From 33848ceed79679b5c9e558b768447af2614b8db2 Mon Sep 17 00:00:00 2001 From: Cao jin Date: Wed, 21 Dec 2016 16:21:30 +0800 Subject: [PATCH] pcie_aer: Convert pcie_aer_init to Error When user specify invalid value for property aer_log_max, device should fail to create, and report appropriate message. Signed-off-by: Cao jin Reviewed-by: Marcel Apfelbaum Acked-by: Dmitry Fleytman Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/net/e1000e.c | 2 +- hw/pci-bridge/ioh3420.c | 3 ++- hw/pci-bridge/xio3130_downstream.c | 3 ++- hw/pci-bridge/xio3130_upstream.c | 3 ++- hw/pci/pcie_aer.c | 17 +++++++---------- include/hw/pci/pcie_aer.h | 4 ++-- 6 files changed, 16 insertions(+), 16 deletions(-) diff --git a/hw/net/e1000e.c b/hw/net/e1000e.c index 4994e1ca00..89f96eb4a0 100644 --- a/hw/net/e1000e.c +++ b/hw/net/e1000e.c @@ -472,7 +472,7 @@ static void e1000e_pci_realize(PCIDevice *pci_dev, Error **errp) hw_error("Failed to initialize PM capability"); } - if (pcie_aer_init(pci_dev, e1000e_aer_offset, PCI_ERR_SIZEOF) < 0) { + if (pcie_aer_init(pci_dev, e1000e_aer_offset, PCI_ERR_SIZEOF, NULL) < 0) { hw_error("Failed to initialize AER capability"); } diff --git a/hw/pci-bridge/ioh3420.c b/hw/pci-bridge/ioh3420.c index c8b5ac4207..04180af794 100644 --- a/hw/pci-bridge/ioh3420.c +++ b/hw/pci-bridge/ioh3420.c @@ -135,8 +135,9 @@ static int ioh3420_initfn(PCIDevice *d) goto err_pcie_cap; } - rc = pcie_aer_init(d, IOH_EP_AER_OFFSET, PCI_ERR_SIZEOF); + rc = pcie_aer_init(d, IOH_EP_AER_OFFSET, PCI_ERR_SIZEOF, &err); if (rc < 0) { + error_report_err(err); goto err; } pcie_aer_root_init(d); diff --git a/hw/pci-bridge/xio3130_downstream.c b/hw/pci-bridge/xio3130_downstream.c index cef6e1325e..571334185b 100644 --- a/hw/pci-bridge/xio3130_downstream.c +++ b/hw/pci-bridge/xio3130_downstream.c @@ -97,8 +97,9 @@ static int xio3130_downstream_initfn(PCIDevice *d) goto err_pcie_cap; } - rc = pcie_aer_init(d, XIO3130_AER_OFFSET, PCI_ERR_SIZEOF); + rc = pcie_aer_init(d, XIO3130_AER_OFFSET, PCI_ERR_SIZEOF, &err); if (rc < 0) { + error_report_err(err); goto err; } diff --git a/hw/pci-bridge/xio3130_upstream.c b/hw/pci-bridge/xio3130_upstream.c index 4ad0440aa1..94c1691006 100644 --- a/hw/pci-bridge/xio3130_upstream.c +++ b/hw/pci-bridge/xio3130_upstream.c @@ -85,8 +85,9 @@ static int xio3130_upstream_initfn(PCIDevice *d) pcie_cap_flr_init(d); pcie_cap_deverr_init(d); - rc = pcie_aer_init(d, XIO3130_AER_OFFSET, PCI_ERR_SIZEOF); + rc = pcie_aer_init(d, XIO3130_AER_OFFSET, PCI_ERR_SIZEOF, &err); if (rc < 0) { + error_report_err(err); goto err; } diff --git a/hw/pci/pcie_aer.c b/hw/pci/pcie_aer.c index 048ce6a424..2a4bd5aef6 100644 --- a/hw/pci/pcie_aer.c +++ b/hw/pci/pcie_aer.c @@ -29,6 +29,7 @@ #include "hw/pci/msi.h" #include "hw/pci/pci_bus.h" #include "hw/pci/pcie_regs.h" +#include "qapi/error.h" //#define DEBUG_PCIE #ifdef DEBUG_PCIE @@ -96,21 +97,17 @@ static void aer_log_clear_all_err(PCIEAERLog *aer_log) aer_log->log_num = 0; } -int pcie_aer_init(PCIDevice *dev, uint16_t offset, uint16_t size) +int pcie_aer_init(PCIDevice *dev, uint16_t offset, uint16_t size, + Error **errp) { - PCIExpressDevice *exp; - pcie_add_capability(dev, PCI_EXT_CAP_ID_ERR, PCI_ERR_VER, offset, size); - exp = &dev->exp; - exp->aer_cap = offset; + dev->exp.aer_cap = offset; - /* log_max is property */ - if (dev->exp.aer_log.log_max == PCIE_AER_LOG_MAX_UNSET) { - dev->exp.aer_log.log_max = PCIE_AER_LOG_MAX_DEFAULT; - } - /* clip down the value to avoid unreasobale memory usage */ + /* clip down the value to avoid unreasonable memory usage */ if (dev->exp.aer_log.log_max > PCIE_AER_LOG_MAX_LIMIT) { + error_setg(errp, "Invalid aer_log_max %d. The max number of aer log " + "is %d", dev->exp.aer_log.log_max, PCIE_AER_LOG_MAX_LIMIT); return -EINVAL; } dev->exp.aer_log.log = g_malloc0(sizeof dev->exp.aer_log.log[0] * diff --git a/include/hw/pci/pcie_aer.h b/include/hw/pci/pcie_aer.h index c2ee4e2bdb..5891b6816e 100644 --- a/include/hw/pci/pcie_aer.h +++ b/include/hw/pci/pcie_aer.h @@ -44,7 +44,6 @@ struct PCIEAERLog { */ #define PCIE_AER_LOG_MAX_DEFAULT 8 #define PCIE_AER_LOG_MAX_LIMIT 128 -#define PCIE_AER_LOG_MAX_UNSET 0xffff uint16_t log_max; /* Error log. log_max-sized array */ @@ -87,7 +86,8 @@ struct PCIEAERErr { extern const VMStateDescription vmstate_pcie_aer_log; -int pcie_aer_init(PCIDevice *dev, uint16_t offset, uint16_t size); +int pcie_aer_init(PCIDevice *dev, uint16_t offset, uint16_t size, + Error **errp); void pcie_aer_exit(PCIDevice *dev); void pcie_aer_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len);