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Re: [PATCH v2 07/42] esp: add PDMA trace events
From: |
Laurent Vivier |
Subject: |
Re: [PATCH v2 07/42] esp: add PDMA trace events |
Date: |
Mon, 1 Mar 2021 21:32:29 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 |
Le 09/02/2021 à 20:29, Mark Cave-Ayland a écrit :
> This will become more useful later when trying to debug mixed FIFO and PDMA
> requests.
>
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> hw/scsi/esp.c | 6 ++++++
> hw/scsi/trace-events | 4 ++++
> 2 files changed, 10 insertions(+)
>
> diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
> index c36cb0f238..db2ea02549 100644
> --- a/hw/scsi/esp.c
> +++ b/hw/scsi/esp.c
> @@ -63,11 +63,13 @@ static void esp_lower_irq(ESPState *s)
> static void esp_raise_drq(ESPState *s)
> {
> qemu_irq_raise(s->irq_data);
> + trace_esp_raise_drq();
> }
>
> static void esp_lower_drq(ESPState *s)
> {
> qemu_irq_lower(s->irq_data);
> + trace_esp_lower_drq();
> }
>
> void esp_dma_enable(ESPState *s, int irq, int level)
> @@ -886,6 +888,8 @@ static void sysbus_esp_pdma_write(void *opaque, hwaddr
> addr,
> uint32_t dmalen;
> uint8_t *buf = get_pdma_buf(s);
>
> + trace_esp_pdma_write(size);
> +
> dmalen = s->rregs[ESP_TCLO];
> dmalen |= s->rregs[ESP_TCMID] << 8;
> dmalen |= s->rregs[ESP_TCHI] << 16;
> @@ -923,6 +927,8 @@ static uint64_t sysbus_esp_pdma_read(void *opaque, hwaddr
> addr,
> uint8_t *buf = get_pdma_buf(s);
> uint64_t val = 0;
>
> + trace_esp_pdma_read(size);
> +
> if (s->pdma_len == 0) {
> return 0;
> }
> diff --git a/hw/scsi/trace-events b/hw/scsi/trace-events
> index 762849c7b6..dff986a643 100644
> --- a/hw/scsi/trace-events
> +++ b/hw/scsi/trace-events
> @@ -159,8 +159,12 @@ esp_error_unhandled_command(uint32_t val) "unhandled
> command (0x%2.2x)"
> esp_error_invalid_write(uint32_t val, uint32_t addr) "invalid write of
> 0x%02x at [0x%x]"
> esp_raise_irq(void) "Raise IRQ"
> esp_lower_irq(void) "Lower IRQ"
> +esp_raise_drq(void) "Raise DREQ"
> +esp_lower_drq(void) "Lower DREQ"
> esp_dma_enable(void) "Raise enable"
> esp_dma_disable(void) "Lower enable"
> +esp_pdma_read(int size) "pDMA read %u bytes"
> +esp_pdma_write(int size) "pDMA write %u bytes"
> esp_get_cmd(uint32_t dmalen, int target) "len %d target %d"
> esp_do_busid_cmd(uint8_t busid) "busid 0x%x"
> esp_handle_satn_stop(uint32_t cmdlen) "cmdlen %d"
>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
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