| Message ID | 1518893216-9983-9-git-send-email-eric.auger@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | ARM SMMUv3 Emulation Support | expand |
On 17 February 2018 at 18:46, Eric Auger <eric.auger@redhat.com> wrote: > Let's introduce a helper function aiming at recording an > event in the event queue. > > Signed-off-by: Eric Auger <eric.auger@redhat.com> > > --- > > v8 -> v9: > - add SMMU_EVENT_STRING > > v7 -> v8: > - use dma_addr_t instead of hwaddr in smmuv3_record_event() > - introduce struct SMMUEventInfo > - add event_stringify + helpers for all fields > --- > hw/arm/smmuv3-internal.h | 140 ++++++++++++++++++++++++++++++++++++++++++++++- > hw/arm/smmuv3.c | 91 +++++++++++++++++++++++++++++- > hw/arm/trace-events | 1 + > 3 files changed, 229 insertions(+), 3 deletions(-) > > diff --git a/hw/arm/smmuv3-internal.h b/hw/arm/smmuv3-internal.h > index 5af97ae..3929f69 100644 > --- a/hw/arm/smmuv3-internal.h > +++ b/hw/arm/smmuv3-internal.h > @@ -226,8 +226,6 @@ static inline void smmu_write_cmdq_err(SMMUv3State *s, uint32_t err_type) > s->cmdq.cons = FIELD_DP32(s->cmdq.cons, CMDQ_CONS, ERR, err_type); > } > > -void smmuv3_write_eventq(SMMUv3State *s, Evt *evt); > - > /* Commands */ > > enum { > @@ -326,4 +324,142 @@ enum { /* Command completion notification */ > addr; \ > }) > > +/* Events */ > + > +typedef enum SMMUEventType { > + SMMU_EVT_OK = 0x00, > + SMMU_EVT_F_UUT = 0x01, > + SMMU_EVT_C_BAD_STREAMID = 0x02, > + SMMU_EVT_F_STE_FETCH = 0x03, > + SMMU_EVT_C_BAD_STE = 0x04, > + SMMU_EVT_F_BAD_ATS_TREQ = 0x05, > + SMMU_EVT_F_STREAM_DISABLED = 0x06, > + SMMU_EVT_F_TRANS_FORBIDDEN = 0x07, > + SMMU_EVT_C_BAD_SUBSTREAMID = 0x08, > + SMMU_EVT_F_CD_FETCH = 0x09, > + SMMU_EVT_C_BAD_CD = 0x0a, > + SMMU_EVT_F_WALK_EABT = 0x0b, > + SMMU_EVT_F_TRANSLATION = 0x10, > + SMMU_EVT_F_ADDR_SIZE = 0x11, > + SMMU_EVT_F_ACCESS = 0x12, > + SMMU_EVT_F_PERMISSION = 0x13, > + SMMU_EVT_F_TLB_CONFLICT = 0x20, > + SMMU_EVT_F_CFG_CONFLICT = 0x21, > + SMMU_EVT_E_PAGE_REQ = 0x24, > +} SMMUEventType; > + > +static const char *event_stringify[] = { > + [SMMU_EVT_OK] = "SMMU_EVT_OK", > + [SMMU_EVT_F_UUT] = "SMMU_EVT_F_UUT", > + [SMMU_EVT_C_BAD_STREAMID] = "SMMU_EVT_C_BAD_STREAMID", > + [SMMU_EVT_F_STE_FETCH] = "SMMU_EVT_F_STE_FETCH", > + [SMMU_EVT_C_BAD_STE] = "SMMU_EVT_C_BAD_STE", > + [SMMU_EVT_F_BAD_ATS_TREQ] = "SMMU_EVT_F_BAD_ATS_TREQ", > + [SMMU_EVT_F_STREAM_DISABLED] = "SMMU_EVT_F_STREAM_DISABLED", > + [SMMU_EVT_F_TRANS_FORBIDDEN] = "SMMU_EVT_F_TRANS_FORBIDDEN", > + [SMMU_EVT_C_BAD_SUBSTREAMID] = "SMMU_EVT_C_BAD_SUBSTREAMID", > + [SMMU_EVT_F_CD_FETCH] = "SMMU_EVT_F_CD_FETCH", > + [SMMU_EVT_C_BAD_CD] = "SMMU_EVT_C_BAD_CD", > + [SMMU_EVT_F_WALK_EABT] = "SMMU_EVT_F_WALK_EABT", > + [SMMU_EVT_F_TRANSLATION] = "SMMU_EVT_F_TRANSLATION", > + [SMMU_EVT_F_ADDR_SIZE] = "SMMU_EVT_F_ADDR_SIZE", > + [SMMU_EVT_F_ACCESS] = "SMMU_EVT_F_ACCESS", > + [SMMU_EVT_F_PERMISSION] = "SMMU_EVT_F_PERMISSION", > + [SMMU_EVT_F_TLB_CONFLICT] = "SMMU_EVT_F_TLB_CONFLICT", > + [SMMU_EVT_F_CFG_CONFLICT] = "SMMU_EVT_F_CFG_CONFLICT", > + [SMMU_EVT_E_PAGE_REQ] = "SMMU_EVT_E_PAGE_REQ", > +}; > + > +#define SMMU_EVENT_STRING(event) ( \ > +(event < ARRAY_SIZE(event_stringify)) ? event_stringify[event] : "UNKNOWN" \ > +) Same remarks as for the other value-to-string helper. > + > +typedef struct SMMUEventInfo { This struct could use a comment summmarizing what it's for. > + SMMUEventType type; > + uint32_t sid; > + bool recorded; > + bool record_trans_faults; > + union { > + struct { > + uint32_t ssid; > + bool ssv; > + dma_addr_t addr; > + bool rnw; > + bool pnu; > + bool ind; > + } f_uut; > + struct ssid_info { > + uint32_t ssid; > + bool ssv; > + } c_bad_streamid; > + struct ssid_addr_info { > + uint32_t ssid; > + bool ssv; > + dma_addr_t addr; > + } f_ste_fetch; > + struct ssid_info c_bad_ste; > + struct { > + dma_addr_t addr; > + bool rnw; > + } f_transl_forbidden; > + struct { > + uint32_t ssid; > + } c_bad_substream; > + struct ssid_addr_info f_cd_fetch; > + struct ssid_info c_bad_cd; > + struct full_info { > + bool stall; > + uint16_t stag; > + uint32_t ssid; > + bool ssv; > + bool s2; > + dma_addr_t addr; > + bool rnw; > + bool pnu; > + bool ind; > + uint8_t class; > + dma_addr_t addr2; > + } f_walk_eabt; > + struct full_info f_translation; > + struct full_info f_addr_size; > + struct full_info f_access; > + struct full_info f_permission; > + struct ssid_info f_cfg_conflict; > + /** > + * not supported yet: > + * F_BAD_ATS_TREQ > + * F_BAD_ATS_TREQ > + * F_TLB_CONFLICT > + * E_PAGE_REQUEST > + * IMPDEF_EVENTn > + */ > + } u; > +} SMMUEventInfo; > + > +/* EVTQ fields */ > + > +#define EVT_Q_OVERFLOW (1 << 31) > + > +#define EVT_SET_TYPE(x, v) deposit32((x)->word[0], 0 , 8 , v) > +#define EVT_SET_SSV(x, v) deposit32((x)->word[0], 11, 1 , v) > +#define EVT_SET_SSID(x, v) deposit32((x)->word[0], 12, 20, v) > +#define EVT_SET_SID(x, v) ((x)->word[1] = v) > +#define EVT_SET_STAG(x, v) deposit32((x)->word[2], 0 , 16, v) > +#define EVT_SET_STALL(x, v) deposit32((x)->word[2], 31, 1 , v) > +#define EVT_SET_PNU(x, v) deposit32((x)->word[3], 1 , 1 , v) > +#define EVT_SET_IND(x, v) deposit32((x)->word[3], 2 , 1 , v) > +#define EVT_SET_RNW(x, v) deposit32((x)->word[3], 3 , 1 , v) > +#define EVT_SET_S2(x, v) deposit32((x)->word[3], 7 , 1 , v) > +#define EVT_SET_CLASS(x, v) deposit32((x)->word[3], 8 , 2 , v) > +#define EVT_SET_ADDR(x, addr) ({ \ > + (x)->word[5] = (uint32_t)(addr >> 32); \ > + (x)->word[4] = (uint32_t)(addr & 0xffffffff); \ > + }) > +#define EVT_SET_ADDR2(x, addr) ({ \ > + deposit32((x)->word[7], 3, 29, addr >> 16); \ > + deposit32((x)->word[7], 0, 16, addr & 0xffff); \ > + }) > + > +void smmuv3_record_event(SMMUv3State *s, SMMUEventInfo *event); > + > #endif > diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c > index fcfdbb0..0adfe53 100644 > --- a/hw/arm/smmuv3.c > +++ b/hw/arm/smmuv3.c > @@ -140,7 +140,7 @@ static void queue_write(SMMUQueue *q, void *data) > queue_prod_incr(q); > } > > -void smmuv3_write_eventq(SMMUv3State *s, Evt *evt) > +static void smmuv3_write_eventq(SMMUv3State *s, Evt *evt) > { > SMMUQueue *q = &s->eventq; > bool q_empty = Q_EMPTY(q); > @@ -161,6 +161,95 @@ void smmuv3_write_eventq(SMMUv3State *s, Evt *evt) > } > } > > +void smmuv3_record_event(SMMUv3State *s, SMMUEventInfo *info) > +{ > + Evt evt; > + > + if (!SMMUV3_EVENTQ_ENABLED(s)) { > + return; > + } > + > + EVT_SET_TYPE(&evt, info->type); > + EVT_SET_SID(&evt, info->sid); > + > + switch (info->type) { > + case SMMU_EVT_OK: > + return; > + case SMMU_EVT_F_UUT: > + EVT_SET_SSID(&evt, info->u.f_uut.ssid); > + EVT_SET_SSV(&evt, info->u.f_uut.ssv); > + EVT_SET_ADDR(&evt, info->u.f_uut.addr); > + EVT_SET_RNW(&evt, info->u.f_uut.rnw); > + EVT_SET_PNU(&evt, info->u.f_uut.pnu); > + EVT_SET_IND(&evt, info->u.f_uut.ind); > + break; > + case SMMU_EVT_C_BAD_STREAMID: > + EVT_SET_SSID(&evt, info->u.c_bad_streamid.ssid); > + EVT_SET_SSV(&evt, info->u.c_bad_streamid.ssv); > + break; > + case SMMU_EVT_F_STE_FETCH: > + EVT_SET_SSID(&evt, info->u.f_ste_fetch.ssid); > + EVT_SET_SSV(&evt, info->u.f_ste_fetch.ssv); > + EVT_SET_ADDR(&evt, info->u.f_ste_fetch.addr); > + break; > + case SMMU_EVT_C_BAD_STE: > + EVT_SET_SSID(&evt, info->u.c_bad_ste.ssid); > + EVT_SET_SSV(&evt, info->u.c_bad_ste.ssv); > + break; > + case SMMU_EVT_F_STREAM_DISABLED: > + break; > + case SMMU_EVT_F_TRANS_FORBIDDEN: > + EVT_SET_ADDR(&evt, info->u.f_transl_forbidden.addr); > + EVT_SET_RNW(&evt, info->u.f_transl_forbidden.rnw); > + break; > + case SMMU_EVT_C_BAD_SUBSTREAMID: > + EVT_SET_SSID(&evt, info->u.c_bad_substream.ssid); > + break; > + case SMMU_EVT_F_CD_FETCH: > + EVT_SET_SSID(&evt, info->u.f_cd_fetch.ssid); > + EVT_SET_SSV(&evt, info->u.f_cd_fetch.ssv); > + EVT_SET_ADDR(&evt, info->u.f_cd_fetch.addr); > + break; > + case SMMU_EVT_C_BAD_CD: > + EVT_SET_SSID(&evt, info->u.c_bad_cd.ssid); > + EVT_SET_SSV(&evt, info->u.c_bad_cd.ssv); > + break; > + case SMMU_EVT_F_WALK_EABT: > + case SMMU_EVT_F_TRANSLATION: > + case SMMU_EVT_F_ADDR_SIZE: > + case SMMU_EVT_F_ACCESS: > + case SMMU_EVT_F_PERMISSION: > + EVT_SET_STALL(&evt, info->u.f_walk_eabt.stall); > + EVT_SET_STAG(&evt, info->u.f_walk_eabt.stag); > + EVT_SET_SSID(&evt, info->u.f_walk_eabt.ssid); > + EVT_SET_SSV(&evt, info->u.f_walk_eabt.ssv); > + EVT_SET_S2(&evt, info->u.f_walk_eabt.s2); > + EVT_SET_ADDR(&evt, info->u.f_walk_eabt.addr); > + EVT_SET_RNW(&evt, info->u.f_walk_eabt.rnw); > + EVT_SET_PNU(&evt, info->u.f_walk_eabt.pnu); > + EVT_SET_IND(&evt, info->u.f_walk_eabt.ind); > + EVT_SET_CLASS(&evt, info->u.f_walk_eabt.class); > + EVT_SET_ADDR2(&evt, info->u.f_walk_eabt.addr2); > + break; > + case SMMU_EVT_F_CFG_CONFLICT: > + EVT_SET_SSID(&evt, info->u.f_cfg_conflict.ssid); > + EVT_SET_SSV(&evt, info->u.f_cfg_conflict.ssv); > + break; > + /* rest is not implemented */ > + case SMMU_EVT_F_BAD_ATS_TREQ: > + case SMMU_EVT_F_TLB_CONFLICT: > + case SMMU_EVT_E_PAGE_REQ: > + default: > + error_report("%s event %d not supported", __func__, > + info->type); Not error_report, please. > + return; > + } > + > + trace_smmuv3_record_event(SMMU_EVENT_STRING(info->type), info->sid); > + smmuv3_write_eventq(s, &evt); This should be handling the "oops, the write to memory failed" case. > + info->recorded = true; > +} > + > static void smmuv3_init_regs(SMMUv3State *s) > { > /** > diff --git a/hw/arm/trace-events b/hw/arm/trace-events > index ed5dce0..c79c15e 100644 > --- a/hw/arm/trace-events > +++ b/hw/arm/trace-events > @@ -28,3 +28,4 @@ smmuv3_write_mmio(hwaddr addr, uint64_t val, unsigned size) "addr: 0x%"PRIx64" v > smmuv3_write_mmio_idr(hwaddr addr, uint64_t val) "write to RO/Unimpl reg 0x%lx val64:0x%lx" > smmuv3_write_mmio_evtq_cons_bef_clear(uint32_t prod, uint32_t cons, uint8_t prod_wrap, uint8_t cons_wrap) "Before clearing interrupt prod:0x%x cons:0x%x prod.w:%d cons.w:%d" > smmuv3_write_mmio_evtq_cons_after_clear(uint32_t prod, uint32_t cons, uint8_t prod_wrap, uint8_t cons_wrap) "after clearing interrupt prod:0x%x cons:0x%x prod.w:%d cons.w:%d" > +smmuv3_record_event(const char *type, uint32_t sid) "%s sid=%d" > -- thanks -- PMM
Hi Peter, On 08/03/18 19:39, Peter Maydell wrote: > On 17 February 2018 at 18:46, Eric Auger <eric.auger@redhat.com> wrote: >> Let's introduce a helper function aiming at recording an >> event in the event queue. >> >> Signed-off-by: Eric Auger <eric.auger@redhat.com> >> >> --- >> >> v8 -> v9: >> - add SMMU_EVENT_STRING >> >> v7 -> v8: >> - use dma_addr_t instead of hwaddr in smmuv3_record_event() >> - introduce struct SMMUEventInfo >> - add event_stringify + helpers for all fields >> --- >> hw/arm/smmuv3-internal.h | 140 ++++++++++++++++++++++++++++++++++++++++++++++- >> hw/arm/smmuv3.c | 91 +++++++++++++++++++++++++++++- >> hw/arm/trace-events | 1 + >> 3 files changed, 229 insertions(+), 3 deletions(-) >> >> diff --git a/hw/arm/smmuv3-internal.h b/hw/arm/smmuv3-internal.h >> index 5af97ae..3929f69 100644 >> --- a/hw/arm/smmuv3-internal.h >> +++ b/hw/arm/smmuv3-internal.h >> @@ -226,8 +226,6 @@ static inline void smmu_write_cmdq_err(SMMUv3State *s, uint32_t err_type) >> s->cmdq.cons = FIELD_DP32(s->cmdq.cons, CMDQ_CONS, ERR, err_type); >> } >> >> -void smmuv3_write_eventq(SMMUv3State *s, Evt *evt); >> - >> /* Commands */ >> >> enum { >> @@ -326,4 +324,142 @@ enum { /* Command completion notification */ >> addr; \ >> }) >> >> +/* Events */ >> + >> +typedef enum SMMUEventType { >> + SMMU_EVT_OK = 0x00, >> + SMMU_EVT_F_UUT = 0x01, >> + SMMU_EVT_C_BAD_STREAMID = 0x02, >> + SMMU_EVT_F_STE_FETCH = 0x03, >> + SMMU_EVT_C_BAD_STE = 0x04, >> + SMMU_EVT_F_BAD_ATS_TREQ = 0x05, >> + SMMU_EVT_F_STREAM_DISABLED = 0x06, >> + SMMU_EVT_F_TRANS_FORBIDDEN = 0x07, >> + SMMU_EVT_C_BAD_SUBSTREAMID = 0x08, >> + SMMU_EVT_F_CD_FETCH = 0x09, >> + SMMU_EVT_C_BAD_CD = 0x0a, >> + SMMU_EVT_F_WALK_EABT = 0x0b, >> + SMMU_EVT_F_TRANSLATION = 0x10, >> + SMMU_EVT_F_ADDR_SIZE = 0x11, >> + SMMU_EVT_F_ACCESS = 0x12, >> + SMMU_EVT_F_PERMISSION = 0x13, >> + SMMU_EVT_F_TLB_CONFLICT = 0x20, >> + SMMU_EVT_F_CFG_CONFLICT = 0x21, >> + SMMU_EVT_E_PAGE_REQ = 0x24, >> +} SMMUEventType; >> + >> +static const char *event_stringify[] = { >> + [SMMU_EVT_OK] = "SMMU_EVT_OK", >> + [SMMU_EVT_F_UUT] = "SMMU_EVT_F_UUT", >> + [SMMU_EVT_C_BAD_STREAMID] = "SMMU_EVT_C_BAD_STREAMID", >> + [SMMU_EVT_F_STE_FETCH] = "SMMU_EVT_F_STE_FETCH", >> + [SMMU_EVT_C_BAD_STE] = "SMMU_EVT_C_BAD_STE", >> + [SMMU_EVT_F_BAD_ATS_TREQ] = "SMMU_EVT_F_BAD_ATS_TREQ", >> + [SMMU_EVT_F_STREAM_DISABLED] = "SMMU_EVT_F_STREAM_DISABLED", >> + [SMMU_EVT_F_TRANS_FORBIDDEN] = "SMMU_EVT_F_TRANS_FORBIDDEN", >> + [SMMU_EVT_C_BAD_SUBSTREAMID] = "SMMU_EVT_C_BAD_SUBSTREAMID", >> + [SMMU_EVT_F_CD_FETCH] = "SMMU_EVT_F_CD_FETCH", >> + [SMMU_EVT_C_BAD_CD] = "SMMU_EVT_C_BAD_CD", >> + [SMMU_EVT_F_WALK_EABT] = "SMMU_EVT_F_WALK_EABT", >> + [SMMU_EVT_F_TRANSLATION] = "SMMU_EVT_F_TRANSLATION", >> + [SMMU_EVT_F_ADDR_SIZE] = "SMMU_EVT_F_ADDR_SIZE", >> + [SMMU_EVT_F_ACCESS] = "SMMU_EVT_F_ACCESS", >> + [SMMU_EVT_F_PERMISSION] = "SMMU_EVT_F_PERMISSION", >> + [SMMU_EVT_F_TLB_CONFLICT] = "SMMU_EVT_F_TLB_CONFLICT", >> + [SMMU_EVT_F_CFG_CONFLICT] = "SMMU_EVT_F_CFG_CONFLICT", >> + [SMMU_EVT_E_PAGE_REQ] = "SMMU_EVT_E_PAGE_REQ", >> +}; >> + >> +#define SMMU_EVENT_STRING(event) ( \ >> +(event < ARRAY_SIZE(event_stringify)) ? event_stringify[event] : "UNKNOWN" \ >> +) > > Same remarks as for the other value-to-string helper. OK > >> + >> +typedef struct SMMUEventInfo { > > This struct could use a comment summmarizing what it's for. OK > >> + SMMUEventType type; >> + uint32_t sid; >> + bool recorded; >> + bool record_trans_faults; >> + union { >> + struct { >> + uint32_t ssid; >> + bool ssv; >> + dma_addr_t addr; >> + bool rnw; >> + bool pnu; >> + bool ind; >> + } f_uut; >> + struct ssid_info { >> + uint32_t ssid; >> + bool ssv; >> + } c_bad_streamid; >> + struct ssid_addr_info { >> + uint32_t ssid; >> + bool ssv; >> + dma_addr_t addr; >> + } f_ste_fetch; >> + struct ssid_info c_bad_ste; >> + struct { >> + dma_addr_t addr; >> + bool rnw; >> + } f_transl_forbidden; >> + struct { >> + uint32_t ssid; >> + } c_bad_substream; >> + struct ssid_addr_info f_cd_fetch; >> + struct ssid_info c_bad_cd; >> + struct full_info { >> + bool stall; >> + uint16_t stag; >> + uint32_t ssid; >> + bool ssv; >> + bool s2; >> + dma_addr_t addr; >> + bool rnw; >> + bool pnu; >> + bool ind; >> + uint8_t class; >> + dma_addr_t addr2; >> + } f_walk_eabt; >> + struct full_info f_translation; >> + struct full_info f_addr_size; >> + struct full_info f_access; >> + struct full_info f_permission; >> + struct ssid_info f_cfg_conflict; >> + /** >> + * not supported yet: >> + * F_BAD_ATS_TREQ >> + * F_BAD_ATS_TREQ >> + * F_TLB_CONFLICT >> + * E_PAGE_REQUEST >> + * IMPDEF_EVENTn >> + */ >> + } u; >> +} SMMUEventInfo; >> + >> +/* EVTQ fields */ >> + >> +#define EVT_Q_OVERFLOW (1 << 31) >> + >> +#define EVT_SET_TYPE(x, v) deposit32((x)->word[0], 0 , 8 , v) >> +#define EVT_SET_SSV(x, v) deposit32((x)->word[0], 11, 1 , v) >> +#define EVT_SET_SSID(x, v) deposit32((x)->word[0], 12, 20, v) >> +#define EVT_SET_SID(x, v) ((x)->word[1] = v) >> +#define EVT_SET_STAG(x, v) deposit32((x)->word[2], 0 , 16, v) >> +#define EVT_SET_STALL(x, v) deposit32((x)->word[2], 31, 1 , v) >> +#define EVT_SET_PNU(x, v) deposit32((x)->word[3], 1 , 1 , v) >> +#define EVT_SET_IND(x, v) deposit32((x)->word[3], 2 , 1 , v) >> +#define EVT_SET_RNW(x, v) deposit32((x)->word[3], 3 , 1 , v) >> +#define EVT_SET_S2(x, v) deposit32((x)->word[3], 7 , 1 , v) >> +#define EVT_SET_CLASS(x, v) deposit32((x)->word[3], 8 , 2 , v) >> +#define EVT_SET_ADDR(x, addr) ({ \ >> + (x)->word[5] = (uint32_t)(addr >> 32); \ >> + (x)->word[4] = (uint32_t)(addr & 0xffffffff); \ >> + }) >> +#define EVT_SET_ADDR2(x, addr) ({ \ >> + deposit32((x)->word[7], 3, 29, addr >> 16); \ >> + deposit32((x)->word[7], 0, 16, addr & 0xffff); \ >> + }) >> + >> +void smmuv3_record_event(SMMUv3State *s, SMMUEventInfo *event); >> + >> #endif >> diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c >> index fcfdbb0..0adfe53 100644 >> --- a/hw/arm/smmuv3.c >> +++ b/hw/arm/smmuv3.c >> @@ -140,7 +140,7 @@ static void queue_write(SMMUQueue *q, void *data) >> queue_prod_incr(q); >> } >> >> -void smmuv3_write_eventq(SMMUv3State *s, Evt *evt) >> +static void smmuv3_write_eventq(SMMUv3State *s, Evt *evt) >> { >> SMMUQueue *q = &s->eventq; >> bool q_empty = Q_EMPTY(q); >> @@ -161,6 +161,95 @@ void smmuv3_write_eventq(SMMUv3State *s, Evt *evt) >> } >> } >> >> +void smmuv3_record_event(SMMUv3State *s, SMMUEventInfo *info) >> +{ >> + Evt evt; >> + >> + if (!SMMUV3_EVENTQ_ENABLED(s)) { >> + return; >> + } >> + >> + EVT_SET_TYPE(&evt, info->type); >> + EVT_SET_SID(&evt, info->sid); >> + >> + switch (info->type) { >> + case SMMU_EVT_OK: >> + return; >> + case SMMU_EVT_F_UUT: >> + EVT_SET_SSID(&evt, info->u.f_uut.ssid); >> + EVT_SET_SSV(&evt, info->u.f_uut.ssv); >> + EVT_SET_ADDR(&evt, info->u.f_uut.addr); >> + EVT_SET_RNW(&evt, info->u.f_uut.rnw); >> + EVT_SET_PNU(&evt, info->u.f_uut.pnu); >> + EVT_SET_IND(&evt, info->u.f_uut.ind); >> + break; >> + case SMMU_EVT_C_BAD_STREAMID: >> + EVT_SET_SSID(&evt, info->u.c_bad_streamid.ssid); >> + EVT_SET_SSV(&evt, info->u.c_bad_streamid.ssv); >> + break; >> + case SMMU_EVT_F_STE_FETCH: >> + EVT_SET_SSID(&evt, info->u.f_ste_fetch.ssid); >> + EVT_SET_SSV(&evt, info->u.f_ste_fetch.ssv); >> + EVT_SET_ADDR(&evt, info->u.f_ste_fetch.addr); >> + break; >> + case SMMU_EVT_C_BAD_STE: >> + EVT_SET_SSID(&evt, info->u.c_bad_ste.ssid); >> + EVT_SET_SSV(&evt, info->u.c_bad_ste.ssv); >> + break; >> + case SMMU_EVT_F_STREAM_DISABLED: >> + break; >> + case SMMU_EVT_F_TRANS_FORBIDDEN: >> + EVT_SET_ADDR(&evt, info->u.f_transl_forbidden.addr); >> + EVT_SET_RNW(&evt, info->u.f_transl_forbidden.rnw); >> + break; >> + case SMMU_EVT_C_BAD_SUBSTREAMID: >> + EVT_SET_SSID(&evt, info->u.c_bad_substream.ssid); >> + break; >> + case SMMU_EVT_F_CD_FETCH: >> + EVT_SET_SSID(&evt, info->u.f_cd_fetch.ssid); >> + EVT_SET_SSV(&evt, info->u.f_cd_fetch.ssv); >> + EVT_SET_ADDR(&evt, info->u.f_cd_fetch.addr); >> + break; >> + case SMMU_EVT_C_BAD_CD: >> + EVT_SET_SSID(&evt, info->u.c_bad_cd.ssid); >> + EVT_SET_SSV(&evt, info->u.c_bad_cd.ssv); >> + break; >> + case SMMU_EVT_F_WALK_EABT: >> + case SMMU_EVT_F_TRANSLATION: >> + case SMMU_EVT_F_ADDR_SIZE: >> + case SMMU_EVT_F_ACCESS: >> + case SMMU_EVT_F_PERMISSION: >> + EVT_SET_STALL(&evt, info->u.f_walk_eabt.stall); >> + EVT_SET_STAG(&evt, info->u.f_walk_eabt.stag); >> + EVT_SET_SSID(&evt, info->u.f_walk_eabt.ssid); >> + EVT_SET_SSV(&evt, info->u.f_walk_eabt.ssv); >> + EVT_SET_S2(&evt, info->u.f_walk_eabt.s2); >> + EVT_SET_ADDR(&evt, info->u.f_walk_eabt.addr); >> + EVT_SET_RNW(&evt, info->u.f_walk_eabt.rnw); >> + EVT_SET_PNU(&evt, info->u.f_walk_eabt.pnu); >> + EVT_SET_IND(&evt, info->u.f_walk_eabt.ind); >> + EVT_SET_CLASS(&evt, info->u.f_walk_eabt.class); >> + EVT_SET_ADDR2(&evt, info->u.f_walk_eabt.addr2); >> + break; >> + case SMMU_EVT_F_CFG_CONFLICT: >> + EVT_SET_SSID(&evt, info->u.f_cfg_conflict.ssid); >> + EVT_SET_SSV(&evt, info->u.f_cfg_conflict.ssv); >> + break; >> + /* rest is not implemented */ >> + case SMMU_EVT_F_BAD_ATS_TREQ: >> + case SMMU_EVT_F_TLB_CONFLICT: >> + case SMMU_EVT_E_PAGE_REQ: >> + default: >> + error_report("%s event %d not supported", __func__, >> + info->type); > > Not error_report, please. replaced by g_assert_not_reached(); > >> + return; >> + } >> + >> + trace_smmuv3_record_event(SMMU_EVENT_STRING(info->type), info->sid); >> + smmuv3_write_eventq(s, &evt); > > This should be handling the "oops, the write to memory failed" case. OK Thanks Eric > >> + info->recorded = true; >> +} >> + >> static void smmuv3_init_regs(SMMUv3State *s) >> { >> /** >> diff --git a/hw/arm/trace-events b/hw/arm/trace-events >> index ed5dce0..c79c15e 100644 >> --- a/hw/arm/trace-events >> +++ b/hw/arm/trace-events >> @@ -28,3 +28,4 @@ smmuv3_write_mmio(hwaddr addr, uint64_t val, unsigned size) "addr: 0x%"PRIx64" v >> smmuv3_write_mmio_idr(hwaddr addr, uint64_t val) "write to RO/Unimpl reg 0x%lx val64:0x%lx" >> smmuv3_write_mmio_evtq_cons_bef_clear(uint32_t prod, uint32_t cons, uint8_t prod_wrap, uint8_t cons_wrap) "Before clearing interrupt prod:0x%x cons:0x%x prod.w:%d cons.w:%d" >> smmuv3_write_mmio_evtq_cons_after_clear(uint32_t prod, uint32_t cons, uint8_t prod_wrap, uint8_t cons_wrap) "after clearing interrupt prod:0x%x cons:0x%x prod.w:%d cons.w:%d" >> +smmuv3_record_event(const char *type, uint32_t sid) "%s sid=%d" >> -- > > thanks > -- PMM >
diff --git a/hw/arm/smmuv3-internal.h b/hw/arm/smmuv3-internal.h index 5af97ae..3929f69 100644 --- a/hw/arm/smmuv3-internal.h +++ b/hw/arm/smmuv3-internal.h @@ -226,8 +226,6 @@ static inline void smmu_write_cmdq_err(SMMUv3State *s, uint32_t err_type) s->cmdq.cons = FIELD_DP32(s->cmdq.cons, CMDQ_CONS, ERR, err_type); } -void smmuv3_write_eventq(SMMUv3State *s, Evt *evt); - /* Commands */ enum { @@ -326,4 +324,142 @@ enum { /* Command completion notification */ addr; \ }) +/* Events */ + +typedef enum SMMUEventType { + SMMU_EVT_OK = 0x00, + SMMU_EVT_F_UUT = 0x01, + SMMU_EVT_C_BAD_STREAMID = 0x02, + SMMU_EVT_F_STE_FETCH = 0x03, + SMMU_EVT_C_BAD_STE = 0x04, + SMMU_EVT_F_BAD_ATS_TREQ = 0x05, + SMMU_EVT_F_STREAM_DISABLED = 0x06, + SMMU_EVT_F_TRANS_FORBIDDEN = 0x07, + SMMU_EVT_C_BAD_SUBSTREAMID = 0x08, + SMMU_EVT_F_CD_FETCH = 0x09, + SMMU_EVT_C_BAD_CD = 0x0a, + SMMU_EVT_F_WALK_EABT = 0x0b, + SMMU_EVT_F_TRANSLATION = 0x10, + SMMU_EVT_F_ADDR_SIZE = 0x11, + SMMU_EVT_F_ACCESS = 0x12, + SMMU_EVT_F_PERMISSION = 0x13, + SMMU_EVT_F_TLB_CONFLICT = 0x20, + SMMU_EVT_F_CFG_CONFLICT = 0x21, + SMMU_EVT_E_PAGE_REQ = 0x24, +} SMMUEventType; + +static const char *event_stringify[] = { + [SMMU_EVT_OK] = "SMMU_EVT_OK", + [SMMU_EVT_F_UUT] = "SMMU_EVT_F_UUT", + [SMMU_EVT_C_BAD_STREAMID] = "SMMU_EVT_C_BAD_STREAMID", + [SMMU_EVT_F_STE_FETCH] = "SMMU_EVT_F_STE_FETCH", + [SMMU_EVT_C_BAD_STE] = "SMMU_EVT_C_BAD_STE", + [SMMU_EVT_F_BAD_ATS_TREQ] = "SMMU_EVT_F_BAD_ATS_TREQ", + [SMMU_EVT_F_STREAM_DISABLED] = "SMMU_EVT_F_STREAM_DISABLED", + [SMMU_EVT_F_TRANS_FORBIDDEN] = "SMMU_EVT_F_TRANS_FORBIDDEN", + [SMMU_EVT_C_BAD_SUBSTREAMID] = "SMMU_EVT_C_BAD_SUBSTREAMID", + [SMMU_EVT_F_CD_FETCH] = "SMMU_EVT_F_CD_FETCH", + [SMMU_EVT_C_BAD_CD] = "SMMU_EVT_C_BAD_CD", + [SMMU_EVT_F_WALK_EABT] = "SMMU_EVT_F_WALK_EABT", + [SMMU_EVT_F_TRANSLATION] = "SMMU_EVT_F_TRANSLATION", + [SMMU_EVT_F_ADDR_SIZE] = "SMMU_EVT_F_ADDR_SIZE", + [SMMU_EVT_F_ACCESS] = "SMMU_EVT_F_ACCESS", + [SMMU_EVT_F_PERMISSION] = "SMMU_EVT_F_PERMISSION", + [SMMU_EVT_F_TLB_CONFLICT] = "SMMU_EVT_F_TLB_CONFLICT", + [SMMU_EVT_F_CFG_CONFLICT] = "SMMU_EVT_F_CFG_CONFLICT", + [SMMU_EVT_E_PAGE_REQ] = "SMMU_EVT_E_PAGE_REQ", +}; + +#define SMMU_EVENT_STRING(event) ( \ +(event < ARRAY_SIZE(event_stringify)) ? event_stringify[event] : "UNKNOWN" \ +) + +typedef struct SMMUEventInfo { + SMMUEventType type; + uint32_t sid; + bool recorded; + bool record_trans_faults; + union { + struct { + uint32_t ssid; + bool ssv; + dma_addr_t addr; + bool rnw; + bool pnu; + bool ind; + } f_uut; + struct ssid_info { + uint32_t ssid; + bool ssv; + } c_bad_streamid; + struct ssid_addr_info { + uint32_t ssid; + bool ssv; + dma_addr_t addr; + } f_ste_fetch; + struct ssid_info c_bad_ste; + struct { + dma_addr_t addr; + bool rnw; + } f_transl_forbidden; + struct { + uint32_t ssid; + } c_bad_substream; + struct ssid_addr_info f_cd_fetch; + struct ssid_info c_bad_cd; + struct full_info { + bool stall; + uint16_t stag; + uint32_t ssid; + bool ssv; + bool s2; + dma_addr_t addr; + bool rnw; + bool pnu; + bool ind; + uint8_t class; + dma_addr_t addr2; + } f_walk_eabt; + struct full_info f_translation; + struct full_info f_addr_size; + struct full_info f_access; + struct full_info f_permission; + struct ssid_info f_cfg_conflict; + /** + * not supported yet: + * F_BAD_ATS_TREQ + * F_BAD_ATS_TREQ + * F_TLB_CONFLICT + * E_PAGE_REQUEST + * IMPDEF_EVENTn + */ + } u; +} SMMUEventInfo; + +/* EVTQ fields */ + +#define EVT_Q_OVERFLOW (1 << 31) + +#define EVT_SET_TYPE(x, v) deposit32((x)->word[0], 0 , 8 , v) +#define EVT_SET_SSV(x, v) deposit32((x)->word[0], 11, 1 , v) +#define EVT_SET_SSID(x, v) deposit32((x)->word[0], 12, 20, v) +#define EVT_SET_SID(x, v) ((x)->word[1] = v) +#define EVT_SET_STAG(x, v) deposit32((x)->word[2], 0 , 16, v) +#define EVT_SET_STALL(x, v) deposit32((x)->word[2], 31, 1 , v) +#define EVT_SET_PNU(x, v) deposit32((x)->word[3], 1 , 1 , v) +#define EVT_SET_IND(x, v) deposit32((x)->word[3], 2 , 1 , v) +#define EVT_SET_RNW(x, v) deposit32((x)->word[3], 3 , 1 , v) +#define EVT_SET_S2(x, v) deposit32((x)->word[3], 7 , 1 , v) +#define EVT_SET_CLASS(x, v) deposit32((x)->word[3], 8 , 2 , v) +#define EVT_SET_ADDR(x, addr) ({ \ + (x)->word[5] = (uint32_t)(addr >> 32); \ + (x)->word[4] = (uint32_t)(addr & 0xffffffff); \ + }) +#define EVT_SET_ADDR2(x, addr) ({ \ + deposit32((x)->word[7], 3, 29, addr >> 16); \ + deposit32((x)->word[7], 0, 16, addr & 0xffff); \ + }) + +void smmuv3_record_event(SMMUv3State *s, SMMUEventInfo *event); + #endif diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index fcfdbb0..0adfe53 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -140,7 +140,7 @@ static void queue_write(SMMUQueue *q, void *data) queue_prod_incr(q); } -void smmuv3_write_eventq(SMMUv3State *s, Evt *evt) +static void smmuv3_write_eventq(SMMUv3State *s, Evt *evt) { SMMUQueue *q = &s->eventq; bool q_empty = Q_EMPTY(q); @@ -161,6 +161,95 @@ void smmuv3_write_eventq(SMMUv3State *s, Evt *evt) } } +void smmuv3_record_event(SMMUv3State *s, SMMUEventInfo *info) +{ + Evt evt; + + if (!SMMUV3_EVENTQ_ENABLED(s)) { + return; + } + + EVT_SET_TYPE(&evt, info->type); + EVT_SET_SID(&evt, info->sid); + + switch (info->type) { + case SMMU_EVT_OK: + return; + case SMMU_EVT_F_UUT: + EVT_SET_SSID(&evt, info->u.f_uut.ssid); + EVT_SET_SSV(&evt, info->u.f_uut.ssv); + EVT_SET_ADDR(&evt, info->u.f_uut.addr); + EVT_SET_RNW(&evt, info->u.f_uut.rnw); + EVT_SET_PNU(&evt, info->u.f_uut.pnu); + EVT_SET_IND(&evt, info->u.f_uut.ind); + break; + case SMMU_EVT_C_BAD_STREAMID: + EVT_SET_SSID(&evt, info->u.c_bad_streamid.ssid); + EVT_SET_SSV(&evt, info->u.c_bad_streamid.ssv); + break; + case SMMU_EVT_F_STE_FETCH: + EVT_SET_SSID(&evt, info->u.f_ste_fetch.ssid); + EVT_SET_SSV(&evt, info->u.f_ste_fetch.ssv); + EVT_SET_ADDR(&evt, info->u.f_ste_fetch.addr); + break; + case SMMU_EVT_C_BAD_STE: + EVT_SET_SSID(&evt, info->u.c_bad_ste.ssid); + EVT_SET_SSV(&evt, info->u.c_bad_ste.ssv); + break; + case SMMU_EVT_F_STREAM_DISABLED: + break; + case SMMU_EVT_F_TRANS_FORBIDDEN: + EVT_SET_ADDR(&evt, info->u.f_transl_forbidden.addr); + EVT_SET_RNW(&evt, info->u.f_transl_forbidden.rnw); + break; + case SMMU_EVT_C_BAD_SUBSTREAMID: + EVT_SET_SSID(&evt, info->u.c_bad_substream.ssid); + break; + case SMMU_EVT_F_CD_FETCH: + EVT_SET_SSID(&evt, info->u.f_cd_fetch.ssid); + EVT_SET_SSV(&evt, info->u.f_cd_fetch.ssv); + EVT_SET_ADDR(&evt, info->u.f_cd_fetch.addr); + break; + case SMMU_EVT_C_BAD_CD: + EVT_SET_SSID(&evt, info->u.c_bad_cd.ssid); + EVT_SET_SSV(&evt, info->u.c_bad_cd.ssv); + break; + case SMMU_EVT_F_WALK_EABT: + case SMMU_EVT_F_TRANSLATION: + case SMMU_EVT_F_ADDR_SIZE: + case SMMU_EVT_F_ACCESS: + case SMMU_EVT_F_PERMISSION: + EVT_SET_STALL(&evt, info->u.f_walk_eabt.stall); + EVT_SET_STAG(&evt, info->u.f_walk_eabt.stag); + EVT_SET_SSID(&evt, info->u.f_walk_eabt.ssid); + EVT_SET_SSV(&evt, info->u.f_walk_eabt.ssv); + EVT_SET_S2(&evt, info->u.f_walk_eabt.s2); + EVT_SET_ADDR(&evt, info->u.f_walk_eabt.addr); + EVT_SET_RNW(&evt, info->u.f_walk_eabt.rnw); + EVT_SET_PNU(&evt, info->u.f_walk_eabt.pnu); + EVT_SET_IND(&evt, info->u.f_walk_eabt.ind); + EVT_SET_CLASS(&evt, info->u.f_walk_eabt.class); + EVT_SET_ADDR2(&evt, info->u.f_walk_eabt.addr2); + break; + case SMMU_EVT_F_CFG_CONFLICT: + EVT_SET_SSID(&evt, info->u.f_cfg_conflict.ssid); + EVT_SET_SSV(&evt, info->u.f_cfg_conflict.ssv); + break; + /* rest is not implemented */ + case SMMU_EVT_F_BAD_ATS_TREQ: + case SMMU_EVT_F_TLB_CONFLICT: + case SMMU_EVT_E_PAGE_REQ: + default: + error_report("%s event %d not supported", __func__, + info->type); + return; + } + + trace_smmuv3_record_event(SMMU_EVENT_STRING(info->type), info->sid); + smmuv3_write_eventq(s, &evt); + info->recorded = true; +} + static void smmuv3_init_regs(SMMUv3State *s) { /** diff --git a/hw/arm/trace-events b/hw/arm/trace-events index ed5dce0..c79c15e 100644 --- a/hw/arm/trace-events +++ b/hw/arm/trace-events @@ -28,3 +28,4 @@ smmuv3_write_mmio(hwaddr addr, uint64_t val, unsigned size) "addr: 0x%"PRIx64" v smmuv3_write_mmio_idr(hwaddr addr, uint64_t val) "write to RO/Unimpl reg 0x%lx val64:0x%lx" smmuv3_write_mmio_evtq_cons_bef_clear(uint32_t prod, uint32_t cons, uint8_t prod_wrap, uint8_t cons_wrap) "Before clearing interrupt prod:0x%x cons:0x%x prod.w:%d cons.w:%d" smmuv3_write_mmio_evtq_cons_after_clear(uint32_t prod, uint32_t cons, uint8_t prod_wrap, uint8_t cons_wrap) "after clearing interrupt prod:0x%x cons:0x%x prod.w:%d cons.w:%d" +smmuv3_record_event(const char *type, uint32_t sid) "%s sid=%d"
Let's introduce a helper function aiming at recording an event in the event queue. Signed-off-by: Eric Auger <eric.auger@redhat.com> --- v8 -> v9: - add SMMU_EVENT_STRING v7 -> v8: - use dma_addr_t instead of hwaddr in smmuv3_record_event() - introduce struct SMMUEventInfo - add event_stringify + helpers for all fields --- hw/arm/smmuv3-internal.h | 140 ++++++++++++++++++++++++++++++++++++++++++++++- hw/arm/smmuv3.c | 91 +++++++++++++++++++++++++++++- hw/arm/trace-events | 1 + 3 files changed, 229 insertions(+), 3 deletions(-)