Merge branches 'release' and 'hp-cid' into release

[linux-2.6] / drivers / infiniband / hw / ipath / ipath_file_ops.c

diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index e7fbb31a48a03643a1f1b09186b319d32a399279..7e025c8e01b6d9d1efe6bc0e787061159b1b1380 100644 (file)
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -169,7 +169,7 @@ static int ipath_get_base_info(struct file *fp,
                kinfo->spi_piocnt = dd->ipath_pbufsport;
                kinfo->spi_piobufbase = (u64) pd->port_piobufs;
                kinfo->__spi_uregbase = (u64) dd->ipath_uregbase +
-                       dd->ipath_palign * pd->port_port;
+                       dd->ipath_ureg_align * pd->port_port;
        } else if (master) {
                kinfo->spi_piocnt = (dd->ipath_pbufsport / subport_cnt) +
                                    (dd->ipath_pbufsport % subport_cnt);
@@ -186,7 +186,7 @@ static int ipath_get_base_info(struct file *fp,
        }
        if (shared) {
                kinfo->spi_port_uregbase = (u64) dd->ipath_uregbase +
-                       dd->ipath_palign * pd->port_port;
+                       dd->ipath_ureg_align * pd->port_port;
                kinfo->spi_port_rcvegrbuf = kinfo->spi_rcv_egrbufs;
                kinfo->spi_port_rcvhdr_base = kinfo->spi_rcvhdr_base;
                kinfo->spi_port_rcvhdr_tailaddr = kinfo->spi_rcvhdr_tailaddr;
@@ -742,11 +742,12 @@ static int ipath_manage_rcvq(struct ipath_portdata *pd, unsigned subport,
                 * updated and correct itself, even in the face of software
                 * bugs.
                 */
-               *(volatile u64 *)pd->port_rcvhdrtail_kvaddr = 0;
-               set_bit(INFINIPATH_R_PORTENABLE_SHIFT + pd->port_port,
+               if (pd->port_rcvhdrtail_kvaddr)
+                       ipath_clear_rcvhdrtail(pd);
+               set_bit(dd->ipath_r_portenable_shift + pd->port_port,
                        &dd->ipath_rcvctrl);
        } else
-               clear_bit(INFINIPATH_R_PORTENABLE_SHIFT + pd->port_port,
+               clear_bit(dd->ipath_r_portenable_shift + pd->port_port,
                          &dd->ipath_rcvctrl);
        ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
                         dd->ipath_rcvctrl);
@@ -881,7 +882,7 @@ static int ipath_create_user_egr(struct ipath_portdata *pd)
 
        egrcnt = dd->ipath_rcvegrcnt;
        /* TID number offset for this port */
-       egroff = pd->port_port * egrcnt;
+       egroff = (pd->port_port - 1) * egrcnt + dd->ipath_p0_rcvegrcnt;
        egrsize = dd->ipath_rcvegrbufsize;
        ipath_cdbg(VERBOSE, "Allocating %d egr buffers, at egrtid "
                   "offset %x, egrsize %u\n", egrcnt, egroff, egrsize);
@@ -1049,11 +1050,6 @@ static int mmap_piobufs(struct vm_area_struct *vma,
 
        phys = dd->ipath_physaddr + piobufs;
 
-       /*
-        * Don't mark this as non-cached, or we don't get the
-        * write combining behavior we want on the PIO buffers!
-        */
-
 #if defined(__powerpc__)
        /* There isn't a generic way to specify writethrough mappings */
        pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE;
@@ -1275,7 +1271,7 @@ static int ipath_mmap(struct file *fp, struct vm_area_struct *vma)
                goto bail;
        }
 
-       ureg = dd->ipath_uregbase + dd->ipath_palign * pd->port_port;
+       ureg = dd->ipath_uregbase + dd->ipath_ureg_align * pd->port_port;
        if (!pd->port_subport_cnt) {
                /* port is not shared */
                piocnt = dd->ipath_pbufsport;
@@ -1391,7 +1387,10 @@ static unsigned int ipath_poll_next(struct ipath_portdata *pd,
        pollflag = ipath_poll_hdrqfull(pd);
 
        head = ipath_read_ureg32(dd, ur_rcvhdrhead, pd->port_port);
-       tail = *(volatile u64 *)pd->port_rcvhdrtail_kvaddr;
+       if (pd->port_rcvhdrtail_kvaddr)
+               tail = ipath_get_rcvhdrtail(pd);
+       else
+               tail = ipath_read_ureg32(dd, ur_rcvhdrtail, pd->port_port);
 
        if (head != tail)
                pollflag |= POLLIN | POLLRDNORM;
@@ -1401,7 +1400,7 @@ static unsigned int ipath_poll_next(struct ipath_portdata *pd,
                /* flush waiting flag so we don't miss an event */
                wmb();
 
-               set_bit(pd->port_port + INFINIPATH_R_INTRAVAIL_SHIFT,
+               set_bit(pd->port_port + dd->ipath_r_intravail_shift,
                        &dd->ipath_rcvctrl);
 
                ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
@@ -1781,6 +1780,7 @@ static int find_shared_port(struct file *fp,
                        }
                        port_fp(fp) = pd;
                        subport_fp(fp) = pd->port_cnt++;
+                       pd->port_subpid[subport_fp(fp)] = current->pid;
                        tidcursor_fp(fp) = 0;
                        pd->active_slaves |= 1 << subport_fp(fp);
                        ipath_cdbg(PROC,
@@ -1911,8 +1911,7 @@ static int ipath_do_user_init(struct file *fp,
         */
        head32 = ipath_read_ureg32(dd, ur_rcvegrindextail, pd->port_port);
        ipath_write_ureg(dd, ur_rcvegrindexhead, head32, pd->port_port);
-       dd->ipath_lastegrheads[pd->port_port] = -1;
-       dd->ipath_lastrcvhdrqtails[pd->port_port] = -1;
+       pd->port_lastrcvhdrqtail = -1;
        ipath_cdbg(VERBOSE, "Wrote port%d egrhead %x from tail regs\n",
                pd->port_port, head32);
        pd->port_tidcursor = 0; /* start at beginning after open */
@@ -1932,11 +1931,13 @@ static int ipath_do_user_init(struct file *fp,
         * We explictly set the in-memory copy to 0 beforehand, so we don't
         * have to wait to be sure the DMA update has happened.
         */
-       *(volatile u64 *)pd->port_rcvhdrtail_kvaddr = 0ULL;
-       set_bit(INFINIPATH_R_PORTENABLE_SHIFT + pd->port_port,
+       if (pd->port_rcvhdrtail_kvaddr)
+               ipath_clear_rcvhdrtail(pd);
+       set_bit(dd->ipath_r_portenable_shift + pd->port_port,
                &dd->ipath_rcvctrl);
        ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
-                        dd->ipath_rcvctrl & ~INFINIPATH_R_TAILUPD);
+                       dd->ipath_rcvctrl &
+                       ~(1ULL << dd->ipath_r_tailupd_shift));
        ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
                         dd->ipath_rcvctrl);
        /* Notify any waiting slaves */
@@ -2013,6 +2014,7 @@ static int ipath_close(struct inode *in, struct file *fp)
                 * the slave(s) don't wait for receive data forever.
                 */
                pd->active_slaves &= ~(1 << fd->subport);
+               pd->port_subpid[fd->subport] = 0;
                mutex_unlock(&ipath_mutex);
                goto bail;
        }
@@ -2045,9 +2047,9 @@ static int ipath_close(struct inode *in, struct file *fp)
        if (dd->ipath_kregbase) {
                int i;
                /* atomically clear receive enable port and intr avail. */
-               clear_bit(INFINIPATH_R_PORTENABLE_SHIFT + port,
+               clear_bit(dd->ipath_r_portenable_shift + port,
                          &dd->ipath_rcvctrl);
-               clear_bit(pd->port_port + INFINIPATH_R_INTRAVAIL_SHIFT,
+               clear_bit(pd->port_port + dd->ipath_r_intravail_shift,
                          &dd->ipath_rcvctrl);
                ipath_write_kreg( dd, dd->ipath_kregs->kr_rcvctrl,
                        dd->ipath_rcvctrl);
@@ -2222,6 +2224,11 @@ static ssize_t ipath_write(struct file *fp, const char __user *data,
                dest = &cmd.cmd.poll_type;
                src = &ucmd->cmd.poll_type;
                break;
+       case IPATH_CMD_ARMLAUNCH_CTRL:
+               copy = sizeof(cmd.cmd.armlaunch_ctrl);
+               dest = &cmd.cmd.armlaunch_ctrl;
+               src = &ucmd->cmd.armlaunch_ctrl;
+               break;
        default:
                ret = -EINVAL;
                goto bail;
@@ -2297,6 +2304,12 @@ static ssize_t ipath_write(struct file *fp, const char __user *data,
        case IPATH_CMD_POLL_TYPE:
                pd->poll_type = cmd.cmd.poll_type;
                break;
+       case IPATH_CMD_ARMLAUNCH_CTRL:
+               if (cmd.cmd.armlaunch_ctrl)
+                       ipath_enable_armlaunch(pd->port_dd);
+               else
+                       ipath_disable_armlaunch(pd->port_dd);
+               break;
        }
 
        if (ret >= 0)