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qemu/hw/ppc/trace-events
Alexey Kardashevskiy 14c7e06e72 ppc/vof: Fix Coverity issues 
Coverity reported issues which are caused by mixing of signed return codes
from DTC and unsigned return codes of the client interface.

This introduces PROM_ERROR and makes distinction between the error types.

This fixes NEGATIVE_RETURNS, OVERRUN issues reported by Coverity.

This adds a comment about the return parameters number in the VOF hcall.
The reason for such counting is to keep the numbers look the same in
vof_client_handle() and the Linux (an OF client).

vmc->client_architecture_support() returns target_ulong and we want to
propagate this to the client (for example H_MULTI_THREADS_ACTIVE).
The VOF path to do_client_architecture_support() needs chopping off
the top 32bit but SLOF's H_CAS does not; and either way the return values
are either 0 or 32bit negative error code. For now this chops
the top 32bits.

This makes "claim" fail if the allocated address is above 4GB as
the client interface is 32bit. This still allows claiming memory above
4GB as potentially initrd can be put there and the client can read
the address from the FDT's "available" property.

Fixes: CID 1458139, 1458138, 1458137, 1458133, 1458132
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-Id: <20210720050726.2737405-1-aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-07-29 10:59:49 +10:00

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# See docs/devel/tracing.rst for syntax documentation.
# spapr_pci.c
spapr_pci_msi(const char *msg, uint32_t ca) "%s (cfg=0x%x)"
spapr_pci_msi_setup(const char *name, unsigned vector, uint64_t addr) "dev\"%s\" vector %u, addr=0x%"PRIx64
spapr_pci_rtas_ibm_change_msi(unsigned cfg, unsigned func, unsigned req, unsigned first) "cfgaddr 0x%x func %u, requested %u, first irq %u"
spapr_pci_rtas_ibm_query_interrupt_source_number(unsigned ioa, unsigned intr) "queries for #%u, IRQ%u"
spapr_pci_msi_write(uint64_t addr, uint64_t data, uint32_t dt_irq) "@0x%"PRIx64"<=0x%"PRIx64" IRQ %u"
spapr_pci_lsi_set(const char *busname, int pin, uint32_t irq) "%s PIN%d IRQ %u"
spapr_pci_msi_retry(unsigned config_addr, unsigned req_num, unsigned max_irqs) "Guest device at 0x%x asked %u, have only %u"
# spapr_hcall.c
spapr_cas_continue(unsigned long n) "Copy changes to the guest: %ld bytes"
spapr_cas_pvr(uint32_t cur_pvr, bool explicit_match, uint32_t new_pvr) "current=0x%x, explicit_match=%u, new=0x%x"
spapr_h_resize_hpt_prepare(uint64_t flags, uint64_t shift) "flags=0x%"PRIx64", shift=%"PRIu64
spapr_h_resize_hpt_commit(uint64_t flags, uint64_t shift) "flags=0x%"PRIx64", shift=%"PRIu64
spapr_update_dt(unsigned cb) "New blob %u bytes"
spapr_update_dt_failed_size(unsigned cbold, unsigned cbnew, unsigned magic) "Old blob %u bytes, new blob %u bytes, magic 0x%x"
spapr_update_dt_failed_check(unsigned cbold, unsigned cbnew, unsigned magic) "Old blob %u bytes, new blob %u bytes, magic 0x%x"
# spapr_tpm_proxy.c
spapr_h_tpm_comm(const char *device_path, uint64_t operation) "tpm_device_path=%s operation=0x%"PRIx64
spapr_tpm_execute(uint64_t data_in, uint64_t data_in_sz, uint64_t data_out, uint64_t data_out_sz) "data_in=0x%"PRIx64", data_in_sz=%"PRIu64", data_out=0x%"PRIx64", data_out_sz=%"PRIu64
# spapr_iommu.c
spapr_iommu_put(uint64_t liobn, uint64_t ioba, uint64_t tce, uint64_t ret) "liobn=0x%"PRIx64" ioba=0x%"PRIx64" tce=0x%"PRIx64" ret=%"PRId64
spapr_iommu_get(uint64_t liobn, uint64_t ioba, uint64_t ret, uint64_t tce) "liobn=0x%"PRIx64" ioba=0x%"PRIx64" ret=%"PRId64" tce=0x%"PRIx64
spapr_iommu_indirect(uint64_t liobn, uint64_t ioba, uint64_t tce, uint64_t iobaN, uint64_t tceN, uint64_t ret) "liobn=0x%"PRIx64" ioba=0x%"PRIx64" tcelist=0x%"PRIx64" iobaN=0x%"PRIx64" tceN=0x%"PRIx64" ret=%"PRId64
spapr_iommu_stuff(uint64_t liobn, uint64_t ioba, uint64_t tce_value, uint64_t npages, uint64_t ret) "liobn=0x%"PRIx64" ioba=0x%"PRIx64" tcevalue=0x%"PRIx64" npages=%"PRId64" ret=%"PRId64
spapr_iommu_pci_put(uint64_t liobn, uint64_t ioba, uint64_t tce, uint64_t ret) "liobn=0x%"PRIx64" ioba=0x%"PRIx64" tce=0x%"PRIx64" ret=%"PRId64
spapr_iommu_pci_get(uint64_t liobn, uint64_t ioba, uint64_t ret, uint64_t tce) "liobn=0x%"PRIx64" ioba=0x%"PRIx64" ret=%"PRId64" tce=0x%"PRIx64
spapr_iommu_pci_indirect(uint64_t liobn, uint64_t ioba, uint64_t tce, uint64_t iobaN, uint64_t tceN, uint64_t ret) "liobn=0x%"PRIx64" ioba=0x%"PRIx64" tcelist=0x%"PRIx64" iobaN=0x%"PRIx64" tceN=0x%"PRIx64" ret=%"PRId64
spapr_iommu_pci_stuff(uint64_t liobn, uint64_t ioba, uint64_t tce_value, uint64_t npages, uint64_t ret) "liobn=0x%"PRIx64" ioba=0x%"PRIx64" tcevalue=0x%"PRIx64" npages=%"PRId64" ret=%"PRId64
spapr_iommu_xlate(uint64_t liobn, uint64_t ioba, uint64_t tce, unsigned perm, unsigned pgsize) "liobn=0x%"PRIx64" 0x%"PRIx64" -> 0x%"PRIx64" perm=%u mask=0x%x"
spapr_iommu_new_table(uint64_t liobn, void *table, int fd) "liobn=0x%"PRIx64" table=%p fd=%d"
spapr_iommu_pre_save(uint64_t liobn, uint32_t nb, uint64_t offs, uint32_t ps) "liobn=%"PRIx64" %"PRIx32" bus_offset=0x%"PRIx64" ps=%"PRIu32
spapr_iommu_post_load(uint64_t liobn, uint32_t pre_nb, uint32_t post_nb, uint64_t offs, uint32_t ps) "liobn=%"PRIx64" %"PRIx32" => 0x%"PRIx32" bus_offset=0x%"PRIx64" ps=%"PRIu32
# spapr_rtas_ddw.c
spapr_iommu_ddw_query(uint64_t buid, uint32_t cfgaddr, unsigned wa, uint64_t win_size, uint32_t pgmask) "buid=0x%"PRIx64" addr=0x%"PRIx32", %u windows available, max window size=0x%"PRIx64", mask=0x%"PRIx32
spapr_iommu_ddw_create(uint64_t buid, uint32_t cfgaddr, uint64_t pg_size, uint64_t req_size, uint64_t start, uint32_t liobn) "buid=0x%"PRIx64" addr=0x%"PRIx32", page size=0x%"PRIx64", requested=0x%"PRIx64", start addr=0x%"PRIx64", liobn=0x%"PRIx32
spapr_iommu_ddw_remove(uint32_t liobn) "liobn=0x%"PRIx32
spapr_iommu_ddw_reset(uint64_t buid, uint32_t cfgaddr) "buid=0x%"PRIx64" addr=0x%"PRIx32
# spapr_drc.c
spapr_drc_set_isolation_state(uint32_t index, int state) "drc: 0x%"PRIx32", state: 0x%"PRIx32
spapr_drc_set_isolation_state_finalizing(uint32_t index) "drc: 0x%"PRIx32
spapr_drc_set_dr_indicator(uint32_t index, int state) "drc: 0x%"PRIx32", state: 0x%x"
spapr_drc_set_allocation_state(uint32_t index, int state) "drc: 0x%"PRIx32", state: 0x%x"
spapr_drc_set_allocation_state_finalizing(uint32_t index) "drc: 0x%"PRIx32
spapr_drc_set_configured(uint32_t index) "drc: 0x%"PRIx32
spapr_drc_attach(uint32_t index) "drc: 0x%"PRIx32
spapr_drc_unplug_request(uint32_t index) "drc: 0x%"PRIx32
spapr_drc_awaiting_quiesce(uint32_t index) "drc: 0x%"PRIx32
spapr_drc_reset(uint32_t index) "drc: 0x%"PRIx32
spapr_drc_realize(uint32_t index) "drc: 0x%"PRIx32
spapr_drc_realize_child(uint32_t index, const char *childname) "drc: 0x%"PRIx32", child name: %s"
spapr_drc_realize_complete(uint32_t index) "drc: 0x%"PRIx32
spapr_drc_unrealize(uint32_t index) "drc: 0x%"PRIx32
# spapr_ovec.c
spapr_ovec_parse_vector(int vector, int byte, uint16_t vec_len, uint8_t entry) "read guest vector %2d, byte %3d / %3d: 0x%.2x"
spapr_ovec_populate_dt(int byte, uint16_t vec_len, uint8_t entry) "encoding guest vector byte %3d / %3d: 0x%.2x"
# spapr_drc.c
spapr_rtas_get_sensor_state_not_supported(uint32_t index, uint32_t type) "sensor index: 0x%"PRIx32", type: %"PRIu32
spapr_rtas_get_sensor_state_invalid(uint32_t index) "sensor index: 0x%"PRIx32
spapr_rtas_ibm_configure_connector_invalid(uint32_t index) "DRC index: 0x%"PRIx32
# spapr_vio.c
spapr_vio_h_reg_crq(uint64_t reg, uint64_t queue_addr, uint64_t queue_len) "CRQ for dev 0x%" PRIx64 " registered at 0x%" PRIx64 "/0x%" PRIx64
spapr_vio_free_crq(uint32_t reg) "CRQ for dev 0x%" PRIx32 " freed"
# vof.c
vof_error_str_truncated(const char *s, int len) "%s truncated to %d"
vof_error_param(const char *method, int nargscheck, int nretcheck, int nargs, int nret) "%s takes/returns %d/%d, not %d/%d"
vof_error_unknown_service(const char *service, int nargs, int nret) "\"%s\" args=%d rets=%d"
vof_error_unknown_method(const char *method) "\"%s\""
vof_error_unknown_ihandle_close(uint32_t ih) "ih=0x%x"
vof_error_unknown_path(const char *path) "\"%s\""
vof_error_write(uint32_t ih) "ih=0x%x"
vof_finddevice(const char *path, uint32_t ph) "\"%s\" => ph=0x%x"
vof_claim(uint32_t virt, uint32_t size, uint32_t align, uint32_t ret) "virt=0x%x size=0x%x align=0x%x => 0x%x"
vof_release(uint32_t virt, uint32_t size, uint32_t ret) "virt=0x%x size=0x%x => 0x%x"
vof_method(uint32_t ihandle, const char *method, uint32_t param, uint32_t ret, uint32_t ret2) "ih=0x%x \"%s\"(0x%x) => 0x%x 0x%x"
vof_getprop(uint32_t ph, const char *prop, uint32_t ret, const char *val) "ph=0x%x \"%s\" => len=%d [%s]"
vof_getproplen(uint32_t ph, const char *prop, uint32_t ret) "ph=0x%x \"%s\" => len=%d"
vof_setprop(uint32_t ph, const char *prop, const char *val, uint32_t vallen, uint32_t ret) "ph=0x%x \"%s\" [%s] len=%d => ret=%d"
vof_open(const char *path, uint32_t ph, uint32_t ih) "%s ph=0x%x => ih=0x%x"
vof_interpret(const char *cmd, uint32_t param1, uint32_t param2, uint32_t ret, uint32_t ret2) "[%s] 0x%x 0x%x => 0x%x 0x%x"
vof_package_to_path(uint32_t ph, const char *tmp, int ret) "ph=0x%x => %s len=%d"
vof_instance_to_path(uint32_t ih, uint32_t ph, const char *tmp, int ret) "ih=0x%x ph=0x%x => %s len=%d"
vof_instance_to_package(uint32_t ih, uint32_t ph) "ih=0x%x => ph=0x%x"
vof_write(uint32_t ih, unsigned cb, const char *msg) "ih=0x%x [%u] \"%s\""
vof_avail(uint64_t start, uint64_t end, uint64_t size) "0x%"PRIx64"..0x%"PRIx64" size=0x%"PRIx64
vof_claimed(uint64_t start, uint64_t end, uint64_t size) "0x%"PRIx64"..0x%"PRIx64" size=0x%"PRIx64
# ppc.c
ppc_tb_adjust(uint64_t offs1, uint64_t offs2, int64_t diff, int64_t seconds) "adjusted from 0x%"PRIx64" to 0x%"PRIx64", diff %"PRId64" (%"PRId64"s)"
# prep_systemio.c
prep_systemio_read(uint32_t addr, uint32_t val) "read addr=0x%x val=0x%x"
prep_systemio_write(uint32_t addr, uint32_t val) "write addr=0x%x val=0x%x"
# rs6000_mc.c
rs6000mc_id_read(uint32_t addr, uint32_t val) "read addr=0x%x val=0x%x"
rs6000mc_presence_read(uint32_t addr, uint32_t val) "read addr=0x%x val=0x%x"
rs6000mc_size_read(uint32_t addr, uint32_t val) "read addr=0x%x val=0x%x"
rs6000mc_size_write(uint32_t addr, uint32_t val) "write addr=0x%x val=0x%x"
rs6000mc_parity_read(uint32_t addr, uint32_t val) "read addr=0x%x val=0x%x"
# ppc4xx_pci.c
ppc4xx_pci_map_irq(int32_t devfn, int irq_num, int slot) "devfn 0x%x irq %d -> %d"
ppc4xx_pci_set_irq(int irq_num) "PCI irq %d"
# ppc440_pcix.c
ppc440_pcix_map_irq(int32_t devfn, int irq_num, int slot) "devfn 0x%x irq %d -> %d"
ppc440_pcix_set_irq(int irq_num) "PCI irq %d"
ppc440_pcix_update_pim(int idx, uint64_t size, uint64_t la) "Added window %d of size=0x%" PRIx64 " to CPU=0x%" PRIx64
ppc440_pcix_update_pom(int idx, uint32_t size, uint64_t la, uint64_t pcia) "Added window %d of size=0x%x from CPU=0x%" PRIx64 " to PCI=0x%" PRIx64
ppc440_pcix_reg_read(uint64_t addr, uint32_t val) "addr 0x%" PRIx64 " = 0x%" PRIx32
ppc440_pcix_reg_write(uint64_t addr, uint32_t val, uint32_t size) "addr 0x%" PRIx64 " = 0x%" PRIx32 " size 0x%" PRIx32
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