Message ID | 1359049929-17069-1-git-send-email-dmilburn@redhat.com |
---|---|
State | Not Applicable |
Delegated to: | David Miller |
Headers | show |
David Milburn wrote: > Export <global port>.<local port> format through /sys > > ./pci0000:00/0000:00:1f.2/ata1.1 > ./pci0000:00/0000:00:1f.2/ata1.1/link1.1/dev1.1.0/ata_device > ./pci0000:00/0000:00:1f.2/ata1.1/link1.1/ata_link > ./pci0000:00/0000:00:1f.2/ata1.1/ata_port > ./pci0000:00/0000:00:1f.2/ata1.1/ata_port/ata1.1 > ./pci0000:00/0000:00:1f.2/ata2.2 > ./pci0000:00/0000:00:1f.2/ata2.2/link2.2/dev2.2.0/ata_device > ./pci0000:00/0000:00:1f.2/ata2.2/link2.2/ata_link > ./pci0000:00/0000:00:1f.2/ata2.2/ata_port > ./pci0000:00/0000:00:1f.2/ata2.2/ata_port/ata2.2 > ./pci0000:00/0000:00:1f.2/ata3.3 > ./pci0000:00/0000:00:1f.2/ata3.3/link3.3/dev3.3.0/ata_device > ./pci0000:00/0000:00:1f.2/ata3.3/link3.3/ata_link > ./pci0000:00/0000:00:1f.2/ata3.3/ata_port > ./pci0000:00/0000:00:1f.2/ata3.3/ata_port/ata3.3 > ./pci0000:00/0000:00:1f.2/ata4.4 > ./pci0000:00/0000:00:1f.2/ata4.4/link4.4/dev4.4.0/ata_device > ./pci0000:00/0000:00:1f.2/ata4.4/link4.4/ata_link > ./pci0000:00/0000:00:1f.2/ata4.4/ata_port > ./pci0000:00/0000:00:1f.2/ata4.4/ata_port/ata4.4 > ./pci0000:00/0000:00:1f.2/ata5.5 > ./pci0000:00/0000:00:1f.2/ata5.5/link5.5/dev5.5.0/ata_device > ./pci0000:00/0000:00:1f.2/ata5.5/link5.5/ata_link > ./pci0000:00/0000:00:1f.2/ata5.5/ata_port > ./pci0000:00/0000:00:1f.2/ata5.5/ata_port/ata5.5 > ./pci0000:00/0000:00:1f.2/ata6.6 > ./pci0000:00/0000:00:1f.2/ata6.6/link6.6/dev6.6.0/ata_device > ./pci0000:00/0000:00:1f.2/ata6.6/link6.6/ata_link > ./pci0000:00/0000:00:1f.2/ata6.6/ata_port > ./pci0000:00/0000:00:1f.2/ata6.6/ata_port/ata6.6 > > (2nd controller with port multiplier) > > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1 > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.10/dev7.1.10.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.10/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.11/dev7.1.11.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.11/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.12/dev7.1.12.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.12/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.13/dev7.1.13.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.13/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.14/dev7.1.14.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.14/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1/dev7.1.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.0/dev7.1.0.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.0/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.1/dev7.1.1.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.1/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.2/dev7.1.2.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.2/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.3/dev7.1.3.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.3/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.4/dev7.1.4.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.4/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.5/dev7.1.5.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.5/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.6/dev7.1.6.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.6/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.7/dev7.1.7.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.7/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.8/dev7.1.8.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.8/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.9/dev7.1.9.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.9/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/ata_port > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/ata_port/ata7.1 > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2 > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/link8.2/dev8.2.0/ata_device > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/link8.2/ata_link > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/ata_port > ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/ata_port/ata8.2 > > Signed-off-by: David Milburn <dmilburn@redhat.com> > --- > This could be modified to fit on top of "Insert ATA transport objects in SCSI > sysfs topology". > > drivers/ata/libata-core.c | 6 ++++-- > drivers/ata/libata-transport.c | 10 +++++----- > include/linux/libata.h | 1 + > 3 files changed, 10 insertions(+), 7 deletions(-) > > diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c > index 4b6fb48..a796482 100644 > --- a/drivers/ata/libata-core.c > +++ b/drivers/ata/libata-core.c > @@ -5629,6 +5629,7 @@ struct ata_port *ata_port_alloc(struct ata_host *host) > ap->pflags |= ATA_PFLAG_INITIALIZING | ATA_PFLAG_FROZEN; > ap->lock = &host->lock; > ap->print_id = -1; > + ap->local_print_id = -1; > ap->host = host; > ap->dev = host->dev; > > @@ -6119,9 +6120,10 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht) > kfree(host->ports[i]); > > /* give ports names and add SCSI hosts */ > - for (i = 0; i < host->n_ports; i++) > + for (i = 0; i < host->n_ports; i++) { > host->ports[i]->print_id = atomic_inc_return(&ata_print_id); > - > + host->ports[i]->local_print_id = i + 1; > + } > > /* Create associated sysfs transport objects */ > for (i = 0; i < host->n_ports; i++) { > diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c > index c04d393..176bed8 100644 > --- a/drivers/ata/libata-transport.c > +++ b/drivers/ata/libata-transport.c > @@ -284,7 +284,7 @@ int ata_tport_add(struct device *parent, > > dev->parent = get_device(parent); > dev->release = ata_tport_release; > - dev_set_name(dev, "ata%d", ap->print_id); > + dev_set_name(dev, "ata%d.%d", ap->print_id, ap->local_print_id); > transport_setup_device(dev); > error = device_add(dev); > if (error) { > @@ -410,9 +410,9 @@ int ata_tlink_add(struct ata_link *link) > dev->parent = get_device(&ap->tdev); > dev->release = ata_tlink_release; > if (ata_is_host_link(link)) > - dev_set_name(dev, "link%d", ap->print_id); > + dev_set_name(dev, "link%d.%d", ap->print_id, ap->local_print_id); > else > - dev_set_name(dev, "link%d.%d", ap->print_id, link->pmp); > + dev_set_name(dev, "link%d.%d.%d", ap->print_id, ap->local_print_id, link->pmp); > > transport_setup_device(dev); > > @@ -638,9 +638,9 @@ static int ata_tdev_add(struct ata_device *ata_dev) > dev->parent = get_device(&link->tdev); > dev->release = ata_tdev_release; > if (ata_is_host_link(link)) > - dev_set_name(dev, "dev%d.%d", ap->print_id,ata_dev->devno); > + dev_set_name(dev, "dev%d.%d.%d", ap->print_id, ap->local_print_id, ata_dev->devno); > else > - dev_set_name(dev, "dev%d.%d.0", ap->print_id, link->pmp); > + dev_set_name(dev, "dev%d.%d.%d.0", ap->print_id, ap->local_print_id, link->pmp); > > transport_setup_device(dev); > error = device_add(dev); > diff --git a/include/linux/libata.h b/include/linux/libata.h > index 91c9d10..62d5c1a 100644 > --- a/include/linux/libata.h > +++ b/include/linux/libata.h > @@ -745,6 +745,7 @@ struct ata_port { > /* Flags that change dynamically, protected by ap->lock */ > unsigned int pflags; /* ATA_PFLAG_xxx */ > unsigned int print_id; /* user visible unique port ID */ > + unsigned int local_print_id; /* host local port ID */ > unsigned int port_no; /* 0 based port no. inside the host */ > > #ifdef CONFIG_ATA_SFF Hi Jeff, Gwendal, Kay, Any thoughts on this patch, is this something we could consider for 3.9? Thanks, David > -- > To unsubscribe from this list: send the line "unsubscribe linux-ide" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 02/25/2013 04:04 PM, David Milburn wrote: > Hi Jeff, Gwendal, Kay, > > Any thoughts on this patch, is this something we could consider for > 3.9? As I noted in the upstream push email (and associated git tag text), it did not seem like all parties were happy with the sysfs layout. Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Mon, Feb 25, 2013 at 10:04 PM, David Milburn <dmilburn@redhat.com> wrote: > David Milburn wrote: >> >> Export <global port>.<local port> format through /sys >> >> ./pci0000:00/0000:00:1f.2/ata1.1 >> ./pci0000:00/0000:00:1f.2/ata1.1/link1.1/dev1.1.0/ata_device >> ./pci0000:00/0000:00:1f.2/ata1.1/link1.1/ata_link >> ./pci0000:00/0000:00:1f.2/ata1.1/ata_port >> ./pci0000:00/0000:00:1f.2/ata1.1/ata_port/ata1.1 >> ./pci0000:00/0000:00:1f.2/ata2.2 >> ./pci0000:00/0000:00:1f.2/ata2.2/link2.2/dev2.2.0/ata_device >> ./pci0000:00/0000:00:1f.2/ata2.2/link2.2/ata_link >> ./pci0000:00/0000:00:1f.2/ata2.2/ata_port >> ./pci0000:00/0000:00:1f.2/ata2.2/ata_port/ata2.2 >> ./pci0000:00/0000:00:1f.2/ata3.3 >> ./pci0000:00/0000:00:1f.2/ata3.3/link3.3/dev3.3.0/ata_device >> ./pci0000:00/0000:00:1f.2/ata3.3/link3.3/ata_link >> ./pci0000:00/0000:00:1f.2/ata3.3/ata_port >> ./pci0000:00/0000:00:1f.2/ata3.3/ata_port/ata3.3 >> ./pci0000:00/0000:00:1f.2/ata4.4 >> ./pci0000:00/0000:00:1f.2/ata4.4/link4.4/dev4.4.0/ata_device >> ./pci0000:00/0000:00:1f.2/ata4.4/link4.4/ata_link >> ./pci0000:00/0000:00:1f.2/ata4.4/ata_port >> ./pci0000:00/0000:00:1f.2/ata4.4/ata_port/ata4.4 >> ./pci0000:00/0000:00:1f.2/ata5.5 >> ./pci0000:00/0000:00:1f.2/ata5.5/link5.5/dev5.5.0/ata_device >> ./pci0000:00/0000:00:1f.2/ata5.5/link5.5/ata_link >> ./pci0000:00/0000:00:1f.2/ata5.5/ata_port >> ./pci0000:00/0000:00:1f.2/ata5.5/ata_port/ata5.5 >> ./pci0000:00/0000:00:1f.2/ata6.6 >> ./pci0000:00/0000:00:1f.2/ata6.6/link6.6/dev6.6.0/ata_device >> ./pci0000:00/0000:00:1f.2/ata6.6/link6.6/ata_link >> ./pci0000:00/0000:00:1f.2/ata6.6/ata_port >> ./pci0000:00/0000:00:1f.2/ata6.6/ata_port/ata6.6 >> >> (2nd controller with port multiplier) >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1 >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.10/dev7.1.10.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.10/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.11/dev7.1.11.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.11/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.12/dev7.1.12.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.12/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.13/dev7.1.13.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.13/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.14/dev7.1.14.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.14/ata_link >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1/dev7.1.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.0/dev7.1.0.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.0/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.1/dev7.1.1.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.1/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.2/dev7.1.2.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.2/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.3/dev7.1.3.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.3/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.4/dev7.1.4.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.4/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.5/dev7.1.5.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.5/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.6/dev7.1.6.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.6/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.7/dev7.1.7.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.7/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.8/dev7.1.8.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.8/ata_link >> >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.9/dev7.1.9.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.9/ata_link >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/ata_port >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/ata_port/ata7.1 >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2 >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/link8.2/dev8.2.0/ata_device >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/link8.2/ata_link >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/ata_port >> ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/ata_port/ata8.2 >> >> Signed-off-by: David Milburn <dmilburn@redhat.com> >> --- >> This could be modified to fit on top of "Insert ATA transport objects in >> SCSI >> sysfs topology". >> >> drivers/ata/libata-core.c | 6 ++++-- >> drivers/ata/libata-transport.c | 10 +++++----- >> include/linux/libata.h | 1 + >> 3 files changed, 10 insertions(+), 7 deletions(-) >> >> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c >> index 4b6fb48..a796482 100644 >> --- a/drivers/ata/libata-core.c >> +++ b/drivers/ata/libata-core.c >> @@ -5629,6 +5629,7 @@ struct ata_port *ata_port_alloc(struct ata_host >> *host) >> ap->pflags |= ATA_PFLAG_INITIALIZING | ATA_PFLAG_FROZEN; >> ap->lock = &host->lock; >> ap->print_id = -1; >> + ap->local_print_id = -1; >> ap->host = host; >> ap->dev = host->dev; >> @@ -6119,9 +6120,10 @@ int ata_host_register(struct ata_host *host, >> struct scsi_host_template *sht) >> kfree(host->ports[i]); >> /* give ports names and add SCSI hosts */ >> - for (i = 0; i < host->n_ports; i++) >> + for (i = 0; i < host->n_ports; i++) { >> host->ports[i]->print_id = >> atomic_inc_return(&ata_print_id); >> - >> + host->ports[i]->local_print_id = i + 1; >> + } >> /* Create associated sysfs transport objects */ >> for (i = 0; i < host->n_ports; i++) { >> diff --git a/drivers/ata/libata-transport.c >> b/drivers/ata/libata-transport.c >> index c04d393..176bed8 100644 >> --- a/drivers/ata/libata-transport.c >> +++ b/drivers/ata/libata-transport.c >> @@ -284,7 +284,7 @@ int ata_tport_add(struct device *parent, >> dev->parent = get_device(parent); >> dev->release = ata_tport_release; >> - dev_set_name(dev, "ata%d", ap->print_id); >> + dev_set_name(dev, "ata%d.%d", ap->print_id, ap->local_print_id); >> transport_setup_device(dev); >> error = device_add(dev); >> if (error) { >> @@ -410,9 +410,9 @@ int ata_tlink_add(struct ata_link *link) >> dev->parent = get_device(&ap->tdev); >> dev->release = ata_tlink_release; >> if (ata_is_host_link(link)) >> - dev_set_name(dev, "link%d", ap->print_id); >> + dev_set_name(dev, "link%d.%d", ap->print_id, >> ap->local_print_id); >> else >> - dev_set_name(dev, "link%d.%d", ap->print_id, link->pmp); >> + dev_set_name(dev, "link%d.%d.%d", ap->print_id, >> ap->local_print_id, link->pmp); >> transport_setup_device(dev); >> @@ -638,9 +638,9 @@ static int ata_tdev_add(struct ata_device *ata_dev) >> dev->parent = get_device(&link->tdev); >> dev->release = ata_tdev_release; >> if (ata_is_host_link(link)) >> - dev_set_name(dev, "dev%d.%d", >> ap->print_id,ata_dev->devno); >> + dev_set_name(dev, "dev%d.%d.%d", ap->print_id, >> ap->local_print_id, ata_dev->devno); >> else >> - dev_set_name(dev, "dev%d.%d.0", ap->print_id, link->pmp); >> + dev_set_name(dev, "dev%d.%d.%d.0", ap->print_id, >> ap->local_print_id, link->pmp); >> transport_setup_device(dev); >> error = device_add(dev); >> diff --git a/include/linux/libata.h b/include/linux/libata.h >> index 91c9d10..62d5c1a 100644 >> --- a/include/linux/libata.h >> +++ b/include/linux/libata.h >> @@ -745,6 +745,7 @@ struct ata_port { >> /* Flags that change dynamically, protected by ap->lock */ >> unsigned int pflags; /* ATA_PFLAG_xxx */ >> unsigned int print_id; /* user visible unique port ID >> */ >> + unsigned int local_print_id; /* host local port ID */ >> unsigned int port_no; /* 0 based port no. inside the >> host */ >> #ifdef CONFIG_ATA_SFF > > > Hi Jeff, Gwendal, Kay, > > Any thoughts on this patch, is this something we could consider for > 3.9? Hannes, could you please take a look at this? We need to find out what the best options are to use to compose persistent links in /dev/disk/by-path/. Cheers, Kay -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 02/26/2013 04:26 PM, Kay Sievers wrote: > On Mon, Feb 25, 2013 at 10:04 PM, David Milburn <dmilburn@redhat.com> wrote: >> David Milburn wrote: >>> >>> Export <global port>.<local port> format through /sys >>> >>> ./pci0000:00/0000:00:1f.2/ata1.1 >>> ./pci0000:00/0000:00:1f.2/ata1.1/link1.1/dev1.1.0/ata_device >>> ./pci0000:00/0000:00:1f.2/ata1.1/link1.1/ata_link >>> ./pci0000:00/0000:00:1f.2/ata1.1/ata_port >>> ./pci0000:00/0000:00:1f.2/ata1.1/ata_port/ata1.1 >>> ./pci0000:00/0000:00:1f.2/ata2.2 >>> ./pci0000:00/0000:00:1f.2/ata2.2/link2.2/dev2.2.0/ata_device >>> ./pci0000:00/0000:00:1f.2/ata2.2/link2.2/ata_link >>> ./pci0000:00/0000:00:1f.2/ata2.2/ata_port >>> ./pci0000:00/0000:00:1f.2/ata2.2/ata_port/ata2.2 >>> ./pci0000:00/0000:00:1f.2/ata3.3 >>> ./pci0000:00/0000:00:1f.2/ata3.3/link3.3/dev3.3.0/ata_device >>> ./pci0000:00/0000:00:1f.2/ata3.3/link3.3/ata_link >>> ./pci0000:00/0000:00:1f.2/ata3.3/ata_port >>> ./pci0000:00/0000:00:1f.2/ata3.3/ata_port/ata3.3 >>> ./pci0000:00/0000:00:1f.2/ata4.4 >>> ./pci0000:00/0000:00:1f.2/ata4.4/link4.4/dev4.4.0/ata_device >>> ./pci0000:00/0000:00:1f.2/ata4.4/link4.4/ata_link >>> ./pci0000:00/0000:00:1f.2/ata4.4/ata_port >>> ./pci0000:00/0000:00:1f.2/ata4.4/ata_port/ata4.4 >>> ./pci0000:00/0000:00:1f.2/ata5.5 >>> ./pci0000:00/0000:00:1f.2/ata5.5/link5.5/dev5.5.0/ata_device >>> ./pci0000:00/0000:00:1f.2/ata5.5/link5.5/ata_link >>> ./pci0000:00/0000:00:1f.2/ata5.5/ata_port >>> ./pci0000:00/0000:00:1f.2/ata5.5/ata_port/ata5.5 >>> ./pci0000:00/0000:00:1f.2/ata6.6 >>> ./pci0000:00/0000:00:1f.2/ata6.6/link6.6/dev6.6.0/ata_device >>> ./pci0000:00/0000:00:1f.2/ata6.6/link6.6/ata_link >>> ./pci0000:00/0000:00:1f.2/ata6.6/ata_port >>> ./pci0000:00/0000:00:1f.2/ata6.6/ata_port/ata6.6 >>> Hmm. Can't say I like the 'global port' notation. Personally I would prefer to have a sysfs attribute for the local port number, and have path_id get it from there. For 95% of all cases the above is just an information duplication (ie it'll only provide a real value for udev, but not for the user). So, please, use a sysfs attribute for the local port and keep the numbering as it is. Cheers, Hannes
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4b6fb48..a796482 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -5629,6 +5629,7 @@ struct ata_port *ata_port_alloc(struct ata_host *host) ap->pflags |= ATA_PFLAG_INITIALIZING | ATA_PFLAG_FROZEN; ap->lock = &host->lock; ap->print_id = -1; + ap->local_print_id = -1; ap->host = host; ap->dev = host->dev; @@ -6119,9 +6120,10 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht) kfree(host->ports[i]); /* give ports names and add SCSI hosts */ - for (i = 0; i < host->n_ports; i++) + for (i = 0; i < host->n_ports; i++) { host->ports[i]->print_id = atomic_inc_return(&ata_print_id); - + host->ports[i]->local_print_id = i + 1; + } /* Create associated sysfs transport objects */ for (i = 0; i < host->n_ports; i++) { diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c index c04d393..176bed8 100644 --- a/drivers/ata/libata-transport.c +++ b/drivers/ata/libata-transport.c @@ -284,7 +284,7 @@ int ata_tport_add(struct device *parent, dev->parent = get_device(parent); dev->release = ata_tport_release; - dev_set_name(dev, "ata%d", ap->print_id); + dev_set_name(dev, "ata%d.%d", ap->print_id, ap->local_print_id); transport_setup_device(dev); error = device_add(dev); if (error) { @@ -410,9 +410,9 @@ int ata_tlink_add(struct ata_link *link) dev->parent = get_device(&ap->tdev); dev->release = ata_tlink_release; if (ata_is_host_link(link)) - dev_set_name(dev, "link%d", ap->print_id); + dev_set_name(dev, "link%d.%d", ap->print_id, ap->local_print_id); else - dev_set_name(dev, "link%d.%d", ap->print_id, link->pmp); + dev_set_name(dev, "link%d.%d.%d", ap->print_id, ap->local_print_id, link->pmp); transport_setup_device(dev); @@ -638,9 +638,9 @@ static int ata_tdev_add(struct ata_device *ata_dev) dev->parent = get_device(&link->tdev); dev->release = ata_tdev_release; if (ata_is_host_link(link)) - dev_set_name(dev, "dev%d.%d", ap->print_id,ata_dev->devno); + dev_set_name(dev, "dev%d.%d.%d", ap->print_id, ap->local_print_id, ata_dev->devno); else - dev_set_name(dev, "dev%d.%d.0", ap->print_id, link->pmp); + dev_set_name(dev, "dev%d.%d.%d.0", ap->print_id, ap->local_print_id, link->pmp); transport_setup_device(dev); error = device_add(dev); diff --git a/include/linux/libata.h b/include/linux/libata.h index 91c9d10..62d5c1a 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -745,6 +745,7 @@ struct ata_port { /* Flags that change dynamically, protected by ap->lock */ unsigned int pflags; /* ATA_PFLAG_xxx */ unsigned int print_id; /* user visible unique port ID */ + unsigned int local_print_id; /* host local port ID */ unsigned int port_no; /* 0 based port no. inside the host */ #ifdef CONFIG_ATA_SFF
Export <global port>.<local port> format through /sys ./pci0000:00/0000:00:1f.2/ata1.1 ./pci0000:00/0000:00:1f.2/ata1.1/link1.1/dev1.1.0/ata_device ./pci0000:00/0000:00:1f.2/ata1.1/link1.1/ata_link ./pci0000:00/0000:00:1f.2/ata1.1/ata_port ./pci0000:00/0000:00:1f.2/ata1.1/ata_port/ata1.1 ./pci0000:00/0000:00:1f.2/ata2.2 ./pci0000:00/0000:00:1f.2/ata2.2/link2.2/dev2.2.0/ata_device ./pci0000:00/0000:00:1f.2/ata2.2/link2.2/ata_link ./pci0000:00/0000:00:1f.2/ata2.2/ata_port ./pci0000:00/0000:00:1f.2/ata2.2/ata_port/ata2.2 ./pci0000:00/0000:00:1f.2/ata3.3 ./pci0000:00/0000:00:1f.2/ata3.3/link3.3/dev3.3.0/ata_device ./pci0000:00/0000:00:1f.2/ata3.3/link3.3/ata_link ./pci0000:00/0000:00:1f.2/ata3.3/ata_port ./pci0000:00/0000:00:1f.2/ata3.3/ata_port/ata3.3 ./pci0000:00/0000:00:1f.2/ata4.4 ./pci0000:00/0000:00:1f.2/ata4.4/link4.4/dev4.4.0/ata_device ./pci0000:00/0000:00:1f.2/ata4.4/link4.4/ata_link ./pci0000:00/0000:00:1f.2/ata4.4/ata_port ./pci0000:00/0000:00:1f.2/ata4.4/ata_port/ata4.4 ./pci0000:00/0000:00:1f.2/ata5.5 ./pci0000:00/0000:00:1f.2/ata5.5/link5.5/dev5.5.0/ata_device ./pci0000:00/0000:00:1f.2/ata5.5/link5.5/ata_link ./pci0000:00/0000:00:1f.2/ata5.5/ata_port ./pci0000:00/0000:00:1f.2/ata5.5/ata_port/ata5.5 ./pci0000:00/0000:00:1f.2/ata6.6 ./pci0000:00/0000:00:1f.2/ata6.6/link6.6/dev6.6.0/ata_device ./pci0000:00/0000:00:1f.2/ata6.6/link6.6/ata_link ./pci0000:00/0000:00:1f.2/ata6.6/ata_port ./pci0000:00/0000:00:1f.2/ata6.6/ata_port/ata6.6 (2nd controller with port multiplier) ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1 ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.10/dev7.1.10.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.10/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.11/dev7.1.11.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.11/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.12/dev7.1.12.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.12/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.13/dev7.1.13.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.13/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.14/dev7.1.14.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.14/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1/dev7.1.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.0/dev7.1.0.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.0/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.1/dev7.1.1.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.1/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.2/dev7.1.2.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.2/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.3/dev7.1.3.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.3/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.4/dev7.1.4.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.4/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.5/dev7.1.5.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.5/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.6/dev7.1.6.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.6/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.7/dev7.1.7.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.7/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.8/dev7.1.8.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.8/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.9/dev7.1.9.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/link7.1.9/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/ata_port ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata7.1/ata_port/ata7.1 ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2 ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/link8.2/dev8.2.0/ata_device ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/link8.2/ata_link ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/ata_port ./pci0000:00/0000:00:1e.0/0000:05:01.0/ata8.2/ata_port/ata8.2 Signed-off-by: David Milburn <dmilburn@redhat.com> --- This could be modified to fit on top of "Insert ATA transport objects in SCSI sysfs topology". drivers/ata/libata-core.c | 6 ++++-- drivers/ata/libata-transport.c | 10 +++++----- include/linux/libata.h | 1 + 3 files changed, 10 insertions(+), 7 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html