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authorPeter Maydell <peter.maydell@linaro.org>2023-03-03 13:35:54 +0000
committerPeter Maydell <peter.maydell@linaro.org>2023-03-03 13:35:54 +0000
commit66577e9e1caee48c6ebc1a2161b5d9857fcde8b3 (patch)
treef27a2c85d5f986db2c7dd4f001d8bab12a39270d /hw/cxl/cxl-mailbox-utils.c
parent76116e28e1491a06966fd594fefdaacb084ada10 (diff)
parentee92a56b08d0b59016a4a9bc1bf3a3de1fbe3956 (diff)
downloadfocaccia-qemu-66577e9e1caee48c6ebc1a2161b5d9857fcde8b3.tar.gz
focaccia-qemu-66577e9e1caee48c6ebc1a2161b5d9857fcde8b3.zip
Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: features, cleanups, fixes

vhost-user support without ioeventfd
word replacements in vhost user spec
shpc improvements

cleanups, fixes all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (53 commits)
  tests/data/acpi/virt: drop (most) duplicate files.
  hw/cxl/mailbox: Use new UUID network order define for cel_uuid
  qemu/uuid: Add UUID static initializer
  qemu/bswap: Add const_le64()
  tests: acpi: Update q35/DSDT.cxl for removed duplicate UID
  hw/i386/acpi: Drop duplicate _UID entry for CXL root bridge
  tests/acpi: Allow update of q35/DSDT.cxl
  hw/cxl: Add CXL_CAPACITY_MULTIPLIER definition
  hw/cxl: set cxl-type3 device type to PCI_CLASS_MEMORY_CXL
  hw/pci-bridge/cxl_downstream: Fix type naming mismatch
  hw/mem/cxl_type3: Improve error handling in realize()
  MAINTAINERS: Add Fan Ni as Compute eXpress Link QEMU reviewer
  intel-iommu: send UNMAP notifications for domain or global inv desc
  smmu: switch to use memory_region_unmap_iommu_notifier_range()
  memory: introduce memory_region_unmap_iommu_notifier_range()
  intel-iommu: fail DEVIOTLB_UNMAP without dt mode
  intel-iommu: fail MAP notifier without caching mode
  memory: Optimize replay of guest mapping
  chardev/char-socket: set s->listener = NULL in char_socket_finalize
  hw/pci: Trace IRQ routing on PCI topology
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/cxl/cxl-mailbox-utils.c')
-rw-r--r--hw/cxl/cxl-mailbox-utils.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c
index bc1bb18844..206e04a4b8 100644
--- a/hw/cxl/cxl-mailbox-utils.c
+++ b/hw/cxl/cxl-mailbox-utils.c
@@ -12,8 +12,11 @@
 #include "hw/pci/pci.h"
 #include "qemu/cutils.h"
 #include "qemu/log.h"
+#include "qemu/units.h"
 #include "qemu/uuid.h"
 
+#define CXL_CAPACITY_MULTIPLIER   (256 * MiB)
+
 /*
  * How to add a new command, example. The command set FOO, with cmd BAR.
  *  1. Add the command set and cmd to the enum.
@@ -138,7 +141,7 @@ static ret_code cmd_firmware_update_get_info(struct cxl_cmd *cmd,
     } QEMU_PACKED *fw_info;
     QEMU_BUILD_BUG_ON(sizeof(*fw_info) != 0x50);
 
-    if (cxl_dstate->pmem_size < (256 << 20)) {
+    if (cxl_dstate->pmem_size < CXL_CAPACITY_MULTIPLIER) {
         return CXL_MBOX_INTERNAL_ERROR;
     }
 
@@ -190,7 +193,11 @@ static ret_code cmd_timestamp_set(struct cxl_cmd *cmd,
     return CXL_MBOX_SUCCESS;
 }
 
-static QemuUUID cel_uuid;
+/* CXL 3.0 8.2.9.5.2.1 Command Effects Log (CEL) */
+static const QemuUUID cel_uuid = {
+    .data = UUID(0x0da9c0b5, 0xbf41, 0x4b78, 0x8f, 0x79,
+                 0x96, 0xb1, 0x62, 0x3b, 0x3f, 0x17)
+};
 
 /* 8.2.9.4.1 */
 static ret_code cmd_logs_get_supported(struct cxl_cmd *cmd,
@@ -283,7 +290,7 @@ static ret_code cmd_identify_memory_device(struct cxl_cmd *cmd,
     CXLType3Class *cvc = CXL_TYPE3_GET_CLASS(ct3d);
     uint64_t size = cxl_dstate->pmem_size;
 
-    if (!QEMU_IS_ALIGNED(size, 256 << 20)) {
+    if (!QEMU_IS_ALIGNED(size, CXL_CAPACITY_MULTIPLIER)) {
         return CXL_MBOX_INTERNAL_ERROR;
     }
 
@@ -293,8 +300,8 @@ static ret_code cmd_identify_memory_device(struct cxl_cmd *cmd,
     /* PMEM only */
     snprintf(id->fw_revision, 0x10, "BWFW VERSION %02d", 0);
 
-    id->total_capacity = size / (256 << 20);
-    id->persistent_capacity = size / (256 << 20);
+    id->total_capacity = size / CXL_CAPACITY_MULTIPLIER;
+    id->persistent_capacity = size / CXL_CAPACITY_MULTIPLIER;
     id->lsa_size = cvc->get_lsa_size(ct3d);
 
     *len = sizeof(*id);
@@ -314,14 +321,14 @@ static ret_code cmd_ccls_get_partition_info(struct cxl_cmd *cmd,
     QEMU_BUILD_BUG_ON(sizeof(*part_info) != 0x20);
     uint64_t size = cxl_dstate->pmem_size;
 
-    if (!QEMU_IS_ALIGNED(size, 256 << 20)) {
+    if (!QEMU_IS_ALIGNED(size, CXL_CAPACITY_MULTIPLIER)) {
         return CXL_MBOX_INTERNAL_ERROR;
     }
 
     /* PMEM only */
     part_info->active_vmem = 0;
     part_info->next_vmem = 0;
-    part_info->active_pmem = size / (256 << 20);
+    part_info->active_pmem = size / CXL_CAPACITY_MULTIPLIER;
     part_info->next_pmem = 0;
 
     *len = sizeof(*part_info);
@@ -455,11 +462,8 @@ void cxl_process_mailbox(CXLDeviceState *cxl_dstate)
                      DOORBELL, 0);
 }
 
-int cxl_initialize_mailbox(CXLDeviceState *cxl_dstate)
+void cxl_initialize_mailbox(CXLDeviceState *cxl_dstate)
 {
-    /* CXL 2.0: Table 169 Get Supported Logs Log Entry */
-    const char *cel_uuidstr = "0da9c0b5-bf41-4b78-8f79-96b1623b3f17";
-
     for (int set = 0; set < 256; set++) {
         for (int cmd = 0; cmd < 256; cmd++) {
             if (cxl_cmd_set[set][cmd].handler) {
@@ -473,6 +477,4 @@ int cxl_initialize_mailbox(CXLDeviceState *cxl_dstate)
             }
         }
     }
-
-    return qemu_uuid_parse(cel_uuidstr, &cel_uuid);
 }