Re: [Qemu-devel] [PATCH v6 15/29] libqos: Use explicit QTestState for rtas operations

[Thomas Huth <thuth@redhat.com>]

On 01.09.2017 20:03, Eric Blake wrote:
> Drop one more client of global_qtest by teaching all rtas test
> functionality to pass in an explicit QTestState, adjusting all
> callers.
> 
> Signed-off-by: Eric Blake <eblake@redhat.com>
> ---
>  tests/libqos/rtas.h      |  9 ++++++---
>  tests/libqos/pci-spapr.c | 18 ++++++++++++------
>  tests/libqos/rtas.c      | 21 ++++++++++++---------
>  tests/rtas-test.c        |  2 +-
>  4 files changed, 31 insertions(+), 19 deletions(-)
> 
> diff --git a/tests/libqos/rtas.h b/tests/libqos/rtas.h
> index 498eb19230..e3d0f850a7 100644
> --- a/tests/libqos/rtas.h
> +++ b/tests/libqos/rtas.h
> @@ -7,9 +7,12 @@
>  #define LIBQOS_RTAS_H
>  #include "libqos/malloc.h"
> 
> -int qrtas_get_time_of_day(QGuestAllocator *alloc, struct tm *tm, uint32_t *ns);
> -uint32_t qrtas_ibm_read_pci_config(QGuestAllocator *alloc, uint64_t buid,
> +int qrtas_get_time_of_day(QTestState *qts, QGuestAllocator *alloc,
> +                          struct tm *tm, uint32_t *ns);
> +uint32_t qrtas_ibm_read_pci_config(QTestState *qts, QGuestAllocator *alloc,
> +                                   uint64_t buid,
>                                     uint32_t addr, uint32_t size);
> -int qrtas_ibm_write_pci_config(QGuestAllocator *alloc, uint64_t buid,
> +int qrtas_ibm_write_pci_config(QTestState *qts, QGuestAllocator *alloc,
> +                               uint64_t buid,
>                                 uint32_t addr, uint32_t size, uint32_t val);
>  #endif /* LIBQOS_RTAS_H */
> diff --git a/tests/libqos/pci-spapr.c b/tests/libqos/pci-spapr.c
> index d7b2aa75e6..b7199501b4 100644
> --- a/tests/libqos/pci-spapr.c
> +++ b/tests/libqos/pci-spapr.c
> @@ -108,21 +108,24 @@ static uint8_t qpci_spapr_config_readb(QPCIBus *bus, int devfn, uint8_t offset)
>  {
>      QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);
>      uint32_t config_addr = (devfn << 8) | offset;
> -    return qrtas_ibm_read_pci_config(s->alloc, s->buid, config_addr, 1);
> +    return qrtas_ibm_read_pci_config(bus->qts, s->alloc, s->buid,
> +                                     config_addr, 1);
>  }
> 
>  static uint16_t qpci_spapr_config_readw(QPCIBus *bus, int devfn, uint8_t offset)
>  {
>      QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);
>      uint32_t config_addr = (devfn << 8) | offset;
> -    return qrtas_ibm_read_pci_config(s->alloc, s->buid, config_addr, 2);
> +    return qrtas_ibm_read_pci_config(bus->qts, s->alloc, s->buid,
> +                                     config_addr, 2);
>  }
> 
>  static uint32_t qpci_spapr_config_readl(QPCIBus *bus, int devfn, uint8_t offset)
>  {
>      QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);
>      uint32_t config_addr = (devfn << 8) | offset;
> -    return qrtas_ibm_read_pci_config(s->alloc, s->buid, config_addr, 4);
> +    return qrtas_ibm_read_pci_config(bus->qts, s->alloc, s->buid,
> +                                     config_addr, 4);
>  }
> 
>  static void qpci_spapr_config_writeb(QPCIBus *bus, int devfn, uint8_t offset,
> @@ -130,7 +133,8 @@ static void qpci_spapr_config_writeb(QPCIBus *bus, int devfn, uint8_t offset,
>  {
>      QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);
>      uint32_t config_addr = (devfn << 8) | offset;
> -    qrtas_ibm_write_pci_config(s->alloc, s->buid, config_addr, 1, value);
> +    qrtas_ibm_write_pci_config(bus->qts, s->alloc, s->buid,
> +                               config_addr, 1, value);
>  }
> 
>  static void qpci_spapr_config_writew(QPCIBus *bus, int devfn, uint8_t offset,
> @@ -138,7 +142,8 @@ static void qpci_spapr_config_writew(QPCIBus *bus, int devfn, uint8_t offset,
>  {
>      QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);
>      uint32_t config_addr = (devfn << 8) | offset;
> -    qrtas_ibm_write_pci_config(s->alloc, s->buid, config_addr, 2, value);
> +    qrtas_ibm_write_pci_config(bus->qts, s->alloc, s->buid,
> +                               config_addr, 2, value);
>  }
> 
>  static void qpci_spapr_config_writel(QPCIBus *bus, int devfn, uint8_t offset,
> @@ -146,7 +151,8 @@ static void qpci_spapr_config_writel(QPCIBus *bus, int devfn, uint8_t offset,
>  {
>      QPCIBusSPAPR *s = container_of(bus, QPCIBusSPAPR, bus);
>      uint32_t config_addr = (devfn << 8) | offset;
> -    qrtas_ibm_write_pci_config(s->alloc, s->buid, config_addr, 4, value);
> +    qrtas_ibm_write_pci_config(bus->qts, s->alloc, s->buid,
> +                               config_addr, 4, value);
>  }
> 
>  #define SPAPR_PCI_BASE               (1ULL << 45)
> diff --git a/tests/libqos/rtas.c b/tests/libqos/rtas.c
> index 0269803ce0..fb25f91723 100644
> --- a/tests/libqos/rtas.c
> +++ b/tests/libqos/rtas.c
> @@ -26,7 +26,8 @@ static void qrtas_copy_ret(uint64_t target_ret, uint32_t nret, uint32_t *ret)
>      }
>  }
> 
> -static uint64_t qrtas_call(QGuestAllocator *alloc, const char *name,
> +static uint64_t qrtas_call(QTestState *qts, QGuestAllocator *alloc,
> +                           const char *name,
>                             uint32_t nargs, uint32_t *args,
>                             uint32_t nret, uint32_t *ret)
>  {
> @@ -37,8 +38,7 @@ static uint64_t qrtas_call(QGuestAllocator *alloc, const char *name,
>      target_ret = guest_alloc(alloc, nret * sizeof(uint32_t));
> 
>      qrtas_copy_args(target_args, nargs, args);
> -    res = qtest_rtas_call(global_qtest, name,
> -                          nargs, target_args, nret, target_ret);
> +    res = qtest_rtas_call(qts, name, nargs, target_args, nret, target_ret);
>      qrtas_copy_ret(target_ret, nret, ret);
> 
>      guest_free(alloc, target_ret);
> @@ -47,12 +47,13 @@ static uint64_t qrtas_call(QGuestAllocator *alloc, const char *name,
>      return res;
>  }
> 
> -int qrtas_get_time_of_day(QGuestAllocator *alloc, struct tm *tm, uint32_t *ns)
> +int qrtas_get_time_of_day(QTestState *qts, QGuestAllocator *alloc,
> +                          struct tm *tm, uint32_t *ns)
>  {
>      int res;
>      uint32_t ret[8];
> 
> -    res = qrtas_call(alloc, "get-time-of-day", 0, NULL, 8, ret);
> +    res = qrtas_call(qts, alloc, "get-time-of-day", 0, NULL, 8, ret);
>      if (res != 0) {
>          return res;
>      }
> @@ -70,7 +71,8 @@ int qrtas_get_time_of_day(QGuestAllocator *alloc, struct tm *tm, uint32_t *ns)
>      return res;
>  }
> 
> -uint32_t qrtas_ibm_read_pci_config(QGuestAllocator *alloc, uint64_t buid,
> +uint32_t qrtas_ibm_read_pci_config(QTestState *qts, QGuestAllocator *alloc,
> +                                   uint64_t buid,
>                                     uint32_t addr, uint32_t size)
>  {
>      int res;
> @@ -80,7 +82,7 @@ uint32_t qrtas_ibm_read_pci_config(QGuestAllocator *alloc, uint64_t buid,
>      args[1] = buid >> 32;
>      args[2] = buid & 0xffffffff;
>      args[3] = size;
> -    res = qrtas_call(alloc, "ibm,read-pci-config", 4, args, 2, ret);
> +    res = qrtas_call(qts, alloc, "ibm,read-pci-config", 4, args, 2, ret);
>      if (res != 0) {
>          return -1;
>      }
> @@ -92,7 +94,8 @@ uint32_t qrtas_ibm_read_pci_config(QGuestAllocator *alloc, uint64_t buid,
>      return ret[1];
>  }
> 
> -int qrtas_ibm_write_pci_config(QGuestAllocator *alloc, uint64_t buid,
> +int qrtas_ibm_write_pci_config(QTestState *qts, QGuestAllocator *alloc,
> +                               uint64_t buid,
>                                 uint32_t addr, uint32_t size, uint32_t val)
>  {
>      int res;
> @@ -103,7 +106,7 @@ int qrtas_ibm_write_pci_config(QGuestAllocator *alloc, uint64_t buid,
>      args[2] = buid & 0xffffffff;
>      args[3] = size;
>      args[4] = val;
> -    res = qrtas_call(alloc, "ibm,write-pci-config", 5, args, 1, ret);
> +    res = qrtas_call(qts, alloc, "ibm,write-pci-config", 5, args, 1, ret);
>      if (res != 0) {
>          return -1;
>      }
> diff --git a/tests/rtas-test.c b/tests/rtas-test.c
> index 276c87ef84..34a692163f 100644
> --- a/tests/rtas-test.c
> +++ b/tests/rtas-test.c
> @@ -16,7 +16,7 @@ static void test_rtas_get_time_of_day(void)
>      qs = qtest_spapr_boot("-machine pseries");
> 
>      t1 = time(NULL);
> -    ret = qrtas_get_time_of_day(qs->alloc, &tm, &ns);
> +    ret = qrtas_get_time_of_day(qs->qts, qs->alloc, &tm, &ns);
>      g_assert_cmpint(ret, ==, 0);
>      t2 = mktimegm(&tm);
>      g_assert(t2 - t1 < 5); /* 5 sec max to run the test */
> 

Reviewed-by: Thomas Huth <thuth@redhat.com>