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megasas: Decode register names

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To ease debugging we should be decoding
the register names.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Hannes Reinecke 2014-10-29 13:00:10 +01:00 committed by Paolo Bonzini
parent e74a43154d
commit 77bb6b1710
2 changed files with 22 additions and 5 deletions
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23
hw/scsi/megasas.c
View File

@ -1990,6 +1990,7 @@ static uint64_t megasas_mmio_read(void *opaque, hwaddr addr,
switch (addr) {
case MFI_IDB:
retval = 0;
trace_megasas_mmio_readl("MFI_IDB", retval);
break;
case MFI_OMSG0:
case MFI_OSP0:
@ -1997,29 +1998,35 @@ static uint64_t megasas_mmio_read(void *opaque, hwaddr addr,
(s->fw_state & MFI_FWSTATE_MASK) |
((s->fw_sge & 0xff) << 16) |
(s->fw_cmds & 0xFFFF);
trace_megasas_mmio_readl(addr == MFI_OMSG0 ? "MFI_OMSG0" : "MFI_OSP0",
retval);
break;
case MFI_OSTS:
if (megasas_intr_enabled(s) && s->doorbell) {
retval = base_class->osts;
}
trace_megasas_mmio_readl("MFI_OSTS", retval);
break;
case MFI_OMSK:
retval = s->intr_mask;
trace_megasas_mmio_readl("MFI_OMSK", retval);
break;
case MFI_ODCR0:
retval = s->doorbell;
trace_megasas_mmio_readl("MFI_ODCR0", retval);
break;
case MFI_DIAG:
retval = s->diag;
trace_megasas_mmio_readl("MFI_DIAG", retval);
break;
case MFI_OSP1:
retval = 15;
trace_megasas_mmio_readl("MFI_OSP1", retval);
break;
default:
trace_megasas_mmio_invalid_readl(addr);
break;
}
trace_megasas_mmio_readl(addr, retval);
return retval;
}
@ -2034,9 +2041,9 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
uint32_t frame_count;
int i;
trace_megasas_mmio_writel(addr, val);
switch (addr) {
case MFI_IDB:
trace_megasas_mmio_writel("MFI_IDB", val);
if (val & MFI_FWINIT_ABORT) {
/* Abort all pending cmds */
for (i = 0; i < s->fw_cmds; i++) {
@ -2056,6 +2063,7 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
}
break;
case MFI_OMSK:
trace_megasas_mmio_writel("MFI_OMSK", val);
s->intr_mask = val;
if (!megasas_intr_enabled(s) &&
!msi_enabled(pci_dev) &&
@ -2077,6 +2085,7 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
}
break;
case MFI_ODCR0:
trace_megasas_mmio_writel("MFI_ODCR0", val);
s->doorbell = 0;
if (s->producer_pa && megasas_intr_enabled(s)) {
/* Update reply queue pointer */
@ -2090,14 +2099,20 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
}
break;
case MFI_IQPH:
trace_megasas_mmio_writel("MFI_IQPH", val);
/* Received high 32 bits of a 64 bit MFI frame address */
s->frame_hi = val;
break;
case MFI_IQPL:
trace_megasas_mmio_writel("MFI_IQPL", val);
/* Received low 32 bits of a 64 bit MFI frame address */
/* Fallthrough */
case MFI_IQP:
/* Received 64 bit MFI frame address */
if (addr == MFI_IQP) {
trace_megasas_mmio_writel("MFI_IQP", val);
/* Received 64 bit MFI frame address */
s->frame_hi = 0;
}
frame_addr = (val & ~0x1F);
/* Add possible 64 bit offset */
frame_addr |= ((uint64_t)s->frame_hi << 32);
@ -2106,6 +2121,7 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
megasas_handle_frame(s, frame_addr, frame_count);
break;
case MFI_SEQ:
trace_megasas_mmio_writel("MFI_SEQ", val);
/* Magic sequence to start ADP reset */
if (adp_reset_seq[s->adp_reset] == val) {
s->adp_reset++;
@ -2118,6 +2134,7 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
}
break;
case MFI_DIAG:
trace_megasas_mmio_writel("MFI_DIAG", val);
/* ADP reset */
if ((s->diag & MFI_DIAG_WRITE_ENABLE) &&
(val & MFI_DIAG_RESET_ADP)) {

4
trace-events
View File

@ -764,9 +764,9 @@ megasas_intr_enabled(void) "Interrupts enabled"
megasas_intr_disabled(void) "Interrupts disabled"
megasas_msix_enabled(int vector) "vector %d"
megasas_msi_enabled(int vector) "vector %d"
megasas_mmio_readl(unsigned long addr, uint32_t val) "addr 0x%lx: 0x%x"
megasas_mmio_readl(const char *reg, uint32_t val) "reg %s: 0x%x"
megasas_mmio_invalid_readl(unsigned long addr) "addr 0x%lx"
megasas_mmio_writel(uint32_t addr, uint32_t val) "addr 0x%x: 0x%x"
megasas_mmio_writel(const char *reg, uint32_t val) "reg %s: 0x%x"
megasas_mmio_invalid_writel(uint32_t addr, uint32_t val) "addr 0x%x: 0x%x"
# hw/audio/milkymist-ac97.c