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Re: [PATCH] acpi/nvdimm: Define trace events for NVDIMM and substitute n
From: |
Igor Mammedov |
Subject: |
Re: [PATCH] acpi/nvdimm: Define trace events for NVDIMM and substitute nvdimm_debug() |
Date: |
Thu, 7 Jul 2022 11:21:01 +0200 |
On Mon, 4 Jul 2022 16:58:52 +0800
Robert Hoo <robert.hu@linux.intel.com> wrote:
> Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
> Reviewed-by: Jingqi Liu <jingqi.liu@intel.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
> ---
> This is separated from patch set
> https://lore.kernel.org/qemu-devel/20220616143542.3e049a13@redhat.com/
>
> hw/acpi/nvdimm.c | 35 ++++++++++++++++-------------------
> hw/acpi/trace-events | 13 +++++++++++++
> include/hw/mem/nvdimm.h | 8 --------
> 3 files changed, 29 insertions(+), 27 deletions(-)
>
> diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
> index 5f85b16327..31e46df0bd 100644
> --- a/hw/acpi/nvdimm.c
> +++ b/hw/acpi/nvdimm.c
> @@ -35,6 +35,7 @@
> #include "hw/nvram/fw_cfg.h"
> #include "hw/mem/nvdimm.h"
> #include "qemu/nvdimm-utils.h"
> +#include "trace.h"
>
> /*
> * define Byte Addressable Persistent Memory (PM) Region according to
> @@ -550,8 +551,8 @@ static void nvdimm_dsm_func_read_fit(NVDIMMState *state,
> NvdimmDsmIn *in,
>
> fit = fit_buf->fit;
>
> - nvdimm_debug("Read FIT: offset 0x%x FIT size 0x%x Dirty %s.\n",
> - read_fit->offset, fit->len, fit_buf->dirty ? "Yes" : "No");
> + trace_acpi_nvdimm_read_fit(read_fit->offset, fit->len,
> + fit_buf->dirty ? "Yes" : "No");
>
> if (read_fit->offset > fit->len) {
> func_ret_status = NVDIMM_DSM_RET_STATUS_INVALID;
> @@ -658,7 +659,7 @@ static void nvdimm_dsm_label_size(NVDIMMDevice *nvdimm,
> hwaddr dsm_mem_addr)
> label_size = nvdimm->label_size;
> mxfer = nvdimm_get_max_xfer_label_size();
>
> - nvdimm_debug("label_size 0x%x, max_xfer 0x%x.\n", label_size, mxfer);
> + trace_acpi_nvdimm_label_info(label_size, mxfer);
>
> label_size_out.func_ret_status =
> cpu_to_le32(NVDIMM_DSM_RET_STATUS_SUCCESS);
> label_size_out.label_size = cpu_to_le32(label_size);
> @@ -674,20 +675,18 @@ static uint32_t nvdimm_rw_label_data_check(NVDIMMDevice
> *nvdimm,
> uint32_t ret = NVDIMM_DSM_RET_STATUS_INVALID;
>
> if (offset + length < offset) {
> - nvdimm_debug("offset 0x%x + length 0x%x is overflow.\n", offset,
> - length);
> + trace_acpi_nvdimm_label_overflow(offset, length);
> return ret;
> }
>
> if (nvdimm->label_size < offset + length) {
> - nvdimm_debug("position 0x%x is beyond label data (len = %" PRIx64
> ").\n",
> - offset + length, nvdimm->label_size);
> + trace_acpi_nvdimm_label_oversize(offset + length,
> nvdimm->label_size);
> return ret;
> }
>
> if (length > nvdimm_get_max_xfer_label_size()) {
> - nvdimm_debug("length (0x%x) is larger than max_xfer (0x%x).\n",
> - length, nvdimm_get_max_xfer_label_size());
> + trace_acpi_nvdimm_label_xfer_exceed(length,
> +
> nvdimm_get_max_xfer_label_size());
> return ret;
> }
>
> @@ -710,8 +709,8 @@ static void nvdimm_dsm_get_label_data(NVDIMMDevice
> *nvdimm, NvdimmDsmIn *in,
> get_label_data->offset = le32_to_cpu(get_label_data->offset);
> get_label_data->length = le32_to_cpu(get_label_data->length);
>
> - nvdimm_debug("Read Label Data: offset 0x%x length 0x%x.\n",
> - get_label_data->offset, get_label_data->length);
> + trace_acpi_nvdimm_read_label(get_label_data->offset,
> + get_label_data->length);
>
> status = nvdimm_rw_label_data_check(nvdimm, get_label_data->offset,
> get_label_data->length);
> @@ -749,8 +748,8 @@ static void nvdimm_dsm_set_label_data(NVDIMMDevice
> *nvdimm, NvdimmDsmIn *in,
> set_label_data->offset = le32_to_cpu(set_label_data->offset);
> set_label_data->length = le32_to_cpu(set_label_data->length);
>
> - nvdimm_debug("Write Label Data: offset 0x%x length 0x%x.\n",
> - set_label_data->offset, set_label_data->length);
> + trace_acpi_nvdimm_write_label(set_label_data->offset,
> + set_label_data->length);
>
> status = nvdimm_rw_label_data_check(nvdimm, set_label_data->offset,
> set_label_data->length);
> @@ -821,7 +820,7 @@ static void nvdimm_dsm_device(NvdimmDsmIn *in, hwaddr
> dsm_mem_addr)
> static uint64_t
> nvdimm_dsm_read(void *opaque, hwaddr addr, unsigned size)
> {
> - nvdimm_debug("BUG: we never read _DSM IO Port.\n");
> + trace_acpi_nvdimm_read_io_port();
> return 0;
> }
>
> @@ -832,7 +831,7 @@ nvdimm_dsm_write(void *opaque, hwaddr addr, uint64_t val,
> unsigned size)
> NvdimmDsmIn *in;
> hwaddr dsm_mem_addr = val;
>
> - nvdimm_debug("dsm memory address 0x%" HWADDR_PRIx ".\n", dsm_mem_addr);
> + trace_acpi_nvdimm_dsm_mem_addr(dsm_mem_addr);
>
> /*
> * The DSM memory is mapped to guest address space so an evil guest
> @@ -846,12 +845,10 @@ nvdimm_dsm_write(void *opaque, hwaddr addr, uint64_t
> val, unsigned size)
> in->function = le32_to_cpu(in->function);
> in->handle = le32_to_cpu(in->handle);
>
> - nvdimm_debug("Revision 0x%x Handler 0x%x Function 0x%x.\n", in->revision,
> - in->handle, in->function);
> + trace_acpi_nvdimm_dsm_info(in->revision, in->handle, in->function);
>
> if (in->revision != 0x1 /* Currently we only support DSM Spec Rev1. */) {
> - nvdimm_debug("Revision 0x%x is not supported, expect 0x%x.\n",
> - in->revision, 0x1);
> + trace_acpi_nvdimm_invalid_revision(in->revision);
> nvdimm_dsm_no_payload(NVDIMM_DSM_RET_STATUS_UNSUPPORT, dsm_mem_addr);
> goto exit;
> }
> diff --git a/hw/acpi/trace-events b/hw/acpi/trace-events
> index 2250126a22..eb60b04f9b 100644
> --- a/hw/acpi/trace-events
> +++ b/hw/acpi/trace-events
> @@ -70,3 +70,16 @@ acpi_erst_reset_out(unsigned record_count) "record_count
> %u"
> acpi_erst_post_load(void *header, unsigned slot_size) "header: 0x%p
> slot_size %u"
> acpi_erst_class_init_in(void)
> acpi_erst_class_init_out(void)
> +
> +# nvdimm.c
> +acpi_nvdimm_read_fit(uint32_t offset, uint32_t len, const char *dirty) "Read
> FIT: offset 0x%" PRIx32 " FIT size 0x%" PRIx32 " Dirty %s"
> +acpi_nvdimm_label_info(uint32_t label_size, uint32_t mxfer) "label_size 0x%"
> PRIx32 ", max_xfer 0x%" PRIx32
> +acpi_nvdimm_label_overflow(uint32_t offset, uint32_t length) "offset 0x%"
> PRIx32 " + length 0x%" PRIx32 " is overflow"
> +acpi_nvdimm_label_oversize(uint32_t pos, uint64_t size) "position 0x%"
> PRIx32 " is beyond label data (len = %" PRIu64 ")"
> +acpi_nvdimm_label_xfer_exceed(uint32_t length, uint32_t max_xfer) "length
> (0x%" PRIx32 ") is larger than max_xfer (0x%" PRIx32 ")"
> +acpi_nvdimm_read_label(uint32_t offset, uint32_t length) "Read Label Data:
> offset 0x%" PRIx32 " length 0x%" PRIx32
> +acpi_nvdimm_write_label(uint32_t offset, uint32_t length) "Write Label Data:
> offset 0x%" PRIx32 " length 0x%" PRIx32
> +acpi_nvdimm_read_io_port(void) "Alert: we never read _DSM IO Port"
> +acpi_nvdimm_dsm_mem_addr(uint64_t dsm_mem_addr) "dsm memory address 0x%"
> PRIx64
> +acpi_nvdimm_dsm_info(uint32_t revision, uint32_t handle, uint32_t function)
> "Revision 0x%" PRIx32 " Handle 0x%" PRIx32 " Function 0x%" PRIx32
> +acpi_nvdimm_invalid_revision(uint32_t revision) "Revision 0x%" PRIx32 " is
> not supported, expect 0x1"
> diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h
> index cf8f59be44..acf887c83d 100644
> --- a/include/hw/mem/nvdimm.h
> +++ b/include/hw/mem/nvdimm.h
> @@ -29,14 +29,6 @@
> #include "hw/acpi/aml-build.h"
> #include "qom/object.h"
>
> -#define NVDIMM_DEBUG 0
> -#define nvdimm_debug(fmt, ...) \
> - do { \
> - if (NVDIMM_DEBUG) { \
> - fprintf(stderr, "nvdimm: " fmt, ## __VA_ARGS__); \
> - } \
> - } while (0)
> -
> /*
> * The minimum label data size is required by NVDIMM Namespace
> * specification, see the chapter 2 Namespaces:
>
> base-commit: e8e86b484eac70cd86e15fa10a2f0038a536cbba