mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
synced 2025-01-17 05:45:20 +00:00
IB/hfi1: Move structure and MACRO definitions in user_sdma.c to user_sdma.h
Clean up user_sdma.c by moving the structure and MACRO definitions into the header file user_sdma.h Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Harish Chegondi <harish.chegondi@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
parent
637f4600a8
commit
32500f2763
@ -74,176 +74,8 @@ static uint hfi1_sdma_comp_ring_size = 128;
|
||||
module_param_named(sdma_comp_size, hfi1_sdma_comp_ring_size, uint, S_IRUGO);
|
||||
MODULE_PARM_DESC(sdma_comp_size, "Size of User SDMA completion ring. Default: 128");
|
||||
|
||||
/* The maximum number of Data io vectors per message/request */
|
||||
#define MAX_VECTORS_PER_REQ 8
|
||||
/*
|
||||
* Maximum number of packet to send from each message/request
|
||||
* before moving to the next one.
|
||||
*/
|
||||
#define MAX_PKTS_PER_QUEUE 16
|
||||
|
||||
#define num_pages(x) (1 + ((((x) - 1) & PAGE_MASK) >> PAGE_SHIFT))
|
||||
|
||||
#define req_opcode(x) \
|
||||
(((x) >> HFI1_SDMA_REQ_OPCODE_SHIFT) & HFI1_SDMA_REQ_OPCODE_MASK)
|
||||
#define req_version(x) \
|
||||
(((x) >> HFI1_SDMA_REQ_VERSION_SHIFT) & HFI1_SDMA_REQ_OPCODE_MASK)
|
||||
#define req_iovcnt(x) \
|
||||
(((x) >> HFI1_SDMA_REQ_IOVCNT_SHIFT) & HFI1_SDMA_REQ_IOVCNT_MASK)
|
||||
|
||||
/* Number of BTH.PSN bits used for sequence number in expected rcvs */
|
||||
#define BTH_SEQ_MASK 0x7ffull
|
||||
|
||||
#define AHG_KDETH_INTR_SHIFT 12
|
||||
#define AHG_KDETH_SH_SHIFT 13
|
||||
#define AHG_KDETH_ARRAY_SIZE 9
|
||||
|
||||
#define PBC2LRH(x) ((((x) & 0xfff) << 2) - 4)
|
||||
#define LRH2PBC(x) ((((x) >> 2) + 1) & 0xfff)
|
||||
|
||||
#define AHG_HEADER_SET(arr, idx, dw, bit, width, value) \
|
||||
do { \
|
||||
if ((idx) < ARRAY_SIZE((arr))) \
|
||||
(arr)[(idx++)] = sdma_build_ahg_descriptor( \
|
||||
(__force u16)(value), (dw), (bit), \
|
||||
(width)); \
|
||||
else \
|
||||
return -ERANGE; \
|
||||
} while (0)
|
||||
|
||||
/* Tx request flag bits */
|
||||
#define TXREQ_FLAGS_REQ_ACK BIT(0) /* Set the ACK bit in the header */
|
||||
#define TXREQ_FLAGS_REQ_DISABLE_SH BIT(1) /* Disable header suppression */
|
||||
|
||||
#define SDMA_PKT_Q_INACTIVE BIT(0)
|
||||
#define SDMA_PKT_Q_ACTIVE BIT(1)
|
||||
#define SDMA_PKT_Q_DEFERRED BIT(2)
|
||||
|
||||
/*
|
||||
* Maximum retry attempts to submit a TX request
|
||||
* before putting the process to sleep.
|
||||
*/
|
||||
#define MAX_DEFER_RETRY_COUNT 1
|
||||
|
||||
static unsigned initial_pkt_count = 8;
|
||||
|
||||
#define SDMA_IOWAIT_TIMEOUT 1000 /* in milliseconds */
|
||||
|
||||
struct sdma_mmu_node;
|
||||
|
||||
struct user_sdma_iovec {
|
||||
struct list_head list;
|
||||
struct iovec iov;
|
||||
/* number of pages in this vector */
|
||||
unsigned npages;
|
||||
/* array of pinned pages for this vector */
|
||||
struct page **pages;
|
||||
/*
|
||||
* offset into the virtual address space of the vector at
|
||||
* which we last left off.
|
||||
*/
|
||||
u64 offset;
|
||||
struct sdma_mmu_node *node;
|
||||
};
|
||||
|
||||
struct sdma_mmu_node {
|
||||
struct mmu_rb_node rb;
|
||||
struct hfi1_user_sdma_pkt_q *pq;
|
||||
atomic_t refcount;
|
||||
struct page **pages;
|
||||
unsigned npages;
|
||||
};
|
||||
|
||||
/* evict operation argument */
|
||||
struct evict_data {
|
||||
u32 cleared; /* count evicted so far */
|
||||
u32 target; /* target count to evict */
|
||||
};
|
||||
|
||||
struct user_sdma_request {
|
||||
/* This is the original header from user space */
|
||||
struct hfi1_pkt_header hdr;
|
||||
|
||||
/* Read mostly fields */
|
||||
struct hfi1_user_sdma_pkt_q *pq ____cacheline_aligned_in_smp;
|
||||
struct hfi1_user_sdma_comp_q *cq;
|
||||
/*
|
||||
* Pointer to the SDMA engine for this request.
|
||||
* Since different request could be on different VLs,
|
||||
* each request will need it's own engine pointer.
|
||||
*/
|
||||
struct sdma_engine *sde;
|
||||
struct sdma_req_info info;
|
||||
/* TID array values copied from the tid_iov vector */
|
||||
u32 *tids;
|
||||
/* total length of the data in the request */
|
||||
u32 data_len;
|
||||
/* number of elements copied to the tids array */
|
||||
u16 n_tids;
|
||||
/*
|
||||
* We copy the iovs for this request (based on
|
||||
* info.iovcnt). These are only the data vectors
|
||||
*/
|
||||
u8 data_iovs;
|
||||
s8 ahg_idx;
|
||||
|
||||
/* Writeable fields shared with interrupt */
|
||||
u64 seqcomp ____cacheline_aligned_in_smp;
|
||||
u64 seqsubmitted;
|
||||
/* status of the last txreq completed */
|
||||
int status;
|
||||
|
||||
/* Send side fields */
|
||||
struct list_head txps ____cacheline_aligned_in_smp;
|
||||
u64 seqnum;
|
||||
/*
|
||||
* KDETH.OFFSET (TID) field
|
||||
* The offset can cover multiple packets, depending on the
|
||||
* size of the TID entry.
|
||||
*/
|
||||
u32 tidoffset;
|
||||
/*
|
||||
* KDETH.Offset (Eager) field
|
||||
* We need to remember the initial value so the headers
|
||||
* can be updated properly.
|
||||
*/
|
||||
u32 koffset;
|
||||
u32 sent;
|
||||
/* TID index copied from the tid_iov vector */
|
||||
u16 tididx;
|
||||
/* progress index moving along the iovs array */
|
||||
u8 iov_idx;
|
||||
u8 done;
|
||||
u8 has_error;
|
||||
|
||||
struct user_sdma_iovec iovs[MAX_VECTORS_PER_REQ];
|
||||
} ____cacheline_aligned_in_smp;
|
||||
|
||||
/*
|
||||
* A single txreq could span up to 3 physical pages when the MTU
|
||||
* is sufficiently large (> 4K). Each of the IOV pointers also
|
||||
* needs it's own set of flags so the vector has been handled
|
||||
* independently of each other.
|
||||
*/
|
||||
struct user_sdma_txreq {
|
||||
/* Packet header for the txreq */
|
||||
struct hfi1_pkt_header hdr;
|
||||
struct sdma_txreq txreq;
|
||||
struct list_head list;
|
||||
struct user_sdma_request *req;
|
||||
u16 flags;
|
||||
unsigned busycount;
|
||||
u64 seqnum;
|
||||
};
|
||||
|
||||
#define SDMA_DBG(req, fmt, ...) \
|
||||
hfi1_cdbg(SDMA, "[%u:%u:%u:%u] " fmt, (req)->pq->dd->unit, \
|
||||
(req)->pq->ctxt, (req)->pq->subctxt, (req)->info.comp_idx, \
|
||||
##__VA_ARGS__)
|
||||
#define SDMA_Q_DBG(pq, fmt, ...) \
|
||||
hfi1_cdbg(SDMA, "[%u:%u:%u] " fmt, (pq)->dd->unit, (pq)->ctxt, \
|
||||
(pq)->subctxt, ##__VA_ARGS__)
|
||||
|
||||
static int user_sdma_send_pkts(struct user_sdma_request *req,
|
||||
unsigned maxpkts);
|
||||
static void user_sdma_txreq_cb(struct sdma_txreq *txreq, int status);
|
||||
|
@ -53,6 +53,67 @@
|
||||
#include "iowait.h"
|
||||
#include "user_exp_rcv.h"
|
||||
|
||||
/* The maximum number of Data io vectors per message/request */
|
||||
#define MAX_VECTORS_PER_REQ 8
|
||||
/*
|
||||
* Maximum number of packet to send from each message/request
|
||||
* before moving to the next one.
|
||||
*/
|
||||
#define MAX_PKTS_PER_QUEUE 16
|
||||
|
||||
#define num_pages(x) (1 + ((((x) - 1) & PAGE_MASK) >> PAGE_SHIFT))
|
||||
|
||||
#define req_opcode(x) \
|
||||
(((x) >> HFI1_SDMA_REQ_OPCODE_SHIFT) & HFI1_SDMA_REQ_OPCODE_MASK)
|
||||
#define req_version(x) \
|
||||
(((x) >> HFI1_SDMA_REQ_VERSION_SHIFT) & HFI1_SDMA_REQ_OPCODE_MASK)
|
||||
#define req_iovcnt(x) \
|
||||
(((x) >> HFI1_SDMA_REQ_IOVCNT_SHIFT) & HFI1_SDMA_REQ_IOVCNT_MASK)
|
||||
|
||||
/* Number of BTH.PSN bits used for sequence number in expected rcvs */
|
||||
#define BTH_SEQ_MASK 0x7ffull
|
||||
|
||||
#define AHG_KDETH_INTR_SHIFT 12
|
||||
#define AHG_KDETH_SH_SHIFT 13
|
||||
#define AHG_KDETH_ARRAY_SIZE 9
|
||||
|
||||
#define PBC2LRH(x) ((((x) & 0xfff) << 2) - 4)
|
||||
#define LRH2PBC(x) ((((x) >> 2) + 1) & 0xfff)
|
||||
|
||||
#define AHG_HEADER_SET(arr, idx, dw, bit, width, value) \
|
||||
do { \
|
||||
if ((idx) < ARRAY_SIZE((arr))) \
|
||||
(arr)[(idx++)] = sdma_build_ahg_descriptor( \
|
||||
(__force u16)(value), (dw), (bit), \
|
||||
(width)); \
|
||||
else \
|
||||
return -ERANGE; \
|
||||
} while (0)
|
||||
|
||||
/* Tx request flag bits */
|
||||
#define TXREQ_FLAGS_REQ_ACK BIT(0) /* Set the ACK bit in the header */
|
||||
#define TXREQ_FLAGS_REQ_DISABLE_SH BIT(1) /* Disable header suppression */
|
||||
|
||||
#define SDMA_PKT_Q_INACTIVE BIT(0)
|
||||
#define SDMA_PKT_Q_ACTIVE BIT(1)
|
||||
#define SDMA_PKT_Q_DEFERRED BIT(2)
|
||||
|
||||
/*
|
||||
* Maximum retry attempts to submit a TX request
|
||||
* before putting the process to sleep.
|
||||
*/
|
||||
#define MAX_DEFER_RETRY_COUNT 1
|
||||
|
||||
#define SDMA_IOWAIT_TIMEOUT 1000 /* in milliseconds */
|
||||
|
||||
#define SDMA_DBG(req, fmt, ...) \
|
||||
hfi1_cdbg(SDMA, "[%u:%u:%u:%u] " fmt, (req)->pq->dd->unit, \
|
||||
(req)->pq->ctxt, (req)->pq->subctxt, (req)->info.comp_idx, \
|
||||
##__VA_ARGS__)
|
||||
#define SDMA_Q_DBG(pq, fmt, ...) \
|
||||
hfi1_cdbg(SDMA, "[%u:%u:%u] " fmt, (pq)->dd->unit, (pq)->ctxt, \
|
||||
(pq)->subctxt, ##__VA_ARGS__)
|
||||
|
||||
extern uint extended_psn;
|
||||
|
||||
struct hfi1_user_sdma_pkt_q {
|
||||
@ -79,6 +140,111 @@ struct hfi1_user_sdma_comp_q {
|
||||
struct hfi1_sdma_comp_entry *comps;
|
||||
};
|
||||
|
||||
struct sdma_mmu_node {
|
||||
struct mmu_rb_node rb;
|
||||
struct hfi1_user_sdma_pkt_q *pq;
|
||||
atomic_t refcount;
|
||||
struct page **pages;
|
||||
unsigned int npages;
|
||||
};
|
||||
|
||||
struct user_sdma_iovec {
|
||||
struct list_head list;
|
||||
struct iovec iov;
|
||||
/* number of pages in this vector */
|
||||
unsigned int npages;
|
||||
/* array of pinned pages for this vector */
|
||||
struct page **pages;
|
||||
/*
|
||||
* offset into the virtual address space of the vector at
|
||||
* which we last left off.
|
||||
*/
|
||||
u64 offset;
|
||||
struct sdma_mmu_node *node;
|
||||
};
|
||||
|
||||
/* evict operation argument */
|
||||
struct evict_data {
|
||||
u32 cleared; /* count evicted so far */
|
||||
u32 target; /* target count to evict */
|
||||
};
|
||||
|
||||
struct user_sdma_request {
|
||||
/* This is the original header from user space */
|
||||
struct hfi1_pkt_header hdr;
|
||||
|
||||
/* Read mostly fields */
|
||||
struct hfi1_user_sdma_pkt_q *pq ____cacheline_aligned_in_smp;
|
||||
struct hfi1_user_sdma_comp_q *cq;
|
||||
/*
|
||||
* Pointer to the SDMA engine for this request.
|
||||
* Since different request could be on different VLs,
|
||||
* each request will need it's own engine pointer.
|
||||
*/
|
||||
struct sdma_engine *sde;
|
||||
struct sdma_req_info info;
|
||||
/* TID array values copied from the tid_iov vector */
|
||||
u32 *tids;
|
||||
/* total length of the data in the request */
|
||||
u32 data_len;
|
||||
/* number of elements copied to the tids array */
|
||||
u16 n_tids;
|
||||
/*
|
||||
* We copy the iovs for this request (based on
|
||||
* info.iovcnt). These are only the data vectors
|
||||
*/
|
||||
u8 data_iovs;
|
||||
s8 ahg_idx;
|
||||
|
||||
/* Writeable fields shared with interrupt */
|
||||
u64 seqcomp ____cacheline_aligned_in_smp;
|
||||
u64 seqsubmitted;
|
||||
/* status of the last txreq completed */
|
||||
int status;
|
||||
|
||||
/* Send side fields */
|
||||
struct list_head txps ____cacheline_aligned_in_smp;
|
||||
u64 seqnum;
|
||||
/*
|
||||
* KDETH.OFFSET (TID) field
|
||||
* The offset can cover multiple packets, depending on the
|
||||
* size of the TID entry.
|
||||
*/
|
||||
u32 tidoffset;
|
||||
/*
|
||||
* KDETH.Offset (Eager) field
|
||||
* We need to remember the initial value so the headers
|
||||
* can be updated properly.
|
||||
*/
|
||||
u32 koffset;
|
||||
u32 sent;
|
||||
/* TID index copied from the tid_iov vector */
|
||||
u16 tididx;
|
||||
/* progress index moving along the iovs array */
|
||||
u8 iov_idx;
|
||||
u8 done;
|
||||
u8 has_error;
|
||||
|
||||
struct user_sdma_iovec iovs[MAX_VECTORS_PER_REQ];
|
||||
} ____cacheline_aligned_in_smp;
|
||||
|
||||
/*
|
||||
* A single txreq could span up to 3 physical pages when the MTU
|
||||
* is sufficiently large (> 4K). Each of the IOV pointers also
|
||||
* needs it's own set of flags so the vector has been handled
|
||||
* independently of each other.
|
||||
*/
|
||||
struct user_sdma_txreq {
|
||||
/* Packet header for the txreq */
|
||||
struct hfi1_pkt_header hdr;
|
||||
struct sdma_txreq txreq;
|
||||
struct list_head list;
|
||||
struct user_sdma_request *req;
|
||||
u16 flags;
|
||||
unsigned int busycount;
|
||||
u64 seqnum;
|
||||
};
|
||||
|
||||
int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt,
|
||||
struct hfi1_filedata *fd);
|
||||
int hfi1_user_sdma_free_queues(struct hfi1_filedata *fd,
|
||||
|
Loading…
x
Reference in New Issue
Block a user