* [PATCH v2 1/2] bus/cdx: add support for devices without MSI [not found] <20231027162212.3353973-1-ferruh.yigit@amd.com> @ 2023-11-03 11:20 ` Shubham Rohila 2023-11-03 11:20 ` [PATCH v2 2/2] bus/cdx: add bus master enable/disable APIs Shubham Rohila ` (2 more replies) 2024-10-03 22:16 ` [PATCH] Add bus master enable/disable APIs for CDX devices Stephen Hemminger 1 sibling, 3 replies; 9+ messages in thread From: Shubham Rohila @ 2023-11-03 11:20 UTC (permalink / raw) To: nikhil.agarwal, david.marchand, nipun.gupta, dev Cc: thomas, ferruh.yigit, anatoly.burakov, Shubham Rohila From: Nikhil Agarwal <nikhil.agarwal@amd.com> Update the cleanup routine for cdx device to support device without MSI. Also, set vfio_dev_fd for such devices This fd can be used for BME reload operations. Signed-off-by: Nikhil Agarwal <nikhil.agarwal@amd.com> Signed-off-by: Shubham Rohila <shubham.rohila@amd.com> --- v2 - New patch in the series drivers/bus/cdx/cdx.c | 2 +- drivers/bus/cdx/cdx_vfio.c | 19 +++++++++---------- 2 files changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/bus/cdx/cdx.c b/drivers/bus/cdx/cdx.c index 541aae76c3..62b108e082 100644 --- a/drivers/bus/cdx/cdx.c +++ b/drivers/bus/cdx/cdx.c @@ -405,9 +405,9 @@ cdx_probe_one_driver(struct rte_cdx_driver *dr, return ret; error_probe: + cdx_vfio_unmap_resource(dev); rte_intr_instance_free(dev->intr_handle); dev->intr_handle = NULL; - cdx_vfio_unmap_resource(dev); error_map_device: return ret; } diff --git a/drivers/bus/cdx/cdx_vfio.c b/drivers/bus/cdx/cdx_vfio.c index 8a3ac0b995..8cac79782e 100644 --- a/drivers/bus/cdx/cdx_vfio.c +++ b/drivers/bus/cdx/cdx_vfio.c @@ -101,13 +101,12 @@ cdx_vfio_unmap_resource_primary(struct rte_cdx_device *dev) struct mapped_cdx_res_list *vfio_res_list; int ret, vfio_dev_fd; - if (rte_intr_fd_get(dev->intr_handle) < 0) - return -1; - - if (close(rte_intr_fd_get(dev->intr_handle)) < 0) { - CDX_BUS_ERR("Error when closing eventfd file descriptor for %s", - dev->device.name); - return -1; + if (rte_intr_fd_get(dev->intr_handle) >= 0) { + if (close(rte_intr_fd_get(dev->intr_handle)) < 0) { + CDX_BUS_ERR("Error when closing eventfd file descriptor for %s", + dev->device.name); + return -1; + } } vfio_dev_fd = rte_intr_dev_fd_get(dev->intr_handle); @@ -185,6 +184,9 @@ cdx_vfio_setup_interrupts(struct rte_cdx_device *dev, int vfio_dev_fd, { int i, ret; + if (rte_intr_dev_fd_set(dev->intr_handle, vfio_dev_fd)) + return -1; + if (num_irqs == 0) return 0; @@ -227,9 +229,6 @@ cdx_vfio_setup_interrupts(struct rte_cdx_device *dev, int vfio_dev_fd, if (rte_intr_type_set(dev->intr_handle, RTE_INTR_HANDLE_VFIO_MSIX)) return -1; - if (rte_intr_dev_fd_set(dev->intr_handle, vfio_dev_fd)) - return -1; - return 0; } -- 2.25.1 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH v2 2/2] bus/cdx: add bus master enable/disable APIs 2023-11-03 11:20 ` [PATCH v2 1/2] bus/cdx: add support for devices without MSI Shubham Rohila @ 2023-11-03 11:20 ` Shubham Rohila 2023-11-07 14:25 ` Gupta, Nipun 2023-11-06 17:04 ` [PATCH v2 1/2] bus/cdx: add support for devices without MSI Gupta, Nipun 2023-11-07 14:25 ` Gupta, Nipun 2 siblings, 1 reply; 9+ messages in thread From: Shubham Rohila @ 2023-11-03 11:20 UTC (permalink / raw) To: nikhil.agarwal, david.marchand, nipun.gupta, dev Cc: thomas, ferruh.yigit, anatoly.burakov, Shubham Rohila Define rte_cdx_vfio_bm_enable and rte_cdx_vfio_bm_disable to enable or disable bus master functionality for cdx devices. Signed-off-by: Shubham Rohila <shubham.rohila@amd.com> --- v2 - Fix indentations and alphabetical orderings. - Wrap checks in parenthesis for readability - Assign argsz before using in rte_cdx_vfio_bm_disable - Remove unecessary variable initialisation drivers/bus/cdx/bus_cdx_driver.h | 25 ++++++++ drivers/bus/cdx/cdx_vfio.c | 103 +++++++++++++++++++++++++++++++ drivers/bus/cdx/version.map | 2 + lib/eal/include/rte_vfio.h | 27 ++++++++ 4 files changed, 157 insertions(+) diff --git a/drivers/bus/cdx/bus_cdx_driver.h b/drivers/bus/cdx/bus_cdx_driver.h index 1c9a64c87a..211f8e406b 100644 --- a/drivers/bus/cdx/bus_cdx_driver.h +++ b/drivers/bus/cdx/bus_cdx_driver.h @@ -16,6 +16,7 @@ extern "C" { #include <stdlib.h> #include <inttypes.h> +#include <linux/types.h> #include <bus_driver.h> #include <dev_driver.h> @@ -178,6 +179,30 @@ int rte_cdx_vfio_intr_enable(const struct rte_intr_handle *intr_handle); __rte_internal int rte_cdx_vfio_intr_disable(const struct rte_intr_handle *intr_handle); +/** + * Enable Bus Mastering for CDX bus devices. + * + * @param dev + * Pointer to the cdx device. + * + * @return + * 0 on success, -1 on error. + */ +__rte_internal +int rte_cdx_vfio_bm_enable(struct rte_cdx_device *dev); + +/** + * Disable Bus Mastering for CDX bus devices. + * + * @param dev + * Pointer to the cdx device. + * + * @return + * 0 on success, -1 on error. + */ +__rte_internal +int rte_cdx_vfio_bm_disable(struct rte_cdx_device *dev); + /** * Unregister a CDX driver. * diff --git a/drivers/bus/cdx/cdx_vfio.c b/drivers/bus/cdx/cdx_vfio.c index 8cac79782e..1481022f13 100644 --- a/drivers/bus/cdx/cdx_vfio.c +++ b/drivers/bus/cdx/cdx_vfio.c @@ -102,6 +102,10 @@ cdx_vfio_unmap_resource_primary(struct rte_cdx_device *dev) int ret, vfio_dev_fd; if (rte_intr_fd_get(dev->intr_handle) >= 0) { + if (rte_cdx_vfio_bm_disable(dev) < 0) + CDX_BUS_ERR("Error when disabling bus master for %s", + dev->device.name); + if (close(rte_intr_fd_get(dev->intr_handle)) < 0) { CDX_BUS_ERR("Error when closing eventfd file descriptor for %s", dev->device.name); @@ -255,6 +259,16 @@ cdx_vfio_setup_device(struct rte_cdx_device *dev, int vfio_dev_fd, return -1; } + /* + * Enable Bus mastering for the device. errno is set as ENOTTY if + * device does not support configuring bus master. + */ + if (rte_cdx_vfio_bm_enable(dev) && (errno != -ENOTTY)) { + CDX_BUS_ERR("Bus master enable failure! Error: %d (%s)", errno, + strerror(errno)); + return -1; + } + return 0; } @@ -595,3 +609,92 @@ rte_cdx_vfio_intr_disable(const struct rte_intr_handle *intr_handle) return ret; } + +/* enable Bus Mastering */ +int +rte_cdx_vfio_bm_enable(struct rte_cdx_device *dev) +{ + struct vfio_device_info device_info = { .argsz = sizeof(device_info) }; + struct vfio_device_feature_bus_master *vfio_bm_feature; + struct vfio_device_feature *feature; + int vfio_dev_fd, ret; + size_t argsz; + + vfio_dev_fd = rte_intr_dev_fd_get(dev->intr_handle); + if (vfio_dev_fd < 0) + return -1; + + argsz = sizeof(struct vfio_device_feature) + sizeof(struct vfio_device_feature_bus_master); + + feature = (struct vfio_device_feature *)malloc(argsz); + if (!feature) + return -ENOMEM; + + vfio_bm_feature = (struct vfio_device_feature_bus_master *) feature->data; + + feature->argsz = argsz; + + feature->flags = RTE_VFIO_DEVICE_FEATURE_BUS_MASTER | VFIO_DEVICE_FEATURE_PROBE; + feature->flags |= VFIO_DEVICE_FEATURE_SET; + ret = ioctl(vfio_dev_fd, RTE_VFIO_DEVICE_FEATURE, feature); + if (ret) { + CDX_BUS_ERR("Bus Master configuring not supported for device: %s, error: %d (%s)\n", + dev->name, errno, strerror(errno)); + free(feature); + return ret; + } + + feature->flags = RTE_VFIO_DEVICE_FEATURE_BUS_MASTER | VFIO_DEVICE_FEATURE_SET; + vfio_bm_feature->op = VFIO_DEVICE_FEATURE_SET_MASTER; + ret = ioctl(vfio_dev_fd, RTE_VFIO_DEVICE_FEATURE, feature); + if (ret < 0) + CDX_BUS_ERR("BM Enable Error for device: %s, Error: %d (%s)\n", + dev->name, errno, strerror(errno)); + + free(feature); + return ret; +} + +/* Disable Bus Mastering */ +int +rte_cdx_vfio_bm_disable(struct rte_cdx_device *dev) +{ + struct vfio_device_feature_bus_master *vfio_bm_feature; + struct vfio_device_feature *feature; + int vfio_dev_fd, ret; + size_t argsz; + + vfio_dev_fd = rte_intr_dev_fd_get(dev->intr_handle); + if (vfio_dev_fd < 0) + return -1; + + argsz = sizeof(struct vfio_device_feature) + sizeof(struct vfio_device_feature_bus_master); + + feature = (struct vfio_device_feature *)malloc(argsz); + if (!feature) + return -ENOMEM; + + vfio_bm_feature = (struct vfio_device_feature_bus_master *) feature->data; + + feature->argsz = argsz; + + feature->flags = RTE_VFIO_DEVICE_FEATURE_BUS_MASTER | VFIO_DEVICE_FEATURE_PROBE; + feature->flags |= VFIO_DEVICE_FEATURE_SET; + ret = ioctl(vfio_dev_fd, RTE_VFIO_DEVICE_FEATURE, feature); + if (ret) { + CDX_BUS_ERR("Bus Master configuring not supported for device: %s, Error: %d (%s)\n", + dev->name, errno, strerror(errno)); + free(feature); + return ret; + } + + feature->flags = RTE_VFIO_DEVICE_FEATURE_BUS_MASTER | VFIO_DEVICE_FEATURE_SET; + vfio_bm_feature->op = VFIO_DEVICE_FEATURE_CLEAR_MASTER; + ret = ioctl(vfio_dev_fd, RTE_VFIO_DEVICE_FEATURE, feature); + if (ret < 0) + CDX_BUS_ERR("BM Disable Error for device: %s, Error: %d (%s)\n", + dev->name, errno, strerror(errno)); + + free(feature); + return ret; +} diff --git a/drivers/bus/cdx/version.map b/drivers/bus/cdx/version.map index 0a15d39ae8..7a22cf5b4b 100644 --- a/drivers/bus/cdx/version.map +++ b/drivers/bus/cdx/version.map @@ -5,6 +5,8 @@ INTERNAL { rte_cdx_register; rte_cdx_unmap_device; rte_cdx_unregister; + rte_cdx_vfio_bm_disable; + rte_cdx_vfio_bm_enable; rte_cdx_vfio_intr_disable; rte_cdx_vfio_intr_enable; diff --git a/lib/eal/include/rte_vfio.h b/lib/eal/include/rte_vfio.h index 3487c4f2a2..22832afd0f 100644 --- a/lib/eal/include/rte_vfio.h +++ b/lib/eal/include/rte_vfio.h @@ -73,6 +73,33 @@ struct vfio_info_cap_header { #define RTE_VFIO_CAP_MSIX_MAPPABLE 3 #endif +/* VFIO_DEVICE_FEATURE is defined for kernel version 5.7 and newer. */ +#ifdef VFIO_DEVICE_FEATURE +#define RTE_VFIO_DEVICE_FEATURE VFIO_DEVICE_FEATURE +#else +#define RTE_VFIO_DEVICE_FEATURE _IO(VFIO_TYPE, VFIO_BASE + 17) +struct vfio_device_feature { + __u32 argsz; + __u32 flags; +#define VFIO_DEVICE_FEATURE_MASK (0xffff) /* 16-bit feature index */ +#define VFIO_DEVICE_FEATURE_GET (1 << 16) /* Get feature into data[] */ +#define VFIO_DEVICE_FEATURE_SET (1 << 17) /* Set feature from data[] */ +#define VFIO_DEVICE_FEATURE_PROBE (1 << 18) /* Probe feature support */ + __u8 data[]; +}; +#endif + +#ifdef VFIO_DEVICE_FEATURE_BUS_MASTER +#define RTE_VFIO_DEVICE_FEATURE_BUS_MASTER VFIO_DEVICE_FEATURE_BUS_MASTER +#else +#define RTE_VFIO_DEVICE_FEATURE_BUS_MASTER 10 +struct vfio_device_feature_bus_master { + __u32 op; +#define VFIO_DEVICE_FEATURE_CLEAR_MASTER 0 /* Clear Bus Master */ +#define VFIO_DEVICE_FEATURE_SET_MASTER 1 /* Set Bus Master */ +}; +#endif + #else /* not VFIO_PRESENT */ /* we don't need an actual definition, only pointer is used */ -- 2.25.1 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: [PATCH v2 2/2] bus/cdx: add bus master enable/disable APIs 2023-11-03 11:20 ` [PATCH v2 2/2] bus/cdx: add bus master enable/disable APIs Shubham Rohila @ 2023-11-07 14:25 ` Gupta, Nipun 2023-11-12 13:36 ` Thomas Monjalon 0 siblings, 1 reply; 9+ messages in thread From: Gupta, Nipun @ 2023-11-07 14:25 UTC (permalink / raw) To: Shubham Rohila, nikhil.agarwal, david.marchand, dev Cc: thomas, ferruh.yigit, anatoly.burakov On 11/3/2023 4:50 PM, Shubham Rohila wrote: > Define rte_cdx_vfio_bm_enable and rte_cdx_vfio_bm_disable to > enable or disable bus master functionality for cdx devices. > > Signed-off-by: Shubham Rohila <shubham.rohila@amd.com> > --- > v2 > - Fix indentations and alphabetical orderings. > - Wrap checks in parenthesis for readability > - Assign argsz before using in rte_cdx_vfio_bm_disable > - Remove unecessary variable initialisation Acked-by: Nipun Gupta <nipun.gupta@amd.com> ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH v2 2/2] bus/cdx: add bus master enable/disable APIs 2023-11-07 14:25 ` Gupta, Nipun @ 2023-11-12 13:36 ` Thomas Monjalon 0 siblings, 0 replies; 9+ messages in thread From: Thomas Monjalon @ 2023-11-12 13:36 UTC (permalink / raw) To: Shubham Rohila Cc: nikhil.agarwal, david.marchand, dev, ferruh.yigit, anatoly.burakov, Gupta, Nipun 07/11/2023 15:25, Gupta, Nipun: > > On 11/3/2023 4:50 PM, Shubham Rohila wrote: > > Define rte_cdx_vfio_bm_enable and rte_cdx_vfio_bm_disable to > > enable or disable bus master functionality for cdx devices. > > > > Signed-off-by: Shubham Rohila <shubham.rohila@amd.com> > > --- > > v2 > > - Fix indentations and alphabetical orderings. > > - Wrap checks in parenthesis for readability > > - Assign argsz before using in rte_cdx_vfio_bm_disable > > - Remove unecessary variable initialisation > > Acked-by: Nipun Gupta <nipun.gupta@amd.com> Applied, thanks. ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH v2 1/2] bus/cdx: add support for devices without MSI 2023-11-03 11:20 ` [PATCH v2 1/2] bus/cdx: add support for devices without MSI Shubham Rohila 2023-11-03 11:20 ` [PATCH v2 2/2] bus/cdx: add bus master enable/disable APIs Shubham Rohila @ 2023-11-06 17:04 ` Gupta, Nipun 2023-11-06 17:54 ` Agarwal, Nikhil 2023-11-07 14:25 ` Gupta, Nipun 2 siblings, 1 reply; 9+ messages in thread From: Gupta, Nipun @ 2023-11-06 17:04 UTC (permalink / raw) To: Shubham Rohila, nikhil.agarwal, david.marchand, dev Cc: thomas, ferruh.yigit, anatoly.burakov On 11/3/2023 4:50 PM, Shubham Rohila wrote: > From: Nikhil Agarwal <nikhil.agarwal@amd.com> > > Update the cleanup routine for cdx device to support > device without MSI. Also, set vfio_dev_fd for such devices > This fd can be used for BME reload operations. > > Signed-off-by: Nikhil Agarwal <nikhil.agarwal@amd.com> > Signed-off-by: Shubham Rohila <shubham.rohila@amd.com> > --- > v2 > - New patch in the series > drivers/bus/cdx/cdx.c | 2 +- > drivers/bus/cdx/cdx_vfio.c | 19 +++++++++---------- > 2 files changed, 10 insertions(+), 11 deletions(-) > > diff --git a/drivers/bus/cdx/cdx.c b/drivers/bus/cdx/cdx.c > index 541aae76c3..62b108e082 100644 > --- a/drivers/bus/cdx/cdx.c > +++ b/drivers/bus/cdx/cdx.c > @@ -405,9 +405,9 @@ cdx_probe_one_driver(struct rte_cdx_driver *dr, > return ret; > > error_probe: > + cdx_vfio_unmap_resource(dev); > rte_intr_instance_free(dev->intr_handle); > dev->intr_handle = NULL; > - cdx_vfio_unmap_resource(dev); > error_map_device: > return ret; > } > diff --git a/drivers/bus/cdx/cdx_vfio.c b/drivers/bus/cdx/cdx_vfio.c > index 8a3ac0b995..8cac79782e 100644 > --- a/drivers/bus/cdx/cdx_vfio.c > +++ b/drivers/bus/cdx/cdx_vfio.c > @@ -101,13 +101,12 @@ cdx_vfio_unmap_resource_primary(struct rte_cdx_device *dev) > struct mapped_cdx_res_list *vfio_res_list; > int ret, vfio_dev_fd; > > - if (rte_intr_fd_get(dev->intr_handle) < 0) > - return -1; Why is this check removed? If VFIO fd is not there we may not proceed with other VFIO cleanup? ^ permalink raw reply [flat|nested] 9+ messages in thread
* RE: [PATCH v2 1/2] bus/cdx: add support for devices without MSI 2023-11-06 17:04 ` [PATCH v2 1/2] bus/cdx: add support for devices without MSI Gupta, Nipun @ 2023-11-06 17:54 ` Agarwal, Nikhil 0 siblings, 0 replies; 9+ messages in thread From: Agarwal, Nikhil @ 2023-11-06 17:54 UTC (permalink / raw) To: Gupta, Nipun Cc: thomas@monjalon.net, Yigit, Ferruh, anatoly.burakov@intel.com, Rohila, Shubham, david.marchand@redhat.com, dev@dpdk.org [AMD Official Use Only - General] Hi Nipun, > -----Original Message----- > > diff --git a/drivers/bus/cdx/cdx_vfio.c b/drivers/bus/cdx/cdx_vfio.c > > index 8a3ac0b995..8cac79782e 100644 > > --- a/drivers/bus/cdx/cdx_vfio.c > > +++ b/drivers/bus/cdx/cdx_vfio.c > > @@ -101,13 +101,12 @@ cdx_vfio_unmap_resource_primary(struct > rte_cdx_device *dev) > > struct mapped_cdx_res_list *vfio_res_list; > > int ret, vfio_dev_fd; > > > > - if (rte_intr_fd_get(dev->intr_handle) < 0) > > - return -1; > > Why is this check removed? If VFIO fd is not there we may not proceed with > other VFIO cleanup? This check was removed from here but added later for interrupt specific cleanup section. It was causing other cleanup in the function to be skipped in case device does not support MSI. ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH v2 1/2] bus/cdx: add support for devices without MSI 2023-11-03 11:20 ` [PATCH v2 1/2] bus/cdx: add support for devices without MSI Shubham Rohila 2023-11-03 11:20 ` [PATCH v2 2/2] bus/cdx: add bus master enable/disable APIs Shubham Rohila 2023-11-06 17:04 ` [PATCH v2 1/2] bus/cdx: add support for devices without MSI Gupta, Nipun @ 2023-11-07 14:25 ` Gupta, Nipun 2 siblings, 0 replies; 9+ messages in thread From: Gupta, Nipun @ 2023-11-07 14:25 UTC (permalink / raw) To: Shubham Rohila, nikhil.agarwal, david.marchand, dev Cc: thomas, ferruh.yigit, anatoly.burakov On 11/3/2023 4:50 PM, Shubham Rohila wrote: > From: Nikhil Agarwal <nikhil.agarwal@amd.com> > > Update the cleanup routine for cdx device to support > device without MSI. Also, set vfio_dev_fd for such devices > This fd can be used for BME reload operations. > > Signed-off-by: Nikhil Agarwal <nikhil.agarwal@amd.com> > Signed-off-by: Shubham Rohila <shubham.rohila@amd.com> Acked-by: Nipun Gupta <nipun.gupta@amd.com> ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] Add bus master enable/disable APIs for CDX devices [not found] <20231027162212.3353973-1-ferruh.yigit@amd.com> 2023-11-03 11:20 ` [PATCH v2 1/2] bus/cdx: add support for devices without MSI Shubham Rohila @ 2024-10-03 22:16 ` Stephen Hemminger 2024-10-03 22:48 ` Ferruh Yigit 1 sibling, 1 reply; 9+ messages in thread From: Stephen Hemminger @ 2024-10-03 22:16 UTC (permalink / raw) To: Ferruh Yigit Cc: dev, nikhil.agarwal, nipun.gupta, david.marchand, thomas, anatoly.burakov, Shubham Rohila On Fri, 27 Oct 2023 17:22:11 +0100 Ferruh Yigit <ferruh.yigit@amd.com> wrote: > From: Shubham Rohila <shubham.rohila@amd.com> > > Define rte_cdx_vfio_bm_enable and rte_cdx_vfio_bm_disable to > enable or disable bus master functionality for cdx devices. > > Signed-off-by: Shubham Rohila <shubham.rohila@amd.com> This version of the patch had lots test failures, could you clean up and resubmit. ^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] Add bus master enable/disable APIs for CDX devices 2024-10-03 22:16 ` [PATCH] Add bus master enable/disable APIs for CDX devices Stephen Hemminger @ 2024-10-03 22:48 ` Ferruh Yigit 0 siblings, 0 replies; 9+ messages in thread From: Ferruh Yigit @ 2024-10-03 22:48 UTC (permalink / raw) To: Stephen Hemminger Cc: dev, nikhil.agarwal, nipun.gupta, david.marchand, thomas, anatoly.burakov, Shubham Rohila On 10/3/2024 11:16 PM, Stephen Hemminger wrote: > On Fri, 27 Oct 2023 17:22:11 +0100 > Ferruh Yigit <ferruh.yigit@amd.com> wrote: > >> From: Shubham Rohila <shubham.rohila@amd.com> >> >> Define rte_cdx_vfio_bm_enable and rte_cdx_vfio_bm_disable to >> enable or disable bus master functionality for cdx devices. >> >> Signed-off-by: Shubham Rohila <shubham.rohila@amd.com> > > This version of the patch had lots test failures, could you clean > up and resubmit. > v2 of the patch already merged. Probably missed to update the status of this patch in the patchwork, I will update it as 'superseded' ^ permalink raw reply [flat|nested] 9+ messages in thread
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[not found] <20231027162212.3353973-1-ferruh.yigit@amd.com>
2023-11-03 11:20 ` [PATCH v2 1/2] bus/cdx: add support for devices without MSI Shubham Rohila
2023-11-03 11:20 ` [PATCH v2 2/2] bus/cdx: add bus master enable/disable APIs Shubham Rohila
2023-11-07 14:25 ` Gupta, Nipun
2023-11-12 13:36 ` Thomas Monjalon
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2023-11-07 14:25 ` Gupta, Nipun
2024-10-03 22:16 ` [PATCH] Add bus master enable/disable APIs for CDX devices Stephen Hemminger
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