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Re: [Qemu-devel] [PATCH 06/12] spapr_pci: Fold spapr_phb_vfio_eeh_get_st


From: Alexey Kardashevskiy
Subject: Re: [Qemu-devel] [PATCH 06/12] spapr_pci: Fold spapr_phb_vfio_eeh_get_state() into spapr_pci code
Date: Mon, 29 Feb 2016 12:43:51 +1100
User-agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0

On 02/26/2016 10:31 PM, David Gibson wrote:
Simplify the sPAPR PCI code by folding spapr_phb_vfio_eeh_get_state9)
into rtas_ibm_read_slot_reset_state2().

Signed-off-by: David Gibson <address@hidden>

Reviewed-by: Alexey Kardashevskiy <address@hidden>

---
  hw/ppc/spapr_pci.c          | 12 ++++++------
  hw/ppc/spapr_pci_vfio.c     | 13 -------------
  include/hw/pci-host/spapr.h |  1 -
  3 files changed, 6 insertions(+), 20 deletions(-)

diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 96cdca2..eaae7e2 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -539,7 +539,7 @@ static void rtas_ibm_read_slot_reset_state2(PowerPCCPU *cpu,
  {
      sPAPRPHBState *sphb;
      uint64_t buid;
-    int state, ret;
+    int ret;

      if ((nargs != 3) || (nret != 4 && nret != 5)) {
          goto param_error_exit;
@@ -555,13 +555,13 @@ static void rtas_ibm_read_slot_reset_state2(PowerPCCPU 
*cpu,
          goto param_error_exit;
      }

-    ret = spapr_phb_vfio_eeh_get_state(sphb, &state);
-    rtas_st(rets, 0, ret);
-    if (ret != RTAS_OUT_SUCCESS) {
-        return;
+    ret = vfio_eeh_as_op(&sphb->iommu_as, VFIO_EEH_PE_GET_STATE);
+    if (ret < 0) {
+        goto param_error_exit;
      }

-    rtas_st(rets, 1, state);
+    rtas_st(rets, 0, RTAS_OUT_SUCCESS);
+    rtas_st(rets, 1, ret);
      rtas_st(rets, 2, RTAS_EEH_SUPPORT);
      rtas_st(rets, 3, RTAS_EEH_PE_UNAVAIL_INFO);
      if (nret >= 5) {
diff --git a/hw/ppc/spapr_pci_vfio.c b/hw/ppc/spapr_pci_vfio.c
index 54075e0..c87f2e4 100644
--- a/hw/ppc/spapr_pci_vfio.c
+++ b/hw/ppc/spapr_pci_vfio.c
@@ -136,19 +136,6 @@ int spapr_phb_vfio_eeh_set_option(sPAPRPHBState *sphb,
      return RTAS_OUT_SUCCESS;
  }

-int spapr_phb_vfio_eeh_get_state(sPAPRPHBState *sphb, int *state)
-{
-    int ret;
-
-    ret = vfio_eeh_as_op(&sphb->iommu_as, VFIO_EEH_PE_GET_STATE);
-    if (ret < 0) {
-        return RTAS_OUT_PARAM_ERROR;
-    }
-
-    *state = ret;
-    return RTAS_OUT_SUCCESS;
-}
-
  static void spapr_phb_vfio_class_init(ObjectClass *klass, void *data)
  {
      DeviceClass *dc = DEVICE_CLASS(klass);
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h
index d31162b..55237fc 100644
--- a/include/hw/pci-host/spapr.h
+++ b/include/hw/pci-host/spapr.h
@@ -138,6 +138,5 @@ void spapr_phb_vfio_reset(DeviceState *qdev);
  /* VFIO EEH hooks */
  int spapr_phb_vfio_eeh_set_option(sPAPRPHBState *sphb,
                                    unsigned int addr, int option);
-int spapr_phb_vfio_eeh_get_state(sPAPRPHBState *sphb, int *state);

  #endif /* __HW_SPAPR_PCI_H__ */



--
Alexey



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