[PULL 32/35] ppc/xive: Use address_space routines to access the machine RAM

Cédric Le Goater posted 35 patches 1 year, 2 months ago
Maintainers: "Cédric Le Goater" <clg@kaod.org>, "Frédéric Barrat" <fbarrat@linux.ibm.com>, Nicholas Piggin <npiggin@gmail.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, BALATON Zoltan <balaton@eik.bme.hu>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, "Hervé Poussineau" <hpoussin@reactos.org>, Harsh Prateek Bora <harshpb@linux.ibm.com>, Alexey Kardashevskiy <aik@ozlabs.ru>, Paolo Bonzini <pbonzini@redhat.com>, Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>, Cleber Rosa <crosa@redhat.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Wainer dos Santos Moschetta <wainersm@redhat.com>, Beraldo Leal <bleal@redhat.com>
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[PULL 32/35] ppc/xive: Use address_space routines to access the machine RAM
Posted by Cédric Le Goater 1 year, 2 months ago
to log an error in case of bad configuration of the XIVE tables by the FW.

Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 hw/intc/pnv_xive.c  | 27 +++++++++++++++++++++++----
 hw/intc/pnv_xive2.c | 27 +++++++++++++++++++++++----
 2 files changed, 46 insertions(+), 8 deletions(-)

diff --git a/hw/intc/pnv_xive.c b/hw/intc/pnv_xive.c
index e536b3ec26e5..b2bafd61b157 100644
--- a/hw/intc/pnv_xive.c
+++ b/hw/intc/pnv_xive.c
@@ -242,12 +242,20 @@ static int pnv_xive_vst_read(PnvXive *xive, uint32_t type, uint8_t blk,
 {
     const XiveVstInfo *info = &vst_infos[type];
     uint64_t addr = pnv_xive_vst_addr(xive, type, blk, idx);
+    MemTxResult result;
 
     if (!addr) {
         return -1;
     }
 
-    cpu_physical_memory_read(addr, data, info->size);
+    result = address_space_read(&address_space_memory, addr,
+                                MEMTXATTRS_UNSPECIFIED, data,
+                                info->size);
+    if (result != MEMTX_OK) {
+        xive_error(xive, "VST: read failed at @0x%" HWADDR_PRIx
+                   " for VST %s %x/%x\n", addr, info->name, blk, idx);
+        return -1;
+    }
     return 0;
 }
 
@@ -258,16 +266,27 @@ static int pnv_xive_vst_write(PnvXive *xive, uint32_t type, uint8_t blk,
 {
     const XiveVstInfo *info = &vst_infos[type];
     uint64_t addr = pnv_xive_vst_addr(xive, type, blk, idx);
+    MemTxResult result;
 
     if (!addr) {
         return -1;
     }
 
     if (word_number == XIVE_VST_WORD_ALL) {
-        cpu_physical_memory_write(addr, data, info->size);
+        result = address_space_write(&address_space_memory, addr,
+                                     MEMTXATTRS_UNSPECIFIED, data,
+                                     info->size);
     } else {
-        cpu_physical_memory_write(addr + word_number * 4,
-                                  data + word_number * 4, 4);
+        result = address_space_write(&address_space_memory,
+                                     addr + word_number * 4,
+                                     MEMTXATTRS_UNSPECIFIED,
+                                     data + word_number * 4, 4);
+    }
+
+    if (result != MEMTX_OK) {
+        xive_error(xive, "VST: write failed at @0x%" HWADDR_PRIx
+                    "for VST %s %x/%x\n", addr, info->name, blk, idx);
+        return -1;
     }
     return 0;
 }
diff --git a/hw/intc/pnv_xive2.c b/hw/intc/pnv_xive2.c
index bbb44a533cff..4b8d0a5d8120 100644
--- a/hw/intc/pnv_xive2.c
+++ b/hw/intc/pnv_xive2.c
@@ -240,12 +240,20 @@ static int pnv_xive2_vst_read(PnvXive2 *xive, uint32_t type, uint8_t blk,
 {
     const XiveVstInfo *info = &vst_infos[type];
     uint64_t addr = pnv_xive2_vst_addr(xive, type, blk, idx);
+    MemTxResult result;
 
     if (!addr) {
         return -1;
     }
 
-    cpu_physical_memory_read(addr, data, info->size);
+    result = address_space_read(&address_space_memory, addr,
+                                MEMTXATTRS_UNSPECIFIED, data,
+                                info->size);
+    if (result != MEMTX_OK) {
+        xive2_error(xive, "VST: read failed at @0x%" HWADDR_PRIx
+                   " for VST %s %x/%x\n", addr, info->name, blk, idx);
+        return -1;
+    }
     return 0;
 }
 
@@ -256,16 +264,27 @@ static int pnv_xive2_vst_write(PnvXive2 *xive, uint32_t type, uint8_t blk,
 {
     const XiveVstInfo *info = &vst_infos[type];
     uint64_t addr = pnv_xive2_vst_addr(xive, type, blk, idx);
+    MemTxResult result;
 
     if (!addr) {
         return -1;
     }
 
     if (word_number == XIVE_VST_WORD_ALL) {
-        cpu_physical_memory_write(addr, data, info->size);
+        result = address_space_write(&address_space_memory, addr,
+                                     MEMTXATTRS_UNSPECIFIED, data,
+                                     info->size);
     } else {
-        cpu_physical_memory_write(addr + word_number * 4,
-                                  data + word_number * 4, 4);
+        result = address_space_write(&address_space_memory,
+                                     addr + word_number * 4,
+                                     MEMTXATTRS_UNSPECIFIED,
+                                     data + word_number * 4, 4);
+    }
+
+    if (result != MEMTX_OK) {
+        xive2_error(xive, "VST: write failed at @0x%" HWADDR_PRIx
+                   "for VST %s %x/%x\n", addr, info->name, blk, idx);
+        return -1;
     }
     return 0;
 }
-- 
2.41.0