From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Raz Amir" Subject: Re: [PATCH v3] pci: save list of detached devices, and re-probe during driver unload Date: Tue, 10 Mar 2015 10:15:07 +0200 Message-ID: <084e01d05b0a$52f28350$f8d789f0$@gmail.com> References: <1424932400-66862-1-git-send-email-razamir22@gmail.com> <1425467754-2693-1-git-send-email-razamir22@gmail.com> <84B1AA3E-21E4-4A41-ADEE-B37E27147243@gmail.com> <20150309102742.GA960@bricha3-MOBL3> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: dev-VfR2kkLFssw@public.gmane.org To: "'Bruce Richardson'" Return-path: In-Reply-To: <20150309102742.GA960@bricha3-MOBL3> Content-Language: en-gb List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces-VfR2kkLFssw@public.gmane.org Sender: "dev" Sorry for that. Will send the new patch soon -----Original Message----- From: Bruce Richardson [mailto:bruce.richardson-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org] Sent: 09 March 2015 12:28 To: Raz Amir Cc: dev-VfR2kkLFssw@public.gmane.org Subject: Re: [PATCH v3] pci: save list of detached devices, and re-probe during driver unload On Mon, Mar 09, 2015 at 10:07:29AM +0200, Raz Amir wrote: > Hi, gentle reminder about this patch... > > On Mar 4, 2015, at 1:15 PM, Raz Amir wrote: > > Added code that saves the pointers to the detached devices, during > driver loading, and during driver unloading, go over the list, and > re-attach them by calling device_probe_and_attach on each device. > > Signed-off-by: Raz Amir > --- > lib/librte_eal/bsdapp/nic_uio/nic_uio.c | 32 > ++++++++++++++++++++++++++++---- > 1 file changed, 28 insertions(+), 4 deletions(-) > > diff --git a/lib/librte_eal/bsdapp/nic_uio/nic_uio.c > b/lib/librte_eal/bsdapp/nic_uio/nic_uio.c > index 5ae8560..78e4dea 100644 > --- a/lib/librte_eal/bsdapp/nic_uio/nic_uio.c > +++ b/lib/librte_eal/bsdapp/nic_uio/nic_uio.c > @@ -55,6 +55,9 @@ __FBSDID("$FreeBSD$"); > > #define MAX_BARS (PCIR_MAX_BAR_0 + 1) > > +#define MAX_DETACHED_DEVICES 128 > +static device_t detached_devices[MAX_DETACHED_DEVICES] = {}; static > +int num_detached = 0; > > struct nic_uio_softc { > device_t dev_t; > @@ -289,16 +292,37 @@ nic_uio_load(void) > > dev = pci_find_bsf(bus, device, function); > if (dev != NULL) > - for (i = 0; i < NUM_DEVICES; i++) > - if (pci_get_vendor(dev) == devices[i].vend && > - pci_get_device(dev) == devices[i].dev) > - device_detach(dev); > + continue; Since we have changed the body to be a continue statement, I think the condition above needs to be flipped. /Bruce