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Re: [Qemu-devel] [PATCH v4 1/2] pcie_aer: Convert pcie_aer_init to Error
From: |
Dmitry Fleytman |
Subject: |
Re: [Qemu-devel] [PATCH v4 1/2] pcie_aer: Convert pcie_aer_init to Error |
Date: |
Thu, 22 Dec 2016 17:00:38 +0200 |
Acked-by: Dmitry Fleytman <address@hidden>
> On 21 Dec 2016, at 10:21 AM, Cao jin <address@hidden> wrote:
>
> When user specify invalid value for property aer_log_max, device should
> fail to create, and report appropriate message.
>
> Signed-off-by: Cao jin <address@hidden>
> Reviewed-by: Marcel Apfelbaum <address@hidden>
> Acked-by: Dmitry Fleytman <address@hidden>
> ---
> 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 4994e1ca0062..89f96eb4a076 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 c8b5ac4207c5..04180af79471 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 cef6e1325ebf..571334185b42 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 4ad0440aa164..94c16910069e 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 048ce6a42455..2a4bd5aef639 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 c2ee4e2bdbfc..5891b6816e85 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);
> --
> 2.1.0
>
>
>