma;
RdmaProviderClass *k;
Monitor *mon = opaque;
if (object_dynamic_cast(obj, INTERFACE_RDMA_PROVIDER)) {
rdma = RDMA_PROVIDER(obj);
k = RDMA_PROVIDER_GET_CLASS(obj);
if (k->print_statistics) {
k->print_statistics(mon, rdma);
} else {
monitor_printf(mon, "RDMA statistics not available for %s.\n",
object_get_typename(obj));
}
}
return 0;
}
void hmp_info_rdma(Monitor *mon, const QDict *qdict)
{
object_child_foreach_recursive(object_get_root(),
hmp_info_rdma_foreach, mon);
}
void hmp_info_pci(Monitor *mon, const QDict *qdict)
{
PciInfoList *info_list, *info;

32
monitor/qmp-cmds.c
View File

@ -40,6 +40,7 @@
#include "qapi/qmp/qerror.h"
#include "hw/mem/memory-device.h"
#include "hw/acpi/acpi_dev_interface.h"
#include "hw/rdma/rdma.h"
NameInfo *qmp_query_name(Error **errp)
{
@ -382,3 +383,34 @@ HumanReadableText *qmp_x_query_profile(Error **errp)
return NULL;
}
#endif
static int qmp_x_query_rdma_foreach(Object *obj, void *opaque)
{
RdmaProvider *rdma;
RdmaProviderClass *k;
GString *buf = opaque;
if (object_dynamic_cast(obj, INTERFACE_RDMA_PROVIDER)) {
rdma = RDMA_PROVIDER(obj);
k = RDMA_PROVIDER_GET_CLASS(obj);
if (k->format_statistics) {
k->format_statistics(rdma, buf);
} else {
g_string_append_printf(buf,
"RDMA statistics not available for %s.\n",
object_get_typename(obj));
}
}
return 0;
}
HumanReadableText *qmp_x_query_rdma(Error **errp)
{
g_autoptr(GString) buf = g_string_new("");
object_child_foreach_recursive(object_get_root(),
qmp_x_query_rdma_foreach, buf);
return human_readable_text_from_str(buf);
}

12
qapi/machine.json
View File

@ -1436,6 +1436,18 @@
{ 'command': 'x-query-profile',
'returns': 'HumanReadableText' }
##
# @x-query-rdma:
#
# Query RDMA state
#
# Returns: RDMA state
#
# Since: 6.2
##
{ 'command': 'x-query-rdma',
'returns': 'HumanReadableText' }
##
# @x-query-roms:
#