void *rcvhdrq;
/* kernel virtual address where hdrqtail is updated */
volatile __le64 *rcvhdrtail_kvaddr;
- /*
- * Shared page for kernel to signal user processes that send buffers
- * need disarming. The process should call HFI1_CMD_DISARM_BUFS
- * or HFI1_CMD_ACK_EVENT with IPATH_EVENT_DISARM_BUFS set.
- */
- unsigned long *user_event_mask;
/* when waiting for rcv or pioavail */
wait_queue_head_t wait;
/* rcvhdrq size (for freeing) */
* (ignoring forks, dup, etc. for now)
*/
int cnt;
+ /* Device context index */
+ unsigned ctxt;
/*
- * how much space to leave at start of eager TID entries for
- * protocol use, on each TID
+ * non-zero if ctxt can be shared, and defines the maximum number of
+ * sub-contexts for this device context.
*/
- /* instead of calculating it */
- unsigned ctxt;
- /* non-zero if ctxt is being shared. */
u16 subctxt_cnt;
/* non-zero if ctxt is being shared. */
u16 subctxt_id;
void *subctxt_rcvegrbuf;
/* An array of pages for the eager header queue entries * N */
void *subctxt_rcvhdr_base;
+ /* Bitmask of in use context(s) */
+ DECLARE_BITMAP(in_use_ctxts, HFI1_MAX_SHARED_CTXTS);
/* The version of the library which opened this ctxt */
u32 userversion;
- /* Bitmask of active slaves */
- u32 active_slaves;
/* Type of packets or conditions we want to poll for */
u16 poll_type;
/* receive packet sequence counter */
/* Private data for file operations */
struct hfi1_filedata {
+ struct hfi1_devdata *dd;
struct hfi1_ctxtdata *uctxt;
- unsigned subctxt;
struct hfi1_user_sdma_comp_q *cq;
struct hfi1_user_sdma_pkt_q *pq;
+ u16 subctxt;
/* for cpu affinity; -1 if none */
int rec_cpu_num;
u32 tid_n_pinned;
extern u32 hfi1_cpulist_count;
extern unsigned long *hfi1_cpulist;
-int hfi1_init(struct hfi1_devdata *, int);
-int hfi1_count_units(int *npresentp, int *nupp);
+int hfi1_init(struct hfi1_devdata *dd, int reinit);
int hfi1_count_active_units(void);
-int hfi1_diag_add(struct hfi1_devdata *);
-void hfi1_diag_remove(struct hfi1_devdata *);
+int hfi1_diag_add(struct hfi1_devdata *dd);
+void hfi1_diag_remove(struct hfi1_devdata *dd);
void handle_linkup_change(struct hfi1_devdata *dd, u32 linkup);
void handle_user_interrupt(struct hfi1_ctxtdata *rcd);
-int hfi1_create_rcvhdrq(struct hfi1_devdata *, struct hfi1_ctxtdata *);
-int hfi1_setup_eagerbufs(struct hfi1_ctxtdata *);
+int hfi1_create_rcvhdrq(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd);
+int hfi1_setup_eagerbufs(struct hfi1_ctxtdata *rcd);
int hfi1_create_ctxts(struct hfi1_devdata *dd);
-struct hfi1_ctxtdata *hfi1_create_ctxtdata(struct hfi1_pportdata *, u32, int);
-void hfi1_init_pportdata(struct pci_dev *, struct hfi1_pportdata *,
- struct hfi1_devdata *, u8, u8);
-void hfi1_free_ctxtdata(struct hfi1_devdata *, struct hfi1_ctxtdata *);
-
-int handle_receive_interrupt(struct hfi1_ctxtdata *, int);
-int handle_receive_interrupt_nodma_rtail(struct hfi1_ctxtdata *, int);
-int handle_receive_interrupt_dma_rtail(struct hfi1_ctxtdata *, int);
+struct hfi1_ctxtdata *hfi1_create_ctxtdata(struct hfi1_pportdata *ppd, u32 ctxt,
+ int numa);
+void hfi1_init_pportdata(struct pci_dev *pdev, struct hfi1_pportdata *ppd,
+ struct hfi1_devdata *dd, u8 hw_pidx, u8 port);
+void hfi1_free_ctxtdata(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd);
+
+int handle_receive_interrupt(struct hfi1_ctxtdata *rcd, int thread);
+int handle_receive_interrupt_nodma_rtail(struct hfi1_ctxtdata *rcd, int thread);
+int handle_receive_interrupt_dma_rtail(struct hfi1_ctxtdata *rcd, int thread);
void set_all_slowpath(struct hfi1_devdata *dd);
void hfi1_vnic_synchronize_irq(struct hfi1_devdata *dd);
void hfi1_set_vnic_msix_info(struct hfi1_ctxtdata *rcd);
u32 lrh_max_header_bytes(struct hfi1_devdata *dd);
int mtu_to_enum(u32 mtu, int default_if_bad);
-u16 enum_to_mtu(int);
+u16 enum_to_mtu(int mtu);
static inline int valid_ib_mtu(unsigned int mtu)
{
return mtu == 256 || mtu == 512 ||
(valid_ib_mtu(mtu) || mtu == 8192 || mtu == 10240);
}
-int set_mtu(struct hfi1_pportdata *);
+int set_mtu(struct hfi1_pportdata *ppd);
-int hfi1_set_lid(struct hfi1_pportdata *, u32, u8);
-void hfi1_disable_after_error(struct hfi1_devdata *);
-int hfi1_set_uevent_bits(struct hfi1_pportdata *, const int);
-int hfi1_rcvbuf_validate(u32, u8, u16 *);
+int hfi1_set_lid(struct hfi1_pportdata *ppd, u32 lid, u8 lmc);
+void hfi1_disable_after_error(struct hfi1_devdata *dd);
+int hfi1_set_uevent_bits(struct hfi1_pportdata *ppd, const int evtbit);
+int hfi1_rcvbuf_validate(u32 size, u8 type, u16 *encode);
-int fm_get_table(struct hfi1_pportdata *, int, void *);
-int fm_set_table(struct hfi1_pportdata *, int, void *);
+int fm_get_table(struct hfi1_pportdata *ppd, int which, void *t);
+int fm_set_table(struct hfi1_pportdata *ppd, int which, void *t);
void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf);
void reset_link_credits(struct hfi1_devdata *dd);
#define HFI1_PBC_LENGTH_MASK ((1 << 11) - 1)
/* ctxt_flag bit offsets */
- /* context has been setup */
-#define HFI1_CTXT_SETUP_DONE 1
+ /* base context has not finished initializing */
+#define HFI1_CTXT_BASE_UNINIT 1
+ /* base context initaliation failed */
+#define HFI1_CTXT_BASE_FAILED 2
/* waiting for a packet to arrive */
-#define HFI1_CTXT_WAITING_RCV 2
- /* master has not finished initializing */
-#define HFI1_CTXT_MASTER_UNINIT 4
+#define HFI1_CTXT_WAITING_RCV 3
/* waiting for an urgent packet to arrive */
-#define HFI1_CTXT_WAITING_URG 5
+#define HFI1_CTXT_WAITING_URG 4
/* free up any allocated data at closes */
-struct hfi1_devdata *hfi1_init_dd(struct pci_dev *,
- const struct pci_device_id *);
-void hfi1_free_devdata(struct hfi1_devdata *);
+struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev,
+ const struct pci_device_id *ent);
+void hfi1_free_devdata(struct hfi1_devdata *dd);
struct hfi1_devdata *hfi1_alloc_devdata(struct pci_dev *pdev, size_t extra);
/* LED beaconing functions */
extern const char ib_hfi1_version[];
-int hfi1_device_create(struct hfi1_devdata *);
-void hfi1_device_remove(struct hfi1_devdata *);
+int hfi1_device_create(struct hfi1_devdata *dd);
+void hfi1_device_remove(struct hfi1_devdata *dd);
int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num,
struct kobject *kobj);
-int hfi1_verbs_register_sysfs(struct hfi1_devdata *);
-void hfi1_verbs_unregister_sysfs(struct hfi1_devdata *);
+int hfi1_verbs_register_sysfs(struct hfi1_devdata *dd);
+void hfi1_verbs_unregister_sysfs(struct hfi1_devdata *dd);
/* Hook for sysfs read of QSFP */
int qsfp_dump(struct hfi1_pportdata *ppd, char *buf, int len);
-int hfi1_pcie_init(struct pci_dev *, const struct pci_device_id *);
-void hfi1_pcie_cleanup(struct pci_dev *);
-int hfi1_pcie_ddinit(struct hfi1_devdata *, struct pci_dev *);
+int hfi1_pcie_init(struct pci_dev *pdev, const struct pci_device_id *ent);
+void hfi1_pcie_cleanup(struct pci_dev *pdev);
+int hfi1_pcie_ddinit(struct hfi1_devdata *dd, struct pci_dev *pdev);
void hfi1_pcie_ddcleanup(struct hfi1_devdata *);
-void hfi1_pcie_flr(struct hfi1_devdata *);
-int pcie_speeds(struct hfi1_devdata *);
-void request_msix(struct hfi1_devdata *, u32 *, struct hfi1_msix_entry *);
-void hfi1_enable_intx(struct pci_dev *);
+int pcie_speeds(struct hfi1_devdata *dd);
+void request_msix(struct hfi1_devdata *dd, u32 *nent,
+ struct hfi1_msix_entry *entry);
+void hfi1_enable_intx(struct pci_dev *pdev);
void restore_pci_variables(struct hfi1_devdata *dd);
int do_pcie_gen3_transition(struct hfi1_devdata *dd);
int parse_platform_config(struct hfi1_devdata *dd);