- 14 7月, 2017 1 次提交
-
-
由 Alexey Kardashevskiy 提交于
This defines new QOM object - IOMMUMemoryRegion - with MemoryRegion as a parent. This moves IOMMU-related fields from MR to IOMMU MR. However to avoid dymanic QOM casting in fast path (address_space_translate, etc), this adds an @is_iommu boolean flag to MR and provides new helper to do simple cast to IOMMU MR - memory_region_get_iommu. The flag is set in the instance init callback. This defines memory_region_is_iommu as memory_region_get_iommu()!=NULL. This switches MemoryRegion to IOMMUMemoryRegion in most places except the ones where MemoryRegion may be an alias. Signed-off-by: NAlexey Kardashevskiy <aik@ozlabs.ru> Reviewed-by: NDavid Gibson <david@gibson.dropbear.id.au> Message-Id: <20170711035620.4232-2-aik@ozlabs.ru> Acked-by: NCornelia Huck <cohuck@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
-
- 26 5月, 2017 1 次提交
-
-
由 Peter Xu 提交于
This patch converts the old "is_write" bool into IOMMUAccessFlags. The difference is that "is_write" can only express either read/write, but sometimes what we really want is "none" here (neither read nor write). Replay is an good example - during replay, we should not check any RW permission bits since thats not an actual IO at all. CC: Paolo Bonzini <pbonzini@redhat.com> CC: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: NDavid Gibson <david@gibson.dropbear.id.au> Acked-by: NDavid Gibson <david@gibson.dropbear.id.au> Acked-by: NPaolo Bonzini <pbonzini@redhat.com> Signed-off-by: NPeter Xu <peterx@redhat.com> Reviewed-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Reviewed-by: NJason Wang <jasowang@redhat.com>
-
- 21 4月, 2017 3 次提交
-
-
由 Fei Li 提交于
The I/O adapters should exist as soon as the bus/infrastructure exists, and not only when the guest is actually trying to do something with them. While the lazy allocation was not wrong, allocating at init time is cleaner, both for the architecture and the code. Let's adjust this by having each device type (currently for PCI and virtio-ccw) register the adapters for each ISC (as now we don't know which ISC the guest will use) as soon as it initializes. Use a two-dimensional array io_adapters[type][isc] to store adapters in ChannelSubSys, so that we can conveniently get the adapter id by the helper function css_get_adapter_id(type, isc). Signed-off-by: NFei Li <sherrylf@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Fei Li 提交于
Let's use an enum for io adapter type, and standardize its naming to CSS_IO_ADAPTER_* by changing S390_PCIPT_ADAPTER to CSS_IO_ADAPTER_PCI. Signed-off-by: NFei Li <sherrylf@linux.vnet.ibm.com> Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Danil Antonov 提交于
Wrapped printf calls inside debug macros (DPRINTF) in `if` statement. This will ensure that printf function will always compile even if debug output is turned off and, in turn, will prevent bitrot of the format strings. Signed-off-by: NDanil Antonov <g.danil.anto@gmail.com> Message-Id: <CA+KKJYBi31Bs7DtVdzZdwG2t+u5+FGiAhQpd3pqJzUX1O8Cprg@mail.gmail.com> [CH: remove now misleading comments] Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
- 20 1月, 2017 3 次提交
-
-
由 Yi Min Zhao 提交于
A function may recursively call device search functions or may call serveral different device search function. Passing the S390pciState to search functions as an argument instead of looking up it inside the search functions lowers the number of calling s390_get_phb(). Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
Currently S390PCIIOMMU is a normal struct. Let's make it inherit Object in order to take advantage of QOM. In addition, we move some stuff related to IOMMU from S390PCIBusDevice to S390PCIIOMMU. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Acked-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Vincent Palatin 提交于
Move the generic cpu_synchronize_ functions to the common hw_accel.h header, in order to prepare for the addition of a second hardware accelerator. Signed-off-by: NStefan Weil <sw@weilnetz.de> Signed-off-by: NVincent Palatin <vpalatin@chromium.org> Message-Id: <f5c3cffe8d520011df1c2e5437bb814989b48332.1484045952.git.vpalatin@chromium.org> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
-
- 31 10月, 2016 1 次提交
-
-
由 Pierre Morel 提交于
The instructions PCI STORE, PCI LOAD and PCI STORE BLOCK use calls to memory_region_dispatch_write() and memory_region_dispatch_read() but do not test the return value. Furthermore, the instruction PCI STORE BLOCK sets up a PGM_ADDRESSING exception when the operand 3 is not within the designated PCI address space instead of a PGM_OPERAND exception. Let's setup a PGM_OPERAND exception in all of these failure cases. Signed-off-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
- 28 9月, 2016 1 次提交
-
-
由 Pierre Morel 提交于
Pull mr variable declarations at the top of the functions instead of mixing them up with the code. This is in preparation for followup patches. Signed-off-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
-
- 12 7月, 2016 1 次提交
-
-
由 Markus Armbruster 提交于
Tracked down with an ugly, brittle and probably buggy Perl script. Also move includes converted to <...> up so they get included before ours where that's obviously okay. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Tested-by: NEric Blake <eblake@redhat.com> Reviewed-by: NRichard Henderson <rth@twiddle.net>
-
- 11 7月, 2016 8 次提交
-
-
由 Yi Min Zhao 提交于
Present code uses fid as the part of message data of msix for looking up the specific zpci device. However it limits the usable range of fid, and the code looking up the zpci device may fail due to truncation of the fid. In addition, fh is composed of enabled bit, FH_VIRT and the array index. So we can use the array index as the identifier to store in msg data. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
Firstly the function misses dmaas checking. This patch adds it. Secondly the function uses s390_pci_find_dev_by_fh() to look up the zpci device. This may fail if the guest provides a valid and disabled fh but fh of the associated zpci device is enabled. Thus we use s390_pci_find_dev_by_idx() instead. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
Because of the refactor of s390_pci_find_dev_by_idx(), list_pci() should be updated. We introduce a new function to get the next available zpci device. It simplifies the code of looking up zpci devices. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Acked-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
The code in CLP_SET_PCI_FN case misses some checkings. Let's add them. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
The uid-checking facility guarantees uniqueness of the uid within the vm and exposes the real uid to the guest when listing pci devices. Let's always enable it and present it to the guest in the response to the list pci clp command. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
Current code uses some fields combinatorially to indicate the state of a s390 pci device. This patch introduces device states in order to make the code more readable and more logical. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
Present code uses some macros to structure PCI Function Handle. But their names don't have a uniform format. Let's use FH_MASK_ as the unified prefix. While we're at it, differentiate the SHM bits: use different bits for vfio and emulated devices. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
We forgot to write the fid; fix that. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Acked-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
- 17 5月, 2016 4 次提交
-
-
由 Yi Min Zhao 提交于
Enhance error handling for mpcifc_service_call() to propagate errors to guest by setting status codes or triggering program interrupts. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
dereg_irqs and dereg_ioat are needed by external functions. Let's rename and export both of them in s390-pci-inst.h. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
Split s390_pcihost_iommu_configure() into separate functions for configuring and deconfiguring in order to make the code more readable. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
In reg_irqs(), present code assumes that map_indicator() always issues successfully. Let's check it and return the error to caller in order to inform guest. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Reviewed-by: NDong Jia Shi <bjsdjshi@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
- 23 3月, 2016 1 次提交
-
-
由 Paolo Bonzini 提交于
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
-
- 01 3月, 2016 1 次提交
-
-
由 Yi Min Zhao 提交于
Indicator refcounting interfaces are introduced. This patch fixes introducing unneeded indicator mappings and failure to release AISB mappings on deregistration. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
- 29 1月, 2016 1 次提交
-
-
由 Peter Maydell 提交于
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Acked-by: NCornelia Huck <cornelia.huck@de.ibm.com> Message-id: 1453832250-766-8-git-send-email-peter.maydell@linaro.org
-
- 13 1月, 2016 3 次提交
-
-
由 Yi Min Zhao 提交于
At present, list_pci() shows all PCI devices as being in configured state. As devices can be deconfigured by the guest, we need to show the real configuration status instead. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
Make use of the new FH_ENABLED define in existing code. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Yi Min Zhao 提交于
According to the s390 architecture, any mpcifc, pcilg, pcistg, pcistb and rpcit instructions issued to disabled PCI functions are rejected, and the instruction completes by setting condition code 3. In addition, any DMA and MSIX interruption operations are ignored. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
- 01 12月, 2015 1 次提交
-
-
由 Yi Min Zhao 提交于
Present code uses @size==UINT64_MAX to initialize IOMMU. It infers that it can map any 64-bit IOVA whatsoever. But in fact, the largest DMA range for each PCI Device on s390x is from ZPCI_SDMA_ADDR to ZPCI_EDMA_ADDR. The largest value is returned from hardware, which is to indicate the largest range hardware can support. But the real IOMMU size for specific PCI Device is obtained once qemu intercepts mpcifc instruction that guest is requesting a DMA range for that PCI Device. Therefore, before intercepting mpcifc instruction, qemu cannot be aware of the size of IOMMU region that guest will use. Moreover, iommu replay during device initialization for the whole region in 4k steps takes a very long time. In conclusion, this patch intializes IOMMU region for each PCI Device when intercept mpcifc instruction which is to register DMA range for the PCI Device. And then, destroy IOMMU region when guest wants to deregister IOAT. Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
- 30 4月, 2015 1 次提交
-
-
由 Alexander Yarygin 提交于
Access register mode is one of the modes that control dynamic address translation. In this mode the address space is specified by values of the access registers. The effective address-space-control element is obtained from the result of the access register translation. See the "Access-Register Introduction" section of the chapter 5 "Program Execution" in "Principles of Operations" for more details. When the CPU is in AR mode, the s390_cpu_virt_mem_rw() function must know which access register number to use for address translation. This patch does several things: - add new parameter 'uint8_t ar' to that function - decode ar number from intercepted instructions - pass the ar number to s390_cpu_virt_mem_rw(), which in turn passes it to the KVM_S390_MEM_OP ioctl. Signed-off-by: NAlexander Yarygin <yarygin@linux.vnet.ibm.com> Reviewed-by: NThomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: NDavid Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
- 26 4月, 2015 1 次提交
-
-
由 Peter Maydell 提交于
Rather than retaining io_mem_read/write as simple wrappers around the memory_region_dispatch_read/write functions, make the latter public and change all the callers to use them, since we need to touch all the callsites anyway to add MemTxAttrs and MemTxResult support. Delete io_mem_read and io_mem_write entirely. (All the callers currently pass MEMTXATTRS_UNSPECIFIED and convert the return value back to bool or ignore it.) Signed-off-by: NPeter Maydell <peter.maydell@linaro.org> Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
-
- 18 2月, 2015 1 次提交
-
-
由 Frank Blaschka 提交于
Change zpci instructions to use the new logical memory access functions. Signed-off-by: NFrank Blaschka <blaschka@linux.vnet.ibm.com> Signed-off-by: NJens Freimann <jfrei@linux.vnet.ibm.com> Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
-
- 03 2月, 2015 2 次提交
-
-
由 Yi Min Zhao 提交于
The virtual I/O address range passed to rpcit instruction might not map to consecutive physical guest pages. For this we have to translate and create mapping notifications for each vioa page separately. Signed-off-by: NYi Min Zhao <zyimin@cn.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
由 Frank Blaschka 提交于
This patch avoids sign extension and fixes a data conversion bug in stpcifc. Both issues where found by Coverity. Reviewed-by: NMarkus Armbruster <armbru@redhat.com> Signed-off-by: NFrank Blaschka <blaschka@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-
- 12 1月, 2015 1 次提交
-
-
由 Frank Blaschka 提交于
This patch implements the s390 pci instructions in qemu. It allows to access and drive pci devices attached to the s390 pci bus. Because of platform constrains devices using IO BARs are not supported. Also a device has to support MSI/MSI-X to run on s390. Signed-off-by: NFrank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
-