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powerpc/powernv: Rename PE# fields in struct pnv_phb 

This renames the fields related to PE number in "struct pnv_phb"
for better reflecting of their usages as Alexey suggested. No
logical changes introduced.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Gavin Shan 2016-05-03 15:41:24 +10:00 committed by Michael Ellerman
parent 13ce7598b6
commit 92b8f137b3
4 changed files with 33 additions and 33 deletions
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2
arch/powerpc/platforms/powernv/eeh-powernv.c
View File

@ -75,7 +75,7 @@ static int pnv_eeh_init(void)
* and P7IOC separately. So we should regard
* PE#0 as valid for PHB3 and P7IOC.
*/
if (phb->ioda.reserved_pe != 0)
if (phb->ioda.reserved_pe_idx != 0)
eeh_add_flag(EEH_VALID_PE_ZERO);
break;

58
arch/powerpc/platforms/powernv/pci-ioda.c
View File

@ -124,7 +124,7 @@ static inline bool pnv_pci_is_mem_pref_64(unsigned long flags)
static void pnv_ioda_reserve_pe(struct pnv_phb *phb, int pe_no)
{
if (!(pe_no >= 0 && pe_no < phb->ioda.total_pe)) {
if (!(pe_no >= 0 && pe_no < phb->ioda.total_pe_num)) {
pr_warn("%s: Invalid PE %d on PHB#%x\n",
__func__, pe_no, phb->hose->global_number);
return;
@ -144,8 +144,8 @@ static int pnv_ioda_alloc_pe(struct pnv_phb *phb)
do {
pe = find_next_zero_bit(phb->ioda.pe_alloc,
phb->ioda.total_pe, 0);
if (pe >= phb->ioda.total_pe)
phb->ioda.total_pe_num, 0);
if (pe >= phb->ioda.total_pe_num)
return IODA_INVALID_PE;
} while(test_and_set_bit(pe, phb->ioda.pe_alloc));
@ -199,13 +199,13 @@ static int pnv_ioda2_init_m64(struct pnv_phb *phb)
* expected to be 0 or last one of PE capabicity.
*/
r = &phb->hose->mem_resources[1];
if (phb->ioda.reserved_pe == 0)
if (phb->ioda.reserved_pe_idx == 0)
r->start += phb->ioda.m64_segsize;
else if (phb->ioda.reserved_pe == (phb->ioda.total_pe - 1))
else if (phb->ioda.reserved_pe_idx == (phb->ioda.total_pe_num - 1))
r->end -= phb->ioda.m64_segsize;
else
pr_warn(" Cannot strip M64 segment for reserved PE#%d\n",
phb->ioda.reserved_pe);
phb->ioda.reserved_pe_idx);
return 0;
@ -274,7 +274,7 @@ static int pnv_ioda2_pick_m64_pe(struct pci_bus *bus, bool all)
return IODA_INVALID_PE;
/* Allocate bitmap */
size = _ALIGN_UP(phb->ioda.total_pe / 8, sizeof(unsigned long));
size = _ALIGN_UP(phb->ioda.total_pe_num / 8, sizeof(unsigned long));
pe_alloc = kzalloc(size, GFP_KERNEL);
if (!pe_alloc) {
pr_warn("%s: Out of memory !\n",
@ -290,7 +290,7 @@ static int pnv_ioda2_pick_m64_pe(struct pci_bus *bus, bool all)
* contributed by its child buses. For the case, we needn't
* pick M64 dependent PE#.
*/
if (bitmap_empty(pe_alloc, phb->ioda.total_pe)) {
if (bitmap_empty(pe_alloc, phb->ioda.total_pe_num)) {
kfree(pe_alloc);
return IODA_INVALID_PE;
}
@ -301,8 +301,8 @@ static int pnv_ioda2_pick_m64_pe(struct pci_bus *bus, bool all)
*/
master_pe = NULL;
i = -1;
while ((i = find_next_bit(pe_alloc, phb->ioda.total_pe, i + 1)) <
phb->ioda.total_pe) {
while ((i = find_next_bit(pe_alloc, phb->ioda.total_pe_num, i + 1)) <
phb->ioda.total_pe_num) {
pe = &phb->ioda.pe_array[i];
if (!master_pe) {
@ -355,7 +355,7 @@ static void __init pnv_ioda_parse_m64_window(struct pnv_phb *phb)
hose->mem_offset[1] = res->start - pci_addr;
phb->ioda.m64_size = resource_size(res);
phb->ioda.m64_segsize = phb->ioda.m64_size / phb->ioda.total_pe;
phb->ioda.m64_segsize = phb->ioda.m64_size / phb->ioda.total_pe_num;
phb->ioda.m64_base = pci_addr;
pr_info(" MEM64 0x%016llx..0x%016llx -> 0x%016llx\n",
@ -456,7 +456,7 @@ static int pnv_ioda_get_pe_state(struct pnv_phb *phb, int pe_no)
s64 rc;
/* Sanity check on PE number */
if (pe_no < 0 || pe_no >= phb->ioda.total_pe)
if (pe_no < 0 || pe_no >= phb->ioda.total_pe_num)
return OPAL_EEH_STOPPED_PERM_UNAVAIL;
/*
@ -1088,7 +1088,7 @@ static struct pnv_ioda_pe *pnv_ioda_setup_npu_PE(struct pci_dev *npu_pdev)
* same GPU get assigned the same PE.
*/
gpu_pdev = pnv_pci_get_gpu_dev(npu_pdev);
for (pe_num = 0; pe_num < phb->ioda.total_pe; pe_num++) {
for (pe_num = 0; pe_num < phb->ioda.total_pe_num; pe_num++) {
pe = &phb->ioda.pe_array[pe_num];
if (!pe->pdev)
continue;
@ -1537,9 +1537,9 @@ int pnv_pci_sriov_enable(struct pci_dev *pdev, u16 num_vfs)
} else {
mutex_lock(&phb->ioda.pe_alloc_mutex);
*pdn->pe_num_map = bitmap_find_next_zero_area(
phb->ioda.pe_alloc, phb->ioda.total_pe,
phb->ioda.pe_alloc, phb->ioda.total_pe_num,
0, num_vfs, 0);
if (*pdn->pe_num_map >= phb->ioda.total_pe) {
if (*pdn->pe_num_map >= phb->ioda.total_pe_num) {
mutex_unlock(&phb->ioda.pe_alloc_mutex);
dev_info(&pdev->dev, "Failed to enable VF%d\n", num_vfs);
kfree(pdn->pe_num_map);
@ -2858,7 +2858,7 @@ static void pnv_pci_ioda_fixup_iov_resources(struct pci_dev *pdev)
pdn->m64_single_mode = false;
total_vfs = pci_sriov_get_totalvfs(pdev);
mul = phb->ioda.total_pe;
mul = phb->ioda.total_pe_num;
total_vf_bar_sz = 0;
for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
@ -2960,7 +2960,7 @@ static void pnv_ioda_setup_pe_seg(struct pci_controller *hose,
region.end = res->end - phb->ioda.io_pci_base;
index = region.start / phb->ioda.io_segsize;
while (index < phb->ioda.total_pe &&
while (index < phb->ioda.total_pe_num &&
region.start <= region.end) {
phb->ioda.io_segmap[index] = pe->pe_number;
rc = opal_pci_map_pe_mmio_window(phb->opal_id,
@ -2985,7 +2985,7 @@ static void pnv_ioda_setup_pe_seg(struct pci_controller *hose,
phb->ioda.m32_pci_base;
index = region.start / phb->ioda.m32_segsize;
while (index < phb->ioda.total_pe &&
while (index < phb->ioda.total_pe_num &&
region.start <= region.end) {
phb->ioda.m32_segmap[index] = pe->pe_number;
rc = opal_pci_map_pe_mmio_window(phb->opal_id,
@ -3300,13 +3300,13 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
pr_err(" Failed to map registers !\n");
/* Initialize more IODA stuff */
phb->ioda.total_pe = 1;
phb->ioda.total_pe_num = 1;
prop32 = of_get_property(np, "ibm,opal-num-pes", NULL);
if (prop32)
phb->ioda.total_pe = be32_to_cpup(prop32);
phb->ioda.total_pe_num = be32_to_cpup(prop32);
prop32 = of_get_property(np, "ibm,opal-reserved-pe", NULL);
if (prop32)
phb->ioda.reserved_pe = be32_to_cpup(prop32);
phb->ioda.reserved_pe_idx = be32_to_cpup(prop32);
/* Parse 64-bit MMIO range */
pnv_ioda_parse_m64_window(phb);
@ -3315,29 +3315,29 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
/* FW Has already off top 64k of M32 space (MSI space) */
phb->ioda.m32_size += 0x10000;
phb->ioda.m32_segsize = phb->ioda.m32_size / phb->ioda.total_pe;
phb->ioda.m32_segsize = phb->ioda.m32_size / phb->ioda.total_pe_num;
phb->ioda.m32_pci_base = hose->mem_resources[0].start - hose->mem_offset[0];
phb->ioda.io_size = hose->pci_io_size;
phb->ioda.io_segsize = phb->ioda.io_size / phb->ioda.total_pe;
phb->ioda.io_segsize = phb->ioda.io_size / phb->ioda.total_pe_num;
phb->ioda.io_pci_base = 0; /* XXX calculate this ? */
/* Allocate aux data & arrays. We don't have IO ports on PHB3 */
size = _ALIGN_UP(phb->ioda.total_pe / 8, sizeof(unsigned long));
size = _ALIGN_UP(phb->ioda.total_pe_num / 8, sizeof(unsigned long));
m32map_off = size;
size += phb->ioda.total_pe * sizeof(phb->ioda.m32_segmap[0]);
size += phb->ioda.total_pe_num * sizeof(phb->ioda.m32_segmap[0]);
if (phb->type == PNV_PHB_IODA1) {
iomap_off = size;
size += phb->ioda.total_pe * sizeof(phb->ioda.io_segmap[0]);
size += phb->ioda.total_pe_num * sizeof(phb->ioda.io_segmap[0]);
}
pemap_off = size;
size += phb->ioda.total_pe * sizeof(struct pnv_ioda_pe);
size += phb->ioda.total_pe_num * sizeof(struct pnv_ioda_pe);
aux = memblock_virt_alloc(size, 0);
phb->ioda.pe_alloc = aux;
phb->ioda.m32_segmap = aux + m32map_off;
if (phb->type == PNV_PHB_IODA1)
phb->ioda.io_segmap = aux + iomap_off;
phb->ioda.pe_array = aux + pemap_off;
set_bit(phb->ioda.reserved_pe, phb->ioda.pe_alloc);
set_bit(phb->ioda.reserved_pe_idx, phb->ioda.pe_alloc);
INIT_LIST_HEAD(&phb->ioda.pe_dma_list);
INIT_LIST_HEAD(&phb->ioda.pe_list);
@ -3356,7 +3356,7 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
#endif
pr_info(" %03d (%03d) PE's M32: 0x%x [segment=0x%x]\n",
phb->ioda.total_pe, phb->ioda.reserved_pe,
phb->ioda.total_pe_num, phb->ioda.reserved_pe_idx,
phb->ioda.m32_size, phb->ioda.m32_segsize);
if (phb->ioda.m64_size)
pr_info(" M64: 0x%lx [segment=0x%lx]\n",

2
arch/powerpc/platforms/powernv/pci.c
View File

@ -377,7 +377,7 @@ static void pnv_pci_config_check_eeh(struct pci_dn *pdn)
*/
pe_no = pdn->pe_number;
if (pe_no == IODA_INVALID_PE) {
pe_no = phb->ioda.reserved_pe;
pe_no = phb->ioda.reserved_pe_idx;
}
/*

4
arch/powerpc/platforms/powernv/pci.h
View File

@ -120,8 +120,8 @@ struct pnv_phb {
struct {
/* Global bridge info */
unsigned int total_pe;
unsigned int reserved_pe;
unsigned int total_pe_num;
unsigned int reserved_pe_idx;
/* 32-bit MMIO window */
unsigned int m32_size;