@@ -15,6 +15,7 @@
#define FME_FEATURE_GLOBAL_IPERF "fme_iperf"
#define FME_FEATURE_GLOBAL_ERR "fme_error"
#define FME_FEATURE_PR_MGMT "fme_pr"
+#define FME_FEATURE_EMIF_MGMT "fme_emif"
#define FME_FEATURE_HSSI_ETH "fme_hssi"
#define FME_FEATURE_GLOBAL_DPERF "fme_dperf"
#define FME_FEATURE_QSPI_FLASH "fme_qspi_flash"
@@ -59,7 +60,8 @@
#define FEATURE_FIU_ID_FME 0x0
#define FEATURE_FIU_ID_PORT 0x1
-#define FEATURE_ID_HEADER 0x0
+/* Reserved 0xfe for Header, 0xff for AFU*/
+#define FEATURE_ID_FIU_HEADER 0xfe
#define FEATURE_ID_AFU 0xff
enum fpga_id_type {
@@ -68,31 +70,23 @@ enum fpga_id_type {
FPGA_ID_MAX,
};
-enum fme_feature_id {
- FME_FEATURE_ID_HEADER = 0x0,
-
- FME_FEATURE_ID_THERMAL_MGMT = 0x1,
- FME_FEATURE_ID_POWER_MGMT = 0x2,
- FME_FEATURE_ID_GLOBAL_IPERF = 0x3,
- FME_FEATURE_ID_GLOBAL_ERR = 0x4,
- FME_FEATURE_ID_PR_MGMT = 0x5,
- FME_FEATURE_ID_HSSI_ETH = 0x6,
- FME_FEATURE_ID_GLOBAL_DPERF = 0x7,
- FME_FEATURE_ID_QSPI_FLASH = 0x8,
-
- /* one for fme header. */
- FME_FEATURE_ID_MAX = 0x9,
-};
-
-enum port_feature_id {
- PORT_FEATURE_ID_HEADER = 0x0,
- PORT_FEATURE_ID_ERROR = 0x1,
- PORT_FEATURE_ID_UMSG = 0x2,
- PORT_FEATURE_ID_UINT = 0x3,
- PORT_FEATURE_ID_STP = 0x4,
- PORT_FEATURE_ID_UAFU = 0x5,
- PORT_FEATURE_ID_MAX = 0x6,
-};
+#define FME_FEATURE_ID_HEADER FEATURE_ID_FIU_HEADER
+#define FME_FEATURE_ID_THERMAL_MGMT 0x1
+#define FME_FEATURE_ID_POWER_MGMT 0x2
+#define FME_FEATURE_ID_GLOBAL_IPERF 0x3
+#define FME_FEATURE_ID_GLOBAL_ERR 0x4
+#define FME_FEATURE_ID_PR_MGMT 0x5
+#define FME_FEATURE_ID_HSSI_ETH 0x6
+#define FME_FEATURE_ID_GLOBAL_DPERF 0x7
+#define FME_FEATURE_ID_QSPI_FLASH 0x8
+#define FME_FEATURE_ID_EMIF_MGMT 0x9
+
+#define PORT_FEATURE_ID_HEADER FEATURE_ID_FIU_HEADER
+#define PORT_FEATURE_ID_ERROR 0x10
+#define PORT_FEATURE_ID_UMSG 0x12
+#define PORT_FEATURE_ID_UINT 0x13
+#define PORT_FEATURE_ID_STP 0x14
+#define PORT_FEATURE_ID_UAFU FEATURE_ID_AFU
/*
* All headers and structures must be byte-packed to match the spec.
@@ -28,121 +28,24 @@ struct build_feature_devs_info {
struct ifpga_hw *hw;
};
-struct feature_info {
- const char *name;
- u32 resource_size;
- int feature_index;
- int revision_id;
- unsigned int vec_start;
- unsigned int vec_cnt;
-
- struct feature_ops *ops;
-};
+static int feature_revision(void __iomem *start)
+{
+ struct feature_header header;
-/* indexed by fme feature IDs which are defined in 'enum fme_feature_id'. */
-static struct feature_info fme_features[] = {
- {
- .name = FME_FEATURE_HEADER,
- .resource_size = sizeof(struct feature_fme_header),
- .feature_index = FME_FEATURE_ID_HEADER,
- .revision_id = FME_HEADER_REVISION,
- .ops = &fme_hdr_ops,
- },
- {
- .name = FME_FEATURE_THERMAL_MGMT,
- .resource_size = sizeof(struct feature_fme_thermal),
- .feature_index = FME_FEATURE_ID_THERMAL_MGMT,
- .revision_id = FME_THERMAL_MGMT_REVISION,
- .ops = &fme_thermal_mgmt_ops,
- },
- {
- .name = FME_FEATURE_POWER_MGMT,
- .resource_size = sizeof(struct feature_fme_power),
- .feature_index = FME_FEATURE_ID_POWER_MGMT,
- .revision_id = FME_POWER_MGMT_REVISION,
- .ops = &fme_power_mgmt_ops,
- },
- {
- .name = FME_FEATURE_GLOBAL_IPERF,
- .resource_size = sizeof(struct feature_fme_iperf),
- .feature_index = FME_FEATURE_ID_GLOBAL_IPERF,
- .revision_id = FME_GLOBAL_IPERF_REVISION,
- .ops = &fme_global_iperf_ops,
- },
- {
- .name = FME_FEATURE_GLOBAL_ERR,
- .resource_size = sizeof(struct feature_fme_err),
- .feature_index = FME_FEATURE_ID_GLOBAL_ERR,
- .revision_id = FME_GLOBAL_ERR_REVISION,
- .ops = &fme_global_err_ops,
- },
- {
- .name = FME_FEATURE_PR_MGMT,
- .resource_size = sizeof(struct feature_fme_pr),
- .feature_index = FME_FEATURE_ID_PR_MGMT,
- .revision_id = FME_PR_MGMT_REVISION,
- .ops = &fme_pr_mgmt_ops,
- },
- {
- .name = FME_FEATURE_HSSI_ETH,
- .resource_size = sizeof(struct feature_fme_hssi),
- .feature_index = FME_FEATURE_ID_HSSI_ETH,
- .revision_id = FME_HSSI_ETH_REVISION
- },
- {
- .name = FME_FEATURE_GLOBAL_DPERF,
- .resource_size = sizeof(struct feature_fme_dperf),
- .feature_index = FME_FEATURE_ID_GLOBAL_DPERF,
- .revision_id = FME_GLOBAL_DPERF_REVISION,
- .ops = &fme_global_dperf_ops,
- }
-};
+ header.csr = readq(start);
-static struct feature_info port_features[] = {
- {
- .name = PORT_FEATURE_HEADER,
- .resource_size = sizeof(struct feature_port_header),
- .feature_index = PORT_FEATURE_ID_HEADER,
- .revision_id = PORT_HEADER_REVISION,
- .ops = &ifpga_rawdev_port_hdr_ops,
- },
- {
- .name = PORT_FEATURE_ERR,
- .resource_size = sizeof(struct feature_port_error),
- .feature_index = PORT_FEATURE_ID_ERROR,
- .revision_id = PORT_ERR_REVISION,
- .ops = &ifpga_rawdev_port_error_ops,
- },
- {
- .name = PORT_FEATURE_UMSG,
- .resource_size = sizeof(struct feature_port_umsg),
- .feature_index = PORT_FEATURE_ID_UMSG,
- .revision_id = PORT_UMSG_REVISION,
- },
- {
- .name = PORT_FEATURE_UINT,
- .resource_size = sizeof(struct feature_port_uint),
- .feature_index = PORT_FEATURE_ID_UINT,
- .revision_id = PORT_UINT_REVISION,
- .ops = &ifpga_rawdev_port_uint_ops,
- },
- {
- .name = PORT_FEATURE_STP,
- .resource_size = PORT_FEATURE_STP_REGION_SIZE,
- .feature_index = PORT_FEATURE_ID_STP,
- .revision_id = PORT_STP_REVISION,
- .ops = &ifpga_rawdev_port_stp_ops,
- },
- {
- .name = PORT_FEATURE_UAFU,
- /* UAFU feature size should be read from PORT_CAP.MMIOSIZE.
- * Will set uafu feature size while parse port device.
- */
- .resource_size = 0,
- .feature_index = PORT_FEATURE_ID_UAFU,
- .revision_id = PORT_UAFU_REVISION
- },
-};
+ return header.revision;
+}
+
+static u32 feature_size(void __iomem *start)
+{
+ struct feature_header header;
+
+ header.csr = readq(start);
+
+ /*the size of private feature is 4KB aligned*/
+ return header.next_header_offset ? header.next_header_offset:4096;
+}
static u64 feature_id(void __iomem *start)
{
@@ -152,7 +55,7 @@ static u64 feature_id(void __iomem *start)
switch (header.type) {
case FEATURE_TYPE_FIU:
- return FEATURE_ID_HEADER;
+ return FEATURE_ID_FIU_HEADER;
case FEATURE_TYPE_PRIVATE:
return header.id;
case FEATURE_TYPE_AFU:
@@ -165,37 +68,36 @@ static u64 feature_id(void __iomem *start)
static int
build_info_add_sub_feature(struct build_feature_devs_info *binfo,
- struct feature_info *finfo, void __iomem *start)
+ void __iomem *start, u64 fid, unsigned int size,
+ unsigned int vec_start,
+ unsigned int vec_cnt)
{
struct ifpga_hw *hw = binfo->hw;
struct feature *feature = NULL;
- int feature_idx = finfo->feature_index;
- unsigned int vec_start = finfo->vec_start;
- unsigned int vec_cnt = finfo->vec_cnt;
struct feature_irq_ctx *ctx = NULL;
int port_id, ret = 0;
unsigned int i;
- if (binfo->current_type == FME_ID) {
- feature = &hw->fme.sub_feature[feature_idx];
- feature->parent = &hw->fme;
- } else if (binfo->current_type == PORT_ID) {
- port_id = binfo->current_port_id;
- feature = &hw->port[port_id].sub_feature[feature_idx];
- feature->parent = &hw->port[port_id];
- } else {
- return -EFAULT;
- }
+ fid = fid?fid:feature_id(start);
+ size = size?size:feature_size(start);
+
+ feature = opae_malloc(sizeof(struct feature));
+ if (!feature)
+ return -ENOMEM;
feature->state = IFPGA_FEATURE_ATTACHED;
feature->addr = start;
- feature->id = feature_id(start);
- feature->size = finfo->resource_size;
- feature->name = finfo->name;
- feature->revision = finfo->revision_id;
- feature->ops = finfo->ops;
+ feature->id = fid;
+ feature->size = size;
+ feature->revision = feature_revision(start);
feature->phys_addr = binfo->phys_addr +
((u8 *)start - (u8 *)binfo->ioaddr);
+ feature->vec_start = vec_start;
+ feature->vec_cnt = vec_cnt;
+
+ dev_debug(binfo, "%s: id=0x%llx, phys_addr=0x%llx, size=%u\n",
+ __func__, (unsigned long long)feature->id,
+ (unsigned long long)feature->phys_addr, size);
if (vec_cnt) {
if (vec_start + vec_cnt <= vec_start)
@@ -215,22 +117,32 @@ static u64 feature_id(void __iomem *start)
feature->ctx_num = vec_cnt;
feature->vfio_dev_fd = binfo->pci_data->vfio_dev_fd;
+ if (binfo->current_type == FME_ID) {
+ feature->parent = &hw->fme;
+ feature->type = FEATURE_FME_TYPE;
+ feature->name = get_fme_feature_name(fid);
+ TAILQ_INSERT_TAIL(&hw->fme.feature_list, feature, next);
+ } else if (binfo->current_type == PORT_ID) {
+ port_id = binfo->current_port_id;
+ feature->parent = &hw->port[port_id];
+ feature->type = FEATURE_PORT_TYPE;
+ feature->name = get_port_feature_name(fid);
+ TAILQ_INSERT_TAIL(&hw->port[port_id].feature_list,
+ feature, next);
+ } else {
+ return -EFAULT;
+ }
return ret;
}
static int
create_feature_instance(struct build_feature_devs_info *binfo,
- void __iomem *start, struct feature_info *finfo)
+ void __iomem *start, u64 fid,
+ unsigned int size, unsigned int vec_start,
+ unsigned int vec_cnt)
{
- struct feature_header *hdr = start;
-
- if (finfo->revision_id != SKIP_REVISION_CHECK &&
- hdr->revision > finfo->revision_id) {
- dev_err(binfo, "feature %s revision :default:%x, now at:%x, mis-match.\n",
- finfo->name, finfo->revision_id, hdr->revision);
- }
-
- return build_info_add_sub_feature(binfo, finfo, start);
+ return build_info_add_sub_feature(binfo, start, fid, size, vec_start,
+ vec_cnt);
}
/*
@@ -249,31 +161,30 @@ static bool feature_is_UAFU(struct build_feature_devs_info *binfo)
static int parse_feature_port_uafu(struct build_feature_devs_info *binfo,
struct feature_header *hdr)
{
- enum port_feature_id id = PORT_FEATURE_ID_UAFU;
+ u64 id = PORT_FEATURE_ID_UAFU;
struct ifpga_afu_info *info;
void *start = (void *)hdr;
+ struct feature_port_header *port_hdr = binfo->ioaddr;
+ struct feature_port_capability capability;
int ret;
+ int size;
- if (port_features[id].resource_size) {
- ret = create_feature_instance(binfo, hdr, &port_features[id]);
- } else {
- dev_err(binfo, "the uafu feature header is mis-configured.\n");
- ret = -EINVAL;
- }
+ capability.csr = readq(&port_hdr->capability);
+
+ size = capability.mmio_size << 10;
+ ret = create_feature_instance(binfo, hdr, id, size, 0, 0);
if (ret)
return ret;
- /* FIXME: need to figure out a better name */
- info = malloc(sizeof(*info));
+ info = opae_malloc(sizeof(*info));
if (!info)
return -ENOMEM;
info->region[0].addr = start;
info->region[0].phys_addr = binfo->phys_addr +
(uint8_t *)start - (uint8_t *)binfo->ioaddr;
- info->region[0].len = port_features[id].resource_size;
- port_features[id].resource_size = 0;
+ info->region[0].len = size;
info->num_regions = 1;
binfo->acc_info = info;
@@ -320,6 +231,8 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
struct opae_manager *mgr;
struct opae_bridge *br;
struct opae_accelerator *acc;
+ struct ifpga_port_hw *port;
+ struct feature *feature;
if (!binfo->fiu)
return 0;
@@ -337,7 +250,11 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
br->id = binfo->current_port_id;
/* update irq info */
- info->num_irqs = port_features[PORT_FEATURE_ID_UINT].vec_cnt;
+ port = &hw->port[binfo->current_port_id];
+ feature = get_feature_by_id(&port->feature_list,
+ PORT_FEATURE_ID_UINT);
+ if (feature)
+ info->num_irqs = feature->vec_cnt;
acc = opae_accelerator_alloc(hw->adapter->name,
&ifpga_acc_ops, info);
@@ -353,7 +270,7 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
} else if (binfo->current_type == FME_ID) {
mgr = opae_manager_alloc(hw->adapter->name, &ifpga_mgr_ops,
- binfo->fiu);
+ binfo->fiu);
if (!mgr)
return -ENOMEM;
@@ -402,10 +319,10 @@ static int parse_feature_fme(struct build_feature_devs_info *binfo,
/* Update FME states */
fme->state = IFPGA_FME_IMPLEMENTED;
fme->parent = hw;
+ TAILQ_INIT(&fme->feature_list);
spinlock_init(&fme->lock);
- return create_feature_instance(binfo, start,
- &fme_features[FME_FEATURE_ID_HEADER]);
+ return create_feature_instance(binfo, start, 0, 0, 0, 0);
}
static int parse_feature_port(struct build_feature_devs_info *binfo,
@@ -433,29 +350,19 @@ static int parse_feature_port(struct build_feature_devs_info *binfo,
port->parent = hw;
port->state = IFPGA_PORT_ATTACHED;
spinlock_init(&port->lock);
+ TAILQ_INIT(&port->feature_list);
- return create_feature_instance(binfo, start,
- &port_features[PORT_FEATURE_ID_HEADER]);
+ return create_feature_instance(binfo, start, 0, 0, 0, 0);
}
static void enable_port_uafu(struct build_feature_devs_info *binfo,
void __iomem *start)
{
- enum port_feature_id id = PORT_FEATURE_ID_UAFU;
- struct feature_port_header *port_hdr;
- struct feature_port_capability capability;
struct ifpga_port_hw *port = &binfo->hw->port[binfo->current_port_id];
- port_hdr = (struct feature_port_header *)start;
- capability.csr = readq(&port_hdr->capability);
- port_features[id].resource_size = (capability.mmio_size << 10);
-
- /*
- * From spec, to Enable UAFU, we should reset related port,
- * or the whole mmio space in this UAFU will be invalid
- */
- if (port_features[id].resource_size)
- fpga_port_reset(port);
+ UNUSED(start);
+
+ fpga_port_reset(port);
}
static int parse_feature_fiu(struct build_feature_devs_info *binfo,
@@ -505,44 +412,45 @@ static int parse_feature_fiu(struct build_feature_devs_info *binfo,
}
static void parse_feature_irqs(struct build_feature_devs_info *binfo,
- void __iomem *start, struct feature_info *finfo)
+ void __iomem *start, unsigned int *vec_start,
+ unsigned int *vec_cnt)
{
- finfo->vec_start = 0;
- finfo->vec_cnt = 0;
-
UNUSED(binfo);
+ u64 id;
+
+ id = feature_id(start);
- if (!strcmp(finfo->name, PORT_FEATURE_UINT)) {
+ if (id == PORT_FEATURE_ID_UINT) {
struct feature_port_uint *port_uint = start;
struct feature_port_uint_cap uint_cap;
uint_cap.csr = readq(&port_uint->capability);
if (uint_cap.intr_num) {
- finfo->vec_start = uint_cap.first_vec_num;
- finfo->vec_cnt = uint_cap.intr_num;
+ *vec_start = uint_cap.first_vec_num;
+ *vec_cnt = uint_cap.intr_num;
} else {
dev_debug(binfo, "UAFU doesn't support interrupt\n");
}
- } else if (!strcmp(finfo->name, PORT_FEATURE_ERR)) {
+ } else if (id == PORT_FEATURE_ID_ERROR) {
struct feature_port_error *port_err = start;
struct feature_port_err_capability port_err_cap;
port_err_cap.csr = readq(&port_err->error_capability);
if (port_err_cap.support_intr) {
- finfo->vec_start = port_err_cap.intr_vector_num;
- finfo->vec_cnt = 1;
+ *vec_start = port_err_cap.intr_vector_num;
+ *vec_cnt = 1;
} else {
dev_debug(&binfo, "Port error doesn't support interrupt\n");
}
- } else if (!strcmp(finfo->name, FME_FEATURE_GLOBAL_ERR)) {
+ } else if (id == FME_FEATURE_ID_GLOBAL_ERR) {
struct feature_fme_err *fme_err = start;
struct feature_fme_error_capability fme_err_cap;
fme_err_cap.csr = readq(&fme_err->fme_err_capability);
if (fme_err_cap.support_intr) {
- finfo->vec_start = fme_err_cap.intr_vector_num;
- finfo->vec_cnt = 1;
+ *vec_start = fme_err_cap.intr_vector_num;
+ *vec_cnt = 1;
} else {
dev_debug(&binfo, "FME error doesn't support interrupt\n");
}
@@ -552,43 +460,23 @@ static void parse_feature_irqs(struct build_feature_devs_info *binfo,
static int parse_feature_fme_private(struct build_feature_devs_info *binfo,
struct feature_header *hdr)
{
- struct feature_header header;
-
- header.csr = readq(hdr);
-
- if (header.id >= ARRAY_SIZE(fme_features)) {
- dev_err(binfo, "FME feature id %x is not supported yet.\n",
- header.id);
- return 0;
- }
+ unsigned int vec_start = 0;
+ unsigned int vec_cnt = 0;
- parse_feature_irqs(binfo, hdr, &fme_features[header.id]);
+ parse_feature_irqs(binfo, hdr, &vec_start, &vec_cnt);
- return create_feature_instance(binfo, hdr, &fme_features[header.id]);
+ return create_feature_instance(binfo, hdr, 0, 0, vec_start, vec_cnt);
}
static int parse_feature_port_private(struct build_feature_devs_info *binfo,
struct feature_header *hdr)
{
- struct feature_header header;
- enum port_feature_id id;
+ unsigned int vec_start = 0;
+ unsigned int vec_cnt = 0;
- header.csr = readq(hdr);
- /*
- * the region of port feature id is [0x10, 0x13], + 1 to reserve 0
- * which is dedicated for port-hdr.
- */
- id = (header.id & 0x000f) + 1;
-
- if (id >= ARRAY_SIZE(port_features)) {
- dev_err(binfo, "Port feature id %x is not supported yet.\n",
- header.id);
- return 0;
- }
-
- parse_feature_irqs(binfo, hdr, &port_features[id]);
+ parse_feature_irqs(binfo, hdr, &vec_start, &vec_cnt);
- return create_feature_instance(binfo, hdr, &port_features[id]);
+ return create_feature_instance(binfo, hdr, 0, 0, vec_start, vec_cnt);
}
static int parse_feature_private(struct build_feature_devs_info *binfo,
@@ -651,12 +539,18 @@ static int parse_feature(struct build_feature_devs_info *binfo,
}
hdr = (struct feature_header *)start;
+ header.csr = readq(hdr);
+
+ dev_debug(binfo, "%s: address=0x%p, val=0x%llx, header.id=0x%x, header.next_offset=0x%x, header.eol=0x%x, header.type=0x%x\n",
+ __func__, hdr, (unsigned long long)header.csr,
+ header.id, header.next_header_offset,
+ header.end_of_list, header.type);
+
ret = parse_feature(binfo, hdr);
if (ret)
return ret;
- header.csr = readq(hdr);
- if (!header.next_header_offset)
+ if (header.end_of_list || !header.next_header_offset)
break;
}
@@ -746,20 +640,20 @@ static void ifpga_print_device_feature_list(struct ifpga_hw *hw)
struct ifpga_fme_hw *fme = &hw->fme;
struct ifpga_port_hw *port;
struct feature *feature;
- int i, j;
+ int i;
dev_info(hw, "found fme_device, is in PF: %s\n",
is_ifpga_hw_pf(hw) ? "yes" : "no");
- for (i = 0; i < FME_FEATURE_ID_MAX; i++) {
- feature = &fme->sub_feature[i];
+ ifpga_for_each_fme_feature(fme, feature) {
if (feature->state != IFPGA_FEATURE_ATTACHED)
continue;
- dev_info(hw, "%12s: 0x%p - 0x%p - paddr: 0x%lx\n",
+ dev_info(hw, "%12s: %p - %p - paddr: 0x%lx\n",
feature->name, feature->addr,
feature->addr + feature->size - 1,
(unsigned long)feature->phys_addr);
+
}
for (i = 0; i < MAX_FPGA_PORT_NUM; i++) {
@@ -770,18 +664,18 @@ static void ifpga_print_device_feature_list(struct ifpga_hw *hw)
dev_info(hw, "port device: %d\n", port->port_id);
- for (j = 0; j < PORT_FEATURE_ID_MAX; j++) {
- feature = &port->sub_feature[j];
+ ifpga_for_each_port_feature(port, feature) {
if (feature->state != IFPGA_FEATURE_ATTACHED)
continue;
- dev_info(hw, "%12s: 0x%p - 0x%p - paddr:0x%lx\n",
+ dev_info(hw, "%12s: %p - %p - paddr:0x%lx\n",
feature->name,
feature->addr,
feature->addr +
feature->size - 1,
(unsigned long)feature->phys_addr);
}
+
}
}
@@ -812,10 +706,13 @@ int ifpga_bus_enumerate(struct ifpga_hw *hw)
int ifpga_bus_init(struct ifpga_hw *hw)
{
int i;
+ struct ifpga_port_hw *port;
fme_hw_init(&hw->fme);
- for (i = 0; i < MAX_FPGA_PORT_NUM; i++)
- port_hw_init(&hw->port[i]);
+ for (i = 0; i < MAX_FPGA_PORT_NUM; i++) {
+ port = &hw->port[i];
+ port_hw_init(port);
+ }
return 0;
}
@@ -70,6 +70,9 @@ int fpga_get_afu_uuid(struct ifpga_port_hw *port, struct uuid *uuid)
struct feature_port_header *port_hdr;
u64 guidl, guidh;
+ if (!uuid)
+ return -EINVAL;
+
port_hdr = get_port_feature_ioaddr_by_index(port, PORT_FEATURE_ID_UAFU);
spinlock_lock(&port->lock);
@@ -177,77 +180,146 @@ int port_clear_error(struct ifpga_port_hw *port)
return port_err_clear(port, error.csr);
}
-void fme_hw_uinit(struct ifpga_fme_hw *fme)
+static struct feature_driver fme_feature_drvs[] = {
+ {FEATURE_DRV(FME_FEATURE_ID_HEADER, FME_FEATURE_HEADER,
+ &fme_hdr_ops),},
+ {FEATURE_DRV(FME_FEATURE_ID_THERMAL_MGMT, FME_FEATURE_THERMAL_MGMT,
+ &fme_thermal_mgmt_ops),},
+ {FEATURE_DRV(FME_FEATURE_ID_POWER_MGMT, FME_FEATURE_POWER_MGMT,
+ &fme_power_mgmt_ops),},
+ {FEATURE_DRV(FME_FEATURE_ID_GLOBAL_ERR, FME_FEATURE_GLOBAL_ERR,
+ &fme_global_err_ops),},
+ {FEATURE_DRV(FME_FEATURE_ID_PR_MGMT, FME_FEATURE_PR_MGMT,
+ &fme_pr_mgmt_ops),},
+ {FEATURE_DRV(FME_FEATURE_ID_GLOBAL_DPERF, FME_FEATURE_GLOBAL_DPERF,
+ &fme_global_dperf_ops),},
+ {FEATURE_DRV(FME_FEATURE_ID_HSSI_ETH, FME_FEATURE_HSSI_ETH,
+ &fme_hssi_eth_ops),},
+ {FEATURE_DRV(FME_FEATURE_ID_EMIF_MGMT, FME_FEATURE_EMIF_MGMT,
+ &fme_emif_ops),},
+ {0, NULL, NULL}, /* end of arrary */
+};
+
+static struct feature_driver port_feature_drvs[] = {
+ {FEATURE_DRV(PORT_FEATURE_ID_HEADER, PORT_FEATURE_HEADER,
+ &ifpga_rawdev_port_hdr_ops)},
+ {FEATURE_DRV(PORT_FEATURE_ID_ERROR, PORT_FEATURE_ERR,
+ &ifpga_rawdev_port_error_ops)},
+ {FEATURE_DRV(PORT_FEATURE_ID_UINT, PORT_FEATURE_UINT,
+ &ifpga_rawdev_port_uint_ops)},
+ {FEATURE_DRV(PORT_FEATURE_ID_STP, PORT_FEATURE_STP,
+ &ifpga_rawdev_port_stp_ops)},
+ {FEATURE_DRV(PORT_FEATURE_ID_UAFU, PORT_FEATURE_UAFU,
+ &ifpga_rawdev_port_afu_ops)},
+ {0, NULL, NULL}, /* end of array */
+};
+
+const char *get_fme_feature_name(unsigned int id)
{
- struct feature *feature;
- int i;
+ struct feature_driver *drv = fme_feature_drvs;
- if (fme->state != IFPGA_FME_IMPLEMENTED)
- return;
+ while (drv->name) {
+ if (drv->id == id)
+ return drv->name;
- for (i = 0; i < FME_FEATURE_ID_MAX; i++) {
- feature = &fme->sub_feature[i];
- if (feature->state == IFPGA_FEATURE_ATTACHED &&
- feature->ops && feature->ops->uinit)
- feature->ops->uinit(feature);
+ drv++;
}
+
+ return NULL;
}
-int fme_hw_init(struct ifpga_fme_hw *fme)
+const char *get_port_feature_name(unsigned int id)
+{
+ struct feature_driver *drv = port_feature_drvs;
+
+ while (drv->name) {
+ if (drv->id == id)
+ return drv->name;
+
+ drv++;
+ }
+
+ return NULL;
+}
+
+static void feature_uinit(struct ifpga_feature_list *list)
{
struct feature *feature;
- int i, ret;
- if (fme->state != IFPGA_FME_IMPLEMENTED)
- return -EINVAL;
+ TAILQ_FOREACH(feature, list, next) {
+ if (feature->state != IFPGA_FEATURE_ATTACHED)
+ continue;
+ if (feature->ops && feature->ops->uinit)
+ feature->ops->uinit(feature);
+ }
+}
- for (i = 0; i < FME_FEATURE_ID_MAX; i++) {
- feature = &fme->sub_feature[i];
- if (feature->state == IFPGA_FEATURE_ATTACHED &&
- feature->ops && feature->ops->init) {
- ret = feature->ops->init(feature);
- if (ret) {
- fme_hw_uinit(fme);
- return ret;
+static int feature_init(struct feature_driver *drv,
+ struct ifpga_feature_list *list)
+{
+ struct feature *feature;
+ int ret;
+
+ while (drv->ops) {
+ TAILQ_FOREACH(feature, list, next) {
+ if (feature->state != IFPGA_FEATURE_ATTACHED)
+ continue;
+ if (feature->id == drv->id) {
+ feature->ops = drv->ops;
+ feature->name = drv->name;
+ if (feature->ops->init) {
+ ret = feature->ops->init(feature);
+ if (ret)
+ goto error;
+ }
}
}
+ drv++;
}
return 0;
+error:
+ feature_uinit(list);
+ return ret;
}
-void port_hw_uinit(struct ifpga_port_hw *port)
+int fme_hw_init(struct ifpga_fme_hw *fme)
{
- struct feature *feature;
- int i;
+ int ret;
- for (i = 0; i < PORT_FEATURE_ID_MAX; i++) {
- feature = &port->sub_feature[i];
- if (feature->state == IFPGA_FEATURE_ATTACHED &&
- feature->ops && feature->ops->uinit)
- feature->ops->uinit(feature);
- }
+ if (fme->state != IFPGA_FME_IMPLEMENTED)
+ return -ENODEV;
+
+ ret = feature_init(fme_feature_drvs, &fme->feature_list);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+void fme_hw_uinit(struct ifpga_fme_hw *fme)
+{
+ feature_uinit(&fme->feature_list);
+}
+
+void port_hw_uinit(struct ifpga_port_hw *port)
+{
+ feature_uinit(&port->feature_list);
}
int port_hw_init(struct ifpga_port_hw *port)
{
- struct feature *feature;
- int i, ret;
+ int ret;
if (port->state == IFPGA_PORT_UNUSED)
return 0;
- for (i = 0; i < PORT_FEATURE_ID_MAX; i++) {
- feature = &port->sub_feature[i];
- if (feature->ops && feature->ops->init) {
- ret = feature->ops->init(feature);
- if (ret) {
- port_hw_uinit(port);
- return ret;
- }
- }
- }
+ ret = feature_init(port_feature_drvs, &port->feature_list);
+ if (ret)
+ goto error;
return 0;
+error:
+ port_hw_uinit(port);
+ return ret;
}
-
@@ -7,6 +7,18 @@
#include "ifpga_hw.h"
+struct feature_driver {
+ u64 id;
+ const char *name;
+ struct feature_ops *ops;
+};
+
+/**
+ * FEATURE_DRV - macro used to describe a specific feature driver
+ */
+#define FEATURE_DRV(n, s, p) \
+ .id = (n), .name = (s), .ops = (p)
+
static inline struct ifpga_port_hw *
get_port(struct ifpga_hw *hw, u32 port_id)
{
@@ -17,12 +29,10 @@
}
#define ifpga_for_each_fme_feature(hw, feature) \
- for ((feature) = (hw)->sub_feature; \
- (feature) < (hw)->sub_feature + (FME_FEATURE_ID_MAX); (feature)++)
+ TAILQ_FOREACH(feature, &hw->feature_list, next)
-#define ifpga_for_each_port_feature(hw, feature) \
- for ((feature) = (hw)->sub_feature; \
- (feature) < (hw)->sub_feature + (PORT_FEATURE_ID_MAX); (feature)++)
+#define ifpga_for_each_port_feature(port, feature) \
+ TAILQ_FOREACH(feature, &port->feature_list, next)
static inline struct feature *
get_fme_feature_by_id(struct ifpga_fme_hw *fme, u64 id)
@@ -50,16 +60,32 @@
return NULL;
}
+static inline struct feature *
+get_feature_by_id(struct ifpga_feature_list *list, u64 id)
+{
+ struct feature *feature;
+
+ TAILQ_FOREACH(feature, list, next)
+ if (feature->id == id)
+ return feature;
+
+ return NULL;
+}
+
static inline void *
get_fme_feature_ioaddr_by_index(struct ifpga_fme_hw *fme, int index)
{
- return fme->sub_feature[index].addr;
+ struct feature *feature = get_feature_by_id(&fme->feature_list, index);
+
+ return feature ? feature->addr : NULL;
}
static inline void *
get_port_feature_ioaddr_by_index(struct ifpga_port_hw *port, int index)
{
- return port->sub_feature[index].addr;
+ struct feature *feature = get_feature_by_id(&port->feature_list, index);
+
+ return feature ? feature->addr : NULL;
}
static inline bool
@@ -143,6 +169,8 @@ int do_pr(struct ifpga_hw *hw, u32 port_id, void *buffer, u32 size,
extern struct feature_ops fme_pr_mgmt_ops;
extern struct feature_ops fme_global_iperf_ops;
extern struct feature_ops fme_global_dperf_ops;
+extern struct feature_ops fme_hssi_eth_ops;
+extern struct feature_ops fme_emif_ops;
int port_get_prop(struct ifpga_port_hw *port, struct feature_prop *prop);
int port_set_prop(struct ifpga_port_hw *port, struct feature_prop *prop);
@@ -155,14 +183,16 @@ struct fpga_uafu_irq_set {
};
int port_set_irq(struct ifpga_port_hw *port, u32 feature_id, void *irq_set);
+const char *get_fme_feature_name(unsigned int id);
+const char *get_port_feature_name(unsigned int id);
extern struct feature_ops ifpga_rawdev_port_hdr_ops;
extern struct feature_ops ifpga_rawdev_port_error_ops;
extern struct feature_ops ifpga_rawdev_port_stp_ops;
extern struct feature_ops ifpga_rawdev_port_uint_ops;
+extern struct feature_ops ifpga_rawdev_port_afu_ops;
/* help functions for feature ops */
int fpga_msix_set_block(struct feature *feature, unsigned int start,
unsigned int count, s32 *fds);
-
#endif /* _IFPGA_FEATURE_DEV_H_ */
@@ -732,3 +732,35 @@ struct feature_ops fme_power_mgmt_ops = {
.get_prop = fme_power_mgmt_get_prop,
.set_prop = fme_power_mgmt_set_prop,
};
+
+static int fme_hssi_eth_init(struct feature *feature)
+{
+ UNUSED(feature);
+ return 0;
+}
+
+static void fme_hssi_eth_uinit(struct feature *feature)
+{
+ UNUSED(feature);
+}
+
+struct feature_ops fme_hssi_eth_ops = {
+ .init = fme_hssi_eth_init,
+ .uinit = fme_hssi_eth_uinit,
+};
+
+static int fme_emif_init(struct feature *feature)
+{
+ UNUSED(feature);
+ return 0;
+}
+
+static void fme_emif_uinit(struct feature *feature)
+{
+ UNUSED(feature);
+}
+
+struct feature_ops fme_emif_ops = {
+ .init = fme_emif_init,
+ .uinit = fme_emif_uinit,
+};
@@ -8,18 +8,28 @@
#include "ifpga_defines.h"
#include "opae_ifpga_hw_api.h"
+/** List of private feateues */
+TAILQ_HEAD(ifpga_feature_list, feature);
+
enum ifpga_feature_state {
IFPGA_FEATURE_UNUSED = 0,
IFPGA_FEATURE_ATTACHED,
};
+enum feature_type {
+ FEATURE_FME_TYPE = 0,
+ FEATURE_PORT_TYPE,
+};
+
struct feature_irq_ctx {
int eventfd;
int idx;
};
struct feature {
+ TAILQ_ENTRY(feature)next;
enum ifpga_feature_state state;
+ enum feature_type type;
const char *name;
u64 id;
u8 *addr;
@@ -34,6 +44,8 @@ struct feature {
void *parent; /* to parent hw data structure */
struct feature_ops *ops;/* callback to this private feature */
+ unsigned int vec_start;
+ unsigned int vec_cnt;
};
struct feature_ops {
@@ -52,7 +64,7 @@ enum ifpga_fme_state {
struct ifpga_fme_hw {
enum ifpga_fme_state state;
- struct feature sub_feature[FME_FEATURE_ID_MAX];
+ struct ifpga_feature_list feature_list;
spinlock_t lock; /* protect hardware access */
void *parent; /* pointer to ifpga_hw */
@@ -78,7 +90,7 @@ enum ifpga_port_state {
struct ifpga_port_hw {
enum ifpga_port_state state;
- struct feature sub_feature[PORT_FEATURE_ID_MAX];
+ struct ifpga_feature_list feature_list;
spinlock_t lock; /* protect access to hw */
void *parent; /* pointer to ifpga_hw */
@@ -386,3 +386,24 @@ struct feature_ops ifpga_rawdev_port_uint_ops = {
.init = port_uint_init,
.uinit = port_uint_uinit,
};
+
+static int port_afu_init(struct feature *feature)
+{
+ UNUSED(feature);
+
+ dev_info(NULL, "PORT AFU Init.\n");
+
+ return 0;
+}
+
+static void port_afu_uinit(struct feature *feature)
+{
+ UNUSED(feature);
+
+ dev_info(NULL, "PORT AFU UInit.\n");
+}
+
+struct feature_ops ifpga_rawdev_port_afu_ops = {
+ .init = port_afu_init,
+ .uinit = port_afu_uinit,
+};