| Message ID | 20240718071134.31155-4-lihuisong@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add some features and bugfix for kunpeng_hccs | expand |
在 2024/8/1 19:29, Wei Xu 写道: > Hi Huisong, > > On 2024/7/18 15:11, Huisong Li wrote: >> This patch add the sysfs to show all HCCS type used on platform. > As Krzysztof suggested, it is better to change the commit as follows: > Add the sysfs to show all HCCS types used on the platform. Ack > >> Signed-off-by: Huisong Li <lihuisong@huawei.com> >> --- >> drivers/soc/hisilicon/kunpeng_hccs.c | 106 ++++++++++++++++++++++++++- >> drivers/soc/hisilicon/kunpeng_hccs.h | 15 ++++ >> 2 files changed, 120 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c >> index 6e88f597f267..2d68ec49e1d6 100644 >> --- a/drivers/soc/hisilicon/kunpeng_hccs.c >> +++ b/drivers/soc/hisilicon/kunpeng_hccs.c >> @@ -21,11 +21,14 @@ >> * - if all enabled ports are in linked >> * - if all linked ports are in full lane >> * - CRC error count sum >> + * >> + * - Retrieve all used HCCS types on platform. > How about changed to the following? > Retrieve all HCCS types used on the platform. Ack > >> */ >> #include <linux/acpi.h> >> #include <linux/iopoll.h> >> #include <linux/platform_device.h> >> #include <linux/sysfs.h> >> +#include <linux/types.h> >> >> #include <acpi/pcc.h> >> >> @@ -53,6 +56,15 @@ static struct hccs_chip_info *kobj_to_chip_info(struct kobject *k) >> return container_of(k, struct hccs_chip_info, kobj); >> } >> >> +static struct hccs_dev *device_kobj_to_hccs_dev(struct kobject *k) >> +{ >> + struct device *dev = container_of(k, struct device, kobj); >> + struct platform_device *pdev = >> + container_of(dev, struct platform_device, dev); >> + >> + return platform_get_drvdata(pdev); >> +} >> + >> struct hccs_register_ctx { >> struct device *dev; >> u8 chan_id; >> @@ -664,6 +676,59 @@ static int hccs_get_hw_info(struct hccs_dev *hdev) >> return 0; >> } >> >> +static u16 hccs_calc_used_type_num(struct hccs_dev *hdev, >> + unsigned long *hccs_ver) >> +{ >> + struct hccs_chip_info *chip; >> + struct hccs_port_info *port; >> + struct hccs_die_info *die; >> + u16 used_type_num = 0; >> + u16 i, j, k; >> + >> + for (i = 0; i < hdev->chip_num; i++) { >> + chip = &hdev->chips[i]; >> + for (j = 0; j < chip->die_num; j++) { >> + die = &chip->dies[j]; >> + for (k = 0; k < die->port_num; k++) { >> + port = &die->ports[k]; >> + set_bit(port->port_type, hccs_ver); >> + } >> + } >> + } >> + >> + for (i = 0; i <= HCCS_IP_MAX; i++) { >> + if (test_bit(i, hccs_ver)) >> + used_type_num++; >> + } >> + >> + return used_type_num; >> +} >> + >> +static int hccs_init_type_name_maps(struct hccs_dev *hdev) >> +{ >> + DECLARE_BITMAP(hccs_ver, HCCS_IP_MAX + 1) = {}; >> + unsigned int i; >> + u32 map_size; >> + u16 idx = 0; >> + >> + hdev->used_type_num = hccs_calc_used_type_num(hdev, hccs_ver); >> + map_size = sizeof(struct hccs_type_name_map) * hdev->used_type_num; >> + hdev->type_name_maps = devm_kzalloc(hdev->dev, map_size, GFP_KERNEL); >> + if (!hdev->type_name_maps) >> + return -ENOMEM; >> + >> + for (i = 0; i <= HCCS_IP_MAX; i++) { >> + if (test_bit(i, hccs_ver)) { >> + hdev->type_name_maps[idx].type = i; >> + sprintf(hdev->type_name_maps[idx].name, >> + HCCS_IP_PREFIX "%u", i); > How about changed to the following? > sprintf(hdev->type_name_maps[idx].name, "%s %u", HCCS_IP_PREFIX, i); Ack > >> + idx++; >> + } >> + } >> + >> + return 0; >> +} >> + >> static int hccs_query_port_link_status(struct hccs_dev *hdev, >> const struct hccs_port_info *port, >> struct hccs_link_status *link_status) >> @@ -824,7 +889,7 @@ static ssize_t type_show(struct kobject *kobj, struct kobj_attribute *attr, >> { >> const struct hccs_port_info *port = kobj_to_port_info(kobj); >> >> - return sysfs_emit(buf, "HCCS-v%u\n", port->port_type); >> + return sysfs_emit(buf, HCCS_IP_PREFIX "%u\n", port->port_type); > ditto. Ack >> } >> static struct kobj_attribute hccs_type_attr = __ATTR_RO(type); >> >> @@ -1128,6 +1193,33 @@ static const struct kobj_type hccs_chip_type = { >> .default_groups = hccs_chip_default_groups, >> }; >> >> + >> +static ssize_t used_types_show(struct kobject *kobj, >> + struct kobj_attribute *attr, char *buf) >> +{ >> + struct hccs_dev *hdev = device_kobj_to_hccs_dev(kobj); >> + int len = 0; >> + u16 i; >> + >> + for (i = 0; i < hdev->used_type_num - 1; i++) >> + len += sysfs_emit(&buf[len], "%s ", hdev->type_name_maps[i].name); >> + len += sysfs_emit(&buf[len], "%s\n", hdev->type_name_maps[i].name); >> + >> + return len; >> +} >> +static struct kobj_attribute used_types_attr = >> + __ATTR(used_types, 0444, used_types_show, NULL); >> + >> +static void hccs_remove_misc_sysfs(struct hccs_dev *hdev) >> +{ >> + sysfs_remove_file(&hdev->dev->kobj, &used_types_attr.attr); >> +} >> + >> +static int hccs_add_misc_sysfs(struct hccs_dev *hdev) >> +{ >> + return sysfs_create_file(&hdev->dev->kobj, &used_types_attr.attr); >> +} >> + >> static void hccs_remove_die_dir(struct hccs_die_info *die) >> { >> struct hccs_port_info *port; >> @@ -1162,6 +1254,8 @@ static void hccs_remove_topo_dirs(struct hccs_dev *hdev) >> >> for (i = 0; i < hdev->chip_num; i++) >> hccs_remove_chip_dir(&hdev->chips[i]); >> + >> + hccs_remove_misc_sysfs(hdev); >> } >> >> static int hccs_create_hccs_dir(struct hccs_dev *hdev, >> @@ -1257,6 +1351,12 @@ static int hccs_create_topo_dirs(struct hccs_dev *hdev) >> } >> } >> >> + ret = hccs_add_misc_sysfs(hdev); >> + if (ret) { >> + dev_err(hdev->dev, "create global sysfs interface failed, ret = %d\n", ret); >> + goto err; >> + } >> + >> return 0; >> err: >> for (k = 0; k < id; k++) >> @@ -1307,6 +1407,10 @@ static int hccs_probe(struct platform_device *pdev) >> if (rc) >> goto unregister_pcc_chan; >> >> + rc = hccs_init_type_name_maps(hdev); >> + if (rc) >> + goto unregister_pcc_chan; >> + >> rc = hccs_create_topo_dirs(hdev); >> if (rc) >> goto unregister_pcc_chan; >> diff --git a/drivers/soc/hisilicon/kunpeng_hccs.h b/drivers/soc/hisilicon/kunpeng_hccs.h >> index c3adbc01b471..fe8b4089a9c7 100644 >> --- a/drivers/soc/hisilicon/kunpeng_hccs.h >> +++ b/drivers/soc/hisilicon/kunpeng_hccs.h >> @@ -10,6 +10,19 @@ >> * | P0 | P1 | P2 | P3 | P0 | P1 | P2 | P3 | P0 | P1 | P2 | P3 |P0 | P1 | P2 | P3 | >> */ >> >> +enum hccs_port_type { >> + HCCS_V1 = 1, >> + HCCS_V2, >> +}; >> + >> +#define HCCS_IP_PREFIX "HCCS-v" >> +#define HCCS_IP_MAX 255 >> +#define HCCS_NAME_MAX_LEN 9 >> +struct hccs_type_name_map { >> + u8 type; >> + char name[HCCS_NAME_MAX_LEN + 1]; >> +}; >> + >> /* >> * This value cannot be 255, otherwise the loop of the multi-BD communication >> * case cannot end. >> @@ -74,6 +87,8 @@ struct hccs_dev { >> u64 caps; >> u8 chip_num; >> struct hccs_chip_info *chips; >> + u16 used_type_num; >> + struct hccs_type_name_map *type_name_maps; >> u8 chan_id; >> struct mutex lock; >> struct hccs_mbox_client_info cl_info; >> > .
diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c index 6e88f597f267..2d68ec49e1d6 100644 --- a/drivers/soc/hisilicon/kunpeng_hccs.c +++ b/drivers/soc/hisilicon/kunpeng_hccs.c @@ -21,11 +21,14 @@ * - if all enabled ports are in linked * - if all linked ports are in full lane * - CRC error count sum + * + * - Retrieve all used HCCS types on platform. */ #include <linux/acpi.h> #include <linux/iopoll.h> #include <linux/platform_device.h> #include <linux/sysfs.h> +#include <linux/types.h> #include <acpi/pcc.h> @@ -53,6 +56,15 @@ static struct hccs_chip_info *kobj_to_chip_info(struct kobject *k) return container_of(k, struct hccs_chip_info, kobj); } +static struct hccs_dev *device_kobj_to_hccs_dev(struct kobject *k) +{ + struct device *dev = container_of(k, struct device, kobj); + struct platform_device *pdev = + container_of(dev, struct platform_device, dev); + + return platform_get_drvdata(pdev); +} + struct hccs_register_ctx { struct device *dev; u8 chan_id; @@ -664,6 +676,59 @@ static int hccs_get_hw_info(struct hccs_dev *hdev) return 0; } +static u16 hccs_calc_used_type_num(struct hccs_dev *hdev, + unsigned long *hccs_ver) +{ + struct hccs_chip_info *chip; + struct hccs_port_info *port; + struct hccs_die_info *die; + u16 used_type_num = 0; + u16 i, j, k; + + for (i = 0; i < hdev->chip_num; i++) { + chip = &hdev->chips[i]; + for (j = 0; j < chip->die_num; j++) { + die = &chip->dies[j]; + for (k = 0; k < die->port_num; k++) { + port = &die->ports[k]; + set_bit(port->port_type, hccs_ver); + } + } + } + + for (i = 0; i <= HCCS_IP_MAX; i++) { + if (test_bit(i, hccs_ver)) + used_type_num++; + } + + return used_type_num; +} + +static int hccs_init_type_name_maps(struct hccs_dev *hdev) +{ + DECLARE_BITMAP(hccs_ver, HCCS_IP_MAX + 1) = {}; + unsigned int i; + u32 map_size; + u16 idx = 0; + + hdev->used_type_num = hccs_calc_used_type_num(hdev, hccs_ver); + map_size = sizeof(struct hccs_type_name_map) * hdev->used_type_num; + hdev->type_name_maps = devm_kzalloc(hdev->dev, map_size, GFP_KERNEL); + if (!hdev->type_name_maps) + return -ENOMEM; + + for (i = 0; i <= HCCS_IP_MAX; i++) { + if (test_bit(i, hccs_ver)) { + hdev->type_name_maps[idx].type = i; + sprintf(hdev->type_name_maps[idx].name, + HCCS_IP_PREFIX "%u", i); + idx++; + } + } + + return 0; +} + static int hccs_query_port_link_status(struct hccs_dev *hdev, const struct hccs_port_info *port, struct hccs_link_status *link_status) @@ -824,7 +889,7 @@ static ssize_t type_show(struct kobject *kobj, struct kobj_attribute *attr, { const struct hccs_port_info *port = kobj_to_port_info(kobj); - return sysfs_emit(buf, "HCCS-v%u\n", port->port_type); + return sysfs_emit(buf, HCCS_IP_PREFIX "%u\n", port->port_type); } static struct kobj_attribute hccs_type_attr = __ATTR_RO(type); @@ -1128,6 +1193,33 @@ static const struct kobj_type hccs_chip_type = { .default_groups = hccs_chip_default_groups, }; + +static ssize_t used_types_show(struct kobject *kobj, + struct kobj_attribute *attr, char *buf) +{ + struct hccs_dev *hdev = device_kobj_to_hccs_dev(kobj); + int len = 0; + u16 i; + + for (i = 0; i < hdev->used_type_num - 1; i++) + len += sysfs_emit(&buf[len], "%s ", hdev->type_name_maps[i].name); + len += sysfs_emit(&buf[len], "%s\n", hdev->type_name_maps[i].name); + + return len; +} +static struct kobj_attribute used_types_attr = + __ATTR(used_types, 0444, used_types_show, NULL); + +static void hccs_remove_misc_sysfs(struct hccs_dev *hdev) +{ + sysfs_remove_file(&hdev->dev->kobj, &used_types_attr.attr); +} + +static int hccs_add_misc_sysfs(struct hccs_dev *hdev) +{ + return sysfs_create_file(&hdev->dev->kobj, &used_types_attr.attr); +} + static void hccs_remove_die_dir(struct hccs_die_info *die) { struct hccs_port_info *port; @@ -1162,6 +1254,8 @@ static void hccs_remove_topo_dirs(struct hccs_dev *hdev) for (i = 0; i < hdev->chip_num; i++) hccs_remove_chip_dir(&hdev->chips[i]); + + hccs_remove_misc_sysfs(hdev); } static int hccs_create_hccs_dir(struct hccs_dev *hdev, @@ -1257,6 +1351,12 @@ static int hccs_create_topo_dirs(struct hccs_dev *hdev) } } + ret = hccs_add_misc_sysfs(hdev); + if (ret) { + dev_err(hdev->dev, "create global sysfs interface failed, ret = %d\n", ret); + goto err; + } + return 0; err: for (k = 0; k < id; k++) @@ -1307,6 +1407,10 @@ static int hccs_probe(struct platform_device *pdev) if (rc) goto unregister_pcc_chan; + rc = hccs_init_type_name_maps(hdev); + if (rc) + goto unregister_pcc_chan; + rc = hccs_create_topo_dirs(hdev); if (rc) goto unregister_pcc_chan; diff --git a/drivers/soc/hisilicon/kunpeng_hccs.h b/drivers/soc/hisilicon/kunpeng_hccs.h index c3adbc01b471..fe8b4089a9c7 100644 --- a/drivers/soc/hisilicon/kunpeng_hccs.h +++ b/drivers/soc/hisilicon/kunpeng_hccs.h @@ -10,6 +10,19 @@ * | P0 | P1 | P2 | P3 | P0 | P1 | P2 | P3 | P0 | P1 | P2 | P3 |P0 | P1 | P2 | P3 | */ +enum hccs_port_type { + HCCS_V1 = 1, + HCCS_V2, +}; + +#define HCCS_IP_PREFIX "HCCS-v" +#define HCCS_IP_MAX 255 +#define HCCS_NAME_MAX_LEN 9 +struct hccs_type_name_map { + u8 type; + char name[HCCS_NAME_MAX_LEN + 1]; +}; + /* * This value cannot be 255, otherwise the loop of the multi-BD communication * case cannot end. @@ -74,6 +87,8 @@ struct hccs_dev { u64 caps; u8 chip_num; struct hccs_chip_info *chips; + u16 used_type_num; + struct hccs_type_name_map *type_name_maps; u8 chan_id; struct mutex lock; struct hccs_mbox_client_info cl_info;
This patch add the sysfs to show all HCCS type used on platform. Signed-off-by: Huisong Li <lihuisong@huawei.com> --- drivers/soc/hisilicon/kunpeng_hccs.c | 106 ++++++++++++++++++++++++++- drivers/soc/hisilicon/kunpeng_hccs.h | 15 ++++ 2 files changed, 120 insertions(+), 1 deletion(-)