From: Jonathan Cameron <Jonathan.Cameron@huawei.com> To: <qemu-devel@nongnu.org>, <linux-cxl@vger.kernel.org> Cc: Ben Widawsky <bwidawsk@kernel.org>, Dan Williams <dan.j.williams@intel.com> Subject: [RFC PATCH 1/3] hw/mem/cxl-type3: Add MSI/MSIX support Date: Wed, 31 Aug 2022 16:33:34 +0100 [thread overview] Message-ID: <20220831153336.16165-2-Jonathan.Cameron@huawei.com> (raw) In-Reply-To: <20220831153336.16165-1-Jonathan.Cameron@huawei.com> This will be used by several upcoming patch sets so break it out such that it doesn't matter which one lands first. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> --- hw/mem/cxl_type3.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index e0c1535b73..68d200144b 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -13,6 +13,8 @@ #include "qemu/rcu.h" #include "sysemu/hostmem.h" #include "hw/cxl/cxl.h" +#include "hw/pci/msi.h" +#include "hw/pci/msix.h" /* * Null value of all Fs suggested by IEEE RA guidelines for use of @@ -146,6 +148,8 @@ static void ct3_realize(PCIDevice *pci_dev, Error **errp) ComponentRegisters *regs = &cxl_cstate->crb; MemoryRegion *mr = ®s->component_registers; uint8_t *pci_conf = pci_dev->config; + unsigned short msix_num = 1; + int i; if (!cxl_setup_memory(ct3d, errp)) { return; @@ -180,6 +184,12 @@ static void ct3_realize(PCIDevice *pci_dev, Error **errp) PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64, &ct3d->cxl_dstate.device_registers); + + /* MSI(-X) Initailization */ + msix_init_exclusive_bar(pci_dev, msix_num, 4, NULL); + for (i = 0; i < msix_num; i++) { + msix_vector_use(pci_dev, i); + } } static void ct3_exit(PCIDevice *pci_dev) -- 2.32.0
WARNING: multiple messages have this Message-ID (diff)
From: Jonathan Cameron via <qemu-devel@nongnu.org> To: <qemu-devel@nongnu.org>, <linux-cxl@vger.kernel.org> Cc: Ben Widawsky <bwidawsk@kernel.org>, Dan Williams <dan.j.williams@intel.com> Subject: [RFC PATCH 1/3] hw/mem/cxl-type3: Add MSI/MSIX support Date: Wed, 31 Aug 2022 16:33:34 +0100 [thread overview] Message-ID: <20220831153336.16165-2-Jonathan.Cameron@huawei.com> (raw) In-Reply-To: <20220831153336.16165-1-Jonathan.Cameron@huawei.com> This will be used by several upcoming patch sets so break it out such that it doesn't matter which one lands first. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> --- hw/mem/cxl_type3.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index e0c1535b73..68d200144b 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -13,6 +13,8 @@ #include "qemu/rcu.h" #include "sysemu/hostmem.h" #include "hw/cxl/cxl.h" +#include "hw/pci/msi.h" +#include "hw/pci/msix.h" /* * Null value of all Fs suggested by IEEE RA guidelines for use of @@ -146,6 +148,8 @@ static void ct3_realize(PCIDevice *pci_dev, Error **errp) ComponentRegisters *regs = &cxl_cstate->crb; MemoryRegion *mr = ®s->component_registers; uint8_t *pci_conf = pci_dev->config; + unsigned short msix_num = 1; + int i; if (!cxl_setup_memory(ct3d, errp)) { return; @@ -180,6 +184,12 @@ static void ct3_realize(PCIDevice *pci_dev, Error **errp) PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64, &ct3d->cxl_dstate.device_registers); + + /* MSI(-X) Initailization */ + msix_init_exclusive_bar(pci_dev, msix_num, 4, NULL); + for (i = 0; i < msix_num; i++) { + msix_vector_use(pci_dev, i); + } } static void ct3_exit(PCIDevice *pci_dev) -- 2.32.0
next prev parent reply other threads:[~2022-08-31 15:34 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-08-31 15:33 [RFC PATCH 0/3] CXL Performance Monitoring Unit QEMU emulation Jonathan Cameron 2022-08-31 15:33 ` Jonathan Cameron via 2022-08-31 15:33 ` Jonathan Cameron [this message] 2022-08-31 15:33 ` [RFC PATCH 1/3] hw/mem/cxl-type3: Add MSI/MSIX support Jonathan Cameron via 2022-08-31 15:33 ` [RFC PATCH 2/3] hw/cxl: Switch to using an array for CXLRegisterLocator base addresses Jonathan Cameron 2022-08-31 15:33 ` Jonathan Cameron via 2022-08-31 15:33 ` [RFC PATCH 3/3] hw/cxl: CXL Performance Monitoring Unit (CPMU) Emulation Jonathan Cameron 2022-08-31 15:33 ` Jonathan Cameron via
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20220831153336.16165-2-Jonathan.Cameron@huawei.com \ --to=jonathan.cameron@huawei.com \ --cc=bwidawsk@kernel.org \ --cc=dan.j.williams@intel.com \ --cc=linux-cxl@vger.kernel.org \ --cc=qemu-devel@nongnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.