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HFI1: map piobase and rcvarray_wc

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This commit is contained in:
Balazs Gerofi
2017-08-08 10:26:32 +09:00
parent 7005110697
commit 7d2e2f93b0
1 changed files with 45 additions and 3 deletions
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48
kernel/user_sdma.c
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@ -522,6 +522,8 @@ static u8 dlid_to_selector(u16 dlid)
/* hfi1/chip_registers.h */ /* hfi1/chip_registers.h */
#define CORE 0x000000000000 #define CORE 0x000000000000
#define TXE (CORE + 0x000001800000) #define TXE (CORE + 0x000001800000)
#define RXE (CORE + 0x000001000000)
#define RCV_ARRAY (RXE + 0x000000200000)
/* hfi1/chip.h */ /* hfi1/chip.h */
#define TXE_PIO_SEND (TXE + TXE_PIO_SEND_OFFSET) #define TXE_PIO_SEND (TXE + TXE_PIO_SEND_OFFSET)
#define TXE_PIO_SEND_OFFSET 0x0800000 #define TXE_PIO_SEND_OFFSET 0x0800000
@ -529,6 +531,8 @@ static u8 dlid_to_selector(u16 dlid)
/* HFI1 device address in McKernel */ /* HFI1 device address in McKernel */
uint64_t hfi1_kregbase = 0; uint64_t hfi1_kregbase = 0;
uint64_t hfi1_piobase = 0;
uint64_t hfi1_rcvarray_wc = 0;
#endif #endif
#ifdef __HFI1_ORIG__ #ifdef __HFI1_ORIG__
@ -561,9 +565,11 @@ int hfi1_user_sdma_process_request(void *private_data, struct iovec *iovec,
if (!hfi1_kregbase) { if (!hfi1_kregbase) {
enum ihk_mc_pt_attribute attr = PTATTR_UNCACHABLE | PTATTR_WRITABLE; enum ihk_mc_pt_attribute attr = PTATTR_UNCACHABLE | PTATTR_WRITABLE;
void *virt; void *virt;
#if 0 #if 1
unsigned long phys = dd->physaddr; unsigned long phys = dd->physaddr;
hfi1_kregbase = dd->kregbase; hfi1_kregbase = dd->kregbase;
hfi1_piobase = dd->piobase;
hfi1_rcvarray_wc = dd->rcvarray_wc;
#else #else
unsigned long phys = *(uint64_t *)(((void *)dd) + 0xbf8); unsigned long phys = *(uint64_t *)(((void *)dd) + 0xbf8);
hfi1_kregbase = *(uint64_t *)(((void *)dd) + 0xbe8); hfi1_kregbase = *(uint64_t *)(((void *)dd) + 0xbe8);
@ -583,9 +589,45 @@ int hfi1_user_sdma_process_request(void *private_data, struct iovec *iovec,
} }
} }
kprintf("%s: hfi1_kregbase: 0x%lx -> 0x%lx:%lu\n", kprintf("%s: hfi1_kregbase: 0x%lx - 0x%lx -> 0x%lx:%lu\n",
__FUNCTION__, __FUNCTION__,
hfi1_kregbase, (phys - TXE_PIO_SEND), TXE_PIO_SEND); hfi1_kregbase,
hfi1_kregbase + TXE_PIO_SEND,
(phys - TXE_PIO_SEND), TXE_PIO_SEND);
phys = dd->physaddr + TXE_PIO_SEND;
attr = PTATTR_WRITE_COMBINED | PTATTR_WRITABLE;
for (virt = hfi1_piobase; virt < (hfi1_piobase + TXE_PIO_SIZE);
virt += PAGE_SIZE, phys += PAGE_SIZE) {
if (ihk_mc_pt_set_page(NULL, virt, phys, attr) < 0) {
kprintf("%s: ERROR: mapping piobase: 0x%lx -> 0x%lx\n",
__FUNCTION__, virt, phys);
}
}
kprintf("%s: hfi1_piobase: 0x%lx - 0x%lx -> 0x%lx:%lu\n",
__FUNCTION__,
hfi1_piobase,
hfi1_piobase + TXE_PIO_SIZE,
(phys - TXE_PIO_SIZE), TXE_PIO_SIZE);
phys = dd->physaddr + RCV_ARRAY;
attr = PTATTR_WRITE_COMBINED | PTATTR_WRITABLE;
for (virt = hfi1_rcvarray_wc;
virt < (hfi1_rcvarray_wc + dd->chip_rcv_array_count * 8);
virt += PAGE_SIZE, phys += PAGE_SIZE) {
if (ihk_mc_pt_set_page(NULL, virt, phys, attr) < 0) {
kprintf("%s: ERROR: mapping rcvarray_wc: 0x%lx -> 0x%lx\n",
__FUNCTION__, virt, phys);
}
}
kprintf("%s: hfi1_rcvarray_wc: 0x%lx - 0x%lx -> 0x%lx:%lu\n",
__FUNCTION__,
hfi1_rcvarray_wc,
hfi1_rcvarray_wc + dd->chip_rcv_array_count * 8,
(phys - dd->chip_rcv_array_count * 8),
dd->chip_rcv_array_count * 8);
} }
#endif // __HFI1_ORIG__ #endif // __HFI1_ORIG__